Changed the SNS icons in the footer when viewed on a PC

【Contents of the modification】
■Changed the icons for social networking sites such as Instagram, which used to be displayed only on smartphones, to be displayed on PCs as well.
■Added support for the Notice error that was displayed in debug mode.

The following are the files that have been modified for this update.
【Corrected files】
footer.php
amore.css
style.css

For more information, please visit the AMORE (tcd028) download site for purchasers.