diff --git a/src/scenes/credit/director.rb b/src/scenes/credit/director.rb
index 002731e..9bbd25b 100644
--- a/src/scenes/credit/director.rb
+++ b/src/scenes/credit/director.rb
@@ -16,6 +16,8 @@ def play
             draw
             if $DEBUG
                 @button_sensor.update(ButtonSensor::LEFT_PIN); @button_sensor.update(ButtonSensor::RIGHT_PIN)
+            else
+                @button_sensor.update(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
             end
             @leng_sensor.update(LengSensor::LEFT_PIN); @leng_sensor.update(LengSensor::RIGHT_PIN)
             update
@@ -31,6 +33,8 @@ def update
             elsif @leng_sensor.down?(LengSensor::RIGHT_PIN) ||
                   @leng_sensor.down?(LengSensor::LEFT_PIN)
                 SceneMgr.move_to(:title)
+            elsif !$DEBUG && @button_sensor.down?(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
+                SceneMgr.move_to(:title)
             end
         end
 
diff --git a/src/scenes/game/director.rb b/src/scenes/game/director.rb
index ec7c8fd..b62f6b1 100644
--- a/src/scenes/game/director.rb
+++ b/src/scenes/game/director.rb
@@ -100,6 +100,8 @@ def play
             draw
             if $DEBUG
                 @button_sensor.update(ButtonSensor::LEFT_PIN); @button_sensor.update(ButtonSensor::RIGHT_PIN)
+            else
+                @button_sensor.update(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
             end
             @leng_sensor.update(LengSensor::LEFT_PIN); @leng_sensor.update(LengSensor::RIGHT_PIN)
 
@@ -159,6 +161,8 @@ def update
             if @timer.stop?
                 SceneMgr.move_to(:result)
                 @timer.reset
+            elsif !$DEBUG && @button_sensor.down?(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
+                SceneMgr.move_to(:result)
             end
 
             if $DEBUG && @button_sensor.down?(ButtonSensor::RIGHT_PIN) ||
diff --git a/src/scenes/game/matz.rb b/src/scenes/game/matz.rb
index d2c8e7c..c284b72 100644
--- a/src/scenes/game/matz.rb
+++ b/src/scenes/game/matz.rb
@@ -37,7 +37,7 @@ def receive_present(present)
             case present.class.status
             when :ruby
                 SoundMgr.ruby_sound_play
-                30
+                20
             when :castle
                 SoundMgr.castle_sound_play
                 10
@@ -49,7 +49,7 @@ def receive_present(present)
                 -20
             when :cookie
                 SoundMgr.cookie_sound_play
-                -100
+                -30
             end
         @present_dy = (@@rate_y - present.y) / ((@@rate_x - present.x) / @present_dx) # 移動距離を計算します。
         @presents.push(present.dup)
diff --git a/src/scenes/result/director.rb b/src/scenes/result/director.rb
index ccfbaf0..c8b4f0a 100644
--- a/src/scenes/result/director.rb
+++ b/src/scenes/result/director.rb
@@ -18,7 +18,10 @@ def play
             draw
             if $DEBUG
                 @button_sensor.update(ButtonSensor::LEFT_PIN); @button_sensor.update(ButtonSensor::RIGHT_PIN)
+            else
+                @button_sensor.update(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
             end
+            
             @leng_sensor.update(LengSensor::LEFT_PIN); @leng_sensor.update(LengSensor::RIGHT_PIN)
             update
         end
@@ -32,6 +35,8 @@ def update
             elsif @leng_sensor.down?(LengSensor::RIGHT_PIN) ||
                   @leng_sensor.down?(LengSensor::LEFT_PIN)
                 SceneMgr.move_to(:credit)
+            elsif !$DEBUG && @button_sensor.down?(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
+                SceneMgr.move_to(:credit)
             end
         end
 
diff --git a/src/scenes/title/director.rb b/src/scenes/title/director.rb
index efb1f30..1e93c89 100644
--- a/src/scenes/title/director.rb
+++ b/src/scenes/title/director.rb
@@ -16,6 +16,8 @@ def play
             draw
             if $DEBUG
                 @button_sensor.update(ButtonSensor::LEFT_PIN); @button_sensor.update(ButtonSensor::RIGHT_PIN)
+            else
+                @button_sensor.update(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
             end
             @leng_sensor.update(LengSensor::LEFT_PIN); @leng_sensor.update(LengSensor::RIGHT_PIN)
             update
@@ -30,6 +32,8 @@ def update
             elsif @leng_sensor.down?(LengSensor::RIGHT_PIN) ||
                   @leng_sensor.down?(LengSensor::LEFT_PIN)
                 SceneMgr.move_to(:game)
+            elsif !$DEBUG && @button_sensor.down?(ButtonSensor::RIGHT_PIN) # 運営操作用のマスターkey
+                SceneMgr.move_to(:game)
             end
         end