:root {
      --bg: #f7f6f3;
      --paper: #ffffff;
      --paper-soft: #fbfaf8;
      --text: #191919;
      --muted: #6b6b6b;
      --line: #e7e5e4;
      --line-strong: #d6d3d1;
      --accent: #2f6b53;
      --accent-soft: #eef5f1;
      --shadow: 0 20px 60px rgba(15, 23, 42, 0.06);
      --radius: 20px;
      --radius-sm: 14px;
      --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    * { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(47, 107, 83, 0.08), transparent 26%),
        linear-gradient(180deg, #fbfaf8 0%, #f7f6f3 100%);
      min-height: 100vh;
    }

    h1, h2, h3, p { margin: 0; }
    button, input { font: inherit; }
    button {
      border: 0;
      cursor: pointer;
      transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease;
    }
    button:hover { transform: translateY(-1px); }
    button:disabled {
      cursor: not-allowed;
      opacity: 0.48;
      transform: none;
      box-shadow: none;
    }

    .page {
      max-width: 1100px;
      margin: 0 auto;
      padding: 40px 20px 72px;
    }

    .site-header {
      margin-bottom: 22px;
    }

    .panel {
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(12px);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .panel + .panel {
      margin-top: 22px;
    }

    .hero {
      padding: 28px;
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(240px, 0.95fr);
      gap: 24px;
      align-items: center;
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -40px;
      top: -48px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(47, 107, 83, 0.16) 0%, rgba(47, 107, 83, 0) 72%);
      pointer-events: none;
    }

    .eyebrow,
    .pill,
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: var(--paper-soft);
      color: var(--muted);
      font-size: 12px;
      line-height: 1;
      padding: 8px 12px;
    }

    .eyebrow {
      color: var(--accent);
      background: var(--accent-soft);
      border-color: rgba(47, 107, 83, 0.18);
      margin-bottom: 16px;
      font-weight: 600;
    }

    .hero-copy {
      position: relative;
      z-index: 1;
    }

    .hero h1 {
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      letter-spacing: -0.02em;
      word-spacing: 0.06em;
      max-width: 12ch;
      position: relative;
      z-index: 1;
    }

    .hero p {
      margin-top: 14px;
      max-width: 60ch;
      color: var(--muted);
      line-height: 1.8;
      font-size: 15px;
      position: relative;
      z-index: 1;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 22px;
      position: relative;
      z-index: 1;
    }

    #jumpToolBtn {
      display: none;
    }

    .btn-primary,
    .btn-secondary,
    .btn-ghost {
      border-radius: 12px;
      padding: 12px 16px;
      font-weight: 600;
    }

    .btn-primary {
      background: var(--text);
      color: #fff;
      box-shadow: 0 10px 24px rgba(25, 25, 25, 0.14);
    }

    .btn-secondary {
      background: #fff;
      color: var(--text);
      border: 1px solid var(--line-strong);
    }

    .btn-ghost {
      background: var(--accent-soft);
      color: var(--accent);
      border: 1px solid rgba(47, 107, 83, 0.15);
    }

    .tool-intro p,
    .note-box p,
    .analysis-box p,
    .dimension-item p {
      color: var(--muted);
      line-height: 1.8;
      font-size: 14px;
    }

    .hero-visual {
      position: relative;
      z-index: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 280px;
    }

    .hero-visual img {
      width: min(100%, 420px);
      max-height: 360px;
      object-fit: contain;
      filter: drop-shadow(0 18px 36px rgba(15, 23, 42, 0.08));
    }

    .tool-shell {
      padding: 22px;
    }

    .tool-head {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 18px;
    }

    .tool-shell.result-mode .tool-head {
      display: none;
    }

    .tool-intro {
      max-width: 66ch;
    }

    .tool-intro h2 {
      font-size: clamp(22px, 3vw, 30px);
      letter-spacing: -0.03em;
      margin-bottom: 8px;
    }

    .tool-intro p {
      font-size: 15px;
    }

    .status-board {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: flex-end;
    }

    .view { display: none; }
    .view.active { display: block; }

    .progress-card,
    .question-card,
    .result-card,
    .analysis-box,
    .dimension-box,
    .note-box,
    .poster-box {
      border: 1px solid var(--line);
      border-radius: 18px;
      background: #fff;
    }

    .progress-card {
      padding: 18px;
      margin-bottom: 16px;
      background: linear-gradient(180deg, #fff, #fcfbfa);
    }

    .progress-top {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-bottom: 14px;
      flex-wrap: wrap;
    }

    .progress-track {
      height: 10px;
      width: 100%;
      border-radius: 999px;
      background: #efede9;
      overflow: hidden;
    }

    .progress-track > span {
      display: block;
      height: 100%;
      width: 0;
      background: linear-gradient(90deg, #7da58f, #2f6b53);
      border-radius: inherit;
      transition: width 0.2s ease;
    }

    .progress-foot {
      margin-top: 12px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
    }

    .progress-foot .hint {
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    .question-card {
      padding: 22px;
      background: linear-gradient(180deg, #ffffff 0%, #fcfbf9 100%);
    }

