:root {
      --orange: #f5a623;
      --orange-dark: #e08c0a;
      --orange-light: #fff8ec;
      --orange-pale: #fef3d8;
      --yellow: #ffd84d;
      --white: #ffffff;
      --bg: #f9f9f7;
      --border: #e8e4dc;
      --text: #2d2a22;
      --text-sub: #6b6559;
      --text-light: #a09a8e;
      --radius-card: 16px;
      --radius-btn: 100px;
      --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
      --shadow-hover: 0 4px 20px rgba(0,0,0,0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: 'Noto Sans JP', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }

    /* Header */
    .header {
      background: white;
      border-bottom: 1px solid var(--border);
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 32px;
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .header-link {
      font-size: 13px;
      color: var(--text-sub);
      text-decoration: none;
    }
    .header-link:hover { color: var(--orange-dark); }

    /* Hero */
    .hero {
      background: white;
      padding: 52px 24px 52px;
      text-align: center;
      border-bottom: 1px solid var(--border);
    }
    .hero-badge {
      display: inline-block;
      background: var(--orange-pale);
      color: var(--orange-dark);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 100px;
      margin-bottom: 16px;
      letter-spacing: 0.04em;
    }
    .hero h1 {
      font-size: clamp(19px, 3.5vw, 27px);
      font-weight: 700;
      color: var(--text);
      line-height: 1.5;
      margin-bottom: 14px;
    }
    .hero h1 em {
      font-style: normal;
      color: var(--orange-dark);
    }
    .hero-sub {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.9;
      max-width: 460px;
      margin: 0 auto 24px;
    }
    .hero-chips {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 100px;
      padding: 5px 12px;
      font-size: 12px;
      color: var(--text-sub);
    }
    .chip-dot {
      width: 7px; height: 7px;
      background: var(--orange);
      border-radius: 50%;
    }

    /* Progress */
    .progress-bar-wrap {
      background: white;
      border-bottom: 1px solid var(--border);
      padding: 12px 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      position: sticky;
      top: 60px;
    }
    .progress-track {
      flex: 1;
      max-width: 560px;
      height: 6px;
      background: #f0ece4;
      border-radius: 3px;
      overflow: hidden;
    }
    .progress-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--orange), var(--yellow));
      border-radius: 3px;
      width: 0%;
      transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
    }
    .progress-text {
      font-size: 12px;
      color: var(--text-light);
      white-space: nowrap;
      min-width: 66px;
      text-align: right;
    }

    /* Main */
    .main {
      max-width: 700px;
      margin: 0 auto;
      padding: 36px 20px 100px;
    }

    /* Question card */
    .q-card {
      background: white;
      border: 1.5px solid var(--border);
      border-radius: var(--radius-card);
      padding: 22px 22px 20px;
      margin-bottom: 12px;
      box-shadow: var(--shadow-card);
      transition: border-color 0.2s, box-shadow 0.2s;
    }
    .q-card:hover { box-shadow: var(--shadow-hover); }
    .q-card.answered {
      border-color: rgba(245,166,35,0.55);
    }
    .q-card.error {
      border-color: #e25c5c !important;
      box-shadow: 0 0 0 3px rgba(226,92,92,0.12) !important;
    }
    .q-head {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 16px;
    }
    .q-num {
      flex-shrink: 0;
      width: 28px; height: 28px;
      background: var(--orange-pale);
      border-radius: 8px;
      font-size: 12px;
      font-weight: 700;
      color: var(--orange-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s, color 0.2s;
    }
    .q-card.answered .q-num {
      background: var(--orange);
      color: white;
    }
    .q-text {
      font-size: 14px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.65;
      padding-top: 4px;
    }
    .options {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      padding-left: 40px;
    }
    .opt-label {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: var(--bg);
      border: 1.5px solid var(--border);
      border-radius: 10px;
      padding: 8px 14px;
      font-size: 13px;
      color: var(--text-sub);
      cursor: pointer;
      transition: all 0.15s;
      user-select: none;
    }
    .opt-label:hover {
      background: var(--orange-pale);
      border-color: var(--orange);
      color: var(--text);
    }
    .opt-label input[type="radio"] {
      appearance: none;
      -webkit-appearance: none;
      width: 15px; height: 15px;
      border: 1.5px solid #ccc;
      border-radius: 50%;
      background: white;
      flex-shrink: 0;
      transition: all 0.15s;
    }
    .opt-label:has(input:checked) {
      background: var(--orange-pale);
      border-color: var(--orange);
      color: var(--orange-dark);
      font-weight: 700;
    }
    .opt-label input[type="radio"]:checked {
      background: var(--orange);
      border-color: var(--orange);
      box-shadow: inset 0 0 0 3px white;
    }

