:root{--bg:#f7f7f5;--card:#ffffff;--ink:#1f2328;--muted:#6b7280;--line:#e5e7eb;--brand:#0f5c8f;--brand-ink:#ffffff;--up:#b42318;--down:#0b6e4f;--soft:#eef4f9;--max:1040px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#111416;--card:#1a1e22;--ink:#e6e8ea;--muted:#9aa3ad;--line:#2b3238;--brand:#5aa9e6;--brand-ink:#0b1b27;--up:#ff8a80;--down:#6fd3a8;--soft:#1f2a33}}
:root[data-theme="dark"]{--bg:#111416;--card:#1a1e22;--ink:#e6e8ea;--muted:#9aa3ad;--line:#2b3238;--brand:#5aa9e6;--brand-ink:#0b1b27;--up:#ff8a80;--down:#6fd3a8;--soft:#1f2a33}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.7;font-size:16px}
a{color:var(--brand)}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .in{max-width:var(--max);margin:0 auto;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
header.site .brand{font-weight:700;text-decoration:none;color:var(--ink)}
header.site nav a{margin-left:14px;font-size:14px}
main{max-width:var(--max);margin:0 auto;padding:16px}
.crumbs{font-size:13px;color:var(--muted);margin:4px 0 12px}.crumbs a{color:var(--muted)}
h1{font-size:1.5rem;line-height:1.35;margin:8px 0 6px}h2{font-size:1.15rem;margin:28px 0 10px;padding-left:10px;border-left:4px solid var(--brand)}h3{font-size:1rem;margin:18px 0 6px}
.lead{color:var(--muted);margin:0 0 14px;font-size:15px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:14px 0}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.kpi .l{font-size:12px;color:var(--muted)}.kpi .v{font-size:1.35rem;font-weight:700;line-height:1.3}.kpi .s{font-size:12px;color:var(--muted)}
.up{color:var(--up)}.down{color:var(--down)}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:8px 0}
table{border-collapse:collapse;width:100%;background:var(--card);font-size:14px;min-width:520px}
th,td{border:1px solid var(--line);padding:7px 9px;text-align:right;white-space:nowrap}th{background:var(--soft);font-weight:600}
th:first-child,td:first-child{text-align:left;position:sticky;left:0;background:var(--card)}thead th:first-child{background:var(--soft)}
td.c a{font-weight:600;text-decoration:none}td.c small{display:block;color:var(--muted);font-weight:400;font-size:11px}td.thin{color:var(--muted)}
.cta{background:var(--brand);color:var(--brand-ink);border-radius:12px;padding:18px 18px;margin:26px 0;text-align:center}
.cta a.btn{display:inline-block;background:var(--card);color:var(--brand);font-weight:700;padding:12px 22px;border-radius:999px;text-decoration:none;margin-top:8px}
.cta p{margin:4px 0}.cta .n{font-size:13px;opacity:.9}
.chart{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px}
svg text{fill:var(--muted);font-size:11px}svg .ln{stroke:var(--brand);fill:none;stroke-width:2.5}svg .dot{fill:var(--brand)}svg .ax{stroke:var(--line)}
.tags a,.tags span{display:inline-block;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:3px 10px;margin:3px 4px 3px 0;font-size:13px;text-decoration:none}
.note{font-size:13px;color:var(--muted)}
details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0}summary{cursor:pointer;font-weight:600}
footer{border-top:1px solid var(--line);margin-top:30px}footer .in{max-width:var(--max);margin:0 auto;padding:16px;font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px}.card h3{margin:0 0 6px}
ol.rank{padding-left:22px}ol.rank li{margin:4px 0}