/* ニュルっとしたアニメーション効果 */
@keyframes nyuru-in {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes nyuru-fade {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes nyuru-scale {
  0% {
    transform: scale(0.9);
  }
  50% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes nyuru-rotate {
  0% {
    transform: rotate(-3deg) scale(0.95);
  }
  100% {
    transform: rotate(0) scale(1);
  }
}

.nyuru-element {
  opacity: 0;
}

.nyuru-element.visible {
  animation: nyuru-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.nyuru-fade {
  opacity: 0;
}

.nyuru-fade.visible {
  animation: nyuru-fade 0.7s ease-out forwards;
}

.nyuru-scale {
  opacity: 0;
}

.nyuru-scale.visible {
  animation: nyuru-scale 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  opacity: 1;
}

.nyuru-rotate {
  opacity: 0;
}

.nyuru-rotate.visible {
  animation: nyuru-rotate 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  opacity: 1;
}

/* アニメーションの遅延設定 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* セクション別アニメーション設定 */
.section-title {
  position: relative;
  overflow: hidden;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
  transform: translateX(-100%);
  animation: shimmer 2s infinite;
  opacity: 0.5;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* ホバーエフェクト */
.nyuru-hover {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nyuru-hover:hover {
  transform: translateY(-5px) scale(1.03);
}

/* スクロールトリガーアニメーション */
.scroll-trigger {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-trigger.visible {
  opacity: 1;
  transform: translateY(0);
}