diff --git a/.idea/misc.xml b/.idea/misc.xml
index 860da66..d5d35ec 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d137616..8d6c6a8 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,14 +12,17 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.Acanthus"
         android:usesCleartextTraffic="true">
-        <activity android:name=".views.Paint.PaintActivity"></activity>
-        <activity android:name=".views.Login.LoginScreenActivity">
+        <activity android:name=".views.SignUp.SignUpActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".views.Paint.PaintActivity"></activity>
+        <activity android:name=".views.Login.LoginScreenActivity">
+
+        </activity>
         <activity
             android:name=".views.MainActivity"
             android:label="@string/title_activity_main" />
diff --git a/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java b/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
index 7560890..c4c6944 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/Acanthus.java
@@ -3,5 +3,7 @@
 import android.app.Application;
 
 public class Acanthus extends Application {
+    private String password;
+    private String email;
 
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/AccountsRest.java b/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/AccountsRest.java
index eb5af07..e8a3e82 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/AccountsRest.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/AccountsRest.java
@@ -2,6 +2,7 @@
 
 import org.ntlab.acanthus_client.entities.Account;
 import org.ntlab.acanthus_client.entities.AccountJson;
+import org.ntlab.acanthus_client.entities.AccountTokenJson;
 import org.ntlab.acanthus_client.entities.AccountUidJson;
 
 import java.util.Collection;
@@ -11,6 +12,7 @@
 import retrofit2.http.FormUrlEncoded;
 import retrofit2.http.GET;
 import retrofit2.http.POST;
+import retrofit2.http.PUT;
 import retrofit2.http.Path;
 import retrofit2.http.Query;
 
@@ -40,5 +42,21 @@
             @Query("token")String token
     );
     //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // トークン認証
+    @GET("accounts/login")
+    Call<Boolean> hasLoginToken(
+            @Query("uid") String uidStr,
+            @Query("token") String token
+    );
 
+    //-----------------------------------------------------------------
+    // トークンの発行
+    @FormUrlEncoded
+    @PUT("accounts/login")
+    Call<AccountTokenJson> issueLoginToken(
+            @Field("email")String email,
+            @Field("password")String password
+    );
+    //-----------------------------------------------------------------
 }
diff --git a/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/LoginRest.java b/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/LoginRest.java
deleted file mode 100644
index a70eece..0000000
--- a/app/src/main/java/org/ntlab/acanthus_client/resources/accounts/LoginRest.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package org.ntlab.acanthus_client.resources.accounts;
-
-import org.ntlab.acanthus_client.entities.AccountJson;
-import org.ntlab.acanthus_client.entities.AccountTokenJson;
-
-import retrofit2.Call;
-import retrofit2.http.Field;
-import retrofit2.http.FormUrlEncoded;
-import retrofit2.http.GET;
-import retrofit2.http.PUT;
-import retrofit2.http.Query;
-
-//-----------------------------------------------------------------
-// RestAPI: accounts/login
-public interface LoginRest {
-
-    //-----------------------------------------------------------------
-    // トークン認証
-    @GET("accounts/login")
-    Call<Boolean> hasLoginToken(
-            @Query("uid") String uidStr,
-            @Query("token") String token
-    );
-
-    //-----------------------------------------------------------------
-    // トークンの発行
-    @FormUrlEncoded
-    @PUT("accounts/login")
-    Call<AccountTokenJson> issueLoginToken(
-            @Field("email")String email,
-            @Field("password")String password
-    );
-    //-----------------------------------------------------------------
-}
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 08a410b..6154b1d 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
@@ -1,26 +1,21 @@
 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 android.widget.TextView;
 
 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.resources.accounts.AccountsRest;
 import org.ntlab.acanthus_client.views.MainActivity;
 import org.ntlab.acanthus_client.views.Paint.PaintActivity;
+import org.ntlab.acanthus_client.views.SignUp.SignUpActivity;
+
+import java.util.ArrayList;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -33,35 +28,57 @@
 public class LoginScreenActivity extends AppCompatActivity {
 
     //-----------------------------------------------------------------
+    // 各Viewの列挙型
+    public enum EditTexts {
+        emailForm(0), passwordForm(1), loginButton(2), redoSignUpButton(3);
+
+        private int textId;
+
+        //-----------------------------------------------------------------
+        private EditTexts(int textId) {
+            this.textId = textId;
+        }
+
+        //-----------------------------------------------------------------
+        // getter
+        public int getTextId() {
+            return this.textId;
+        }
+    }
+
+    //-----------------------------------------------------------------
+    private ArrayList<TextView> views = new ArrayList<>();
+
+    //-----------------------------------------------------------------
     //
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login_screen);
+        initView();
+
         Retrofit retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
-        final LoginRest loginRest = retrofit.create(LoginRest.class);
+        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
 
-        setContentView(R.layout.activity_login_screen);
-
-        onClicked(loginRest);
+        onClickLogin(accountsRest);
+        onClickSignUp();
 
