Fixed multiple bugs

【Contents of fix】
■Fixed a bug in which an unnecessary description was displayed under the footer when viewing an archive page on a smartphone.
■PHP7 support
■SSL support
■Fixed an error that was sometimes displayed in the theme options screen.

The following files have been modified for this update.
【Fixed files】
admin/theme-options.php
functions/seo.php
widget/ad.php
widget/archive_list.php
widget/category_list.php
widget/google_search.php
widget/styled_post_list1.php
style.css

For more information, please visit the download site for purchasers of LAW (tcd031).