:root {
      --bg: #f8faf8;
      --panel: #ffffff;
      --panel-soft: #f1f5f1;
      --text: #1f2a2e;
      --muted: #637174;
      --line: #dfe7e2;
      --brand: #4f7d6b;
      --brand-dark: #2f5d4d;
      --accent: #d6e7de;
      --warm: #f5efe4;
      --shadow: 0 18px 48px rgba(42, 69, 57, 0.10);
      --radius: 22px;
      --container: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(214, 231, 222, 0.72), transparent 28%),
        radial-gradient(circle at 90% 18%, rgba(245, 239, 228, 0.82), transparent 30%),
        linear-gradient(180deg, #fbfcfb 0%, var(--bg) 48%, #f6f8f6 100%);
      line-height: 1.7;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      width: min(100% - 32px, var(--container));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(248, 250, 248, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(223, 231, 226, 0.9);
    }

    .nav {
      min-height: 68px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      letter-spacing: 0.03em;
      color: var(--brand-dark);
      white-space: nowrap;
    }

    .brand-mark {
      width: 40px;
      height: 40px;
      display: grid;
      place-items: center;
      border-radius: 14px;
      background: linear-gradient(135deg, #eff7f2, #d7e8df);
      border: 1px solid #c8dcd0;
      box-shadow: 0 10px 22px rgba(79, 125, 107, 0.18);
      color: var(--brand-dark);
      font-size: 22px;
    }

    .brand-name {
      font-size: 17px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
    }

    .nav-links a {
      padding: 9px 12px;
      border-radius: 999px;
      color: #314044;
      font-size: 14px;
      transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    }

    .nav-links a:hover {
      background: var(--accent);
      color: var(--brand-dark);
      transform: translateY(-1px);
    }

    .nav-call {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 9px 16px;
      border-radius: 999px;
      background: var(--brand-dark);
      color: #ffffff;
      font-weight: 700;
      font-size: 14px;
      box-shadow: 0 12px 26px rgba(47, 93, 77, 0.20);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      border-radius: 14px;
      background: #ffffff;
      color: var(--text);
      font-size: 22px;
      cursor: pointer;
    }

    main {
      position: relative;
    }

    section {
      padding: 52px 0;
    }

    .hero {
      padding: 58px 0 46px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.92fr);
      gap: 34px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
      padding: 7px 12px;
      border-radius: 999px;
      background: rgba(214, 231, 222, 0.78);
      color: var(--brand-dark);
      font-size: 13px;
      font-weight: 700;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--brand);
      box-shadow: 0 0 0 5px rgba(79, 125, 107, 0.12);
    }

    h1 {
      margin: 0;
      font-size: clamp(30px, 5vw, 54px);
      line-height: 1.12;
      letter-spacing: -0.04em;
      color: #172126;
    }

    .hero-desc {
      margin: 18px 0 0;
      max-width: 680px;
      color: var(--muted);
      font-size: clamp(16px, 2.2vw, 18px);
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 12px 20px;
      border-radius: 14px;
      font-weight: 760;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

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

    .btn-primary {
      background: var(--brand-dark);
      color: #ffffff;
      box-shadow: 0 14px 28px rgba(47, 93, 77, 0.22);
    }

    .btn-primary:hover {
      background: #244d40;
    }

    .btn-secondary {
      background: #ffffff;
      color: var(--brand-dark);
      border: 1px solid #c9d9d0;
    }

    .btn-secondary:hover {
      box-shadow: 0 12px 24px rgba(42, 69, 57, 0.10);
    }

    .hero-points {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      margin-top: 28px;
      max-width: 680px;
    }

    .point {
      padding: 13px 14px;
      border: 1px solid rgba(223, 231, 226, 0.95);
      border-radius: 16px;
      background: rgba(255, 255, 255, 0.72);
      color: #344347;
      font-size: 14px;
    }

    .visual-card {
      position: relative;
      padding: 18px;
      border-radius: 30px;
      background: linear-gradient(145deg, #ffffff, #eef5f0);
      border: 1px solid rgba(205, 220, 211, 0.95);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .visual-card::before {
      content: "";
      position: absolute;
      inset: 16px 16px auto auto;
      width: 92px;
      height: 92px;
      border-radius: 30px;
      background: rgba(214, 231, 222, 0.7);
      transform: rotate(10deg);
    }

