:root {
  --ink: #16203c;
  --paper: #f2f4f8;
  --sheet: #ffffff;
  --rule: #ccd3e0;
  --muted: #5b6579;
  --accent: #a3123f;
  --mincho: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
  --gothic: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--gothic);
  font-size: 16px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--sheet);
  padding: 1.1rem 1.25rem 0.9rem;
}
.masthead__title {
  display: inline-block;
  font-family: var(--mincho);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
}
.masthead__source { margin: 0.2rem 0 0; font-size: 0.78rem; color: var(--muted); }

.page { max-width: 46rem; margin: 0 auto; padding: 1.75rem 1.25rem 3rem; }
.lead { margin: 0 0 1.5rem; max-width: 34em; }

.colophon {
  border-top: 1px solid var(--rule);
  padding: 1.25rem;
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
}
.colophon p { margin: 0.15rem 0; }

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-end;
  padding-bottom: 0.9rem;
  border-bottom: 2px solid var(--ink);
}
.controls__filter { display: flex; flex-direction: column; gap: 0.2rem; }
.controls__filter label,
.controls__legend { font-size: 0.75rem; color: var(--muted); }
.controls__filter input {
  font: inherit;
  padding: 0.4rem 0.55rem;
  min-width: 15rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--sheet);
  color: inherit;
}
.controls__sort { display: flex; align-items: center; flex-wrap: wrap; gap: 0.45rem; }

.sortkey {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--sheet);
  color: var(--muted);
  cursor: pointer;
}
.sortkey__dir { margin-left: 0.4em; font-size: 0.75rem; opacity: 0.85; }
.sortkey.is-active {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

.hitcount { margin: 0.8rem 0 0; font-size: 0.8rem; color: var(--muted); }
.notice {
  margin: 0.8rem 0 0;
  padding: 0.5rem 0.7rem;
  border-left: 3px solid var(--accent);
  font-size: 0.85rem;
}

.ledger { list-style: none; margin: 0.5rem 0 0; padding: 0; }
.entry { border-bottom: 1px solid var(--rule); }
.entry[hidden] { display: none; }

.entry__link {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: 0 1rem;
  padding: 0.85rem 0.4rem;
  text-decoration: none;
  color: inherit;
}
.entry__link:hover .entry__title { color: var(--accent); }

.entry__year {
  font-family: var(--mincho);
  font-size: 0.95rem;
  color: var(--muted);
  padding-top: 0.15rem;
  border-right: 1px solid var(--rule);
}
.entry__title {
  display: block;
  font-family: var(--mincho);
  font-size: 1.05rem;
  line-height: 1.5;
}
.entry__meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.crumb { font-size: 0.8rem; margin-bottom: 1.2rem; }

.record {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--ink);
  padding: 1.5rem 1.4rem;
}
.record__title {
  font-family: var(--mincho);
  font-size: 1.5rem;
  line-height: 1.45;
  margin: 0;
}
.record__kana { margin: 0.35rem 0 0; font-size: 0.8rem; color: var(--muted); }

.record__fields {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--rule);
}
.record__fields dt,
.record__fields dd {
  margin: 0;
  padding: 0.6rem 0.2rem;
  border-bottom: 1px solid var(--rule);
}
.record__fields dt { font-size: 0.82rem; color: var(--muted); }

.record__notes { margin-top: 1.5rem; }
.record__notes h2 { font-size: 0.9rem; margin: 0 0 0.4rem; }
.record__notes ul { margin: 0; padding-left: 1.2rem; font-size: 0.88rem; }

.record__out { margin: 1.6rem 0 0; }
.outlink {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.9rem;
}
.outlink:hover { background: var(--accent); color: var(--sheet); }

@media (max-width: 560px) {
  .entry__link { grid-template-columns: 4.2rem 1fr; gap: 0 0.7rem; }
  .record__fields { grid-template-columns: 1fr; }
  .record__fields dt { padding-bottom: 0; border-bottom: 0; }
  .controls__filter input { min-width: 0; width: 100%; }
  .controls__filter { width: 100%; }
}

/* ---------------------------------------------------------- ファセット */
.facet__title {
  font-family: var(--mincho);
  font-size: 1.5rem;
  margin: 0 0 0.3rem;
}
.facet__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1.5rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--rule);
}
.facet__nav a {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--sheet);
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--muted);
}
.facet__nav a.is-current {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}
.facet__count {
  margin-left: 0.45em;
  font-size: 0.75rem;
  opacity: 0.75;
}

.facet__nav--top { margin-bottom: 0.6rem; padding-bottom: 0.6rem; border-bottom: 0; }
.facet__group {
  align-self: center;
  font-size: 0.75rem;
  color: var(--muted);
  min-width: 4.5rem;
}

/* ---------------------------------------------------------- 統計 */
.stat__summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8rem, 1fr));
  gap: 1px;
  margin: 1.5rem 0 2rem;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.stat__summary > div { background: var(--sheet); padding: 0.8rem 0.9rem; }
.stat__summary dt { font-size: 0.72rem; color: var(--muted); margin: 0; }
.stat__summary dd {
  margin: 0.2rem 0 0;
  font-family: var(--mincho);
  font-size: 1.6rem;
  line-height: 1.2;
}
.stat__summary dd span { font-size: 0.8rem; margin-left: 0.15em; color: var(--muted); }

.stat__h {
  font-family: var(--mincho);
  font-size: 1.05rem;
  margin: 2.2rem 0 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 2px solid var(--ink);
}
.stat__chart { width: 100%; height: auto; background: var(--sheet); border: 1px solid var(--rule); }

.stat__table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.stat__table th, .stat__table td {
  text-align: left;
  padding: 0.4rem 0.5rem 0.4rem 0;
  border-bottom: 1px solid var(--rule);
  font-weight: 400;
}
.stat__table thead th { font-size: 0.72rem; color: var(--muted); }
.stat__table tbody th { white-space: nowrap; }
.stat__num { text-align: right; width: 4rem; font-variant-numeric: tabular-nums; }
.stat__bar { width: 55%; }
.stat__bar span {
  display: block;
  height: 0.55rem;
  background: var(--accent);
  opacity: 0.8;
}

.masthead__nav { margin-top: 0.35rem; display: flex; gap: 1rem; }
.masthead__nav a { font-size: 0.85rem; text-decoration: none; }
.masthead__nav a:hover { text-decoration: underline; }

/* ---------------------------------------------------------- データ配布 */
.data__files { list-style: none; margin: 0 0 1rem; padding: 0; }
.data__files li {
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--rule);
}
.data__files a { font-size: 1rem; }
.data__files span {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.data__note { font-size: 0.85rem; color: var(--muted); }

.controls__avail { align-self: center; }
.controls__avail label {
  display: flex;
  align-items: center;
  gap: 0.35em;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}

.record__call { font-family: ui-monospace, "SFMono-Regular", monospace; }
.record__avail {
  margin: 1.4rem 0 0;
  padding: 0.7rem 0.9rem;
  font-size: 0.88rem;
  border-left: 3px solid var(--accent);
  background: var(--paper);
}
.record__avail--no { border-left-color: var(--rule); color: var(--muted); }