/* まちの用途地域マップ(youto-ds 0.1.0): 製図机の明るい寒色の紙・細い方眼・濃紺の墨。色を持つのは用途地域の慣例の色分けだけ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--base);color:var(--ink);font:16px/1.75 "Hiragino Sans","Yu Gothic UI","Meiryo","Noto Sans JP",system-ui,sans-serif;font-feature-settings:"palt"}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:#08457f}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:3px}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:50;border-radius:6px}
.skip:focus{left:8px}
h1,h2,h3{line-height:1.35;letter-spacing:.01em}
h1{font-size:clamp(26px,4.4vw,42px);margin:0 0 12px;font-weight:800}
h1 small{display:block;font-size:.42em;font-weight:600;color:var(--muted);margin-top:6px;letter-spacing:.04em}
h2{font-size:clamp(20px,2.6vw,26px);margin:44px 0 14px;padding-left:14px;border-left:6px solid var(--accent)}
.lead{font-size:clamp(15px,1.8vw,18px);max-width:62ch;margin:0 0 20px}
.note,.src{font-size:13.5px;color:var(--muted);margin:12px 0}
.src{margin:36px 0 0;padding-top:14px;border-top:1px solid var(--line)}
/* ヘッダー・フッター */
.hd{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.hdIn{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap;padding-block:6px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.mark{width:40px;height:40px;flex:none}
.brandTx{display:flex;flex-direction:column;line-height:1.25}
.brandName{font-weight:800;font-size:17px}
.brandSub{font-size:11.5px;color:var(--muted)}
.nav{margin-left:auto}
.nav ul{list-style:none;display:flex;gap:4px 18px;margin:0;padding:0;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:600;padding:8px 2px;display:inline-block;min-height:32px}
.nav a:hover{color:var(--accent);text-decoration:underline}
.nav .navNat{border:1px solid var(--accent);border-radius:999px;padding:6px 14px;color:var(--accent)}
.ft{background:var(--ink);color:#d6e2ec;margin-top:64px;padding:34px 0 28px}
.ft a{color:#fff}
.ftTop{display:flex;gap:28px;justify-content:space-between;flex-wrap:wrap}
.ftName{font-weight:800;font-size:18px;margin:0;color:#fff}.ftLead{margin:4px 0 0;font-size:14px}
.ftLinks{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14px}
.disc{font-size:12.5px;line-height:1.7;margin:22px 0 0;max-width:90ch;color:#c4d3df}.ftLast{font-size:12.5px;margin:12px 0 0;color:#c4d3df}
/* ヒーロー・見出し帯: 方眼 */
.hero,.pageHead{background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0/32px 32px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/32px 32px,var(--paper);border-bottom:1px solid var(--line);padding:34px 0 28px}
.pageHead{padding:26px 0 22px}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;padding:0;margin:0 0 10px;font-size:13px;color:var(--muted)}
.crumb li+li::before{content:"›";margin-right:8px;color:var(--muted)}
/* 大きな数字 */
.bigs{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin:22px 0 0;padding:0}
.big{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:8px;padding:12px 16px 12px}
.big:nth-child(even){border-top-color:var(--accent2)}
.big dt{font-size:13px;color:var(--muted);font-weight:600}
.big dd{margin:2px 0 0;display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 6px}
.bv{font-size:clamp(34px,5vw,54px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.bu{font-size:14px;font-weight:700;color:var(--muted)}
.bs{flex-basis:100%;font-size:12.5px;color:var(--muted)}
.notice{background:#fff8ec;border:1px solid #f0d9ae;border-left:6px solid var(--accent2);border-radius:8px;padding:6px 16px;margin:24px 0 8px;font-size:14px}
.notice p{margin:8px 0}
/* 地図 */
.mapGrid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px;align-items:start}
.mapBox,.pmapBox{background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0/24px 24px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0/24px 24px,#fbfdff;border:1px solid var(--line);border-radius:10px;padding:8px;overflow:hidden}
.cmap,.pmap{display:block;width:100%;height:auto;max-height:76vh}
.pmapBox .pmap{max-height:72vh}
.zp{stroke:#fff;stroke-width:.35;stroke-linejoin:round;transition:opacity .15s}
.cmap .zp{cursor:pointer;vector-effect:non-scaling-stroke;stroke-width:.6}
