:root {
  --bg: #f6f4ef;
  --ink: #151613;
  --muted: #6d6f68;
  --line: #dcd9d0;
  --accent: #d9480f;
  --panel: #ece8de;
  --shadow: rgba(21, 22, 19, 0.10);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121311;
    --ink: #f1efe9;
    --muted: #8f918a;
    --line: #2a2c28;
    --accent: #ff7a3d;
    --panel: #1d1f1b;
    --shadow: rgba(0, 0, 0, 0.4);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Noto Sans KR", "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--bg); padding: 8px 12px; z-index: 1; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.top { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; padding-bottom: 20px; }
.home { text-decoration: none; font-weight: 700; font-size: 22px; letter-spacing: -0.04em; }
.home sup, .mark sup { color: var(--accent); font-weight: 600; letter-spacing: 0; }
.home sup { font-size: 0.55em; margin-left: 0.04em; }
.top nav a { font-size: 15px; font-weight: 600; }
.mark {
  margin: 0;
  font-size: clamp(64px, 15vw, 140px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.95;
}
.mark sup { font-size: 0.34em; vertical-align: top; position: relative; top: 0.08em; margin-left: 0.06em; }
.hero { padding-top: clamp(32px, 8vw, 96px); padding-bottom: clamp(40px, 8vw, 88px); }
.hero h1 {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.3;
  letter-spacing: -0.03em;
  font-weight: 700;
}
.lede { margin: 16px 0 0; color: var(--muted); font-size: clamp(17px, 2vw, 20px); max-width: 36em; }
.cta { margin-top: 32px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.cta small { color: var(--muted); font-size: 15px; }
.button {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  text-decoration: none;
}
.button:hover { filter: brightness(1.06); }
@media (prefers-color-scheme: dark) { .button { color: #121311; } }
.feature {
  display: grid;
  grid-template-columns: 1fr minmax(220px, 300px);
  gap: clamp(28px, 6vw, 72px);
  align-items: center;
  padding: clamp(40px, 7vw, 72px) 0;
  border-top: 1px solid var(--line);
}
.feature.flip { grid-template-columns: minmax(220px, 300px) 1fr; }
.feature.flip figure { order: -1; }
.feature h2, .block h2 { margin: 0 0 12px; font-size: clamp(24px, 3.4vw, 32px); line-height: 1.35; letter-spacing: -0.03em; }
.feature p, .block p { margin: 0 0 12px; }
.feature ul, .block ul { margin: 0; padding-left: 1.2em; }
.feature li, .block li { margin-bottom: 6px; }
.muted { color: var(--muted); }
figure { margin: 0; }
figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  box-shadow: 0 0 0 1px var(--line), 0 18px 48px var(--shadow);
  background: #fff;
}
figcaption { margin-top: 12px; font-size: 14px; color: var(--muted); text-align: center; }
.block { padding: clamp(40px, 7vw, 72px) 0; border-top: 1px solid var(--line); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 20px; }
.card { background: var(--panel); border-radius: 16px; padding: 20px 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.02em; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }
dl { margin: 20px 0 0; }
dt { font-weight: 700; margin-top: 24px; font-size: 18px; letter-spacing: -0.02em; }
dd { margin: 6px 0 0; color: var(--muted); }
ol.steps { margin: 20px 0 0; padding: 0; list-style: none; counter-reset: step; }
ol.steps li { counter-increment: step; position: relative; padding: 0 0 20px 48px; }
ol.steps li::before {
  content: counter(step);
  position: absolute; left: 0; top: 0;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--panel); font-weight: 700; font-size: 15px;
  display: grid; place-items: center;
}
ol.steps strong { display: block; }
.end { padding: clamp(48px, 8vw, 88px) 0; border-top: 1px solid var(--line); }
.end h2 { margin: 0 0 8px; font-size: clamp(24px, 3.4vw, 32px); letter-spacing: -0.03em; }
footer { border-top: 1px solid var(--line); padding-top: 28px; padding-bottom: 40px; font-size: 14px; color: var(--muted); }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-bottom: 12px; }
footer nav a { color: var(--ink); }
footer p { margin: 0; }
@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .feature, .feature.flip { grid-template-columns: 1fr; }
  .feature figure, .feature.flip figure { order: 0; max-width: 300px; width: 82%; margin: 0 auto; }
  .grid2 { grid-template-columns: 1fr; }
}
.hero h1.page-title { margin: 0; padding-top: 0; border-top: 0; font-size: clamp(32px, 5.4vw, 52px); line-height: 1.25; }
.note { margin-top: 20px; }