.piece-type-index {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

.piece-type-index-header {
  margin-bottom: 48px;
}

.piece-type-index-title {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: #333;
}

.piece-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.piece-type-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  border: 2px solid #e0e0e0;
  overflow: hidden;
}

.piece-type-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(102, 126, 234, 0.2);
  border-color: #667eea;
}

.piece-type-card-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  position: relative;
  width: 100%;
}

.piece-type-card-link:hover,
.piece-type-card-link:active,
.piece-type-card-link:focus,
.piece-type-card-link:focus-visible {
  text-decoration: none;
  color: inherit;
  outline: none;
}

.piece-type-card-content {
  flex: 1;
  min-width: 0;
}

.piece-type-card-name {
  font-size: 0.92rem;
  font-weight: 700;
  margin: 0 0 4px 0;
  color: #333;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.piece-type-card-name-en {
  font-size: 0.75rem;
  color: #666;
  font-weight: 400;
}

.piece-type-card-count {
  display: inline-block;
  background: #f8f9fa;
  color: #667eea;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.85rem;
  font-weight: 600;
}

.piece-type-card-arrow {
  font-size: 1.5rem;
  color: #667eea;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.piece-type-card:hover .piece-type-card-arrow {
  transform: translateX(8px);
}

.piece-type-empty {
  text-align: center;
  padding: 80px 20px;
}

.piece-type-empty p {
  font-size: 1.1rem;
  color: #999;
}

@media (max-width: 768px) {
  .piece-type-index {
    padding: 24px 12px;
  }

  .piece-type-index-header {
    margin-bottom: 32px;
  }

  .piece-type-index-title {
    font-size: 1.8rem;
  }

  .piece-type-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .piece-type-card-link {
    gap: 10px;
    padding: 10px;
  }

  .piece-type-card-name {
    font-size: 0.76rem;
    line-height: 1.25;
  }

  .piece-type-card-name > :first-child,
  .piece-type-card-name {
    white-space: nowrap;
  }

  .piece-type-card-count {
    font-size: 0.72rem;
    padding: 3px 7px;
  }

  .piece-type-card-arrow {
    font-size: 1.2rem;
  }
}