diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 133f148..ab50c5c 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -55,6 +55,22 @@
                 <!--                    android:path="/oauth2redirect"-->
                 <!--                    android:scheme="https" />-->
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="openid4vp" />
+            </intent-filter>
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="https"
+                    android:host="www.ownd-project.com"
+                    android:path="/wallet" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".SplashActivity"
@@ -82,7 +98,7 @@
             </intent-filter>
         </activity>
         <activity
-            android:name=".IdTokenSharingActivity"
+            android:name=".TokenSharingActivity"
             android:exported="true"
             android:theme="@style/Theme.Tw2023walletandroid">
         </activity>
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/MainActivity.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/MainActivity.kt
index 7559e8a..1d4b27a 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/MainActivity.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/MainActivity.kt
@@ -1,6 +1,7 @@
 package com.ownd_project.tw2023_wallet_android
 
 import android.app.Activity
+import android.content.Intent
 import android.graphics.drawable.ColorDrawable
 import android.net.Uri
 import android.os.Bundle
@@ -78,20 +79,28 @@ class MainActivity : AppCompatActivity() {
                     }
                 }
             }
-
             // URIからパラメータを抽出
             data?.let {
-                // ここでパラメータを処理
-                val parameterValue = it.getQueryParameter("credential_offer") // クエリパラメータの取得
-
-                // credential_offerがある場合発行画面に遷移する
-                if (!parameterValue.isNullOrEmpty()) {
-                    val bundle = Bundle().apply {
-                        putString("parameterValue", parameterValue)
+                Log.d("MainActivity", "uri: $it")
+                when (data.scheme) {
+                    "openid4vp" -> {
+                        handleVp(it)
+                    }
+                    "openid-credential-offer" -> {
+                        handleOffer(it, navController)
+                    }
+                    "https" -> {
+                        // App link
+                        if (it.getQueryParameter("credential_offer").isNullOrEmpty()){
+                            handleVp(it)
+                        }else{
+                            handleOffer(it, navController)
+                        }
+                    }
+                    else -> {
+                       Log.d("MainActivity", "unknown scheme: ${data.scheme}")
                     }
-                    navController.navigate(R.id.action_to_confirmation, bundle)
                 }
-
             }
         }
 
@@ -103,6 +112,27 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+    private fun handleOffer(uri: Uri, navController: androidx.navigation.NavController){
+        // ここでパラメータを処理
+        val parameterValue = uri.getQueryParameter("credential_offer") // クエリパラメータの取得
+
+        // credential_offerがある場合発行画面に遷移する
+        if (!parameterValue.isNullOrEmpty()) {
+            val bundle = Bundle().apply {
+                putString("parameterValue", parameterValue)
+            }
+            navController.navigate(R.id.action_to_confirmation, bundle)
+        }
+    }
+
+    private fun handleVp(uri: Uri) {
+        val newIntent = Intent(this, TokenSharingActivity::class.java).apply {
+            putExtra("siopRequest", uri.toString())
+            putExtra("index", -1)
+        }
+        startActivity(newIntent)
+    }
+
     private var shouldLock = false
     private var isLocking = false
 
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/IdTokenSharingActivity.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/TokenSharingActivity.kt
similarity index 95%
rename from app/src/main/java/com/ownd_project/tw2023_wallet_android/IdTokenSharingActivity.kt
rename to app/src/main/java/com/ownd_project/tw2023_wallet_android/TokenSharingActivity.kt
index 53244cd..e0f7095 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/IdTokenSharingActivity.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/TokenSharingActivity.kt
@@ -5,7 +5,7 @@ import androidx.appcompat.app.ActionBar
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.fragment.NavHostFragment
 
