@charset "utf-8";
  :root{
    --bg: #F6F4EC;
    --bg-card: #FFFFFF;
    --bg-soft: #EFEBDC;
    --ink: #1A1A1A;
    --ink-muted: #6B6B6B;
    --ink-faint: #9A9A9A;
    --line: #DDD8C8;
    --red: #C93F1A;
    --yellow: #E8C13B;
    --green: #3F8A47;
    --blue: #2C5DA8;
    --dark: #111111;
  }

  *{ box-sizing: border-box; margin: 0; padding: 0; }

  html{ scroll-behavior: smooth; }

  body{
    font-family: "Hiragino Mincho ProN", "Hiragino Mincho Pro", "Yu Mincho", "YuMincho", "MS PMincho", "Times New Roman", serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
  }

  /* ───────── HEADER (nav) ───────── */
  header{
    position: sticky; top: 0; z-index: 50;
    background: rgba(246,244,236,0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
  }
  .nav{
    max-width: 1200px; margin: 0 auto;
    padding: 22px 40px;
    display: flex; justify-content: space-between; align-items: center;
  }
  .logo{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-decoration: none;
    color: var(--ink);
  }
  .logo-img{
    width: 44px;
    height: auto;
    display: block;
  }
  .logo-text{
    position: relative;
    top: 1px;
  }
  .logo sup{ font-size: 9px; color: var(--ink-muted); }
  .nav ul{
    list-style: none; display: flex; gap: 36px;
    font-size: 14px;
  }
  .nav a{
    color: var(--ink); text-decoration: none;
    padding-bottom: 3px; border-bottom: 1.5px solid transparent;
    transition: border-color .2s;
  }
  .nav a:hover{ border-bottom-color: var(--ink); }

  /* ───────── HERO (slide 1) ───────── */
  .hero{
    max-width: 1200px; margin: 0 auto;
    padding: 120px 40px 40px;
  }
  .hero h1{
    font-size: 88px; font-weight: 500;
    letter-spacing: 0.04em;
    line-height: 1.15;
    margin-bottom: 18px;
  }
  .hero .lede{
    font-size: 22px; color: var(--ink-muted);
    margin-bottom: 90px;
    letter-spacing: 0.06em;
  }
  .hero .tagline{
    font-size: 56px; font-weight: 500;
    line-height: 1.55; letter-spacing: 0.06em;
  }
  .hero .tagline-link{
    color: inherit;
    text-decoration: none;
    transition: opacity .2s;
  }
  .hero .tagline-link:hover{ opacity: 0.7; }
  .hero .tagline-link::after{
    content: " →";
    font-size: 1.2em;
    color: var(--ink-muted);
    margin-left: 0.3em;
	font-weight:bold;
    letter-spacing: 0;
  }
  .hero .pitch-label{
    margin: 20px 0 20px;
    font-family: "Courier New", monospace;
    font-size: 13px; color: var(--ink-faint);
    letter-spacing: 0.4em;
  }

  /* ───────── SECTION base ───────── */
  section{
    max-width: 1200px; margin: 0 auto;
    padding: 100px 40px;
    border-top: 1px solid var(--line);
  }
  section h2{
    font-size: 52px; font-weight: 500;
    letter-spacing: 0.04em; line-height: 1.4;
    margin-bottom: 16px;
  }
  section .sub{
    font-size: 17px; color: var(--ink-muted);
    margin-bottom: 60px; max-width: 800px;
  }
  section .footnote{
    margin-top: 50px;
    font-size: 14px; color: var(--ink-muted);
    font-style: italic;
  }

  /* ───────── SLIDE 2: 仕組み 3 cards ───────── */
  .cards-3{
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  }
  .card-step{
    background: var(--bg-card);
    padding: 36px 32px 40px;
    border-left: 4px solid var(--red);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  }
  .card-step:nth-child(2){ border-left-color: var(--yellow); }
  .card-step:nth-child(3){ border-left-color: var(--green); }
  .card-step .num{
    font-family: "Courier New", monospace;
    font-size: 14px; letter-spacing: 0.3em;
    color: var(--red); font-weight: 700;
    margin-bottom: 22px;
  }
  .card-step:nth-child(2) .num{ color: var(--yellow); }
  .card-step:nth-child(3) .num{ color: var(--green); }
  .card-step h3{
    font-size: 22px; font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 18px;
  }
  .card-step p{
    font-size: 14px; color: var(--ink-muted); line-height: 1.8;
  }

