:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  background: #f7f7f8;
  color: #161617;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 48px;
}

header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 52px;
}

.app-icon {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border-radius: 14px;
  background: #0785f2;
  color: #fff;
  font-size: 30px;
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 4px;
  color: #66666a;
  font-size: 12px;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin-top: 0;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 34px;
}

h2 {
  font-size: 21px;
}

h3 {
  margin: 28px 0 8px;
  font-size: 16px;
}

p {
  color: #48484c;
  line-height: 1.72;
}

section {
  padding: 28px 0;
  border-top: 1px solid #d9d9dd;
}

a {
  color: #0071e3;
}

.button {
  display: inline-block;
  margin-top: 10px;
  padding: 11px 16px;
  border-radius: 7px;
  background: #0071e3;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid #d9d9dd;
  color: #737377;
  font-size: 13px;
}

@media (max-width: 520px) {
  main {
    padding-top: 40px;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    background: #111113;
    color: #f5f5f7;
  }

  p {
    color: #b7b7bc;
  }

  .eyebrow,
  footer {
    color: #929298;
  }

  section,
  footer {
    border-color: #343438;
  }
}