:root{--bg:#0f1420;--card:#171e2e;--text:#e9edf5;--dim:#a8b1c4;--accent:#ff7a1a;--gold:#ffc63a;--line:#26304a}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){--bg:#f6f7fb;--card:#ffffff;--text:#1b2233;--dim:#566078;--accent:#e8620a;--gold:#b98300;--line:#dde2ee}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Noto Sans JP",sans-serif;line-height:1.85;font-size:16px}
header{padding:28px 16px 8px;max-width:820px;margin:0 auto}header a{color:var(--accent);text-decoration:none;font-weight:800;letter-spacing:.08em}
main{max-width:820px;margin:0 auto;padding:0 16px 64px}h1{font-size:1.7rem;margin:.4em 0 .2em}h2{font-size:1.15rem;margin:2em 0 .6em;padding-left:.6em;border-left:4px solid var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:14px 0}.dim{color:var(--dim);font-size:.92rem}
table{width:100%;border-collapse:collapse;font-size:.95rem}th,td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;vertical-align:top}th{white-space:nowrap;color:var(--dim);font-weight:600}
a{color:var(--accent)}ol,ul{padding-left:1.4em}li{margin:.3em 0}footer{max-width:820px;margin:0 auto;padding:24px 16px 48px;color:var(--dim);font-size:.85rem}
.links a{display:inline-block;margin:6px 12px 6px 0;padding:12px 18px;border-radius:12px;background:var(--card);border:1px solid var(--line);text-decoration:none;font-weight:700}
.guide-link{display:block;position:relative;margin:18px 0 10px;padding:18px 20px;border-radius:16px;text-decoration:none;color:#fff;background:linear-gradient(120deg,#ff7a1a,#ff4d2e 55%,#0f1420 140%);box-shadow:0 10px 28px rgba(255,90,30,.35);overflow:hidden}
.guide-link b{display:block;font-size:1.45rem;font-weight:900;letter-spacing:.02em;line-height:1.3}
.guide-link .gl-tag{display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.16em;padding:2px 8px;border-radius:6px;background:rgba(11,19,48,.55)}
.guide-link .gl-sub{display:block;font-size:.9rem;opacity:.95;margin-top:2px}
.guide-link .gl-go{position:absolute;right:16px;bottom:14px;font-weight:900;font-size:.95rem}
@media(max-width:480px){.guide-link .gl-go{position:static;display:inline-block;margin-top:6px}}