:root {
      --bg: #fbf7ef;
      --bg-soft: #fffdf8;
      --card: #ffffff;
      --text: #263238;
      --muted: #63717a;
      --line: #eadfce;
      --brand: #157a5b;
      --brand-strong: #0d5d45;
      --warm: #f4b860;
      --warm-soft: #fff0d2;
      --shadow: 0 18px 44px rgba(68, 48, 20, 0.08);
      --radius: 24px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(244, 184, 96, 0.28), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(21, 122, 91, 0.13), transparent 30%),
        linear-gradient(180deg, #fbf7ef 0%, #fffaf1 48%, #f8f3ea 100%);
      line-height: 1.7;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(251, 247, 239, 0.86);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(234, 223, 206, 0.76);
    }

    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      letter-spacing: -0.02em;
      color: #1f2d2a;
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--brand), #42a37b);
      display: grid;
      place-items: center;
      color: #ffffff;
      font-size: 18px;
      box-shadow: 0 10px 24px rgba(21, 122, 91, 0.22);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #4b5a60;
      font-size: 14px;
    }

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .nav-links a:hover {
      color: var(--brand-strong);
      background: rgba(21, 122, 91, 0.08);
    }

    .nav-action {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 9px 16px;
      border-radius: 999px;
      color: #ffffff;
      background: var(--brand);
      font-weight: 700;
      font-size: 14px;
      box-shadow: 0 12px 24px rgba(21, 122, 91, 0.18);
      transition: transform 0.2s ease, background 0.2s ease;
      white-space: nowrap;
    }

    .nav-action:hover {
      background: var(--brand-strong);
      transform: translateY(-1px);
    }

    .menu-button {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      background: var(--card);
      border-radius: 14px;
      color: var(--text);
      cursor: pointer;
    }

    main {
      overflow: hidden;
    }

    .hero {
      padding: 72px 0 54px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
      gap: 32px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border: 1px solid rgba(21, 122, 91, 0.16);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.72);
      color: var(--brand-strong);
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--warm);
      box-shadow: 0 0 0 6px rgba(244, 184, 96, 0.18);
    }

    h1 {
      margin: 18px 0 18px;
      font-size: clamp(36px, 7vw, 68px);
      line-height: 1.05;
      letter-spacing: -0.06em;
      color: #172522;
    }

    .hero-lead {
      max-width: 690px;
      margin: 0;
      color: #516068;
      font-size: 17px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 30px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 16px;
      font-weight: 800;
      transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    }

    .btn-primary {
      color: #ffffff;
      background: linear-gradient(135deg, var(--brand), #26946f);
      box-shadow: 0 16px 28px rgba(21, 122, 91, 0.2);
    }

    .btn-secondary {
      color: #263238;
      background: #ffffff;
      border: 1px solid var(--line);
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .hero-note {
      margin-top: 18px;
      color: #728087;
      font-size: 13px;
    }

    .quote-card {
      position: relative;
      padding: 28px;
      border-radius: 30px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 250, 241, 0.94)),
        var(--card);
      border: 1px solid rgba(234, 223, 206, 0.88);
      box-shadow: var(--shadow);
      animation: floatCard 5.8s ease-in-out infinite;
    }

    .quote-card::after {
      content: "";
      position: absolute;
      right: 22px;
      top: 22px;
      width: 76px;
      height: 76px;
      border-radius: 26px;
      background: linear-gradient(135deg, rgba(244, 184, 96, 0.32), rgba(21, 122, 91, 0.13));
      z-index: 0;
    }

    .quote-card > * {
      position: relative;
      z-index: 1;
    }

    .quote-title {
      margin: 0 0 14px;
      font-size: 22px;
      line-height: 1.3;
      color: #20302d;
    }

    .price-list {
      display: grid;
      gap: 12px;
      margin: 22px 0;
    }

    .price-row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 18px;
      padding: 14px 0;
      border-bottom: 1px dashed #dfd3bf;
    }

    .price-row:last-child {
      border-bottom: 0;
    }

    .price-row strong {
      display: block;
      color: #21302d;
      font-size: 15px;
    }

    .price-row span {
      color: #66747a;
      font-size: 13px;
    }

    .price-tag {
      flex: 0 0 auto;
      padding: 6px 10px;
      border-radius: 999px;
      background: var(--warm-soft);
      color: #7a4b08;
      font-weight: 800;
      font-size: 13px;
      white-space: nowrap;
    }

    .small-tip {
      padding: 14px 16px;
      border-radius: 18px;
      background: rgba(21, 122, 91, 0.08);
      color: #315047;
      font-size: 14px;
    }

    section {
      padding: 34px 0;
    }

    .section-head {
      display: flex;
      align-items: end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 22px;
    }

    .section-kicker {
      margin: 0 0 8px;
      color: var(--brand-strong);
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    h2 {
      margin: 0;
      font-size: clamp(26px, 4vw, 40px);
      line-height: 1.18;
      letter-spacing: -0.04em;
      color: #1c2b28;
    }

    .section-summary {
      max-width: 420px;
      margin: 0;
      color: var(--muted);
      font-size: 15px;
    }

