:root{--bg:#f6f3ec;--card:#fffdf8;--ink:#1c1b19;--mute:#6f6a60;--line:#ddd6c8;--off:#c8372d;--low:#1f6f6b;--link:#1c4f8a}
@media (prefers-color-scheme:dark){:root{--bg:#171613;--card:#201e1a;--ink:#ece7dc;--mute:#9a9486;--line:#35322b;--off:#ef6a5b;--low:#5cc0b6;--link:#8ab8ee}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Hiragino Sans","Noto Sans JP",system-ui,sans-serif}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
header{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:14px 16px;border-bottom:2px solid var(--ink)}
.logo{font-weight:800;font-size:20px;letter-spacing:.04em;color:var(--ink)}
.pr{font-size:11px;color:var(--mute)}
main{max-width:1040px;margin:0 auto;padding:8px 16px 40px}
h1{font-size:22px;line-height:1.35;margin:24px 0 12px}
h2{font-size:17px;margin:36px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}
h1 small{font-size:13px;font-weight:500;color:var(--mute);margin-left:6px}
.lead,.sub,.note,.empty{color:var(--mute);font-size:13px}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr;gap:8px}
@media (min-width:680px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:980px){.cards{grid-template-columns:1fr 1fr 1fr}}
.card a{display:flex;gap:12px;padding:10px;background:var(--card);border:1px solid var(--line);border-radius:6px;color:var(--ink);height:100%}
.card a:hover{text-decoration:none;border-color:var(--ink)}
.thumb,.noimg.thumb{flex:0 0 72px;width:72px;height:96px;object-fit:cover;border-radius:3px;background:var(--line)}
.ci{min-width:0;display:flex;flex-direction:column}
.ct{margin:0;font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cm{margin:2px 0 0;font-size:12px;color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cp{margin:auto 0 0;font-variant-numeric:tabular-nums;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px}
.cp s,.now s{color:var(--mute);font-size:12px}
.cp b{font-size:17px}
.b{font-size:11px;font-weight:700;padding:1px 6px;border-radius:3px;white-space:nowrap}
.b.off{background:var(--off);color:#fff}
.b.low{border:1px solid var(--low);color:var(--low)}
.more{margin:12px 0 0;font-size:14px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.tag{font-size:13px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink)}
.tag small{color:var(--mute);margin-left:5px}
.arch{list-style:none;margin:0;padding:0;font-variant-numeric:tabular-nums}
.arch li{display:flex;justify-content:space-between;padding:8px 2px;border-bottom:1px dashed var(--line)}
.arch span{color:var(--mute);font-size:13px}
.hero{display:grid;gap:16px}
@media (min-width:680px){.hero{grid-template-columns:260px 1fr;align-items:start}}
.cover,.noimg.cover{width:100%;max-width:260px;aspect-ratio:3/4;object-fit:cover;border-radius:6px;background:var(--line);display:block}
.now{margin:0;font-variant-numeric:tabular-nums;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.now b{font-size:32px;line-height:1.1}
.cta{display:block;text-align:center;margin:14px 0 6px;padding:14px;border-radius:6px;background:var(--ink);color:var(--bg);font-weight:700}
.cta:hover{text-decoration:none;opacity:.88}
.spark{width:100%;max-width:520px;height:auto;color:var(--off);background:var(--card);border:1px solid var(--line);border-radius:6px}
.hist{width:100%;max-width:520px;border-collapse:collapse;margin-top:10px;font-variant-numeric:tabular-nums;font-size:14px}
.hist th,.hist td{text-align:right;padding:7px 4px;border-bottom:1px solid var(--line)}
.hist th:first-child,.hist td:first-child{text-align:left}
.hist th{font-size:12px;color:var(--mute);font-weight:500}
.dn{color:var(--off)}.up{color:var(--mute)}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:14px;margin:0}
.meta dt{color:var(--mute)}.meta dd{margin:0}
footer{border-top:1px solid var(--line);padding:20px 16px 40px;font-size:12px;color:var(--mute);max-width:1040px;margin:0 auto}
footer nav{display:flex;flex-wrap:wrap;gap:16px;font-size:13px}
.gate{position:fixed;inset:0;z-index:9;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg)}
html.ok .gate{display:none}
.gb{max-width:360px;text-align:center}
.gt{font-size:20px;font-weight:800;margin:0}
.ga{display:flex;flex-direction:column;gap:12px;margin-top:20px}
.ga button{font:inherit;font-weight:700;padding:14px;border:0;border-radius:6px;background:var(--ink);color:var(--bg);cursor:pointer}
.mockbar{margin:0;padding:6px 16px;font-size:12px;background:var(--ink);color:var(--bg);text-align:center}
.prose{max-width:720px}
.prose p,.prose li{line-height:1.85}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:6px 0}
.hist.wide{max-width:720px}
.hist.wide td:first-child{white-space:normal}
.guides{list-style:none;margin:0;padding:0}
.guides li{padding:12px 0;border-bottom:1px solid var(--line)}
.guides a{font-weight:700}
.guides p{margin:4px 0 0;font-size:13px;color:var(--mute)}
.note{padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:var(--card)}
.hist.wide{font-size:13px}
.hist.wide td:not(:first-child),.hist.wide th:not(:first-child){white-space:nowrap;padding-left:10px}