Fixes and minor bugs in the smartphone version

【Contents of fix】
■Fixed a bug where the main color was not applied in the smartphone version.
■Fixed a bug that caused an error on certain servers.

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

For more information, please visit the PHOTEK (tcd024) download site for purchasers.