:root {
  --bg: #fbfaf7;
  --fg: #222;
  --muted: #5b5b5b;
  --accent: #8a3b5c;
  --accent-soft: #f4e8ee;
  --line: #ddd6cf;
  --card: #fff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1a19;
    --fg: #eee;
    --muted: #b5b0aa;
    --accent: #e7a3c0;
    --accent-soft: #3a2a31;
    --line: #3d3935;
    --card: #242220;
  }
}
* { box-sizing: border-box; }
html { font-size: 19px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "BIZ UDPGothic", "Yu Gothic", "Meiryo", sans-serif;
  line-height: 1.85;
}
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
header.site .inner, main, footer {
  max-width: none;
  margin: 0;
  padding: 0 clamp(16px, 3vw, 40px);
}
header.site .inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
header.site .name { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
nav a { margin-right: 18px; color: var(--accent); }
main { padding-top: 28px; padding-bottom: 48px; }
h1 { font-size: 1.6rem; line-height: 1.4; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 40px 0 10px; padding-left: 10px; border-left: 6px solid var(--accent); }
h3 { font-size: 1.1rem; margin: 26px 0 6px; }
p, li { margin: 6px 0; }
a { color: var(--accent); }
.lead { color: var(--muted); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
  margin: 16px 0;
}
.card.recommend { border: 2px solid var(--accent); }
.badge {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  padding: 0 12px;
  font-size: .85rem;
  margin-left: 8px;
  vertical-align: middle;
}
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; margin: 10px 0; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: 8px 10px; vertical-align: top; text-align: left; }
th { background: var(--accent-soft); white-space: nowrap; }
td.num { text-align: right; white-space: nowrap; }
tr.total td { font-weight: 700; }
.timeline { list-style: none; padding: 0; }
.timeline li { display: flex; gap: 14px; padding: 6px 0; border-bottom: 1px dashed var(--line); }
.timeline .y { flex: 0 0 5.5em; color: var(--muted); }
.stats { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; }
.stat { flex: 1 1 150px; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; }
.stat b { display: block; font-size: 1.6rem; color: var(--accent); line-height: 1.3; }
.note { font-size: .9rem; color: var(--muted); }
.menu { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.menu a.card { display: block; text-decoration: none; color: var(--fg); }
.menu a.card strong { color: var(--accent); font-size: 1.15rem; }
footer { color: var(--muted); font-size: .85rem; padding-bottom: 40px; }
@media print {
  header.site nav { display: none; }
  body { background: #fff; color: #000; }
}
.outline { margin: 12px 0; }
.outline .ch { font-weight: 700; margin: 18px 0 4px; padding-bottom: 2px; border-bottom: 1px solid var(--line); }
.outline .ch:first-child { margin-top: 4px; }
.outline .sec { margin: 2px 0 2px 1.2em; }
.outline .ch-note { margin: 2px 0 2px 1.2em; color: var(--muted); font-size: .9rem; }
.outline .no { display: inline-block; min-width: 2.6em; color: var(--accent); font-variant-numeric: tabular-nums; }
.outline .meta { margin-left: 12px; font-weight: 400; font-size: .9rem; color: var(--muted); }
.total { font-weight: 700; }
.summary { background: var(--accent-soft); border-left: 6px solid var(--accent); border-radius: 6px; padding: 12px 16px; margin: 0 0 16px; }
.summary-main { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.summary-diff { margin: 0; }
.summary .label { display: inline-block; background: var(--accent); color: #fff; border-radius: 4px; padding: 0 8px; margin-right: 8px; font-size: .85rem; font-weight: 700; }