:root{color-scheme:light dark;--bg:#f7f7f5;--surface:#fff;--text:#1c1d1f;--muted:#5f6368;--line:#dcdcd8;--accent:#2f5bd3;--accent-text:#fff;--ok:#1d7a46;--ng:#b3261e;--code:#f0f0ec;font-family:system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",sans-serif}
@media (prefers-color-scheme:dark){:root{--bg:#141517;--surface:#1d1f22;--text:#e8e8e6;--muted:#a3a6ab;--line:#33363b;--accent:#8aa8ff;--accent-text:#0d1426;--ok:#6fcf97;--ng:#ff8a80;--code:#26292d}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.7;font-size:15px}
a{color:var(--accent)}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--code);border-radius:4px}code{padding:.1em .35em}pre{padding:12px 14px;overflow-x:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px}
header{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center;justify-content:space-between;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--surface)}
.brand{font-weight:700;text-decoration:none;color:var(--text)}.brand span{color:var(--muted);font-weight:400;margin-left:8px;font-size:.9em}
nav{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center}nav a{text-decoration:none}nav a[aria-current=page]{font-weight:700;color:var(--text)}
main{max-width:880px;margin:0 auto;padding:32px 16px 64px}h1{font-size:1.6rem;line-height:1.3;margin:0 0 16px}h2{font-size:1.15rem;margin:32px 0 8px}
.lead{color:var(--muted);margin-top:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:20px;margin:16px 0}
.notice,.error{border-radius:8px;padding:12px 16px;margin:0 0 16px;border:1px solid}.notice{border-color:var(--ok)}.error{border-color:var(--ng)}.error ul{margin:4px 0 0;padding-left:20px}
label{display:block;font-weight:600;margin:12px 0 4px}input[type=text],input[type=email],input[type=password],input[type=number],input[type=file]{width:100%;max-width:420px;font:inherit;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--text)}
.hint{color:var(--muted);font-size:.9em;margin:4px 0 0}
button,.button{display:inline-block;font:inherit;font-weight:600;padding:8px 16px;margin-top:16px;border-radius:6px;border:1px solid var(--accent);background:var(--accent);color:var(--accent-text);cursor:pointer;text-decoration:none}
button.quiet{background:transparent;color:var(--accent);margin:0;padding:4px 10px}.link-button{background:none;border:0;color:var(--accent);padding:0;margin:0;font-weight:400;text-decoration:underline}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.85em;color:var(--muted);font-weight:600}
.table-wrap{overflow-x:auto}.secret{word-break:break-all;user-select:all}
footer{max-width:880px;margin:0 auto;padding:16px;color:var(--muted);font-size:.85em;display:flex;gap:16px;flex-wrap:wrap}