// 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() ). '" />';
}{"id":189,"date":"2019-07-31T11:03:00","date_gmt":"2019-07-31T02:03:00","guid":{"rendered":"https:\/\/riekoshimizu.com\/?p=189"},"modified":"2023-05-07T18:28:22","modified_gmt":"2023-05-07T09:28:22","slug":"%e3%83%8a%e3%83%81%e3%83%a5%e3%83%a9%e3%83%ab%e3%82%b5%e3%82%a4%e3%82%a8%e3%83%b3%e3%82%b9%e3%81%8a%e5%ae%a2%e6%a7%98%e5%90%91%e3%81%91dm%e7%94%a8%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88","status":"publish","type":"post","link":"https:\/\/riekoshimizu.com\/%e3%83%8a%e3%83%81%e3%83%a5%e3%83%a9%e3%83%ab%e3%82%b5%e3%82%a4%e3%82%a8%e3%83%b3%e3%82%b9%e3%81%8a%e5%ae%a2%e6%a7%98%e5%90%91%e3%81%91dm%e7%94%a8%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88\/","title":{"rendered":"\u30ca\u30c1\u30e5\u30e9\u30eb\u30b5\u30a4\u30a8\u30f3\u30b9\u304a\u5ba2\u69d8\u5411\u3051DM\u7528\u30a4\u30e9\u30b9\u30c8"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" loading=\"lazy\" width=\"550\" height=\"550\" src=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/illyst_20190702_bf.jpg\" alt=\"\" class=\"wp-image-190\" srcset=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/illyst_20190702_bf.jpg 550w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/illyst_20190702_bf-420x420.jpg 420w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><figcaption class=\"wp-element-caption\">\u30ca\u30c1\u30e5\u30e9\u30eb\u30b5\u30a4\u30a8\u30f3\u30b9\u304a\u5ba2\u69d8\u5411\u3051DM\u7528\u30a4\u30e9\u30b9\u30c8\u63cf\u304d\u307e\u3057\u305f\u3002UV\u30b1\u30a2\u3001\u30d8\u30a2\u30b1\u30a2\u8a086\u70b9\u3067\u3059\u3002<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":190,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[37,59,61],"tags":[100,98,97,99,17,53],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/illyst_20190702_bf.jpg","_links":{"self":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/189"}],"collection":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/comments?post=189"}],"version-history":[{"count":2,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/189\/revisions"}],"predecessor-version":[{"id":640,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/189\/revisions\/640"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media\/190"}],"wp:attachment":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media?parent=189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/categories?post=189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/tags?post=189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}