いろんなフォントで「snail_mail」変換
Zen Old Minchosnail_mail
Yusei Magicsnail_mail
M PLUS 1snail_mail
Shippori Antiquesnail_mail
Yuji Maisnail_mail
Dela Gothic Onesnail_mail
DotGothic16snail_mail
Train Onesnail_mail
Hira Minchosnail_mail
Potta Onesnail_mail
Reggae Onesnail_mail
Sticksnail_mail
Zen Kurenaidosnail_mail
Kosugi Marusnail_mail
Rampart Onesnail_mail
Hachi Maru Popsnail_mail
New Tegominsnail_mail
RocknRoll Onesnail_mail
Kaisei Decolsnail_mail
「snail_mail」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
