<https://snailtrack-higayodo.com/backnumber/kenkoucolumn/hidasletter_vol3_10/#listItem>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/ListItem>
<https://snailtrack-higayodo.com/backnumber/kenkoucolumn/hidasletter_vol3_10/>