:root { --bg: #faf9f6; --ink: #1d2422; --muted: #5f6a66; --line: #e6e3dc; --brand: #356b61; --mint: #e6f0ec; }
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; color: var(--ink); font: 400 17px/1.7 -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
header { border-bottom: 1px solid var(--line); background: rgba(250, 249, 246, .9); }
.bar { display: flex; align-items: center; justify-content: space-between; width: min(760px, 100% - 40px); height: 64px; margin: 0 auto; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; letter-spacing: -.02em; color: var(--ink); text-decoration: none; }
.brand img { border-radius: 8px; }
.back { font-size: 15px; color: var(--muted); text-decoration: none; } .back:hover { color: var(--brand); }
main { width: min(760px, 100% - 40px); margin: 0 auto; padding: 56px 0 72px; }
h1 { margin: 0 0 8px; font-size: clamp(34px, 5vw, 46px); line-height: 1.1; letter-spacing: -.03em; }
.meta { margin: 0 0 40px; color: var(--muted); font-size: 15px; }
h2 { margin: 40px 0 8px; font-size: 22px; letter-spacing: -.02em; line-height: 1.25; }
p, ul { margin: 0 0 16px; } ul { padding-left: 22px; } li { margin-bottom: 6px; }
a { color: var(--brand); }
.note { padding: 18px 20px; border-radius: 16px; background: var(--mint); margin-bottom: 32px; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 14px; color: var(--muted); }
footer .bar { height: auto; flex-wrap: wrap; gap: 8px 24px; } footer a { color: var(--muted); } footer a:hover { color: var(--brand); }