/* 行く前しらべ — 白い資料面、青リンク、薄灰罫線の公共施設データWiki */
:root {
  --paper: #fff;
  --wash: #f6f8fa;
  --wash-2: #fbfcfd;
  --ink: #20252b;
  --muted: #5c6670;
  --faint: #7b858e;
  --rule: #d9dee3;
  --rule-strong: #aeb8c2;
  --link: #155a9c;
  --link-visited: #5a3d8a;
  --focus: #0b63ce;
  --sans: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, -apple-system, sans-serif;
  --num: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

/* Dark is opt-in only; the default never follows an operating-system theme. */
:root[data-theme="dark"] {
  --paper: #15191e; --wash: #1d2329; --wash-2: #191e24;
  --ink: #edf1f4; --muted: #b3bdc6; --faint: #9aa6b0;
  --rule: #3a444e; --rule-strong: #65727d; --link: #8fc5f5;
  --link-visited: #c0a4e8; --focus: #8fc5f5;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); }
a:visited { color: var(--link-visited); }
a:focus-visible, summary:focus-visible, button:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
p { margin: 0 0 .9rem; }
h1, h2, h3 { line-height: 1.35; }
h1 { margin: 0 0 .45rem; font-size: clamp(1.4rem, 2.8vw, 2rem); letter-spacing: .01em; }
h2 { margin: 2rem 0 0; padding: 0 0 .45rem; border-bottom: 1px solid var(--rule-strong); font-size: 1.12rem; }

.wiki-layout {
  display: grid; grid-template-columns: 12.5rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem);
  max-width: 76rem; margin: 0 auto; padding: 1.75rem clamp(1rem, 4vw, 2.5rem) 4rem;
}
.wiki-layout main { min-width: 0; max-width: 56rem; }
.sidebar { min-width: 0; font-size: .9rem; line-height: 1.5; }
.sidebar .site-name { display: block; margin: .05rem 0 1.6rem; color: var(--ink); font-size: 1.08rem; font-weight: 700; text-decoration: none; letter-spacing: .08em; }
.sidebar h2 { margin: 1.25rem 0 .45rem; padding-bottom: .25rem; color: var(--muted); font-size: .76rem; letter-spacing: .12em; }
.sidebar ul { margin: 0; padding: 0; list-style: none; }
.sidebar li { margin: .28rem 0; }
.sidebar a { text-decoration: none; }
.sidebar a:hover { text-decoration: underline; }
.sidebar-nested { margin: .25rem 0 .5rem .7rem !important; padding-left: .7rem !important; border-left: 1px solid var(--rule); }
.mobile-sidebar { display: none; }

nav[aria-label="パンくず"] { margin: 0 0 1rem; color: var(--muted); font-size: .86rem; overflow-x: auto; white-space: nowrap; }
nav[aria-label="パンくず"] a { color: var(--muted); }
.lead { max-width: 46rem; font-size: 1.04rem; }
.page-intro { margin: 0 0 1.4rem; padding: .8rem 1rem; background: var(--wash); border-left: 3px solid var(--rule-strong); }
.result-summary { margin: 0; font-size: .96rem; }
.context-label { color: var(--muted); font-size: .78rem; font-weight: 700; letter-spacing: .12em; }
.count { color: var(--muted); font-family: var(--num); font-size: .86rem; font-variant-numeric: tabular-nums; white-space: nowrap; }
.place { color: var(--muted); font-size: .88rem; }

/* The home page has three equally legible, named entry points. */
.entry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.entry-panel { min-width: 0; padding: 1rem 1rem 1.15rem; border: 1px solid var(--rule); background: var(--paper); }
.entry-panel h2 { margin: 0 0 .6rem; padding: 0 0 .55rem; border-bottom: 2px solid var(--ink); font-size: 1.02rem; }
.entry-panel p { color: var(--muted); font-size: .9rem; }
.entry-panel ul { margin: 0; padding: 0; list-style: none; }
.entry-panel li { display: flex; gap: .5rem; align-items: baseline; min-height: 2.75rem; padding: .45rem 0; border-bottom: 1px solid var(--rule); }
.entry-panel li:last-child { border-bottom: 0; }
.entry-panel li a { flex: 1 1 auto; min-width: 0; }
.supplemental-entry { margin-top: 1rem; padding: .8rem 1rem; background: var(--wash-2); border: 1px dashed var(--rule-strong); }
.supplemental-entry h3 { margin: 0 0 .2rem; font-size: .95rem; }

main > ul, .facility-list { margin: .5rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
main > ul > li, .facility-list > li { display: flex; flex-wrap: wrap; align-items: baseline; gap: .2rem .75rem; min-height: 2.75rem; padding: .58rem .2rem; border-bottom: 1px solid var(--rule); }
/* Keep the gate's legacy selector as an explicit 44px tap-target contract. */
main>ul>li { min-height: 44px; padding: .6rem .2rem; }
main > ul > li > a, .facility-list > li > a { min-width: 0; font-weight: 600; text-decoration: none; overflow-wrap: anywhere; }
main > ul > li > a:hover, .facility-list > li > a:hover { text-decoration: underline; }
main > ul > li > .place, .facility-list > li > .place { margin-left: auto; }
main > ul.prefecture-index { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 1.5rem; border-top: 0; }
main > ul.prefecture-index > li { min-width: 0; border-top: 1px solid var(--rule); }

.listing-group h2 { margin-top: 1.5rem; font-size: 1rem; }
.note, .disclaimer { margin: 2rem 0 0; padding: .85rem 1rem; color: var(--muted); background: var(--wash); font-size: .88rem; }

