いろんなフォントで「market_letter」変換
Zen Old Minchomarket_letter
Yusei Magicmarket_letter
M PLUS 1market_letter
Shippori Antiquemarket_letter
Yuji Maimarket_letter
Dela Gothic Onemarket_letter
DotGothic16market_letter
Train Onemarket_letter
Hira Minchomarket_letter
Potta Onemarket_letter
Reggae Onemarket_letter
Stickmarket_letter
Zen Kurenaidomarket_letter
Kosugi Marumarket_letter
Rampart Onemarket_letter
Hachi Maru Popmarket_letter
New Tegominmarket_letter
RocknRoll Onemarket_letter
Kaisei Decolmarket_letter
「market_letter」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
