:root {
  --bg: #F4EEE3; --ink: #1E1E24; --soft: #6B6B73; --line: rgba(30,30,36,.10); --card: #FFFFFF;
  --violet: #8E8AFF; --pink: #FF7A9A; --mint: #4FD1B5; --brand: #6B66FF;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1C1B22; --ink: #F1EEF6; --soft: #A3A1AD; --line: rgba(255,255,255,.10); --card: #25242C;
    --violet: #6F6C9E; --pink: #B9B6E6; --mint: #6F6C9E; --brand: #8E8AFF; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.75 -apple-system, "Apple SD Gothic Neo", "Pretendard", system-ui, sans-serif;
  word-break: keep-all; overflow-wrap: break-word;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.mark { display: flex; gap: 5px; }
.mark i { width: 16px; height: 16px; border-radius: 4px; display: block; }
.mark i:nth-child(1) { background: var(--violet); }
.mark i:nth-child(2) { background: var(--pink); border-radius: 50%; }
.mark i:nth-child(3) { background: var(--mint); }
header a { color: inherit; text-decoration: none; font-weight: 800; font-size: 19px; letter-spacing: -.3px; }
nav { margin-left: auto; display: flex; gap: 14px; font-size: 14px; }
nav a { color: var(--soft); text-decoration: none; font-weight: 500; }
nav a[aria-current] { color: var(--ink); }
h1 { font-size: 30px; line-height: 1.3; letter-spacing: -.6px; margin: 0 0 10px; text-wrap: balance; }
.lead { color: var(--soft); margin: 0 0 32px; text-wrap: pretty; }
h2 { font-size: 19px; margin: 36px 0 8px; letter-spacing: -.3px; text-wrap: balance; }
p, li { text-wrap: pretty; }
p { margin: 0 0 12px; }
ul { padding-left: 20px; margin: 0 0 12px; }
li { margin: 4px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0; }
.card.key { border-color: color-mix(in srgb, var(--brand) 40%, transparent); }
.nb { white-space: nowrap; }
a { color: var(--brand); }
dl { margin: 0; }
dt { font-weight: 700; margin-top: 18px; }
dd { margin: 4px 0 0; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--soft); font-size: 13px; }
@media (max-width: 480px) { h1 { font-size: 25px; } main { padding: 24px 16px 64px; } nav { gap: 10px; } }