1. Policy Research Institute, Ministry of Finance, Tokyo 100-8440, Japan
2. Research Center for Diversity and Inclusion, Hiroshima University, Hiroshima 739-8524, Japan
3. Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan
4. Research Institute for Future Design, Kochi University of Technology, Kochi 782-8517, Japan
5. Research Institute of Humanity and Nature, Kyoto 603-8047, Japan