WordPress 4.3 support

【Contents of the fix】
■Fixed an issue that caused errors to be displayed in debug mode.

The following are the files that have been fixed for this update.
【Modified files】
widget/ad1_post.php
widget/ad2.php
widget/recommend_post.php
widget/recommend_post2.php
style.css

For more information, please visit the Chill(tcd016) download site for purchasers.