Tokyo has many beautiful city lights.
I introduce some city lights which I recommend.
======================================Rainbow Bridge in Odaiba
The towers supporting the bridge are illuminated into three colors, red, white and green.
You can cross the bridge by foot.
Place: Kaigan, Minato-ku, Tokyo
Access: Odaiba Kaihin Koen Station (Yurikamome line)
======================================Sky deck of Roppongi Hills
This building has the highest open deck in Japan.
In this building, there are shops, and movie theater, you can enjoy it, too.
Place: 1-10-6 Roppongi, Minato-ku, Tokyo
Access: Roppongi Station (Hibiya line of Tokyo Metro or Oedo line of Toei Subway)
======================================Observation platform of Tokyo Tower
Tokyo Tower has two observation platforms, big one and special one.
Place: 4-2-8 Shibakoen, Minato- ku, Tokyo
Access: 5 walk minutes from Akabanebashi Station (Toei Oedo line)
7 walk minutes from Kamiyatyo Station (Tokyo Metro line)
MICHELIN featured Mt.Takao as 3 star!
Place: Takao- cho, Hachiojishi
Access: Takao Sanguchi Station (Keio Line)
======================================Observation platform of Marunouchi Building
I especially recommend this 5th floor.
You can see lighted up Tokyo Station.
Place: 2-4-1 Marunouchi, Chiyoda-ku
Access(from Shinjuku): Tokyo Station (JR Chuo Line)
======================================The Metropolitan Government
You can enjoy the night view with good wine, cocktail.
Place: 2-8-1 Nishishinjuku, Shinjuku-ku
Access: 10 walk minutes from Shinjuku Station
You can see Yokohama from here.
In this observation platform, there is much space, so you can relax.
Place: 3-1-1 Higashiikebukuro, Toshima-ku
Access: 8 walk minutes from Ikebukuro Station