diff --git a/program/MapWindow.cs b/program/MapWindow.cs
index dc2f049..87b255c 100644
--- a/program/MapWindow.cs
+++ b/program/MapWindow.cs
@@ -115,6 +115,7 @@
     [UI] private Label HeartWaveHeader  = null;
     [UI] private Label BreathWaveHeader = null;
     [UI] private Button MapExplainButton = null;
+    [UI] private CheckButton  HideMapCheck      = null;
 
     private readonly Language    _lang;
     // private readonly SoundLooper _sound = new SoundLooper();
@@ -171,7 +172,7 @@
     private bool _keysHooked;
 
     private bool ShowBody    { get { return _tShowBody    == null || _tShowBody.Active; } }
-    private bool ShowMap     { get { return _tShowMap     == null || _tShowMap.Active; } }
+    private bool ShowMap     { get { return (_tShowMap     == null || _tShowMap.Active) && !(HideMapCheck != null && HideMapCheck.Active); } }
     private bool ShowCircles { get { return (_tShowCircles == null || _tShowCircles.Active)
                                             && !HideCircleCheck.Active; } }
     private bool ShowGuides  { get { return _tGuides != null && _tGuides.Active; } }
@@ -211,7 +212,7 @@
             MapArea, MapTitleLabel, MapCaseLabel, MapBackButton,
             BodySkeletonRadio, BodyJacketRadio, JacketSizeCombo, JacketSizeLabel,
             ViewFrontRadio, ViewBackRadio, ViewRightRadio, ViewLeftRadio,
-            HideCircleCheck, BlackAudioCheck, SoundTestButton
+            HideCircleCheck, BlackAudioCheck, SoundTestButton, HideMapCheck
         };
         foreach (var w in mapWidgets)
             if (w != null) w.StyleContext.AddClass("mappage");
@@ -238,6 +239,7 @@
         SetName(HideCircleCheck,   "HideCircleCheck");
         SetName(BlackAudioCheck,   "BlackAudioCheck");
         SetName(SoundTestButton,   "SoundTestButton");
+        SetName(HideMapCheck,       "HideMapCheck");
 
         // Register() assigns Name itself and pulls the label from the CSVs.
         _lang.Register("MapBackButton", MapBackButton);
@@ -260,6 +262,8 @@
         HookView(ViewLeftRadio,  "left");
 
         HideCircleCheck.Toggled += (s, e) => MapArea.QueueDraw();
+        if (HideMapCheck != null)  
+            HideMapCheck.Toggled += (s, e) => MapArea.QueueDraw();
         if (BlackAudioCheck != null)
             BlackAudioCheck.Toggled += (s, e) =>
             {
diff --git a/program/homepageallv8.glade b/program/homepageallv8.glade
index 1883e97..9d904b7 100644
--- a/program/homepageallv8.glade
+++ b/program/homepageallv8.glade
@@ -726,6 +726,20 @@
                           </packing>
                         </child>
                         <child>
+                          <object class="GtkCheckButton" id="HideMapCheck">
+                            <property name="label" translatable="yes">音量マップを隠す</property>
+                            <property name="visible">True</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
+                            <property name="draw-indicator">True</property>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">5</property>
+                          </packing>
+                        </child>
+                        <child>
                           <object class="GtkCheckButton" id="BlackAudioCheck">
                             <property name="label" translatable="yes">黒画素でも再生</property>
                             <property name="visible">True</property>
@@ -737,7 +751,7 @@
                           <packing>
                             <property name="expand">False</property>
                             <property name="fill">True</property>
-                            <property name="position">5</property>
+                            <property name="position">6</property>
                           </packing>
                         </child>
                         <child>
@@ -750,7 +764,7 @@
                           <packing>
                             <property name="expand">False</property>
                             <property name="fill">True</property>
-                            <property name="position">6</property>
+                            <property name="position">7</property>
                           </packing>
                         </child>
                         <child>
@@ -764,7 +778,7 @@
                           <packing>
                             <property name="expand">True</property>
                             <property name="fill">True</property>
-                            <property name="position">7</property>
+                            <property name="position">8</property>
                           </packing>
                         </child>
                         <!-- <child>
diff --git a/program/touch_friendly.css b/program/touch_friendly.css
index e0ca2a0..67327aa 100644
--- a/program/touch_friendly.css
+++ b/program/touch_friendly.css
@@ -160,7 +160,7 @@
 
 /* ── left control column ── */
 #BodySkeletonRadio label, #BodyJacketRadio label,
-#HideCircleCheck label, #BlackAudioCheck label,
+#HideCircleCheck label, #BlackAudioCheck label, #HideMapCheck label,
 #JacketSizeLabel {
     font-size: 19px;
     color: #1e1e1e;