いろんなフォントで「river_trent」変換
Zen Old Minchoriver_trent
Yusei Magicriver_trent
M PLUS 1river_trent
Shippori Antiqueriver_trent
Yuji Mairiver_trent
Dela Gothic Oneriver_trent
DotGothic16river_trent
Train Oneriver_trent
Hira Minchoriver_trent
Potta Oneriver_trent
Reggae Oneriver_trent
Stickriver_trent
Zen Kurenaidoriver_trent
Kosugi Maruriver_trent
Rampart Oneriver_trent
Hachi Maru Popriver_trent
New Tegominriver_trent
RocknRoll Oneriver_trent
Kaisei Decolriver_trent
「river_trent」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
