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	<title>胃 | 小学生でもわかる.com</title>
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		<title>小学生でもわかる！「胃（い）のふしぎ」</title>
		<link>https://xn--u8jvc1drbs3196d17at04j.com/health/stomach-mysteries</link>
					<comments>https://xn--u8jvc1drbs3196d17at04j.com/health/stomach-mysteries#respond</comments>
		
		<dc:creator><![CDATA[shogakucom]]></dc:creator>
		<pubDate>Tue, 25 Aug 2026 02:49:00 +0000</pubDate>
				<category><![CDATA[健康・からだ]]></category>
		<category><![CDATA[からだの仕組み]]></category>
		<category><![CDATA[健康]]></category>
		<category><![CDATA[消化]]></category>
		<category><![CDATA[胃]]></category>
		<guid isPermaLink="false">https://xn--u8jvc1drbs3196d17at04j.com/?p=3797</guid>

					<description><![CDATA[美味しいごはんを食べたあと、お腹の中で大活躍する「胃」。食べ物をドロドロに溶かす仕組みや、自分の胃が溶けない理由、お腹がグーッと鳴るひみつを小学生向けにわかりやすく解説します！]]></description>
										<content:encoded><![CDATA[
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  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-1" checked><label class="toc-title" for="toc-checkbox-1">もくじ</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">はじめに</a></li><li><a href="#toc2" tabindex="0">胃いってどんな形かたち？どこにあるの？</a></li><li><a href="#toc3" tabindex="0">食たべ物ものをドロドロに溶とかす！胃液いえきのスーパーパワー</a></li><li><a href="#toc4" tabindex="0">なんで自分じぶんの胃いは溶とけないの？鉄壁てっぺきの粘膜ねんまくバリア</a></li><li><a href="#toc5" tabindex="0">体からだを守まもる！胃酸いさんの殺菌さっきんゲート</a></li><li><a href="#toc6" tabindex="0">お腹なかが空すくと「グーッ」と鳴なるひみつ</a></li><li><a href="#toc7" tabindex="0">胃いを元気げんきに保たもつ3つの健康習慣けんこうしゅうかん</a></li><li><a href="#toc8" tabindex="0">まとめ</a></li></ol>
    </div>
  </div>

<h2 class="kids-heading-2"><span id="toc1">はじめに</span></h2>
<p><ruby><rb>美味</rb><rt aria-hidden="true">おい</rt></ruby>しいカレーライスやハンバーグをお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>いっぱい<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたとき、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>がぽっこりふくらんで「あー、<ruby><rb>美味</rb><rt aria-hidden="true">おい</rt></ruby>しかった！」と<ruby><rb>大満足</rb><rt aria-hidden="true">だいまんぞく</rt></ruby>した<ruby><rb>経験</rb><rt aria-hidden="true">けいけん</rt></ruby>はありませんか？</p>
<p>でも、<ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>から<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたごはんは、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で<ruby><rb>一体</rb><rt aria-hidden="true">いったい</rt></ruby>どこへ<ruby><rb>行</rb><rt aria-hidden="true">い</rt></ruby>き、どんなふうに<ruby><rb>姿</rb><rt aria-hidden="true">すがた</rt></ruby>を<ruby><rb>変</rb><rt aria-hidden="true">か</rt></ruby>えているのでしょうか？</p>
<p><ruby><rb>私</rb><rt aria-hidden="true">わたし</rt></ruby>たちが<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたものは、のどを<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>って「<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>」というお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>袋</rb><rt aria-hidden="true">ふくろ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>運</rb><rt aria-hidden="true">はこ</rt></ruby>ばれます。そして、この<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>では、<ruby><rb>想像</rb><rt aria-hidden="true">そうぞう</rt></ruby>もつかないような<ruby><rb>大仕事</rb><rt aria-hidden="true">おおしごと</rt></ruby>が<ruby><rb>休</rb><rt aria-hidden="true">やす</rt></ruby>みなく<ruby><rb>行</rb><rt aria-hidden="true">おこな</rt></ruby>われているのです！</p>
<p>「<ruby><rb>固</rb><rt aria-hidden="true">かた</rt></ruby>いお<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>や<ruby><rb>野菜</rb><rt aria-hidden="true">やさい</rt></ruby>が、どうして<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>でドロドロになるの？」 「<ruby><rb>鉄</rb><rt aria-hidden="true">てつ</rt></ruby>も<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かすくらい<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>が<ruby><rb>出</rb><rt aria-hidden="true">で</rt></ruby>ているのに、なんで<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けないの？」 「お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>空</rb><rt aria-hidden="true">す</rt></ruby>いたとき、どうしてグーッと<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きな<ruby><rb>音</rb><rt aria-hidden="true">おと</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るの？」</p>
<p><ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、みんなのお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>にある<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>には、まるでスーパーロボットのような<ruby><rb>驚</rb><rt aria-hidden="true">おどろ</rt></ruby>きの<ruby><rb>仕組</rb><rt aria-hidden="true">しく</rt></ruby>みがいっぱい<ruby><rb>詰</rb><rt aria-hidden="true">つ</rt></ruby>まっています。<ruby><rb>今回</rb><rt aria-hidden="true">こんかい</rt></ruby>は、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>や<ruby><rb>場所</rb><rt aria-hidden="true">ばしょ</rt></ruby>、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>するパワー、<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る<ruby><rb>鉄壁</rb><rt aria-hidden="true">てっぺき</rt></ruby>のバリアまで、<ruby><rb>楽</rb><rt aria-hidden="true">たの</rt></ruby>しく<ruby><rb>分</rb><rt aria-hidden="true">わ</rt></ruby>かりやすく<ruby><rb>解説</rb><rt aria-hidden="true">かいせつ</rt></ruby>していきます！</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">カレーライスなら<ruby><rb>大盛</rb><rt aria-hidden="true">おおも</rt></ruby>り3<ruby><rb>杯</rb><rt aria-hidden="true">はい</rt></ruby>はペロリといけるぜ！<ruby><rb>俺</rb><rt aria-hidden="true">おれ</rt></ruby>の<ruby><rb>胃袋</rb><rt aria-hidden="true">いぶくろ</rt></ruby>は<ruby><rb>宇宙</rb><rt aria-hidden="true">うちゅう</rt></ruby>みたいに<ruby><rb>無限大</rb><rt aria-hidden="true">むげんだい</rt></ruby>なんだ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00659-564574306.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>大盛</rb><rt aria-hidden="true">おおも</rt></ruby>り3<ruby><rb>杯</rb><rt aria-hidden="true">はい</rt></ruby>なんて<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べすぎよ！でも、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたごはんがお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>でどうやって<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>されているのか、すごく<ruby><rb>気</rb><rt aria-hidden="true">き</rt></ruby>にならない？<ruby><rb>一緒</rb><rt aria-hidden="true">いっしょ</rt></ruby>に<ruby><rb>見</rb><rt aria-hidden="true">み</rt></ruby>てみましょう！</p>
  </div>
</div>

<h2 class="kids-heading-2"><span id="toc2"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>ってどんな<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>？どこにあるの？</span></h2>
<p>まずは、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>のどこにあって、どんな<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>をしているのかを<ruby><rb>見</rb><rt aria-hidden="true">み</rt></ruby>ていきましょう！</p>
<p>よくおへそのあたりを<ruby><rb>押</rb><rt aria-hidden="true">お</rt></ruby>さえて「お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>痛</rb><rt aria-hidden="true">いた</rt></ruby>い」と<ruby><rb>言</rb><rt aria-hidden="true">い</rt></ruby>うことがありますが、<ruby><rb>実際</rb><rt aria-hidden="true">じっさい</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>はおへそよりもずっと<ruby><rb>上</rb><rt aria-hidden="true">うえ</rt></ruby>、<ruby><rb>胸</rb><rt aria-hidden="true">むね</rt></ruby>の<ruby><rb>下</rb><rt aria-hidden="true">した</rt></ruby>のみぞおちあたりから<ruby><rb>左側</rb><rt aria-hidden="true">ひだりがわ</rt></ruby>の<ruby><rb>肋骨</rb><rt aria-hidden="true">ろっこつ</rt></ruby>の<ruby><rb>奥</rb><rt aria-hidden="true">おく</rt></ruby>にあります。</p>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>は、アルファベットの「J」の<ruby><rb>字</rb><rt aria-hidden="true">じ</rt></ruby>や、<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きなそら<ruby><rb>豆</rb><rt aria-hidden="true">まめ</rt></ruby>のような<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>をしています。</p>
<p>そして、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>一番</rb><rt aria-hidden="true">いちばん</rt></ruby>の<ruby><rb>驚</rb><rt aria-hidden="true">おどろ</rt></ruby>きは、ゴム<ruby><rb>風船</rb><rt aria-hidden="true">ふうせん</rt></ruby>のように<strong>「<ruby><rb>伸</rb><rt aria-hidden="true">の</rt></ruby>びたり<ruby><rb>縮</rb><rt aria-hidden="true">ちぢ</rt></ruby>んだりする<ruby><rb>柔</rb><rt aria-hidden="true">やわ</rt></ruby>らかさ」</strong>です！</p>
<p><ruby><rb>何</rb><rt aria-hidden="true">なに</rt></ruby>も<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べていないときの<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は、<ruby><rb>空気</rb><rt aria-hidden="true">くうき</rt></ruby>が<ruby><rb>抜</rb><rt aria-hidden="true">ぬ</rt></ruby>けた<ruby><rb>風船</rb><rt aria-hidden="true">ふうせん</rt></ruby>のように<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さくしぼんでいて、<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きさも<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の「<ruby><rb>握</rb><rt aria-hidden="true">にぎ</rt></ruby>りこぶし」くらいしかありません。 ところが、ごはんを<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>始</rb><rt aria-hidden="true">はじ</rt></ruby>めると、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>筋肉</rb><rt aria-hidden="true">きんにく</rt></ruby>が<ruby><rb>柔</rb><rt aria-hidden="true">やわ</rt></ruby>らかく<ruby><rb>広</rb><rt aria-hidden="true">ひろ</rt></ruby>がっていきます。なんと<ruby><rb>大人</rb><rt aria-hidden="true">おとな</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>であれば、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>や<ruby><rb>飲</rb><rt aria-hidden="true">の</rt></ruby>み<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>が<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>ることで<strong>1.5リットル〜2リットル（ペットボトル1<ruby><rb>本分以上</rb><rt aria-hidden="true">ほんぶんいじょう</rt></ruby>！）</strong>まで<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きくふくらむことができるのです！</p>
<p><ruby><rb>普段</rb><rt aria-hidden="true">ふだん</rt></ruby>は<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さくたたまれていて、<ruby><rb>食事</rb><rt aria-hidden="true">しょくじ</rt></ruby>をするとグーンと<ruby><rb>広</rb><rt aria-hidden="true">ひろ</rt></ruby>がって<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>受</rb><rt aria-hidden="true">う</rt></ruby>け<ruby><rb>止</rb><rt aria-hidden="true">と</rt></ruby>める<ruby><rb>一時的</rb><rt aria-hidden="true">いちじてき</rt></ruby>な<ruby><rb>倉庫</rb><rt aria-hidden="true">そうこ</rt></ruby>の<ruby><rb>役割</rb><rt aria-hidden="true">やくわり</rt></ruby>を<ruby><rb>果</rb><rt aria-hidden="true">は</rt></ruby>たしているのですね。</p>

