@font-face{font-family:Noto Sans JP;font-weight:400;font-display:swap;src:url(/fonts/noto-sans-jp-400.woff2) format("woff2")}@font-face{font-family:Noto Sans JP;font-weight:700;font-display:swap;src:url(/fonts/noto-sans-jp-700.woff2) format("woff2")}@font-face{font-family:Plex Mono;font-weight:500;font-display:swap;src:url(/fonts/mono-500.woff2) format("woff2")}:root{--paper: #f6f7f4;--paper-2: #eef1ec;--card: #ffffff;--ink: #17202b;--ink-2: #3d4856;--ink-3: #5b6672;--line: #d5dbd4;--line-2: #b9c2ba;--navy: #173a5e;--navy-2: #0f2a46;--navy-soft: #e5edf5;--amber: #e2a400;--amber-soft: #fff4d1;--ok: #1f6b4f;--ok-soft: #e3f2ea;--warn: #8a5300;--grid: rgba(23, 58, 94, .055);--mono: "Plex Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;--sans: "Noto Sans JP", system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", sans-serif;--r: 6px;--wrap: 1180px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:16px}body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.8 var(--sans);letter-spacing:.02em;overflow-wrap:anywhere}img,svg{max-width:100%}a{color:var(--navy);text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{color:var(--navy-2);text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:2px}h1,h2,h3,h4{line-height:1.4;letter-spacing:.03em;margin:0 0 .6em;font-weight:700}p{margin:0 0 1em}ul,ol{padding-left:1.4em}table{border-collapse:collapse;width:100%}small{font-size:.82em}.mono{font-family:var(--mono);letter-spacing:.02em}.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:8px 14px;z-index:50;border-radius:var(--r)}.skip:focus{left:8px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.site-header{background:var(--card);border-bottom:1px solid var(--line);position:relative}.site-header:before{content:"";display:block;height:4px;background:linear-gradient(90deg,var(--navy) 0 70%,var(--amber) 70% 100%)}.header-inner{display:flex;align-items:center;gap:16px;min-height:68px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}.brand:hover{color:var(--ink)}.brand svg{width:38px;height:38px;flex:none}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-name{font-weight:700;font-size:1.08rem;letter-spacing:.06em}.brand-en{font-family:var(--mono);font-size:.66rem;color:var(--ink-3);letter-spacing:.16em}.gnav{margin-left:auto}.gnav ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}.gnav a{display:block;padding:10px 14px;text-decoration:none;color:var(--ink-2);font-weight:700;font-size:.92rem;border-radius:var(--r)}.gnav a:hover{background:var(--paper-2);color:var(--ink)}.gnav a[aria-current=page]{color:var(--navy);box-shadow:inset 0 -3px 0 var(--amber);border-radius:0}.menu-btn{display:none;margin-left:auto;background:var(--card);border:1px solid var(--line-2);border-radius:var(--r);padding:9px 14px;font:700 .9rem var(--sans);color:var(--ink);min-height:44px}.menu-ic{display:inline-block;width:16px;height:2px;background:var(--ink);position:relative;vertical-align:middle;margin-right:8px}.menu-ic:before,.menu-ic:after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink)}.menu-ic:before{top:-5px}.menu-ic:after{top:5px}.crumbs{font-size:.82rem;color:var(--ink-3);padding-top:14px;padding-bottom:0}.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0}.crumbs li+li:before{content:"／";margin:0 6px;color:var(--line-2)}.crumbs a{color:var(--ink-3)}.hero{position:relative;border-bottom:1px solid var(--line);background:linear-gradient(var(--grid) 1px,transparent 1px) 0 0 / 24px 24px,linear-gradient(90deg,var(--grid) 1px,transparent 1px) 0 0 / 24px 24px,var(--paper)}.hero-inner{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:40px;align-items:center;padding:56px 16px 52px}.eyebrow{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;color:var(--navy);display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}.eyebrow:before{content:"";width:26px;height:2px;background:var(--amber)}.hero h1{font-size:clamp(1.9rem,1.2rem + 2.6vw,3rem);line-height:1.35;letter-spacing:.04em;margin-bottom:18px}.hero h1 em{font-style:normal;background:linear-gradient(transparent 68%,var(--amber-soft) 68%)}.hero .lead{color:var(--ink-2);font-size:1.02rem;max-width:36em}.hero-stats{display:flex;flex-wrap:wrap;gap:10px 28px;margin:22px 0 0;padding:0;list-style:none}.hero-stats li{display:flex;flex-direction:column;border-left:3px solid var(--navy);padding-left:12px}.hero-stats b{font:500 1.7rem/1.2 var(--mono);color:var(--navy);letter-spacing:0}.hero-stats span{font-size:.8rem;color:var(--ink-3)}.sld{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 18px 12px;box-shadow:0 1px 0 var(--line),0 18px 40px -28px #0f2a4659}.sld svg{display:block;width:100%;height:auto}.sld figcaption{font-size:.78rem;color:var(--ink-3);border-top:1px dashed var(--line);margin-top:8px;padding-top:8px}.finder{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--r);padding:20px;margin-top:26px}.finder h2{font-size:1rem;margin-bottom:12px}.finder form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end}label.f{display:flex;flex-direction:column;gap:4px;font-size:.84rem;font-weight:700;color:var(--ink-2)}select,input[type=search],input[type=text]{font:400 1rem var(--sans);color:var(--ink);background:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:10px 12px;min-height:46px;width:100%}select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 20px;border-radius:var(--r);border:1px solid var(--navy);background:var(--navy);color:#fff;font:700 .96rem var(--sans);text-decoration:none;cursor:pointer;letter-spacing:.06em}.btn:hover{background:var(--navy-2);color:#fff}.btn.ghost{background:#fff;color:var(--navy)}.btn.ghost:hover{background:var(--navy-soft);color:var(--navy-2)}.sec{padding:56px 0}.sec.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.sec-head h2{font-size:clamp(1.3rem,1.05rem + .9vw,1.7rem);margin:0;display:flex;align-items:center;gap:12px}.sec-head h2:before{content:"";width:12px;height:12px;border:3px solid var(--navy);border-radius:50%;background:var(--amber);flex:none}.sec-head .code{font-family:var(--mono);font-size:.76rem;color:var(--ink-3);letter-spacing:.14em}.sec-head p{margin:6px 0 0;color:var(--ink-2);max-width:46em}.bus{height:2px;background:var(--navy);position:relative;margin:0 0 28px;opacity:.85}.bus:after{content:"";position:absolute;right:0;top:-4px;width:10px;height:10px;background:var(--amber);transform:rotate(45deg)}.region-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}.region{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}.region h2,.region h3{font-size:.9rem;color:var(--ink-3);margin-bottom:8px;font-weight:700}.region ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.region a,.region span.off{display:inline-flex;align-items:baseline;gap:6px;padding:6px 10px;border:1px solid var(--line);border-radius:4px;text-decoration:none;color:var(--ink);font-size:.9rem;min-height:36px;background:var(--paper)}.region a:hover{border-color:var(--navy);background:var(--navy-soft)}.region a small{font-family:var(--mono);color:var(--navy)}.region span.off{color:var(--ink-3);background:transparent;border-style:dashed}.co-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.co{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 18px;position:relative}.co:before{content:"";position:absolute;left:-1px;top:14px;bottom:14px;width:3px;background:var(--navy);border-radius:0 2px 2px 0}.co .name{font-weight:700;font-size:1.06rem;margin:0;line-height:1.5}.co .name a{color:var(--ink);text-decoration:none}.co .name a:hover{color:var(--navy);text-decoration:underline}.co .meta{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.86rem;color:var(--ink-2);margin:0}.co .meta .tel{font-family:var(--mono)}.co .areas{grid-column:1 / -1;font-size:.84rem;color:var(--ink-2);margin:2px 0 0}.co .areas b{color:var(--ink-3);font-weight:700;margin-right:6px}.co .side{display:flex;flex-direction:column;align-items:flex-end;gap:6px}.tag{display:inline-flex;align-items:center;gap:4px;font-size:.74rem;font-weight:700;padding:2px 8px;border-radius:3px;border:1px solid