/* フィルタータブ */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-tab {
  padding: 8px 20px;
  border: 2px solid var(--neutral-light);
  background: transparent;
  color: var(--neutral);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.filter-tab:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* 作品グリッド */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.work-item {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.3s ease;
}

.work-item.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  position: absolute;
}

.work-card {
  background: var(--background);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.work-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.work-image {
  position: relative;
  padding-bottom: 56.25%;
  overflow: hidden;
}

.work-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.work-card:hover .work-image img {
  transform: scale(1.05);
}

.work-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(44, 62, 80, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.work-card:hover .work-overlay {
  opacity: 1;
}

.work-view {
  color: white;
  text-decoration: none;
  padding: 12px 24px;
  border: 2px solid white;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.work-view:hover {
  background: white;
  color: var(--primary);
}

.work-info {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.work-info h3 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--primary);
}

.work-info p {
  color: var(--neutral);
  margin-bottom: var(--space-lg);
  line-height: 1.6;
  flex-grow: 1;
}

.work-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--space-md);
}

.work-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tag {
  background: var(--background-alt);
  color: var(--neutral-dark);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: 500;
}

.work-download {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.work-download:hover {
  color: var(--accent-dark);
}

/* レスポンシブデザイン */
@media (max-width: 768px) {

  .works-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .filter-tabs {
    gap: var(--space-xs);
  }

  .filter-tab {
    padding: 6px 16px;
    font-size: var(--text-sm);
  }

  .work-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  .work-info {
    padding: var(--space-md);
  }

  .work-info h3 {
    font-size: var(--text-lg);
  }
}