.pmap .zp{stroke:none}
.cmap.hl .zp{opacity:.14}.cmap.hl .zp.on{opacity:1;stroke:var(--ink);stroke-width:1.6}
.pmap.fl .cg{opacity:.16}.pmap.fl .cg.hit{opacity:1}.pmap .cg.sel .zp{stroke:var(--ink);stroke-width:1.2;vector-effect:non-scaling-stroke}
.pmap .cg{cursor:pointer}
.z1{fill:#2e9a4e;background:#2e9a4e}.z2{fill:#7cc86b;background:#7cc86b}.z3{fill:#b9d85a;background:#b9d85a}.z4{fill:#e2e86e;background:#e2e86e}.z5{fill:#f3c84d;background:#f3c84d}.z6{fill:#f0a23c;background:#f0a23c}.z7{fill:#e4803a;background:#e4803a}.z8{fill:#5fb59a;background:#5fb59a}.z9{fill:#f08fb0;background:#f08fb0}.z10{fill:#d9385a;background:#d9385a}.z11{fill:#a78bd0;background:#a78bd0}.z12{fill:#5f7fd6;background:#5f7fd6}.z13{fill:#2d4a9a;background:#2d4a9a}
.sw{display:inline-block;width:14px;height:14px;border-radius:3px;margin-right:8px;vertical-align:-2px;border:1px solid rgba(15,34,51,.35)}
.c-low{background:#2e9a4e}.c-mid{background:#c9de62}.c-res{background:#f0a23c}.c-com{background:#d9385a}.c-ind{background:#5f7fd6}
.keys{list-style:none;display:flex;flex-wrap:wrap;gap:6px 16px;padding:0;margin:0 0 10px;font-size:13.5px}
.keys i{display:inline-block;width:14px;height:14px;border-radius:3px;margin-right:6px;vertical-align:-2px;border:1px solid rgba(15,34,51,.35)}
.mapSide{display:grid;gap:14px}
.info{background:var(--ink);color:#fff;border-radius:10px;padding:14px 16px;min-height:150px}
.infoHint{margin:0;font-size:14px;color:#c9d8e4}
.infoName{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;margin:0 0 6px}
.infoName .sw{border-color:#fff}
.infoNums{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.infoNums div{background:rgba(255,255,255,.08);border-radius:8px;padding:8px 10px}
.infoNums span{display:block;font-size:12px;color:#c9d8e4}
.infoNums b{font-size:38px;line-height:1.1;font-variant-numeric:tabular-nums}.infoNums b small{font-size:15px}
.infoSub{margin:8px 0 0;font-size:13px;color:#c9d8e4}
.legend{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:8px 10px 12px;margin:0}
.legend legend{font-weight:700;font-size:14px;padding:0 6px}
.legend ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.lg{display:flex;align-items:center;width:100%;text-align:left;gap:0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 10px;min-height:40px;font:inherit;font-size:14px;color:var(--ink);cursor:pointer}
.lg:hover{border-color:var(--accent)}
.lg[aria-pressed=true],.zbtn[aria-pressed=true]{background:#e8f1fb;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.lgN{flex:1}.lgP{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px}
.reset{margin-top:8px;background:#fff;border:1px solid var(--accent);color:var(--accent);border-radius:999px;padding:7px 16px;min-height:40px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.reset:hover{background:#e8f1fb}
/* 表 */
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--paper);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14.5px;font-variant-numeric:tabular-nums}
caption{text-align:left;padding:10px 14px;font-size:13px;color:var(--muted)}
th,td{padding:9px 12px;border-top:1px solid var(--line);text-align:right;white-space:nowrap}
th[scope=row],thead th:first-child,td.l{text-align:left}
thead th{background:#eaf1f7;font-size:13px;font-weight:700;color:var(--ink);border-top:0;text-align:right}
thead th:first-child{text-align:left}
tbody tr:hover{background:#f4f9fd}
.zt th,.zt td{white-space:normal;text-align:left}.zt th{white-space:nowrap}
.sortBtn{all:unset;cursor:pointer;font-weight:700;padding:6px 4px;min-height:32px;display:inline-flex;align-items:center;gap:4px;color:var(--ink)}
.sortBtn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
th[aria-sort=ascending] .sortBtn::after{content:"▲";font-size:10px}th[aria-sort=descending] .sortBtn::after{content:"▼";font-size:10px}
.zbtn{all:unset;cursor:pointer;display:inline-flex;align-items:center;padding:6px 10px;border:1px solid transparent;border-radius:8px;min-height:36px;color:var(--ink);font-weight:600}
