:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  line-height: 1.75;
  color: #26313a;
  background: #f5f2e8;
}

body {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 20px 48px;
}

header {
  margin-bottom: 28px;
  padding: 22px 24px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 24px rgb(38 49 58 / 8%);
}

h1 {
  margin: 0;
  font-size: 1.65rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.2rem;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

h3 + p {
  margin-top: 0;
}

a {
  color: #176d80;
}

.updated,
.note {
  color: #63717a;
  font-size: 0.9rem;
}

footer {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid #d6d2c8;
  font-size: 0.92rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color: #eef2f4;
    background: #171b1e;
  }

  header {
    background: #252c30;
    box-shadow: none;
  }

  a {
    color: #8bd8e8;
  }

  .updated,
  .note {
    color: #b0bec5;
  }

  footer {
    border-color: #465158;
  }
}