いろんなフォントで「foreign_agent」変換
Zen Old Minchoforeign_agent
Yusei Magicforeign_agent
M PLUS 1foreign_agent
Shippori Antiqueforeign_agent
Yuji Maiforeign_agent
Dela Gothic Oneforeign_agent
DotGothic16foreign_agent
Train Oneforeign_agent
Hira Minchoforeign_agent
Potta Oneforeign_agent
Reggae Oneforeign_agent
Stickforeign_agent
Zen Kurenaidoforeign_agent
Kosugi Maruforeign_agent
Rampart Oneforeign_agent
Hachi Maru Popforeign_agent
New Tegominforeign_agent
RocknRoll Oneforeign_agent
Kaisei Decolforeign_agent
「foreign_agent」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