var(--line-2);color:var(--ink-2);background:#fff;white-space:nowrap;line-height:1.6}.tag.navy{background:var(--navy-soft);border-color:#c7d6e6;color:var(--navy-2)}.tag.ok{background:var(--ok-soft);border-color:#bcdccb;color:var(--ok)}.tag.amber{background:var(--amber-soft);border-color:#f0d68a;color:#6b4a00}.search-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px;align-items:start;padding-top:24px;padding-bottom:64px}.filters{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;position:sticky;top:12px}.filters fieldset{border:0;margin:0 0 16px;padding:0}.filters legend{font-weight:700;font-size:.88rem;margin-bottom:6px;color:var(--ink-2)}.filters .opt{display:flex;align-items:center;gap:8px;font-size:.92rem;min-height:36px;cursor:pointer}.filters input[type=checkbox],.filters input[type=radio]{width:18px;height:18px;accent-color:var(--navy)}.filters details summary{display:none}.result-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}#count{font-weight:700;font-size:1.05rem;margin:0}#count b{font-family:var(--mono);font-size:1.4rem;color:var(--navy);margin-right:2px}.chips{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;list-style:none}.chips button{font:700 .8rem var(--sans);border:1px solid #c7d6e6;background:var(--navy-soft);color:var(--navy-2);border-radius:99px;padding:5px 12px;cursor:pointer;min-height:32px}.chips button:after{content:" ✕"}#empty{background:var(--card);border:1px dashed var(--line-2);border-radius:var(--r);padding:24px;text-align:center;color:var(--ink-2)}.more{display:flex;justify-content:center;margin-top:16px}.page-head{padding:26px 0 28px;border-bottom:1px solid var(--line);background:var(--card)}.page-head h1{font-size:clamp(1.45rem,1.1rem + 1.4vw,2.1rem);margin:6px 0 10px}.page-head .lead{color:var(--ink-2);max-width:46em;margin:0}.page-head .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.detail{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;padding-top:32px;padding-bottom:64px;align-items:start}.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:20px}.panel h2{font-size:1.1rem;display:flex;align-items:center;gap:10px}.panel h2:before{content:"";width:10px;height:10px;background:var(--navy);border-radius:50%;box-shadow:0 0 0 3px var(--amber-soft)}.kv{width:100%;font-size:.94rem}.kv th,.kv td{text-align:left;vertical-align:top;padding:10px 8px;border-bottom:1px solid var(--line)}.kv th{width:9em;color:var(--ink-3);font-weight:700;font-size:.86rem}.kv td .mono{font-size:.95em}.pref-chips{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:0;padding:0}.pref-chips a,.pref-chips span{font-size:.84rem;border:1px solid var(--line);border-radius:4px;padding:3px 9px;text-decoration:none;background:var(--paper);color:var(--ink)}.pref-chips a:hover{border-color:var(--navy);background:var(--navy-soft)}.srcline{font-size:.8rem;color:var(--ink-3)}.notice{background:var(--amber-soft);border:1px solid #f0d68a;border-left:4px solid var(--amber);border-radius:var(--r);padding:14px 16px;font-size:.92rem;color:var(--ink)}.notice strong{display:block;margin-bottom:4px}.info{background:var(--navy-soft);border:1px solid #c7d6e6;border-radius:var(--r);padding:14px 16px;font-size:.92rem}.doc{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;padding-top:32px;padding-bottom:64px;align-items:start}.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px 32px}.prose h2{font-size:1.28rem;margin:2em 0 .7em;padding-bottom:8px;border-bottom:2px solid var(--navy);position:relative}.prose h2:after{content:"";position:absolute;left:0;bottom:-2px;width:64px;height:2px;background:var(--amber)}.prose h2:first-child{margin-top:0}.prose h3{font-size:1.06rem;margin:1.6em 0 .5em}.prose table{font-size:.92rem;margin:0 0 1.2em}.prose th,.prose td{border:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}.prose thead th{background:var(--paper-2)}.src{font-size:.78rem;color:var(--ink-3);display:block;margin-top:-.4em;margin-bottom:1.1em}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.toc{position:sticky;top:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;font-size:.9rem}.toc h2{font-size:.86rem;color:var(--ink-3);margin-bottom:8px}.toc ol{margin:0;padding-left:1.2em}.toc li{margin:4px 