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 e6369c9..20a4c69 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
@@ -1,14 +1,22 @@
 package org.ntlab.acanthus_client.views.Login;
 
+import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
 
+import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
 import android.text.Editable;
+import android.text.Layout;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.EditText;
 
 import org.ntlab.acanthus_client.R;
+import org.ntlab.acanthus_client.databinding.ActivityLoginScreenBinding;
 import org.ntlab.acanthus_client.entities.AccountTokenJson;
 import org.ntlab.acanthus_client.resources.accounts.LoginRest;
 import org.ntlab.acanthus_client.views.MainActivity;
@@ -22,26 +30,32 @@
 //-----------------------------------------------------------------
 // ログイン画面
 public class LoginScreenActivity extends AppCompatActivity {
-    private EditText editEmailTextView;
-    private EditText editPasswordTextView;
-    private Button loginButton;
 
+    //-----------------------------------------------------------------
+    //
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         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);
 
         setContentView(R.layout.activity_login_screen);
-        initView();
+
+        onClicked(loginRest);
+
+    }
+    //-----------------------------------------------------------------
+    // ログインボタン押下時の処理
+    private void onClicked(LoginRest loginRest) {
+
+        EditText editEmailTextView = findViewById(R.id.input_email);
+        EditText editPasswordTextView = findViewById(R.id.input_password);
+        Button loginButton = (Button) findViewById(R.id.login_button);
 
         loginButton.setOnClickListener(v -> {
-
             String emailStr = editEmailTextView.getText().toString();
             String password = editPasswordTextView.getText().toString();
 
@@ -50,12 +64,8 @@
             call.enqueue(new Callback<AccountTokenJson>() {
                 @Override
                 public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
-                    if (response.isSuccessful()) {
-                        loginButton.setText("success");
-                        Intent intent = new Intent(getApplication(), MainActivity.class);
-                        startActivity(intent);
-                        finish();
-                    } else loginButton.setText("faild");
+                    if (response.isSuccessful()) succeedLogin();
+                    else loginButton.setText("Faild");
                 }
 
                 @Override
@@ -64,17 +74,13 @@
                 }
             });
         });
-
-    }
-
-    //-----------------------------------------------------------------
-    //-----------------------------------------------------------------
-    // 各種Viewの初期化
-    private void initView() {
-        editEmailTextView = findViewById(R.id.input_email);
-        editPasswordTextView = findViewById(R.id.input_password);
-        loginButton = (Button) findViewById(R.id.login_button);
     }
     //-----------------------------------------------------------------
-
+    // ログイン成功時の処理
+    private void succeedLogin(){
+        Intent intent = new Intent(getApplication(), MainActivity.class);
+        startActivity(intent);
+        finish();
+    }
+    //-----------------------------------------------------------------
 }
\ No newline at end of file