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  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>空</rb><rt aria-hidden="true">から</rt></ruby>っぽのときは<ruby><rb>握</rb><rt aria-hidden="true">にぎ</rt></ruby>りこぶしサイズなのに、ペットボトル1<ruby><rb>本分</rb><rt aria-hidden="true">ほんぶん</rt></ruby>までふくらむのか！<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>のゴム<ruby><rb>風船</rb><rt aria-hidden="true">ふうせん</rt></ruby>パワー、すげーな！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">ごはんを<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べるとお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>がぽっこり<ruby><rb>出</rb><rt aria-hidden="true">で</rt></ruby>るのも、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きくふくらんで<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>受</rb><rt aria-hidden="true">う</rt></ruby>け<ruby><rb>止</rb><rt aria-hidden="true">と</rt></ruby>めてくれている<ruby><rb>証拠</rb><rt aria-hidden="true">しょうこ</rt></ruby>なのよ。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137.jpg" alt="お腹の中のみぞおち付近にあるJの字の形をした胃と、風船のように大きく伸び縮みする柔軟性を表現したイメージ。" class="kids-post-image wp-image-3791" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224137-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;">お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>のみぞおち<ruby><rb>付近</rb><rt aria-hidden="true">ふきん</rt></ruby>にあるJの<ruby><rb>字</rb><rt aria-hidden="true">じ</rt></ruby>の<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>をした<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>と、<ruby><rb>風船</rb><rt aria-hidden="true">ふうせん</rt></ruby>のように<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きく<ruby><rb>伸</rb><rt aria-hidden="true">の</rt></ruby>び<ruby><rb>縮</rb><rt aria-hidden="true">ちぢ</rt></ruby>みする<ruby><rb>柔軟性</rb><rt aria-hidden="true">じゅうなんせい</rt></ruby>を<ruby><rb>表現</rb><rt aria-hidden="true">ひょうげん</rt></ruby>したイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc3"><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>をドロドロに<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かす！<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>のスーパーパワー</span></h2>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>が<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>くと、いよいよ<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>細</rb><rt aria-hidden="true">こま</rt></ruby>かく<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>する「<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>」が<ruby><rb>始</rb><rt aria-hidden="true">はじ</rt></ruby>まります。ここで<ruby><rb>大活躍</rb><rt aria-hidden="true">だいかつやく</rt></ruby>するのが<strong>「<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>」</strong>です！</p>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>の<ruby><rb>壁</rb><rt aria-hidden="true">かべ</rt></ruby>からは、1<ruby><rb>日</rb><rt aria-hidden="true">にち</rt></ruby>に<ruby><rb>約</rb><rt aria-hidden="true">やく</rt></ruby>1.5リットル〜2.5リットルもの<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>がシャワーのように<ruby><rb>湧</rb><rt aria-hidden="true">わ</rt></ruby>き<ruby><rb>出</rb><rt aria-hidden="true">で</rt></ruby>ています。この<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>には、2つの<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>武器</rb><rt aria-hidden="true">ぶき</rt></ruby>が<ruby><rb>含</rb><rt aria-hidden="true">ふく</rt></ruby>まれています。</p>
<ol class="kids-ordered-list" style="padding-left: 24px; margin: 20px 0; font-size: 17px; line-height: 1.8;">
<li style="margin-bottom: 14px; line-height: 1.8;"><span style="font-weight: bold;"><strong><ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>（<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>酸</rb><rt aria-hidden="true">さん</rt></ruby>）</strong></span><div style="margin-top: 4px; line-height: 1.8;"><ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>の<ruby><rb>正体</rb><rt aria-hidden="true">しょうたい</rt></ruby>は「<ruby><rb>塩酸</rb><rt aria-hidden="true">えんさん</rt></ruby>」という<ruby><rb>強</rb><rt aria-hidden="true">つよ</rt></ruby>い<ruby><rb>酸性</rb><rt aria-hidden="true">さんせい</rt></ruby>の<ruby><rb>液体</rb><rt aria-hidden="true">えきたい</rt></ruby>です。レモン<ruby><rb>汁</rb><rt aria-hidden="true">じる</rt></ruby>やお<ruby><rb>酢</rb><rt aria-hidden="true">す</rt></ruby>よりもはるかに<ruby><rb>酸</rb><rt aria-hidden="true">す</rt></ruby>っぱく、<ruby><rb>金属</rb><rt aria-hidden="true">きんぞく</rt></ruby>のクギを<ruby><rb>入</rb><rt aria-hidden="true">い</rt></ruby>れておくと<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けてボロボロになってしまうほどの<ruby><rb>威力</rb><rt aria-hidden="true">いりょく</rt></ruby>を<ruby><rb>持</rb><rt aria-hidden="true">も</rt></ruby>っています。</div></li>
<li style="margin-bottom: 14px; line-height: 1.8;"><span style="font-weight: bold;"><strong>ペプシン（<ruby><rb>消化酵素</rb><rt aria-hidden="true">しょうかこうそ</rt></ruby>）</strong></span><div style="margin-top: 4px; line-height: 1.8;">お<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>やお<ruby><rb>魚</rb><rt aria-hidden="true">さかな</rt></ruby>、<ruby><rb>大豆</rb><rt aria-hidden="true">だいず</rt></ruby>などに<ruby><rb>含</rb><rt aria-hidden="true">ふく</rt></ruby>まれる「タンパク<ruby><rb>質</rb><rt aria-hidden="true">しつ</rt></ruby>」をチョキチョキと<ruby><rb>細</rb><rt aria-hidden="true">こま</rt></ruby>かく<ruby><rb>切</rb><rt aria-hidden="true">き</rt></ruby>り<ruby><rb>刻</rb><rt aria-hidden="true">きざ</rt></ruby>む<ruby><rb>専用</rb><rt aria-hidden="true">せんよう</rt></ruby>のハサミです。</div></li>
</ol>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は、この<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>を<ruby><rb>混</rb><rt aria-hidden="true">ま</rt></ruby>ぜ<ruby><rb>合</rb><rt aria-hidden="true">あ</rt></ruby>わせながら、ぎゅっぎゅっと<ruby><rb>筋肉</rb><rt aria-hidden="true">きんにく</rt></ruby>を<ruby><rb>動</rb><rt aria-hidden="true">うご</rt></ruby>かして<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>激</rb><rt aria-hidden="true">はげ</rt></ruby>しく<ruby><rb>揉</rb><rt aria-hidden="true">も</rt></ruby>み<ruby><rb>洗</rb><rt aria-hidden="true">あら</rt></ruby>いします（これを<ruby><rb>蠕動運動</rb><rt aria-hidden="true">ぜんどううんどう</rt></ruby>と<ruby><rb>言</rb><rt aria-hidden="true">い</rt></ruby>います）。 その<ruby><rb>結果</rb><rt aria-hidden="true">けっか</rt></ruby>、<ruby><rb>固</rb><rt aria-hidden="true">かた</rt></ruby>かったお<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>やごはんも、2<ruby><rb>時間</rb><rt aria-hidden="true">じかん</rt></ruby>〜4<ruby><rb>時間</rb><rt aria-hidden="true">じかん</rt></ruby>ほどかけて<strong>「サラサラのポタージュスープ<ruby><rb>状</rb><rt aria-hidden="true">じょう</rt></ruby>」</strong>へと<ruby><rb>変身</rb><rt aria-hidden="true">へんしん</rt></ruby>し、<ruby><rb>次</rb><rt aria-hidden="true">つぎ</rt></ruby>の<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>へと<ruby><rb>送</rb><rt aria-hidden="true">おく</rt></ruby>り<ruby><rb>出</rb><rt aria-hidden="true">だ</rt></ruby>されるのです。</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>金属</rb><rt aria-hidden="true">きんぞく</rt></ruby>のクギまで<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かしちゃう<ruby><rb>酸</rb><rt aria-hidden="true">さん</rt></ruby>と、タンパク<ruby><rb>質</rb><rt aria-hidden="true">しつ</rt></ruby>を<ruby><rb>切</rb><rt aria-hidden="true">き</rt></ruby>るハサミで<ruby><rb>揉</rb><rt aria-hidden="true">も</rt></ruby>み<ruby><rb>洗</rb><rt aria-hidden="true">あら</rt></ruby>いするのか！<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>はまるで<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>なミキサーだな！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">そうね。しっかりドロドロのスープにしておかないと、このあとの<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>で<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>をスムーズに<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>できないから、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>はとっても<ruby><rb>大事</rb><rt aria-hidden="true">だいじ</rt></ruby>な<ruby><rb>下準備</rb><rt aria-hidden="true">したじゅんび</rt></ruby>をしてくれているのよ。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145.jpg" alt="胃の中で強力な胃液（消化液）が食べ物を優しく包み込み、ドロドロのスープ状へと消化していくパワフルな様子のイメージ。" class="kids-post-image wp-image-3792" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224145-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>（<ruby><rb>消化液</rb><rt aria-hidden="true">しょうかえき</rt></ruby>）が<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>優</rb><rt aria-hidden="true">やさ</rt></ruby>しく<ruby><rb>包</rb><rt aria-hidden="true">つつ</rt></ruby>み<ruby><rb>込</rb><rt aria-hidden="true">こ</rt></ruby>み、ドロドロのスープ<ruby><rb>状</rb><rt aria-hidden="true">じょう</rt></ruby>へと<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>していくパワフルな<ruby><rb>様子</rb><rt aria-hidden="true">ようす</rt></ruby>のイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc4">なんで<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けないの？<ruby><rb>鉄壁</rb><rt aria-hidden="true">てっぺき</rt></ruby>の<ruby><rb>粘膜</rb><rt aria-hidden="true">ねんまく</rt></ruby>バリア</span></h2>
<p>ここで、<ruby><rb>誰</rb><rt aria-hidden="true">だれ</rt></ruby>もが<ruby><rb>思</rb><rt aria-hidden="true">おも</rt></ruby>う<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きな<ruby><rb>疑問</rb><rt aria-hidden="true">ぎもん</rt></ruby>があります。 <strong>「お<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>をドロドロに<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かす<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>が<ruby><rb>出</rb><rt aria-hidden="true">で</rt></ruby>ているのに、どうしてお<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>でできている<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けないの？」</strong></p>
<p><ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>では「<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>攻撃</rb><rt aria-hidden="true">こうげき</rt></ruby>」と「<ruby><rb>鉄壁</rb><rt aria-hidden="true">てっぺき</rt></ruby>の<ruby><rb>防御</rb><rt aria-hidden="true">ぼうぎょ</rt></ruby>」のすごい<ruby><rb>戦</rb><rt aria-hidden="true">たたか</rt></ruby>いが<ruby><rb>行</rb><rt aria-hidden="true">おこな</rt></ruby>われています！</p>

