いろんなフォントで「time_constant」変換
Zen Old Minchotime_constant
Yusei Magictime_constant
M PLUS 1time_constant
Shippori Antiquetime_constant
Yuji Maitime_constant
Dela Gothic Onetime_constant
DotGothic16time_constant
Train Onetime_constant
Hira Minchotime_constant
Potta Onetime_constant
Reggae Onetime_constant
Sticktime_constant
Zen Kurenaidotime_constant
Kosugi Marutime_constant
Rampart Onetime_constant
Hachi Maru Poptime_constant
New Tegomintime_constant
RocknRoll Onetime_constant
Kaisei Decoltime_constant
「time_constant」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
