いろんなフォントで「costars」変換
Zen Old Minchocostars
Yusei Magiccostars
M PLUS 1costars
Shippori Antiquecostars
Yuji Maicostars
Dela Gothic Onecostars
DotGothic16costars
Train Onecostars
Hira Minchocostars
Potta Onecostars
Reggae Onecostars
Stickcostars
Zen Kurenaidocostars
Kosugi Marucostars
Rampart Onecostars
Hachi Maru Popcostars
New Tegomincostars
RocknRoll Onecostars
Kaisei Decolcostars
「costars」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
