Travel : KIX to Kobecity

I will be in Kobe in Osaka in October. What is the most efficient way to travel from KIX to Kobe city? Is taxi expensive?

Trains(one transfering) usual, next is Bus,
http://www.kansai-airport.or.jp/en/access/train/index.html
https://goo.gl/maps/AH3LF7rsVqC2 (change date and time)
http://www.kansai-airport.or.jp/en/access/bus/index.html
also short cut route High speed ferry exist
but arr port is not close to mid town of Kobe city.
http://www.kansai-airport.or.jp/en/access/ferry/index.html
http://www.kobe-access.jp/eng/areamap.php
http://www.kairport.co.jp/eng/access/index.html

Is taxi expensive?
Depends on yr budget, number of travelers or arr time.
https://www.taxifarefinder.com/jp/
Around 20000Y including sals tax 8% and toll road fee.
(btw 22:00-5:00 will be 20% up as mid-night charge)

Did you think of looking here?
http://www.japan-guide.com/e/e3554.html?aFROM=2033_2159

Thank you...very useful indeed!!