/* ゲームページ専用スタイル */
.games-hero {
  background: linear-gradient(135deg, #e74c3c, #f39c12);
  color: white;
  text-align: center;
  padding: 3rem 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.games-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 1px, transparent 1px),
    radial-gradient(circle at 40% 40%, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px, 75px 75px, 100px 100px;
  animation: twinkle 3s ease-in-out infinite alternate;
}

@keyframes twinkle {
  0% { opacity: 0.3; }
  100% { opacity: 0.8; }
}

.games-hero h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.games-hero p {
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.game-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.game-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 3px solid #e74c3c;
}

.game-card-content {
  padding: 1.5rem;
}

.game-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.game-description {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.play-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #e74c3c, #c0392b);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  font-size: 0.9rem;
}

.play-button:hover {
  background: linear-gradient(135deg, #c0392b, #a93226);
  transform: translateX(2px);
}

.play-button::after {
  content: '▶';
  font-size: 0.8rem;
}

.game-tag {
  display: inline-block;
  background: #f8f9fa;
  color: #666;
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid #e9ecef;
}

.special-game {
  position: relative;
}

.special-game::before {
  content: '🍻';
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  z-index: 2;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .games-hero h1 {
    font-size: 2.2rem;
  }
  
  .games-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .game-card-content {
    padding: 1.25rem;
  }
}

/* ローディング状態のプレースホルダー */
.thumbnail-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  font-size: 3rem;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}