     }
+
     //-----------------------------------------------------------------
     // 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);
+    private void onClickLogin(AccountsRest accountsRest) {
+        Button loginButton = (Button) views.get(EditTexts.loginButton.getTextId());
 
         loginButton.setOnClickListener(v -> {
-            String emailStr = editEmailTextView.getText().toString();
-            String password = editPasswordTextView.getText().toString();
+            String emailAddress = views.get(EditTexts.emailForm.getTextId()).getText().toString();
+            String password = views.get(EditTexts.passwordForm.getTextId()).getText().toString();
 
             // ログイン
-            Call<AccountTokenJson> call = loginRest.issueLoginToken(emailStr, password);
+            Call<AccountTokenJson> call = accountsRest.issueLoginToken(emailAddress, password);
             call.enqueue(new Callback<AccountTokenJson>() {
                 @Override
                 public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
@@ -76,12 +93,40 @@
             });
         });
     }
+
+    //-----------------------------------------------------------------
+    // サインアップ画面に遷移
+    private void onClickSignUp() {
+        Button signUpButton = (Button) views.get(EditTexts.redoSignUpButton.getTextId());
+
+        signUpButton.setOnClickListener(v -> {
+            transitionActivity(new SignUpActivity());
+        });
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    //
+    private void initView() {
+        views.add(findViewById(R.id.editTextTextLoginEmail));
+        views.add(findViewById(R.id.editTextTextLoginPassword));
+        views.add(findViewById(R.id.buttonLoginLogin));
+        views.add(findViewById(R.id.buttonRedoSignUp));
+    }
+
     //-----------------------------------------------------------------
     // ログイン成功時の処理
-    private void succeedLogin(){
-        Intent intent = new Intent(getApplication(), MainActivity.class);
+    private void succeedLogin() {
+        transitionActivity(new MainActivity());
+    }
+
+    //-----------------------------------------------------------------
+    // ログイン成功時の処理
+    private void transitionActivity(AppCompatActivity appCompatActivity) {
+        Intent intent = new Intent(getApplication(), appCompatActivity.getClass());
         startActivity(intent);
         finish();
     }
     //-----------------------------------------------------------------
+
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/Main_menu_ui/home/HomeViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/Main_menu_ui/home/HomeViewModel.java
index 2fe991c..5e40da0 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/Main_menu_ui/home/HomeViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/Main_menu_ui/home/HomeViewModel.java
@@ -1,17 +1,13 @@
 package org.ntlab.acanthus_client.views.Main_menu_ui.home;
 
-import android.os.Bundle;
 import android.widget.EditText;
 
-import org.ntlab.acanthus_client.R;
-import org.ntlab.acanthus_client.entities.AccountTokenJson;
 import org.ntlab.acanthus_client.resources.accounts.HelloWorldRest;
-import org.ntlab.acanthus_client.resources.accounts.LoginRest;
 
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
-import okhttp3.ResponseBody;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/SignUp/SignUpActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/SignUp/SignUpActivity.java
new file mode 100644
index 0000000..cc84d7d
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/SignUp/SignUpActivity.java
@@ -0,0 +1,136 @@
+package org.ntlab.acanthus_client.views.SignUp;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import org.ntlab.acanthus_client.R;
+import org.ntlab.acanthus_client.entities.AccountUidJson;
+import org.ntlab.acanthus_client.resources.accounts.AccountsRest;
+import org.ntlab.acanthus_client.views.Login.LoginScreenActivity;
+import org.ntlab.acanthus_client.views.MainActivity;
+
+import java.util.ArrayList;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+//-----------------------------------------------------------------
+//
+public class SignUpActivity extends AppCompatActivity {
+    //-----------------------------------------------------------------
+    // 各Viewの列挙型
+    public enum EditTexts {
+        nameForm(0), emailForm(1), passwordForm(2), signUpButton(3), loginButton(4);
+
+        private int textId;
+
+        //-----------------------------------------------------------------
+        private EditTexts(int textId) {
+            this.textId = textId;
+        }
+
+        //-----------------------------------------------------------------
+        // getter
+        public int getTextId() {
+            return this.textId;
+        }
+    }
+
+    //-----------------------------------------------------------------
+    private ArrayList<TextView> views = new ArrayList<>();
+
+    //-----------------------------------------------------------------
+    //
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_sign_up);
+        initView();
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
+
+        onClickSignUp(accountsRest);
+        onClickAlreadyLoggedIn();
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // サインアップ時押下時
+    private void onClickSignUp(AccountsRest accountsRest) {
+        Button signUpButton = (Button) views.get(EditTexts.signUpButton.getTextId());
+
+        //
+        signUpButton.setOnClickListener(v -> {
+            String name = views.get(EditTexts.nameForm.getTextId()).getText().toString();
+            ;
+            String emailAddress = views.get(EditTexts.emailForm.getTextId()).getText().toString();
+            ;
+            String password = views.get(EditTexts.passwordForm.getTextId()).getText().toString();
+            ;
+
+            Call<AccountUidJson> call = accountsRest.createAccount(name, emailAddress, password);
+            call.enqueue(new Callback<AccountUidJson>() {
+                @Override
+                public void onResponse(Call<AccountUidJson> call, Response<AccountUidJson> response) {
+                    if (response.isSuccessful()) transitionLoginActivity();
+                    else clearForm();
+                }
+
+                @Override
+                public void onFailure(Call<AccountUidJson> call, Throwable t) {
+                }
+            });
+        });
+    }
+
+    //-----------------------------------------------------------------
+    // アカウント所持ボタン押下処理
+    private void onClickAlreadyLoggedIn() {
+        Button alreadyLoggedInButton = (Button) views.get(EditTexts.loginButton.getTextId());
+
+        // ログイン画面に遷移
+        alreadyLoggedInButton.setOnClickListener(v -> {
+            transitionLoginActivity();
+        });
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // ログイン画面遷移
+    private void transitionLoginActivity() {
+        Intent intent = new Intent(getApplication(), LoginScreenActivity.class);
+        startActivity(intent);
+        finish();
+    }
+
+    //-----------------------------------------------------------------
+    // 登録内容のクリア
+    private void clearForm() {
+        for (int i = EditTexts.nameForm.getTextId(); i <= EditTexts.passwordForm.getTextId(); i++) {
+            views.get(i).getEditableText().clear();
+        }
+
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    //
+    private void initView() {
+        views.add(findViewById(R.id.editTextTextSignUpPersonName));
+        views.add(findViewById(R.id.editTextTextSignUpEmailAddress));
+        views.add(findViewById(R.id.editTextTextSignUpPassword));
+        views.add(findViewById(R.id.buttonSignUpRegister));
+        views.add(findViewById(R.id.buttonAlreadyLoggedIn));
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_login_screen.xml b/app/src/main/res/layout/activity_login_screen.xml
index 6207014..19edf2b 100644
--- a/app/src/main/res/layout/activity_login_screen.xml
+++ b/app/src/main/res/layout/activity_login_screen.xml
@@ -7,7 +7,7 @@
     tools:context=".views.Login.LoginScreenActivity">
 
