/* まちの人口・年齢構造比較ナビ(population-compare)専用。regional-ds とは別の CSS。生成りの紙・墨・赤土と青磁。主役は比較表とピラミッド */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Yu Gothic",Meiryo,sans-serif;font-size:16px;line-height:1.8;font-feature-settings:"palt" 1}
a{color:var(--celadon);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
img,svg{max-width:100%}
h1,h2,h3{line-height:1.4;letter-spacing:.02em;margin:0 0 .6em}
h1{font-size:clamp(1.55rem,1.1rem + 2vw,2.35rem);font-weight:800}
h2{font-size:clamp(1.25rem,1rem + 1vw,1.6rem);font-weight:800}
h3,.h3{font-size:1.08rem;font-weight:700;margin-top:1.4em}
p{margin:0 0 1em}
small{font-size:.6em;font-weight:600;margin-left:.15em}
.wrap{width:min(1180px,100% - 32px);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:8px;z-index:20}
.skip:focus{top:12px}
.num,.kv,.flV,.pv,.ranks b{font-variant-numeric:tabular-nums}

/* ヘッダー */
.hd{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.hdIn{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px}
.mark{width:36px;height:36px;flex:none}
.brandTx{display:flex;flex-direction:column;line-height:1.3}
.brandName{font-weight:800;font-size:.98rem}
.brandSub{font-size:.74rem;color:var(--muted)}
.nav{margin-left:auto}
.nav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;color:var(--ink);text-decoration:none;font-size:.9rem;font-weight:600}
.nav a:hover{background:var(--sand)}
.navNat{border:1px solid var(--line)}
@media (max-width:860px){.hdIn{padding:6px 0;gap:4px}.nav{margin-left:0;width:100%;overflow-x:auto}.nav ul{flex-wrap:nowrap}.nav a{white-space:nowrap;font-size:.85rem;padding:0 10px}}

/* ヒーロー */
.hero{background:linear-gradient(180deg,var(--paper),var(--base));border-bottom:1px solid var(--line)}
.heroIn{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;padding:36px 0 40px;align-items:start}
.eyebrow{font-size:.8rem;letter-spacing:.08em;color:var(--clay);font-weight:700;margin-bottom:.4em}
.lead{color:#463f36;max-width:46em}
.heroNote{font-size:.92rem;color:var(--muted)}
.heroFig{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:16px 16px 8px}
.heroFig figcaption,.pyrFig figcaption{font-size:.82rem;color:var(--muted);text-align:center}
@media (max-width:900px){.heroIn{grid-template-columns:minmax(0,1fr);gap:24px;padding:24px 0 28px}}

/* 指標 */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:18px 0 10px;padding:0}
@media (max-width:520px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.kv{font-size:1.2rem}.kpi{padding:10px 11px}}
.kpi{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:12px 14px;margin:0}
.kpi dt{font-size:.8rem;color:var(--muted);font-weight:600}
.kpi dd{margin:0;display:flex;flex-direction:column}
.kv{font-size:1.45rem;font-weight:800;line-height:1.35}
.ks{font-size:.8rem;color:var(--muted)}
.kpi.up{border-top:4px solid var(--celadon)}
.kpi.down{border-top:4px solid var(--clay)}
.up{color:#215a55}
.down{color:#9a4426}
td.up,td.down{font-weight:700}

/* セクション */
.sec{padding:44px 0}
.sec.alt{background:var(--sand)}
.secHead{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.pageHead{background:var(--paper);border-bottom:1px solid var(--line);padding:22px 0 26px}
.prose{padding:28px 0 48px;max-width:860px}
.prose h2{margin-top:1.6em}
.cols2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;align-items:start}
.cols2.tight{gap:14px;margin-top:14px}
.cols3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media (max-width:900px){.cols2,.cols3{grid-template-columns:minmax(0,1fr)}}
.cols2>*,.cols3>*,.heroIn>*{min-width:0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.card h3{margin-top:0}
.note{font-size:.85rem;color:var(--muted)}
.hint{font-size:.85rem;color:var(--muted);margin:.4em 0}
.src{font-size:.8rem;color:var(--muted);margin-top:12px}
.tag{display:inline-block;margin-left:6px;font-size:.7rem;padding:0 6px;border-radius:6px;background:var(--sand);color:var(--ink);font-weight:700;vertical-align:middle}
.sub{display:block;font-size:.75rem;color:var(--muted);font-weight:400}

