/* 全国 高速道路IC・JCTナビ(kosoku-ds 0.1.0)。案内標識の意匠: 緑の地に白い文字・黄色の縁取り。外部フォントは使わない */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}
body{margin:0;background:var(--base);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo",system-ui,sans-serif;font-size:16px;line-height:1.75;overflow-wrap:anywhere}
a{color:var(--teal);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.mono{font-family:ui-monospace,"SFMono-Regular","Cascadia Mono","Consolas","Menlo",monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:10}
.skip:focus{left:8px;top:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3{line-height:1.35;letter-spacing:.01em}
h1{font-size:clamp(1.55rem,3.6vw,2.35rem);margin:.2em 0 .4em;font-weight:800}
h2{font-size:clamp(1.2rem,2.2vw,1.5rem);margin:2.2em 0 .7em;font-weight:800;padding-left:14px;border-left:6px solid var(--accent)}
h3{font-size:1.1rem;margin:1.8em 0 .5em}
.muted{color:var(--muted)}
.note{font-size:.88rem;color:var(--muted)}
/* ヘッダー: 緑の案内標識の帯 */
.hd{background:var(--teal);color:#fff;border-bottom:4px solid var(--accent)}
.hdIn{display:flex;align-items:center;justify-content:space-between;gap:12px 20px;min-height:68px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.mark{width:40px;height:40px;flex:none}
.brandTx{display:flex;flex-direction:column;line-height:1.25}
.brandName{font-weight:800;font-size:1.05rem}
.brandSub{font-size:.78rem;opacity:.92}
.nav ul{display:flex;flex-wrap:wrap;gap:2px 16px;list-style:none;margin:0;padding:0;font-size:.92rem}
.nav a{color:#fff;text-decoration:none;display:inline-block;padding:10px 2px;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--accent);color:#fff}
.navNat{font-weight:700}
/* ヒーロー */
.hero{background:var(--paper);border-bottom:1px solid var(--line);padding:34px 0 28px}
.eyebrow{font-size:.78rem;letter-spacing:.14em;color:var(--accent-ink);font-weight:700;margin:0}
.lead{font-size:1.05rem;max-width:46em;color:#2c4a40}
.asof{font-size:.9rem;color:var(--muted);margin:14px 0 0}
.kpis{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 0;padding:0}
.kpi{background:var(--base);border:1px solid var(--line);border-radius:10px;padding:8px 16px;min-width:128px}
.kpi dt{font-size:.8rem;color:var(--muted)}
.kpi dd{margin:0}
.kv{font-size:1.7rem;font-weight:800;font-variant-numeric:tabular-nums}
.ks{font-size:.8rem;color:var(--muted);margin-left:4px}
.pageHead{background:var(--paper);border-bottom:1px solid var(--line);padding:18px 0 14px}
/* 道具のパネル */
.tools{margin-top:28px}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:0 10px 24px -20px rgba(18,48,42,.5);border-top:6px solid var(--teal)}
.panel h2{margin-top:.2em;border-left:none;padding-left:0}
.frm{display:flex;flex-direction:column;gap:6px}
.frm label{font-size:.88rem;font-weight:700;color:#2c4a40}
.row{display:flex;gap:8px;flex-wrap:wrap}
.row input{flex:1 1 220px;width:auto}
input,select{font:inherit;color:var(--ink);background:#fff;border:1.5px solid #9fb0a7;border-radius:8px;padding:10px 12px;min-height:46px;max-width:100%}
.row select{flex:0 1 200px}
input:focus,select:focus{border-color:var(--teal)}
.btn{display:inline-flex;align-items:center;justify-content:center;font:inherit;font-weight:700;background:var(--teal);color:#fff;border:0;border-radius:8px;min-height:46px;padding:0 20px;text-decoration:none;cursor:pointer}
.btn:hover{background:#085a41;color:#fff}
.btnAlt{background:var(--accent);color:#2a1f00}
.btnAlt:hover{background:#d9a304;color:#2a1f00}
.out{margin-top:10px}
.hits{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:6px}
.hits li{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;background:var(--base);border:1px solid var(--line);border-radius:8px;padding:8px 12px}
.hitName{font-weight:800}
.hitPref{font-size:.85rem;color:var(--muted)}
/* 種別バッジ・路線チップ */
.kb{display:inline-block;font-size:.76rem;font-weight:700;color:#fff;border-radius:999px;padding:1px 10px;line-height:1.7;white-space:nowrap}
.kb-i{background:var(--k-ic)}.kb-s{background:var(--k-sic)}.kb-j{background:var(--k-jct)}.kb-o{background:var(--k-other)}
