*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Noto Sans KR", "Apple SD Gothic Neo", "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fafafa;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

a {
  color: inherit;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

p {
  margin: 0 0 1rem;
}

.cta,
.home-cta {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.85rem 1.75rem;
  background: #111111;
  color: #ffffff;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.08s ease;
}

.cta:hover,
.home-cta:hover {
  background: #2a2a2a;
}

.cta:active {
  transform: scale(0.98);
}