:root{
    --night:#0B1224; --night2:#16203F;
    --dawn:#FFB648; --ember:#FF6B35;
    --cloud:#F6F1E7; --ink:#1C1C1E; --muted:#8e8e93;
    --safe:#2FB67C; --alert:#FF4D4D; --line:#e6e1d6;
    --storm1:#241B33; --storm2:#3A2530;
  }
  *,*::before,*::after{box-sizing:border-box;}
  body{
    margin:0;padding:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Hiragino Sans",sans-serif;
    background:#f2f2f7; color:var(--ink);
    -webkit-font-smoothing:antialiased;
    display:flex;justify-content:center;
    transition:background 1.4s ease;
  }
  body.dawn{ background: linear-gradient(180deg,#fbe9d2 0%, var(--cloud) 38%, #f2f2f7 100%); }
  body.dawn.storm{ background: linear-gradient(180deg,#d9d3da 0%, #ece6e2 40%, #f2f2f7 100%); }

  .wrap{width:100%;max-width:480px;padding:18px 16px 56px;min-height:100vh;}
  .jp{font-family:"Zen Kaku Gothic New",-apple-system,sans-serif;}
  .num{font-family:"Fraunces",serif;font-variant-numeric:tabular-nums;}

  /* ===== ヘッダー画像 ===== */
  .header-link{display:flex;justify-content:center;margin-bottom:16px;}
  .header-image{max-width:100%;width:100%;height:auto;border-radius:18px;display:block;
    box-shadow:0 6px 18px rgba(0,0,0,0.06);}

  /* ===== ヒーロー ===== */
  .hero{
    background:radial-gradient(120% 140% at 15% -10%, var(--night2) 0%, var(--night) 70%);
    border-radius:24px;padding:22px 18px 18px;color:#fff;
    box-shadow:0 12px 30px rgba(11,18,36,0.35);
    transition:background 1.4s ease, box-shadow 1.4s ease;
  }
  body.dawn .hero{
    background:radial-gradient(130% 160% at 20% -20%, #3a2c52 0%, #2b2140 55%, #1c1730 100%);
    box-shadow:0 14px 34px rgba(255,140,60,0.18);
  }
  body.dawn.storm .hero{
    background:radial-gradient(130% 160% at 20% -20%, var(--storm2) 0%, var(--storm1) 60%, #14101c 100%);
    box-shadow:0 14px 34px rgba(120,120,140,0.18);
  }
  .hero-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .hero-flame{width:34px;height:34px;border-radius:10px;
    background:linear-gradient(135deg,var(--ember),var(--dawn));
    display:flex;align-items:center;justify-content:center;font-size:16px;
    box-shadow:0 4px 10px rgba(255,107,53,0.4);transition:background .6s;}
  body.dawn.storm .hero-flame{background:linear-gradient(135deg,#6b6b7d,#9b94a8);box-shadow:0 4px 10px rgba(80,80,100,0.4);}
  .hero h1{font-size:17px;font-weight:700;margin:0;letter-spacing:0.2px;}
  .hero-sub{font-size:11px;color:#b9bfd4;margin:2px 0 0;}
  .hero-preview{font-size:13px;color:#cfd3e4;margin-bottom:12px;min-height:18px;}
  .hero-preview b{color:var(--dawn);font-weight:700;}

  .ht{display:flex;align-items:center;margin-top:6px;}
  .ht-node{text-align:center;width:68px;flex:0 0 auto;}
  .ht-dot{width:12px;height:12px;border-radius:50%;background:#fff;margin:0 auto 6px;
    box-shadow:0 0 0 4px rgba(255,255,255,0.12);}
  .ht-node.target .ht-dot{background:var(--dawn);box-shadow:0 0 0 4px rgba(255,182,72,0.25);transition:background .4s,box-shadow .4s;}
  .ht-label{font-size:10px;color:#9ba1bd;line-height:1.3;}
  .ht-sub{display:block;font-size:13px;font-weight:700;color:#7d83a0;margin-top:1px;transition:color .4s;}
  .ht-sub.live{color:#fff;}
  .ht-line{flex:1;height:3px;background:rgba(255,255,255,0.12);border-radius:2px;overflow:hidden;margin:0 4px 18px;}
  .ht-line-fill{height:100%;width:4%;border-radius:2px;
    background:linear-gradient(90deg,var(--ember),var(--dawn));
    transition:width 1.3s cubic-bezier(.2,.8,.2,1), background .6s;}
  body.dawn.storm .ht-line-fill{background:linear-gradient(90deg,#6b6b7d,#9b94a8);}

