<https://habitatjp.org/#listItem>
<http://schema.org/position>
"1"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://habitatjp.org/archive/9479/20190326selo%E6%94%AF%E6%8F%B4%E3%83%A9%E3%82%A4%E3%83%96-30>