な with a な-adjective before another adjective


> 赤ちゃんも安全 **な** 温かい場所で大きく強くなる。

This sentence is from a book for young children.

Why aren't the two adjectives connected with で （安全で温かい場所）?

I'm not sure if it's important, but in the book the sentence is written with
hiragana only.