-class IdTokenSharingActivity : AppCompatActivity() {
+class TokenSharingActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProvider.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProvider.kt
index e5b3804..2e1c849 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProvider.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProvider.kt
@@ -21,6 +21,7 @@ import okhttp3.Request
 import org.bouncycastle.jce.spec.ECNamedCurveSpec
 import java.math.BigInteger
 import java.net.URI
+import java.net.URLEncoder
 import java.security.KeyPair
 import java.security.PublicKey
 import java.security.interfaces.ECPublicKey
@@ -241,7 +242,11 @@ class OpenIdProvider(val uri: String, val option: ProviderOption = ProviderOptio
             val redirectUrl = requireNotNull(authRequest.redirectUri)
 
             println("send id token to $redirectUrl")
-            val result = sendRequest(redirectUrl, mapOf("id_token" to idToken))
+
+            // As a temporary value, give DIRECT_POST a fixed value.
+            // It needs to be modified when responding to redirect responses.
+            val result = sendRequest(redirectUrl, mapOf("id_token" to idToken), ResponseMode.DIRECT_POST)
+
             println("Received result: $result")
             return Either.Right(result)
         } catch (e: Exception) {
@@ -259,6 +264,14 @@ class OpenIdProvider(val uri: String, val option: ProviderOption = ProviderOptio
             )
             val presentationDefinition = this.siopRequest.presentationDefinition
                 ?: throw IllegalArgumentException(SIOPErrors.BAD_PARAMS.message)
+
+            // https://openid.net/specs/oauth-v2-multiple-response-types-1_0.html#ResponseModes
+            //   the default Response Mode for the OAuth 2.0 code Response Type is the query encoding
+            //   the default Response Mode for the OAuth 2.0 token Response Type is the fragment encoding
+            // https://openid.net/specs/openid-4-verifiable-presentations-1_0-ID2.html#section-5
+            //   If the parameter is not present, the default value is fragment.
+            val responseMode = authRequest.responseMode ?: ResponseMode.FRAGMENT
+
             // presentationDefinition.inputDescriptors を使って選択項目でフィルター
             val vpTokens = credentials.mapNotNull { it ->
                 when (it.format) {
@@ -309,8 +322,17 @@ class OpenIdProvider(val uri: String, val option: ProviderOption = ProviderOptio
             }
             val jsonString = objectMapper.writeValueAsString(presentationSubmission)
 
-            // todo fragmentの場合はSame Deviceにリダイレクト
-            val redirectUrl = requireNotNull(authRequest.responseUri)
+            // https://openid.net/specs/openid-4-verifiable-presentations-1_0-ID2.html#name-authorization-request
+            //   response_uri parameter is present, the redirect_uri Authorization Request parameter MUST NOT be present
+            val destinationUri = if (responseMode == ResponseMode.DIRECT_POST) {
+                authRequest.responseUri
+            } else {
+                authRequest.redirectUri
+            }
+            if (destinationUri.isNullOrBlank()) {
+                return Either.Left("Unknown destination for response")
+            }
+
 
             val body = mutableMapOf(
                 "vp_token" to vpTokenValue,
@@ -321,8 +343,8 @@ class OpenIdProvider(val uri: String, val option: ProviderOption = ProviderOptio
                 body["state"] = state
             }
 
-            println("send vp token to $redirectUrl")
-            val result = sendRequest(redirectUrl, body)
+            println("send vp token to $destinationUri")
+            val result = sendRequest(destinationUri, body, responseMode)
             print("status code: ${result.statusCode}")
             print("location: ${result.location}")
             print("cookies: ${result.cookies}")
@@ -506,7 +528,7 @@ fun mergeOAuth2AndOpenIdInRequestPayload(
     return createRequestObjectPayloadFromMap(mergedMap)
 }
 
-fun sendRequest(redirectUrl: String, formData: Map<String, String>): PostResult {
+fun sendRequest(destinationUri: String, formData: Map<String, String>, responseMode: ResponseMode): PostResult {
     val client = OkHttpClient.Builder()
         .followRedirects(false)
         .build()
@@ -516,11 +538,19 @@ fun sendRequest(redirectUrl: String, formData: Map<String, String>): PostResult
         formBodyBuilder.add(key, value)
     }
     val formBody = formBodyBuilder.build()
-
-    val request = Request.Builder()
-        .url(redirectUrl)
-        .post(formBody)
-        .build()
+    val request: Request
+
+    when (responseMode) {
+        ResponseMode.DIRECT_POST -> {
+            request = Request.Builder()
+                .url(destinationUri)
+                .post(formBody)
+                .build()
+        }
+        else -> {
+            throw IllegalArgumentException("Unsupported response mode: $responseMode")
+        }
+    }
 
