diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 30ddc78..f9c7b45 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,7 +4,41 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="7eb443d1-45f2-4faf-a731-a1a74cdb0b16" name="Default Changelist" comment="背景の削除" />
+    <list default="true" id="150605eb-edc2-47dc-90e5-dd106d02a690" name="Default Changelist" comment="背景の削除">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/resources/stage.txt" beforeDir="false" afterPath="$PROJECT_DIR$/resources/stage.txt" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/JumpGame.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/JumpGame.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Acceleration.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Acceleration.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Clear.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Clear.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Force.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Force.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Gameover.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Gameover.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Ground.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Ground.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Mass.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Mass.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Move.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Move.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Onground.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Onground.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Position.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Position.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Time.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Time.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/entities/Velocity.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/entities/Velocity.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/models/JumpGameModel.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/models/JumpGameModel.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/views/Image2D.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/views/Image2D.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/views/TileMapRenderer.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/views/TileMapRenderer.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/JumpGame$1.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/JumpGame$1.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/JumpGame.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/JumpGame.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Acceleration.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Acceleration.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Clear.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Clear.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Force.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Force.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Gameover.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Gameover.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Ground.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Ground.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Mass.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Mass.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Move.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Move.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Onground.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Onground.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Position.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Position.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Time.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Time.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/entities/Velocity.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/entities/Velocity.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/models/JumpGameModel.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/models/JumpGameModel.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/views/TileMapRenderer$1.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/views/TileMapRenderer$1.class" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/target/classes/views/TileMapRenderer.class" beforeDir="false" afterPath="$PROJECT_DIR$/target/classes/views/TileMapRenderer.class" afterDir="false" />
+    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -18,6 +52,9 @@
     </option>
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
+  <component name="ProblemsViewState">
+    <option name="selectedIndex" value="2" />
+  </component>
   <component name="ProjectId" id="268UsKoaB8ginxJiGwsrBfhXTtx" />
   <component name="ProjectViewState">
     <option name="hideEmptyMiddlePackages" value="true" />
@@ -28,6 +65,7 @@
     <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
     <property name="WebServerToolWindowFactoryState" value="false" />
     <property name="aspect.path.notification.shown" value="true" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/src/main/java/entities" />
     <property name="node.js.detected.package.eslint" value="true" />
     <property name="node.js.detected.package.tslint" value="true" />
     <property name="node.js.selected.package.eslint" value="(autodetect)" />
@@ -35,9 +73,15 @@
     <property name="project.structure.last.edited" value="Project" />
     <property name="project.structure.proportion" value="0.0" />
     <property name="project.structure.side.proportion" value="0.0" />
+    <property name="run.code.analysis.last.selected.profile" value="pProject Default" />
   </component>
   <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="C:\Users\Okina\kinakomochi\DevProjects\JumpGame\src\main\java\entities" />
+    </key>
     <key name="MoveFile.RECENT_KEYS">
+      <recent name="C:\Users\Okina\kinakomochi\DevProjects\JumpGame\src\main\java" />
+      <recent name="C:\Users\Okina\kinakomochi\DevProjects\JumpGame\src\main\java\entities" />
       <recent name="C:\Users\Okina\kinakomochi\DevProjects\JumpGame\resources" />
     </key>
     <key name="MoveClassesOrPackagesDialog.RECENTS_KEY">
@@ -61,7 +105,7 @@
   <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
   <component name="TaskManager">
     <task active="true" id="Default" summary="Default task">
-      <changelist id="7eb443d1-45f2-4faf-a731-a1a74cdb0b16" name="Default Changelist" comment="" />
+      <changelist id="150605eb-edc2-47dc-90e5-dd106d02a690" name="Default Changelist" comment="背景の削除" />
       <created>1646804917199</created>
       <option name="number" value="Default" />
       <option name="presentableId" value="Default" />
@@ -70,6 +114,7 @@
       <workItem from="1648972072361" duration="3598000" />
       <workItem from="1650284125153" duration="202000" />
       <workItem from="1650285674040" duration="967000" />
+      <workItem from="1650349974800" duration="668000" />
     </task>
     <task id="LOCAL-00001" summary="現行のDTRAMのPUSHで出力したプロトタイプでの作成">
       <created>1648974204548</created>