diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d948d2b..881e9a1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,6 +10,7 @@
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="Acanthus"
+        android:usesCleartextTraffic="true"
         android:networkSecurityConfig="@xml/network_security_config"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/Login/LoginScreenActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/Login/LoginScreenActivity.java
index b3241af..e6369c9 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/Login/LoginScreenActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/Login/LoginScreenActivity.java
@@ -4,14 +4,14 @@
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.text.Editable;
 import android.widget.Button;
 import android.widget.EditText;
-import android.widget.TextView;
 
 import org.ntlab.acanthus_client.R;
+import org.ntlab.acanthus_client.entities.AccountTokenJson;
 import org.ntlab.acanthus_client.resources.accounts.LoginRest;
 import org.ntlab.acanthus_client.views.MainActivity;
-import org.ntlab.acanthus_client.views.Main_menu_ui.home.HomeFragment;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -22,7 +22,7 @@
 //-----------------------------------------------------------------
 // ログイン画面
 public class LoginScreenActivity extends AppCompatActivity {
-    private EditText editNameTextView;
+    private EditText editEmailTextView;
     private EditText editPasswordTextView;
     private Button loginButton;
 
@@ -31,7 +31,8 @@
         super.onCreate(savedInstanceState);
         Retrofit retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(JacksonConverterFactory.create())
+
+  .addConverterFactory(JacksonConverterFactory.create())
                 .build();
 
         final LoginRest loginRest = retrofit.create(LoginRest.class);
@@ -41,10 +42,14 @@
 
         loginButton.setOnClickListener(v -> {
 
-            Call<Boolean> call = loginRest.hasLoginToken("1", "abc0");
-            call.enqueue(new Callback<Boolean>() {
+            String emailStr = editEmailTextView.getText().toString();
+            String password = editPasswordTextView.getText().toString();
+
+            // ログイン
+            Call<AccountTokenJson> call = loginRest.issueLoginToken(emailStr, password);
+            call.enqueue(new Callback<AccountTokenJson>() {
                 @Override
-                public void onResponse(Call<Boolean> call, Response<Boolean> response) {
+                public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
                     if (response.isSuccessful()) {
                         loginButton.setText("success");
                         Intent intent = new Intent(getApplication(), MainActivity.class);
@@ -54,7 +59,7 @@
                 }
 
                 @Override
-                public void onFailure(Call<Boolean> call, Throwable t) {
+                public void onFailure(Call<AccountTokenJson> call, Throwable t) {
                     loginButton.setText("failure");
                 }
             });
@@ -66,7 +71,7 @@
     //-----------------------------------------------------------------
     // 各種Viewの初期化
     private void initView() {
-        editNameTextView = findViewById(R.id.input_user_name);
+        editEmailTextView = findViewById(R.id.input_email);
         editPasswordTextView = findViewById(R.id.input_password);
         loginButton = (Button) findViewById(R.id.login_button);
     }
diff --git a/app/src/main/res/layout/activity_login_screen.xml b/app/src/main/res/layout/activity_login_screen.xml
index 001ad7e..6207014 100644
--- a/app/src/main/res/layout/activity_login_screen.xml
+++ b/app/src/main/res/layout/activity_login_screen.xml
@@ -7,17 +7,14 @@
     tools:context=".views.Login.LoginScreenActivity">
 
     <TextView
-        android:id="@+id/txt_name"
+        android:id="@+id/txt_email"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="60dp"
-        android:layout_marginTop="160dp"
-        android:layout_marginBottom="550dp"
-        android:text="名前"
-        app:layout_constraintBottom_toBottomOf="parent"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="130dp"
+        android:text="メールアドレス"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.0" />
+        app:layout_constraintTop_toTopOf="parent" />
 
     <Button
         android:id="@+id/login_button"
@@ -33,13 +30,27 @@
         app:layout_constraintTop_toTopOf="parent" />
 
     <EditText
+        android:id="@+id/input_email"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="72dp"
+        android:ems="10"
+        android:inputType="textEmailAddress"
+        android:text="d0@dummy.com"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.204" />
+
+    <EditText
         android:id="@+id/input_password"
         android:layout_width="210dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="100dp"
-        android:layout_marginEnd="60dp"
+        android:layout_marginEnd="50dp"
         android:ems="10"
         android:inputType="textPassword"
+        android:text="nittalab"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintHorizontal_bias="0.56"
@@ -47,21 +58,6 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.411" />
 
-    <EditText
-        android:id="@+id/input_user_name"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="90dp"
-        android:layout_marginEnd="80dp"
-        android:ems="10"
-        android:inputType="textPersonName"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.964"
-        app:layout_constraintStart_toEndOf="@+id/txt_name"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.233" />
-
     <TextView
         android:id="@+id/txt_password"
         android:layout_width="wrap_content"
@@ -71,5 +67,6 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.396" />
+        app:layout_constraintVertical_bias="0.41000003" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/xml/network_security_config.xml b/app/src/main/res/xml/network_security_config.xml
index 88ca4e8..e51fa8c 100644
--- a/app/src/main/res/xml/network_security_config.xml
+++ b/app/src/main/res/xml/network_security_config.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <network-security-config>
     <domain-config cleartextTrafficPermitted="true">
-        <domain includeSubdomains="true">http://nitta-lab-www.is.konan-u.ac.jp</domain>
+        <domain includeSubdomains="true">nitta-lab-www.is.konan-u.ac.jp</domain>
     </domain-config>
 </network-security-config>
\ No newline at end of file