/* Detail pages: the summary is a quiet side column, never a floating obstruction. */
.detail-columns { display: grid; grid-template-columns: minmax(0, 1fr) 19rem; gap: 1.5rem; align-items: start; margin-top: 1.25rem; }
.detail-facts { min-width: 0; }
.detail-facts > h2:first-child { margin-top: 0; }
.infobox { grid-column: 2; grid-row: 1; width: auto; margin: 0; border: 1px solid var(--rule-strong); background: var(--wash); font-size: .88rem; }
.infobox h2 { margin: 0; padding: .6rem .75rem; border-bottom: 1px solid var(--rule-strong); font-size: .98rem; }
.infobox dl { display: grid; grid-template-columns: 4.3rem minmax(0, 1fr); margin: 0; }
.infobox dt, .infobox dd { min-width: 0; margin: 0; padding: .45rem .6rem; border-bottom: 1px solid var(--rule); overflow-wrap: anywhere; }
.infobox dt { color: var(--muted); font-weight: 700; }
.infobox dd:last-child, .infobox dt:nth-last-child(2) { border-bottom: 0; }
.detail-facts { grid-column: 1; grid-row: 1; }
.detail-facts + .note { grid-column: 1 / -1; }
.detail-facts h2 { margin-top: 1.8rem; }
.detail-facts h2:first-child { margin-top: 0; }
.place { margin: 0 0 .35rem; }
.checked { margin: 0 0 .5rem; color: var(--muted); font-family: var(--num); font-size: .86rem; font-variant-numeric: tabular-nums; }
.facts { width: 100%; clear: both; }
.fact { display: grid; grid-template-columns: 8.3rem minmax(0, 1fr) auto; gap: .25rem .8rem; align-items: baseline; padding: .72rem .1rem; border-bottom: 1px solid var(--rule); }
.fact-label { color: var(--muted); font-size: .88rem; font-weight: 700; }
.fact-value { min-width: 0; font-weight: 600; overflow-wrap: anywhere; }
.fact-value.num { font-family: var(--num); font-variant-numeric: tabular-nums; }
.fact-src, .fact-cite { color: var(--link); font-family: var(--num); font-size: .82rem; white-space: nowrap; }
.fact-quote { grid-column: 2 / -1; margin: .15rem 0 0; padding-left: .75rem; color: var(--muted); border-left: 2px solid var(--rule); font-size: .86rem; }
.unstated { clear: both; margin: 1.25rem 0 0; border: 1px solid var(--rule); background: var(--wash-2); }
.unstated > summary { min-height: 2.75rem; padding: .55rem .8rem; cursor: pointer; color: var(--muted); font-size: .9rem; }
.unstated > summary b { color: var(--ink); font-family: var(--num); }
.unstated ul { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: .1rem .8rem .8rem; list-style: none; }
.unstated li { padding: .18rem .45rem; border: 1px dashed var(--rule-strong); color: var(--muted); font-size: .86rem; overflow-wrap: anywhere; }
.unstated-fact { display: grid; grid-template-columns: 8.3rem minmax(0, 1fr) auto auto; gap: .25rem .8rem; align-items: baseline; width: 100%; padding: .72rem .1rem; border: 0 !important; border-bottom: 1px solid var(--rule) !important; }
.unstated-fact .fact-value { font-weight: 600; }
.unstated-evidence { color: var(--muted); font-family: var(--num); font-size: .82rem; white-space: nowrap; }
.toc { max-width: 100%; margin: 1.2rem 0; padding: .65rem .85rem; border: 1px solid var(--rule); background: var(--wash-2); }
.toc strong { display: block; margin-bottom: .2rem; text-align: center; }
.toc ol { margin: 0; padding-left: 1.4rem; }
.references { clear: both; margin-top: 0; padding-left: 1.5rem; }
.references li { margin: .35rem 0; overflow-wrap: anywhere; }

body > footer { margin-top: 0; padding: 1.4rem max(1rem, calc((100% - 71rem) / 2)) 2.5rem; border-top: 1px solid var(--rule-strong); color: var(--muted); font-size: .86rem; }
body > footer a { color: var(--muted); }
table { width: 100%; border-collapse: collapse; }
.scroll { max-width: 100%; overflow-x: auto; }

@media (max-width: 58rem) {
  .wiki-layout { display: block; padding: 1rem .9rem 3rem; }
  .wiki-layout > .sidebar { display: none; }
  .mobile-sidebar { display: block; padding: .65rem .9rem; border-bottom: 1px solid var(--rule); }
  .mobile-sidebar > summary { min-height: 2.75rem; padding-top: .2rem; cursor: pointer; color: var(--muted); font-weight: 700; }
  .mobile-sidebar .sidebar { padding: .6rem 0 .2rem; }
  .entry-grid { grid-template-columns: 1fr; gap: .7rem; }
  .entry-panel { padding: .8rem .9rem; }
  main > ul.prefecture-index { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 .9rem; }
  .detail-columns { display: flex; flex-direction: column; gap: 1rem; }
  .detail-facts, .infobox { width: 100%; }
  .infobox { order: -1; }
  .detail-facts > h2:first-child { margin-top: 0; }
}

@media (max-width: 34rem) {
  body { font-size: 15px; }
  h1 { font-size: 1.35rem; }
  main > ul.prefecture-index { grid-template-columns: 1fr; }
  main > ul > li > .place, .facility-list > li > .place { margin-left: 0; }
  .fact { grid-template-columns: minmax(0, 1fr) auto; gap: .15rem .6rem; }
  .fact-label { grid-column: 1 / -1; }
  .fact-quote { grid-column: 1 / -1; }
  .unstated-fact { grid-template-columns: minmax(0, 1fr) auto; gap: .15rem .6rem; }
  .unstated-fact .fact-label { grid-column: 1 / -1; }
  .unstated-fact .fact-value { grid-column: 1 / -1; }
  .detail-columns { margin-top: .8rem; }
}