Archive page bug fix and breadcrumb list optimization

【Contents of the fix】
■Fixed a bug that caption contents are displayed in HTML on each archive page when captions are set when images are inserted.
■Apply microdata structured markup recommended by google to the breadcrumb list code.

The following files have been modified for this update.
【Corrected files】
breadcrumb.php
functions.php
style.css

For more information, please visit the download site for purchasers of Opinion (tcd018).