function.phpに以下を追記 /*** スラッグの日本語禁止*/function auto_post_slug( $slug, $post_ID, $post_status, $post_type ) {if ( preg_match( '/(%[0-9a-f]{2})+/', $slug ) ) {$slug = utf8_uri_encode( $post_type ) . '-' . $post_ID;}return $slug…