TOKYO — When he got married this summer, Hiroshi Kanno, who works at a security services firm in Tokyo, wanted to make a big statement that would impress his future in-laws.So he asked for his company’s president to send a congratulatory telegram.It arrived during the wedding party and was read aloud. “It really pumped up the atmosphere,” Mr. Kanno, 33, said. “I felt like a celebrity,” added his wife, Asuka, a 31-year-old office administrator. They posted photos of that message and another wedding telegram on Twitter, along with the his-and-her Hello Kitty dolls that were delivered with the notes.The telegram, a form of communication associated more with the Roaring ’20s than the 2020s, has kept a foothold in Japa …
