:root {
  color-scheme: light dark;
  --bg: #f9fafb;
  --fg: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #0d9488;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --fg: #f9fafb;
    --muted: #9ca3af;
    --border: #374151;
    --card: #1f2937;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
}
a { color: var(--accent); }
header, main, footer {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}
header {
  border-bottom: 1px solid var(--border);
  padding-top: 2rem;
}
header a.home {
  text-decoration: none;
  font-weight: 700;
  color: var(--fg);
}
header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
h1 { font-size: 1.75rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.6rem; }
p, li { color: var(--fg); }
ul { padding-left: 1.25rem; }
.meta {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}
.notice {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem 1.1rem;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}
footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  padding-bottom: 2.5rem;
}
nav.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: 1rem;
  font-size: 0.85rem;
}