Custom Shader AlphaTest for Unity

AlphaTest_ForWeb.shader

Shader "Custom/AlphaTest_ForWeb" {
    Properties {
    	_MainTex    ("Albedo (RGB)", 2D         ) = "white" {}
	_Cutoff     ("Cutoff"      , Range(0, 1)) = 0.5
    }

    SubShader {
        Tags {
            "Queue"      = "AlphaTest"
            "RenderType" = "TransparentCutout"
        }

        LOD 200
        Cull Off
        
        CGPROGRAM
            #pragma target 3.0
            #pragma surface surf Standard fullforwardshadows alphatest:_Cutoff

            sampler2D _MainTex;
            
            struct Input {
                float2 uv_MainTex;
            };

            void surf (Input IN, inout SurfaceOutputStandard o) {
            
                fixed2 scrolledUV = IN.uv_MainTex;
                fixed yScrollValue = 1.0 * _Time;//縦
                scrolledUV += fixed2(0,yScrollValue);
                fixed4 c = tex2D (_MainTex, scrolledUV);

                o.Albedo     = c.rgb;
                o.Alpha      = c.a;
            }
        ENDCG
    }
    FallBack "Transparent/Cutout/Diffuse"
}