diff --git a/app/src/main/java/jp/atled/agileworks/model/LogoutRepository.kt b/app/src/main/java/jp/atled/agileworks/model/LogoutRepository.kt
new file mode 100644
index 0000000000000000000000000000000000000000..590cb6f4f3f2e258672ed52024f6d141142eff6c
--- /dev/null
+++ b/app/src/main/java/jp/atled/agileworks/model/LogoutRepository.kt
@@ -0,0 +1,16 @@
+package jp.atled.agileworks.model
+
+import jp.atled.agileworks.model.api.ApiCallbackCommon
+import jp.atled.agileworks.model.api.ApiClient
+
+class LogoutRepository() {
+    fun getLogout(onResult: (isSuccess: Boolean) -> Unit) {
+        ApiClient.instanceLogout.getLogout().enqueue(ApiCallbackCommon(null) { isSuccess, _ ->
+            onResult(isSuccess)
+        })
+    }
+
+    companion object {
+        fun getInstance() = LogoutRepository()
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/jp/atled/agileworks/model/NotificationRepository.kt b/app/src/main/java/jp/atled/agileworks/model/NotificationRepository.kt
index 3d4a98dc9b21defac116e433b7233f3b602506fe..9dfd878841209ab81e5229d699adefd8dba800c5 100644
--- a/app/src/main/java/jp/atled/agileworks/model/NotificationRepository.kt
+++ b/app/src/main/java/jp/atled/agileworks/model/NotificationRepository.kt
@@ -4,6 +4,7 @@ import android.app.Activity
 import android.content.Context
 import android.util.Log
 import jp.atled.agileworks.AwApp
+import jp.atled.agileworks.model.api.ApiClient
 
 /**
  * 通知全般を扱うリポジトリ
@@ -18,7 +19,8 @@ class NotificationRepository {
 
     fun clearToken(onResult: (Boolean) -> Unit) {
         Log.d("AgileWorks", "firebase token clean")
-        DeviceInfoRepository().removeDeviceInfo {
+        ApiClient.reCreateLogout()
+        LogoutRepository.getInstance().getLogout {
             FcmRepository().removeFcmToken {
                 Log.d("AgileWorks", "firebase token clean -> ${successOrFailured(it)}")
                 onResult(it)
diff --git a/app/src/main/java/jp/atled/agileworks/model/api/ApiClient.kt b/app/src/main/java/jp/atled/agileworks/model/api/ApiClient.kt
index b50b5f770ca561760fdeea6ffd329a79e76dc2cd..b4ecb96856f08011e9582d9af65d890298b67013 100644
--- a/app/src/main/java/jp/atled/agileworks/model/api/ApiClient.kt
+++ b/app/src/main/java/jp/atled/agileworks/model/api/ApiClient.kt
@@ -18,11 +18,15 @@ import java.util.concurrent.TimeUnit
 
 object ApiClient {
 
-    var instance: ApiService = createRetofitInstance()
+    var instance: ApiService = createRetrofitInstance(false)
     fun reCreate() {
-        instance = createRetofitInstance()
+        instance = createRetrofitInstance(false)
     }
-    private fun createRetofitInstance(): ApiService {
+    var instanceLogout: ApiService = createRetrofitInstance(true)
+    fun reCreateLogout() {
+        instanceLogout = createRetrofitInstance(true)
+    }
+    private fun createRetrofitInstance(isLogout: Boolean): ApiService {
         return Retrofit.Builder().run {
             val moshi = Moshi.Builder()
                     .add(com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory())
@@ -30,7 +34,7 @@ object ApiClient {
 
             baseUrl(AwApp.Baseurl())
             addConverterFactory(MoshiConverterFactory.create(moshi))
-            client(createRequestInterceptorClient())
+            client(createRequestInterceptorClient(isLogout))
             build()
         }.create(ApiService::class.java)
 
@@ -131,14 +135,30 @@ object ApiClient {
         }
     }
 
-    private fun createRequestInterceptorClient(): OkHttpClient {
-        val interceptor = Interceptor { chain ->
+    private fun createRequestInterceptorClient(isLogout: Boolean): OkHttpClient {
+        var interceptor = Interceptor { chain ->
             val original = chain.request()
             val requestBuilder = original.newBuilder()
             val request = requestBuilder.build()
             chain.proceed(request)
         }
 
+        if (isLogout) {
+            // 保存しているセッションIDを取得
+            val cookiePref = AwApp.instance.applicationContext.getSharedPreferences("cookie", Context.MODE_PRIVATE)
+            val sessionId = cookiePref.getString("sessionId", "") ?: ""
+            interceptor = Interceptor { chain ->
+                val original = chain.request()
+                val requestBuilder = original.newBuilder()
+                val request = requestBuilder
+                    .addHeader("Cookie", "JSESSIONID=$sessionId")
+                    .build()
+                chain.proceed(request)
+            }
+            // 保存している情報削除
+            cookiePref.edit().clear().apply()
+        }
+
         return if (DEBUG) {
             OkHttpClient.Builder()
                     .addInterceptor(interceptor)
diff --git a/app/src/main/java/jp/atled/agileworks/model/api/ApiService.kt b/app/src/main/java/jp/atled/agileworks/model/api/ApiService.kt
index 11077cdaf4350a0cc0d205ccbaedb041a672c826..22c280b4e3a42fc92576063ee42364197f333a19 100644
--- a/app/src/main/java/jp/atled/agileworks/model/api/ApiService.kt
+++ b/app/src/main/java/jp/atled/agileworks/model/api/ApiService.kt
@@ -40,6 +40,10 @@ interface ApiService {
     @GET("Broker/MobileAppApi/Session")
     fun getSession(): Call<SessionResponse>
 
+    // ログアウトAPI
+    @GET("Broker/MobileAppApi/Logout")
+    fun getLogout(): Call<Unit>
+
     @FormUrlEncoded
     @POST("oauth2")
     fun refreshToken(
diff --git a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
index 5f340dfabc3f87b50d14d8603a4ae00c14e92df5..63f8a950086afa41f1724e6431e448e1ccf48855 100644
--- a/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
+++ b/app/src/main/java/jp/atled/agileworks/view/ui/documentweb/DocumentWebFragment.kt
@@ -292,6 +292,11 @@ class DocumentWebFragment : Fragment(), DocumentWebPresenter {
                         response!!.session_id?.apply {
                             sessionId = response!!.session_id
                             setCookie("https://${uri.host}", "JSESSIONID=${sessionId}; Path=/AgileWorks; HttpOnly;Secure;SameSite=None")
+                            // セッションID保存
+                            AwApp.instance.applicationContext.getSharedPreferences("cookie", Context.MODE_PRIVATE)
+                                .edit()
+                                .putString("sessionId", sessionId)
+                                .apply()
                         }
                         if (urlLoading) {
                             webview?.let {