Correction of the hamburger menu when displayed on smartphones and tablets, etc.

【Contents of fixes】
■Fixes to the hamburger menu when displayed on a smartphone or tablet.
■Fixed a blank space at the top of the article detail page when displayed on a smartphone.
■Corrected the wording in the TCD theme options.

The following are the files that have been modified for this update.
【Corrected files】
admin/theme-options.php
language/ja.po
language/ja.mp
agent.css
style.css

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