:root {
  --blue-900: #0f172a;
  --blue-800: #1e3a8a;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-200: #bfdbfe;
  --blue-100: #dbeafe;
  --text: #0f172a;
  --muted: #475569;
  --card: #ffffff;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 800px at 20% -10%, #e0f2fe, #ffffff 55%);
}
.header {
  background: linear-gradient(135deg, var(--blue-900), var(--blue-700));
  color: #fff;
  padding: 24px 0;
}
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}
.brand {
  font-weight: 800;
  font-size: 1.6rem;
  letter-spacing: 0.5px;
}
.hero {
  padding: 48px 0 28px;
}
.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
.internal-banner {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue-600), var(--blue-500));
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  font-size: 0.85rem;
}
.internal-text {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 800;
  margin: 18px 0 10px;
  color: var(--blue-900);
}
.subtitle {
  color: var(--muted);
  font-size: 1rem;
  max-width: 760px;
}
.links {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  background: var(--blue-100);
  color: var(--blue-800);
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid var(--blue-200);
}
.link-btn:hover { background: var(--blue-200); }
.notice {
  margin-top: 16px;
  font-size: 0.95rem;
  color: var(--muted);
}
.footer {
  padding: 24px 0 36px;
  color: var(--muted);
  font-size: 0.85rem;
}
.policy {
  padding: 32px 0 40px;
}
.policy h1 { color: var(--blue-900); }
.policy h2 { color: var(--blue-800); margin-top: 22px; }
.policy p { color: #334155; line-height: 1.7; }
.policy ul { color: #334155; line-height: 1.7; }
.badge {
  display: inline-block;
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: #e0e7ff;
  color: #3730a3;
  font-weight: 600;
}