Three-year-old Ran Sugiura peers out the front door of her Tokyo home, a concept-driven yet surprisingly livable piece of architecture that her parents describe as uniquely well suited to the family’s flexible “futon lifestyle."  Photo 2 of 5 in Stacked  by Jami Smith from Unique Tokyo-Based Architects

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Three-year-old Ran Sugiura peers out the front door of her Tokyo home, a concept-driven yet surprisingly livable piece of architecture that her parents describe as uniquely well suited to the family’s flexible “futon lifestyle."