diff --git a/src/main/java/cactusServer/entities/Area.java b/src/main/java/cactusServer/entities/Area.java
index 90cfee8..20496b4 100644
--- a/src/main/java/cactusServer/entities/Area.java
+++ b/src/main/java/cactusServer/entities/Area.java
@@ -44,14 +44,12 @@
 
 	public boolean isSurroundingPosition(Position3D position) {
 		for (Plain plain : region) {
-			// ������ Plain��a,b,c,d �� Character��x,y,z ��p����, �L�����N�^�[�����ʂɂ��邩�ǂ����̔�����s��
-
-			// double equation = (plain.getA() * position.getX()) + (plain.getB() *
-			// position.getY())
-			// + (plain.getC() * position.getZ()) + plain.getD();
-			// if (equation > 0) {
-			// return false;
-			// }
+			// ������ Plain��a,b,c,d �� Character��x,y,z ��p����, �L�����N�^�[�����ʂ̗��ɂ��邩�ǂ����̔�����s��
+			double equation = (plain.getA() * position.getX()) + (plain.getB() * position.getY())
+					+ (plain.getC() * position.getZ()) + plain.getD();
+			if (equation > 0) {
+				return false;
+			}
 		}
 		return true;
 	}