    /* Submit */
    .submit-area {
      margin-top: 32px;
      text-align: center;
    }
    .submit-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--orange);
      color: white;
      border: none;
      border-radius: var(--radius-btn);
      padding: 15px 40px;
      font-size: 16px;
      font-weight: 700;
      font-family: 'Noto Sans JP', sans-serif;
      cursor: pointer;
      letter-spacing: 0.03em;
      box-shadow: 0 4px 16px rgba(245,166,35,0.4);
      transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
    }
    .submit-btn:hover {
      background: var(--orange-dark);
      box-shadow: 0 6px 20px rgba(224,140,10,0.4);
    }
    .submit-btn:active { transform: scale(0.98); }
    .submit-note {
      margin-top: 12px;
      font-size: 12px;
      color: var(--text-light);
    }

    /* Result */
    .result { display: none; margin-top: 28px; }
    .result.show { display: block; }
    .result-card {
      background: white;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-hover);
      overflow: hidden;
    }
    .result-header {
      padding: 28px 28px 22px;
    }
    .result-header.p0 { background: linear-gradient(135deg, #fffdf5 0%, var(--orange-pale) 100%); }
    .result-header.p1 { background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%); }
    .result-header.p2 { background: linear-gradient(135deg, #fff8e1 0%, #ffcc80 100%); }
    .result-header.p3 { background: linear-gradient(135deg, #fce4ec 0%, #f48fb1 100%); }

    .result-phase-badge {
      display: inline-block;
      background: rgba(255,255,255,0.75);
      border-radius: 100px;
      padding: 4px 12px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.05em;
      color: #8d6e3a;
      margin-bottom: 12px;
    }
    .result-phase-badge.danger { color: #b71c1c; }

    .result-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 18px;
    }
    .score-row {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .score-circle {
      width: 70px; height: 70px;
      border-radius: 50%;
      background: white;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      flex-shrink: 0;
    }
    .score-num {
      font-size: 22px;
      font-weight: 700;
      line-height: 1.1;
      color: var(--orange-dark);
    }
    .score-unit { font-size: 11px; color: var(--text-light); }
    .score-bar-wrap { flex: 1; }
    .score-bar-label {
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 6px;
    }
    .score-bar-track {
      height: 10px;
      background: rgba(255,255,255,0.6);
      border-radius: 5px;
      overflow: hidden;
    }
    .score-bar-fill {
      height: 100%;
      border-radius: 5px;
      background: linear-gradient(90deg, var(--orange), var(--yellow));
      width: 0%;
      transition: width 1s cubic-bezier(0.4,0,0.2,1);
    }
    .score-bar-fill.danger {
      background: linear-gradient(90deg, #e25c5c, #f5a623);
    }

    .result-body { padding: 24px 28px 28px; }
    .result-desc {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.9;
      margin-bottom: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
    }
    .result-cta-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 12px;
    }
    .cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--orange);
      color: white;
      text-decoration: none;
      border-radius: var(--radius-btn);
      padding: 13px 28px;
      font-size: 14px;
      font-weight: 700;
      font-family: 'Noto Sans JP', sans-serif;
      box-shadow: 0 4px 14px rgba(245,166,35,0.35);
      transition: background 0.15s;
    }
    .cta-btn:hover { background: var(--orange-dark); }
    .retry-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: none;
      border: 1.5px solid var(--border);
      border-radius: var(--radius-btn);
      padding: 10px 22px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-sub);
      cursor: pointer;
      font-family: 'Noto Sans JP', sans-serif;
      margin-left: 12px;
      transition: border-color 0.15s, color 0.15s;
    }
    .retry-btn:hover { border-color: var(--orange); color: var(--orange-dark); }

    /* Footer */
    .footer {
      background: white;
      border-top: 1px solid var(--border);
      padding: 24px 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 10px;
    }
    .footer-copy { font-size: 11px; color: var(--text-light); }

    @media (max-width: 540px) {
      .header { padding: 0 16px; }
      .hero { padding: 36px 16px 40px; }
      .progress-bar-wrap { padding: 12px 16px; }
      .main { padding: 24px 12px 80px; }
      .options { padding-left: 0; }
      .result-header, .result-body { padding: 20px; }
      .footer { padding: 20px 16px; }
      .score-row { flex-direction: column; align-items: flex-start; }
    }