  /* ===== カード ===== */
  .card{background:#fff;border-radius:20px;padding:20px;margin-top:14px;
    box-shadow:0 4px 20px rgba(0,0,0,0.04);transition:background .8s ease;}
  body.dawn .card{background:#fffdf8;}
  .card-title{font-size:14px;font-weight:700;margin:0 0 14px;display:flex;align-items:center;gap:6px;}

  .chip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
  .chip{background:#f7f6f3;border:2px solid transparent;border-radius:14px;padding:12px 8px;text-align:center;cursor:pointer;transition:all .2s ease;}
  .chip[data-tone="gold"].active{background:#fff6e6;border-color:var(--dawn);}
  .chip[data-tone="ember"].active{background:#fff1ea;border-color:var(--ember);}
  .chip[data-tone="safe"].active{background:#eafaf2;border-color:var(--safe);}
  .chip[data-tone="muted"].active{background:#f0f0f2;border-color:var(--muted);}
  .chip-emoji{font-size:20px;margin-bottom:4px;display:block;}
  .chip-name{font-size:13px;font-weight:700;display:block;}
  .chip-desc{font-size:10px;color:var(--muted);display:block;margin-top:2px;}

  .field{margin-bottom:16px;}
  .field:last-child{margin-bottom:0;}
  .range-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;}
  .range-label{font-size:12px;font-weight:700;color:var(--muted);display:flex;align-items:center;}
  .range-value{font-size:15px;font-weight:700;color:var(--ember);}
  input[type="range"]{-webkit-appearance:none;width:100%;height:6px;border-radius:3px;outline:none;
    background:linear-gradient(90deg,var(--ember),var(--dawn));}
  input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:#fff;
    box-shadow:0 2px 8px rgba(0,0,0,0.25);cursor:pointer;border:3px solid var(--ember);}
  input[type="range"]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;
    box-shadow:0 2px 8px rgba(0,0,0,0.25);cursor:pointer;border:3px solid var(--ember);}

  .info-tip{position:relative;display:inline-flex;width:14px;height:14px;border-radius:50%;background:#d8d8dc;color:#666;
    font-size:9px;align-items:center;justify-content:center;cursor:help;margin-left:5px;flex:0 0 auto;}
  .info-tip .tip-bubble{position:absolute;bottom:130%;left:50%;transform:translateX(-50%);width:198px;
    background:#1c1c1e;color:#fff;font-size:11px;line-height:1.55;padding:9px 11px;border-radius:9px;
    opacity:0;pointer-events:none;transition:opacity .15s;z-index:20;text-align:left;font-weight:400;}
  .info-tip:hover .tip-bubble, .info-tip:focus .tip-bubble{opacity:1;}

  .adv-toggle{display:flex;align-items:center;justify-content:space-between;background:#f7f6f3;border-radius:12px;
    padding:11px 14px;cursor:pointer;margin-top:4px;}
  .adv-toggle span{font-size:12px;font-weight:700;color:var(--muted);}
  .adv-body{display:none;padding-top:16px;}

  .btn-primary{width:100%;height:52px;border:none;border-radius:14px;color:#fff;font-size:16px;font-weight:700;
    cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:18px;
    background:linear-gradient(135deg,var(--ember),var(--dawn));
    box-shadow:0 8px 18px rgba(255,107,53,0.32);}
  .btn-primary:active{transform:scale(0.98);}

  /* ===== 結果 ===== */
  #resultArea{display:none;margin-top:8px;}
  .result-hero{text-align:center;padding:8px 0 4px;}
  .result-hero .label{font-size:12px;color:var(--muted);font-weight:600;}
  .result-age{font-size:54px;font-weight:600;line-height:1;margin:6px 0 2px;color:var(--ember);transition:color .6s;}
  .result-age sub{font-family:"Zen Kaku Gothic New";font-size:18px;font-weight:700;color:var(--ink);margin-left:4px;}
  .result-sub{font-size:12.5px;color:var(--muted);}
  .result-money{font-size:14px;color:var(--muted);margin-top:2px;}
  .result-money b{color:var(--ink);font-weight:700;}
  .miss-banner{background:#fff1f0;border:1px dashed var(--alert);color:#b3261e;font-size:12.5px;line-height:1.6;
    border-radius:12px;padding:12px 14px;margin:10px 0;}

