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,