/* セミナーカルーセル - 写真付き横長カード版 */
.seminar-carousel {
  background: linear-gradient(180deg, #F5F9FD 0%, #EDF5FB 100%);
  padding: 40px 0;
  overflow: hidden;
}

.seminar-carousel__header {
  text-align: center;
  margin-bottom: 32px;
}

.seminar-carousel__badge {
  display: inline-block;
  background: linear-gradient(135deg, #00B3FE 0%, #0088CC 100%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.seminar-carousel__title {
  font-size: 24px;
  font-weight: 700;
  color: #003399;
  margin: 0;
}

.seminar-carousel__track-wrapper {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    black 10%,
    black 90%,
    transparent 100%
  );
}

.seminar-carousel__track {
  --card-width: 400px;
  --card-count: 5;
  --gap: 24px;
  
  display: flex;
  gap: var(--gap);
  width: max-content;
}

.seminar-carousel__track:hover {
  animation-play-state: paused;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc((var(--card-width) + var(--gap)) * var(--card-count) * -1));
  }
}

/* カードデザイン - 写真付き横長 */
.seminar-carousel__card {
  flex-shrink: 0;
  width: 400px;
  height: 140px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0, 51, 153, 0.08);
  border: 1px solid rgba(0, 179, 254, 0.1);
  display: flex;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.seminar-carousel__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 51, 153, 0.12);
}

/* 左側：画像エリア */
.seminar-carousel__card-image {
  width: 140px;
  height: 140px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #E8F4FE 0%, #D0ECFF 100%);
  overflow: hidden;
}

.seminar-carousel__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 右側：コンテンツエリア */
.seminar-carousel__card-content {
  flex: 1;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* タグ（テーマ） */
.seminar-carousel__card-tag {
  display: inline-block;
  background: linear-gradient(135deg, #E8F4FE 0%, #D0ECFF 100%);
  color: #0088CC;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
  width: fit-content;
  margin-bottom: 8px;
}

/* 団体名 */
.seminar-carousel__card-org {
  font-size: 12px;
  color: #6B7B8C;
  margin: 0 0 6px 0;
}

/* タイトル */
.seminar-carousel__card-title {
  font-size: 14px;
  font-weight: 700;
  color: #003399;
  margin: 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 右下アイコン */
.seminar-carousel__card-icon {
  position: absolute;
  bottom: 12px;
  right: 16px;
  width: 28px;
  height: 28px;
  background: #F5F9FD;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.seminar-carousel__card-icon svg {
  width: 16px;
  height: 16px;
  color: #00B3FE;
}

/* 右下の日付エリア（旧: card-icon） */
.seminar-carousel__card-date {
  position: absolute;
  bottom: 12px;
  right: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: #F5F9FD;
  padding: 4px 10px 4px 6px;
  border-radius: 8px;
}

.seminar-carousel__card-date svg {
  width: 14px;
  height: 14px;
  color: #00B3FE;
  flex-shrink: 0;
}

.seminar-carousel__card-date span {
  font-size: 11px;
  font-weight: 600;
  color: #003399;
}


/* レスポンシブ対応 */
@media (max-width: 768px) {
  .seminar-carousel {
    padding: 32px 0;
  }
  
  .seminar-carousel__title {
    font-size: 20px;
  }
  
  .seminar-carousel__track {
    --card-width: 320px;
    --gap: 16px;
    animation-duration: 35s;
  }
  
  .seminar-carousel__card {
    width: 320px;
    height: 120px;
  }
  
  .seminar-carousel__card-image {
    width: 120px;
    height: 120px;
  }
  
  .seminar-carousel__card-content {
    padding: 12px 16px;
  }
  
  .seminar-carousel__card-title {
    font-size: 13px;
  }
}