    .phone-frame {
      position: relative;
      z-index: 1;
      padding: 14px;
      border-radius: 26px;
      background: #f9fbf9;
      border: 1px solid var(--line);
    }

    .phone-frame img {
      width: 100%;
      border-radius: 20px;
      object-fit: contain;
      background: #ffffff;
    }

    .notice-strip {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1fr;
      gap: 8px;
      margin-top: 14px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.86);
      border: 1px solid rgba(223, 231, 226, 0.95);
    }

    .notice-strip strong {
      color: var(--brand-dark);
      font-size: 18px;
    }

    .notice-strip span {
      color: var(--muted);
      font-size: 14px;
    }

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

    .section-kicker {
      margin: 0 0 8px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.08em;
    }

    h2 {
      margin: 0;
      color: #1d2a2e;
      font-size: clamp(24px, 3.8vw, 36px);
      line-height: 1.22;
      letter-spacing: -0.03em;
    }

    .section-head p {
      margin: 0;
      max-width: 430px;
      color: var(--muted);
      font-size: 15px;
    }

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

    .service-card {
      padding: 22px;
      min-height: 168px;
      border-radius: var(--radius);
      background: rgba(255, 255, 255, 0.78);
      border: 1px solid rgba(223, 231, 226, 0.95);
      box-shadow: 0 10px 28px rgba(42, 69, 57, 0.06);
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      border-color: #c4d8cc;
      box-shadow: 0 18px 38px rgba(42, 69, 57, 0.11);
    }

    .service-icon {
      width: 42px;
      height: 42px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      border-radius: 15px;
      background: var(--panel-soft);
      color: var(--brand-dark);
      font-weight: 900;
    }

    h3 {
      margin: 0 0 8px;
      font-size: 18px;
      color: #223035;
      line-height: 1.35;
    }

    .service-card p,
    .solution-card p,
    .guarantee-card p,
    .contact-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14.5px;
    }

    .solution-wrap {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 18px;
      align-items: stretch;
    }

    .answer-panel {
      padding: 28px;
      border-radius: 28px;
      background: linear-gradient(145deg, #eef6f1, #ffffff);
      border: 1px solid #d7e5dc;
      box-shadow: var(--shadow);
    }

    .answer-panel .big {
      margin: 0 0 10px;
      color: var(--brand-dark);
      font-size: clamp(24px, 3vw, 34px);
      line-height: 1.25;
      font-weight: 850;
      letter-spacing: -0.03em;
    }

    .answer-panel p {
      margin: 0;
      color: #526366;
    }

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

    .solution-card {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 14px;
      padding: 20px;
      border-radius: 22px;
      background: rgba(255, 255, 255, 0.80);
      border: 1px solid rgba(223, 231, 226, 0.96);
    }

    .step-num {
      width: 34px;
      height: 34px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: #e3efe8;
      color: var(--brand-dark);
      font-weight: 800;
      flex: 0 0 auto;
    }

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

    .guarantee-card {
      padding: 22px;
      border-radius: 22px;
      background: #ffffff;
      border: 1px solid rgba(223, 231, 226, 0.95);
    }

    .guarantee-card strong {
      display: inline-flex;
      margin-bottom: 8px;
      color: var(--brand-dark);
      font-size: 15px;
    }

    .policy-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 18px;
    }

    .policy-item {
      padding: 16px;
      border-radius: 18px;
      background: rgba(241, 245, 241, 0.78);
      border: 1px solid #dfe7e2;
      color: #405052;
      font-size: 14px;
    }

    .contact-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(280px, 0.88fr);
      gap: 18px;
      align-items: stretch;
    }

    .contact-card {
      padding: 26px;
      border-radius: 28px;
      background: #ffffff;
      border: 1px solid rgba(223, 231, 226, 0.95);
      box-shadow: 0 12px 34px rgba(42, 69, 57, 0.07);
    }

