/* トップページ用：カードレイアウト整形 */
.tile-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.tile-item {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.tile-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.tile-item h3 {
  margin-top: 0;
  font-size: 1.2rem;
  color: #333;
}

.tile-item .meta {
  margin-top: 8px;
  font-size: 0.9rem;
  color: #777;
}