Optimize layout

Author: yhirano55

_layouts/default.html

@@ -23,17 +23,14 @@
     <header class="page-header" role="banner">
       <h1 class="project-name">{{ page.title | default: site.title | default: site.github.repository_name }}</h1>
       <h2 class="project-tagline">{{ page.description | default: site.description | default: site.github.project_tagline }}</h2>
-      <a href="{{ site.slack_invite_link }}" class="btn">Join to Slack</a>
+			<a href="{{ site.slack_invite_link }}" class="btn"><strong>ruby-jp Slack ワークスペースに参加する</strong></a>
     </header>
 
     <main id="content" class="main-content" role="main">
       {{ content }}
 
       <footer class="site-footer">
-        {% if site.github.is_project_page %}
-          <span class="site-footer-owner"><a href="{{ site.github.repository_url }}">{{ site.github.repository_name }}</a> is maintained by <a href="{{ site.github.owner_url }}">{{ site.github.owner_name }}</a>.</span>
-        {% endif %}
-        <span class="site-footer-credits">This page was generated by <a href="https://pages.github.com">GitHub Pages</a>.</span>
+        <span class="site-footer-credits">ruby-jp は複数名の有志の Rubyist によって運営されています</span>
       </footer>
     </main>
   </body>