0}.guide-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;list-style:none;padding:0;margin:0}.guide-card{display:flex;flex-direction:column;gap:6px;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);position:relative}.guide-card:hover{border-color:var(--navy);color:var(--ink)}.guide-card .no{font-family:var(--mono);font-size:.78rem;color:var(--navy);letter-spacing:.1em}.guide-card b{font-size:1.04rem}.guide-card span.d{font-size:.86rem;color:var(--ink-2)}.steps{list-style:none;counter-reset:s;padding:0;margin:0 0 1.2em}.steps li{counter-increment:s;position:relative;padding:0 0 16px 44px;border-left:2px solid var(--line);margin-left:14px}.steps li:last-child{border-left-color:transparent}.steps li:before{content:counter(s);position:absolute;left:-15px;top:0;width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;font:500 .86rem/28px var(--mono);text-align:center}.checker{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--navy);border-radius:var(--r);padding:22px}.checker fieldset{border:0;padding:0;margin:0 0 18px}.checker legend{font-weight:700;margin-bottom:8px}.checker .opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}.checker .opts label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;cursor:pointer;font-size:.92rem;background:var(--paper);min-height:44px}.checker .opts label:has(input:checked){border-color:var(--navy);background:var(--navy-soft)}.checker input[type=radio]{width:18px;height:18px;accent-color:var(--navy);margin-top:3px;flex:none}.verdict{border-radius:var(--r);padding:16px 18px;margin-top:6px;border:1px solid var(--line);background:var(--paper)}.verdict[data-v=ok]{border-color:#bcdccb;background:var(--ok-soft)}.verdict[data-v=ng]{border-color:#f0d68a;background:var(--amber-soft)}.verdict h2{margin:0 0 6px;font-size:1.05rem}.site-footer{background:var(--card);border-top:1px solid var(--line);margin-top:0;font-size:.88rem;color:var(--ink-2)}.site-footer:before{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--navy) 0 70%,var(--amber) 70% 100%)}.footer-inner{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:32px;padding:36px 16px 20px}.footer-brand .brand{margin-bottom:12px}.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}.footer-nav ul{list-style:none;margin:0;padding:0}.footer-nav li{margin:0 0 8px}.footer-nav a{color:var(--ink-2)}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);padding:14px 16px 22px}.footer-bottom p{margin:0}@media(max-width:960px){.hero-inner{grid-template-columns:1fr;padding:36px 16px;gap:28px}.search-layout,.detail,.doc{grid-template-columns:1fr}.filters{position:static}.toc{position:static;order:-1}.toc .rel,.toc.no-toc{display:none}.footer-inner{grid-template-columns:1fr}}@media(max-width:760px){body{font-size:15.5px}.menu-btn{display:inline-flex;align-items:center}.gnav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--card);border-bottom:1px solid var(--line);z-index:20;box-shadow:0 12px 24px -16px #0000004d}.gnav.open{display:block}.gnav ul{flex-direction:column;padding:8px 16px 14px}.gnav a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0}.gnav a[aria-current=page]{box-shadow:inset 3px 0 0 var(--amber)}.brand-en{display:none}.brand-name{font-size:.98rem;letter-spacing:.03em;white-space:nowrap}.brand svg{width:34px;height:34px}.menu-btn{white-space:nowrap;padding:8px 12px}.header-inner{gap:10px;min-height:60px}.hero h1{font-size:1.72rem;letter-spacing:.02em}.hero-stats{gap:10px 18px}.hero-stats b{font-size:1.4rem}.finder form{grid-template-columns:1fr}.sec{padding:40px 0}.co{grid-template-columns:1fr;padding:14px 14px 14px 16px}.co .side{flex-direction:row;flex-wrap:wrap;align-items:center}.prose{padding:20px 16px}.kv th{width:7em}.filters details summary{display:flex;align-items:center;justify-content:space-between;font-weight:700;min-height:44px;cursor:pointer}.filters{padding:12px 14px}.sld{padding:12px 10px 8px}}@media(prefers-reduced-motion:no-preference){.sld .flow{stroke-dasharray:6 10;animation:flow 2.4s linear infinite}@keyframes flow{to{stroke-dashoffset:-32}}}@media print{.site-header,.site-footer,.filters,.toc{display:none}body{background:#fff}}