<div class="kids-vs-container" style="display: flex; gap: 16px; margin: 28px 0; align-items: stretch; position: relative; flex-wrap: wrap;">
  <div class="kids-vs-card kids-vs-left" style="flex: 1; min-width: 260px; background: #fff7ed; border: 2px solid #fdba74; border-radius: 14px; padding: 18px 20px; box-shadow: 0 4px 10px rgba(234,88,12,0.06);">
    <div style="font-weight: bold; font-size: 18px; color: #c2410c; margin-bottom: 12px; display: flex; align-items: center; gap: 8px;">
      <span style="display: inline-block; width: 6px; height: 18px; background: #ea580c; border-radius: 3px;"></span>
      <span><ruby><rb>強烈</rb><rt aria-hidden="true">きょうれつ</rt></ruby>な<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>（<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かす<ruby><rb>攻撃</rb><rt aria-hidden="true">こうげき</rt></ruby>）</span>
    </div>
    <div style="font-size: 17px; line-height: 1.8; color: #334155;"><div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・レモンやお<ruby><rb>酢</rb><rt aria-hidden="true">す</rt></ruby>よりはるかに<ruby><rb>強</rb><rt aria-hidden="true">つよ</rt></ruby>い<ruby><rb>塩酸</rb><rt aria-hidden="true">えんさん</rt></ruby>のシャワー！</div>
<div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・<ruby><rb>固</rb><rt aria-hidden="true">かた</rt></ruby>いお<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>や<ruby><rb>魚</rb><rt aria-hidden="true">さかな</rt></ruby>のタンパク<ruby><rb>質</rb><rt aria-hidden="true">しつ</rt></ruby>を<ruby><rb>徹底分解</rb><rt aria-hidden="true">てっていぶんかい</rt></ruby>！</div>
<div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・<ruby><rb>金属</rb><rt aria-hidden="true">きんぞく</rt></ruby>のクギもボロボロにする<ruby><rb>強烈</rb><rt aria-hidden="true">きょうれつ</rt></ruby>パワー！</div></div>
  </div>
  <div class="kids-vs-card kids-vs-right" style="flex: 1; min-width: 260px; background: #f0fdf4; border: 2px solid #86efac; border-radius: 14px; padding: 18px 20px; box-shadow: 0 4px 10px rgba(22,163,74,0.06);">
    <div style="font-weight: bold; font-size: 18px; color: #15803d; margin-bottom: 12px; display: flex; align-items: center; gap: 8px;">
      <span style="display: inline-block; width: 6px; height: 18px; background: #16a34a; border-radius: 3px;"></span>
      <span><ruby><rb>鉄壁</rb><rt aria-hidden="true">てっぺき</rt></ruby>の<ruby><rb>粘膜</rb><rt aria-hidden="true">ねんまく</rt></ruby>バリア（<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る<ruby><rb>防御</rb><rt aria-hidden="true">ぼうぎょ</rt></ruby>）</span>
    </div>
    <div style="font-size: 17px; line-height: 1.8; color: #334155;"><div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側全体</rb><rt aria-hidden="true">うちがわぜんたい</rt></ruby>を<ruby><rb>厚</rb><rt aria-hidden="true">あつ</rt></ruby>く<ruby><rb>覆</rb><rt aria-hidden="true">おお</rt></ruby>うジェル<ruby><rb>状</rb><rt aria-hidden="true">じょう</rt></ruby>の<ruby><rb>透明</rb><rt aria-hidden="true">とうめい</rt></ruby>バリア！</div>
<div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・アルカリ<ruby><rb>性</rb><rt aria-hidden="true">せい</rt></ruby>の<ruby><rb>成分</rb><rt aria-hidden="true">せいぶん</rt></ruby>を<ruby><rb>出</rb><rt aria-hidden="true">だ</rt></ruby>して<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>を<ruby><rb>瞬時</rb><rt aria-hidden="true">しゅんじ</rt></ruby>に<ruby><rb>中和</rb><rt aria-hidden="true">ちゅうわ</rt></ruby>！</div>
<div style="margin-bottom: 6px; font-size: 17px; line-height: 1.8;">・<ruby><rb>傷</rb><rt aria-hidden="true">きず</rt></ruby>ついても<ruby><rb>数日</rb><rt aria-hidden="true">すうじつ</rt></ruby>で<ruby><rb>新</rb><rt aria-hidden="true">あたら</rt></ruby>しい<ruby><rb>細胞</rb><rt aria-hidden="true">さいぼう</rt></ruby>にスピード<ruby><rb>生</rb><rt aria-hidden="true">う</rt></ruby>まれ<ruby><rb>変</rb><rt aria-hidden="true">か</rt></ruby>わり！</div></div>
  </div>
</div>

