:root {
  --ink: #1a2733;
  --muted: #64748b;
  --line: #e2e8f0;
  --accent: #0369a1;
  --bg: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.7;
}
main { max-width: 880px; margin: 0 auto; padding: 0 16px 48px; }
a { color: var(--accent); }
h1 { font-size: 1.5rem; margin: 1.2em 0 0.6em; }
h2 { font-size: 1.15rem; margin: 1.6em 0 0.5em; border-left: 4px solid var(--accent); padding-left: 8px; }
.muted { color: var(--muted); font-size: 0.9em; }

.site-header {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap;
  padding: 10px 16px; border-bottom: 1px solid var(--line);
}
.site-title { font-weight: 700; text-decoration: none; color: var(--ink); }
.site-header nav a { margin-left: 12px; font-size: 0.95em; }
.breadcrumbs { max-width: 880px; margin: 8px auto 0; padding: 0 16px; font-size: 0.85em; color: var(--muted); }

table.muni-table { border-collapse: collapse; width: 100%; margin: 0.6em 0 1em; font-size: 0.95em; }
.muni-table th, .muni-table td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.muni-table th { background: #f1f5f9; }
.muni-table td.num { text-align: right; font-variant-numeric: tabular-nums; }

.band-chip { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 0.85em; white-space: nowrap; }
.band-soft  { background: #dbeafe; color: #1e40af; }
.band-msoft { background: #dcfce7; color: #166534; }
.band-hard  { background: #ffedd5; color: #9a3412; }
.band-vhard { background: #fee2e2; color: #991b1b; }
.legend { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 0.8em 0; }

.summary-box { border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin: 1em 0; background: #f8fafc; }
.summary-box .headline { font-size: 1.05em; margin: 0 0 0.4em; }
.who-note { font-size: 0.9em; color: var(--muted); }
.source-list { font-size: 0.9em; }
.caveats-list li { margin-bottom: 0.4em; }

.site-footer { border-top: 1px solid var(--line); margin-top: 32px; padding: 16px; font-size: 0.85em; color: var(--muted); }
.site-footer nav { margin: 8px 0; }
details summary { cursor: pointer; color: var(--accent); margin: 0.6em 0; }