~のぼる  => To increase N2
Reach level
... おぼえはない => don't remember... N3
Position, perspective
つきましては => about; concerning; regarding N2
Cause, reason
ひとつには…ためである => Partly because of ... N3
Cause, reason
ままになる => Just let... N4
Continuous
ついには => finally; at last; in the end ~ N2
Result status
とはべつに => in addition to; apart from. N2
Description
ままにする => as, to do as ~ N4
Continuous
までになる => becoming ~ N2
Reach level
からつくる/でつくる => made from; made with N4
につけ~につけ => each time, whenever, either way N2
べつに => separately N2
Description