/* 値はアプリのデザイントークン(08-design-tokens)に合わせる */
:root{--accent:#0A6CFF;--bg:#F2F2F7;--text:#222;--sub:#6B6B6B;--line:#E6E6E6}
@media (prefers-color-scheme:dark){:root{--accent:#2F7DFF;--bg:#000;--text:#fff;--sub:#98989F;--line:#38383A;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;-webkit-text-size-adjust:100%}
main{max-width:560px;margin:0 auto;padding:32px max(20px,env(safe-area-inset-right)) 32px max(20px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:32px}
a{color:inherit}
a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.name{margin:0;font-size:2.5rem;font-weight:700;line-height:1.1;letter-spacing:.02em}
.lead{margin:0;font-size:1.25rem;font-weight:700;line-height:1.4}
.features{display:flex;flex-direction:column;gap:24px}
.features h2{margin:0;font-size:1rem;font-weight:700;line-height:1.5}
.features p,.sub{margin:4px 0 0;font-size:.9375rem;color:var(--sub);line-height:1.6}
.foot{display:flex;flex-wrap:wrap;gap:0 16px}
.foot a{display:inline-flex;align-items:center;min-height:44px;color:var(--sub);font-size:.9375rem}
.back{display:inline-flex;align-items:center;gap:4px;min-height:44px;margin-bottom:-24px;text-decoration:none;font-weight:600}
.back svg{width:1em;height:1em}
.doc h1{margin:0 0 4px;font-size:1.75rem;font-weight:700;line-height:1.3}
.doc h2{margin:32px 0 8px;font-size:1.25rem;font-weight:700;line-height:1.4}
.doc p{margin:0 0 12px}
.doc ul{margin:0 0 12px;padding-left:1.25em}
.doc li{margin-bottom:4px}
.doc table{width:100%;border-collapse:collapse;margin:0 0 12px;font-size:.9375rem}
.doc th,.doc td{text-align:left;vertical-align:top;padding:8px 8px 8px 0;border-top:1px solid var(--line)}
.doc th{font-weight:600;white-space:nowrap}