  /* ───────── SLIDE 3: なぜ、いま — split layout ───────── */
  .why{
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
    align-items: stretch;
  }
#why h3{
	font-size: 36px;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 50px;
    line-height: 1.4;
}
  .why-left{
    background: var(--bg-soft);
    padding: 60px 50px;
    display: flex; flex-direction: column; justify-content: space-between;
    min-height: 420px;
  }
  .why-left .big-q{
    font-size: 56px; font-weight: 500;
    line-height: 1.4; letter-spacing: 0.04em;
  }
  .why-left .note{
    font-size: 13px; color: var(--ink-muted);
    line-height: 2;
  }
  .why-right{ display: flex; flex-direction: column; gap: 38px; padding-top: 8px; }
  .why-row{ display: flex; gap: 18px; }
  .why-dot{
    width: 14px; height: 14px; border-radius: 50%;
    flex-shrink: 0; margin-top: 8px;
  }
  .why-dot.red{ background: var(--red); }
  .why-dot.yellow{ background: var(--yellow); }
  .why-dot.blue{ background: var(--blue); }
  .why-row h4{
    font-size: 17px; font-weight: 500; letter-spacing: 0.04em;
    margin-bottom: 12px;
  }
  .why-row p{
    font-size: 13px; color: var(--ink-muted); line-height: 1.9;
  }

  /* ───────── SLIDE 4: 作品 ───────── */
  .works{
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  }
  .work{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 28px;
    display: grid; grid-template-columns: 200px 1fr; gap: 28px;
    align-items: center;
  }
  .work-img{
    width: 200px; height: 200px;
    background: #FFFFFF;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    border: 1px solid var(--line);
  }
  .work-img img{
    width: 100%; height: 100%;
    object-fit: contain;
    background: #FFFFFF;
  }
  .work h4{
    font-size: 22px; font-weight: 500; letter-spacing: 0.04em;
    margin-bottom: 14px;
  }
  .work p{
    font-size: 13px; color: var(--ink-muted); line-height: 1.8;
  }

  /* second tier: 他の実例 */
  .works-sub-h{
    margin-top: 80px;
    font-size: 32px; font-weight: 500;
    letter-spacing: 0.04em; line-height: 1.4;
    margin-bottom: 16px;
  }
  .works-grid{
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  }
  .work-card{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 20px;
    display: flex; flex-direction: column;
  }
  .work-card-img{
    width: 100%; aspect-ratio: 1 / 1;
    background: #FFFFFF;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    border: 1px solid var(--line);
    margin-bottom: 18px;
  }
  .work-card-img img{
    width: 100%; height: 100%;
    object-fit: contain;
    background: #FFFFFF;
  }
  .work-card h4{
    font-size: 16px; font-weight: 500; letter-spacing: 0.04em;
    margin-bottom: 10px;
  }
  .work-card p{
    font-size: 12px; color: var(--ink-muted); line-height: 1.8;
  }

  /* ───────── SLIDE 5: 何に使えるか — 6 grid ───────── */
  .uses{
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  }
  .use{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 32px 28px 36px;
    min-height: 160px;
  }
  .use h4{
    font-size: 18px; font-weight: 500; letter-spacing: 0.05em;
    margin-bottom: 18px;
  }
  .use p{
    font-size: 13px; color: var(--ink-muted); line-height: 1.8;
  }

  /* ───────── PRICE GRID(ライセンス制) ───────── */
  .price-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 24px;
  }
  .price-card{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 36px 32px 36px;
    display: flex; flex-direction: column;
    position: relative;
  }
  .price-label{
    font-family: "Courier New", monospace;
    font-size: 13px;
    letter-spacing: 0.3em;
    font-weight: 700;
    color: var(--red);
    margin-bottom: 22px;
  }
  .price-card:nth-child(2) .price-label{ color: var(--yellow); }
  .price-card:nth-child(3) .price-label{ color: var(--green); }
  .price-value{
    margin-bottom: 28px;
    line-height: 1;
    display: flex; align-items: baseline; gap: 4px;
  }
  .price-value .num{
    font-size: 56px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--ink);
  }
  .price-value .unit{
    font-size: 16px;
    color: var(--ink-muted);
    letter-spacing: 0.04em;
  }
  .price-list{
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex; flex-direction: column; gap: 12px;
  }
  .price-list li{
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.7;
    letter-spacing: 0.02em;
  }
  .price-list li strong{
    color: var(--ink);
    font-weight: 500;
  }
  .price-list li.use-line{
    color: var(--ink);
    padding-top: 4px;
  }

