.sidenav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  background: black;
  transition: all .3s;
  z-index: 2;
  padding-left: 14px;
}

.sidenav.open {
  opacity: 1;
  visibility: visible;
}

.sidenav .container {
  display: flex;
  justify-content: center;
  flex-direction: column;
  box-sizing: border-box;
  white-space: nowrap;
  width: fit-content;
  block-size: fit-content;
  height: calc(var(--vh, 1vh) * 100);
}

.sidenav .container a {
  margin: 0;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 130px;
  font-weight: 900;
  text-decoration: none;
  text-transform: lowercase;
  line-height: 1;
  transition: color .0s, margin .3s;
  -webkit-user-select: none;
  user-select: none;
  margin-left: 20px;
  z-index: 99;
  display: table;
  mix-blend-mode: difference;
}
.sidenav .container a:hover {
  color: transparent;
  -webkit-text-stroke: 1px #fff;
}

.sidenav .container a:nth-child(2) {
  margin-left: 40px;
}
.sidenav .container a:nth-child(3) {
  margin-left: 60px;
}
.sidenav .container a:nth-child(4) {
  margin-left: 80px;
}
.sidenav .container a:nth-child(5) {
  margin-left: 100px;
}

.sidenav.open .container a {
  margin-left: 0;
}

.sidenav .container a span {
  margin: 0;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 300;
  vertical-align: 55px;
}
.sidenav .container a:hover span {
  color: #fff;
  -webkit-text-stroke: 0px;
}


.sidenav .brief {
  position: absolute;
  right: 14px;
  bottom: 26px;
  display: flex;
  justify-content: center;
  flex-direction: column;
  box-sizing: border-box;
  white-space: nowrap;
  height: fit-content;
  width: fit-content;
  block-size: fit-content;
}

.sidenav .brief a {
  text-decoration: underline;
  margin-bottom: 5px !important;
}
.sidenav .brief a:hover {
  color: var(--primary-color);
}

.sidenav .brief a,
.sidenav .brief p {
  padding: 0;
  margin: 0;
  color: #fff;
  font-family: 'Roboto Mono', monospace;
  font-weight: 400;
  text-align: right;
  line-height: 1;
  font-size: 1rem;
  z-index: 99;
  display: table;
  mix-blend-mode: difference;
}



@media (max-width: 1024px) {
  .sidenav .container a {
    font-size: 105px;
  }

  .sidenav .container a span {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  .sidenav .container a {
    font-size: 89px;
  }

  .sidenav .container a span {
    font-size: 17px;
    vertical-align: 40px;
  }
}


@media (max-width: 570px) {
  .sidenav .container a {
    font-size: 16vw;
  }

  .sidenav .container a span {
    font-size: 17px;
    vertical-align: 8vw;
  }  
}

@media (max-width: 425px) {
  .sidenav .container a span {
    font-size: 15px;
  }

  .sidenav .brief a, 
  .sidenav .brief p {
    font-size: 17px;
  }
}

@media (max-width: 320px) {
  .sidenav .container a {
    font-size: 15vw;
  }

  .sidenav .brief a, 
  .sidenav .brief p {
    font-size: 15px;
  }
}