Hokkaido Color Universal Design Organization.

HOMETEDxSapporo Youth 2023, TEDxYouth@Sapporo 2021, TEDxYouth@Sapporo 2020, TEDxSapporo 2019, TEDxYouth@Sapporo 2019, TEDxSapporo 2018, TEDxSapporo 2017, TEDxSapporo 2016, TEDxSapporo 2015, TEDxSapporo 2014Hokkaido Color Universal Design Organization.

Hokkaido Color Universal Design Organization.

2018.06.29