/* header */
.section-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  background: black; /* linear-gradient(180deg, #000000 35%, rgba(0, 0, 0, 0) 100%); /**/
}
.header {
  height: 88px; /* calc(var(--aspect-base) * 88); */
  width: 100%;
  max-width: 1280px;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  margin: 0 16px;
}
.header-wrapper {
  display: flex;
  align-items: center;
  height: 100%;
  max-height: 88px;
}
.header-logo,
.header-menu,
.header-options
{
  display: flex;
  justify-content: center;
  align-items: center;
}
.title-logo {
  width: 198px;
  height: 56px;
  min-width: 198px;
  min-height: 56px;
  background: url('/images/title-logo-pc.svg') no-repeat content-box;
}
.menu-wrapper {
  display: flex;
  width: 100%;
}
.header-menu {
  width: 100%;
}
.header-menu ul {
  width: 100%;
  max-width: 656px;
  list-style: none;
  display: flex;
  justify-content: space-evenly;
  padding: 0;
}
.header-menu ul li {
  margin: 0; /* 24px; /*clamp(8px, calc(var(--aspect-base) * 24), 24px);*/
  filter: drop-shadow(0px 0px 3px rgba(0, 0, 0, 1));
}
.header-menu ul li a span {
  color: rgba(255, 255, 255, .9);
  font-weight: normal;
}
.header-options {
  display: flex;
  flex-wrap: nowrap;
}
.header-sound {
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 16px;
  z-index: 10;
}
.header-lang {
  margin: 0;
}
select {
  cursor: pointer;
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  border: 0 none;
  color: White;
  font-size: 16px;
  padding: 0 10px;
  height: 40px;
  width: 190px; /* 136px; /**/
  position: relative;
  background-color: transparent;
  background-image: url('/images/select-arrow.svg');
  background-repeat: no-repeat;
  background-position: 110px 18px; /* right 10px center; */
  background-size: 16px auto;
  font-family: 'Noto Serif JP', 'Noto Serif', serif;
  line-height: 40px;
}
select:focus {
  outline: 0 none;
}
select option {
  background-color: rgba(0, 0, 0, 1);
  margin: 8px;
}
option[selected] {
  display: none;
}

.menu-sp {
  display: none;
}

.header-menu ul li a {
  position: relative;
}
.header-menu ul li a span::after {
  position: absolute;
  bottom: -4px;
  left: 0;
  content: '';
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #fff 35%, rgba(48, 48, 48, 0) 100%); /* linear-gradient(90deg, #ccccff 35%, rgba(48, 48, 48, 0) 100%);; /**/
  transform: scale(0, 1);
  transform-origin: left top;
  transition: transform .3s;
}
.header-menu ul li a span:hover::after {
  transform: scale(1, 1);
}

@media only screen and (max-width: 960px) {
  .menu-pc {
    display: none;
  }
  .menu-sp {
    display: flex;
  }

  .section-header.open {
    height: 100%;
    background: black;
  }

  .open > .nav-open {
    display: none;
  }
  .open > .nav-close {
    display: block;
  }
  .close > .nav-open {
    display: block;
  }
  .close > .nav-close {
    display: none;
  }

  .open > .header-menu,
  .open > .header-options
  {
    display: flex;
  }
  .close > .header-menu,
  .close > .header-options
  {
    display: none;
  }

  .sectin-header {
    padding: 0 16px;
  }

  .header {
    height: 64px; /* calc(var(--aspect-base) * 104); */
    width: 100%;
    max-width: 960px;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    justify-content: space-between;
    background-color: black;
  }

  .header-wrapper {
    display: flex;
    justify-content: space-between;
    height: 64px;
    min-height: 64px;
  }

  .header-logo {
    align-items: center;
  }
  .title-logo {
    width: 142px;
    height: 40px;
    min-width: 142px;
    min-height: 40px;
    background: url('/images/title-logo-sp.svg') no-repeat content-box;
  }
 
  .menu-wrapper {
    display: block;
  }
  .menu-sp {
    display: flex;
    align-items: center;
  }
  .sp-menu {
    margin-right: 16px;
  }
  .nav-sp {
    margin: 0;
  }
  .header-menu {
    width: 100%;
    max-width: 960px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    background-color: black;
  }
  .header-menu ul {
    width: 100%;
    list-style: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
  }
  .header-menu ul li {
    width: 100%;
    padding: 24px 0; /* 24px; /*clamp(8px, calc(var(--aspect-base) * 24), 24px);*/
    filter: none;
    border-bottom: 1px solid rgba(216, 216, 216, 1);
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .header-menu ul li a span {
    color: rgba(255, 255, 255, .9);
    font-weight: normal;
  }
}