Police holding cells, where those who have been arrested spend time until they are formally charged with a crime, are beginning to evolve as awareness grows across the criminal justice system about human rights and the country's increasingly diverse populace.
As demographic changes lead police to process a growing number of elderly people, foreign nationals and sexual minorities who have fallen afoul of the law, facilities must meet a wider range of health and dietary needs and requirements of people with various gender identities.
At a police station near Harajuku, the pop-culture hub in Tokyo's Shibuya Ward, detention cells were built with individually partitioned toilets when the facility was moved to the current location nine years ago.