/**
 * Nisso Core — カード・共通UI（.nisso-* 名前空間）
 */

.nisso-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 1.5rem 0;
}

.nisso-card {
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.nisso-card:hover {
  opacity: 0.85;
}

.nisso-card__thumb {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #f0f0f0;
}

.nisso-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.nisso-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.75rem 0 0;
}

.nisso-card__tt {
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.4;
}

.nisso-card__ex {
  font-size: 0.9rem;
  line-height: 1.5;
  color: #555;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.nisso-empty {
  grid-column: 1 / -1;
  padding: 2rem 0;
  text-align: center;
  color: #666;
}

@media (max-width: 921px) {
  .nisso-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 544px) {
  .nisso-cards {
    grid-template-columns: 1fr;
  }
}