:root{--bg:#fff;--fg:#1c1c1e;--muted:#5c5c63;--soft:#f2f2f7;--line:#e2e2e8;--primary:#007aff;--accent:#ff9500;--warn-bg:#fff4e0;--warn-line:#ffb84d;--ok-bg:#e8f6ee;--ok-line:#34c759;--code:#eef0f5}
@media (prefers-color-scheme:dark){:root{--bg:#1c1c1e;--fg:#f2f2f7;--muted:#a1a1aa;--soft:#2a2a2d;--line:#3a3a3e;--primary:#4da3ff;--warn-bg:#3a2d14;--warn-line:#b9822a;--ok-bg:#16301f;--ok-line:#2f9e4f;--code:#2c2c30}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 "Noto Sans JP",-apple-system,"Hiragino Sans","Segoe UI",sans-serif}
a{color:var(--primary)}
header.top{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{max-width:880px;margin:0 auto;padding:10px 16px;display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center}
.bar .brand{font-weight:700;font-size:18px;color:var(--fg);text-decoration:none;margin-right:auto}
.bar a.nav{color:var(--muted);text-decoration:none;font-size:14px}
.bar a.nav[aria-current]{color:var(--primary);font-weight:700}
.bar a.lang{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:2px 12px;text-decoration:none}
main{max-width:880px;margin:0 auto;padding:28px 16px 64px}
h1{font-size:clamp(26px,5vw,38px);line-height:1.3;margin:.2em 0 .4em}
h2{font-size:23px;margin:2.2em 0 .6em;padding-left:12px;border-left:5px solid var(--primary);line-height:1.4}
h3{font-size:18px;margin:1.6em 0 .4em}
p,li{overflow-wrap:anywhere}
.lead{font-size:18px;color:var(--muted)}
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;margin-bottom:12px}
.hero img{width:100%;max-width:300px;justify-self:center;border-radius:22px;box-shadow:0 12px 36px rgba(0,0,0,.22)}
@media(max-width:700px){.hero{grid-template-columns:1fr}}
.btn{display:inline-block;background:var(--primary);color:#fff!important;text-decoration:none;font-weight:700;padding:11px 22px;border-radius:12px;margin:6px 8px 6px 0}
.btn.alt{background:var(--soft);color:var(--fg)!important;border:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.card{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.card h3{margin:.1em 0 .3em;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:15px}
.note,.warn,.ok{border-radius:12px;padding:14px 18px;margin:18px 0;border:1px solid}
.note{background:var(--soft);border-color:var(--line)}
.warn{background:var(--warn-bg);border-color:var(--warn-line)}
.ok{background:var(--ok-bg);border-color:var(--ok-line)}
.note>:first-child,.warn>:first-child,.ok>:first-child{margin-top:0}.note>:last-child,.warn>:last-child,.ok>:last-child{margin-bottom:0}
ol.steps{list-style:none;counter-reset:s;padding:0}
ol.steps>li{counter-increment:s;position:relative;padding:2px 0 14px 52px;min-height:44px}
ol.steps>li::before{content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;display:grid;place-items:center}
ol.steps>li>strong:first-child{display:block;font-size:17px}
table{border-collapse:collapse;width:100%;font-size:15px;margin:12px 0}
th,td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
th{background:var(--soft)}
code,.kbd{background:var(--code);border-radius:5px;padding:1px 6px;font:14px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:1px 10px;margin-left:6px;color:#fff;vertical-align:middle}
.tag.print{background:#34c759}.tag.no{background:#ff3b30}.tag.other{background:#8e8e93}
figure{margin:18px 0}figure svg{width:100%;height:auto;display:block}
figcaption{font-size:14px;color:var(--muted);margin-top:6px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;text-align:center;padding:24px 16px}
footer a{color:var(--muted)}
@media(max-width:620px){
table.files,table.files tbody{display:block}
table.files tr:first-child{display:none}
table.files tr{display:block;border:1px solid var(--line);border-radius:12px;margin:0 0 10px;padding:8px 12px;background:var(--soft)}
table.files td{display:block;border:0;padding:2px 0}
table.files td:last-child{color:var(--muted);font-size:14px}
}