header::after {
  content: '';
  position: absolute;
  top: 80px;
  left: 0;
  right: 0;
  height: 17px;
  background-image: url(../images/bg-wave-bottom-white.png);
  background-size: 60px;
}

header h1 a {
  color: inherit;
  font-family: 'Mitr', sans-serif;
}

header a:hover {
  opacity: 0.5;
}

.nav-list {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  z-index: 99;
  list-style: none;
  padding: 96px 24px 0 24px;
  margin: 0;
  transition: opacity 250ms;
}

.nav-list.is-hide {
  pointer-events: none;
  opacity: 0;
}

.nav-list-item + .nav-list-item {
  border-top: 1px dotted #464646;
}

header .nav-list-item-link {
  display: block;
  font-size: 20px;
  line-height: 48px;
  color: inherit;
  font-weight: 300;
}

.nav-button {
  position: fixed;
  top: 20px;
  right: 24px;
  background: #fff500;
  border: 4px solid #464646;
  border-radius: 16px;
  padding: 8px;
  line-height: 0;
  z-index: 99;
  outline: none;
}


.nav-list-sub.symptoms {
  bottom: auto;
  left: auto;
  padding: 0;
}

.nav-list-sub.treatment {
  bottom: auto;
  left: auto;
  padding: 0;
}

.nav-list-sub.gbi-project {
  bottom: auto;
  left: auto;
  padding: 0;
}

.nav-list-sub.is-hide {
  pointer-events: auto;
  display: none;
}

.nav-list-sub-item {
  display: flex;
  flex-direction: column;
}

.nav-list-sub-item {
  border-top: none;
  margin-bottom: 1rem;
  margin-left: 1rem;
}

header .nav-list-sub-item-link,
header .nav-list-sub-item-link:hover {
  font-size: 1.25rem;
  display: inline-block;
  color: #464646;
  font-weight: 300;
  margin-right: 1.5px;
}

@media (min-width: 1200px) {
  body {
    font-size: 18px;
  }
  header::after {
    background-size: 120px;
    height: 35px;
  }

  header .header-container {
    position: relative;
    width: 1200px;
    padding: 0;
    margin: 0 auto;
  }

  header h1 a {
    font-size: 30px;
    line-height: 94px;
    font-weight: 500;
  }

  .nav-list {
    background: none;
    position: absolute;
    bottom: auto;
    left: auto;
    padding: 0;
  }

  .nav-list.is-hide {
    pointer-events: auto;
    opacity: 1;
  }

  .nav-list-item {
    display: inline;
  }

  .nav-list-item + .nav-list-item {
    border-top: none;
    margin-left: 24px;
  }

  header .nav-list-item-link,
  header .nav-list-item-link:hover {
    line-height: 102px;
    display: inline-block;
    color: #64c8c8;
    font-weight: 300;
    margin-right: 1.5px;
  }

  .nav-button {
    display: none;
  }

  .nav-list {
    background: none;
    position: absolute;
    bottom: auto;
    left: auto;
    padding: 0;
  }

  .nav-list.is-hide {
    pointer-events: auto;
    opacity: 1;
  }

  .nav-list-item {
    display: inline;
  }

  .nav-list-item + .nav-list-item {
    border-top: none;
    margin-left: 24px;
  }

  header .nav-list-item-link,
  header .nav-list-item-link:hover {
    line-height: 102px;
    display: inline-block;
    color: #64c8c8;
    font-weight: 300;
    margin-right: 1.5px;
  }

  .nav-list-sub {
    /* position: absolute; */
    top: 80px;
    background: white;
    /* bottom: auto;
    left: auto; */
    padding: 0;
    border: 1px solid #64c8c8;
  }

  .nav-list-sub.is-hide {
    pointer-events: auto;
    opacity: 0;
  }

  .nav-list-sub-item {
    display: flex;
    flex-direction: column;
  }

  .nav-list-sub-item {
    border-top: none;
    margin: 1rem;
  }

  header .nav-list-sub-item-link,
  header .nav-list-sub-item-link:hover {
    font-size: 1.25rem;
    display: inline-block;
    color: #64c8c8;
    font-weight: 300;
    margin-right: 1.5px;
  }
}