Fixed multiple bugs

【Contents of the fix】
■Fixed a bug in which the header slider image collapses when the screen is changed horizontally or vertically on smartphones.
■Fixed a bug where the date of the top page announcement could not be hidden.
■Fixed a bug in which the logo was not displayed on the alternative image when a video was set as the header content and displayed on a smartphone.
■Modal CTA>Fixed a bug in the auto-play settings for videos and Youtube on some devices.
■Fixed a bug in the site search function so that contents created with page builder are also searchable.
■Fixed a bug that caused an error when previewing a page using Page Builder in WP5.2 or later.

The following files have been modified for this update.
【Fixed files】
admin/inc/basic.php
admin/inc/modal_cta.php
functions/modal_cta.php
js/front-page.js
js/slick.min.js
languages/ja.mo
languages/ja.po
pagebuilder/assets/admin/css/admin.css
pagebuilder/assets/admin/js/admin.js
pagebuilder/assets/css/googlemap.css
pagebuilder/modules/includes/slick.php
pagebuilder/modules/slider.php
pagebuilder/pagebuilder.php
template-parts/index-slider.php
front-page.php
functions.php
style.css