diff --git a/Editor/Psd2UnityImporter-Editor.asmdef b/Editor/Psd2UnityImporter-Editor.asmdef
new file mode 100644
index 0000000..b90b207
--- /dev/null
+++ b/Editor/Psd2UnityImporter-Editor.asmdef
@@ -0,0 +1,15 @@
+{
+    "name": "Psd2UnityImporter-Editor",
+    "references": [],
+    "optionalUnityReferences": [],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": []
+}
\ No newline at end of file
diff --git a/Editor/Psd2UnityImporter-Editor.asmdef.meta b/Editor/Psd2UnityImporter-Editor.asmdef.meta
new file mode 100644
index 0000000..00a429e
--- /dev/null
+++ b/Editor/Psd2UnityImporter-Editor.asmdef.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: a2470cc70511464191d8adae826ffbb8
+timeCreated: 1560218377
\ No newline at end of file
diff --git a/Editor/PsdImportWindow.cs b/Editor/PsdImportWindow.cs
index e883aaf..cc02960 100644
--- a/Editor/PsdImportWindow.cs
+++ b/Editor/PsdImportWindow.cs
@@ -217,7 +217,19 @@ private void LoadStyles()
 				fontStyle = FontStyle.Bold
 			};
 
+			// XXX: VisibilityToggle style is not exists in Unity 2018.3
+#if UNITY_2018_3_OR_NEWER
+			tempStyle = new GUIStyle()
+			{
+				normal = new GUIStyleState() { background = EditorGUIUtility.Load("Icons/animationvisibilitytoggleoff.png") as Texture2D },
+				onNormal = new GUIStyleState() { background = EditorGUIUtility.Load("Icons/animationvisibilitytoggleon.png") as Texture2D },
+				fixedHeight = 11, fixedWidth = 13,
+				border = new RectOffset(2, 2, 2, 2), overflow = new RectOffset(-1, 1, -2, 2), padding = new RectOffset(3, 3, 3, 3), richText = false,
+				stretchHeight = false, stretchWidth = false,
+			};
+#else
 			tempStyle = GUI.skin.FindStyle("VisibilityToggle");
+#endif
 
 			styleVisOff = new GUIStyle(tempStyle)
 			{
diff --git a/Editor/PsdImporter.cs b/Editor/PsdImporter.cs
index 48bb50a..3dae121 100644
--- a/Editor/PsdImporter.cs
+++ b/Editor/PsdImporter.cs
@@ -242,7 +242,7 @@ private static Texture2D GetLayerTexture(PsdDocument psdDoc, PsdLayer psdLayer,
 			return layerTexture;
 		}
 
-		private static Texture2D GetTexture(PsdLayer layer)
+		public static Texture2D GetTexture(PsdLayer layer)
 		{
 			Texture2D texture = new Texture2D(layer.Width, layer.Height);
 			Color32[] pixels = new Color32[layer.Width * layer.Height];
@@ -629,4 +629,4 @@ public static Vector2 AlignmentToPivot(SpriteAlignment spriteAlignment)
 		}
 		#endregion
 	}
-}
\ No newline at end of file
+}