.loading-overlay {
  position: absolute;
  background-color:rgba(255, 255, 255, 0.1); 
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  pointer-events: none; /* クリックを無効化 */
}

.loading-overlay .spinner {
  width: 15px;
  height: 15px;
  border: 3px solid rgba(0, 0, 0, 0.4);
  border-top-color: rgba(0, 0, 0, 0.8);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.fake-disabled {
  pointer-events: none;
  opacity: 0.5; /* 視覚的に無効化を表現 */
}