Japan court rules same-sex marriage ban is constitutional, but activists see a silver lining
https://edition.cnn.com/2022/11/30/asia/japan-same-sex-marriage-ban-tokyo-court-intl-hnk/index.html
It must be much more difficult for Japanese to legally allow the same sex couples to marry than other G7 countries. That's because there are more portions of elderly people than other G7 countries, meaning that there are more conservative people in Japan.