.rt{display:inline-block;font-size:.8rem;border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:0 8px;margin:1px 4px 1px 0;line-height:1.6}
/* 表 */
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--paper)}
.t{border-collapse:collapse;width:100%;font-size:.94rem}
.t th,.t td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.t thead th{background:#e3ebe6;font-size:.82rem;white-space:nowrap}
.t tbody th{font-weight:700}
.t .num{text-align:right;font-variant-numeric:tabular-nums}
.t tfoot th,.t tfoot td{font-weight:800;background:#f4f7f5}
.t tr.sel td,.t tr.sel th{background:#fff4c7}
.t tbody tr[hidden]{display:none}
.t .nm{min-width:7em}
.t .rts{min-width:13em}
.pos{font-size:.82rem;color:var(--muted);white-space:nowrap}
.sortb{font:inherit;font-weight:700;background:none;border:0;padding:6px 0;color:inherit;cursor:pointer;text-decoration:underline dotted}
th[aria-sort="descending"] .sortb::after{content:" ▼"}
th[aria-sort="ascending"] .sortb::after{content:" ▲"}
/* 略図 */
.mapBox{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:8px;text-align:center}
.map{max-width:100%;height:auto;max-height:640px}
.mapBg{fill:#f6f9f7}
.ln{fill:none;stroke:#6f8a7d;stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round}
.ln-sel{stroke:var(--teal);stroke-width:3}
.pt{stroke:#fff;stroke-width:1.2;cursor:pointer}
.pt-i{fill:var(--k-ic)}.pt-s{fill:var(--k-sic)}.pt-j{fill:var(--k-jct)}.pt-o{fill:var(--k-other);opacity:.8}
.pt.dim{opacity:.18}
.pt.on{stroke:#000;stroke-width:3}
.legend{display:flex;flex-wrap:wrap;gap:4px 18px;list-style:none;margin:10px 0 0;padding:0;font-size:.85rem}
.legend .dot{display:inline-block;width:12px;height:12px;border-radius:50%;margin-right:5px;vertical-align:-1px}
.legend .bar{display:inline-block;width:20px;height:3px;background:#8aa196;margin-right:5px;vertical-align:3px}
.k-i{background:var(--k-ic)}.k-s{background:var(--k-sic)}.k-j{background:var(--k-jct)}.k-o{background:var(--k-other)}
/* 順位の棒 */
.rank{list-style:none;margin:0;padding:0;display:grid;gap:3px;max-width:760px}
.rank li{display:grid;grid-template-columns:5.5em 1fr 3.2em;align-items:center;gap:10px;font-size:.92rem}
.rank .rv{text-align:right;font-variant-numeric:tabular-nums}
.rank li.me{background:#fff4c7;border-radius:6px;font-weight:800}
.rbar{display:block;background:#dde6e0;border-radius:4px;height:12px;overflow:hidden}
.rbar i{display:block;height:100%;background:var(--teal);border-radius:4px}
.bars{width:32%;min-width:90px}
/* 都道府県カード */
.prefGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;list-style:none;margin:0;padding:0}
.prefGrid a,.prefGrid .na{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:8px;padding:8px 12px;text-decoration:none;color:var(--ink);min-height:60px}
.prefGrid a:hover{background:#fff4c7}
.prefGrid .na{opacity:.55}
.pn{font-weight:800}.pc{font-size:.8rem;color:var(--muted)}
/* 説明・ページ */
.guide{display:grid;gap:8px;margin:0}
.guide>div{display:grid;grid-template-columns:7.5em 1fr;gap:10px;align-items:start}
.guide dt{margin:0}.guide dd{margin:0}
.src{font-size:.85rem;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:0 6px;list-style:none;margin:0 0 6px;padding:0;font-size:.85rem}
.crumb li+li::before{content:"›";margin-right:6px;color:var(--muted)}
.prose{padding-bottom:24px;max-width:860px}
.dl dt{font-weight:800;margin-top:12px}.dl dd{margin:0 0 4px}
/* フッター */
.ft{background:var(--ink);color:#e8efeb;margin-top:48px;padding:28px 0}
.ft a{color:#fff}
.ftTop{display:flex;flex-wrap:wrap;gap:20px 40px;justify-content:space-between}
.ftName{font-weight:800;margin:0}
.ftLead{margin:4px 0 0;font-size:.88rem;opacity:.9}
.ftLinks{list-style:none;margin:0;padding:0;display:grid;gap:2px 28px;font-size:.9rem}
.disc,.ftLast{font-size:.8rem;opacity:.9;margin:16px 0 0}
@media (min-width:640px){.ftLinks{grid-template-columns:1fr 1fr}}
@media (max-width:640px){
  .guide>div{grid-template-columns:1fr;gap:2px}
  .rank li{grid-template-columns:4.8em 1fr 2.8em}
  .t{font-size:.88rem}
  .kpi{min-width:calc(50% - 6px)}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}