:root {
  color-scheme: light dark;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

h1 {
  font-size: 24px;
  line-height: 1.4;
  margin: 24px 0 12px;
}

h2 {
  font-size: 18px;
  margin: 40px 0 8px;
}

h3 {
  font-size: 16px;
  margin: 24px 0 4px;
}

p, ul {
  margin: 8px 0;
}

li {
  margin: 12px 0;
}

.en, .muted {
  opacity: 0.65;
}

hr {
  border: none;
  border-top: 1px solid;
  opacity: 0.2;
  margin: 40px 0;
}

footer {
  margin-top: 56px;
  font-size: 13px;
  opacity: 0.65;
}