  .gauge-wrap{position:relative;width:148px;height:148px;margin:4px auto 6px;}
  .gauge-svg{width:148px;height:148px;transform:rotate(-90deg);}
  .gauge-track{fill:none;stroke:#eef0f4;stroke-width:10;}
  .gauge-progress{fill:none;stroke:var(--safe);stroke-width:10;stroke-linecap:round;
    stroke-dasharray:326.7;stroke-dashoffset:6.5;transition:stroke-dashoffset 1s ease, stroke .4s ease;}
  .gauge-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;}
  .gauge-value{font-size:30px;font-weight:600;color:var(--safe);transition:color .4s ease;}
  .gauge-caption{font-size:10px;color:var(--muted);margin-top:2px;text-align:center;padding:0 18px;}

  .rx-card{position:relative;background:#fffaf0;border-radius:14px;padding:16px 16px 14px;margin-top:10px;
    border:1px dashed #e6c98a;}
  .rx-title{font-size:11px;font-weight:800;letter-spacing:.5px;color:#b3791e;text-transform:uppercase;
    display:flex;align-items:center;gap:5px;margin-bottom:6px;}
  .rx-body{font-size:12.5px;color:var(--ink);line-height:1.6;margin:0;}
  .rx-body b{color:var(--ember);}

  .chart-container{position:relative;width:100%;height:200px;margin-top:4px;}
  .chart-legend{display:flex;gap:14px;margin-top:8px;font-size:10.5px;color:var(--muted);}
  .chart-legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px;vertical-align:-1px;}

  .accordion-toggle{background:none;border:none;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer;
    display:flex;align-items:center;gap:5px;width:100%;padding:14px 0 2px;justify-content:center;}
  .accordion-content{display:none;padding:14px 4px 0;border-top:1px dashed var(--line);margin-top:10px;}
  .stress-chip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;}
  .stress-chip{position:relative;display:block;background:#f7f6f3;border:2px solid transparent;border-radius:12px;
    padding:10px 8px;text-align:center;cursor:pointer;transition:all .2s ease;}
  .stress-chip input{position:absolute;opacity:0;width:0;height:0;}
  .stress-chip[data-tone="muted"].active{background:#f0f0f2;border-color:var(--muted);}
  .stress-chip[data-tone="alert"].active{background:#fff1f0;border-color:var(--alert);}
  .stress-chip[data-tone="gold"].active{background:#fff6e6;border-color:var(--dawn);}
  .stress-chip[data-tone="ember"].active{background:#fff1ea;border-color:var(--ember);}
  .stress-chip .sc-emoji{font-size:16px;display:block;margin-bottom:3px;}
  .stress-chip .sc-name{font-size:11.5px;font-weight:700;display:block;}
  .stress-chip .sc-desc{font-size:9.5px;color:var(--muted);display:block;margin-top:1px;}

  .share-row{display:flex;gap:10px;margin-top:12px;}
  .share-x,.share-copy{flex:1;height:48px;border-radius:24px;font-size:13px;font-weight:700;
    display:flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;}
  .share-x{background:#000;color:#fff;border:none;}
  .share-copy{background:#fff;color:var(--ink);border:1.5px solid #e2ddd0;}
  .share-x:active,.share-copy:active{transform:scale(0.98);}

  .disclaimer{font-size:10px;color:#b3b3b8;line-height:1.6;text-align:center;margin-top:18px;padding:0 8px;}

  /* ===== 広告エリア（PR / ネイティブアド）===== */
  .ad-card{margin-top:14px;}
  .ad-card-label-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
  .ad-label{font-size:10px;font-weight:800;color:var(--muted);background:#f0f0f2;display:inline-block;
    padding:3px 8px;border-radius:5px;letter-spacing:.06em;}
  .ad-context{font-size:11px;color:var(--muted);font-weight:600;}
  .ad-link-block{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit;
    border-radius:12px;padding:2px;margin:-2px;transition:background .15s ease, transform .1s;}
  .ad-link-block:active{background:#f7f6f3;transform:scale(0.99);}
  .ad-icon{width:46px;height:46px;border-radius:13px;flex-shrink:0;font-size:20px;
    background:linear-gradient(135deg,var(--ember),var(--dawn));
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 10px rgba(255,107,53,0.32);}
  .ad-content{flex:1;min-width:0;}
  .ad-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:3px;}
  .ad-desc{font-size:12px;color:var(--muted);line-height:1.55;}
  .ad-cta{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:800;
    color:var(--ember);margin-top:6px;}
  .ad-arrow{font-size:15px;}

  .site-footer{margin-top:36px;padding-top:18px;border-top:1px solid #e9e5da;text-align:center;}
  .footer-links{display:flex;justify-content:center;gap:22px;}
  .footer-links a{font-size:12px;color:var(--muted);text-decoration:none;font-weight:700;}
  .footer-links a:hover{color:var(--ember);}
  .footer-copy{font-size:10.5px;color:#c2c2c8;margin-top:10px;letter-spacing:.2px;}