@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@500;700;800&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root{
    --ink:#1A241F;
    --ink-soft:#3E4A43;
    --paper:#F6F4EC;
    --paper-deep:#EFEBDD;
    --mist-1:#3F5A63;
    --mist-2:#24343A;
    --mist-3:#D7DED6;
    --hare:#B5531E;
    --hare-soft:#F3D9C2;
    --ke:#28644A;
    --ke-soft:#D8E7DC;
    --rope:#C08A3E;
    --rope-deep:#8C6329;
    --line:#D9D3BE;
    --shadow: 0 20px 50px -25px rgba(26,36,31,0.35);
    --maxw: 1120px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Zen Kaku Gothic New', sans-serif;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.serif{
    font-family:'Shippori Mincho', serif;
    letter-spacing:.02em;
    color:var(--ink);
    margin:0;
  }
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
  section{position:relative;}
  a{color:inherit;}
  img,svg{display:block; max-width:100%;}
  .eyebrow{
    display:inline-flex; align-items:center; gap:.5em;
    font-size:13px; font-weight:700; letter-spacing:.22em;
    color:var(--ink-soft); text-transform:uppercase;
    margin-bottom:18px;
  }
  .eyebrow::before{content:""; width:22px; height:1px; background:var(--rope-deep); display:inline-block;}
  .btn{
    display:inline-flex; align-items:center; gap:10px;
    padding:16px 30px; border-radius:999px;
    font-weight:700; font-size:15.5px; letter-spacing:.02em;
    text-decoration:none !important; border:1.5px solid transparent; cursor:pointer;
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  }
  .btn-primary{ background:var(--ink); color:var(--paper) !important; box-shadow:var(--shadow); }
  .btn-primary:hover{ transform:translateY(-2px); color:var(--paper) !important; }
  .btn-ghost{ border-color:var(--ink); color:var(--ink) !important; }
  .btn-ghost:hover{ background:var(--ink); color:var(--paper) !important; }
  .btn-arrow{ transition:transform .2s ease; }
  .btn:hover .btn-arrow{ transform:translateX(4px); }

  /* ---------- HEADER ---------- */
  header{
    position:sticky; top:0; z-index:50;
    background:rgba(246,244,236,.88); backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  header .wrap{ display:flex; align-items:center; justify-content:space-between; padding:16px 24px; }
  .brandmark{ font-family:'Shippori Mincho', serif; font-weight:800; font-size:19px; letter-spacing:.04em; }
  .brandmark span{ color:var(--rope-deep); }
  header .btn{ padding:10px 20px; font-size:14px; }

  /* ---------- HERO ---------- */
  .hero{
    padding:76px 0 40px;
    background:
      radial-gradient(ellipse at 20% -10%, rgba(181,83,30,.10), transparent 55%),
      radial-gradient(ellipse at 85% 0%, rgba(40,100,74,.12), transparent 50%),
      var(--paper);
    overflow:hidden;
  }
  .hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
  .hero h1{ font-size:clamp(34px,4.6vw,54px); line-height:1.35; font-weight:800; }
  .hero h1 em{ font-style:normal; color:var(--rope-deep); }
  .hero-define{
    margin-top:20px; font-size:17.5px; font-weight:700; color:var(--ink);
    background:var(--paper-deep); border-radius:14px; padding:16px 20px;
    max-width:48ch; line-height:1.7;
  }
  .hero-define b{ color:var(--rope-deep); }
  .hero .lead{ margin-top:18px; font-size:15.5px; color:var(--ink-soft); max-width:46ch; }
  .hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:32px; }
  .hero-tag{
    margin-top:34px; display:flex; align-items:center; gap:14px;
    font-size:13px; color:var(--ink-soft);
  }
  .hero-tag .dot{ width:8px; height:8px; border-radius:50%; background:var(--ke); flex:none; }

