.mdl__accordion{
  display: block;
  color: var(--neutral-dark-key-color);
  overflow: hidden;
  margin-bottom: var(--padding-vertical);
}
.mdl__accordion__header{
  padding: 0 var(--padding-horizontal);
  box-sizing: border-box;
}
.mdl__accordion__headline{
  font-size: 30rem;
  line-height: 1.35em;
  font-weight: 600;
  margin-bottom: 0.75em;
  text-transform: uppercase;
}
@media all and (min-width: 1360px){
  .mdl__accordion__headline{
    font-size: 40rem;
    line-height: 1.35em;
  }
}
@media all and (min-width: 1680px){
  .mdl__accordion__headline{
    max-width: 80%;
  }
}
.mdl__accordion__subject{
  box-sizing: border-box;
  transition:background-color 0.5s ease;
  &.mdl__accordion__subject--open {
    background-color: var(--neutral-mid-dark-key-color);
  }
}
.mdl__accordion__subject:after{
  display: block;
  content: '';
  width: calc(100% - (2 * var(--padding-horizontal)));
  height: 1rem;
  background-color: var(--neutral-mid-key-color);
  margin: 0 var(--padding-horizontal);
}
.mdl__accordion__subject:first-of-type:before{
  display: block;
  content: '';
  width: calc(100% - (2 * var(--padding-horizontal)));
  height: 1rem;
  background-color: var(--neutral-mid-key-color);
  margin: 0 var(--padding-horizontal);
}
.mdl__accordion__subject__title{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  cursor: pointer;
  padding: 20rem var(--padding-horizontal);
  box-sizing: border-box;
  font-size: 24rem;
  line-height: 1.35em;
  font-weight: 400;
  transition: color 0.38s ease, background-color 0.38s ease;
  text-transform: uppercase;
}
@media all and (min-width: 768px){
  .mdl__accordion__subject__title {
    align-items: center;
  }
}
.mdl__accordion__subject__title > .mdl__accordion__subject__title__icon{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 35rem;
  height: 35rem;
  flex: 0 0 35rem;
  padding: 5rem;
  background-color: var(--secondary-key-color);
  box-sizing: border-box;
  margin-left: 20rem;
}
.mdl__accordion__subject__title > .mdl__accordion__subject__title__icon > svg{
  width: 100%;
  height: auto;
  display: block;
  transform: rotate(45deg);
  transition: transform 0.38s ease;
  color: #fff;
}
@media all and (min-width: 1024px){
  .mdl__accordion__subject__title > .mdl__accordion__subject__title__icon {
    margin-left: 50rem;
  }
}

@media all and (min-width: 1360px){
  .mdl__accordion__subject__title > .mdl__accordion__subject__title__icon {
    width: 41rem;
    height: 41rem;
    flex: 0 0 41rem;
  }
}

.mdl__accordion__container{
  display: block;
  overflow: hidden;
  transition: height 0.5s ease,background-color 15s ease;
}
.mdl__accordion__content{
  padding: 1.5rem 0;
  box-sizing: border-box;
}
.mdl__accordion__content > *:last-child{
  margin-bottom: calc(var(--padding-vertical) * 0.5);
}
.mdl__accordion__subject--open .mdl__accordion__subject__title  > .mdl__accordion__subject__title__icon > svg {
  transform: rotate(0);
}
.mdl__accordion__subject--open .mdl__accordion__container{
  /*background: #fff;*/
  background-color: var(--neutral-mid-dark-key-color);
}