  /* ───────── SLIDE 6: dark — 「子どもを使って…」 ───────── */
  .stance{
    background: var(--dark);
    color: #FFFFFF;
    padding: 120px 40px;
    margin: 0; max-width: none;
    border: none;
  }
  .stance-inner{
    max-width: 1120px; margin: 0 auto;
  }
  .stance .quote{
    font-size: 60px; font-weight: 500;
    line-height: 1.5; letter-spacing: 0.04em;
    color: #FFFFFF;
    margin-bottom: 28px;
    margin-left: -28px;
  }
  .stance .quote-line{
    width: 280px; height: 3px; background: var(--red);
    margin-bottom: 50px;
  }
  .stance .answer{
    font-size: 48px; font-weight: 500;
    margin-bottom: 30px; letter-spacing: 0.06em;
  }
  .stance .answer-note{
    font-size: 16px; color: #B5B5B5;
  }

  /* ───────── SLIDE 7: contact ───────── */
  .contact{
    text-align: center;
    padding: 130px 40px 80px;
  }
  .contact h2{
    font-size: 56px; font-weight: 500; letter-spacing: 0.08em;
    margin-bottom: 28px;
  }
  .contact h3{
    padding: 100px 0 20px;
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    line-height: 1.5;
	color:#555;
  }
@media (max-width: 820px) {
	.const-article h4 {
		font-size: 19px;
	}
}
  .contact p{
    font-size: 16px; color: var(--ink-muted); line-height: 2;
    margin-bottom: 50px;
  }
  .btn{
    display: inline-block;
    background: var(--dark); color: #FFFFFF;
    padding: 22px 70px;
    font-size: 14px; letter-spacing: 0.4em;
    text-decoration: none;
    transition: background .2s;
  }
  .btn:hover{ background: #333333; }

  /* ───────── FOOTER ───────── */
  footer{
    border-top: 1px solid var(--line);
    padding: 50px 40px 40px;
  }
  .foot-inner{
    max-width: 1200px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
    align-items: start;
  }
  .foot-brand .name{
    font-size: 18px; font-weight: 500; letter-spacing: 0.06em;
    margin-bottom: 10px;
  }
  .foot-brand .name sup{ font-size: 9px; color: var(--ink-muted); }
  .foot-brand .since{
    font-style: italic;
    font-size: 14px; color: var(--ink-muted);
  }
  .foot-links{
    display: flex; gap: 30px; justify-content: flex-end;
    flex-wrap: wrap;
    font-size: 13px;
  }
  .foot-links a{
    color: var(--ink-muted); text-decoration: none;
  }
  .foot-links a:hover{ color: var(--ink); }
  .copy{
    max-width: 1200px; margin: 40px auto 0;
    font-size: 11px; color: var(--ink-faint);
    letter-spacing: 0.1em;
  }

  /* ───────── responsive ───────── */
  @media (max-width: 900px){
    .hero{ padding: 70px 24px 90px; }
    .hero h1{ font-size: 56px; }
    .hero .tagline{ font-size: 32px; }
    .hero .lede{ font-size: 18px; margin-bottom: 60px; }
    section{ padding: 70px 24px; }
    section h2{ font-size: 36px; }
    .cards-3, .uses, .works, .price-grid{ grid-template-columns: 1fr; }
    .price-value .num{ font-size: 48px; }
    .works-grid{ grid-template-columns: 1fr 1fr; }
    .work{ grid-template-columns: 140px 1fr; gap: 18px; padding: 20px; }
    .work-img{ width: 140px; height: 140px; }
    .works-sub-h{ font-size: 26px; margin-top: 60px; }
    .why{ grid-template-columns: 1fr; gap: 40px; }
    .why-left .big-q{ font-size: 38px; }
    .stance{ padding: 80px 24px; }
    .stance .quote{ font-size: 36px; }
    .stance .answer{ font-size: 32px; }
    .contact h2{ font-size: 36px; }
    .nav{ padding: 16px 20px; }
    .nav ul{ gap: 18px; font-size: 13px; }
    .logo{ font-size: 14px; gap: 8px; }
    .logo-img{ width: 36px; }
    .foot-inner{ grid-template-columns: 1fr; }
    .foot-links{ justify-content: flex-start; }
  }

  /* ───────── タブレット縦 / 小型タブレット ───────── */
  @media (max-width: 640px){
    .nav{ padding: 14px 18px; flex-wrap: wrap; gap: 10px; }
    .nav ul{ gap: 14px; font-size: 12px; flex-wrap: wrap; }

