いろんなフォントで「common_logarithm」変換
Zen Old Minchocommon_logarithm
Yusei Magiccommon_logarithm
M PLUS 1common_logarithm
Shippori Antiquecommon_logarithm
Yuji Maicommon_logarithm
Dela Gothic Onecommon_logarithm
DotGothic16common_logarithm
Train Onecommon_logarithm
Hira Minchocommon_logarithm
Potta Onecommon_logarithm
Reggae Onecommon_logarithm
Stickcommon_logarithm
Zen Kurenaidocommon_logarithm
Kosugi Marucommon_logarithm
Rampart Onecommon_logarithm
Hachi Maru Popcommon_logarithm
New Tegomincommon_logarithm
RocknRoll Onecommon_logarithm
Kaisei Decolcommon_logarithm
「common_logarithm」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
