:root {
  --bg: #fbf9f6;
  --ink: #4d4861;
  --dim: #7f7894;
  --p1: #a5b4fc;
  --p2: #99d5f2;
  --p3: #f9b8d8;
  --p4: #a8e6cf;
  --line: rgba(77,72,97,.12);
  --card: rgba(255,255,255,.72);
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Space Grotesk', -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 10% 0%, rgba(165,180,252,.27), transparent 34rem),
    radial-gradient(circle at 100% 25%, rgba(249,184,216,.22), transparent 30rem),
    radial-gradient(circle at 35% 100%, rgba(168,230,207,.18), transparent 28rem);
}
a { color: #687fd8; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 40px, 920px);
  margin: 0 auto;
  padding: 22px 0;
}
.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .14em;
  text-decoration: none;
  background: linear-gradient(120deg, #7c96f5, #b58af0 55%, #f290c6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-nav { display: flex; align-items: center; gap: 18px; }
.site-nav a { color: var(--dim); font-size: 13px; font-weight: 600; text-decoration: none; }
.site-nav a[aria-current="page"] { color: #687fd8; }
.try {
  border: 1px solid rgba(124,150,245,.38);
  border-radius: 999px;
  padding: 7px 15px;
  background: rgba(255,255,255,.55);
}
main { width: min(100% - 40px, 760px); margin: 64px auto 100px; }
.eyebrow { color: #7c96f5; font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 12px 0 20px; font-size: clamp(36px, 7vw, 62px); line-height: 1.12; letter-spacing: -.035em; }
.lead { max-width: 650px; color: var(--dim); font-size: clamp(17px, 3vw, 21px); }
.notice {
  margin: 36px 0;
  padding: 18px 22px;
  border: 1px solid rgba(124,150,245,.28);
  border-radius: 18px;
  background: rgba(255,255,255,.58);
}
section { margin-top: 64px; }
h2 { margin: 0 0 18px; font-size: 25px; line-height: 1.3; }
h3 { margin: 28px 0 7px; font-size: 17px; }
p { margin: 0 0 16px; }
ul, ol { margin: 12px 0 0; padding-left: 22px; }
li { margin: 8px 0; }
.steps { display: grid; gap: 14px; padding: 0; list-style: none; counter-reset: step; }
.steps li {
  position: relative;
  margin: 0;
  padding: 20px 22px 20px 66px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--card);
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 20px;
  left: 21px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: white;
  font-size: 13px;
  font-weight: 700;
  background: linear-gradient(120deg, #8bbfe9, #9b9fec, #e7a0c7);
}
.diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  margin-top: 24px;
  text-align: center;
}
.diagram div { padding: 22px 12px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.diagram span { color: var(--dim); font-size: 13px; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.fact { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--card); }
.fact strong { display: block; margin-bottom: 5px; }
.fact p { margin: 0; color: var(--dim); font-size: 14px; }
footer {
  width: min(100% - 40px, 760px);
  margin: 0 auto;
  padding: 30px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
}
@media (max-width: 620px) {
  .site-header { width: min(100% - 32px, 920px); }
  .site-nav a:not(.try) { display: none; }
  main { width: min(100% - 32px, 760px); margin-top: 38px; }
  section { margin-top: 50px; }
  .facts { grid-template-columns: 1fr; }
  .diagram { grid-template-columns: 1fr; }
  .diagram > span { transform: rotate(90deg); }
}