// 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":114,"date":"2020-10-16T22:34:00","date_gmt":"2020-10-16T13:34:00","guid":{"rendered":"https:\/\/riekoshimizu.com\/?p=114"},"modified":"2021-03-31T11:02:25","modified_gmt":"2021-03-31T02:02:25","slug":"%e3%82%a2%e3%83%ab%e3%83%9e%e3%83%bc%e3%83%89%e7%99%ba%e8%a1%8c-%e5%ad%a3%e5%88%8a%e8%aa%8c-%e7%a7%8b%e5%8f%b7%e3%80%80%e5%a5%b3%e6%80%a7%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88","status":"publish","type":"post","link":"https:\/\/riekoshimizu.com\/%e3%82%a2%e3%83%ab%e3%83%9e%e3%83%bc%e3%83%89%e7%99%ba%e8%a1%8c-%e5%ad%a3%e5%88%8a%e8%aa%8c-%e7%a7%8b%e5%8f%b7%e3%80%80%e5%a5%b3%e6%80%a7%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88\/","title":{"rendered":"\u30a2\u30eb\u30de\u30fc\u30c9\u767a\u884c\/\u5b63\u520a\u8a8c \u79cb\u53f7\u3000\u5973\u6027\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\/i_ill20201016_2.jpg\" alt=\"\" class=\"wp-image-115\" srcset=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/i_ill20201016_2.jpg 550w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/i_ill20201016_2-420x420.jpg 420w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><figcaption>\u30a2\u30eb\u30de\u30fc\u30c9\u767a\u884c\/\u5b63\u520a\u8a8c \u79cb\u53f7\u3067\u30a4\u30e9\u30b9\u30c8\u3092\u63cf\u304d\u307e\u3057\u305f\u3002<br><br>\u30d6\u30e9\u30a6\u30f3\u3068\u30a4\u30a8\u30ed\u30fc\u3067\u79cb\u3063\u307d\u3055\u3092<img decoding=\"async\" loading=\"lazy\" height=\"19\" width=\"19\" src=\"https:\/\/pds.exblog.jp\/emoji\/101.png\" alt=\"101.png\"><br>\u4eca\u6d41\u884c\u3063\u3066\u3044\u308b\u30ab\u30e9\u30fc\u3092\u53d6\u308a\u5165\u308c\u308b\u3068\u4eca\u3063\u307d\u3055\u304c\u51fa\u3066\u304f\u308b\u306e\u3067\u8857\u3092\u30d5\u30e9\u30d5\u30e9\u306e\u306f\u5927\u4e8b\u3002<br>\u81ea\u5206\u306e\u611f\u899a\u3060\u3051\u306b\u983c\u3089\u305a\u5e97\u54e1\u3055\u3093\u306b\u4eca\u6d41\u884c\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u805e\u3044\u305f\u308a\u3057\u3066\u60c5\u5831\u53ce\u96c6<img decoding=\"async\" loading=\"lazy\" height=\"19\" width=\"19\" src=\"https:\/\/pds.exblog.jp\/emoji\/174.png\" alt=\"174.png\"><br>\u4eca\u56de\u306f\u8857\u4e2d\u3067\u3082\u76ee\u7acb\u3063\u3066\u3044\u305f\u30df\u30f3\u30c8\u30b0\u30ea\u30fc\u30f3bag\u3092\u6dfb\u3048\u3066\u307e\u3057\u305f\u3002<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":115,"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":[37,42,59,61],"tags":[71,53,16],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2021\/03\/i_ill20201016_2.jpg","_links":{"self":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/114"}],"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=114"}],"version-history":[{"count":1,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/114\/revisions"}],"predecessor-version":[{"id":116,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/114\/revisions\/116"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media\/115"}],"wp:attachment":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media?parent=114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/categories?post=114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/tags?post=114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}