#container #header #library-logo, #container #mini-header .mini-library-logo 
{
	background: url(https://uekusa.opac.jp/unique/images/logo_0001.jpg?v=20250410) no-repeat left center;
	background-size: auto;
}
#container #header #library-logo
{
	background-size: contain;
}
#container #mini-header .mini-library-logo 
{
	background-size: contain;
}