diff --git a/_includes/footer.liquid b/_includes/footer.liquid
index 6a20a70c4..01be47257 100644
--- a/_includes/footer.liquid
+++ b/_includes/footer.liquid
@@ -2,6 +2,7 @@
 <footer>
   <div class="row">
     <div class="col-lg-12">
+    <div class="fb-page" data-href="https://www.facebook.com/coderdojo-hommachi-171787579936442/" data-tabs="timeline" data-width="350" data-height="400" data-small-header="false" data-adapt-container-width="true" data-hide-cover="false" data-show-facepile="true"><blockquote cite="https://www.facebook.com/coderdojo-hommachi-171787579936442/" class="fb-xfbml-parse-ignore"><a href="https://www.facebook.com/coderdojo-hommachi-171787579936442/">coderdojo hommachi</a></blockquote></div>
       <hr>
       <ul class="list-unstyled">
         <li class="pull-right"><a href="#top">Back to top</a></li>
@@ -11,3 +12,12 @@
     </div>
   </div>
 </footer>
+
+<div id="fb-root"></div>
+<script>(function(d, s, id) {
+  var js, fjs = d.getElementsByTagName(s)[0];
+  if (d.getElementById(id)) return;
+  js = d.createElement(s); js.id = id;
+  js.src = "//connect.facebook.net/ja_JP/sdk.js#xfbml=1&version=v2.8&appId=1600350913562750";
+  fjs.parentNode.insertBefore(js, fjs);
+}(document, 'script', 'facebook-jssdk'));</script>
diff --git a/_layouts/post.html b/_layouts/post.html
index d7ea40a80..a30e0d8ca 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -5,3 +5,22 @@
 <h3><a href="{{ site.baseurl }}{{ post.url }}">{{ post.title }}</a></h3>
 <p class="text-muted">{{ page.date | date: "%B %-d, %Y" }}</p>
 {{ content }}
+
+<div class="share-btns">
+ <div class="share-btn">
+   <a href="https://twitter.com/share" class="twitter-share-button"{count}>Tweet</a>
+ </div>
+ <div class="share-btn">
+   <div class="fb-share-button" data-href="{{ site.baseurl }}{{ post.url }}" data-layout="button_count"></div>
+ </div>
+</div>
+
+<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
+<div id="fb-root"></div>
+<script>(function(d, s, id) {
+  var js, fjs = d.getElementsByTagName(s)[0];
+  if (d.getElementById(id)) return;
+  js = d.createElement(s); js.id = id;
+  js.src = "//connect.facebook.net/ja_JP/sdk.js#xfbml=1&version=v2.5&appId=1600350913562750";
+  fjs.parentNode.insertBefore(js, fjs);
+}(document, 'script', 'facebook-jssdk'));</script>
diff --git a/assets/css/extension.css b/assets/css/extension.css
index 94c16bc5d..c46749642 100644
--- a/assets/css/extension.css
+++ b/assets/css/extension.css
@@ -5,3 +5,19 @@
 body {
   font-size: 20px;
 }
+
+.share-btns {
+  margin-top: 40px;
+}
+
+.share-btns::after {
+  content: "";
+  display: block;
+  clear: both;
+}
+
+.share-btn {
+  float: left;
+  margin-right: 16px;
+  line-height: 1;
+}