/// <summary>
        /// 仮想HMDドライバ設定をディスクへ書き込み
        /// </summary>
        /// <param name="data"></param>
        private static void Write_Default_VRSettings(default_vrsettings data)
        {
            var json = JsonUtility.ToJson(data, true);
            var path = Emviroment.Path.default_vrsettings;

            File.WriteAllText(path, json);
        }
        /// <summary>
        /// 仮想HMDドライバ設定をディスクから読み込み
        /// </summary>
        /// <returns></returns>
        private static default_vrsettings Read_Default_VRSettings()
        {
            var data = new default_vrsettings();
            var path = Emviroment.Path.default_vrsettings;

            if (File.Exists(path))
            {
                var fileJson = File.ReadAllText(path);
                JsonUtility.FromJsonOverwrite(fileJson, data);
            }
            return(data);
        }