diff --git a/Packages/VRM10/Editor/EditorWindow.meta b/Packages/VRM10/Editor/EditorWindow.meta
new file mode 100644
index 000000000..31fe3bd6f
--- /dev/null
+++ b/Packages/VRM10/Editor/EditorWindow.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 4f5b0a2c7ad1b1f449f670ab5722ca26
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Packages/VRM10/Editor/VRM10SpringBoneWindow.cs b/Packages/VRM10/Editor/EditorWindow/VRM10SpringsWindow.cs
similarity index 93%
rename from Packages/VRM10/Editor/VRM10SpringBoneWindow.cs
rename to Packages/VRM10/Editor/EditorWindow/VRM10SpringsWindow.cs
index 9189d2cdd..55466f599 100644
--- a/Packages/VRM10/Editor/VRM10SpringBoneWindow.cs
+++ b/Packages/VRM10/Editor/EditorWindow/VRM10SpringsWindow.cs
@@ -6,8 +6,9 @@ using UnityEngine.UIElements;
 
 namespace UniVRM10
 {
-    public class VRM10SpringBoneWindow : EditorWindow
+    public class VRM10SpringsWindow : EditorWindow
     {
+        const string WINDOW_TITLE = "VRM10Springs";
         const string SpringsPath = "SpringBone.Springs";
         ObjectField m_target;
         SerializedObject serializedObject;
@@ -33,10 +34,10 @@ namespace UniVRM10
             }
         }
 
-        public static VRM10SpringBoneWindow Show(Vrm10Instance vrm)
+        public static VRM10SpringsWindow Show(Vrm10Instance vrm)
         {
-            var wnd = GetWindow<VRM10SpringBoneWindow>();
-            wnd.titleContent = new GUIContent("VRM10SpringBone");
+            var wnd = GetWindow<VRM10SpringsWindow>();
+            wnd.titleContent = new GUIContent(WINDOW_TITLE);
             wnd.Vrm = vrm;
             return wnd;
         }
diff --git a/Packages/VRM10/Editor/VRM10SpringBoneWindow.cs.meta b/Packages/VRM10/Editor/EditorWindow/VRM10SpringsWindow.cs.meta
similarity index 100%
rename from Packages/VRM10/Editor/VRM10SpringBoneWindow.cs.meta
rename to Packages/VRM10/Editor/EditorWindow/VRM10SpringsWindow.cs.meta
diff --git a/Packages/VRM10/Editor/Vrm10InstanceEditor.cs b/Packages/VRM10/Editor/Vrm10InstanceEditor.cs
index 1f41bd7af..f852a2ff9 100644
--- a/Packages/VRM10/Editor/Vrm10InstanceEditor.cs
+++ b/Packages/VRM10/Editor/Vrm10InstanceEditor.cs
@@ -44,7 +44,7 @@ namespace UniVRM10
         SerializedProperty m_lookatTarget;
         SerializedProperty m_lookatTargetType;
 
-        VRM10SpringBoneWindow m_springBone;
+        VRM10SpringsWindow m_springBone;
 
         void OnEnable()
         {
@@ -414,11 +414,11 @@ namespace UniVRM10
         VisualElement GUISpringBone()
         {
             var root = new VisualElement();
-            // VRM10SpringBoneWindow
+            // VRM10SpringsWindow
             var button = new Button { name = "SpringBone", text = "SpringBone" };
             button.clicked += () =>
             {
-                m_springBone = VRM10SpringBoneWindow.Show(m_instance);
+                m_springBone = VRM10SpringsWindow.Show(m_instance);
             };
 
             List<(SpringBoneTab, VisualElement)> contents = new()