:root {
      --navy: #162847;
      --navy-light: #284978;
      --gold: #d2aa45;
      --background: #f7f8fa;
      --surface: #ffffff;
      --surface-secondary: #f0f3f7;
      --text: #1a1a1a;
      --text-secondary: #626d7e;
      --border: #e2e7ee;
      --success: #168447;
      --shadow: rgba(22, 40, 71, 0.09);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 90px;
    }

    body {
      margin: 0;
      color: var(--text);
      background: var(--background);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;
      line-height: 1.7;
    }

    a {
      color: var(--navy-light);
      text-decoration-thickness: 1px;
      text-underline-offset: 3px;
    }

    a:hover,
    a:focus {
      color: var(--navy);
    }

    .site-header {
      color: #ffffff;
      background:
        radial-gradient(
          circle at top right,
          rgba(210, 170, 69, 0.28),
          transparent 38%
        ),
        linear-gradient(135deg, #162847, #284978);
    }

    .navigation {
      width: min(1120px, calc(100% - 40px));
      margin: auto;
      padding: 22px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      color: #ffffff;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.4px;
      text-decoration: none;
    }

    .navigation-links {
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .navigation-links a {
      color: rgba(255, 255, 255, 0.9);
      font-size: 14px;
      font-weight: 700;
      text-decoration: none;
    }

    .navigation-links a:hover,
    .navigation-links a:focus {
      color: #ffffff;
    }

    .hero {
      width: min(820px, calc(100% - 40px));
      margin: auto;
      padding: 72px 0 94px;
      text-align: center;
    }

    .eyebrow {
      margin: 0 0 12px;
      color: #f0d487;
      font-size: 13px;
      font-weight: 800;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }

    h1 {
      margin: 0;
      font-size: clamp(40px, 8vw, 66px);
      line-height: 1.05;
      letter-spacing: -2px;
    }

    .hero-description {
      max-width: 690px;
      margin: 22px auto 0;
      color: rgba(255, 255, 255, 0.82);
      font-size: 18px;
    }

    .effective-date {
      display: inline-block;
      margin-top: 26px;
      padding: 8px 14px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 999px;
      color: rgba(255, 255, 255, 0.9);
      background: rgba(255, 255, 255, 0.08);
      font-size: 13px;
      font-weight: 700;
    }

    .page-layout {
      width: min(1120px, calc(100% - 40px));
      margin: -42px auto 72px;
      display: grid;
      grid-template-columns: 260px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .contents {
      position: sticky;
      top: 22px;
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--surface);
      box-shadow: 0 14px 38px var(--shadow);
    }

    .contents h2 {
      margin: 0 0 14px;
      color: var(--navy);
      font-size: 15px;
      letter-spacing: 0.6px;
      text-transform: uppercase;
    }

    .contents ol {
      margin: 0;
      padding-left: 20px;
    }

    .contents li {
      margin: 8px 0;
      color: var(--text-secondary);
      font-size: 13px;
    }

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

    .contents a:hover,
    .contents a:focus {
      color: var(--navy);
      text-decoration: underline;
    }

    .policy {
      overflow: hidden;
      border: 1px solid var(--border);
      border-radius: 20px;
      background: var(--surface);
      box-shadow: 0 14px 38px var(--shadow);
    }

    .policy-introduction {
      padding: 30px;
      border-bottom: 1px solid var(--border);
      background: linear-gradient(
        135deg,
        rgba(22, 40, 71, 0.045),
        rgba(210, 170, 69, 0.08)
      );
    }

    .policy-introduction p {
      margin: 0;
      color: var(--text-secondary);
      font-size: 16px;
    }

    .policy-section {
      padding: 30px;
      border-bottom: 1px solid var(--border);
      scroll-margin-top: 22px;
    }

    .policy-section:last-child {
      border-bottom: 0;
    }

    .section-number {
      display: inline-flex;
      width: 34px;
      height: 34px;
      margin-bottom: 12px;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      color: var(--navy);
      background: rgba(210, 170, 69, 0.2);
      font-size: 13px;
      font-weight: 850;
    }

    .policy-section h2 {
      margin: 0 0 12px;
      color: var(--navy);
      font-size: 25px;
      line-height: 1.25;
      letter-spacing: -0.5px;
    }

    .policy-section h3 {
      margin: 24px 0 8px;
      color: var(--navy);
      font-size: 17px;
    }

    .policy-section p {
      margin: 0 0 14px;
      color: var(--text-secondary);
    }

    .policy-section p:last-child {
      margin-bottom: 0;
    }

    .policy-section ul {
      margin: 12px 0 0;
      padding-left: 24px;
      color: var(--text-secondary);
    }

    .policy-section li {
      margin: 9px 0;
      padding-left: 4px;
    }

    .notice {
      margin-top: 20px;
      padding: 17px 18px;
      border-left: 4px solid var(--gold);
      border-radius: 0 12px 12px 0;
      color: var(--text-secondary);
      background: #fff9e9;
    }

    .contact-card {
      margin-top: 20px;
      padding: 22px;
      border: 1px solid var(--border);
      border-radius: 14px;
      background: var(--surface-secondary);
    }

    .contact-card address {
      color: var(--text-secondary);
      font-style: normal;
    }

    .contact-card strong {
      color: var(--navy);
    }

    .site-footer {
      padding: 36px 20px;
      color: rgba(255, 255, 255, 0.72);
      background: var(--navy);
      text-align: center;
    }

    .site-footer p {
      margin: 7px 0;
    }

    .site-footer a {
      color: #ffffff;
    }

    @media (max-width: 850px) {
      .page-layout {
        grid-template-columns: 1fr;
      }

      .contents {
        position: static;
      }

      .contents ol {
        columns: 2;
      }
    }

    @media (max-width: 600px) {
      .navigation {
        align-items: flex-start;
      }

      .navigation-links {
        gap: 12px;
      }

      .hero {
        padding: 50px 0 72px;
      }

      h1 {
        letter-spacing: -1.3px;
      }

      .page-layout {
        width: min(100% - 24px, 1120px);
        margin-top: -30px;
      }

      .contents ol {
        columns: 1;
      }

      .policy-introduction,
      .policy-section {
        padding: 22px;
      }
    }

    @media (prefers-color-scheme: dark) {
      :root {
        --background: #121212;
        --surface: #1e1e1e;
        --surface-secondary: #181818;
        --text: #f2f2f0;
        --text-secondary: #b2b6bd;
        --border: #313131;
        --shadow: rgba(0, 0, 0, 0.35);
      }

      .policy-introduction {
        background: #1b2130;
      }

      .notice {
        color: #e6d39a;
        background: #2b271b;
      }

      .policy-section h2,
      .policy-section h3,
      .contents h2,
      .contact-card strong {
        color: #d9bc6b;
      }

      a {
        color: #9bbbf0;
      }
    }