Multiple bug fixes

【Contents of the fix】
■Fixed a bug in which the “LINE” share button in the footer bar for smartphones did not work when the site title ended with English characters.
■Fixed an issue where unwanted text was sometimes displayed at the bottom of the page when viewing on a smartphone.

The following are the files that have been modified for this update.
【Corrected files】
functions/seo.php
template-parts/footer-bar.php
style.css

For more details, please visit the download site for purchasers of Story (tcd041).