*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

    :root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --primary-light: #dbeafe;
      --text: #1e293b;
      --text-light: #64748b;
      --bg: #ffffff;
      --bg-gray: #f8fafc;
      --bg-dark: #0f172a;
      --radius: 12px;
      --shadow: 0 4px 24px rgba(0,0,0,0.08);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
      color: var(--text);
      line-height: 1.8;
      overflow-x: hidden;
      background: var(--bg);
    }

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

    .container { max-width: 800px; margin: 0 auto; padding: 0 20px; }

    /* ===== Header ===== */
    header {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
      background: rgba(255,255,255,0.92); backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(0,0,0,0.06);
      box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 64px; max-width: 1100px; margin: 0 auto; padding: 0 20px;
    }
    .logo {
      font-size: 1.4rem; font-weight: 800; color: var(--primary);
      display: flex; align-items: center; gap: 8px;
    }
    .logo svg { width: 28px; height: 28px; }
    .header-cta {
      font-size: 0.85rem; font-weight: 700; color: #fff; background: var(--primary);
      padding: 8px 20px; border-radius: 100px; transition: background 0.2s, transform 0.2s;
    }
    .header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); }

    /* ===== Page Hero ===== */
    .page-hero {
      padding: 120px 0 48px;
      background: linear-gradient(170deg, #eff6ff 0%, #fff 60%);
      text-align: center;
    }
    .page-hero h1 {
      font-size: clamp(1.6rem, 4vw, 2.2rem);
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 8px;
    }
    .page-hero p { font-size: 0.9rem; color: var(--text-light); }

    /* ===== Content ===== */
    .content { padding: 48px 0 80px; }

    .info-table {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      margin-top: 8px;
    }
    .info-table tr { border-bottom: 1px solid #f1f5f9; }
    .info-table tr:last-child { border-bottom: none; }
    .info-table th {
      background: var(--bg-gray);
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text);
      padding: 16px 20px;
      text-align: left;
      white-space: nowrap;
      vertical-align: top;
      width: 180px;
    }
    .info-table td {
      font-size: 0.9rem;
      color: var(--text);
      padding: 16px 20px;
      line-height: 1.8;
    }

    /* ===== Back Link ===== */
    .back-link {
      display: inline-flex; align-items: center; gap: 6px;
      font-size: 0.95rem; font-weight: 600; color: var(--primary);
      margin-top: 40px; transition: opacity 0.2s;
    }
    .back-link:hover { opacity: 0.7; }

    /* ===== Footer ===== */
    footer { background: var(--bg-dark); color: #94a3b8; padding: 32px 0; text-align: center; }
    footer p { font-size: 0.8rem; }

    @media (max-width: 768px) {
      .page-hero { padding: 100px 0 36px; }
      .content { padding: 36px 0 60px; }
      .info-table th {
        display: block; width: 100%;
        padding: 12px 16px 4px; border-bottom: none;
      }
      .info-table td {
        display: block; width: 100%;
        padding: 4px 16px 16px;
      }
      .info-table tr { border-bottom: 1px solid #e2e8f0; }
    }