* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  min-height: 100dvh;
  background:
    radial-gradient(700px 500px at 50% -100px, rgba(16, 185, 129, 0.15), transparent 70%),
    #0b0b0f;
  color: #f4f4f6;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont,
    "Apple SD Gothic Neo", system-ui, sans-serif;
  display: flex;
  justify-content: center;
  line-height: 1.65;
}
main { max-width: 680px; padding: 96px 24px 80px; text-align: center; }
article { max-width: 680px; padding: 72px 24px 80px; text-align: left; }
.badge {
  display: inline-block;
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10b981;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
}
h1 { font-size: 56px; font-weight: 800; margin-top: 20px; letter-spacing: -1px; }
.accent { color: #10b981; }
.tagline { margin-top: 18px; font-size: 20px; font-weight: 600; }
.tagline-ko { margin-top: 10px; font-size: 16px; color: #9a9aa5; }
.bars { display: flex; gap: 10px; justify-content: center; margin: 44px 0; }
.bars i { width: 10px; border-radius: 5px; background: #10b981; }
.bars i:nth-child(1) { height: 26px; opacity: 0.45; align-self: center; }
.bars i:nth-child(2) { height: 44px; align-self: center; }
.bars i:nth-child(3) { height: 64px; align-self: center; }
.bars i:nth-child(4) { height: 44px; align-self: center; }
.bars i:nth-child(5) { height: 26px; opacity: 0.45; align-self: center; }
nav { display: flex; gap: 18px; justify-content: center; flex-wrap: wrap; }
nav a, article a { color: #10b981; text-decoration: none; font-weight: 600; }
nav a:hover, article a:hover { text-decoration: underline; }
article h1 { font-size: 32px; margin-bottom: 6px; letter-spacing: -0.5px; }
article .meta { color: #9a9aa5; font-size: 14px; margin-bottom: 32px; }
article h2 { font-size: 20px; margin: 32px 0 10px; }
article p, article li { color: #c9c9d1; font-size: 16px; }
article ul { padding-left: 22px; }
article .back { display: inline-block; margin-bottom: 28px; font-size: 14px; }