いろんなフォントで「common era」変換
Zen Old Minchocommon era
Yusei Magiccommon era
M PLUS 1common era
Shippori Antiquecommon era
Yuji Maicommon era
Dela Gothic Onecommon era
DotGothic16common era
Train Onecommon era
Hira Minchocommon era
Potta Onecommon era
Reggae Onecommon era
Stickcommon era
Zen Kurenaidocommon era
Kosugi Marucommon era
Rampart Onecommon era
Hachi Maru Popcommon era
New Tegomincommon era
RocknRoll Onecommon era
Kaisei Decolcommon era
「common era」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
