This is the 1070th most frequent Japanese word.
本格
Authentic; genuine; full-scale.
Here, '本格的' describes something authentic, adhering to the original or traditional way of preparation in the context of Japanese cuisine.
このレストランでは本格的な日本料理を味わうことができます。
At this restaurant, you can experience authentic Japanese cuisine.
In this instance, '本格的に' means doing something earnestly or seriously, implying starting a commitment seriously.
彼は本格的にピアノを習い始めた。
He has started learning the piano seriously.
Here, '本格的な' is used to mean professional-grade or using advanced methods, indicating the expertise level involved in filmmaking.