* { box-sizing: border-box; }

body {
  margin: 0;
  background: #f4f3ef;
  color: #1a1a1a;
  font-family: Arial, sans-serif;
}

header {
  background: #1a1a1a;
  color: #fff;
  padding: 40px 24px;
  text-align: center;
}

header h1 {
  margin: 0 0 8px;
  font-size: 2.4rem;
}

header p {
  margin: 0;
  color: #ccc;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

section {
  margin-top: 48px;
}

section h2 {
  font-size: 1.4rem;
  border-bottom: 2px solid #1a1a1a;
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 18px 20px;
}

.sample {
  font-size: 1.6rem;
  line-height: 1.3;
  word-break: break-word;
}

.label {
  margin-top: 10px;
  font-size: 0.78rem;
  color: #888;
  font-family: Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

footer {
  text-align: center;
  padding: 24px;
  color: #888;
  font-size: 0.85rem;
}