diff --git a/a b/a
new file mode 100644
index 0000000..1bf5395
--- /dev/null
+++ b/a
@@ -0,0 +1,18 @@
+package com.original_game.janken;
+ 
+import javax.swing.JFrame;
+ 
+public class GameMain {
+ 
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		//ウィンドウの表示
+		JFrame frame = new JFrame("じゃんけんゲーム");
+		frame.setSize(640, 480);
+		frame.setLocationRelativeTo(null);
+		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		frame.setResizable(false);
+		frame.setVisible(true);
+	}
+ 
+}