全くかまいません。

It's quite all right.

全(まった)くかまいません。

Mattaku kamaimasen.

全く (まったく)

really; truly; entirely; completely; wholly; perfectly; indeed; good grief (expression of exasperation)

構う (かまう)

to mind; to care about; to be concerned about; to care for; to look after; to prepare for; to interfere with; to meddle in; to tease

Readings: ゼン、まった.く、すべ.て

Meanings: whole, entire, all, complete, fulfill