// サムネにアイキャッチを使用
add_action( 'wp_head', 'add_meta_to_head' );
function add_meta_to_head() {
	echo '<meta name="thumbnail" content="' .wp_get_attachment_url( get_post_thumbnail_id() ). '" />';
}<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	
	xmlns:georss="http://www.georss.org/georss"
	xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#"
	
	>
<channel>
	<title>
	topindex_ill_001 へのコメント	</title>
	<atom:link href="https://riekoshimizu.com/feed/?attachment_id=76" rel="self" type="application/rss+xml" />
	<link>https://riekoshimizu.com/topindex_ill_001/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=topindex_ill_001</link>
	<description>幅広い媒体で女性向けイラスト制作しています</description>
	<lastBuildDate>Fri, 29 Jan 2021 09:33:49 +0000</lastBuildDate>
	<sy:updatePeriod>
	hourly	</sy:updatePeriod>
	<sy:updateFrequency>
	1	</sy:updateFrequency>
	<generator>https://wordpress.org/?v=6.2.5</generator>
</channel>
</rss>