:root { --bg:#0A0B0D; --surface:#16181C; --surface2:#22252B; --ink:#F4F6F0; --muted:#9AA0A6; --accent:#D4FF3A; --accent-ink:#D4FF3A; }
@media (prefers-color-scheme: light) { :root { --bg:#F4F5F2; --surface:#FFFFFF; --surface2:#E9EBE6; --ink:#111316; --muted:#5D636A; --accent-ink:#3F6400; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif; line-height:1.8; -webkit-text-size-adjust:100%; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header.site { display:flex; align-items:center; gap:12px; margin-bottom: 24px; }
header.site img { width:44px; height:44px; border-radius:11px; }
header.site a { color:var(--ink); text-decoration:none; font-weight:800; font-size:1.1rem; }
h1 { font-size: clamp(1.7rem, 5vw, 2.4rem); line-height:1.3; margin: 8px 0 12px; }
h2 { font-size: 1.25rem; margin: 36px 0 8px; }
h3 { font-size: 1.05rem; margin: 20px 0 4px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); }
a { color: var(--accent-ink); }
.card { background: var(--surface); border-radius: 20px; padding: 18px 20px; margin: 14px 0; }
.grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.grid .card { margin: 0; }
.card h3 { margin-top: 0; }
.cta { display:inline-block; background: var(--accent); color:#0A0B0D; font-weight:800; padding: 14px 22px; border-radius: 16px; text-decoration:none; }
.hero { display:flex; flex-wrap:wrap; gap: 20px; align-items:center; }
.hero img { width: 112px; height:112px; border-radius: 26px; }
table { width:100%; border-collapse: collapse; }
th, td { text-align:left; padding: 8px 6px; border-bottom: 1px solid var(--surface2); vertical-align: top; }
footer { margin-top: 48px; color: var(--muted); font-size: .9rem; }
footer a { color: var(--muted); margin-right: 14px; }