body {
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #fafaf7;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

h1 { font-size: 1.5rem; margin: 0.5rem 0 1rem; color: #2e5339; }

h2 { font-size: 1.05rem; margin: 1.2rem 0 0.3rem; }

a { color: #2e5339; }