:root { color-scheme: light dark; --accent: #0b6e4f; --line: #d9e0dc; }
@media (prefers-color-scheme: dark) { :root { --accent: #55d5a1; --line: #2c3a34; } }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif; line-height: 1.75; }
main { max-width: 720px; margin: 0 auto; padding: 24px 20px 64px; }
.app { color: var(--accent); font-weight: 700; margin: 0; }
h1 { font-size: 1.6rem; margin: 4px 0 8px; }
h2 { font-size: 1.15rem; margin-top: 2em; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
h3 { font-size: 1rem; margin-top: 1.5em; }
.date { opacity: 0.7; font-size: 0.9rem; }
a { color: var(--accent); }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { border: 1px solid var(--line); padding: 8px; vertical-align: top; text-align: left; }
.links { margin-top: 3em; font-size: 0.92rem; }