いろんなフォントで「gravity_gradient」変換
Zen Old Minchogravity_gradient
Yusei Magicgravity_gradient
M PLUS 1gravity_gradient
Shippori Antiquegravity_gradient
Yuji Maigravity_gradient
Dela Gothic Onegravity_gradient
DotGothic16gravity_gradient
Train Onegravity_gradient
Hira Minchogravity_gradient
Potta Onegravity_gradient
Reggae Onegravity_gradient
Stickgravity_gradient
Zen Kurenaidogravity_gradient
Kosugi Marugravity_gradient
Rampart Onegravity_gradient
Hachi Maru Popgravity_gradient
New Tegomingravity_gradient
RocknRoll Onegravity_gradient
Kaisei Decolgravity_gradient
「gravity_gradient」をコピペできる装飾文字に変換（旧字体・丸囲みなど）
