// 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":301,"date":"2022-02-20T14:46:17","date_gmt":"2022-02-20T05:46:17","guid":{"rendered":"https:\/\/riekoshimizu.com\/?p=301"},"modified":"2023-07-16T13:12:59","modified_gmt":"2023-07-16T04:12:59","slug":"%e8%8a%b1%e3%82%92%e6%8c%81%e3%81%a4%e7%94%b7%e6%80%a7%e3%80%90%e3%82%aa%e3%83%aa%e3%82%b8%e3%83%8a%e3%83%ab%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88%e3%80%91","status":"publish","type":"post","link":"https:\/\/riekoshimizu.com\/%e8%8a%b1%e3%82%92%e6%8c%81%e3%81%a4%e7%94%b7%e6%80%a7%e3%80%90%e3%82%aa%e3%83%aa%e3%82%b8%e3%83%8a%e3%83%ab%e3%82%a4%e3%83%a9%e3%82%b9%e3%83%88%e3%80%91\/","title":{"rendered":"\u82b1\u3092\u6301\u3064\u7537\u6027\u3010\u30aa\u30ea\u30b8\u30ca\u30eb\u30a4\u30e9\u30b9\u30c8\u3011"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"602\" height=\"602\" src=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2022\/02\/i_ill20220220_2.jpg\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2022\/02\/i_ill20220220_2.jpg 602w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2022\/02\/i_ill20220220_2-420x420.jpg 420w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><figcaption class=\"wp-element-caption\">\u5148\u65e5\u3001\u901a\u308a\u904e\u304e\u305f\u30b9\u30fc\u30c4\u59ff\u306e\u7537\u6027\u304c\u82b1\u675f\u3092\u62b1\u3048\u3066\u3044\u307e\u3057\u305f\u3002<br>..\u3068\u3044\u3063\u3066\u3082\u679d\u306e\u307f\u3002\u82b1\u306f\u54b2\u3044\u3066\u3044\u307e\u305b\u3093\u3002<br>\u3053\u306e\u5b63\u7bc0\u306f\u6885\u304b\u306a\uff1f\u81ea\u5b85\u306b\u98fe\u308b\u306e\u304b\u306a\uff1f\u306a\u3093\u3066\u60f3\u50cf\u3057\u306a\u304c\u3089\u6b69\u3044\u3066\u3044\u307e\u3057\u305f\u3002<br>\u82b1\u675f\uff0b\u7537\u6027\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u304b\u3063\u3053\u3044\u3044\u3067\u3059\u3002<br>\u300c\u5973\u6027\u7684\u306a\u3082\u306e\u300d\u3068\u300c\u7537\u6027\u7684\u306a\u3082\u306e\u300d\u3082\u306e\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u79c1\u306f\u30b0\u30c3\u3068\u304f\u308b\u3088\u3046\u3067\u3059\u3002<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":303,"comment_status":"closed","ping_status":"closed","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":[37,187],"tags":[105,242,84,18,144,143],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2022\/02\/i_ill20220220_2.jpg","_links":{"self":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/301"}],"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=301"}],"version-history":[{"count":2,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":509,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/301\/revisions\/509"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media\/303"}],"wp:attachment":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/tags?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}