<https://style.nikkei.com/article/DGXMZO56325890T00C20A3000000?channel=ASH03003&k=202002140300>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebPage>
<https://style.nikkei.com/article/DGXMZO56325890T00C20A3000000?k=202002140300>