    .question-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-bottom: 18px;
      flex-wrap: wrap;
    }

    .question-text {
      font-size: clamp(22px, 3vw, 30px);
      line-height: 1.5;
      letter-spacing: -0.02em;
      white-space: pre-wrap;
      margin-bottom: 20px;
      color: var(--accent);
    }

    .options {
      display: grid;
      gap: 12px;
    }

    .option {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: 16px;
      background: #fff;
      cursor: pointer;
      transition: border-color 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, transform 0.16s ease;
    }

    .option:hover {
      border-color: #c9c4be;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
      transform: translateY(-1px);
    }

    .option.selected {
      border-color: rgba(47, 107, 83, 0.45);
      background: linear-gradient(180deg, #f8fcf9 0%, #eff6f2 100%);
      box-shadow: 0 12px 24px rgba(47, 107, 83, 0.08);
    }

    .option input {
      margin-top: 0;
      accent-color: var(--accent);
      flex-shrink: 0;
    }

    .option-code {
      width: 28px;
      height: 28px;
      border-radius: 10px;
      background: var(--paper-soft);
      border: 1px solid var(--line);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: 700;
      color: var(--accent);
      flex-shrink: 0;
    }

    .option-content {
      line-height: 1.75;
      font-size: 15px;
    }

    .question-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 20px;
      padding-top: 4px;
    }

    .question-actions .action-group {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .result-grid {
      display: grid;
      gap: 16px;
    }

    .seo-section,
    .seo-faq-section {
      padding: 22px;
    }

    .seo-section .result-grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
      align-items: stretch;
    }

    .seo-section .result-card {
      height: 100%;
    }

    .seo-section .result-card h3,
    .seo-faq-section .dimension-title {
      font-size: 18px;
      line-height: 1.5;
    }

    .seo-section .result-card p,
    .seo-faq-section .dimension-item p {
      font-size: 15px;
    }

    .faq-list {
      padding: 0;
      border: 0;
      background: transparent;
    }

    .faq-list .dimension-item + .dimension-item {
      margin-top: 12px;
    }

    .result-top {
      display: grid;
      grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
      gap: 16px;
    }

    .poster-box,
    .result-card,
    .analysis-box,
    .dimension-box,
    .note-box {
      padding: 20px;
      background: linear-gradient(180deg, #ffffff 0%, #fcfbf9 100%);
    }

    .poster-box {
      display: grid;
      gap: 14px;
      align-content: start;
    }

    .poster-box img {
      width: 100%;
      aspect-ratio: 4 / 5;
      object-fit: cover;
      border-radius: 16px;
      background: #f6f5f2;
      border: 1px solid var(--line);
    }

    .poster-box.no-image img { display: none; }

    .result-card .type-name {
      font-size: clamp(28px, 4vw, 48px);
      line-height: 1.06;
      letter-spacing: -0.04em;
      margin: 10px 0 14px;
    }

    .result-card .type-sub,
    .poster-caption,
    .result-card .type-desc,
    .result-card .match {
      color: var(--muted);
      line-height: 1.8;
      font-size: 14px;
    }

    .result-card .match {
      display: inline-flex;
      margin: 0 0 12px;
      padding: 8px 12px;
      border-radius: 999px;
      border: 1px solid var(--line);
      background: var(--paper-soft);
      color: var(--accent);
      font-weight: 600;
    }

    .analysis-box h3,
    .dimension-box h3,
    .note-box h3 {
      font-size: 16px;
      margin-bottom: 12px;
    }

    .dimension-list {
      display: grid;
      gap: 10px;
    }

    .dimension-item {
      padding: 14px;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: #fff;
    }

    .dimension-top {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 10px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }

    .dimension-title {
      font-size: 14px;
      font-weight: 600;
    }

    .dimension-score {
      font-size: 13px;
      color: var(--accent);
      font-weight: 700;
    }

    .result-actions {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 18px;
    }

    .empty-state {
      padding: 28px 18px;
      border: 1px dashed var(--line-strong);
      border-radius: 16px;
      background: var(--paper-soft);
      color: var(--muted);
      line-height: 1.8;
      text-align: center;
    }

    .site-footer {
      margin-top: 18px;
      color: var(--muted);
      font-size: 13px;
      text-align: center;
    }

    @media (max-width: 900px) {
      .hero,
      .result-top {
        grid-template-columns: 1fr;
      }

      .seo-section .result-grid {
        grid-template-columns: 1fr;
      }

      .status-board {
        justify-content: flex-start;
      }

      .hero h1 {
        max-width: none;
      }

      .hero-visual {
        min-height: 0;
      }
    }

    @media (max-width: 640px) {
      .page {
        padding: 20px 12px 40px;
      }

      .hero-visual {
        display: none;
      }

      .hero,
      .tool-shell,
      .seo-section,
      .seo-faq-section,
      .progress-card,
      .question-card,
      .poster-box,
      .result-card,
      .analysis-box,
      .dimension-box,
      .note-box {
        padding: 16px;
      }

      .question-text {
        font-size: 20px;
      }
    }