Hello world!
Fatal error: Uncaught Error: Call to undefined function twenty_twenty_one_post_thumbnail() in /home/xs873508/team-engine.jp/public_html/wp-content/themes/mitani_recruit/template-parts/header/excerpt-header.php:20 Stack trace: #0 /home/xs873508/team-engine.jp/public_html/wp-includes/template.php(772): require() #1 /home/xs873508/team-engine.jp/public_html/wp-includes/template.php(716): load_template('/home/xs873508/...', false, Array) #2 /home/xs873508/team-engine.jp/public_html/wp-includes/general-template.php(204): locate_template(Array, true, false, Array) #3 /home/xs873508/team-engine.jp/public_html/wp-content/themes/mitani_recruit/template-parts/content/content-excerpt.php(16): get_template_part('template-parts/...', '') #4 /home/xs873508/team-engine.jp/public_html/wp-includes/template.php(772): require('/home/xs873508/...') #5 /home/xs873508/team-engine.jp/public_html/wp-includes/template.php(716): load_template('/home/xs873508/...', false, Array) #6 /home/xs873508/team-engine.jp/public_html/wp-includes/general-templ in /home/xs873508/team-engine.jp/public_html/wp-content/themes/mitani_recruit/template-parts/header/excerpt-header.php on line 20