いろんなフォントで「relative_clause」変換
Zen Old Minchorelative_clause
Yusei Magicrelative_clause
M PLUS 1relative_clause
Shippori Antiquerelative_clause
Yuji Mairelative_clause
Dela Gothic Onerelative_clause
DotGothic16relative_clause
Train Onerelative_clause
Hira Minchorelative_clause
Potta Onerelative_clause
Reggae Onerelative_clause
Stickrelative_clause
Zen Kurenaidorelative_clause
Kosugi Marurelative_clause
Rampart Onerelative_clause
Hachi Maru Poprelative_clause
New Tegominrelative_clause
RocknRoll Onerelative_clause
Kaisei Decolrelative_clause
「relative_clause」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
