*1:See also https://sumita-m.hatenadiary.com/entry/2020/01/15/095950
*2:See also https://sumita-m.hatenadiary.com/entry/2020/09/18/024035 https://sumita-m.hatenadiary.com/entry/2020/10/13/010902 https://sumita-m.hatenadiary.com/entry/2021/02/03/090226 https://sumita-m.hatenadiary.com/entry/2021/08/07/235248 https://sumita-m.hatenadiary.com/entry/2022/03/17/110049 https://sumita-m.hatenadiary.com/entry/2022/03/28/133531 https://sumita-m.hatenadiary.com/entry/2022/04/06/163739 https://sumita-m.hatenadiary.com/entry/2023/08/15/165847 https://sumita-m.hatenadiary.com/entry/2023/10/06/105756 https://sumita-m.hatenadiary.com/entry/2024/03/21/100113 https://sumita-m.hatenadiary.com/entry/2024/10/09/102229 https://sumita-m.hatenadiary.com/entry/2025/03/06/123344 https://sumita-m.hatenadiary.com/entry/2025/05/01/153022
