* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #222;
  background: #f7f6f2;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  font-size: 16px;
  line-height: 1.5;
}

main {
  width: min(100%, 540px);
  padding: 32px;
  text-align: center;
}

.test-mark {
  display: block;
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
}

h1 {
  margin: 0;
  font-size: clamp(36px, 7vw, 66px);
  letter-spacing: 0.12em;
}

p {
  margin: 20px 0 0;
}

.note {
  color: #666;
  font-size: 14px;
}

@media (max-width: 480px) {
  main {
    padding: 24px 12px;
  }

  .note {
    font-size: 15px;
  }
}