    .info-list {
      display: grid;
      gap: 13px;
      margin-top: 18px;
    }

    .info-row {
      display: grid;
      grid-template-columns: 88px 1fr;
      gap: 12px;
      padding-bottom: 13px;
      border-bottom: 1px solid #edf1ee;
      color: #354448;
      font-size: 15px;
    }

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

    .info-row span {
      color: var(--muted);
      font-weight: 700;
    }

    .map-link {
      color: #0066cc;
      text-decoration: none;
      font-weight: 700;
    }

    .qr-panel {
      display: grid;
      gap: 14px;
      padding: 22px;
      border-radius: 28px;
      background: linear-gradient(160deg, #f7fbf8, #f5efe4);
      border: 1px solid #dfe7e2;
    }

    .qr-box {
      padding: 14px;
      border-radius: 22px;
      background: #ffffff;
      border: 1px solid #dfe7e2;
    }

    .qr-box img {
      width: 100%;
      max-width: 260px;
      margin: 0 auto;
      border-radius: 14px;
      object-fit: contain;
    }

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

    .faq-item {
      border: 1px solid rgba(223, 231, 226, 0.95);
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.82);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      min-height: 56px;
      padding: 16px 18px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      border: 0;
      background: transparent;
      color: #223035;
      font: inherit;
      font-weight: 800;
      text-align: left;
      cursor: pointer;
    }

    .faq-question span:last-child {
      width: 26px;
      height: 26px;
      display: grid;
      place-items: center;
      border-radius: 50%;
      background: var(--panel-soft);
      color: var(--brand-dark);
      flex: 0 0 auto;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .faq-answer p {
      margin: 0;
      padding: 0 18px 18px;
      color: var(--muted);
      font-size: 15px;
    }

    .faq-item.active .faq-answer {
      max-height: 180px;
    }

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

    .links-panel {
      padding: 24px;
      border-radius: 26px;
      background: rgba(255, 255, 255, 0.72);
      border: 1px solid rgba(223, 231, 226, 0.95);
    }

    .link-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 10px 18px;
      margin-top: 14px;
    }

    .link-grid a {
      color: #365d50;
      font-size: 14px;
      line-height: 1.5;
    }

    .link-grid a:hover {
      color: var(--brand-dark);
      text-decoration: underline;
    }

    .site-footer {
      margin-top: 10px;
      background: #eef4f0;
      border-top: 1px solid #d7e2dc;
      color: #263538;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 22px 0;
    }

    .footer-inner p {
      margin: 0;
      color: #4f5f62;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-end;
      gap: 12px;
    }

    .footer-links a {
      color: #2f5d4d;
      font-size: 14px;
      font-weight: 700;
    }

    .reveal {
      opacity: 0;
      transform: translateY(18px);
      transition: opacity 0.55s ease, transform 0.55s ease;
    }

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

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

      .reveal,
      .btn,
      .service-card,
      .nav-links a,
      .faq-answer {
        transition: none;
      }
    }

    @media (max-width: 920px) {
      .menu-toggle {
        display: inline-grid;
        place-items: center;
      }

      .nav {
        position: relative;
      }

      .nav-links {
        position: absolute;
        top: calc(100% + 10px);
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 20px;
        background: #ffffff;
        box-shadow: var(--shadow);
      }

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

      .nav-links a,
      .nav-call {
        width: 100%;
        justify-content: center;
        min-height: 44px;
      }

      .hero-grid,
      .solution-wrap,
      .contact-layout {
        grid-template-columns: 1fr;
      }

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

      .section-head {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 24px, var(--container));
      }

      section {
        padding: 38px 0;
      }

      .hero {
        padding: 38px 0 30px;
      }

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

      .btn {
        width: 100%;
      }

      .hero-points,
      .service-grid,
      .guarantee-grid,
      .policy-list,
      .link-grid {
        grid-template-columns: 1fr;
      }

      .visual-card,
      .answer-panel,
      .contact-card,
      .qr-panel {
        border-radius: 22px;
      }

      .info-row {
        grid-template-columns: 1fr;
        gap: 4px;
      }

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

      .footer-links {
        justify-content: flex-start;
      }
    }