definitely water but maybe wind too.
Currently there is just Hinatas love, so wait and see
Shippuden episode 166
Hanabi is Hinatas little sister
I think its water.
Nature chakra is the energy from the earth. Not elements. Naruto's element is wind, not fire. It would be very hard, or nigh impossible for Naruto to attain the ability to create a fire Rasengan.
Currently there is just Hinatas love, so wait and see
Shippuden episode 166
I would say a mix of blue and black.
No i dont think he really cares right now.
hinatas sister and hinata are not in broken bond
No. Hinata wasn't harmed by Naruto during the Pein fight.
After Naruto beats Neji, he understands that the sub-branch of his family is very important to the whole family and aren't just used as slaves, when that happens, he becomes friends with Hinata.
Hanabi is Hinatas little sister
Fuuton (Wind)
air
I think its water.
the fourth hokage's element specialty is lightning