/* ロゴイントロアニメーション用スタイル */
.intro-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.8s ease-out;
}

.intro-animation.hidden {
  opacity: 0;
  pointer-events: none;
}

.intro-logo {
  width: 200px;
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: pulse 2s ease-in-out, fadeOut 1s ease-out 2s forwards;
}

.intro-logo img {
  max-width: 100%;
  height: auto;
  transform: scale(0);
  animation: scaleIn 1s ease-out forwards;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes scaleIn {
  0% {
    transform: scale(0);
  }
  70% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}