:root {
  color-scheme: light dark;
  --bg: #0f0f10;
  --fg: #f2f0ec;
  --muted: #a8a59e;
  --accent: #e8c15a;
  --card: #1a1a1b;
  --border: #2d2d2f;
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP",
    "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  padding: 2.5rem 1.25rem 5rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

header.page-header {
  margin-bottom: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
}

h1 {
  font-size: 1.75rem;
  margin: 1rem 0 0.25rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.4rem;
}

h3 {
  font-size: 1rem;
  margin: 1.25rem 0 0.4rem;
  color: var(--muted);
}

p {
  margin: 0.6rem 0;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
}

.lang-block {
  margin-top: 1rem;
}

.lang-rule {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.lang-tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  margin-bottom: 1rem;
}

.draft-banner {
  background: #3a2a12;
  border: 1px solid #6b4b1c;
  color: #f3d489;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.draft-banner strong {
  color: #ffdf8a;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.92rem;
}

th,
td {
  text-align: left;
  padding: 0.55rem 0.6rem;
  border: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--card);
  color: var(--muted);
  font-weight: 600;
}

ul {
  padding-left: 1.3rem;
}

li {
  margin: 0.3rem 0;
}

a {
  color: var(--accent);
}

footer.page-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

code {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
}