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

body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
}

.container {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 20px;
}

.area-buttons {
  text-align: center;
  margin-bottom: 50px;
}

.area-buttons a {
  display: inline-block;
  padding: 12px 24px;
  margin: 8px;
  border-radius: 30px;
  background: white;
  border: 1px solid #ccc;
  text-decoration: none;
  color: #333;
}

.area-buttons a:hover {
  background: black;
  color: white;
}

/* PCでは4列 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.price {
  margin-bottom: 15px;
  color: #777;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background: black;
  color: white;
  text-decoration: none;
  border-radius: 6px;
}

/* Tablet */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .card img {
    height: 160px;
  }
}