いろんなフォントで「pen_pal」変換
Zen Old Minchopen_pal
Yusei Magicpen_pal
M PLUS 1pen_pal
Shippori Antiquepen_pal
Yuji Maipen_pal
Dela Gothic Onepen_pal
DotGothic16pen_pal
Train Onepen_pal
Hira Minchopen_pal
Potta Onepen_pal
Reggae Onepen_pal
Stickpen_pal
Zen Kurenaidopen_pal
Kosugi Marupen_pal
Rampart Onepen_pal
Hachi Maru Poppen_pal
New Tegominpen_pal
RocknRoll Onepen_pal
Kaisei Decolpen_pal
「pen_pal」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