  /* Bridge visual */
  .bridge-scene{ position:relative; width:100%; aspect-ratio:1490/1046; }
  .bridge-scene svg{ width:100%; height:100%; }
  .bridge-scene img{ width:100%; height:100%; object-fit:contain; }
  .cliff-label{
    position:absolute; font-family:'Shippori Mincho',serif; font-weight:700;
    font-size:15px; letter-spacing:.08em; padding:6px 14px; border-radius:999px;
  }
  .cliff-label.hare{ top:6%; left:2%; background:var(--hare-soft); color:var(--hare); }
  .cliff-label.ke{ top:6%; right:0%; background:var(--ke-soft); color:var(--ke); }
  .bridge-label{
    position:absolute; left:50%; top:52%; transform:translate(-50%,-50%);
    background:var(--ink); color:var(--paper); font-family:'Shippori Mincho',serif;
    font-weight:700; font-size:14px; padding:8px 16px; border-radius:8px; white-space:nowrap;
    box-shadow:var(--shadow);
  }

  /* ---------- SECTION SHELL ---------- */
  .section{ padding:96px 0; }
  .section-alt{ background:var(--paper-deep); }
  .section-dark{ background:var(--ink); color:var(--paper); }
  .section-dark h2, .section-dark h3{ color:var(--paper); }
  .section-head{ max-width:640px; margin-bottom:56px; }
  .section-head h2{ font-size:clamp(26px,3.2vw,36px); font-weight:800; line-height:1.5; }
  .section-head p{ margin-top:16px; color:var(--ink-soft); font-size:15.5px; }
  .section-dark .section-head p{ color:#C9CFC9; }

  /* ---------- CHASM (課題) ---------- */
  .chasm-words{ display:flex; flex-wrap:wrap; gap:12px; margin:8px 0 40px; }
  .chasm-word{
    background:#fff; border:1px solid var(--line); border-radius:999px;
    padding:9px 20px; font-size:14px; font-weight:700; color:var(--ink-soft);
  }
  .kegare-card{
    background:linear-gradient(135deg, var(--mist-1), var(--mist-2));
    color:#fff !important; border-radius:20px; padding:36px 40px;
    display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
  }
  .kegare-card .k-title{ font-family:'Shippori Mincho',serif; font-size:22px; font-weight:700; color:#fff !important; }
  .kegare-card p{ margin:8px 0 0; max-width:50ch; opacity:.92; font-size:14.5px; color:#fff !important; }

  .voice-quote{
    margin-top:24px; border-left:4px solid var(--rope-deep); padding:6px 0 6px 22px;
  }
  .voice-quote p{ font-family:'Shippori Mincho',serif; font-size:18px; font-weight:700; margin:0; }
  .voice-quote span{ display:block; margin-top:8px; font-size:13px; color:var(--ink-soft); }

  .who-list{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  .who-list li{
    background:#fff; border:1px solid var(--line); border-radius:14px;
    padding:16px 20px 16px 46px; font-size:14.5px; font-weight:700; position:relative;
  }
  .who-list li::before{
    content:"?"; position:absolute; left:16px; top:50%; transform:translateY(-50%);
    width:22px; height:22px; border-radius:50%; background:var(--hare-soft); color:var(--hare);
    font-family:'Shippori Mincho',serif; font-weight:800; font-size:13px;
    display:flex; align-items:center; justify-content:center;
  }

  /* ---------- STAT ROW ---------- */
  .stat-row{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:36px; }
  .stat{
    background:#fff; border:1px solid var(--line); border-radius:16px;
    padding:22px 20px; text-align:center;
  }
  .stat-num{ font-family:'Shippori Mincho',serif; font-size:24px; font-weight:800; color:var(--rope-deep); }
  .stat-desc{ margin-top:8px; font-size:12.5px; color:var(--ink-soft); }

  /* ---------- CYCLE (ケの日常サイクル) ---------- */
  .cycle{ display:grid; grid-template-columns:repeat(5,1fr); gap:14px; counter-reset:step; }
  .cycle-step{
    background:#fff; border:1px solid var(--line); border-radius:16px;
    padding:24px 16px 20px; text-align:center; position:relative;
  }
  .cycle-step::before{
    counter-increment:step; content:counter(step);
    position:absolute; top:-12px; left:50%; transform:translateX(-50%);
    width:26px; height:26px; border-radius:50%; background:var(--ke); color:#fff;
    font-size:12px; font-weight:700; display:flex; align-items:center; justify-content:center;
    font-family:'Zen Kaku Gothic New',sans-serif;
  }
  .cycle-step .ic{ margin-bottom:10px; }
  .cycle-step .ic img{ width:96px; height:96px; object-fit:contain; display:block; margin:0 auto; }
  .cycle-step .label{ font-weight:700; font-size:14.5px; }
  .cycle-arrow-row{ display:none; }

