*1:http://www.kan-yasuda.co.jp/ See eg. https://ja.wikipedia.org/wiki/%E5%AE%89%E7%94%B0%E4%BE%83
*2:https://www.tokyo-midtown.com/ See also https://sumita-m.hatenadiary.com/entry/20071119/1195473914 https://sumita-m.hatenadiary.com/entry/20071220/1198175245 https://sumita-m.hatenadiary.com/entry/20100517/1274095015 https://sumita-m.hatenadiary.com/entry/20100524/1274713865 https://sumita-m.hatenadiary.com/entry/20170920/1505876797 https://sumita-m.hatenadiary.com/entry/2020/02/05/011044 https://sumita-m.hatenadiary.com/entry/2020/02/15/084935