<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>の<ruby><rb>壁</rb><rt aria-hidden="true">かべ</rt></ruby>からは、<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>と<ruby><rb>同時</rb><rt aria-hidden="true">どうじ</rt></ruby>に<strong>「<ruby><rb>粘液</rb><rt aria-hidden="true">ねんえき</rt></ruby>」という<ruby><rb>特別</rb><rt aria-hidden="true">とくべつ</rt></ruby>なジェル</strong>がたっぷり<ruby><rb>分泌</rb><rt aria-hidden="true">ぶんぴつ</rt></ruby>されています。このジェルが<ruby><rb>厚</rb><rt aria-hidden="true">あつ</rt></ruby>いシールドとなって<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>を<ruby><rb>直接</rb><rt aria-hidden="true">ちょくせつ</rt></ruby><ruby><rb>触</rb><rt aria-hidden="true">ふ</rt></ruby>れさせないようにガードしているのです。</p>
<p>さらに、<ruby><rb>万</rb><rt aria-hidden="true">まん</rt></ruby>が<ruby><rb>一</rb><rt aria-hidden="true">いち</rt></ruby><ruby><rb>少</rb><rt aria-hidden="true">すこ</rt></ruby>し<ruby><rb>傷</rb><rt aria-hidden="true">きず</rt></ruby>ついても、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>表面</rb><rt aria-hidden="true">ひょうめん</rt></ruby>の<ruby><rb>細胞</rb><rt aria-hidden="true">さいぼう</rt></ruby>は2<ruby><rb>日</rb><rt aria-hidden="true">にち</rt></ruby>〜3<ruby><rb>日</rb><rt aria-hidden="true">にち</rt></ruby>という<ruby><rb>超</rb><rt aria-hidden="true">ちょう</rt></ruby>ハイスピードで<ruby><rb>新</rb><rt aria-hidden="true">あたら</rt></ruby>しい<ruby><rb>細胞</rb><rt aria-hidden="true">さいぼう</rt></ruby>に<ruby><rb>生</rb><rt aria-hidden="true">う</rt></ruby>まれ<ruby><rb>変</rb><rt aria-hidden="true">か</rt></ruby>わるため、<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けてしまうことはありません。<ruby><rb>人間</rb><rt aria-hidden="true">にんげん</rt></ruby>の<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>って<ruby><rb>本当</rb><rt aria-hidden="true">ほんとう</rt></ruby>によくできていますね！</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">ジェル<ruby><rb>状</rb><rt aria-hidden="true">じょう</rt></ruby>のシールドバリアで<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>りながら、<ruby><rb>数日</rb><rt aria-hidden="true">すうじつ</rt></ruby>で<ruby><rb>新品</rb><rt aria-hidden="true">しんぴん</rt></ruby>に<ruby><rb>生</rb><rt aria-hidden="true">う</rt></ruby>まれ<ruby><rb>変</rb><rt aria-hidden="true">か</rt></ruby>わるのか！<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>防御</rb><rt aria-hidden="true">ぼうぎょ</rt></ruby>システム、<ruby><rb>完璧</rb><rt aria-hidden="true">かんぺき</rt></ruby>すぎるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">でも、ストレスがたまったり<ruby><rb>暴飲暴食</rb><rt aria-hidden="true">ぼういんぼうしょく</rt></ruby>をしたりすると、このバリアが<ruby><rb>弱</rb><rt aria-hidden="true">よわ</rt></ruby>まって<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>痛</rb><rt aria-hidden="true">いた</rt></ruby>くなっちゃうことがあるの。<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>をいたわってあげることも<ruby><rb>大切</rb><rt aria-hidden="true">たいせつ</rt></ruby>ね。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153.jpg" alt="強力な胃酸から自分自身を守るため、胃の内側をしっかりと覆っている厚い透明な粘膜バリアのイメージ。" class="kids-post-image wp-image-3793" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224153-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;"><ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>から<ruby><rb>自分自身</rb><rt aria-hidden="true">じぶんじしん</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>るため、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>をしっかりと<ruby><rb>覆</rb><rt aria-hidden="true">おお</rt></ruby>っている<ruby><rb>厚</rb><rt aria-hidden="true">あつ</rt></ruby>い<ruby><rb>透明</rb><rt aria-hidden="true">とうめい</rt></ruby>な<ruby><rb>粘膜</rb><rt aria-hidden="true">ねんまく</rt></ruby>バリアのイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc5"><ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る！<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>の<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>ゲート</span></h2>
<p><ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>の<ruby><rb>役目</rb><rt aria-hidden="true">やくめ</rt></ruby>は、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かすことだけではありません。 <ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、<strong>「<ruby><rb>外</rb><rt aria-hidden="true">そと</rt></ruby>から<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>ってきたバイキンやウイルスをやっつける<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>ゲート」</strong>の<ruby><rb>役割</rb><rt aria-hidden="true">やくわり</rt></ruby>も<ruby><rb>果</rb><rt aria-hidden="true">は</rt></ruby>たしています！</p>
<p><ruby><rb>私</rb><rt aria-hidden="true">わたし</rt></ruby>たちが<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べるごはんや<ruby><rb>手</rb><rt aria-hidden="true">て</rt></ruby>には、<ruby><rb>目</rb><rt aria-hidden="true">め</rt></ruby>に<ruby><rb>見</rb><rt aria-hidden="true">み</rt></ruby>えない<ruby><rb>細菌</rb><rt aria-hidden="true">さいきん</rt></ruby>やウイルスが<ruby><rb>少</rb><rt aria-hidden="true">すこ</rt></ruby>しくっついていることがあります。 しかし、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>と<ruby><rb>一緒</rb><rt aria-hidden="true">いっしょ</rt></ruby>に<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>に<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>ったバイキンのほとんどは、<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>の<ruby><rb>強烈</rb><rt aria-hidden="true">きょうれつ</rt></ruby>な<ruby><rb>酸性</rb><rt aria-hidden="true">さんせい</rt></ruby>プールに<ruby><rb>浸</rb><rt aria-hidden="true">つ</rt></ruby>かることで<ruby><rb>退治</rb><rt aria-hidden="true">たいじ</rt></ruby>されてしまいます。</p>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>は<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>するだけでなく、<ruby><rb>悪</rb><rt aria-hidden="true">わる</rt></ruby>い<ruby><rb>敵</rb><rt aria-hidden="true">てき</rt></ruby>から<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る「<ruby><rb>第一関門</rb><rt aria-hidden="true">だいいちかんもん</rt></ruby>のボディーガード」としても<ruby><rb>大活躍</rb><rt aria-hidden="true">だいかつやく</rt></ruby>しているのです！</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>って<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かすだけじゃなくて、バイキンをやっつける<ruby><rb>消毒</rb><rt aria-hidden="true">しょうどく</rt></ruby>ゲートでもあったのか！<ruby><rb>頼</rb><rt aria-hidden="true">たの</rt></ruby>もしすぎるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>通過</rb><rt aria-hidden="true">つうか</rt></ruby>できるバイキンはほんの<ruby><rb>一部</rb><rt aria-hidden="true">いちぶ</rt></ruby>だけなの。<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>のおかげで<ruby><rb>私</rb><rt aria-hidden="true">わたし</rt></ruby>たちは<ruby><rb>毎日</rb><rt aria-hidden="true">まいにち</rt></ruby><ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>過</rb><rt aria-hidden="true">す</rt></ruby>ごせているのね。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201.jpg" alt="胃の強力な酸が、食べ物と一緒に侵入してきたバイキンやウイルスをブロックして体を守る殺菌バリアのイメージ。" class="kids-post-image wp-image-3794" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224201-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>酸</rb><rt aria-hidden="true">さん</rt></ruby>が、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>と<ruby><rb>一緒</rb><rt aria-hidden="true">いっしょ</rt></ruby>に<ruby><rb>侵入</rb><rt aria-hidden="true">しんにゅう</rt></ruby>してきたバイキンやウイルスをブロックして<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>バリアのイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc6">お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>空</rb><rt aria-hidden="true">す</rt></ruby>くと「グーッ」と<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るひみつ</span></h2>
<p><ruby><rb>授業中</rb><rt aria-hidden="true">じゅぎょうちゅう</rt></ruby>や<ruby><rb>静</rb><rt aria-hidden="true">しず</rt></ruby>かな<ruby><rb>場所</rb><rt aria-hidden="true">ばしょ</rt></ruby>で、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が「グ〜〜ッ」と<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きく<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>って<ruby><rb>恥</rb><rt aria-hidden="true">は</rt></ruby>ずかしい<ruby><rb>思</rb><rt aria-hidden="true">おも</rt></ruby>いをしたことはありませんか？ でも<ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、<ruby><rb>恥</rb><rt aria-hidden="true">は</rt></ruby>ずかしがる<ruby><rb>必要</rb><rt aria-hidden="true">ひつよう</rt></ruby>はまったくありません！お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るのは、<strong>「<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>大掃除</rb><rt aria-hidden="true">おおそうじ</rt></ruby>をしているサイン」</strong>なのです。</p>
<p><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>がすべて<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>されて<ruby><rb>空</rb><rt aria-hidden="true">から</rt></ruby>っぽになると、<ruby><rb>脳</rb><rt aria-hidden="true">のう</rt></ruby>から「<ruby><rb>次</rb><rt aria-hidden="true">つぎ</rt></ruby>のごはんに<ruby><rb>備</rb><rt aria-hidden="true">そな</rt></ruby>えて<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>綺麗</rb><rt aria-hidden="true">きれい</rt></ruby>に<ruby><rb>掃除</rb><rt aria-hidden="true">そうじ</rt></ruby>しなさい！」という<ruby><rb>指令</rb><rt aria-hidden="true">しれい</rt></ruby>が<ruby><rb>出</rb><rt aria-hidden="true">で</rt></ruby>ます。</p>
<p>すると、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きくキューッと<ruby><rb>強</rb><rt aria-hidden="true">つよ</rt></ruby>く<ruby><rb>縮</rb><rt aria-hidden="true">ちぢ</rt></ruby>んで、<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>った<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べかすや<ruby><rb>古</rb><rt aria-hidden="true">ふる</rt></ruby>い<ruby><rb>粘液</rb><rt aria-hidden="true">ねんえき</rt></ruby>を<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>へ<ruby><rb>押</rb><rt aria-hidden="true">お</rt></ruby>し<ruby><rb>流</rb><rt aria-hidden="true">なが</rt></ruby>す「<ruby><rb>大掃除運動</rb><rt aria-hidden="true">おおそうじうんどう</rt></ruby>」を<ruby><rb>始</rb><rt aria-hidden="true">はじ</rt></ruby>めます。このとき、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>っていた<ruby><rb>空気</rb><rt aria-hidden="true">くうき</rt></ruby>と<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>が<ruby><rb>激</rb><rt aria-hidden="true">はげ</rt></ruby>しく<ruby><rb>揺</rb><rt aria-hidden="true">ゆ</rt></ruby>さぶられて、あの「グーッ」という<ruby><rb>音</rb><rt aria-hidden="true">おと</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るのです。</p>
<p>お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>ったときは、「<ruby><rb>私</rb><rt aria-hidden="true">わたし</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>がお<ruby><rb>部屋</rb><rt aria-hidden="true">へや</rt></ruby>をピカピカにお<ruby><rb>掃除</rb><rt aria-hidden="true">そうじ</rt></ruby>してくれたんだな」と<ruby><rb>褒</rb><rt aria-hidden="true">ほ</rt></ruby>めてあげましょう！</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00571-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るのは<ruby><rb>恥</rb><rt aria-hidden="true">は</rt></ruby>ずかしいことじゃなくて、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>大掃除</rb><rt aria-hidden="true">おおそうじ</rt></ruby>してピカピカにしてくれた<ruby><rb>合図</rb><rt aria-hidden="true">あいず</rt></ruby>だったのか！これからは<ruby><rb>堂々</rb><rt aria-hidden="true">どうどう</rt></ruby>としていられるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">「お<ruby><rb>掃除</rb><rt aria-hidden="true">そうじ</rt></ruby>が<ruby><rb>終</rb><rt aria-hidden="true">お</rt></ruby>わってお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>空</rb><rt aria-hidden="true">す</rt></ruby>いたよ！」っていう<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>からの<ruby><rb>可愛</rb><rt aria-hidden="true">かわい</rt></ruby>いメッセージなのよね。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209.jpg" alt="お腹が空いたときに胃が収縮してグーッと心地よい音を鳴らす仕組みと空気の動きを表現したイメージ。" class="kids-post-image wp-image-3795" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224209-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;">お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>空</rb><rt aria-hidden="true">す</rt></ruby>いたときに<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>収縮</rb><rt aria-hidden="true">しゅうしゅく</rt></ruby>してグーッと<ruby><rb>心地</rb><rt aria-hidden="true">ここち</rt></ruby>よい<ruby><rb>音</rb><rt aria-hidden="true">おと</rt></ruby>を<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>らす<ruby><rb>仕組</rb><rt aria-hidden="true">しく</rt></ruby>みと<ruby><rb>空気</rb><rt aria-hidden="true">くうき</rt></ruby>の<ruby><rb>動</rb><rt aria-hidden="true">うご</rt></ruby>きを<ruby><rb>表現</rb><rt aria-hidden="true">ひょうげん</rt></ruby>したイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc7"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>保</rb><rt aria-hidden="true">たも</rt></ruby>つ3つの<ruby><rb>健康習慣</rb><rt aria-hidden="true">けんこうしゅうかん</rt></ruby></span></h2>
<p><ruby><rb>毎日</rb><rt aria-hidden="true">まいにち</rt></ruby>24<ruby><rb>時間</rb><rt aria-hidden="true">じかん</rt></ruby><ruby><rb>頑張</rb><rt aria-hidden="true">がんば</rt></ruby>ってくれている<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>保</rb><rt aria-hidden="true">たも</rt></ruby>つために、<ruby><rb>今日</rb><rt aria-hidden="true">きょう</rt></ruby>からできる<ruby><rb>優</rb><rt aria-hidden="true">やさ</rt></ruby>しい<ruby><rb>習慣</rb><rt aria-hidden="true">しゅうかん</rt></ruby>をマスターしましょう！</p>

