Added meta tag functionality to ranking articles and adjusted the style of the footer widget.

【Contents of modification】
■Changed to use meta title and meta description functions in ranking articles (1 to 3).
■Adjusted the style of footer widget (custom menu widget).

The following are the files that have been modified for this update.

【Corrected files】
functions/seo.php
style.css
style_pc.css

For more details, please visit the download site for purchasers of Reviewer (tcd026).