diff --git a/apps/pc_frontend/modules/communityTopic/actions/components.class.php b/apps/pc_frontend/modules/communityTopic/actions/components.class.php
index c9642c7..9c9737a 100644
--- a/apps/pc_frontend/modules/communityTopic/actions/components.class.php
+++ b/apps/pc_frontend/modules/communityTopic/actions/components.class.php
@@ -10,4 +10,9 @@
 
 class communityTopicComponents extends opCommunityTopicPluginTopicComponents
 {
+  public function executeTopicCommentSnsListBox()
+  {
+    $this->communityTopic = Doctrine_Core::getTable('CommunityTopic')
+      ->getRecentlyUpdatedTopicsSns($this->gadget->getConfig('col'));
+  }
 }
diff --git a/apps/pc_frontend/modules/communityTopic/templates/_topicCommentSnsListBox.php b/apps/pc_frontend/modules/communityTopic/templates/_topicCommentSnsListBox.php
new file mode 100644
index 0000000..bcda7c0
--- /dev/null
+++ b/apps/pc_frontend/modules/communityTopic/templates/_topicCommentSnsListBox.php
@@ -0,0 +1,21 @@
+<?php if (count($communityTopic)): ?>
+<?php slot('body') ?>
+<?php foreach ($communityTopic as $topic): ?>
+<li><span class="date"><?php echo op_format_date($topic->getUpdatedAt(), 'XShortDateJa') ?></span>
+<?php echo sprintf('%s (%s)',
+  link_to(sprintf('%s(%d)',
+    op_truncate($topic->getName(), 36),
+    $topic->getCommunityTopicComment()->count()
+  ), '@communityTopic_show?id='.$topic->getId()),
+  $topic->getCommunity()->getName()
+) ?></li>
+<?php endforeach ?>
+<?php end_slot() ?>
+<?php echo op_include_parts('topicRecentList', 'homeRecentList_'.$gadget->id, array(
+  'title' => 'SNS全体のコミュニティ最新書き込み',
+  'listBody' => get_slot('body'),
+  'moreInfo' => array(
+    link_to(__('More'), array('sf_route' => 'communityTopic_search_all')),
+  ),
+)) ?>
+<?php endif ?>
diff --git a/apps/pc_frontend/templates/_partsTopicRecentList.php b/apps/pc_frontend/templates/_partsTopicRecentList.php
new file mode 100644
index 0000000..57a7acb
--- /dev/null
+++ b/apps/pc_frontend/templates/_partsTopicRecentList.php
@@ -0,0 +1,6 @@
+<?php $options->setDefault('class', 'homeRecentList') ?>
+<div class="block">
+  <ul class="articleList">
+  <?php echo $options->getRaw('listBody') ?>
+  </ul>
+</div>
diff --git a/config/gadget.yml b/config/gadget.yml
index 6c0b195..3bcc42d 100644
--- a/config/gadget.yml
+++ b/config/gadget.yml
@@ -29,3 +29,19 @@ recentCommunityEventComment:
       IsRequired: true
       Default:    5
       Choices:    {1: 1, 3: 3, 5: 5, 7: 7, 10: 10}
+
+recentCommunityTopicCommentSns:
+  caption:
+    ja_JP: "SNS全体のコミュニティ最新トピックリスト"
+  description:
+    ja_JP: "SNS全体のコミュニティトピックの最新書き込みリストを表示します"
+  component: [communityTopic, topicCommentSnsListBox]
+  config:
+    col:
+      Name:       "col"
+      Caption:    "表示するトピック数"
+      FormType:   "select"
+      ValueType:  "integer"
+      IsRequired: true
+      Default:    5
+      Choices:    {1: 1, 3: 3, 5: 5, 7: 7, 10: 10}
diff --git a/lib/model/doctrine/PluginCommunityTopicTable.class.php b/lib/model/doctrine/PluginCommunityTopicTable.class.php
index f6944ea..0623c6c 100644
--- a/lib/model/doctrine/PluginCommunityTopicTable.class.php
+++ b/lib/model/doctrine/PluginCommunityTopicTable.class.php
@@ -82,6 +82,15 @@ public function getRecentlyTopicListPager($memberId, $page = 1, $size = 50)
     return $pager;
   }
 
+  public function getRecentlyUpdatedTopicsSns($limit = 5)
+  {
+    return $this->createQuery()
+      ->whereIn('community_id', opCommunityTopicToolkit::getPublicCommunityIdList())
+      ->orderBy('updated_at DESC')
+      ->limit($limit)
+      ->execute();
+  }
+
   public function getSearchQuery($communityId = null, $target = null, $keyword = null)
   {
     $q = $this->createQuery();