:root{color-scheme:light dark;--bg:#0b0d10;--fg:#e8edf2;--dim:#9aa4af;--card:#151a20;--line:#27303a;--acc:#7ab8ff}
@media (prefers-color-scheme:light){:root{--bg:#f6f7f9;--fg:#15191e;--dim:#5b6570;--card:#fff;--line:#dfe3e8;--acc:#1f6fd1}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
header.top{display:flex;align-items:center;gap:12px;max-width:760px;margin:0 auto;padding:16px 16px 0}
header.top a{color:inherit;text-decoration:none}
header.top .grow{flex:1}
header.top img{width:36px;height:36px;border-radius:8px}
h1{font-size:2rem;line-height:1.25;margin:24px 0 8px}
h2{font-size:1.3rem;margin:40px 0 12px}
h3{font-size:1.05rem;margin:24px 0 6px}
p,li{overflow-wrap:anywhere}
.dim{color:var(--dim)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;border:1px solid var(--acc);background:var(--acc);color:#fff;text-decoration:none;font-weight:600}
.btn.ghost{background:transparent;color:var(--acc)}
pre{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow-x:auto;white-space:pre}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}
table{width:100%;border-collapse:collapse;margin:12px 0}
th,td{text-align:left;vertical-align:top;padding:10px 8px;border-top:1px solid var(--line)}
th{width:34%;font-weight:600}
.hero{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.hero img.cat{width:140px;height:auto}
.hero .text{flex:1;min-width:240px}
footer{max-width:760px;margin:0 auto;padding:24px 16px 48px;color:var(--dim);font-size:.9rem}
footer a{color:inherit}
.price{font-size:1.6rem;font-weight:700}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.hero img.cat{border-radius:28px}