Fixed multiple bugs

【Contents of the fix】
■Fixed a bug in which the “Space inside (for top and smartphone)” setting was duplicated in the “Add line > Space inside” setting in Page Builder.
■Fixed a bug that the slider on the top page does not switch when the loading screen is set to “Show loading screen” in the TCD theme options basic settings.

【Fixed files】
languages/ja.mo
languages/ja.po
style.css
template-parts/slider_ini.php