  /* ---------- PHONE MOCK ---------- */
  .practice-grid{ display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:center; }
  .phone{
    width:250px; border-radius:34px; background:#fff; border:6px solid var(--ink);
    box-shadow:var(--shadow); padding:16px; margin:0 auto;
  }
  .phone .q-head{ font-size:12px; color:var(--ink-soft); font-weight:700; letter-spacing:.05em; margin-bottom:8px;}
  .phone .q-body{ font-family:'Shippori Mincho',serif; font-size:16px; font-weight:700; margin-bottom:14px; }
  .phone .opt{
    display:block; width:100%; text-align:left; padding:11px 14px; margin-bottom:9px;
    border-radius:10px; border:1px solid var(--line); background:var(--paper);
    font-size:13px; font-weight:700; color:var(--ink);
  }
  .phone .opt.sel{ background:var(--ke); color:#fff; border-color:var(--ke); }

  .mini-q-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:40px; }
  .mini-q{
    background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px;
  }
  .mini-q-theme{
    display:inline-block; font-size:11.5px; font-weight:700; color:var(--ke);
    background:var(--ke-soft); border-radius:999px; padding:4px 12px; margin-bottom:12px;
  }
  .mini-q-body{ font-family:'Shippori Mincho',serif; font-size:15.5px; font-weight:700; line-height:1.6; }

  .flow{ display:flex; align-items:center; justify-content:center; gap:10px; margin-top:44px; flex-wrap:wrap; }
  .flow-step{ text-align:center; }
  .flow-ic{ width:80px; height:80px; margin:0 auto 8px; }
  .flow-ic img{ width:100%; height:100%; object-fit:contain; display:block; }
  .flow-label{ font-size:13px; font-weight:700; }
  .flow-arrow{ font-size:18px; color:var(--rope-deep); font-weight:700; }

  .results-sample{
    background:#fff; border:1px solid var(--line); border-radius:20px; padding:32px 36px;
  }
  .results-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; flex-wrap:wrap; gap:10px; }
  .results-head span{ font-weight:700; font-size:14.5px; }
  .results-tag{ background:var(--ke-soft); color:var(--ke); border-radius:999px; padding:4px 14px; font-size:12.5px; }
  .results-bar-row{ display:grid; grid-template-columns:220px 1fr; align-items:center; gap:14px; margin-bottom:14px; }
  .results-bar-label{ font-size:13px; color:var(--ink-soft); }
  .results-bar{ background:var(--paper-deep); border-radius:999px; height:26px; overflow:hidden; }
  .results-bar-fill{
    height:100%; background:linear-gradient(90deg, var(--ke), var(--mist-1)); color:#fff;
    font-size:11.5px; font-weight:700; display:flex; align-items:center; justify-content:flex-end;
    padding-right:10px; min-width:44px; border-radius:999px;
  }
  .results-note{ margin-top:8px; font-size:12px; color:var(--ink-soft); }
  .voices-block{ margin-top:40px; }
  .voices{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:16px; }
  .voice{
    background:#fff; border:1px solid var(--line); border-radius:16px; padding:22px 22px;
    font-size:14.5px; color:var(--ink-soft); position:relative;
  }
  .voice::before{ content:"“"; font-family:'Shippori Mincho',serif; font-size:34px; color:var(--rope); line-height:0; display:block; margin-bottom:6px; }