<div class="kids-dynamic-rich-box" style="margin: 28px 0;">
  <div class="kids-rich-box-title" style="font-weight: bold; font-size: 18px; color: #1e293b; margin-bottom: 12px;"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>優</rb><rt aria-hidden="true">やさ</rt></ruby>しくいたわる3つの<ruby><rb>黄金</rb><rt aria-hidden="true">おうごん</rt></ruby>ルール</div>
<div class="kids-rich-grid">
  <div class="kids-card-item">
    <div style="font-weight: bold; font-size: 18px; color: #2e7d32; margin-bottom: 8px;">① よく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べる（ひとくち30<ruby><rb>回</rb><rt aria-hidden="true">かい</rt></ruby>）</div>
    <div><ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>細</rb><rt aria-hidden="true">こま</rt></ruby>かく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>み<ruby><rb>砕</rb><rt aria-hidden="true">くだ</rt></ruby>いておくと、<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>が<ruby><rb>混</rb><rt aria-hidden="true">ま</rt></ruby>ざりやすくなり、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>負担</rb><rt aria-hidden="true">ふたん</rt></ruby>がぐんと<ruby><rb>軽</rb><rt aria-hidden="true">かる</rt></ruby>くなります！</div>
  </div>
  <div class="kids-card-item">
    <div style="font-weight: bold; font-size: 18px; color: #e65100; margin-bottom: 8px;">② <ruby><rb>腹八分目</rb><rt aria-hidden="true">はらはちぶめ</rt></ruby>を<ruby><rb>心</rb><rt aria-hidden="true">こころ</rt></ruby>がける</div>
    <div>お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>いっぱい<ruby><rb>限界</rb><rt aria-hidden="true">げんかい</rt></ruby>まで<ruby><rb>詰</rb><rt aria-hidden="true">つ</rt></ruby>め<ruby><rb>込</rb><rt aria-hidden="true">こ</rt></ruby>むと、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>伸</rb><rt aria-hidden="true">の</rt></ruby>びきって<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>に<ruby><rb>時間</rb><rt aria-hidden="true">じかん</rt></ruby>がかかってしまいます。<ruby><rb>少</rb><rt aria-hidden="true">すこ</rt></ruby>し<ruby><rb>余裕</rb><rt aria-hidden="true">よゆう</rt></ruby>を<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>すのがベストです！</div>
  </div>
  <div class="kids-card-item">
    <div style="font-weight: bold; font-size: 18px; color: #1565c0; margin-bottom: 8px;">③ <ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べた<ruby><rb>直後</rb><rt aria-hidden="true">ちょくご</rt></ruby>はゆっくり<ruby><rb>休</rb><rt aria-hidden="true">やす</rt></ruby>む</div>
    <div><ruby><rb>食後</rb><rt aria-hidden="true">しょくご</rt></ruby>すぐに<ruby><rb>激</rb><rt aria-hidden="true">はげ</rt></ruby>しい<ruby><rb>運動</rb><rt aria-hidden="true">うんどう</rt></ruby>をすると、<ruby><rb>血液</rb><rt aria-hidden="true">けつえき</rt></ruby>が<ruby><rb>筋肉</rb><rt aria-hidden="true">きんにく</rt></ruby>にいってしまい<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>きが<ruby><rb>弱</rb><rt aria-hidden="true">よわ</rt></ruby>まります。30<ruby><rb>分</rb><rt aria-hidden="true">ぷん</rt></ruby>はのんびり<ruby><rb>過</rb><rt aria-hidden="true">す</rt></ruby>ごしましょう！</div>
  </div>
</div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">いつも<ruby><rb>早食</rb><rt aria-hidden="true">はやぐ</rt></ruby>いでドカ<ruby><rb>食</rb><rt aria-hidden="true">ぐ</rt></ruby>いしちゃうから、これからはしっかり30<ruby><rb>回</rb><rt aria-hidden="true">かい</rt></ruby><ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>助</rb><rt aria-hidden="true">たす</rt></ruby>けてあげるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたあとにすぐ<ruby><rb>走</rb><rt aria-hidden="true">はし</rt></ruby>ったり<ruby><rb>遊</rb><rt aria-hidden="true">あそ</rt></ruby>んだりせず、<ruby><rb>少</rb><rt aria-hidden="true">すこ</rt></ruby>し<ruby><rb>休憩</rb><rt aria-hidden="true">きゅうけい</rt></ruby>するのも<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>への<ruby><rb>思</rb><rt aria-hidden="true">おも</rt></ruby>いやりね。<ruby><rb>毎日</rb><rt aria-hidden="true">まいにち</rt></ruby><ruby><rb>美味</rb><rt aria-hidden="true">おい</rt></ruby>しく<ruby><rb>楽</rb><rt aria-hidden="true">たの</rt></ruby>しくごはんを<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べましょう！</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216.jpg" alt="よく噛んで美味しいごはんを味わい、胃に優しく健康的な食習慣を大切にするイメージ。" class="kids-post-image wp-image-3796" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/08/blog_image_20260823224216-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
  <div class="kids-image-caption" style="font-size: 13px; color: #64748b; margin-top: 6px;">よく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>美味</rb><rt aria-hidden="true">おい</rt></ruby>しいごはんを<ruby><rb>味</rb><rt aria-hidden="true">あじ</rt></ruby>わい、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>に<ruby><rb>優</rb><rt aria-hidden="true">やさ</rt></ruby>しく<ruby><rb>健康的</rb><rt aria-hidden="true">けんこうてき</rt></ruby>な<ruby><rb>食習慣</rb><rt aria-hidden="true">しょくしゅうかん</rt></ruby>を<ruby><rb>大切</rb><rt aria-hidden="true">たいせつ</rt></ruby>にするイメージ。</div>
</div>

<h2 class="kids-heading-2"><span id="toc8">まとめ</span></h2>

<div class="kids-blackboard-box" style="background: #1c3d2e; border: 8px solid #a16207; border-radius: 14px; padding: 22px 26px; margin: 28px 0; color: #ffffff; box-shadow: 0 6px 18px rgba(0,0,0,0.18); position: relative;">
  <div style="text-align: center; border-bottom: 2px dashed #86efac; padding-bottom: 10px; margin-bottom: 16px; font-weight: bold; font-size: 20px; color: #fef08a; letter-spacing: 1px;">&#x1f4dd; <ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>のまとめノート</div>
  <div class="kids-blackboard-content">
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>はおへそより<ruby><rb>上</rb><rt aria-hidden="true">うえ</rt></ruby>の「みぞおち<ruby><rb>付近</rb><rt aria-hidden="true">ふきん</rt></ruby>」にあり、<ruby><rb>風船</rb><rt aria-hidden="true">ふうせん</rt></ruby>のように<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きく<ruby><rb>伸</rb><rt aria-hidden="true">の</rt></ruby>び<ruby><rb>縮</rb><rt aria-hidden="true">ちぢ</rt></ruby>みする！</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な「<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>」と「ペプシン」で<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>揉</rb><rt aria-hidden="true">も</rt></ruby>み<ruby><rb>洗</rb><rt aria-hidden="true">あら</rt></ruby>いし、ドロドロのスープにする！</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>が<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けないのは、<ruby><rb>厚</rb><rt aria-hidden="true">あつ</rt></ruby>い「<ruby><rb>粘液</rb><rt aria-hidden="true">ねんえき</rt></ruby>バリア」と<ruby><rb>超</rb><rt aria-hidden="true">ちょう</rt></ruby>スピードの<ruby><rb>細胞再生</rb><rt aria-hidden="true">さいぼうさいせい</rt></ruby>があるから！</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>は<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>についたバイキンを<ruby><rb>退治</rb><rt aria-hidden="true">たいじ</rt></ruby>する「<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>ゲート」としても<ruby><rb>大活躍</rb><rt aria-hidden="true">だいかつやく</rt></ruby>！</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span>お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>がグーッと<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>るのは、<ruby><rb>次</rb><rt aria-hidden="true">つぎ</rt></ruby>のごはんに<ruby><rb>備</rb><rt aria-hidden="true">そな</rt></ruby>えて<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>がピカピカに「<ruby><rb>大掃除</rb><rt aria-hidden="true">おおそうじ</rt></ruby>」している<ruby><rb>合図</rb><rt aria-hidden="true">あいず</rt></ruby>！</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span>よく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>腹八分目</rb><rt aria-hidden="true">はらはちぶめ</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>り、<ruby><rb>頑張</rb><rt aria-hidden="true">がんば</rt></ruby>る<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>を<ruby><rb>優</rb><rt aria-hidden="true">やさ</rt></ruby>しくいたわろう！</span>
  </div>
  </div>
  <div style="position: absolute; bottom: 8px; right: 14px; font-size: 18px; opacity: 0.8;">&#x1f58d;&#xfe0f; &#x270f;&#xfe0f;</div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00554-3365276621-1.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>パワーや<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>るバリア、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>が<ruby><rb>鳴</rb><rt aria-hidden="true">な</rt></ruby>る<ruby><rb>理由</rb><rt aria-hidden="true">りゆう</rt></ruby>まで<ruby><rb>全部</rb><rt aria-hidden="true">ぜんぶ</rt></ruby>スッキリ<ruby><rb>分</rb><rt aria-hidden="true">わ</rt></ruby>かったぜ！<ruby><rb>俺</rb><rt aria-hidden="true">おれ</rt></ruby>の<ruby><rb>胃袋</rb><rt aria-hidden="true">いぶくろ</rt></ruby>、いつもありがとう！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00659-564574306.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>では<ruby><rb>毎日</rb><rt aria-hidden="true">まいにち</rt></ruby>こんなに<ruby><rb>凄</rb><rt aria-hidden="true">すご</rt></ruby>いドラマが<ruby><rb>起</rb><rt aria-hidden="true">お</rt></ruby>きているのね。<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>の<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>を<ruby><rb>大切</rb><rt aria-hidden="true">たいせつ</rt></ruby>にするきっかけにしていきましょう！</p>
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		<title>小学生でもわかる！「消化（しょうか）」</title>
		<link>https://xn--u8jvc1drbs3196d17at04j.com/health/digestion-system</link>
					<comments>https://xn--u8jvc1drbs3196d17at04j.com/health/digestion-system#respond</comments>
		
		<dc:creator><![CDATA[shogakucom]]></dc:creator>
		<pubDate>Fri, 17 Jul 2026 01:26:00 +0000</pubDate>
				<category><![CDATA[健康・からだ]]></category>
		<category><![CDATA[からだ]]></category>
		<category><![CDATA[小腸]]></category>
		<category><![CDATA[消化]]></category>
		<category><![CDATA[胃]]></category>
		<category><![CDATA[食べ物]]></category>
		<guid isPermaLink="false">https://xn--u8jvc1drbs3196d17at04j.com/?p=3594</guid>

					<description><![CDATA[食べたごはんは体の中でどうなるの？口からお尻までつながる「一本のくだ」と、胃や腸のすごい働きを小学生向けにわかりやすく解説するよ！]]></description>
										<content:encoded><![CDATA[
<div class="kids-image-wrapper kids-eyecatch" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」.jpeg" alt="消化 " class="kids-eyecatch-image wp-image-3602" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」.jpeg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」-300x167.jpeg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」-1024x572.jpeg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」-768x429.jpeg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」-240x135.jpeg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/小学生でもわかる「消化」-320x180.jpeg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
</div>


  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-2" checked><label class="toc-title" for="toc-checkbox-2">もくじ</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">はじめに</a></li><li><a href="#toc2" tabindex="0">消化しょうかってどんな仕組しくみ？</a></li><li><a href="#toc3" tabindex="0">体からだの中なかをめぐる1本ぽんのくだ</a></li><li><a href="#toc4" tabindex="0">胃いや腸ちょうはどんな仕事しごとをしているの？</a></li><li><a href="#toc5" tabindex="0">まとめ</a></li></ol>
    </div>
  </div>

