@media screen and (min-width: 768px) {
  header p.logo {
    width: 102px;
  }
  header nav .menu_inner p.museum a {
    width: 140px;
  }
  footer nav {
    line-height: 18px;
    font-size: 12px;
  }
  footer nav > ul li ul {
    margin-top: 20px;
    line-height: 30px;
  }
}
@media screen and (max-width: 767px) {
  header p.logo {
    width: 51px;
  }
}