/* パンくず */
.crumb ol{list-style:none;margin:0 0 10px;padding:0;display:flex;flex-wrap:wrap;gap:4px;font-size:.82rem}
.crumb li:not(:last-child)::after{content:"›";margin-left:6px;color:var(--muted)}
.crumb a{color:var(--muted)}

/* ボタン・入力 */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:999px;background:var(--ink);color:var(--paper);border:1px solid var(--ink);font:inherit;font-weight:700;font-size:.92rem;text-decoration:none;cursor:pointer}
.btn:hover{background:#4a4238;color:var(--paper)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--sand)}
.btn[aria-pressed="true"]{background:var(--celadon);border-color:var(--celadon)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 4px}
.fld{display:flex;flex-direction:column;gap:4px;font-size:.85rem;font-weight:700}
.fld input,.fld select{font:inherit;font-weight:400;min-height:44px;padding:8px 12px;border:1px solid #b9ae9c;border-radius:10px;background:var(--paper);color:var(--ink);min-width:0;width:100%}
.fld.big input{font-size:1.05rem;min-height:52px}
.chk{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:.9rem}
.chk input{width:24px;height:24px;margin:0}

/* 表 */
.scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.t{border-collapse:collapse;width:100%;font-size:.92rem}
.t th,.t td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.t thead th{background:#f3ece0;font-size:.8rem;color:#4b443b;position:sticky;top:0}
.t tbody th{font-weight:700}
.t tbody th a{display:inline-flex;align-items:center;min-height:32px}
.t tbody tr:hover{background:#fbf6ec}
.t .num{text-align:right}
.t tr.sum th,.t tr.sum td{font-weight:800;background:#faf5ec}
.t tr.self th,.t tr.self td{background:#eef4f2}
.t tr.ward th{padding-left:26px;font-weight:600}
.t tr.ward[hidden]{display:none}
.sortBtn{font:inherit;font-weight:700;background:none;border:0;color:inherit;cursor:pointer;padding:6px 2px;min-height:44px;text-align:right}
.sortBtn::after{content:"↕";margin-left:4px;opacity:.45}
th[aria-sort="descending"] .sortBtn::after{content:"↓";opacity:1}
th[aria-sort="ascending"] .sortBtn::after{content:"↑";opacity:1}
.tblTools{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;margin:14px 0 10px}
.tblTools .fld{min-width:min(320px,100%)}
.tblCount{font-size:.85rem;color:var(--muted);margin:0 0 10px}
details.dt{margin-top:10px}
details.dt summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:700;font-size:.9rem}

/* 上位リスト */
.top{list-style:none;counter-reset:r;margin:0;padding:0}
.top li{counter-increment:r;display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line)}
.top li::before{content:counter(r);font-weight:800;color:var(--clay);width:1.4em;flex:none}
.top li a{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.top li span{font-variant-numeric:tabular-nums;font-weight:700}

/* 人口ピラミッド */
.pyr{display:block;width:100%;height:auto}
.pyr .pm{fill:var(--celadon)}
.pyr .pf{fill:var(--clay)}
.pyr .p25{stroke:var(--ink);stroke-width:1.6;fill:none}
.pyr .pl{font-size:10px;fill:var(--muted);text-anchor:middle}
.pyr .ph{font-size:12px;font-weight:700;fill:var(--ink)}
.pyr .pu{font-size:10px;fill:var(--muted)}
.pyrFig{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:16px}

/* 増減の流れ */
.flow{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:18px}
.flow figcaption{font-weight:800;margin-bottom:10px}
.flList{list-style:none;margin:0;padding:0}
.fl{display:grid;grid-template-columns:9.5em minmax(0,1fr) 6.5em;align-items:center;gap:10px;padding:5px 0;font-size:.9rem}
.flBar{position:relative;height:16px;background:linear-gradient(90deg,transparent calc(50% - .5px),#cfc4b1 calc(50% - .5px),#cfc4b1 calc(50% + .5px),transparent calc(50% + .5px))}
.flB{position:absolute;top:2px;height:12px;width:var(--w);border-radius:3px}
.flB.pos{left:50%;background:var(--celadon)}
.flB.neg{right:50%;background:var(--clay)}
.fl.n .flL{font-weight:700}
.flV{text-align:right;font-weight:700}
.flSum{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 0;padding-top:12px;border-top:1px solid var(--line)}
.flSum div{margin:0}
.flSum dt{font-size:.75rem;color:var(--muted)}
.flSum dd{margin:0;font-weight:800;font-variant-numeric:tabular-nums}
.flSum .tot dd{font-size:1.05rem}
@media (max-width:520px){.fl{grid-template-columns:7.2em minmax(0,1fr) 5.4em;font-size:.82rem;gap:6px}.flSum{grid-template-columns:1fr}}

