Fixed bugs in widget and smartphone display

【Contents of the fix】
■Fixed a bug in the “Designed Article List 2 and 3” widget.
■Fixed the logo and MENU button when displayed on a smartphone.

The files that have been modified for this update are as follows.
【Corrected files】
widget/styled_post_list2.php
widget/styled_post_list3.php
responsive.css
style.css

For more information, please visit the download site for purchasers of CORE (tcd027).