副都心線

[https://gyazo.com/4dec54d6636e63a149c09916b758fb47]

https://ja.wikipedia.org/wiki/%E6%9D%B1%E4%BA%AC%E3%83%A1%E3%83%88%E3%83%AD%E5%89%AF%E9%83%BD%E5%BF%83%E7%B7%9A https://upload.wikimedia.org/wikipedia/commons/a/a3/Logo_of_Tokyo_Metro_Fukutoshin_Line.svg