/* チャットボタン（右下固定配置用デザインクラス） */
.neodig-chat-button-floating {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 64px;
  height: 64px;
  border-radius: 32px;
  background: #2d3748;
  color: white;
  border: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  font-size: 28px;
  z-index: 999;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.neodig-chat-button-floating:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.6);
}

.neodig-chat-button-floating:active {
  transform: translateY(0) scale(0.98);
}

.neodig-chat-icon {
  width: 70%;
  height: 70%;
  object-fit: contain;
  transform: translateY(2px);
}