diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index eb2068b..6da4321 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,12 +3,10 @@ on:
     branches:
       - main
       - master
-      - availability
   pull_request:
     branches:
       - main
       - master
-      - availability
 
 name: tests
 
diff --git a/Controller/RegistrationAnswersController.php b/Controller/RegistrationAnswersController.php
index 01ded77..7bdb316 100644
--- a/Controller/RegistrationAnswersController.php
+++ b/Controller/RegistrationAnswersController.php
@@ -19,7 +19,7 @@
  * @property RegistrationAnswer $RegistrationAnswer
  * @property RegistrationsOwnAnswerComponent $RegistrationOwnAnswer
  * @property RegistrationAnswerSummary $RegistrationAnswerSummary
- * 
+ *
  * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
  */
 class RegistrationAnswersController extends RegistrationsAppController {
@@ -103,6 +103,9 @@ public function beforeFilter() {
 		// 親クラスのbeforeFilterを済ませる
 		parent::beforeFilter();
 
+		// CDNキャッシュを作成しない
+		$this->response->header('Pragma', 'no-cache');
+
 		// NetCommonsお約束：編集画面へのURLに編集対象のコンテンツキーが含まれている
 		// まずは、そのキーを取り出す
 		// 登録フォームキー
@@ -220,11 +223,6 @@ protected function _viewGuard() {
 				!isset($this->request->data['RegistrationPage']['page_sequence'])) {
 				// 認証キーコンポーネントお約束：
 				if ($quest['is_key_pass_use'] == RegistrationsComponent::USES_USE) {
-					$this->AuthorizationKey->contentId = $quest['id'];
-					$this->AuthorizationKey->guard(
-						AuthorizationKeyComponent::OPERATION_EMBEDDING,
-						'Registration',
-						$this->__registration);
 					$this->setAction('key_auth');
 					return;
 				}
@@ -247,6 +245,15 @@ protected function _viewGuard() {
  * @return void
  */
 	public function key_auth() {
+		$this->AuthorizationKey->contentId = $this->__registration['Registration']['id'];
+		$this->AuthorizationKey->guard(
+			AuthorizationKeyComponent::OPERATION_EMBEDDING,
+			'Registration',
+			$this->__registration);
+		if ($this->request->is('ajax')) {
+			return;
+		}
+
 		$isKeyPassUse = $this->__registration['Registration']['is_key_pass_use'];
 		if ($isKeyPassUse != RegistrationsComponent::USES_USE) {
 			$this->_redirectAnswerPage();
@@ -383,11 +390,15 @@ public function view() {
 			}
 		}
 		if (! ($this->request->is('post') && $nextPageSeq == $postPageSeq)) {
-			$summary = $this->RegistrationsOwnAnswer->getProgressiveSummaryOfThisUser(
-				$registrationKey);
-			$setAnswers = $this->RegistrationAnswer->getProgressiveAnswerOfThisSummary(
-				$registration,
-				$summary);
+			if (empty($this->request->params['requested'])) {
+				$summary = $this->RegistrationsOwnAnswer->getProgressiveSummaryOfThisUser(
+					$registrationKey);
+				$setAnswers = $this->RegistrationAnswer->getProgressiveAnswerOfThisSummary(
+					$registration,
+					$summary);
+			} else {
+				$setAnswers = [];
+			}
 			$this->set('answers', $setAnswers);
 			$this->request->data['RegistrationAnswer'] = $setAnswers;
 
@@ -395,15 +406,16 @@ public function view() {
 			// 誠にCake流儀でなくて申し訳ないのですが、様々な種別のAnswerデータを
 			// 特殊な文字列加工して統一化した形状でDBに入れている都合上、このような仕儀になっています
 		} else {
-			$this->set('answers', $this->request->data['RegistrationAnswer']);
+			$this->set('answers', $this->request->data['RegistrationAnswer'] ?? null);
 		}
 
+		$nextPageSeq = (int)$nextPageSeq;
 		// 項目情報をView変数にセット
 		$this->request->data['Frame'] = Current::read('Frame');
 		$this->request->data['Block'] = Current::read('Block');
 		$this->request->data['RegistrationPage'] = $registration['RegistrationPage'][$nextPageSeq];
 		$this->set('registration', $registration);
-		$this->set('questionPage', $registration['RegistrationPage'][$nextPageSeq]);
+		$this->set('questionPage', $registration['RegistrationPage'][$nextPageSeq] ?? null);
 		$this->set('displayType', $this->__displayType);
 		$this->NetCommons->handleValidationError($this->RegistrationAnswer->validationErrors);
 
diff --git a/Model/RegistrationAnswer.php b/Model/RegistrationAnswer.php
index a7df869..cf415a3 100644
--- a/Model/RegistrationAnswer.php
+++ b/Model/RegistrationAnswer.php
@@ -284,6 +284,13 @@ public function saveAnswer($data, $registration, $summary) {
 				if (! $targetQuestion) {
 					throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
 				}
+
+				//HACK: 作りが悪いため、DELETE->INSERTで既存データを初期化してから登録する
+				$this->deleteAll([
+					$this->alias . '.registration_answer_summary_id' => $summaryId,
+					$this->alias . '.registration_question_key' => $targetQuestionKey,
+				], false);
+
 				// データ保存
 				// Matrixタイプの場合はanswerが配列になっているがsaveでかまわない
 				// saveMany中で１回しかValidateしなくてよい関数のためのフラグ
diff --git a/View/RegistrationAnswers/key_auth.ctp b/View/RegistrationAnswers/key_auth.ctp
index 37e718c..843ae6e 100644
--- a/View/RegistrationAnswers/key_auth.ctp
+++ b/View/RegistrationAnswers/key_auth.ctp
@@ -8,16 +8,19 @@
  * @license http://www.netcommons.org/license.txt NetCommons License
  * @copyright Copyright 2014, NetCommons Project
  */
+echo $this->NetCommonsHtml->script(array(
+	'/authorization_keys/js/key_auth_init.js'
+));
 echo $this->NetCommonsHtml->css('/registrations/css/registration.css');
 ?>
-<article>
+<article ng-controller="AuthorizationKey" ng-init="initialize('<?php echo h($postUrl); ?>')">
 	<?php echo $this->element('Registrations.Answers/answer_header'); ?>
 
 	<?php echo $this->element('Registrations.Answers/answer_test_mode_header'); ?>
 
 	<?php
 
-	echo $this->NetCommonsForm->create(null, array('type' => 'post', 'url' => $postUrl));
+	echo $this->NetCommonsForm->create('AuthorizationKeys' . CurrentLib::read('Frame.id'), array('type' => 'post', 'url' => $postUrl));
 	echo $this->NetCommonsForm->hidden('Frame.id');
 	echo $this->NetCommonsForm->hidden('Block.id');
 
@@ -34,4 +37,4 @@ echo $this->NetCommonsHtml->css('/registrations/css/registration.css');
 	</div>
 
 	<?php echo $this->NetCommonsForm->end(); ?>
-</article>
\ No newline at end of file
+</article>