diff --git a/app/src/main/kotlin/jackall/moncalc/Contract/MainServiceContract.kt b/app/src/main/kotlin/jackall/moncalc/Contract/MainServiceContract.kt
deleted file mode 100644
index e3cea4c..0000000
--- a/app/src/main/kotlin/jackall/moncalc/Contract/MainServiceContract.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package jackall.moncalc.Contract
-
-/**
- * Created by matsumoto_k on 2017/11/01.
- */
-interface MainServiceContract {
-    fun showMoveView()
-    fun showRegistView()
-    fun finish()
-}
\ No newline at end of file
diff --git a/app/src/main/kotlin/jackall/moncalc/contract/MainServiceContract.kt b/app/src/main/kotlin/jackall/moncalc/contract/MainServiceContract.kt
new file mode 100644
index 0000000..dc883c8
--- /dev/null
+++ b/app/src/main/kotlin/jackall/moncalc/contract/MainServiceContract.kt
@@ -0,0 +1,10 @@
+package jackall.moncalc.contract
+
+/**
+ * Created by matsumoto_k on 2017/11/01.
+ */
+interface MainServiceContract {
+    fun showMoveView()
+    fun showRegistView()
+    fun finish()
+}
\ No newline at end of file
diff --git a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
index bed5f86..bb3ed1b 100644
--- a/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
+++ b/app/src/main/kotlin/jackall/moncalc/service/MainService.kt
@@ -12,7 +12,7 @@
 import android.view.*
 import android.widget.ArrayAdapter
 import jackall.moncalc.Const
-import jackall.moncalc.Contract.MainServiceContract
+import jackall.moncalc.contract.MainServiceContract
 import jackall.moncalc.R
 import jackall.moncalc.common.PreferenceKeys
 import jackall.moncalc.common.PreferenceNames
diff --git a/app/src/main/kotlin/jackall/moncalc/viewmodel/OverlayRegistViewModel.kt b/app/src/main/kotlin/jackall/moncalc/viewmodel/OverlayRegistViewModel.kt
index cbf1c4d..8db0562 100644
--- a/app/src/main/kotlin/jackall/moncalc/viewmodel/OverlayRegistViewModel.kt
+++ b/app/src/main/kotlin/jackall/moncalc/viewmodel/OverlayRegistViewModel.kt
@@ -5,7 +5,7 @@
 import android.view.View
 import android.widget.Toast
 import jackall.moncalc.App
-import jackall.moncalc.Contract.MainServiceContract
+import jackall.moncalc.contract.MainServiceContract
 import jackall.moncalc.db.MonstDataRealmHelper
 import jackall.moncalc.db.QuestRecordRealmHelper
 import jackall.moncalc.vo.Fruit