diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 300967e..74960d1 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -9,36 +9,32 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".views.SigninActivity">
+        <activity
+            android:name=".views.ForgotPasswordActivity"
+            android:theme="@style/AppTheme.NoActionBar"></activity>
+        <activity
+            android:name=".views.SigninActivity"
+            android:theme="@style/AppTheme.NoActionBar">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-
-        <activity android:name=".views.SignupActivity" />
-        <activity android:name=".MainActivity">
-
-        </activity>
-
-
+        <activity
+            android:name=".views.SignupActivity"
+            android:theme="@style/AppTheme.NoActionBar" />
+        <activity android:name=".MainActivity"></activity>
         <activity
             android:name=".views.RequestListActivity"
             android:label="@string/title_activity_request_list"
-            android:theme="@style/AppTheme.NoActionBar">
-        </activity>
-
-        <activity android:name=".views.DisplayQRActivity"></activity>
+            android:theme="@style/AppTheme.NoActionBar"></activity>
+        <activity android:name=".views.DisplayQRActivity" />
         <activity android:name=".views.AddMemberActivity" />
-
         <activity
             android:name=".views.GroupList"
             android:label="@string/title_activity_group_list"
-            android:theme="@style/AppTheme.NoActionBar"></activity>
-
-
-
+            android:theme="@style/AppTheme.NoActionBar" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java b/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java
new file mode 100644
index 0000000..21eeb66
--- /dev/null
+++ b/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java
@@ -0,0 +1,33 @@
+package com.example.cosmosclient.views;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.cosmosclient.R;
+
+public class ForgotPasswordActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_forgot_password);
+
+        EditText EmailAddressText = findViewById(R.id.EMailAddressText);
+        Button SendButton = findViewById(R.id.SendButton);
+
+        SendButton.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                //メールアドレスをサーバに送信する処理の予定
+                Toast.makeText(ForgotPasswordActivity.this, "入力されたアドレスにメールを送信しました", Toast.LENGTH_SHORT).show();
+                finish();
+            }
+        });
+
+
+    }
+}
diff --git a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
index 2fed0e0..5e011e5 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
@@ -19,7 +19,7 @@
         //各種IDを取得
         Button SigninButton = findViewById(R.id.SigninButton);
         Button SignupButton = findViewById(R.id.SignupButton);
-        EditText EmailAddressText = findViewById(R.id.EMailAddressText);
+        final EditText EmailAddressText = findViewById(R.id.EMailAddressText);
         EditText PasswordText = findViewById(R.id.PasswordText);
         Button ForgotPasswordButton = findViewById(R.id.ForgotPasswordButton);
 
@@ -42,5 +42,15 @@
                 finish();
             }
         });
+
+        //パスワード再登録画面への遷移処理
+        ForgotPasswordButton.setOnClickListener(new View.OnClickListener(){
+            @Override
+            public void onClick(View v){
+                Intent intent = new Intent(getApplication(), ForgotPasswordActivity.class);
+                startActivity(intent);
+                //finish();
+            }
+        });
     }
 }
diff --git a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
index c738fa8..0e78ee8 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
@@ -28,6 +28,8 @@
             @Override
             public void onClick(View v){
                 Intent intent = new Intent(getApplication(), GroupList.class);
+
+                
                 startActivity(intent);
                 finish();
             }
diff --git a/app/src/main/res/layout/activity_forgot_password.xml b/app/src/main/res/layout/activity_forgot_password.xml
new file mode 100644
index 0000000..c1e1042
--- /dev/null
+++ b/app/src/main/res/layout/activity_forgot_password.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.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.ForgotPasswordActivity">
+
+    <TextView
+        android:id="@+id/textView8"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="56dp"
+        android:layout_marginLeft="56dp"
+        android:layout_marginTop="60dp"
+        android:text="パスワードの再設定"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView9"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="56dp"
+        android:layout_marginLeft="56dp"
+        android:layout_marginTop="28dp"
+        android:text="メールアドレスを入力してください"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/textView8" />
+
+    <EditText
+        android:id="@+id/EMailAddressText"
+        android:layout_width="294dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:ems="10"
+        android:hint="@string/e_mail_address"
+        android:inputType="textEmailAddress"
+        app:layout_constraintStart_toStartOf="@+id/textView9"
+        app:layout_constraintTop_toBottomOf="@+id/textView9" />
+
+    <Button
+        android:id="@+id/SendButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="160dp"
+        android:layout_marginLeft="160dp"
+        android:layout_marginTop="24dp"
+        android:text="送信"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/EMailAddressText" />
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file