/* 🎯 Phase 3: 差別化の極限演出 */

.differentiation-section {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.differentiation-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 50%,
      rgba(76, 175, 80, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 107, 107, 0.05) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.differentiation-section .section-title {
  text-align: center;
  margin-bottom: 80px;
  position: relative;
  z-index: 2;
}

.differentiation-section h2 {
  font-size: 3rem;
  font-weight: 900;
  color: #1e293b;
  margin-bottom: 20px;
  line-height: 1.2;
}

.differentiation-section .highlight {
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.differentiation-section .section-title p {
  font-size: 1.2rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
}

/* 比較グリッド */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 80px;
  position: relative;
  z-index: 2;
}

.comparison-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.comparison-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  transition: all 0.3s ease;
}

.zoo-card::before {
  background: linear-gradient(90deg, #dc2626, #ef4444);
}

.luff-card::before {
  background: linear-gradient(90deg, #16a34a, #22c55e, #4ade80);
}

.zoo-card {
  transform: scale(0.95);
  opacity: 0.8;
}

.luff-card {
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(76, 175, 80, 0.2);
  border: 2px solid rgba(76, 175, 80, 0.3);
}

.luff-card::after {
  content: "👑 NO.1";
  position: absolute;
  top: -10px;
  right: -10px;
  background: linear-gradient(45deg, #ffd700, #ffed4e);
  color: #1e293b;
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 900;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
  animation: crownGlow 2s ease-in-out infinite;
}

@keyframes crownGlow {
  0%,
  100% {
    transform: rotate(-5deg) scale(1);
  }
  50% {
    transform: rotate(5deg) scale(1.1);
  }
}

.card-header {
  text-align: center;
  margin-bottom: 30px;
}

.card-header h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.zoo-card h3 {
  color: #dc2626;
}

.luff-card h3 {
  color: #16a34a;
}

.rating {
  font-size: 1.2rem;
  color: #fbbf24;
}

.comparison-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px 0;
}

.comparison-list li {
  padding: 12px 0;
  font-size: 1.1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
}

.negative-item {
  color: #dc2626;
  opacity: 0.7;
}

.positive-item {
  color: #16a34a;
  animation: positiveGlow 2s ease-in-out infinite;
}

@keyframes positiveGlow {
  0%,
  100% {
    text-shadow: none;
  }
  50% {
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.3);
  }
}

/* VS インジケーター */
.vs-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
}

.vs-circle {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 900;
  position: relative;
  animation: vsRotate 4s linear infinite;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.vs-text {
  font-size: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.vs-lightning {
  font-size: 1.2rem;
  animation: lightningBlink 1s ease-in-out infinite;
}

@keyframes vsRotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes lightningBlink {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(1.2);
  }
}

/* 体験レベルバー */
.experience-level {
  text-align: center;
}

.level-label {
  display: block;
  font-size: 0.9rem;
  color: #64748b;
  margin-bottom: 10px;
  font-weight: 600;
}

.level-bar {
  width: 100%;
  height: 15px;
  background: #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
  margin: 10px 0;
  position: relative;
}

.level-fill {
  height: 100%;
  border-radius: 10px;
  transition: width 2s ease-out;
  position: relative;
}

.zoo-level {
  width: 30%;
  background: linear-gradient(90deg, #dc2626, #ef4444);
}

.luff-level {
  width: 100%;
  background: linear-gradient(90deg, #16a34a, #22c55e, #4ade80);
  animation: levelPulse 2s ease-in-out infinite;
}

@keyframes levelPulse {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(76, 175, 80, 0.7);
  }
}

.level-text {
  font-size: 1.2rem;
  font-weight: 900;
  margin-top: 5px;
  display: block;
}

.zoo-card .level-text {
  color: #dc2626;
}

.luff-card .level-text {
  color: #16a34a;
}

/* 感動ポイント */
.wow-factors {
  text-align: center;
  position: relative;
  z-index: 2;
}

.wow-factors h3 {
  font-size: 2.5rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 50px;
}

.wow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.wow-item {
  background: white;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.wow-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.wow-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1);
}

.wow-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  animation: wowFloat 3s ease-in-out infinite;
}

.wow-item:nth-child(2) .wow-icon {
  animation-delay: 0.5s;
}

.wow-item:nth-child(3) .wow-icon {
  animation-delay: 1s;
}

@keyframes wowFloat {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.wow-item h4 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 15px;
}

.wow-item p {
  color: #64748b;
  line-height: 1.7;
  font-size: 1rem;
}

/* モバイル対応 */
@media screen and (max-width: 768px) {
  .differentiation-section h2 {
    font-size: 2.2rem;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .vs-indicator {
    order: 2;
  }

  .zoo-card {
    order: 1;
    transform: scale(1);
    opacity: 1;
  }

  .luff-card {
    order: 3;
    transform: scale(1);
  }

  .comparison-card {
    padding: 30px;
  }

  .wow-factors h3 {
    font-size: 2rem;
  }

  .wow-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .wow-item {
    padding: 30px;
  }
}

@media screen and (max-width: 480px) {
  .differentiation-section h2 {
    font-size: 1.8rem;
  }

  .comparison-card {
    padding: 25px;
  }

  .card-header h3 {
    font-size: 1.5rem;
  }

  .wow-factors h3 {
    font-size: 1.8rem;
  }
}