/* 県内順位 */
.ranks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:0 0 6px}
.ranks div{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:8px 10px;margin:0}
.ranks dt{font-size:.75rem;color:var(--muted)}
.ranks dd{margin:0}
.ranks b{font-size:1.3rem}
.ranks span{font-size:.8rem;color:var(--muted);margin-left:2px}
.ranks .nat{display:block;margin-left:0;font-size:.75rem}
@media (max-width:520px){.ranks{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* 全国版: 県のタイル・検索 */
.finder{max-width:640px;margin-bottom:22px}
.results{list-style:none;margin:8px 0 0;padding:0}
.results li a{display:flex;justify-content:space-between;gap:10px;min-height:44px;align-items:center;padding:6px 12px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);background:var(--paper)}
.results li a:hover{background:var(--sand)}
.results li span{color:var(--muted);font-size:.85rem;font-variant-numeric:tabular-nums}
.prefGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px}
.prefTile{display:flex;flex-direction:column;min-height:64px;padding:8px 10px;border-radius:12px;background:var(--paper);border:1px solid var(--line);text-decoration:none;color:var(--ink)}
.prefTile:hover{border-color:var(--ink)}
.prefTile .pn{font-weight:700;font-size:.92rem}
.prefTile .pv{font-size:.82rem;font-weight:700}
.prefTile.off{opacity:.55}

/* 比較 */
.cmpForm{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-top:12px}
.cmpForm .fld{flex:1 1 280px}
.empty{padding:24px;border:1px dashed #b9ae9c;border-radius:14px;background:var(--paper);color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px;padding:0;list-style:none}
.chips li{display:flex;align-items:center;gap:6px;background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:2px 4px 2px 12px;font-weight:700;font-size:.9rem}
.chips .sw{width:12px;height:12px;border-radius:3px;flex:none}
.chips button{min-width:44px;min-height:44px;border:0;background:none;cursor:pointer;font:inherit;font-size:1.1rem;color:var(--muted);border-radius:999px}
.chips button:hover{background:var(--sand)}
.pyrGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:16px}
.pyrGrid figure{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px}
.pyrGrid figcaption{font-weight:700;font-size:.9rem;text-align:center}
.cmpBar{display:inline-block;height:8px;border-radius:2px;background:var(--celadon);vertical-align:middle;margin-left:6px}

/* フッター */
.ft{background:var(--ink);color:#efe7da;padding:36px 0 24px;margin-top:20px}
.ft a{color:#f5ddc9}
.ftTop{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.ftName{font-weight:800;font-size:1.05rem;margin-bottom:.2em}
.ftLead{font-size:.88rem;color:#d9cfbf}
.ftLinks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,auto));gap:2px 24px}
.ftLinks a{display:inline-flex;min-height:44px;align-items:center;font-size:.9rem}
.disc{font-size:.8rem;color:#cfc4b1;border-top:1px solid #4b443b;padding-top:14px;margin-top:16px}
.ftLast{font-size:.8rem;color:#b9ae9c;margin:0}
@media (max-width:520px){.ftLinks{grid-template-columns:1fr}}
.dl{display:grid;grid-template-columns:9em 1fr;gap:6px 16px}
.dl dt{font-weight:700}
.dl dd{margin:0}
@media (max-width:600px){.dl{grid-template-columns:1fr}.dl dd{margin-bottom:8px}}
@media print{.hd,.ft,.actions,.tblTools{display:none}}
/* 比較表: 横スクロールしても項目名が見える */
.cmpT th:first-child{position:sticky;left:0;z-index:1;background:var(--paper);box-shadow:1px 0 0 var(--line)}
.cmpT thead th:first-child{background:#f3ece0;z-index:2}
@media (max-width:520px){.cmpT th:first-child{white-space:normal;min-width:7.5em;max-width:9em}}
/* 数字で見るまち(出典の値の比較だけの文) */
.facts{margin:6px 0 10px;padding:0;list-style:none;display:grid;gap:6px;max-width:62em}
.facts li{position:relative;padding:8px 12px 8px 26px;background:var(--paper);border:1px solid var(--line);border-radius:10px;line-height:1.7}
.facts li::before{content:"";position:absolute;left:11px;top:1.05em;width:7px;height:7px;border-radius:2px;background:var(--clay)}