:root { --bg: #FBF7F0; --fg: #1B2450; --soft: #4A5272; --card: #FFFFFF; --line: #E4DED2; --accent: #FF6B5A; --mark-bg: #1B2450; --mark-fg: #FFC93C; }
@media (prefers-color-scheme: dark) { :root { --bg: #141C42; --fg: #FBF7F0; --soft: #C9CEE3; --card: #1E2852; --line: #2B3A78; --accent: #FFC93C; --mark-bg: #FFC93C; --mark-fg: #1B2450; color-scheme: dark; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.wrap { max-width: 44rem; margin: 0 auto; padding: 2rem max(16px, env(safe-area-inset-right, 0px)) 4rem max(16px, env(safe-area-inset-left, 0px)); }
header { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; margin-bottom: 2.5rem; }
.mark { display: inline-block; background: var(--mark-bg); color: var(--mark-fg); font-weight: 800; font-size: 1.35rem; letter-spacing: 0.01em; padding: 0.3rem 0.9rem; border-radius: 0.7rem; text-decoration: none; transform: rotate(-2deg); }
nav { display: flex; gap: 1.25rem; }
nav a, main a { color: var(--fg); text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
h1 { font-size: 2.1rem; line-height: 1.15; margin: 0 0 0.5rem; text-wrap: balance; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 0.4rem; text-wrap: balance; }
p, ul { margin: 0.6rem 0; }
ul { padding-left: 1.2rem; }
li { margin: 0.3rem 0; }
.lede { font-size: 1.15rem; color: var(--soft); }
.note { color: var(--soft); font-size: 0.95rem; }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 34rem; margin: 0.8rem 0; background: var(--card); border: 1px solid var(--line); border-radius: 0.6rem; }
th, td { text-align: left; vertical-align: top; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
tr:last-child td { border-bottom: 0; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--soft); font-size: 0.9rem; }