     <TextView
-        android:id="@+id/txt_email"
+        android:id="@+id/textLoginEmail"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
@@ -17,20 +17,18 @@
         app:layout_constraintTop_toTopOf="parent" />
 
     <Button
-        android:id="@+id/login_button"
+        android:id="@+id/buttonLoginLogin"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginStart="280dp"
+        android:layout_marginStart="240dp"
         android:layout_marginTop="400dp"
-        android:layout_marginEnd="160dp"
         android:text="ログイン"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
     <EditText
-        android:id="@+id/input_email"
+        android:id="@+id/editTextTextLoginEmail"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginEnd="72dp"
@@ -43,7 +41,7 @@
         app:layout_constraintVertical_bias="0.204" />
 
     <EditText
-        android:id="@+id/input_password"
+        android:id="@+id/editTextTextLoginPassword"
         android:layout_width="210dp"
         android:layout_height="wrap_content"
         android:layout_marginStart="100dp"
@@ -59,7 +57,7 @@
         app:layout_constraintVertical_bias="0.411" />
 
     <TextView
-        android:id="@+id/txt_password"
+        android:id="@+id/textLoginPassword"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginStart="40dp"
@@ -69,4 +67,15 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.41000003" />
 
+    <Button
+        android:id="@+id/buttonRedoSignUp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="60dp"
+        android:text="新規登録する"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.585" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_sign_up.xml b/app/src/main/res/layout/activity_sign_up.xml
new file mode 100644
index 0000000..b282814
--- /dev/null
+++ b/app/src/main/res/layout/activity_sign_up.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".views.SignUp.SignUpActivity">
+
+    <TextView
+        android:id="@+id/textAcanthus"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="660dp"
+        android:text="Acanthusへようこそ"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.497"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="1.0" />
+
+    <EditText
+        android:id="@+id/editTextTextSignUpPersonName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="64dp"
+        android:layout_marginBottom="520dp"
+        android:ems="10"
+        android:inputType="textPersonName"
+        android:text="name"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.746" />
+
+    <EditText
+        android:id="@+id/editTextTextSignUpEmailAddress"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="64dp"
+        android:layout_marginBottom="400dp"
+        android:ems="10"
+        android:inputType="textEmailAddress"
+        android:text="@dummy.com"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.643" />
+
+    <TextView
+        android:id="@+id/textSignUpPassword"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="28dp"
+        android:layout_marginBottom="260dp"
+        android:text="パスワード"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.59" />
+
+    <TextView
+        android:id="@+id/textSignEmail"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginBottom="400dp"
+        android:text="メールアドレス"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.631" />
+
+    <TextView
+        android:id="@+id/textSignName"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="48dp"
+        android:layout_marginBottom="540dp"
+        android:text="名前"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.738" />
+
+    <Button
+        android:id="@+id/buttonSignUpRegister"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="60dp"
+        android:text="新規登録"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.905"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <EditText
+        android:id="@+id/editTextTextSignUpPassword"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="64dp"
+        android:layout_marginBottom="260dp"
+        android:ems="10"
+        android:inputType="textPassword"
+        android:text="nittalab"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.598" />
+
+    <Button
+        android:id="@+id/buttonAlreadyLoggedIn"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="既にアカウントをお持ちの方"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.601" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file