diff --git a/main.py b/main.py
index f946f0c..f8896f4 100644
--- a/main.py
+++ b/main.py
@@ -17,6 +17,7 @@ from aques import Aques
 from common_const import *
 from common_module import CommonModule
 from mode import Mode
+from othello import Othello
 from talk import Talk
 from youtube import *
 
@@ -47,6 +48,9 @@ class Main:
         screen: pygame.Surface = pygame.display.set_mode (
                 (CWindow.WIDTH, CWindow.HEIGHT))
 
+        # オセロ用オブジェクト
+        othello = Othello (screen)
+
         # 吹き出し
         balloon = pygame.transform.scale (pygame.image.load ('talking.png'),
                                           (CWindow.WIDTH, 384))
diff --git a/othello.py b/othello.py
index f60c105..f2654fa 100644
--- a/othello.py
+++ b/othello.py
@@ -1,32 +1,24 @@
-import pygame
-from pygame.locals import *
-import sys
-
-
-class Othello:
-    SCREEN_SIZE: tuple = (640, 480)
-
-    BOARD_COLOUR: tuple = (0, 128, 0)
-
-    @classmethod
-    def main (cls) -> None:
-        pygame.init ()
-        screen: pygame.Surface = pygame.display.set_mode (cls.SCREEN_SIZE)
-
-        while True:
-            screen.fill ((0, 0, 0))
-
-            # pygame.draw.rect (screen, BOARD_COLOUR, )
-
-            pygame.display.update ()
-            pygame.time.wait (33)
-
-            for event in pygame.event.get ():
-                if event.type == QUIT:
-                    pygame.quit ()
-                    sys.exit ()
-
-
-if __name__ == '__main__':
-    Othello.main ()
-
+import pygame
+from pygame.locals import *
+import sys
+
+from common_const import *
+
+
+class Othello:
+    # 盤の色
+    BOARD_COLOUR: tuple = (0, 128, 0)
+
+    def __init__ (
+            self,
+            screen: pygame.Surface) \
+    -> None:
+        self.screen = screen
+
+        # オセロ中?
+        self.othello_mode = False
+
+    def redraw (self) -> None:
+        if self.othello_mode:
+            pass
+