:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #4b5563;
  --line: #e5e7eb;
  --bg: #f9fafb;
  --card: #ffffff;
  --accent: #4f46e5;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1rem 4rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: 1.75rem 1.5rem;
}
h1 { font-size: 1.875rem; margin: 0 0 0.5rem; line-height: 1.2; }
h2 { font-size: 1.2rem; margin: 2rem 0 0.75rem; }
p, li { font-size: 0.95rem; color: var(--muted); }
ul { padding-left: 1.25rem; }
li { margin: 0.4rem 0; }
a { color: var(--accent); }
.meta { font-size: 0.875rem; color: var(--muted); margin: 0 0 1.5rem; }
.notice {
  border: 1px solid #fde68a;
  background: #fffbeb;
  color: #78350f;
  border-radius: 0.75rem;
  padding: 0.9rem 1rem;
  font-family: system-ui, sans-serif;
  font-size: 0.9rem;
}
nav { font-family: system-ui, sans-serif; font-size: 0.875rem; margin-bottom: 1.25rem; }
nav a { margin-right: 1rem; text-decoration: none; }
nav a:hover { text-decoration: underline; }
strong { color: var(--ink); }
.list a { display: block; margin: 0.75rem 0; }