diff --git a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
index 3ca53a4..496f92e 100644
--- a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
+++ b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
@@ -85,14 +85,14 @@
 
     //-----------------------------------------------
     @GET("rooms/{rid}/game/turns/{tno}/hint")
-    Call<Boolean[]> getHint(
+    Call<String> getHint(
             @Path("rid") String rid,
             @Path("tno") Integer tno
     );
 
     //-----------------------------------------------
     @GET("rooms/{rid}/game/turns/{tno}/Max")
-    Call<Boolean[]> getMax(
+    Call<Integer> getMax(
             @Path("rid") String rid,
             @Path("tno") Integer tno
     );
@@ -102,7 +102,7 @@
     //-----------------------------------------------
     // tnoに指定したターンに開けたカードのcnoを取得するメソッド
     @GET("rooms/{rid}/game/turns/{tno}/openlist")
-    Call<List<Cell>> getOpenList(
+    Call<List<Integer>> getOpenList(
             @Path("rid") String rid,
             @Path("tno") Integer tno
     );
@@ -121,7 +121,7 @@
     //-----------------------------------------------
     // マスターのヒントを送信するメソッド + 最大回答数も送信
     @PUT("rooms/{rid}/game/turns/{tno}/hint")
-    Call<TurnJson> putHint(
+    Call<Void> putHint(
             @Path("rid") String rid,
             @Path("tno") int tno,
             @Field("hint") String hint,
diff --git a/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java b/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
index f2fb8ec..7705ea9 100644
--- a/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
+++ b/app/src/main/java/org/ntlab/irisclient/viewmodels/GameViewModel.java
@@ -25,9 +25,9 @@
 
     final private MutableLiveData<String> turnsMutableLiveData;
     //final private MutableLiveData<TurnJson> turnMutableLiveData;
-    final private MutableLiveData<Boolean[]> hintMutableLiveData;
-    final private MutableLiveData<List<Cell>> openListMutableLiveData;
-    final private MutableLiveData<Boolean[]> maxMutableLiveData;
+    final private MutableLiveData<String> hintMutableLiveData;
+    final private MutableLiveData<List<Integer>> openListMutableLiveData;
+    final private MutableLiveData<Integer> maxMutableLiveData;
     final private MutableLiveData<List<String>> colorMutableLiveData;
     final private MutableLiveData<List<Boolean>> opensMutableLiveData;
     final private MutableLiveData<List<Integer>> mapMutableLiveData;
@@ -41,9 +41,9 @@
     private String turnsPreData = null;
     private TurnJson turnPreData = null;
 
-    private Boolean[] hintPreData = null;
-    private List<Cell> openListPreData = null;
-    private Boolean[] maxPreData = null;
+    private String hintPreData = null;
+    private List<Integer> openListPreData = null;
+    private Integer maxPreData = null;
 
     private List<Boolean> opensPreData = null;
     private Boolean[] QPreData = null;
@@ -95,13 +95,13 @@
 //    public LiveData<TurnJson> getTurnLiveData() {
 //        return this.turnMutableLiveData;
 //    }
-    public LiveData<Boolean[]> getHintLiveData() {
+    public LiveData<String> getHintLiveData() {
         return this.hintMutableLiveData;
     }
-    public LiveData<List<Cell>> getopenListLiveData() {
+    public LiveData<List<Integer>> getopenListLiveData() {
         return this.openListMutableLiveData;
     }
-    public LiveData<Boolean[]> getmaxLiveData() {
+    public LiveData<Integer> getmaxLiveData() {
         return this.maxMutableLiveData;
     }
     public LiveData<List<Boolean>> getOpenLiveData() {
@@ -119,17 +119,17 @@
 
     //マスターのヒント、最大回答数を送信
     public void sendHint(String hint, Integer max) {
-        Call<TurnJson> call = gameRest.putHint(rid, tno, hint, max);
+        Call<Void> call = gameRest.putHint(rid, tno, hint, max);
 
-        call.enqueue(new Callback<TurnJson>() {
+        call.enqueue(new Callback<Void>() {
             @Override
-            public void onResponse(Call<TurnJson> call, Response<TurnJson> response) {
+            public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()){
                     System.out.println("通信成功:sendHint");
                 }
             }
             @Override
-            public void onFailure(Call<TurnJson> call, Throwable t) {
+            public void onFailure(Call<Void> call, Throwable t) {
                 System.out.println("通信失敗:sendHint");
                 System.out.println(t);
             }
@@ -353,11 +353,11 @@
 
     //Hintの更新
     public void updateHint() {
-        Call<Boolean[]> call = gameRest.getHint(rid, tno);
+        Call<String> call = gameRest.getHint(rid, tno);
 
-        call.enqueue(new Callback<Boolean[]>() {
+        call.enqueue(new Callback<String>() {
             @Override
-            public void onResponse(Call<Boolean[]> call, Response<Boolean[]> response) {
+            public void onResponse(Call<String> call, Response<String> response) {
                 if (response.isSuccessful()){
                     if(hintPreData == null){
                         //初回代入
@@ -374,7 +374,7 @@
             }
 
             @Override
-            public void onFailure(Call<Boolean[]> call, Throwable t) {
+            public void onFailure(Call<String> call, Throwable t) {
                 System.out.println("通信失敗:updateHint");
                 System.out.println(t);
             }
@@ -383,11 +383,11 @@
 
     //OpenListの更新
     public void updateOpenList() {
-        Call<List<Cell>> call = gameRest.getOpenList(rid, tno);
+        Call<List<Integer>> call = gameRest.getOpenList(rid, tno);
 
-        call.enqueue(new Callback<List<Cell>>() {
+        call.enqueue(new Callback<List<Integer>>() {
             @Override
-            public void onResponse(Call<List<Cell>> call, Response<List<Cell>> response) {
+            public void onResponse(Call<List<Integer>> call, Response<List<Integer>> response) {
                 if (response.isSuccessful()){
                     if(openListPreData == null){
                         //初回代入
@@ -404,7 +404,7 @@
             }
 
             @Override
-            public void onFailure(Call<List<Cell>> call, Throwable t) {
+            public void onFailure(Call<List<Integer>> call, Throwable t) {
                 System.out.println("通信失敗:updateOpenList");
                 System.out.println(t);
             }
@@ -413,11 +413,11 @@
 
     //Maxの更新
     public void updateMax() {
-        Call<Boolean[]> call = gameRest.getMax(rid, tno);
+        Call<Integer> call = gameRest.getMax(rid, tno);
 
-        call.enqueue(new Callback<Boolean[]>() {
+        call.enqueue(new Callback<Integer>() {
             @Override
-            public void onResponse(Call<Boolean[]> call, Response<Boolean[]> response) {
+            public void onResponse(Call<Integer> call, Response<Integer> response) {
                 if (response.isSuccessful()){
                     if(maxPreData == null){
                         //初回代入
@@ -434,7 +434,7 @@
             }
 
             @Override
-            public void onFailure(Call<Boolean[]> call, Throwable t) {
+            public void onFailure(Call<Integer> call, Throwable t) {
                 System.out.println("通信失敗:updateMax");
                 System.out.println(t);
             }