private void Start()
        {
            oldSelectedGameObject = EventSystem.current.currentSelectedGameObject;
            soundCollector = gameObject.AddComponent<QuestSelectionSoundCollector>();
            isFirstSelected = true;

            if (!SoundPlayerSingleton.instance.PlayBGM(soundCollector[QuestSelectionSoundCollector.SoundName.BGM], true, SoundPlayerSingleton.FadeMode.FadeIn))
            {
                Debug.LogError("BGMの再生に失敗しました");
            }
        }
 private void Start()
 {
     oldSelectedGameObject = EventSystem.current.currentSelectedGameObject;
     soundCollector = gameObject.AddComponent<QuestSelectionSoundCollector>();
     isFirstSelected = true;
 }