:root { --paper: #f7f3ec; --ink: #1f1b16; --sub: rgba(31,27,22,.62); --line: rgba(31,27,22,.18); --night: #1b2236; --dawn: #e9a25f; }
@media (prefers-color-scheme: dark) { :root { --paper: #1b2236; --ink: #f4efe6; --sub: rgba(244,239,230,.68); --line: rgba(244,239,230,.2); } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.8 -apple-system, "Hiragino Sans", sans-serif; }
main { max-width: 640px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 24px; line-height: 1.4; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 32px 0 6px; }
p, li { color: var(--ink); }
.sub { color: var(--sub); font-size: 14px; }
.button { display: inline-block; margin-top: 20px; padding: 13px 24px; border-radius: 999px; background: var(--ink); color: var(--paper); text-decoration: none; font-weight: 700; }
a { color: inherit; }
footer { margin-top: 48px; font-size: 13px; color: var(--sub); }