diff --git a/MToon/Resources/Shaders/MToon.shader b/MToon/Resources/Shaders/MToon.shader
index 91c5052..e689195 100644
--- a/MToon/Resources/Shaders/MToon.shader
+++ b/MToon/Resources/Shaders/MToon.shader
@@ -130,8 +130,30 @@ Shader "VRM/MToon"
             ENDCG
         }
         
-        // Cast transparent shadow
-        UsePass "Standard/SHADOWCASTER"
+        // ------------------------------------------------------------------
+        //  Shadow rendering pass
+        Pass {
+            Name "ShadowCaster"
+            Tags { "LightMode" = "ShadowCaster" }
+
+            ZWrite On ZTest LEqual
+
+            CGPROGRAM
+            #pragma target 2.0
+
+            #pragma shader_feature _ _ALPHATEST_ON _ALPHABLEND_ON _ALPHAPREMULTIPLY_ON
+            #pragma shader_feature _METALLICGLOSSMAP
+            #pragma shader_feature _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A
+            #pragma skip_variants SHADOWS_SOFT
+            #pragma multi_compile_shadowcaster
+
+            #pragma vertex vertShadowCaster
+            #pragma fragment fragShadowCaster
+
+            #include "UnityStandardShadow.cginc"
+
+            ENDCG
+        }
     }
     
     Fallback "Unlit/Texture"