     client.newCall(request).execute().use { response ->
         val statusCode = response.code()
@@ -534,7 +564,7 @@ fun sendRequest(redirectUrl: String, formData: Map<String, String>): PostResult
             val uri = URI.create(location)
             if (!uri.isAbsolute) {
                 // 元のURLからホスト情報を抽出して補完
-                val originalUri = URI.create(redirectUrl)
+                val originalUri = URI.create(destinationUri)
                 val portPart = if (originalUri.port != -1) ":${originalUri.port}" else ""
                 location = "${originalUri.scheme}://${originalUri.host}$portPart$location"
             }
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/test/TestFragmentActivity.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/test/TestFragmentActivity.kt
index 66ecb66..78c7f94 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/test/TestFragmentActivity.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/test/TestFragmentActivity.kt
@@ -15,7 +15,7 @@ import com.ownd_project.tw2023_wallet_android.datastore.CredentialDataStore
 import com.ownd_project.tw2023_wallet_android.test.DummyData.generateSdJwt
 import com.ownd_project.tw2023_wallet_android.ui.credential_detail.CredentialDetailFragment
 import com.ownd_project.tw2023_wallet_android.ui.shared.Constants
-import com.ownd_project.tw2023_wallet_android.ui.siop.IdTokenSharringFragment
+import com.ownd_project.tw2023_wallet_android.ui.siop_vp.TokenSharingFragment
 import com.ownd_project.tw2023_wallet_android.utils.KeyPairUtil
 import com.ownd_project.tw2023_wallet_android.utils.ZipUtil
 import kotlinx.coroutines.launch
@@ -83,7 +83,7 @@ class TestFragmentActivity : AppCompatActivity() {
         }
         // setContentView(R.layout.activity_test_fragment);
         // val fragment = IdTokenSharringFragment()
-        val fragment = IdTokenSharringFragment().apply {
+        val fragment = TokenSharingFragment().apply {
             arguments = args
         }
         val fragment3 = CredentialDetailFragment().apply {
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/backup/BackupViewModel.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/backup/BackupViewModel.kt
index c4db2cf..8ce052e 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/backup/BackupViewModel.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/backup/BackupViewModel.kt
@@ -16,7 +16,7 @@ import com.ownd_project.tw2023_wallet_android.datastore.CredentialSharingHistory
 import com.ownd_project.tw2023_wallet_android.datastore.IdTokenSharingHistoryStore
 import com.ownd_project.tw2023_wallet_android.datastore.PreferencesDataStore
 import com.ownd_project.tw2023_wallet_android.pairwise.HDKeyRing
-import com.ownd_project.tw2023_wallet_android.ui.siop.TAG
+import com.ownd_project.tw2023_wallet_android.ui.siop_vp.TAG
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/reader/ReaderFragment.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/reader/ReaderFragment.kt
index 109c9d4..8df71ec 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/reader/ReaderFragment.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/reader/ReaderFragment.kt
@@ -1,6 +1,6 @@
 package com.ownd_project.tw2023_wallet_android.ui.reader
 
-import com.ownd_project.tw2023_wallet_android.IdTokenSharingActivity
+import com.ownd_project.tw2023_wallet_android.TokenSharingActivity
 import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
@@ -72,7 +72,7 @@ class ReaderFragment : Fragment() {
                 } else {
                     println(scanned)
                     if (scanned.startsWith("openid4vp://") || scanned.startsWith("siopv2://")) {
-                        val intent = Intent(context, IdTokenSharingActivity::class.java).apply {
+                        val intent = Intent(context, TokenSharingActivity::class.java).apply {
                             putExtra("siopRequest", scanned)
                             putExtra("index", -1) // 一つ前の画面でアカウントを選択した場合のインデックス
                         }
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringFragment.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragment.kt
similarity index 95%
rename from app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringFragment.kt
rename to app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragment.kt
index f3f1b62..fba74d0 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringFragment.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragment.kt
@@ -1,4 +1,4 @@
-package com.ownd_project.tw2023_wallet_android.ui.siop
+package com.ownd_project.tw2023_wallet_android.ui.siop_vp
 
 import android.app.AlertDialog
 import android.net.Uri
@@ -30,15 +30,15 @@ import com.ownd_project.tw2023_wallet_android.utils.viewBinding
 // todo レイアウト調整
 // todo SVGをURLから表示
 
