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 e8a3e82..675c3b9 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
@@ -41,22 +41,6 @@
             @Path("uid")String uidStr,
             @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
index 630ee4b..228511b 100644
--- 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
@@ -1,4 +1,31 @@
 package org.ntlab.acanthus_client.resources.accounts;
 
+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;
+
 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/LoginScreenViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
index b07115b..cffc864 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/login/LoginScreenViewModel.java
@@ -8,7 +8,7 @@
 
 import org.ntlab.acanthus_client.Acanthus;
 import org.ntlab.acanthus_client.entities.AccountTokenJson;
-import org.ntlab.acanthus_client.resources.accounts.AccountsRest;
+import org.ntlab.acanthus_client.resources.accounts.LoginRest;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -43,13 +43,13 @@
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
-        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
+        final LoginRest loginRest = retrofit.create(LoginRest.class);
 
         String emailAddress = emailForm.getText().toString();
         String password = passwordForm.getText().toString();
 
         // ログイン
-        Call<AccountTokenJson> call = accountsRest.issueLoginToken(emailAddress, password);
+        Call<AccountTokenJson> call = loginRest.issueLoginToken(emailAddress, password);
         call.enqueue(new Callback<AccountTokenJson>() {
             @Override
             public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
@@ -67,13 +67,13 @@
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
-        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
+        final LoginRest loginRest = retrofit.create(LoginRest.class);
 
         String emailAddress = emailForm;
         String password = passwordForm;
 
         // ログイン
-        Call<AccountTokenJson> call = accountsRest.issueLoginToken(emailAddress, password);
+        Call<AccountTokenJson> call = loginRest.issueLoginToken(emailAddress, password);
         call.enqueue(new Callback<AccountTokenJson>() {
             @Override
             public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleViewModel.java
index b769bce..ebd9c5c 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/title/TitleViewModel.java
@@ -8,6 +8,7 @@
 import org.ntlab.acanthus_client.Acanthus;
 import org.ntlab.acanthus_client.entities.AccountTokenJson;
 import org.ntlab.acanthus_client.resources.accounts.AccountsRest;
+import org.ntlab.acanthus_client.resources.accounts.LoginRest;
 
 import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
@@ -41,13 +42,13 @@
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
-        final AccountsRest accountsRest = retrofit.create(AccountsRest.class);
+        final LoginRest loginRest = retrofit.create(LoginRest.class);
 
         String emailAddress = emailForm;
         String password = passwordForm;
 
         // ログイン
-        Call<AccountTokenJson> call = accountsRest.issueLoginToken(emailAddress, password);
+        Call<AccountTokenJson> call = loginRest.issueLoginToken(emailAddress, password);
         call.enqueue(new Callback<AccountTokenJson>() {
             @Override
             public void onResponse(Call<AccountTokenJson> call, Response<AccountTokenJson> response) {