concrete5のプリティURLとさくらのレンタルサーバのwww付きURL設定の両立

.htaccess

        # -- concrete5 urls start --
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^(tagworks\.jp)$ [NC]
RewriteRule (.*) http://www.tagworks.jp%{REQUEST_URI} [R=301,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME}/index.html !-f
RewriteCond %{REQUEST_FILENAME}/index.php !-f
RewriteRule . index.php [L]
</IfModule>
        # -- concrete5 urls end --