  /* ---------- BACKBONE (科学的根拠) ---------- */
  .backbone-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
  .backbone-card{
    border-radius:20px; padding:32px; background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.14);
  }
  .backbone-card h3{ font-size:19px; font-weight:700; margin-bottom:6px; }
  .backbone-card .sub{ font-size:13.5px; color:#B9C2BC; margin-bottom:20px; }
  .backbone-list{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
  .backbone-list li{
    display:flex; flex-direction:column; gap:4px; font-size:14.5px;
    padding:12px 16px 12px 26px; background:rgba(255,255,255,.06); border-radius:10px; position:relative;
  }
  .backbone-list li::before{
    content:""; width:6px; height:6px; border-radius:50%; background:var(--rope);
    position:absolute; left:14px; top:18px;
  }
  .backbone-list .bb-name{ font-weight:700; }
  .backbone-list .bb-desc{ font-size:12.5px; color:#B9C2BC; }

  /* ---------- 配信方式 ---------- */
  .channels{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
  .channel-card{
    background:#fff; border:1px solid var(--line); border-radius:18px; padding:28px 22px;
  }
  .channel-card .num{ font-family:'Shippori Mincho',serif; font-size:13px; color:var(--rope-deep); font-weight:700; }
  .channel-card h3{ font-size:18px; font-weight:700; margin:8px 0 10px; }
  .channel-card p{ font-size:13.5px; color:var(--ink-soft); margin:0; }
  .tag-row{ display:flex; gap:6px; margin-top:14px; flex-wrap:wrap; }
  .tag{ font-size:11.5px; background:var(--paper-deep); border-radius:999px; padding:4px 10px; color:var(--ink-soft); font-weight:700; }

  /* ---------- CTA final ---------- */
  .cta-final{
    background:linear-gradient(135deg, var(--ke), #163B2C);
    color:#fff; border-radius:28px; padding:64px 56px;
    display:grid; grid-template-columns:1.2fr .8fr; gap:40px; align-items:center;
  }
  .cta-final h2{ color:#fff; font-size:clamp(24px,3vw,32px); }
  .cta-final p{ color:#D6E3DA; margin-top:14px; font-size:15px; max-width:44ch; }
  .cta-final .btn-primary{ background:#fff; color:var(--ink) !important; }
  .cta-final .btn-ghost{ border-color:rgba(255,255,255,.6); color:#fff !important; }
  .cta-final .btn-ghost:hover{ background:#fff; color:var(--ink) !important; }
  .cta-hints{ list-style:none; margin:20px 0 0; padding:0; display:grid; gap:8px; }
  .cta-hints li{ font-size:13.5px; color:#D6E3DA; }
  .cta-hints b{ color:#fff; }
  .btn-textlink{
    color:#fff; text-decoration:underline; font-size:13.5px; font-weight:700;
    display:inline-flex; align-items:center; gap:6px;
  }

  .mid-cta{
    display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;
    background:var(--paper-deep); border-radius:16px; padding:22px 28px; margin-top:56px;
  }
  .mid-cta p{ margin:0; font-weight:700; font-size:15px; }

  footer{ padding:44px 0; border-top:1px solid var(--line); }
  footer .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; font-size:12.5px; color:var(--ink-soft); }

  .reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
  .reveal.in{ opacity:1; transform:none; }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 900px){
    .hero-grid{ grid-template-columns:1fr; }
    .bridge-scene{ order:-1; max-width:420px; margin:0 auto; }
    .backbone-grid{ grid-template-columns:1fr; }
    .practice-grid{ grid-template-columns:1fr; }
    .channels{ grid-template-columns:repeat(2,1fr); }
    .voices{ grid-template-columns:1fr; }
    .cycle{ grid-template-columns:repeat(3,1fr); }
    .cta-final{ grid-template-columns:1fr; padding:44px 28px; text-align:left; }
    .who-list{ grid-template-columns:1fr; }
    .mini-q-grid{ grid-template-columns:1fr; }
    .stat-row{ grid-template-columns:1fr; }
    .results-bar-row{ grid-template-columns:1fr; }
    .results-sample{ padding:26px 22px; }
  }
  @media (max-width: 560px){
    .section{ padding:64px 0; }
    header .btn span{ display:none; }
    .channels{ grid-template-columns:1fr 1fr; }
    .cycle{ grid-template-columns:repeat(2,1fr); }
    .kegare-card{ padding:26px 24px; }
  }
  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .reveal{ opacity:1; transform:none; transition:none; }
  }