:root{--bg:#f6f7f9;--card:#fff;--text:#1d2330;--sub:#5b6475;--line:#e3e6ec;--up:#0a8f5a;--down:#d23b3b;--accent:#2457c5}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Hiragino Sans","Noto Sans JP",Meiryo,sans-serif;line-height:1.7}
a{color:var(--accent)}
header.top{background:#fff;border-bottom:1px solid var(--line);padding:8px 16px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px;color:var(--accent);text-decoration:none}
.logo img{display:block}
.gnav a,.fnav a{color:var(--sub);text-decoration:none;font-size:14px;margin-left:16px}
.gnav a:hover,.fnav a:hover{color:var(--accent)}
main{max-width:960px;margin:0 auto;padding:16px}
h1{font-size:24px;margin:8px 0 4px}
h2{font-size:18px;margin:16px 0 8px}
.card h2:first-child{margin-top:0}
.lead{color:var(--sub);margin:0 0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin:0 0 16px}
.big{font-size:20px;margin:0 0 8px}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;white-space:nowrap}
th{background:#f0f2f6;font-weight:600}
table.kv th{width:9em;vertical-align:top}
table.kv td{white-space:normal}
td.num{text-align:right;font-variant-numeric:tabular-nums}
.up{color:var(--up)}.down{color:var(--down)}
.note{color:var(--sub);font-size:13px}
ul.note{padding-left:18px}
.form label{display:block;margin:0 0 12px;font-size:14px}
.form input,.form textarea{display:block;width:100%;margin-top:4px;padding:8px;border:1px solid #999;border-radius:6px;font:inherit}
.form button{background:var(--accent);color:#fff;border:0;border-radius:6px;padding:10px 24px;font:inherit;font-weight:600;cursor:pointer}
.form button:disabled{opacity:.6}
.hp{position:absolute;left:-9999px;width:1px;height:1px}
footer{text-align:center;color:var(--sub);font-size:13px;padding:24px 16px}
.fnav{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 0}
.fnav a{margin:0 8px}
@media (max-width:600px){.gnav a{margin-left:10px;font-size:13px}h1{font-size:21px}main{padding:12px 8px}.card{padding:12px 8px}table{font-size:12px}th,td{padding:5px 4px}td svg{width:72px}}
@media (max-width:400px){main{padding:12px 4px}.card{padding:12px 6px}table{font-size:11px}th,td{padding:5px 2px}td svg{width:56px}.hide-sp{display:none}}