Tweak save/load and backgrounds button behaviour

MultipleMaids/CM3D2/MultipleMaids/Plugin/MultipleMaids.Gui.cs

@@ -523,8 +523,8 @@ namespace CM3D2.MultipleMaids.Plugin
                 new Rect(GetPix(4), GetPix(27), GetPix(85), GetPix(23)),
                 "Backgrounds", style2))
             {
+                sceneFlg = !sceneFlg || !kankyoToggle;
                 kankyoToggle = true;
-                sceneFlg = !sceneFlg;
                 faceFlg = false;
                 poseFlg = false;
                 kankyoFlg = false;
@@ -1215,7 +1215,7 @@ namespace CM3D2.MultipleMaids.Plugin
                                "シーン\n 管 理",
                                guistyle3))
                 {
-                    sceneFlg = !sceneFlg;
+                    sceneFlg = sceneFlg ? kankyoToggle : true;
                     kankyoToggle = false;
                     faceFlg = false;
                     poseFlg = false;