To be extremely thoughtful or thorough, attending even to small, particular needs; to anticipate what people want.
このホテルはサービスが行き届いていて、かゆいところに手が届く。
This hotel provides meticulous service and attends to even the smallest details.
かゆいところに手が届く仕様で、このアプリは評判がいい。
This app is praised for its design that anticipates users' needs down to the smallest details.
彼女は部下の面倒見がよく、まさにかゆいところに手が届く上司だ。
She takes great care of her subordinates and is exactly the kind of boss who anticipates small needs.