/* Xボタン風 */
.x-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #000000; /* 黒ベース */
  color: #ffffff;
  border: none;
  border-radius: 9999px;
  padding: 0.5rem 1rem;
  font-weight: bold;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.x-button:hover {
  background-color: #333333;
  color: #ffffff;
}

.x-button::before {
  content: "𝕏"; /* Xロゴ風の文字 */
  font-size: 1.1rem;
  line-height: 1;
}

#reshuffle-button,
#x-share-button {
  opacity: 0.3;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

#reshuffle-button.visible,
#x-share-button.visible {
  opacity: 1;
  pointer-events: auto;
}