:root{
  --bg:#FDFCF8; --paper:#FFFFFF; --rule:#E6DCCB;
  --ink:#4A3728; --ink-2:#7A6555; --ink-3:#766556; --link:#1F6E52;
  --font-body:"Zen Maru Gothic","Hiragino Maru Gothic ProN","BIZ UDPGothic","Yu Gothic UI","Meiryo",sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){ color-scheme:dark;
    --bg:#231C17; --paper:#2C241E; --rule:#453A31;
    --ink:#F3EBE0; --ink-2:#CBBFAF; --ink-3:#A69783; --link:#7FD1B5; }
}
:root[data-theme="dark"]{ color-scheme:dark;
  --bg:#231C17; --paper:#2C241E; --rule:#453A31;
  --ink:#F3EBE0; --ink-2:#CBBFAF; --ink-3:#A69783; --link:#7FD1B5; }
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.85;-webkit-text-size-adjust:100%}
.wrap{max-width:44rem;padding:16px 16px 40px;margin-inline:auto}
a{color:var(--link)}
.mast{min-height:44px;display:flex;align-items:center}
.mast .logo{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-weight:700;font-size:20px;color:var(--ink);text-decoration:none}
.crumb ol{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;font-size:14px;color:var(--ink-2)}
.crumb li+li::before{content:"›";margin:0 6px;color:var(--ink-3)}
.crumb a{display:inline-flex;align-items:center;min-height:44px}
.crumb li[aria-current]{display:inline-flex;align-items:center;min-height:44px}
h1{font-size:24px;line-height:1.4;margin:20px 0 12px}
h2{font-size:20px;line-height:1.4;margin:36px 0 8px;padding-top:12px;border-top:2px solid var(--rule)}
h3{font-size:16px;line-height:1.5;margin:16px 0 0}
h1,h2,h3{word-break:auto-phrase}
p{margin:0}
.ans p{font-size:17px}
.ans p+p{margin-top:10px}
.note{font-size:14px;color:var(--ink-2);margin-top:8px}
.fixline{font-size:15px}
.tw{margin-top:12px;overflow-x:auto}
.tw table{border-collapse:collapse;background:var(--paper)}
.tw caption{text-align:left;font-size:14px;color:var(--ink-2);padding:0 0 4px}
.tw th,.tw td{border-bottom:1px solid var(--rule);padding:6px 8px;text-align:left;font-size:13px;line-height:1.5;vertical-align:top}
.tw thead th{color:var(--ink-2);font-weight:400;border-bottom:1px solid var(--ink-2)}
.tw tbody th{font-weight:700}
.tw .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tw table.kt{width:auto;min-width:0;max-width:100%}
.kt th{word-break:keep-all}
.kt thead th.r{text-align:right}
.kt tbody th a{display:inline-block;min-height:24px}
.yl{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;column-gap:16px}
.yl a{display:inline-flex;align-items:center;min-height:44px}
.dots{margin:8px 0 0;padding-left:1.2em}
.dots li+li{margin-top:6px}
.attr{white-space:pre-wrap;font-size:13px;line-height:1.7;background:var(--paper);border:1px solid var(--rule);border-radius:6px;padding:10px 12px;overflow-wrap:anywhere}
.foot{margin-top:40px;border-top:2px solid var(--rule);padding-top:14px;font-size:14px;color:var(--ink-3);line-height:1.8}
.foot p+p{margin-top:6px}
.foot .fl{display:flex;flex-wrap:wrap;column-gap:14px}
.foot .fl a{display:inline-flex;align-items:center;min-height:44px}
.disc summary{cursor:pointer;color:var(--link);min-height:44px;display:flex;align-items:center}
.disc p{font-size:13px;margin-top:4px}