*1:See also https://sumita-m.hatenadiary.com/entry/2020/11/10/100137 https://sumita-m.hatenadiary.com/entry/2021/06/04/195656 https://sumita-m.hatenadiary.com/entry/2023/02/03/093811
*2:See also https://sumita-m.hatenadiary.com/entry/2020/06/11/100221 https://sumita-m.hatenadiary.com/entry/2021/07/11/174910 https://sumita-m.hatenadiary.com/entry/2021/07/15/082637 https://sumita-m.hatenadiary.com/entry/2022/12/01/092903 https://sumita-m.hatenadiary.com/entry/2023/02/24/134647 https://sumita-m.hatenadiary.com/entry/2023/03/18/112414 https://sumita-m.hatenadiary.com/entry/2023/03/25/160235 https://sumita-m.hatenadiary.com/entry/2023/04/08/093658
