Travel Shinjuku-Kawaguchiko-Hakone-Shinjuku

Hi all, i plan to visit kawaguchiko and hakone in 3 days using fuji hakone pass. i will be taking the chuo bus from shinjuku to kawaguchiko. My questions below:
1. How can i travel from Kawaguchiko to Hakone with the plan to visit Gotemba on the way by making use of the Pass?
2. Undetrstand Fuji Hakone Pass has 2 types - A Ticket and B Ticket. Does it mean i will only need to purchase B Ticket to travel back from Hakone to Shinjuku if i were to go by train (since i will be traveling by bus from Shinjku to Kawaguciko)? Can i purchase Fuji Hakone Pass B Ticket online up front?
TIA!

Hi superyes
2.B ticket does not include round-trip transportation expenses, so transportation expenses from Hakone to Shinjuku are required separately.
The A ticket requires you to take a bus from Shinjuku to Kawaguchiko, so if you want to take the train, you will need to purchase a B ticket.
Tickets cannot be purchased via the internet.
Please purchase at Otsuki Station, Kawaguchiko Station, Odakyu Sightseeing Service Center, Shinjuku West/Odawara.
1. Fujikyu Bus has a bus that goes from Lake Kawaguchi to Gotemba.
Since copy and paste is not possible, it seems that it cannot be translated with translation software.
https://www.fujikyubus.co.jp/pdf/rosen/detail_id6_timetable_202310.pdf
Take the train from Kawaguchiko Station（河口湖駅,Kawaguchiko-eki) to JR Gotemba Station(JR御殿場駅,JR Gotemba-eki).
If you want to change buses, take the passageway at JR Gotemba Station (you can pass through it without taking the train) and go to the Hakone Otome Exit on the other side of the station.
https://www.hakonenavi.jp/international/en/station/gotemba
From there, buses depart for Hakone.
Check out the details in English here.
https://www.odakyu.jp/english/passes/fujihakone/​;

sorry.
Last link failed.
Check here.
https://www.odakyu.jp/english/passes/fujihakone/

I'm sorry again and again.
It seems that the information I was checking was old (information from 2016)
Check here for details. (Please check especially the information on Odakyu Line)
https://www.odakyu.jp/english/passes/fujihakone/