    .hero{ padding: 56px 20px 76px; }
    .hero h1{ font-size: 44px; line-height: 1.18; letter-spacing: 0.02em; }
    .hero .lede{ font-size: 16px; margin-bottom: 48px; letter-spacing: 0.04em; }
    .hero .tagline{ font-size: 26px; line-height: 1.5; }
    .hero .pitch-label{ margin-top: 60px; font-size: 11px; letter-spacing: 0.3em; }

    section{ padding: 56px 20px; }
    section h2{ font-size: 30px; line-height: 1.35; letter-spacing: 0.02em; }

    /* 実例:画像を上、テキスト下に積む */
    .work{ grid-template-columns: 1fr; gap: 16px; padding: 18px; }
    .work-img{ width: 100%; height: auto; aspect-ratio: 1 / 1; }
    .works-grid{ grid-template-columns: 1fr 1fr; gap: 14px; }
    .work-card{ padding: 14px; }
    .work-card h4{ font-size: 15px; }
    .works-sub-h{ font-size: 22px; margin-top: 50px; }

    .why-left .big-q{ font-size: 30px; line-height: 1.35; }

    .stance{ padding: 64px 20px; }
    .stance .quote{ font-size: 28px; }
    .stance .quote-line{ width: 200px; height: 2.5px; margin-bottom: 36px; }
    .stance .answer{ font-size: 26px; }

    .contact{ padding: 80px 20px; }
    .contact h2{ font-size: 30px; letter-spacing: 0.05em; }
    .contact p{ font-size: 15px; margin-bottom: 36px; }
    .btn{ padding: 18px 48px; font-size: 13px; letter-spacing: 0.3em; }

    .price-card{ padding: 28px 24px; }
    .price-value .num{ font-size: 44px; }

    .reason-section h3{ font-size: 24px; }

    footer{ padding: 36px 20px 28px; }
    .foot-links{ gap: 18px 22px; font-size: 12px; }
  }

  /* ───────── スマホ ───────── */
  @media (max-width: 480px){
    .nav{ padding: 12px 16px; }
    .nav ul{ gap: 10px 14px; font-size: 11.5px; }
    .logo{ font-size: 13px; }
    .logo-img{ width: 30px; }

    .hero{ padding: 44px 18px 64px; }
    .hero h1{ font-size: 34px; }
    .hero .lede{ font-size: 14.5px; margin-bottom: 40px; }
    .hero .tagline{ font-size: 21px; line-height: 1.55; }
    .hero .pitch-label{ margin-top: 48px; font-size: 10.5px; }

    section{ padding: 48px 18px; }
    section h2{ font-size: 24px; }

    .works-grid{ grid-template-columns: 1fr; }
    .works-sub-h{ font-size: 19px; }

    .why-left .big-q{ font-size: 24px; }

    .stance{ padding: 56px 18px; }
    .stance .quote{ font-size: 22px; }
    .stance .answer{ font-size: 21px; }

    .contact{ padding: 64px 18px; }
    .contact h2{ font-size: 24px; }
    .btn{ padding: 16px 36px; font-size: 12px; letter-spacing: 0.25em; }

    .price-value .num{ font-size: 38px; }

    .reason-section h3{ font-size: 20px; }
  }

  /* ───────── PRINT(印刷・PDF両用) ───────── */
  @media print{
    /* 用紙設定 A4縦・10mm余白(両面想定で内側広め) */
    @page{
      size: A4 portrait;
      margin: 14mm 12mm;
    }

    /* ベースリセット:インク節約・はっきり読める明朝 */
    *{
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
      box-shadow: none !important;
      text-shadow: none !important;
    }
    html, body{
      background: #FFFFFF !important;
      color: #000000;
      font-size: 10.5pt;
      line-height: 1.7;
    }

    /* sticky header と footer のリンク群を非表示 */
    header,
    .foot-links{
      display: none !important;
    }

    /* レイアウト:画面用の大きな余白を圧縮 */
    .hero,
    section,
    .stance{
      max-width: none;
      padding: 18mm 0 14mm;
      margin: 0;
      border-top: 1px solid #BBBBBB;
      page-break-inside: avoid;
      break-inside: avoid;
    }
    .hero{
      border-top: none;
      padding-top: 6mm;
      padding-bottom: 14mm;
    }

