何とは言わないマイページのスクロールを軽くするやつ

sutaazu.css

#container {
  background-attachment: initial !important;  
}

.m_bg-star01 {
  animation: none !important;
}
#container, #container:before, .l_background-hack {
  background-attachment: initial;
  animation: none !important;
}

.t_pre #container, .t_pre #container:before, .t_pre .l_background-hack {
  background-attachment: initial;
  animation: none !important;
}