* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Inter, system-ui, sans-serif;
  color: #1a1a1a;
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1d4ed8;
  margin-bottom: 0.5rem;
}

.updated {
  font-size: 0.85rem;
  color: #6b7280;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

p,
li {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

ul {
  padding-left: 1.25rem;
}

a {
  color: #1d4ed8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.back {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}