* {
  box-sizing: border-box;
}

body,
h1,
p,
div {
  margin: 0;
}

body {
  font-family: Arial, sans-serif;
  background: #f6f2eb;
  color: #2f2a25;
  padding: 32px;
}

.page {
  max-width: 760px;
  margin: 0 auto;
}

.top-nav {
  max-width: 760px;
  margin: 0 auto 24px;
  padding: 16px 20px;
  background: white;
  border: 1px solid #ddd0bf;
  border-radius: 16px;
}

.top-nav a {
  color: #7c3f00;
  text-decoration: none;
  font-weight: bold;
  margin-right: 16px;
}

.top-nav a:hover {
  text-decoration: underline;
}

.page-intro {
  color: #6f6254;
  margin-top: 8px;
  margin-bottom: 24px;
}

.example-card {
  background: white;
  border: 1px solid #ddd0bf;
  border-radius: 16px;
  padding: 20px 24px;
  margin-bottom: 20px;
}

.example-label {
  font-size: 14px;
  font-weight: bold;
  color: #8a7363;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.code-block {
  margin-top: 16px;
  padding: 16px;
  background: #2a2622;
  color: #f8f4ee;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}

.demo-box {
  background: #f3e7d8;
  color: #4a3624;
}

.bg-demo {
  background-color: #e8d5c0;
  padding: 16px;
}

.border-demo {
  padding: 16px;
  border: 2px solid #c49a6c;
}

.radius-demo {
  padding: 16px;
  border: 2px solid #c49a6c;
  border-radius: 20px;
}

.padding-demo {
  padding: 32px;
  border: 1px solid #d8cab8;
}

.margin-stage {
  background: #fbf6ef;
  padding: 16px;
}

.margin-demo {
  padding: 16px;
  border: 1px solid #d8cab8;
  margin-bottom: 24px;
}

.next-box {
  padding: 16px;
  border: 1px solid #d8cab8;
}

.width-demo {
  width: 240px;
  padding: 16px;
  border: 1px solid #d8cab8;
}

.max-width-stage {
  padding: 16px;
  background: #fbf6ef;
}

.max-width-demo {
  max-width: 320px;
  padding: 16px;
  border: 1px solid #d8cab8;
}

.combo-demo {
  width: 100%;
  max-width: 420px;
  background-color: #fff7ec;
  border: 1px solid #d6b58a;
  border-radius: 18px;
  padding: 24px;
}