    .factor-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 16px;
    }

    .factor-card {
      padding: 22px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.82);
      border: 1px solid rgba(234, 223, 206, 0.9);
      box-shadow: 0 12px 28px rgba(68, 48, 20, 0.05);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .factor-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 34px rgba(68, 48, 20, 0.09);
    }

    .factor-icon {
      width: 40px;
      height: 40px;
      margin-bottom: 14px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: #ecf7f2;
      color: var(--brand-strong);
      font-weight: 900;
    }

    h3 {
      margin: 0 0 9px;
      font-size: 18px;
      line-height: 1.35;
      color: #24322f;
    }

    .factor-card p,
    .plain-card p,
    .faq-answer {
      margin: 0;
      color: #5e6c72;
      font-size: 14px;
    }

    .split-panel {
      display: grid;
      grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
      gap: 18px;
      align-items: stretch;
    }

    .plain-card {
      padding: 26px;
      border-radius: 26px;
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(234, 223, 206, 0.9);
      box-shadow: 0 14px 34px rgba(68, 48, 20, 0.06);
    }

    .check-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 0;
      display: grid;
      gap: 12px;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: #4f5f65;
      font-size: 15px;
    }

    .check-list li::before {
      content: "✓";
      flex: 0 0 22px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      display: grid;
      place-items: center;
      background: #e9f5ef;
      color: var(--brand-strong);
      font-size: 13px;
      font-weight: 900;
      margin-top: 2px;
    }

    .steps {
      counter-reset: step;
      display: grid;
      gap: 12px;
      margin-top: 4px;
    }

    .step {
      counter-increment: step;
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      padding: 16px;
      border-radius: 20px;
      background: #fffaf1;
      border: 1px solid #efe3d0;
    }

    .step::before {
      content: counter(step);
      width: 32px;
      height: 32px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: var(--brand);
      color: #ffffff;
      font-weight: 900;
    }

    .step strong {
      display: block;
      margin-bottom: 4px;
      color: #263238;
    }

    .step span {
      display: block;
      color: #63717a;
      font-size: 14px;
    }

    .compare {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
    }

    .compare-card {
      padding: 24px;
      border-radius: 24px;
      background: #ffffff;
      border: 1px solid rgba(234, 223, 206, 0.95);
      box-shadow: 0 12px 28px rgba(68, 48, 20, 0.05);
    }

    .compare-card.featured {
      background: linear-gradient(180deg, #ffffff, #f3fbf7);
      border-color: rgba(21, 122, 91, 0.2);
    }

    .compare-card ul {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 9px;
    }

    .compare-card li {
      color: #5d6b71;
      font-size: 14px;
    }

    .faq-wrap {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border: 1px solid rgba(234, 223, 206, 0.95);
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.86);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      border: 0;
      background: transparent;
      color: #22312e;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      text-align: left;
      font: inherit;
      font-weight: 800;
      cursor: pointer;
    }

    .faq-question span:last-child {
      width: 26px;
      height: 26px;
      border-radius: 10px;
      display: grid;
      place-items: center;
      background: #f6ead7;
      color: #7a4b08;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .faq-item.active .faq-question span:last-child {
      transform: rotate(45deg);
    }

    .notice {
      padding: 28px;
      border-radius: 28px;
      background:
        linear-gradient(135deg, rgba(21, 122, 91, 0.1), rgba(244, 184, 96, 0.22)),
        #fffdf8;
      border: 1px solid rgba(234, 223, 206, 0.92);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
    }

    .notice p {
      margin: 10px 0 0;
      color: #59686e;
    }

    .site-footer {
      margin-top: 28px;
      padding: 28px 0;
      background: #f0eadf;
      border-top: 1px solid #ded2bf;
      color: #34413e;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: #3c5b52;
      font-weight: 700;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.58s ease, transform 0.58s ease;
    }

    .reveal.show {
      opacity: 1;
      transform: translateY(0);
    }

    @keyframes floatCard {
      0%, 100% {
        transform: translateY(0);
      }
      50% {
        transform: translateY(-8px);
      }
    }

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

      .factor-grid,
      .compare {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .section-head {
        align-items: flex-start;
        flex-direction: column;
      }

      .nav-links {
        position: absolute;
        left: 20px;
        right: 20px;
        top: 72px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: #fffdf8;
        box-shadow: var(--shadow);
        display: none;
        flex-direction: column;
        align-items: stretch;
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links a {
        padding: 12px 14px;
      }

      .menu-button {
        display: inline-grid;
        place-items: center;
      }

      .nav-action {
        display: none;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 28px, var(--container));
      }

      .hero {
        padding: 46px 0 34px;
      }

      section {
        padding: 28px 0;
      }

      .factor-grid,
      .compare {
        grid-template-columns: 1fr;
      }

      .quote-card,
      .plain-card,
      .notice {
        padding: 22px;
        border-radius: 24px;
      }

      .hero-actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .footer-inner {
        align-items: flex-start;
        flex-direction: column;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      html {
        scroll-behavior: auto;
      }

      *,
      *::before,
      *::after {
        animation: none !important;
        transition: none !important;
      }

      .reveal {
        opacity: 1;
        transform: none;
      }
    }