-class IdTokenSharringFragment : Fragment(R.layout.fragment_id_token_sharring) {
+class TokenSharingFragment : Fragment(R.layout.fragment_id_token_sharring) {
     companion object {
-        private val tag = IdTokenSharringFragment::class.simpleName
+        private val tag = TokenSharingFragment::class.simpleName
     }
 
     private val binding by viewBinding(FragmentIdTokenSharringBinding::bind)
     private lateinit var issuerDetailBinding: FragmentIssuerDetailBinding
 
-    private val args: IdTokenSharringFragmentArgs by navArgs()
+    private val args: TokenSharingFragmentArgs by navArgs()
     private val sharedViewModel by activityViewModels<CredentialSharingViewModel>()
     private val viewModel: IdTokenSharringViewModel by viewModels()
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -47,7 +47,7 @@ class IdTokenSharringFragment : Fragment(R.layout.fragment_id_token_sharring) {
 
 
         val activity = requireActivity()
-        val menuProvider = IdTokenSharingFragmentMenuProvider(this, activity.menuInflater)
+        val menuProvider = TokenSharingFragmentMenuProvider(this, activity.menuInflater)
         activity.addMenuProvider(menuProvider, viewLifecycleOwner, Lifecycle.State.RESUMED)
 
         viewModel.initDone.observe(viewLifecycleOwner, ::onInitDone)
@@ -240,7 +240,7 @@ class IdTokenSharringFragment : Fragment(R.layout.fragment_id_token_sharring) {
 
     private fun onOpenSelectCredential(view: View) {
         Log.d(tag, "on click")
-        val action = IdTokenSharringFragmentDirections.actionIdTokenSharringToNavigationCertificate()
+        val action = TokenSharingFragmentDirections.actionIdTokenSharringToNavigationCertificate()
         findNavController().navigate(action)
     }
 
@@ -281,7 +281,7 @@ class IdTokenSharringFragment : Fragment(R.layout.fragment_id_token_sharring) {
         val selectedCredential = sharedViewModel.selectedCredential.value
         if (selectedCredential != null) {
             // todo 複数対応
-            viewModel.shareCredential(this, listOf(selectedCredential))
+            viewModel.shareVpToken(this, listOf(selectedCredential))
         } else {
             viewModel.shareIdToken(this)
         }
@@ -319,7 +319,7 @@ class IdTokenSharringFragment : Fragment(R.layout.fragment_id_token_sharring) {
         if (postResult.location != null) {
             val url = postResult.location
             val cookies = postResult.cookies
-            val action = IdTokenSharringFragmentDirections.actionIdTokenSharringToWebViewFragment(url, cookies)
+            val action = TokenSharingFragmentDirections.actionIdTokenSharringToWebViewFragment(url, cookies)
             findNavController().navigate(action)
         }
     }
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharingFragmentMenuProvider.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragmentMenuProvider.kt
similarity index 91%
rename from app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharingFragmentMenuProvider.kt
rename to app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragmentMenuProvider.kt
index 643a240..c85c8d1 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharingFragmentMenuProvider.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingFragmentMenuProvider.kt
@@ -1,4 +1,4 @@
-package com.ownd_project.tw2023_wallet_android.ui.siop
+package com.ownd_project.tw2023_wallet_android.ui.siop_vp
 
 import android.view.Menu
 import android.view.MenuInflater
@@ -7,7 +7,7 @@ import androidx.core.view.MenuProvider
 import androidx.fragment.app.Fragment
 import com.ownd_project.tw2023_wallet_android.R
 
-class IdTokenSharingFragmentMenuProvider(
+class TokenSharingFragmentMenuProvider(
     private val fragment: Fragment,
     private val menuInflater: MenuInflater
 ) : MenuProvider {
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringViewModel.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingViewModel.kt
similarity index 99%
rename from app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringViewModel.kt
rename to app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingViewModel.kt
index cf84046..2840df8 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop/IdTokenSharringViewModel.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/siop_vp/TokenSharingViewModel.kt
@@ -1,4 +1,4 @@
-package com.ownd_project.tw2023_wallet_android.ui.siop
+package com.ownd_project.tw2023_wallet_android.ui.siop_vp
 
 import android.content.Context
 import android.util.Log
@@ -286,7 +286,7 @@ class IdTokenSharringViewModel : ViewModel() {
         }
     }
 
