:root{--ink:#1f2a2e;--sub:#56656b;--line:#dfe5e3;--bg:#fbfaf7;--card:#fff;--brand:#1f5f56;
--brand-2:#e9f2ef;--accent:#b5651d;--accent-2:#fbf1e6;--warn:#8a1c1c;--warn-2:#fcecec;--ok:#2d6a2d}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.85 "Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif;overflow-wrap:anywhere}
a{color:var(--brand)}a:hover{color:var(--accent)}
.wrap{max-width:820px;margin:0 auto;padding:0 16px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;flex-wrap:wrap}
.logo{font-weight:700;font-size:18px;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.logo small{display:block;font-weight:400;font-size:11px;color:var(--sub);letter-spacing:0}
nav.gnav a{margin-left:14px;font-size:14px;text-decoration:none;color:var(--sub)}
nav.gnav a:hover{color:var(--brand)}
.pr{background:#f3f1ec;color:var(--sub);font-size:12px;padding:4px 0}
.crumb{font-size:13px;color:var(--sub);margin:14px 0 0}
.crumb a{color:var(--sub)}
main{padding-bottom:48px}
h1{font-size:25px;line-height:1.45;margin:18px 0 8px}
h2{font-size:20px;line-height:1.5;margin:40px 0 12px;padding:6px 0 6px 12px;border-left:5px solid var(--brand)}
h3{font-size:17px;margin:26px 0 8px}
.lead{color:var(--sub);margin:0 0 18px}
.updated{font-size:13px;color:var(--sub)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:18px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat .k{font-size:12.5px;color:var(--sub)}
.stat .v{font-size:22px;font-weight:700;line-height:1.3}
.stat .s{font-size:12.5px;color:var(--sub)}
.box{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:16px 0}
.box.note{background:var(--brand-2);border-color:#cfe2dc}
.box.warn{background:var(--warn-2);border-color:#f0caca}
.box.deadline{background:var(--accent-2);border-color:#f0d6b8}
.box > :first-child{margin-top:0}.box > :last-child{margin-bottom:0}
.tbl{overflow-x:auto;margin:12px 0;border:1px solid var(--line);border-radius:10px;background:var(--card);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f4f6f5;font-weight:600;white-space:nowrap}
td.n,th.n{text-align:right;white-space:nowrap}
tr:last-child td{border-bottom:0}
.src{font-size:12.5px;color:var(--sub);margin:6px 0 0}
.totop{display:block;text-align:center;font-size:14px;margin:26px 0 0}
.muted{color:var(--sub)}
.small{font-size:13.5px}
.up{color:#b33}.down{color:#1d5fa8}
.ads{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:14px 0 22px}
.ad{border:1px solid #e3c9a8;background:#fff;border-radius:12px;padding:14px 16px;display:flex;flex-direction:column}
.ad .t{font-weight:700;font-size:16px;margin:0 0 4px}
.ad .d{font-size:14px;color:var(--sub);margin:0 0 12px;flex:1}
.adtag{font-size:11px;font-weight:400;color:var(--sub);border:1px solid var(--line);border-radius:4px;padding:0 5px;margin-right:6px;vertical-align:2px}
.adbtn a{display:block;text-align:center;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:12px 14px;border-radius:10px}
.adbtn a:hover{filter:brightness(1.08);color:#fff}
.adbtn a::after{content:" \203A"}
.adban{text-align:center}.adban a img{max-width:100%;height:auto}
a.btn{display:block;text-align:center;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:13px 16px;border-radius:10px}
a.btn:hover{filter:brightness(1.08);color:#fff}
.ads-note{font-size:13px;color:var(--sub);margin:-12px 0 22px}
.ad.lead{border-width:2px;border-color:var(--accent);box-shadow:0 2px 10px rgba(181,101,29,.12)}
.ad.lead .t{font-size:17px}.ad.lead .adbtn a{padding:14px 16px;font-size:16px}
.midcta{border:1px solid #e3c9a8;background:var(--accent-2);border-radius:12px;padding:12px 14px;margin:16px 0}
.midcta p{margin:0 0 8px;font-size:14px}.midcta .ads{margin:0}
.decide{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:12px 0 18px;padding:0;list-style:none}
.decide li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.decide b{display:block;margin-bottom:3px}.decide p{margin:0;font-size:14px;color:var(--sub)}
.ctabar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:40;background:var(--accent);color:#fff;text-align:center;font-weight:700;font-size:15px;padding:13px 16px calc(13px + env(safe-area-inset-bottom));text-decoration:none;box-shadow:0 -2px 10px rgba(0,0,0,.18)}
.ctabar:hover{color:#fff;filter:brightness(1.06)}.ctabar.off{display:none!important}
body.has-cta{padding-bottom:64px}
.paths{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin:14px 0}
.path{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.path b{display:block;margin-bottom:2px}
.path p{margin:0;font-size:14px;color:var(--sub)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0;padding:0;list-style:none}
.chips a{display:inline-block;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:7px 13px;font-size:14px;text-decoration:none}
.grid-pref{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px}
.grid-pref a{display:block;text-align:center;border:1px solid var(--line);background:var(--card);border-radius:8px;padding:10px 4px;text-decoration:none;font-size:14px}
.faq dt{font-weight:700;margin-top:14px}.faq dd{margin:4px 0 0}
