Glass Office Hiroshima, the Niigawa Denki Chugoku Branch headquarters, stands as a contemporary office building completed in 2001 in Hiroshima's Takeyacho district. Designed by Yokogawa Design Workshop, this structure exemplifies early 21st-century Japanese commercial architecture. The building's name directly references its defining characteristic: extensive use of glass as a primary design element. This material choice creates a transparent facade that distinguishes the structure within its urban context. The design approach reflects contemporary trends toward open, light-filled workspaces and environmental consciousness. The building demonstrates how glass can be employed strategically in office design to achieve both aesthetic and functional objectives while adapting to Hiroshima's distinctive architectural landscape.