URL https://media.istockphoto.com/vectors/15th-golden-anniversary-logo-celebration-with-frame-and-hand-drawn-vector-id1184714827?k=20&m=1184714827&s=612x612&w=0&h=PrxF369UodxrlCgz_a3nsKccaztaaKaDVMZqgjCXft0=
URL2 https://www.istockphoto.com/jp/イラスト/数字の15