figure.ph{margin:14px 0;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.phh{position:relative;overflow:hidden;border-radius:12px;margin:14px 0 4px;background:#1f2a2e}
.phh.full{border-radius:0;margin:0 0 4px}
.phh.full .inner{padding-left:0;padding-right:0}
.phh.full .wrap{width:100%}
.phh>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.phh .inner{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:236px;
padding:20px 18px;color:#fff;background:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.30) 45%,rgba(0,0,0,.74))}
.phh h1{margin:0;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.6)}
.phh h1 span{opacity:.92}
.phh .lead{margin:8px 0 0;color:#eef2f1;text-shadow:0 2px 8px rgba(0,0,0,.65)}
.phh .updated{margin:8px 0 0;color:#dfe7e4}
.phcap{font-size:12px;color:var(--sub);margin:0 0 14px}
.phcap a{color:var(--sub)}
@media (min-width:700px){.phh .inner{min-height:300px;padding:26px 24px}}
figure.ph img{display:block;width:100%;height:auto}
figure.ph figcaption{font-size:12px;color:var(--sub);padding:6px 12px 8px}
figure.ph figcaption a{color:var(--sub)}
.filter{margin:10px 0}
.filter input{width:100%;max-width:360px;font-size:16px;padding:10px 12px;border:1px solid #b9c4c1;border-radius:10px;background:var(--card);color:var(--ink)}
.filter span{margin-left:8px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:16px 0}
.toc b{display:block;font-size:14px;margin-bottom:6px}
.toc ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.toc a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-size:14px;text-decoration:none;background:var(--bg)}
details.more{margin:10px 0}
details.more>summary{cursor:pointer;display:inline-block;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px;font-size:14px;color:var(--brand)}
details.more[open]>summary{margin-bottom:8px}
h2,h3{scroll-margin-top:12px}
.spark{width:100%;max-width:520px;height:auto;display:block;margin:6px 0}
.search{position:relative;margin:16px 0}
.search input{width:100%;font-size:16px;padding:12px 14px;border:2px solid var(--brand);border-radius:10px}
.search ul{list-style:none;margin:4px 0 0;padding:0;background:#fff;border:1px solid var(--line);border-radius:10px;max-height:320px;overflow:auto}
.search li a{display:block;padding:8px 12px;text-decoration:none;border-bottom:1px solid var(--line)}
.hero{background:linear-gradient(180deg,#e9f2ef,#fbfaf7);border-bottom:1px solid var(--line);padding:26px 0 18px}
.hero h1{margin-top:0}
.tool{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
.tool label{display:block;font-weight:600;margin:12px 0 4px}
.tool input,.tool select{font-size:16px;padding:8px 10px;border:1px solid #b9c4c1;border-radius:8px;width:100%;max-width:320px;background:#fff}
.tool .row{display:flex;gap:16px;flex-wrap:wrap}
.tool .check label{font-weight:400;display:flex;gap:8px;align-items:flex-start;margin:8px 0}
.tool .check input{width:auto;margin-top:6px}
.result{margin-top:14px;background:var(--brand-2);border-radius:10px;padding:14px 16px}
.result .big{font-size:24px;font-weight:700}
footer.site{border-top:1px solid var(--line);background:var(--card);padding:26px 0 40px;font-size:13.5px;color:var(--sub)}
footer.site a{color:var(--sub)}
footer.site ul{list-style:none;padding:0;margin:8px 0;display:flex;flex-wrap:wrap;gap:4px 16px}
@media (prefers-color-scheme:dark){
:root{--ink:#e6ece9;--sub:#a3b1ad;--line:#2d3639;--bg:#141819;--card:#1b2122;--brand:#7fc7b7;
--brand-2:#1d2c29;--accent:#d89354;--accent-2:#2a2118;--warn-2:#2b1c1c}
th{background:#222a2b}
table.stack td:first-child{background:#222a2b}
.hero{background:linear-gradient(180deg,#1d2c29,#141819)}
.search input{background:#1b2122;color:var(--ink)}
.search ul{background:#1b2122}
.tool input,.tool select{background:#1b2122;color:var(--ink);border-color:#3a4547}
.ad{background:#fff;border-color:#8a6a45}
.ad .t{color:#1f2a2e}.ad .d{color:#56656b}
figure.ph img{filter:brightness(.92)}
.midcta{background:#221b14;border-color:#8a6a45}
}
@media (max-width:600px){
h1{font-size:21px}h2{font-size:18px;margin:32px 0 10px}.stat .v{font-size:19px}
nav.gnav a{margin-left:0;margin-right:14px;padding:6px 0;display:inline-block}
.wrap{padding:0 14px}
.stats{grid-template-columns:1fr 1fr;gap:8px}
.stat{padding:10px 12px}
.chips a{padding:7px 13px}
footer.site ul{gap:10px 16px}footer.site li a{display:inline-block;padding:4px 0}
table{font-size:13.5px}th,td{padding:7px 8px}
/* 横長の表は、スマホでは「項目名＋値」の縦並びにする */
table.stack thead{display:none}
table.stack tr{display:block;border-bottom:1px solid var(--line);padding:6px 0 8px}
table.stack tr:last-child{border-bottom:0}
table.stack td{display:flex;justify-content:space-between;align-items:baseline;gap:12px;border:0;padding:3px 12px;text-align:right}
table.stack td::before{content:attr(data-label);color:var(--sub);font-size:12.5px;text-align:left;flex:0 0 auto}
table.stack td:first-child{display:block;text-align:left;font-weight:700;background:#f4f6f5;padding:6px 12px;margin-bottom:4px}
table.stack td:first-child::before{content:none}
.hide-sm{display:none}
.ctabar{display:block}
}