    /* タイポグラフィ:画面の巨大文字を紙サイズに */
    .hero h1{ font-size: 36pt; margin-bottom: 6mm; }
    .hero .lede{ font-size: 13pt; margin-bottom: 14mm; color: #333333; }
    .hero .tagline{ font-size: 22pt; line-height: 1.5; }
    .hero .pitch-label{ margin-top: 12mm; font-size: 9pt; color: #666666; }

    section h2{ font-size: 20pt; margin-bottom: 4mm; }
    section .sub{ font-size: 11pt; color: #333333; margin-bottom: 8mm; }
    section .footnote{ font-size: 9pt; color: #555555; margin-top: 6mm; }

    /* セクション境目で改ページ(意味の単位を保つ) */
    section,
    .stance{
      page-break-before: auto;
    }
    #relay,
    #why,
    #works,
    #uses,
    #pricing,
    .stance,
    #constitution,
    #contact{
      page-break-before: always;
      break-before: page;
    }

    /* カード類:途中で割れない */
    .card-step,
    .why-row,
    .work,
    .work-card,
    .use,
    .price-card,
    .const-article,
    .reason-card{
      page-break-inside: avoid;
      break-inside: avoid;
    }

    /* グリッドは紙でも維持(つぶれないサイズで) */
    .cards-3{ gap: 4mm; }
    .uses{ gap: 3mm; }
    .price-grid{ gap: 4mm; }
    .reason-grid{ gap: 4mm; }
    .const-grid{ gap: 4mm; }
    .works-grid{ gap: 4mm; }
    .works{ gap: 4mm; grid-template-columns: 1fr 1fr; }

    /* カードの内側余白も紙サイズに圧縮 */
    .card-step,
    .work,
    .work-card,
    .use,
    .price-card,
    .const-article,
    .reason-card{
      padding: 6mm 5mm;
      border: 1px solid #BBBBBB;
      background: #FFFFFF !important;
    }

    .card-step h3,
    .work h4,
    .const-article h4,
    .reason-card h4{ font-size: 12pt; margin-bottom: 3mm; }
    .work-card h4{ font-size: 10pt; }
    .use h4, .price-label{ font-size: 10pt; }
    .card-step p,
    .work p,
    .use p,
    .why-row p,
    .const-article p,
    .reason-card p{ font-size: 9.5pt; color: #333333; line-height: 1.6; }

    /* 価格カード:数字を紙でも読みやすく */
    .price-value .num{ font-size: 26pt; }
    .price-value .unit{ font-size: 11pt; }
    .price-list li{ font-size: 9.5pt; color: #333333; }

    /* dark stance:背景反転(インク消費・印字不良を回避) */
    .stance{
      background: #FFFFFF !important;
      color: #000000 !important;
      padding: 18mm 0;
      border-top: 1px solid #BBBBBB;
    }
    .stance-inner{ max-width: none; }
    .stance .quote{ font-size: 22pt; color: #000000 !important; }
    .stance .quote-line{ background: #C93F1A; width: 50mm; height: 1.5pt; }
    .stance .answer{ font-size: 18pt; color: #000000 !important; }
    .stance .answer-note{ color: #555555 !important; font-size: 10pt; }

    /* 憲法セクション:前文ボックスの背景は薄く */
    .const-preamble{ background: #F4F2EA !important; padding: 8mm 6mm; }
    .const-preamble p{ font-size: 11pt; line-height: 1.8; }
    .const-preamble-label{ background: #000000; color: #FFFFFF; }
    .const-judge-col{ background: #F8F7F1 !important; padding: 5mm; }
    .const-judge li{ font-size: 9pt; }

    /* why セクション */
    .why-left{ background: #F4F2EA !important; padding: 8mm 7mm; min-height: auto; }
    .why-left .big-q{ font-size: 22pt; line-height: 1.4; }
    .why-left .note{ font-size: 9.5pt; line-height: 1.8; }

    /* 画像:解像度を尊重しつつ枠内に収める */
    img{
      max-width: 100%;
      height: auto;
      page-break-inside: avoid;
    }
    .work-img, .work-card-img{ background: #FFFFFF !important; }

    /* contact:ボタンは紙では飾り枠に */
    .contact{ text-align: center; padding: 18mm 0; }
    .contact h2{ font-size: 22pt; }
    .contact p{ font-size: 11pt; color: #333333; }
    .btn{
      background: #FFFFFF !important;
      color: #000000 !important;
      border: 1.5px solid #000000;
      padding: 4mm 14mm;
      font-size: 9pt;
    }