<h2 class="kids-heading-2"><span id="toc1">はじめに</span></h2>
<p><ruby><rb>朝</rb><rt aria-hidden="true">あさ</rt></ruby>ごはんやお<ruby><rb>昼</rb><rt aria-hidden="true">ひる</rt></ruby>ごはんに<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたハンバーグやおにぎり。</p>
<p>お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>いっぱい<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたあと、その<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>は<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>でいったいどうなっているのでしょうか？</p>
<p>「お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>でいつの<ruby><rb>間</rb><rt aria-hidden="true">ま</rt></ruby>にかに<ruby><rb>消</rb><rt aria-hidden="true">き</rt></ruby>えちゃった！」と<ruby><rb>思</rb><rt aria-hidden="true">おも</rt></ruby>うかもしれませんが、<ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>には<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>から「<ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>動</rb><rt aria-hidden="true">うご</rt></ruby>くためのエネルギー（<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>）」を<ruby><rb>取</rb><rt aria-hidden="true">と</rt></ruby>り<ruby><rb>出</rb><rt aria-hidden="true">だ</rt></ruby>すための、<ruby><rb>精密</rb><rt aria-hidden="true">せいみつ</rt></ruby>な<ruby><rb>工場</rb><rt aria-hidden="true">こうじょう</rt></ruby>のようなすごい<ruby><rb>仕組</rb><rt aria-hidden="true">しく</rt></ruby>みが<ruby><rb>隠</rb><rt aria-hidden="true">かく</rt></ruby>されています。</p>
<p><ruby><rb>今回</rb><rt aria-hidden="true">こんかい</rt></ruby>は、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>が<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>を<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>っていく<ruby><rb>驚</rb><rt aria-hidden="true">おどろ</rt></ruby>きのルートと、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>や<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>が<ruby><rb>持</rb><rt aria-hidden="true">も</rt></ruby>つスーパーパワーについて<ruby><rb>分</rb><rt aria-hidden="true">わ</rt></ruby>かりやすく<ruby><rb>解</rb><rt aria-hidden="true">と</rt></ruby>き<ruby><rb>明</rb><rt aria-hidden="true">あ</rt></ruby>かしていきます！</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00558-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>大好物</rb><rt aria-hidden="true">だいこうぶつ</rt></ruby>のカレーをお<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>いっぱい<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたぜ！でも、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>った<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>はどこへ<ruby><rb>消</rb><rt aria-hidden="true">き</rt></ruby>えちゃうんだ？</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">ふふ、<ruby><rb>消</rb><rt aria-hidden="true">き</rt></ruby>えちゃうんじゃなくて、<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さく<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さく<ruby><rb>分</rb><rt aria-hidden="true">わ</rt></ruby>けているのよ。「<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>」のふしぎな<ruby><rb>仕組</rb><rt aria-hidden="true">しく</rt></ruby>みを<ruby><rb>一緒</rb><rt aria-hidden="true">いっしょ</rt></ruby>に<ruby><rb>見</rb><rt aria-hidden="true">み</rt></ruby>てみましょう！</p>
  </div>
</div>

<h2 class="kids-heading-2"><span id="toc2"><ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>ってどんな<ruby><rb>仕組</rb><rt aria-hidden="true">しく</rt></ruby>み？</span></h2>
<p>「<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>」を<ruby><rb>一言</rb><rt aria-hidden="true">ひとこと</rt></ruby>でいうと、<strong><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたものを<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>が<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>できる<ruby><rb>極小</rb><rt aria-hidden="true">ごくしょう</rt></ruby>の<ruby><rb>粒</rb><rt aria-hidden="true">つぶ</rt></ruby>にバラバラに<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>すること</strong>です。</p>
<p>たとえば、<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きなブロックで<ruby><rb>作</rb><rt aria-hidden="true">つく</rt></ruby>ったお<ruby><rb>城</rb><rt aria-hidden="true">しろ</rt></ruby>を<ruby><rb>想像</rb><rt aria-hidden="true">そうぞう</rt></ruby>してみてください。</p>
<p>お<ruby><rb>城</rb><rt aria-hidden="true">しろ</rt></ruby>の<ruby><rb>形</rb><rt aria-hidden="true">かたち</rt></ruby>のままでは<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さなポケットには<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>りませんが、ひとつひとつの<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さなブロックパーツにバラバラに<ruby><rb>崩</rb><rt aria-hidden="true">くず</rt></ruby>せば、ポケットにすっぽり<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>りますよね。</p>
<p><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>もまったく<ruby><rb>同</rb><rt aria-hidden="true">おな</rt></ruby>じです。お<ruby><rb>肉</rb><rt aria-hidden="true">にく</rt></ruby>やお<ruby><rb>米</rb><rt aria-hidden="true">こめ</rt></ruby>の<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きなカタマリのままでは、<ruby><rb>血管</rb><rt aria-hidden="true">けっかん</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>って<ruby><rb>全身</rb><rt aria-hidden="true">ぜんしん</rt></ruby>に<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>を<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>けることができません。そこで、<ruby><rb>血液</rb><rt aria-hidden="true">けつえき</rt></ruby>に<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>け<ruby><rb>込</rb><rt aria-hidden="true">こ</rt></ruby>めるくらい「<ruby><rb>極小</rb><rt aria-hidden="true">ごくしょう</rt></ruby>の<ruby><rb>粒</rb><rt aria-hidden="true">つぶ</rt></ruby>（<ruby><rb>栄養素</rb><rt aria-hidden="true">えいようそ</rt></ruby>）」にまで<ruby><rb>細</rb><rt aria-hidden="true">こま</rt></ruby>かく<ruby><rb>砕</rb><rt aria-hidden="true">くだ</rt></ruby>いて<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>する<ruby><rb>作業</rb><rt aria-hidden="true">さぎょう</rt></ruby>が<ruby><rb>必要</rb><rt aria-hidden="true">ひつよう</rt></ruby>になります。これこそが「<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>」の<ruby><rb>正体</rb><rt aria-hidden="true">しょうたい</rt></ruby>です。</p>
<p><ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、ごはんを<ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で30<ruby><rb>回以上</rb><rt aria-hidden="true">かいいじょう</rt></ruby>よーく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んでいると、だんだん<ruby><rb>甘</rb><rt aria-hidden="true">あま</rt></ruby>く<ruby><rb>感</rb><rt aria-hidden="true">かん</rt></ruby>じてくることがあります。これは、だ<ruby><rb>液</rb><rt aria-hidden="true">えき</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>含</rb><rt aria-hidden="true">ふく</rt></ruby>まれる「アミラーゼ」という<ruby><rb>消化酵素</rb><rt aria-hidden="true">しょうかこうそ</rt></ruby>が、お<ruby><rb>米</rb><rt aria-hidden="true">こめ</rt></ruby>のでんぷんを「<ruby><rb>糖</rb><rt aria-hidden="true">とう</rt></ruby>」という<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さな<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>ブロックに<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>してくれている<ruby><rb>証拠</rb><rt aria-hidden="true">しょうこ</rt></ruby>なのです。</p>

<div class="kids-dynamic-rich-box" style="margin: 28px 0;">
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    &#x1f9f1; <ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>のイメージ：ブロックの<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>
  </div>
  <div style="display: flex; flex-wrap: wrap; justify-content: space-around; gap: 14px;">
    <div style="background-color: #fff1f2; border: 1.5px solid #fecdd3; border-radius: 10px; padding: 14px; width: 45%; min-width: 140px; text-align: center; box-sizing: border-box;">
      <div style="font-size: 28px; margin-bottom: 6px;">&#x1f96a;</div>
      <div style="font-weight: bold; font-size: 17px; color: #9f1239; margin-bottom: 4px;"><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べる<ruby><rb>前</rb><rt aria-hidden="true">まえ</rt></ruby></div>
      <p style="font-size: 17px; color: #475569; margin: 0; line-height: 1.85;"><ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きな<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>のカタマリ<br>（そのままでは<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>できない）</p>
    </div>
    <div style="background-color: #f0f9ff; border: 1.5px solid #bae6fd; border-radius: 10px; padding: 14px; width: 45%; min-width: 140px; text-align: center; box-sizing: border-box;">
      <div style="font-size: 28px; margin-bottom: 6px;">&#x2728;</div>
      <div style="font-weight: bold; font-size: 17px; color: #0369a1; margin-bottom: 4px;"><ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>された<ruby><rb>後</rb><rt aria-hidden="true">あと</rt></ruby></div>
      <p style="font-size: 17px; color: #475569; margin: 0; line-height: 1.85;"><ruby><rb>極小</rb><rt aria-hidden="true">ごくしょう</rt></ruby>の<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>ブロック<br>（<ruby><rb>血液</rb><rt aria-hidden="true">けつえき</rt></ruby>に<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けて<ruby><rb>全身</rb><rt aria-hidden="true">ぜんしん</rt></ruby>へ<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>く）</p>
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<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00567-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">なるほど！<ruby><rb>大</rb><rt aria-hidden="true">おお</rt></ruby>きな<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>のままだと<ruby><rb>運</rb><rt aria-hidden="true">はこ</rt></ruby>べないから、<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さくバラバラに<ruby><rb>壊</rb><rt aria-hidden="true">こわ</rt></ruby>すんだな！</p>
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<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
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  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">その<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>りよ！この<ruby><rb>分解作業</rb><rt aria-hidden="true">ぶんかいさぎょう</rt></ruby>を、<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>のいろんな<ruby><rb>器官</rb><rt aria-hidden="true">きかん</rt></ruby>がチームワークで<ruby><rb>進</rb><rt aria-hidden="true">すす</rt></ruby>めていくの。</p>
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<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452.jpg" alt="大きな食べ物（サンドイッチなど）が、小さなブロックパーツに分解されていくイメージ。" class="kids-post-image wp-image-3591" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220452-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
</div>

<h2 class="kids-heading-2"><span id="toc3"><ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>をめぐる1<ruby><rb>本</rb><rt aria-hidden="true">ぽん</rt></ruby>のくだ</span></h2>
<p><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>が<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>る<ruby><rb>道</rb><rt aria-hidden="true">みち</rt></ruby>は、<ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>から<ruby><rb>始</rb><rt aria-hidden="true">はじ</rt></ruby>まってのど・<ruby><rb>食道</rb><rt aria-hidden="true">しょくどう</rt></ruby>・<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>・<ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby>・<ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby>、そして<ruby><rb>最後</rb><rt aria-hidden="true">さいご</rt></ruby>のお<ruby><rb>尻</rb><rt aria-hidden="true">しり</rt></ruby>（<ruby><rb>肛門</rb><rt aria-hidden="true">こうもん</rt></ruby>）まで、<ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は<strong><ruby><rb>全部</rb><rt aria-hidden="true">ぜんぶ</rt></ruby>つながった1<ruby><rb>本</rb><rt aria-hidden="true">ぽん</rt></ruby>の<ruby><rb>長</rb><rt aria-hidden="true">なが</rt></ruby>〜いくだ</strong>になっています。</p>
<p>このくだ<ruby><rb>全体</rb><rt aria-hidden="true">ぜんたい</rt></ruby>のことを<strong>「<ruby><rb>消化管</rb><rt aria-hidden="true">しょうかかん</rt></ruby>」</strong>と<ruby><rb>呼</rb><rt aria-hidden="true">よ</rt></ruby>びます。</p>
<p><ruby><rb>大人</rb><rt aria-hidden="true">おとな</rt></ruby>の<ruby><rb>消化管</rb><rt aria-hidden="true">しょうかかん</rt></ruby>をぜんぶ<ruby><rb>伸</rb><rt aria-hidden="true">の</rt></ruby>ばすとなんと<strong><ruby><rb>約</rb><rt aria-hidden="true">やく</rt></ruby>9メートル</strong>！ビルの3<ruby><rb>階</rb><rt aria-hidden="true">かい</rt></ruby>くらいの<ruby><rb>高</rb><rt aria-hidden="true">たか</rt></ruby>さにもなる<ruby><rb>長</rb><rt aria-hidden="true">なが</rt></ruby>いルートを、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>はゆっくり<ruby><rb>進</rb><rt aria-hidden="true">すす</rt></ruby>んでいきます。<ruby><rb>内訳</rb><rt aria-hidden="true">うちわけ</rt></ruby>を<ruby><rb>見</rb><rt aria-hidden="true">み</rt></ruby>ると、<ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby>だけで<ruby><rb>約</rb><rt aria-hidden="true">やく</rt></ruby>6〜7メートル、<ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby>が<ruby><rb>約</rb><rt aria-hidden="true">やく</rt></ruby>1.5メートルもあり、お<ruby><rb>腹</rb><rt aria-hidden="true">なか</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>綺麗</rb><rt aria-hidden="true">きれい</rt></ruby>に<ruby><rb>折</rb><rt aria-hidden="true">お</rt></ruby>りたたまれて<ruby><rb>収</rb><rt aria-hidden="true">おさ</rt></ruby>まっています。</p>

