STATE OF THE ART 最先端の

Something is state of the art if it uses the very newest methods, technology, or materials.
state of the art とは、最新の方法、技術、機材を使っている、という意味です。

(a salesman at an electronics store)
The technology is advancing so rapidly that, if you really want something that's state of the art, you should buy a new model every 6 months.
I took a tour of their new research facility. All the equipment is state of the art. It must have cost millions!
We're upgrading the computer system with state-of-the-art hardware.
This building uses state-of-the-art security: eye and palm scanners, surveillance cameras, and laser-tripped alarm systems.

英会話レッスン All the best to you!