-    fun shareCredential(fragment: Fragment, credentials: List<SubmissionCredential>) {
+    fun shareVpToken(fragment: Fragment, credentials: List<SubmissionCredential>) {
         Log.d(TAG, "shareVPToken")
         viewModelScope.launch(Dispatchers.IO) {
             val result = openIdProvider.respondVPResponse(credentials)
diff --git a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/verification/CredentialVerificationViewModel.kt b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/verification/CredentialVerificationViewModel.kt
index 8babbe4..be21374 100644
--- a/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/verification/CredentialVerificationViewModel.kt
+++ b/app/src/main/java/com/ownd_project/tw2023_wallet_android/ui/verification/CredentialVerificationViewModel.kt
@@ -30,7 +30,7 @@ class CredentialVerificationViewModel : ViewModel() {
     val result: LiveData<Boolean> = _result
 
     fun verifyCredential(format: String, credential: String) {
-        Log.d(com.ownd_project.tw2023_wallet_android.ui.siop.TAG, "verifyCredential seed successfully")
+        Log.d(com.ownd_project.tw2023_wallet_android.ui.siop_vp.TAG, "verifyCredential seed successfully")
         viewModelScope.launch(Dispatchers.IO) {
             val result = JWT.verifyJwtByX5U(credential)
             result.fold(
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
index b247f44..a0367fe 100644
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -132,7 +132,7 @@
     </fragment>
     <fragment
         android:id="@+id/id_token_sharring"
-        android:name="com.ownd_project.tw2023_wallet_android.ui.siop.IdTokenSharringFragment"
+        android:name="com.ownd_project.tw2023_wallet_android.ui.siop_vp.TokenSharingFragment"
         tools:layout="@layout/fragment_id_token_sharring">
         <argument
             android:name="siopRequest"
diff --git a/app/src/test/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProviderTest.kt b/app/src/test/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProviderTest.kt
index 9ce52cb..b04cb7f 100644
--- a/app/src/test/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProviderTest.kt
+++ b/app/src/test/java/com/ownd_project/tw2023_wallet_android/oid/OpenIdProviderTest.kt
@@ -1,5 +1,6 @@
 package com.ownd_project.tw2023_wallet_android.oid
 
+import android.util.Log
 import com.auth0.jwt.JWT
 import com.auth0.jwt.algorithms.Algorithm
 import com.ownd_project.tw2023_wallet_android.encodePublicKeyToJwks
@@ -111,6 +112,32 @@ class OpenIdProviderTest {
         wireMockServer.stop()
     }
 
+
+    @Test
+    fun testSendRequestWithDirectPost() = runBlocking {
+        // MockWebServerに対するレスポンスを設定します。
+        wireMockServer.stubFor(
+            WireMock.post(WireMock.urlEqualTo("/"))
+                .withHeader("Content-Type", WireMock.equalTo("application/x-www-form-urlencoded"))
+                .willReturn(
+                    WireMock.aResponse()
+                        .withStatus(200)
+                        .withBody("response body")
+                )
+        )
+
+        // テスト対象のメソッドを呼び出します。
+        val result = sendRequest("$clientHost:${wireMockServer.port()}/", mapOf("key" to "value"), ResponseMode.DIRECT_POST)
+
+        // レスポンスが期待通りであることを確認します。
+        assertEquals(200, result.statusCode)
+
+        // リクエストが期待通りであることを確認します。
+        val recordedRequest = wireMockServer.findAll(WireMock.postRequestedFor(WireMock.urlEqualTo("/"))).first()
+        assertEquals("POST", recordedRequest.method.toString())
+        assertEquals("key=value", recordedRequest.bodyAsString)
+    }
+
     @Test
     fun testProcessSIOPRequest() = runBlocking {
         val requestJwt = createRequestObjectJwt(