// 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":597,"date":"2023-05-03T15:20:28","date_gmt":"2023-05-03T06:20:28","guid":{"rendered":"https:\/\/riekoshimizu.com\/?p=597"},"modified":"2023-05-03T15:20:28","modified_gmt":"2023-05-03T06:20:28","slug":"%e3%80%8c%e5%bf%83%e5%9c%b0%e3%82%88%e3%81%8f%e3%80%8d_%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","status":"publish","type":"post","link":"https:\/\/riekoshimizu.com\/%e3%80%8c%e5%bf%83%e5%9c%b0%e3%82%88%e3%81%8f%e3%80%8d_%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\/","title":{"rendered":"\u300c\u5fc3\u5730\u3088\u304f\u300d_\u30aa\u30ea\u30b8\u30ca\u30eb\u30a4\u30e9\u30b9\u30c8"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill-700x700.jpg\" alt=\"\" class=\"wp-image-598\" width=\"700\" height=\"700\" srcset=\"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill-700x700.jpg 700w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill-630x630.jpg 630w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill-768x768.jpg 768w, https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill.jpg 800w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>\u500b\u4eba\u7684\u306b\u3068\u3066\u3082\u7dda\u304c\u5fc3\u5730\u3088\u304f\u3001\u306a\u305c\u304b\u30b9\u30e9\u30b9\u30e9\u81ea\u7136\u306b\u63cf\u3051\u305f\u4f5c\u54c1\u3002<\/p>\n\n\n\n<p>\u3084\u3055\u3057\u3044\u98a8\u304c\u5439\u3044\u3066\u3001\u6625\u306e\u4eca\u306b\u3061\u3087\u3046\u3069\u3044\u3044\u304b\u306a\u3002<\/p>\n\n\n\n<p>\u3086\u3063\u305f\u308a\u3068\u3057\u305f\u30a4\u30e9\u30b9\u30c8\u3067\u3059\u304c\u3001\u524d\u5411\u304d\u306b\u5f37\u304f\u751f\u304d\u308b\u5973\u6027\u3068\u3057\u3066\u63cf\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u500b\u4eba\u7684\u306b\u3068\u3066\u3082\u7dda\u304c\u5fc3\u5730\u3088\u304f\u3001\u306a\u305c\u304b\u30b9\u30e9\u30b9\u30e9\u81ea\u7136\u306b\u63cf\u3051\u305f\u4f5c\u54c1\u3002 \u3084\u3055\u3057\u3044\u98a8\u304c\u5439\u3044\u3066\u3001\u6625\u306e\u4eca\u306b\u3061\u3087\u3046\u3069\u3044\u3044\u304b\u306a\u3002 \u3086\u3063\u305f\u308a\u3068\u3057\u305f\u30a4\u30e9\u30b9\u30c8\u3067\u3059\u304c\u3001\u524d\u5411\u304d\u306b\u5f37\u304f\u751f\u304d\u308b\u5973\u6027\u3068\u3057\u3066\u63cf\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":598,"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],"tags":[105,88,17],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/riekoshimizu.com\/wp-content\/uploads\/2023\/05\/2023_0418compeOill.jpg","_links":{"self":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/597"}],"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=597"}],"version-history":[{"count":1,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/597\/revisions"}],"predecessor-version":[{"id":599,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/posts\/597\/revisions\/599"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media\/598"}],"wp:attachment":[{"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/media?parent=597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/categories?post=597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/riekoshimizu.com\/wp-json\/wp\/v2\/tags?post=597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}