.bl_main {
  position: fixed;
  top: 10px;
  left: 130px;
}

.bl_content-wrapper {
  height: calc(100vh - 20px);
}

.bl_management-menu {
  height: calc(100vh - 130px);
  overflow-y: scroll;
}

.ly_apply-menu .bl_management-menu {
  height: calc(100vh - 47px);
}

/* 背景黒仕様 */
body {
  background-color: #000 !important;
}

div,
p,
a,
h1,
h2,
h3,
h4,
h5,
ul,
li,
.smf-item__description span {
  color: #fff !important;
}

.el_terms,
.spread_sheet a,
.ui-datepicker a,
.ui-datepicker select {
  color: #000 !important;
}

/* 背景アニメーション */
#particles-js {
  width: 100vw;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -9999;
}

.hp_hidden {
  display: none !important;
}