diff --git a/common_const.py b/common_const.py
index 87505c1..e653eda 100644
--- a/common_const.py
+++ b/common_const.py
@@ -3,6 +3,12 @@ class CWindow:
     HEIGHT: int = 768
 
 
-class CMath:
-    PI: float = 3.14159265358979323846
+class CKita:
+    WIDTH: float = CWindow.HEIGHT / 3.84
+    HEIGHT: float = WIDTH
+
+
+class CJojoko:
+    WIDTH: float = CKita.HEIGHT * .75
+    HEIGHT: float = WIDTH
 
diff --git a/main.py b/main.py
index d156075..a72c5cb 100644
--- a/main.py
+++ b/main.py
@@ -96,11 +96,11 @@ class Main:
 
         # き太く陽
         kita: pygame.Surface = pygame.transform.scale (
-                pygame.image.load ('sun.png'), (200, 200))
+                pygame.image.load ('sun.png'), (CKita.WIDTH, CKita.HEIGHT))
 
         # 大月ヨヨコ
         jojoko: pygame.Surface = pygame.transform.scale (
-                pygame.image.load ('moon.png'), (200, 200))
+                pygame.image.load ('moon.png'), (CJojoko.WIDTH, CJojoko.HEIGHT))
 
         # 音声再生器の初期化
         pygame.mixer.init (frequency = 44100)
@@ -270,7 +270,7 @@ class Main:
                                                + '...')),
                                          True,
                                          (192, 0, 0)),
-                                    (100, 200 + 384) if goatoh_mode else (100 + (64 if (double_mode and not goatoh_talking) else 0), 200))
+                                    (100, 200 + CWindow.HEIGHT / 2) if goatoh_mode else (100 + (64 if (double_mode and not goatoh_talking) else 0), 200))
 
                         pygame.display.update ()
 
@@ -359,9 +359,10 @@ class Main:
         jojoko: pygame.Surface = cls.get_jojoko (jojoko_original,
                                                  moon_days_old, moon_alt, moon_az)
 
+        # TODO: 大月と重複多いため修正すること
         x = CWindow.WIDTH * (sun_az - 80) / 120
         y = ((CWindow.HEIGHT / 2)
-             - (CWindow.HEIGHT / 2 + 100) * math.sin (math.radians (sun_alt)) / math.sin ( math.radians (60)))
+             - (CWindow.HEIGHT / 2 + CKita.HEIGHT / 2) * math.sin (math.radians (sun_alt)) / math.sin ( math.radians (60)))
         arg = math.degrees (math.atan2 (y - cls.kita_y, x - cls.kita_x))
 
         cls.kita_x = x
@@ -416,19 +417,21 @@ class Main:
 
         jojoko.set_colorkey ((0, 255, 0))
 
-        for i in range (200):
+        for i in range (int (CJojoko.HEIGHT)):
+            # TODO: 冗長かつ可読性に缺けるため修正すること
             if 1 <= moon_days_old < 15:
-                pygame.gfxdraw.bezier (jojoko, ((0, 100 + i), (100, 180 * moon_days_old / 7 - 80 + i), (200, 100 + i)), 3, (0, 255, 0))
+                pygame.gfxdraw.bezier (jojoko, ((0, CJojoko.HEIGHT / 2 + i), (CJojoko.WIDTH / 2, (CJojoko.HEIGHT * 0.9) * moon_days_old / 7 - CJojoko.HEIGHT * 0.4 + i), (CJojoko.WIDTH, CJojoko.HEIGHT / 2 + i)), 3, (0, 255, 0))
             elif moon_days_old < 16:
                 pass
             elif moon_days_old < 30:
-                pygame.gfxdraw.bezier (jojoko, ((0, 100 - i), (100, 180 * (moon_days_old - 15) / 7 - 80 - i), (200, 100 - i)), 3, (0, 255, 0))
+                pygame.gfxdraw.bezier (jojoko, ((0, CJojoko.HEIGHT / 2 - i), (CJojoko.WIDTH / 2, (CJojoko.HEIGHT * 0.9) * (moon_days_old - 15) / 7 - CJojoko.HEIGHT * 0.4 - i), (CJojoko.WIDTH, CJojoko.HEIGHT / 2 - i)), 3, (0, 255, 0))
             else:
                 jojoko.fill ((0, 255, 0))
 
+        # TODO: き太く陽生成と重複多いため外出しすること
         x = CWindow.WIDTH * (moon_az - 80) / 120
         y = ((CWindow.HEIGHT / 2)
-             - (CWindow.HEIGHT / 2 + 100) * math.sin (math.radians (moon_alt)) / math.sin (math.radians (60)))
+             - (CWindow.HEIGHT / 2 + CJojoko.HEIGHT / 2) * math.sin (math.radians (moon_alt)) / math.sin (math.radians (60)))
         arg = math.degrees (math.atan2 (y - cls.jojoko_y, x - cls.jojoko_x))
 
         cls.jojoko_x = x