いろんなフォントで「mean_time」変換
Zen Old Minchomean_time
Yusei Magicmean_time
M PLUS 1mean_time
Shippori Antiquemean_time
Yuji Maimean_time
Dela Gothic Onemean_time
DotGothic16mean_time
Train Onemean_time
Hira Minchomean_time
Potta Onemean_time
Reggae Onemean_time
Stickmean_time
Zen Kurenaidomean_time
Kosugi Marumean_time
Rampart Onemean_time
Hachi Maru Popmean_time
New Tegominmean_time
RocknRoll Onemean_time
Kaisei Decolmean_time
「mean_time」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