<div class="kids-dynamic-rich-box" style="margin: 28px 0;">
  <div style="background-color: #ffffff; border: 2px solid #e2e8f0; border-radius: 12px; padding: 20px; margin: 24px 0;">
  <div style="text-align: center; font-weight: bold; font-size: 20px; color: #1e293b; margin-bottom: 16px;">
    &#x1f37d;&#xfe0f; <ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>の<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>り<ruby><rb>道</rb><rt aria-hidden="true">みち</rt></ruby>！<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>の5つのステップ
  </div>
  <div style="display: flex; flex-direction: column; gap: 12px;">
    <div style="background-color: #fffbeb; border-left: 5px solid #f59e0b; border-radius: 8px; padding: 12px 16px;">
      <div style="font-weight: bold; font-size: 17px; color: #b45309;">① <ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby></div>
      <p style="font-size: 17px; color: #334155; margin: 4px 0 0 0; line-height: 1.7;"><ruby><rb>歯</rb><rt aria-hidden="true">は</rt></ruby>で<ruby><rb>細</rb><rt aria-hidden="true">こま</rt></ruby>かくかみ<ruby><rb>砕</rb><rt aria-hidden="true">くだ</rt></ruby>き、だ<ruby><rb>液</rb><rt aria-hidden="true">えき</rt></ruby>と<ruby><rb>混</rb><rt aria-hidden="true">ま</rt></ruby>ぜてドロドロにします。</p>
    </div>
    <div style="background-color: #fff7ed; border-left: 5px solid #ea580c; border-radius: 8px; padding: 12px 16px;">
      <div style="font-weight: bold; font-size: 17px; color: #c2410c;">② <ruby><rb>食道</rb><rt aria-hidden="true">しょくどう</rt></ruby></div>
      <p style="font-size: 17px; color: #334155; margin: 4px 0 0 0; line-height: 1.7;"><ruby><rb>筋肉</rb><rt aria-hidden="true">きんにく</rt></ruby>が<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>押</rb><rt aria-hidden="true">お</rt></ruby>し<ruby><rb>出</rb><rt aria-hidden="true">だ</rt></ruby>して、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>まで<ruby><rb>安全</rb><rt aria-hidden="true">あんぜん</rt></ruby>に<ruby><rb>送</rb><rt aria-hidden="true">おく</rt></ruby>り<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>けます。</p>
    </div>
    <div style="background-color: #f0f9ff; border-left: 5px solid #0284c7; border-radius: 8px; padding: 12px 16px;">
      <div style="font-weight: bold; font-size: 17px; color: #0369a1;">③ <ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby></div>
      <p style="font-size: 17px; color: #334155; margin: 4px 0 0 0; line-height: 1.7;"><ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>で<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>をさらに<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かし、おかゆ<ruby><rb>状</rb><rt aria-hidden="true">じょう</rt></ruby>にします。</p>
    </div>
    <div style="background-color: #f5f3ff; border-left: 5px solid #7c3aed; border-radius: 8px; padding: 12px 16px;">
      <div style="font-weight: bold; font-size: 17px; color: #6d28d9;">④ <ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby></div>
      <p style="font-size: 17px; color: #334155; margin: 4px 0 0 0; line-height: 1.7;"><ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>のほとんどを<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>し、<ruby><rb>血液</rb><rt aria-hidden="true">けつえき</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>に<ruby><rb>送</rb><rt aria-hidden="true">おく</rt></ruby>り<ruby><rb>込</rb><rt aria-hidden="true">こ</rt></ruby>みます。</p>
    </div>
    <div style="background-color: #fff1f2; border-left: 5px solid #e11d48; border-radius: 8px; padding: 12px 16px;">
      <div style="font-weight: bold; font-size: 17px; color: #be123c;">⑤ <ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby></div>
      <p style="font-size: 17px; color: #334155; margin: 4px 0 0 0; line-height: 1.7;"><ruby><rb>水分</rb><rt aria-hidden="true">すいぶん</rt></ruby>を<ruby><rb>吸</rb><rt aria-hidden="true">す</rt></ruby>い<ruby><rb>取</rb><rt aria-hidden="true">と</rt></ruby>って、<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>ったカスをうんちとしてまとめます。</p>
    </div>
  </div>
</div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00578-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">うおおー！9メートルもあるのか！<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>で<ruby><rb>巨大</rb><rt aria-hidden="true">きょだい</rt></ruby>なコースを<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>って<ruby><rb>運</rb><rt aria-hidden="true">はこ</rt></ruby>ばれていくんだな！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">そうなの。<ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>から<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>った<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>は、1<ruby><rb>日</rb><rt aria-hidden="true">にち</rt></ruby>〜2<ruby><rb>日</rb><rt aria-hidden="true">にち</rt></ruby>ほどかけてゆっくり<ruby><rb>体内</rb><rt aria-hidden="true">たいない</rt></ruby>を<ruby><rb>進</rb><rt aria-hidden="true">すす</rt></ruby>んでいくのよ。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504.jpg" alt="口からお尻までつながる長い「一本のくだ」が、楽しげなジェットコースターのように描かれているイメージ。" class="kids-post-image wp-image-3592" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220504-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
</div>

<h2 class="kids-heading-2"><span id="toc4"><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>や<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>はどんな<ruby><rb>仕事</rb><rt aria-hidden="true">しごと</rt></ruby>をしているの？</span></h2>
<p><ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>の<ruby><rb>通</rb><rt aria-hidden="true">とお</rt></ruby>り<ruby><rb>道</rb><rt aria-hidden="true">みち</rt></ruby>にある<strong><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby></strong>と<strong><ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby></strong>には、それぞれ<ruby><rb>驚</rb><rt aria-hidden="true">おどろ</rt></ruby>くべき<ruby><rb>特別</rb><rt aria-hidden="true">とくべつ</rt></ruby>な<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>きがあります。</p>
<p>まず<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>には「<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>」という<ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>酸</rb><rt aria-hidden="true">さん</rt></ruby>の<ruby><rb>液体</rb><rt aria-hidden="true">えきたい</rt></ruby>が<ruby><rb>入</rb><rt aria-hidden="true">はい</rt></ruby>っています。この<ruby><rb>胃液</rb><rt aria-hidden="true">いえき</rt></ruby>は<ruby><rb>金属</rb><rt aria-hidden="true">きんぞく</rt></ruby>も<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かしてしまうほど<ruby><rb>強烈</rb><rt aria-hidden="true">きょうれつ</rt></ruby>で、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>をさらにドロドロに<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かすとともに、<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>にくっついていた<ruby><rb>悪</rb><rt aria-hidden="true">わる</rt></ruby>い<ruby><rb>菌</rb><rt aria-hidden="true">きん</rt></ruby>をやっつける<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>の<ruby><rb>役割</rb><rt aria-hidden="true">やくわり</rt></ruby>も<ruby><rb>果</rb><rt aria-hidden="true">は</rt></ruby>たしています。</p>
<p>「そんなに<ruby><rb>強</rb><rt aria-hidden="true">つよ</rt></ruby>い<ruby><rb>酸</rb><rt aria-hidden="true">さん</rt></ruby>なら、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>そのものが<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けちゃうんじゃないの？」と<ruby><rb>不思議</rb><rt aria-hidden="true">ふしぎ</rt></ruby>に<ruby><rb>思</rb><rt aria-hidden="true">おも</rt></ruby>いますよね。<ruby><rb>実</rb><rt aria-hidden="true">じつ</rt></ruby>は、<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>は「<ruby><rb>胃粘液</rb><rt aria-hidden="true">いねんえき</rt></ruby>」という<ruby><rb>特別</rb><rt aria-hidden="true">とくべつ</rt></ruby>なネバネバした<ruby><rb>膜</rb><rt aria-hidden="true">まく</rt></ruby>でガードされているため、<ruby><rb>自分自身</rb><rt aria-hidden="true">じぶんじしん</rt></ruby>の<ruby><rb>胃壁</rb><rt aria-hidden="true">いへき</rt></ruby>が<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>けるのを<ruby><rb>防</rb><rt aria-hidden="true">ふせ</rt></ruby>いでいるのです。</p>
<p>そして、ドロドロになった<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>が<ruby><rb>次</rb><rt aria-hidden="true">つぎ</rt></ruby>に<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>くのが<strong><ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby></strong>です。<ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>においてもっとも<ruby><rb>大切</rb><rt aria-hidden="true">たいせつ</rt></ruby>な<ruby><rb>主役</rb><rt aria-hidden="true">しゅやく</rt></ruby>といえます。</p>
<p><ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby>の<ruby><rb>内側</rb><rt aria-hidden="true">うちがわ</rt></ruby>には、じゅうたんのようにフサフサした<strong>「<ruby><rb>柔毛</rb><rt aria-hidden="true">じゅうもう</rt></ruby>」</strong>と<ruby><rb>呼</rb><rt aria-hidden="true">よ</rt></ruby>ばれる<ruby><rb>無数</rb><rt aria-hidden="true">むすう</rt></ruby>の<ruby><rb>小</rb><rt aria-hidden="true">ちい</rt></ruby>さな<ruby><rb>突起</rb><rt aria-hidden="true">とっき</rt></ruby>が<ruby><rb>生</rb><rt aria-hidden="true">は</rt></ruby>えています。この<ruby><rb>柔毛</rb><rt aria-hidden="true">じゅうもう</rt></ruby>の<ruby><rb>表面積</rb><rt aria-hidden="true">ひょうめんせき</rt></ruby>をすべて<ruby><rb>広</rb><rt aria-hidden="true">ひろ</rt></ruby>げるとなんと<strong>テニスコート1<ruby><rb>面分</rb><rt aria-hidden="true">めんぶん</rt></ruby></strong>もの<ruby><rb>広</rb><rt aria-hidden="true">ひろ</rt></ruby>さになります！</p>
<p>この<ruby><rb>広大</rb><rt aria-hidden="true">こうだい</rt></ruby>なフサフサの<ruby><rb>壁</rb><rt aria-hidden="true">かべ</rt></ruby>があるおかげで、<ruby><rb>流</rb><rt aria-hidden="true">なが</rt></ruby>れてくる<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>から<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>を<ruby><rb>一粒</rb><rt aria-hidden="true">ひとつぶ</rt></ruby>も<ruby><rb>逃</rb><rt aria-hidden="true">のが</rt></ruby>さず<ruby><rb>効率</rb><rt aria-hidden="true">こうりつ</rt></ruby>よく<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>できるのです。</p>
<p><ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby>で<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>をたっぷり<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>されたあと、<ruby><rb>最後</rb><rt aria-hidden="true">さいご</rt></ruby>に<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>くのが<strong><ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby></strong>です。<ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby>は<ruby><rb>余分</rb><rt aria-hidden="true">よぶん</rt></ruby>な<ruby><rb>水分</rb><rt aria-hidden="true">すいぶん</rt></ruby>をしっかりと<ruby><rb>吸</rb><rt aria-hidden="true">す</rt></ruby>い<ruby><rb>取</rb><rt aria-hidden="true">と</rt></ruby>り、<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>った<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べかすをほどよい<ruby><rb>硬</rb><rt aria-hidden="true">かた</rt></ruby>さのうんちにして<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>外</rb><rt aria-hidden="true">そと</rt></ruby>へ<ruby><rb>送</rb><rt aria-hidden="true">おく</rt></ruby>り<ruby><rb>出</rb><rt aria-hidden="true">だ</rt></ruby>します。</p>

