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

body {
  background-color: #f5f5f5;
  color: #1a1a1a;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.container {
  max-width: 720px;
  margin: 60px auto;
  background: #ffffff;
  padding: 48px 56px;
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.updated {
  font-size: 14px;
  color: #888;
  margin-bottom: 40px;
}

h2 {
  font-size: 17px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 8px;
  color: #111;
}

p {
  color: #444;
}

ul {
  margin-top: 8px;
  padding-left: 20px;
  color: #444;
}

ul li {
  margin-bottom: 6px;
}

a {
  color: #1a1a1a;
}

@media (max-width: 768px) {
  .container {
    margin: 24px 16px;
    padding: 32px 24px;
  }

  h1 {
    font-size: 22px;
  }
}