:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #5f6368; --bg: #fff; --card: #f5f5f7; --link: #0b57d0; --dev: #b3261e; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e8eaed; --muted: #9aa0a6; --bg: #121212; --card: #1f1f1f; --link: #8ab4f8; --dev: #f2b8b5; }
}
body { margin: 0; padding: 32px 16px; background: var(--bg); color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif; line-height: 1.6; }
main { max-width: 720px; margin: 0 auto; }
header { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline; justify-content: space-between; }
h1 { font-size: 1.5rem; margin: 0; }
.who { color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.who a { color: var(--link); margin-left: 8px; }
h2 { font-size: 1.1rem; margin: 32px 0 8px; }
h2.dev { color: var(--dev); }
.note { color: var(--muted); margin: 0; }
ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
li { background: var(--card); border-radius: 8px; padding: 16px; }
li a { color: var(--link); font-weight: 600; font-size: 1.05rem; }
li p { margin: 4px 0 0; }
.url { color: var(--muted); font-size: 0.85rem; overflow-wrap: anywhere; }
button { font: inherit; padding: 6px 16px; border-radius: 6px; border: 1px solid var(--link); background: transparent; color: var(--link); cursor: pointer; }