The diagrams compare the conventional and modern configurations of a two-storey Japanese house.
Overall, it is evident that although several interior items, including the entrance and the ladder are kept to sustain tradition, there are some advanced modifications, such as a reduction in living spaces and an expansion of the bedrooms.
Regarding the ground floor, it is traditionally dominated by living spaces. While the kitchen is reduced in size and repositioned from the middle block of the left-side floor to the bottom left corner, the bathroom is relocated to the upstairs. Similarly, the ladder facing the former kitchen is removed closer to the entrance, whereas the tatami room is rearranged to the original kitchen’s space, creating space for living and dining areas. In contrast, both the cupboard room and the entrance stay untouched.
Turning to the upstairs of the house, which is primarily utilized for sleeping. There are eliminations of the cupboard room and the tatami room two, whose spaces are dominated by two new bedrooms along the top side. Finally, both the tatami room three and the bigger cupboard room are replaced by the bathroom from the ground floor and the main bedroom, respectively.