As the game points out, not only through the implication of the message, but through an extensive codex entry, Torii gates ...

As you walk through its towering torii gates and lush forested paths ... The Imperial Palace, home to Japan's royal family, stands as a symbol of continuity amidst change. Located on the former site ...

A 65-year-old U.S. citizen was detained by Japanese police on charges of vandalizing the wooden torii gate of one of ... an investigation after finding a symbol meaning "death" in two places ...