いろんなフォントで「working_day」変換
Zen Old Minchoworking_day
Yusei Magicworking_day
M PLUS 1working_day
Shippori Antiqueworking_day
Yuji Maiworking_day
Dela Gothic Oneworking_day
DotGothic16working_day
Train Oneworking_day
Hira Minchoworking_day
Potta Oneworking_day
Reggae Oneworking_day
Stickworking_day
Zen Kurenaidoworking_day
Kosugi Maruworking_day
Rampart Oneworking_day
Hachi Maru Popworking_day
New Tegominworking_day
RocknRoll Oneworking_day
Kaisei Decolworking_day
「working_day」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
