:root {
  --ink: #0e1726;
  --muted: #667085;
  --paper: #fbfaf7;
  --line: #e4e8ec;
  --blue: #b9ddf5;
  --mint: #cce8d2;
  --peach: #ffd3bf;
  --yellow: #f3dfa0;
  --max: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font-family: "Paperlogy", "Noto Sans KR", system-ui, sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: baseline; gap: 9px; letter-spacing: -.06em; font-weight: 850; }
.wordmark span { font-size: 18px; }
.wordmark b { padding: 3px 7px 2px; border-radius: 5px; background: var(--ink); color: white; font-size: 11px; letter-spacing: .08em; }
.header-note { color: var(--muted); font-size: 13px; }
.hero { padding: 116px 0 132px; }
.eyebrow { margin-bottom: 19px; color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 9px 1px 0; border-radius: 50%; background: var(--ink); }
h1, h2, h3 { line-height: 1.1; letter-spacing: -.055em; }
h1 { max-width: 750px; font-size: clamp(58px, 10vw, 116px); font-weight: 850; }
h1 em { color: #668aa8; font-style: normal; }
.intro { margin-top: 28px; font-size: clamp(22px, 3vw, 31px); letter-spacing: -.04em; }
.body-copy { max-width: 570px; margin-top: 17px; color: var(--muted); font-size: 17px; }
.topics { padding: 105px 0 118px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #f3f7f6; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 46px; }
.section-heading .eyebrow { margin-bottom: 0; }
h2 { font-size: clamp(38px, 6vw, 66px); }
.topic-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.topic-card { min-height: 260px; padding: 25px 23px 26px; display: flex; flex-direction: column; border-radius: 12px; }
.topic-card--record { background: var(--blue); }
.topic-card--make { background: var(--peach); }
.topic-card--care { background: var(--mint); }
.topic-card--connect { background: var(--yellow); }
.topic-number { color: rgba(14, 23, 38, .55); font: 700 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace; }
.topic-card h3 { margin-top: auto; font-size: 27px; }
.topic-card p { margin-top: 12px; color: rgba(14, 23, 38, .72); font-size: 14px; line-height: 1.55; }
.knowledge { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-top: 120px; padding-bottom: 125px; }
.knowledge-copy { align-self: end; max-width: 450px; color: var(--muted); font-size: 17px; }
.article-links { display: grid; gap: 11px; margin-top: 24px; }
.article-links a { display: flex; justify-content: space-between; gap: 18px; padding-bottom: 10px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 14px; line-height: 1.4; }
.article-links a span { flex: 0 0 auto; }
.text-link { display: inline-flex; gap: 9px; align-items: center; margin-top: 26px; color: var(--ink); font-size: 14px; font-weight: 750; border-bottom: 1px solid var(--ink); }
footer { border-top: 1px solid var(--line); }
.footer-inner { min-height: 135px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.footer-inner .wordmark { color: var(--ink); }
.footer-inner .wordmark + p { margin-top: 9px; }
@media (max-width: 800px) {
  .hero { padding: 82px 0 95px; }
  .section-heading, .knowledge { display: block; }
  .section-heading h2 { margin-top: 20px; }
  .knowledge-copy { margin-top: 28px; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .wrap { width: min(calc(100% - 34px), var(--max)); }
  .header-note { display: none; }
  .hero { padding: 66px 0 78px; }
  .topic-grid { grid-template-columns: 1fr; }
  .topic-card { min-height: 205px; }
  .footer-inner { display: block; padding: 30px 0; }
  .footer-inner > p { margin-top: 22px; }
}