/// <summary>
    ///
    /// </summary>
    private void Awake()
    {
        masterSliderNotifier.OnValueChanging.Subscribe(value =>
        {
            float volume = (isNaive) ? (value) : (SoundUtil.CalcGetVolume(value));
            SoundManager.Instance.SetVolume(SoundCategory.Master, volume);
        });
        bgmSliderNotifier.OnValueChanging.Subscribe(value =>
        {
            float volume = (isNaive) ? (value) : (SoundUtil.CalcGetVolume(value));
            SoundManager.Instance.SetVolume(SoundCategory.Bgm, volume);
        });
        seSliderNotifier.OnValueChanging.Subscribe(value =>
        {
            float volume = (isNaive) ? (value) : (SoundUtil.CalcGetVolume(value));
            SoundManager.Instance.SetVolume(SoundCategory.Se, volume);
        });
        voiceSliderNotifier.OnValueChanging.Subscribe(value =>
        {
            float volume = (isNaive) ? (value) : (SoundUtil.CalcGetVolume(value));
            SoundManager.Instance.SetVolume(SoundCategory.Voice, volume);
        });
        seSliderNotifier.OnValueChanged.Subscribe(value =>
        {
            seSample.Play();
        });
        voiceSliderNotifier.OnValueChanged.Subscribe(value =>
        {
            voiceSample.Play();
        });

        bgmSample.Play();
    }