    /* footer:紙では簡素に */
    footer{ padding: 10mm 0 0; border-top: 1px solid #BBBBBB; page-break-before: avoid; }
    .foot-inner{ display: block; }
    .foot-brand .name{ font-size: 10pt; }
    .foot-brand .since{ font-size: 9pt; }
    .copy{ font-size: 8pt; margin-top: 4mm; }

    /* リンクの下線・URL末尾表示は無効(本文に紛れて読みにくくなるため) */
    a{ color: inherit !important; text-decoration: none !important; }
    a[href]:after{ content: none !important; }
  }

/* ───── ちびアート憲法 セクション専用スタイル ───── */

  #constitution{
    /* base section の余白・border-top は既存ルールで適用される */
  }

  /* 前文 */
  .const-preamble{
    background: var(--bg-soft);
    padding: 60px 50px;
    margin-bottom: 60px;
    position: relative;
  }
  .const-preamble-label{
    position: absolute;
    top: -14px; left: 30px;
    background: var(--dark);
    color: #FFFFFF;
    font-size: 12px;
    letter-spacing: 0.4em;
    padding: 6px 18px;
    font-family: "Courier New", monospace;
  }
  .const-preamble p{
    font-size: 19px;
    line-height: 2.1;
    letter-spacing: 0.04em;
    color: var(--ink);
  }

  /* 条文グリッド */
  .const-grid{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .const-article{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 36px 32px 32px;
    position: relative;
  }

  .const-article--wide{
    grid-column: 1 / -1;
  }

  .const-num{
    font-family: "Courier New", monospace;
    font-size: 13px;
    letter-spacing: 0.3em;
    font-weight: 700;
    margin-bottom: 18px;
  }
  .const-num.red{ color: var(--red); }
  .const-num.yellow{ color: var(--yellow); }
  .const-num.green{ color: var(--green); }
  .const-num.blue{ color: var(--blue); }

  .const-article h4{
    font-size: 22px;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    line-height: 1.5;
  }

  .const-article p{
    font-size: 14px;
    color: var(--ink-muted);
    line-height: 1.9;
  }

  /* 第6条の判断ボックス */
  .const-judge{
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .const-judge-col{
    padding: 24px 22px;
    background: var(--bg);
  }

  .const-judge-col--ok{ border-left: 3px solid var(--green); }
  .const-judge-col--ng{ border-left: 3px solid var(--red); }

  .const-judge-h{
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
  }
  .const-judge-col--ok .const-judge-h{ color: var(--green); }
  .const-judge-col--ng .const-judge-h{ color: var(--red); }

  .const-judge ul{
    list-style: none;
    padding: 0;
  }

  .const-judge li{
    font-size: 13px;
    color: var(--ink);
    line-height: 1.8;
    padding: 3px 0;
  }

  /* レスポンシブ */
  @media (max-width: 820px){
    .const-grid{ grid-template-columns: 1fr; }
    .const-article--wide{ grid-column: 1; }
    .const-judge{ grid-template-columns: 1fr; }
    .const-preamble{ padding: 44px 28px; }
    .const-preamble p{ font-size: 16px; }
    .const-preamble p br{ display: none; }
    .const-article{ padding: 28px 24px; }
    .const-article h4{ font-size: 19px; }
  }

  /* ─ NG欄の注釈(改定版で追加) ─ */
  .const-note{
    font-size: 11px;
    color: var(--ink-faint);
    margin-top: 14px;
    line-height: 1.7;
  }

  /* ─ 「なぜちびアートを選ぶのか」3カード(改定版で追加) ─ */
  .reason-section{
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid var(--line);
  }
  .reason-section h3{
    font-size: 36px;
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 50px;
    line-height: 1.4;
  }
  .reason-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .reason-card{
    background: var(--bg-card);
    border: 1px solid var(--line);
    padding: 36px 30px 32px;
  }
  .reason-card .label{
    font-family: "Courier New", monospace;
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--red);
    font-weight: 700;
    margin-bottom: 18px;
  }
  .reason-card:nth-child(2) .label{ color: var(--yellow); }
  .reason-card:nth-child(3) .label{ color: var(--green); }
  .reason-card h4{
    font-size: 20px;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.03em;
    margin-bottom: 16px;
  }
  .reason-card p{
    font-size: 13.5px;
    color: var(--ink-muted);
    line-height: 2;
  }
  @media (max-width: 820px){
    .reason-section{ margin-top: 70px; padding-top: 50px; }
    .reason-section h3{ font-size: 26px; }
    .reason-grid{ grid-template-columns: 1fr; }
  }