:root { --bg: #f5f4ef; --card: #fff; --ink: #1f2b25; --sub: #66716a; --line: #e2e0d7; --accent: #2f6f53; color-scheme: light; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --bg: #141816; --card: #1d2320; --ink: #e7ece9; --sub: #9ca7a1; --line: #2c3430; --accent: #5fae88; color-scheme: dark; } }
:root[data-theme="dark"] { --bg: #141816; --card: #1d2320; --ink: #e7ece9; --sub: #9ca7a1; --line: #2c3430; --accent: #5fae88; color-scheme: dark; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.85 -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 24px; line-height: 1.4; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 32px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }
.meta { color: var(--sub); font-size: 14px; }
ol, ul { padding-left: 1.4em; }
li { margin: 4px 0; }
a { color: var(--accent); }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; margin-bottom: 24px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
.box { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.app-head { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.app-head img { border-radius: 10px; }