:root {
  color-scheme: light;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #17233b;
  --muted: #64748b;
  --accent: #536dfe;
  --border: #e2e8f0;
  --ring: #536dfe;
  --space-6: 1.5rem;
  --space-8: 2rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  font-family: "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}

body {
  margin: 0;
  color: var(--text);
}

.page {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  padding: var(--space-6);
  place-items: center;
  background: radial-gradient(ellipse at 50% 42%, var(--surface) 0%, var(--bg) 72%);
}

.headline {
  position: relative;
  margin: 0;
  padding-bottom: var(--space-8);
  font-size: clamp(2.625rem, 11vw, 7.5rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.3;
  text-align: center;
  white-space: nowrap;
}

.headline::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  width: 3rem;
  height: 0.25rem;
  margin-inline: auto;
  border-radius: 999px;
  background: var(--accent);
  content: "";
}

::selection {
  color: var(--surface);
  background: var(--accent);
}