トイレ：
このななめがよさそう。
https://item.rakuten.co.jp/hts/cs510bm-ss511/?ultra_crid=cs510bm-ss511&variantId=CS510BM-SS511-NG2&scid=af_pc_etc&sc2id=af_113_0_10001868&icm_acid=255-776-8501&icm_cid=18507115089&iasid=wem_icbs_&gclid=CjwKCAjwk7DFBhBAEiwAeYbJsZhs-coFeMkaYciq58utkBzzXzBK8uZyf_vOXqLLSzHtYHyyRDwOERoCv2MQAvD_BwE&gbraid=0AAAAADoVjpjoOY2CwhWQHTTiOWuNppxli&ifd=57&icm_agid=
https://search.toto.jp/tr/H06573NZ_202202.pdf?_gl=1*1tb3cve*_ga*OTU4ODY5OTk3LjE3NTYxODQ0NjA.*_ga_18JF4RM5H4*czE3NTYxODg0MzAkbzIkZzEkdDE3NTYxODkxMzAkajQ0JGwwJGgw&_ga=2.70972372.553100251.1756184461-958869997.1756184460
これでいいんでは？
https://www.janis-kogyo.co.jp/product/toiletroom/smartclean.html
事例
https://rirufa.jp/blog01/3496
https://item.rakuten.co.jp/msi911/cs510bm/?ultra_crid=cs510bm&scid=af_pc_etc&sc2id=af_113_0_10001868&icm_acid=255-776-8501&gclid=CjwKCAjwk7DFBhBAEiwAeYbJsZSftCRldjAr95NgS9k2gYRSLVI9ag6qVO-IzH2h8Q11CnTuPo7S-hoCBAgQAvD_BwE&icm_cid=18507115089&gbraid=0AAAAADoVjpjoOY2CwhWQHTTiOWuNppxli&icm_agid=&iasid=wem_icbs_&ifd=57