/* 共通設定 */
body {
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: #f4f4f4;
  color: #333;
}

header {
  text-align: center;
  padding: 1rem;
  background-color: #007acc;
  color: white;
}

h1 {
  margin: 0;
  font-size: 1.5rem;
}

#card-carousel {
  width: 100%;
  overflow: hidden;
  padding: 2rem 1rem;
  box-sizing: border-box;
}

.carousel-track {
  display: flex;
  gap: 1.5rem;
  padding: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.card {
  flex: 0 0 280px;
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  padding: 1rem;
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: scale(1.03);
}

/* 画像と動画 */
.card img,
.card iframe {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.8rem;
  box-shadow: 0 0 6px rgba(0,0,0,0.08);
}

/* タイトル・本文・リンク */
.card h3 {
  font-size: 1.1rem;
  margin: 0.5rem 0;
}

.card p {
  font-size: 0.9rem;
  color: #444;
  margin: 0.3rem 0;
  flex-grow: 1;
}

.card a {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.5em 1em;
  background-color: #007acc;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  text-align: center;
}

.card a:hover {
  background-color: #005f99;
}

/* モバイル対応 */
@media screen and (max-width: 600px) {
  .card {
    flex: 0 0 240px;
  }

  .card h3 {
    font-size: 1rem;
  }

  .card p {
    font-size: 0.85rem;
  }
}