いろんなフォントで「rivet_line」変換
Zen Old Minchorivet_line
Yusei Magicrivet_line
M PLUS 1rivet_line
Shippori Antiquerivet_line
Yuji Mairivet_line
Dela Gothic Onerivet_line
DotGothic16rivet_line
Train Onerivet_line
Hira Minchorivet_line
Potta Onerivet_line
Reggae Onerivet_line
Stickrivet_line
Zen Kurenaidorivet_line
Kosugi Marurivet_line
Rampart Onerivet_line
Hachi Maru Poprivet_line
New Tegominrivet_line
RocknRoll Onerivet_line
Kaisei Decolrivet_line
「rivet_line」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
