LINE (now LINE Yahoo!), which develops and deploys a wide variety of IT services, established a new office in Yotsuya and relocated Head Office to further streamline operations in response to the increase in employees that accompanied the expansion of its business. This was a large-scale project consisting of 10 floors. Based on concept design concept common to all of the company's offices, "A space that creates WOW," the 23rd floor was equipped with a reception and cafe space, and the top floor (30th floor) was equipped with a mobile space that LINERs (employees) could freely rearrange to hold meetings. The office area was also designed with a highly functional concept design, creating a comfortable workplace. We were responsible for all stacking, layout, interiors concept design, architectural design, and facility planning for the total floor area of 21,435.20 m2 (approximately 6,500 tsubo). We also produced the fixtures during construction.