:root { --ink: #1b1838; --muted: #5d5a7e; --line: #e6e3f5; --accent: #6d4dff; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.wrap { width: min(760px, 100% - 32px); margin-inline: auto; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; text-decoration: none; color: var(--ink); letter-spacing: -0.02em; }
.logo img { width: 28px; height: 28px; }
header nav a { color: var(--muted); text-decoration: none; font-size: 14px; margin-left: 18px; }
main { padding: 40px 0 72px; }
h1 { font-size: clamp(28px, 5vw, 38px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 6px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 32px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: #2c2950; }
ul { padding-left: 22px; }
a { color: var(--accent); }
.box { background: #f5f3ff; border-radius: 12px; padding: 16px 18px; margin: 20px 0; }
footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 14px; }