Optimization of the smartphone version, support for PHP7 and bug fixes

【Corrections and additions to functionality】
■Brush-up and adjustment of the smartphone version design (optimization of image display size, margins, and font size)
■Added fixed footer bar function for smartphones.
■Basic settings > Main color application point adjustment
■Fixes to resolve errors in php7 environment.

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
agent.css
archive.php
content-single.php
fonts/design_plus.eot
fonts/design_plus.svg
fonts/design_plus.ttf
fonts/design_plus.woff
footer.php
functions.php
header.php
includes/bootstrap-wp-navwalker.php
index.php
languages/ja.mo
languages/ja.po
page-welcome.php
page/template1.php
page/template2.php
page/template3.php
page/template4.php
single-staff.php
single.php
style.css
【Added files】
admin/img/accordion_arrow.png
footer-bar folder
footer-bar/footer-bar.css
footer-bar/footer-bar.js
footer-bar/footer-bar.php

For more information, please visit the AGENT (tcd033) download site for purchasers.