//--左右のカードが共に負けるアニメーションを再生する関数
public void StartBothDeathAnim(Sprite leftCardSprite, Sprite rightCardSprite)
{
_leftCardSpriteRenderer.sprite = leftCardSprite;
_rightCardSpriteRenderer.sprite = rightCardSprite;
_battleAnimation.StartBothDeathAnim();
}