<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00558-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">テニスコート1<ruby><rb>面分</rb><rt aria-hidden="true">めんぶん</rt></ruby>！？すげー<ruby><rb>広</rb><rt aria-hidden="true">ひろ</rt></ruby>さだな！これなら<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>を<ruby><rb>一粒</rb><rt aria-hidden="true">ひとつぶ</rt></ruby>も<ruby><rb>逃</rb><rt aria-hidden="true">のが</rt></ruby>さずキャッチできるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">よく<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べると<ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>や<ruby><rb>腸</rb><rt aria-hidden="true">ちょう</rt></ruby>の<ruby><rb>負担</rb><rt aria-hidden="true">ふたん</rt></ruby>が<ruby><rb>減</rb><rt aria-hidden="true">へ</rt></ruby>って、<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>をさらにしっかり<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>できるようになるわよ。</p>
  </div>
</div>


<div class="kids-image-wrapper" style="margin: 28px 0; text-align: center;">
  <img decoding="async" width="1376" height="768" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517.jpg" alt="小腸の内側にあるフサフサした「じゅうもう」が、キラキラ光る栄養の粒をキャッチしているイメージ。" class="kids-post-image wp-image-3593" style="max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 14px rgba(0,0,0,0.08);" srcset="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517.jpg 1376w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517-300x167.jpg 300w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517-1024x572.jpg 1024w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517-768x429.jpg 768w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517-240x135.jpg 240w, https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2026/07/blog_image_20260712220517-320x180.jpg 320w" sizes="(max-width: 1376px) 100vw, 1376px" />
</div>

<h2 class="kids-heading-2"><span id="toc5">まとめ</span></h2>

<div class="kids-blackboard-box" style="background: #1c3d2e; border: 8px solid #a16207; border-radius: 14px; padding: 22px 26px; margin: 28px 0; color: #ffffff; box-shadow: 0 6px 18px rgba(0,0,0,0.18); position: relative;">
  <div style="text-align: center; border-bottom: 2px dashed #86efac; padding-bottom: 10px; margin-bottom: 16px; font-weight: bold; font-size: 20px; color: #fef08a; letter-spacing: 1px;">&#x1f4dd; <ruby><rb>今日</rb><rt aria-hidden="true">きょう</rt></ruby>のまとめノート</div>
  <div class="kids-blackboard-content">
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><strong><ruby><rb>消化</rb><rt aria-hidden="true">しょうか</rt></ruby>の<ruby><rb>役目</rb><rt aria-hidden="true">やくめ</rt></ruby></strong>: <ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたものを<ruby><rb>極小</rb><rt aria-hidden="true">ごくしょう</rt></ruby>の<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>ブロックに<ruby><rb>分解</rb><rt aria-hidden="true">ぶんかい</rt></ruby>して<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>に<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>すること</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><strong>1<ruby><rb>本</rb><rt aria-hidden="true">ぽん</rt></ruby>のくだ</strong>: <ruby><rb>口</rb><rt aria-hidden="true">くち</rt></ruby>からお<ruby><rb>尻</rb><rt aria-hidden="true">しり</rt></ruby>まで<ruby><rb>続</rb><rt aria-hidden="true">つづ</rt></ruby>く<ruby><rb>消化管</rb><rt aria-hidden="true">しょうかかん</rt></ruby>は<ruby><rb>約</rb><rt aria-hidden="true">やく</rt></ruby>9メートルもの<ruby><rb>長</rb><rt aria-hidden="true">なが</rt></ruby>さがある</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><strong><ruby><rb>胃</rb><rt aria-hidden="true">い</rt></ruby>の<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>き</strong>: <ruby><rb>強力</rb><rt aria-hidden="true">きょうりょく</rt></ruby>な<ruby><rb>胃酸</rb><rt aria-hidden="true">いさん</rt></ruby>で<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べ<ruby><rb>物</rb><rt aria-hidden="true">もの</rt></ruby>を<ruby><rb>溶</rb><rt aria-hidden="true">と</rt></ruby>かし<ruby><rb>殺菌</rb><rt aria-hidden="true">さっきん</rt></ruby>し、<ruby><rb>胃粘液</rb><rt aria-hidden="true">いねんえき</rt></ruby>の<ruby><rb>膜</rb><rt aria-hidden="true">まく</rt></ruby>で<ruby><rb>自分</rb><rt aria-hidden="true">じぶん</rt></ruby>を<ruby><rb>守</rb><rt aria-hidden="true">まも</rt></ruby>る</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><strong><ruby><rb>小腸</rb><rt aria-hidden="true">しょうちょう</rt></ruby>の<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>き</strong>: テニスコート1<ruby><rb>面分</rb><rt aria-hidden="true">めんぶん</rt></ruby>の<ruby><rb>柔毛</rb><rt aria-hidden="true">じゅうもう</rt></ruby>で、<ruby><rb>栄養</rb><rt aria-hidden="true">えいよう</rt></ruby>を<ruby><rb>一粒</rb><rt aria-hidden="true">ひとつぶ</rt></ruby><ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>さず<ruby><rb>吸収</rb><rt aria-hidden="true">きゅうしゅう</rt></ruby>する</span>
  </div>
  <div style="display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; font-size: 17px; line-height: 1.85; color: #f8fafc;">
    <span style="color: #86efac; font-size: 18px; flex-shrink: 0; line-height: 1.7;">・</span>
    <span><strong><ruby><rb>大腸</rb><rt aria-hidden="true">だいちょう</rt></ruby>の<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>き</strong>: <ruby><rb>水分</rb><rt aria-hidden="true">すいぶん</rt></ruby>を<ruby><rb>吸</rb><rt aria-hidden="true">す</rt></ruby>い<ruby><rb>取</rb><rt aria-hidden="true">と</rt></ruby>って<ruby><rb>残</rb><rt aria-hidden="true">のこ</rt></ruby>りのカスをうんちとしてまとめる</span>
  </div>
  </div>
  <div style="position: absolute; bottom: 8px; right: 14px; font-size: 18px; opacity: 0.8;">&#x1f58d;&#xfe0f; &#x270f;&#xfe0f;</div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row-reverse;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00558-3365276621.png" alt="はると" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">はると</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #f0fdf4; border: 2px solid #bbf7d0; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; right: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #bbf7d0; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; right: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-left: 10px solid #f0fdf4; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;"><ruby><rb>俺</rb><rt aria-hidden="true">おれ</rt></ruby>が<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べたごはんがこんなに<ruby><rb>頑張</rb><rt aria-hidden="true">がんば</rt></ruby>って<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>に<ruby><rb>届</rb><rt aria-hidden="true">とど</rt></ruby>いていたんだな！<ruby><rb>今日</rb><rt aria-hidden="true">きょう</rt></ruby>からしっかり<ruby><rb>噛</rb><rt aria-hidden="true">か</rt></ruby>んで<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べるぜ！</p>
  </div>
</div>


<div class="kids-balloon-wrap" style="display: flex; align-items: flex-start; margin: 24px 0; gap: clamp(10px, 2.5vw, 16px); flex-direction: row;">
  <div class="kids-balloon-person" style="display: flex; flex-direction: column; align-items: center; width: clamp(70px, 15vw, 92px); min-width: clamp(70px, 15vw, 92px); flex-shrink: 0;">
    <div class="kids-balloon-icon" style="width: clamp(68px, 14vw, 88px); height: clamp(68px, 14vw, 88px); min-width: clamp(68px, 14vw, 88px); min-height: clamp(68px, 14vw, 88px); border-radius: 50%; border: 3px solid #e2e8f0; overflow: hidden; background-color: #fff; box-shadow: 0 3px 8px rgba(0,0,0,0.08);">
      <img decoding="async" src="https://xn--u8jvc1drbs3196d17at04j.com/wp-content/uploads/2023/05/00653-564574306-1.jpg" alt="ひまり" style="width: 100%; height: 100%; object-fit: cover; object-position: center 25%; display: block; margin: 0; padding: 0;"/>
    </div>
    <div class="kids-balloon-name" style="font-size: clamp(12px, 1.8vw, 14px); font-weight: bold; color: #475569; margin-top: 5px; text-align: center;">ひまり</div>
  </div>
  <div class="kids-balloon-content" style="position: relative; background: #fffbeb; border: 2px solid #fde68a; border-radius: 14px; padding: clamp(12px, 2.5vw, 18px) clamp(14px, 3vw, 22px); font-size: inherit; flex: 1; max-width: 82%; box-shadow: 0 2px 8px rgba(0,0,0,0.04);">
    <span class="kids-tail-border" style="position: absolute; top: 26px; left: -10px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fde68a; display: block;"></span><span class="kids-tail-bg" style="position: absolute; top: 26px; left: -7px; width: 0; height: 0; border-top: 8px solid transparent; border-bottom: 8px solid transparent; border-right: 10px solid #fffbeb; display: block;"></span>
    <p style="margin: 0; padding: 0; line-height: 1.8; color: #334155; font-size: inherit;">ふふ、<ruby><rb>体</rb><rt aria-hidden="true">からだ</rt></ruby>の<ruby><rb>中</rb><rt aria-hidden="true">なか</rt></ruby>のすごい<ruby><rb>働</rb><rt aria-hidden="true">はたら</rt></ruby>きに<ruby><rb>感謝</rb><rt aria-hidden="true">かんしゃ</rt></ruby>しながら、<ruby><rb>毎日</rb><rt aria-hidden="true">まいにち</rt></ruby>バランスよく<ruby><rb>食</rb><rt aria-hidden="true">た</rt></ruby>べて<ruby><rb>元気</rb><rt aria-hidden="true">げんき</rt></ruby>に<ruby><rb>過</rb><rt aria-hidden="true">す</rt></ruby>ごしましょうね！</p>
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