It is a very famous building, located in Odaiba flamboyantly signed by Kenzo Tange back in 1993, the japanese wiki voice says so 8completed in 1997.
It is the main site for a TV Channel called Fuii TV. At the moment they`re advertising a lot the manga called One Piece. ,Years ago in Italy I sometimes watched it , it was memorable.
There is a sliding scale with a nice structural cover.
Here below some more images.