Added font style setting items and fixed multiple bugs

【Fixed/Functionality Added】
■Fixed a bug that the parent menu color when hovering over a submenu of the global menu reflects a color that has not been set in the “Color Settings”.
■Fixed the behavior of the checkbox “Show linked URLs in a new tab” in the top page display item settings.
※Fixed a bug where the checkboxes would be checked in order from the top instead of the specified item.
■Fixed the error displayed on the article detail page.
■Fixed to solve the error of widget in PHP7 environment.
■Changed the search destination URL of the widget “Google Custom Search” to https.
■Fixed the bug that the slider created in the page builder of the fixed page is not displayed properly.
■Fixed a bug that the slider created in the page builder of the fixed page did not display properly.
■Added a setting item for line-height of heading text displayed on header slider.
■Updated the fixed footer bar for smartphones.

The following are the files that have been modified for this update.
【Corrected files】
admin/theme-options.php
breadcrumb.php
footer.php
functions.php
functions/head.php
functions/seo.php
languages/ja.mo
languages/ja.po
responsive.css
style.css
widget/ad.php
widget/archive_list.php
widget/brand_category_list.php
widget/category_list.php
widget/google_search.php
widget/styled_post_list1.php
【Added files】
footer-bar folder
footer-bar/footer-bar.css
footer-bar/footer-bar.js
footer-bar/footer-bar.php
footer-bar/footer-bar2.js
img/common/facebook.png
img/common/line.png
img/common/twitter.png
js/slick.css
js/slick.min.js

For more information, please visit the VENUS (tcd038) download site for purchasers.