.zbtn:hover{border-color:var(--accent)}.zbtn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.bar{display:inline-block;width:90px;height:10px;background:#e6edf3;border-radius:5px;vertical-align:middle;overflow:hidden}.bar i{display:block;height:100%}
.stack{display:flex;width:150px;height:12px;border-radius:6px;overflow:hidden;background:#e6edf3}.stack i{display:block;height:100%}
.ct td:nth-child(3){padding-block:0}
.ct tr.dimmed{opacity:.35}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:10px 0}
.chips a{display:inline-flex;gap:8px;align-items:baseline;border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 16px;text-decoration:none;color:var(--ink);font-weight:600;min-height:40px;align-items:center}
.chips a:hover{border-color:var(--accent);background:#eef5fc}.chips small{color:var(--muted);font-weight:400}
/* フォーム */
.finder{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px 16px}
.finder fieldset{border:0;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px 18px}
.finder legend{font-weight:700;padding:0;margin-bottom:8px;float:left;width:100%}
.fRow{display:grid;gap:4px}
.fRow label{font-size:13px;font-weight:700;color:var(--muted)}
input[type=search],select{font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #9fb2c2;border-radius:8px;padding:8px 10px;min-height:44px;width:100%}
.fAct{display:flex;align-items:center;gap:14px;flex-wrap:wrap;grid-column:1/-1}.fAct .reset{margin:0}
.count{font-weight:700}
/* 全国版: 都道府県 */
.pgrid{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px;padding:0;margin:0}
.pc a,.pc.off{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:10px 14px;text-decoration:none;color:var(--ink);min-height:62px}
.pc a:hover{border-color:var(--accent);background:#eef5fc}
.pc.off{background:#eef2f6;color:#4a5d6d}.pcN{font-weight:800}.pcS{font-size:12.5px;color:var(--muted)}
/* 本文 */
.prose{max-width:860px;padding-bottom:20px}.prose h2{margin-top:36px}
.dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px}.dl dt{font-weight:700;color:var(--muted)}.dl dd{margin:0}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 20px;border-radius:999px;font-weight:700;min-height:44px}
.btn:hover{background:#08457f;color:#fff}
@media (max-width:900px){.mapGrid{grid-template-columns:1fr}.nav{margin-left:0;width:100%}.dl{grid-template-columns:1fr}}
@media (max-width:520px){.hdIn{gap:6px}.bigs{grid-template-columns:1fr 1fr}.bv{font-size:32px}h2{margin-top:34px}.brandSub{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.ct th a{display:inline-block;padding:8px 6px;min-height:40px;line-height:24px;font-weight:700}
.crumb a{display:inline-block;padding:6px 2px}
.offs{margin-top:14px;font-size:14px}.offs summary{cursor:pointer;padding:10px 4px;font-weight:600;min-height:44px}
.offList{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:4px 10px;padding:8px 0;margin:0;color:#4a5d6d}
.pc.off{display:none}
/* スマホ: 表を 1 行 1 枚のカードにする(横に切れない) */
@media (max-width:640px){
  .gt,.ct,.zt{min-width:0}
  .gt thead,.zt thead{display:none}
  .ct thead tr{display:flex;flex-wrap:wrap;gap:2px 6px;padding:8px}
  .ct thead th{display:block;border:0;padding:0;background:none;text-align:left}.ct thead th:nth-child(3),.ct thead th:last-child{display:none}
  .gt tbody tr,.ct tbody tr,.zt tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;padding:10px 12px;border-top:1px solid var(--line)}
  .gt tbody tr:first-child,.ct tbody tr:first-child{border-top:0}
  .gt td,.ct td,.gt th[scope=row],.ct th[scope=row],.zt td,.zt th[scope=row]{display:block;border:0;padding:2px 0;text-align:left;white-space:normal}
  .gt th[scope=row],.ct th[scope=row],.zt th[scope=row]{grid-column:1/-1}
  .gt td[data-l]::before,.ct td[data-l]::before{content:attr(data-l);display:block;font-size:11.5px;color:var(--muted);font-weight:600}
  .gt td{font-size:18px;font-weight:700}.gt td:nth-child(4),.gt td:nth-child(5){font-size:14px;font-weight:400}
  .ct td:nth-child(3){grid-column:1/-1}.ct td:last-child{grid-column:1/-1}
  .zt tbody tr{grid-template-columns:1fr}
  .zt2 td,.zt2 th{padding:8px 8px}
}
@media (max-width:640px){.zt2 .bar{width:44px}}