diff --git a/app/build.gradle b/app/build.gradle
index 5e7e062..6150f78 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -64,4 +64,6 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
     implementation 'com.journeyapps:zxing-android-embedded:4.3.0'//QR用zxingライブラリ
+
+    implementation 'androidx.browser:browser:1.5.0'
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/example/childguard/QRFragment.java b/app/src/main/java/com/example/childguard/QRFragment.java
index 71b0f96..ed63a6a 100644
--- a/app/src/main/java/com/example/childguard/QRFragment.java
+++ b/app/src/main/java/com/example/childguard/QRFragment.java
@@ -2,10 +2,12 @@ package com.example.childguard;
 
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.net.Uri;
 import android.os.Bundle;
 
 import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.browser.customtabs.CustomTabsIntent;
 import androidx.fragment.app.Fragment;
 
 import android.util.Log;
@@ -20,6 +22,8 @@ import com.google.zxing.integration.android.IntentResult;
 import com.journeyapps.barcodescanner.ScanContract;
 import com.journeyapps.barcodescanner.ScanOptions;
 
+import java.util.Objects;
+
 /**
  * A simple {@link Fragment} subclass.
  * Use the {@link QRFragment#newInstance} factory method to
@@ -83,8 +87,12 @@ public class QRFragment extends Fragment {
 //                    dataPass.onDataPass(result.getContents());
                     //画面遷移
                     Toast.makeText(getContext(), result.getContents(), Toast.LENGTH_SHORT).show();
-                    Intent intent=new Intent(getActivity(),UrlPageActivity.class);
-                    startActivity(intent);
+//                    Intent intent=new Intent(getActivity(),UrlPageActivity.class);
+//                    startActivity(intent);
+
+                    CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
+                    CustomTabsIntent customTabsIntent = builder.build();
+                    customTabsIntent.launchUrl(requireContext(), Uri.parse(result.getContents()));
                 }
 
             });