Does anyone know what font or calligraphy these three words are ~ ~

This is not a computer font, at least not yet. This was written by someone else with a brush, but it seems that it was not written by a famous calligrapher now.

In addition, "before the mountain" is a divination in the Book of Changes. Gangua is the fifteenth of the sixty-four hexagrams in the Book of Changes. In the divinatory symbols, the upper divinatory symbol is Kun, and the lower divinatory symbol is Gen, which represents the mountain. Gangua Xiakun, because there are mountains in the land. Yamamoto is very tall, but he is underground and his height can't be shown. This is like a kind of high virtue in a person, but he can consciously not show it.