Optimization of the smartphone version, breadcrumb list and bug fixes

【Contents of fix】
■Added fixed footer bar function for smartphones.
■Brush-up and adjustment of the smartphone version design (optimization of image display size, margins, and font size)
■Apply microdata format structured markup recommended by google to the breadcrumb list code.
■Theme Options > Blog > Fixed a bug that “Show date” in the common settings of top page, archive page, and post detail page is not reflected in the top page.

The following files have been modified for this update.
【Corrected files】
admin/css/my_admin.css
admin/js/my_script.js
admin/theme-options.php
breadcrumb.php
fonts/design_plus.eot
fonts/design_plus.svg
fonts/design_plus.ttf
fonts/design_plus.woff
footer.php
front-page.php
functions.php
functions/head.php
functions/next_prev.php
functions/update_notifier.php
header.php
index.php
languages/ja.mo
languages/ja.po
responsive.css
style.css
【Added files】
js/functions.js

For more information, please visit the LOTUS (tcd039) download site for purchasers.