:root { --bg: #FBF4EC; --panel: #FFFFFF; --ink: #2A2220; --muted: #6E625D; --line: #E2DCD8; --accent: #B8611F; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #171312; --panel: #211B19; --ink: #F1EAE7; --muted: #A99C96; --line: #3A302C; --accent: #E0894A; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Noto Sans JP", system-ui, sans-serif; font-size: 15px; line-height: 1.85; }
main { max-width: 760px; margin: 0 auto; padding: 28px 16px 64px; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 28px 0 6px; padding-top: 12px; border-top: 1px solid var(--line); }
p, li { margin: 0 0 8px; }
ol, ul { padding-left: 1.4em; }
.date { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.fill { background: #FFF1A8; color: #3A2420; padding: 0 4px; border-radius: 4px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; vertical-align: top; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { width: 34%; color: var(--muted); font-weight: 700; font-size: 14px; }
a { color: var(--accent); }
.back { display: inline-block; margin-bottom: 18px; font-size: 14px; }