#site-header {
  background: var(--color-lightblue);
  position: absolute;
  width: 100vw;
  background: transparent;
}

#site-header .header-inner {
  max-width: calc(100% - 40px);
  width: 100%;
  margin-left: 40px;
  padding: 0;
  position: relative;
}

#site-header .header-inner .header-titles-wrapper .header-titles {
  z-index: 10;
}

#site-header .header-inner .header-titles-wrapper .header-titles .site-logo img {
  aspect-ratio: 300 / 36;
  width: 250px;
}

#site-header .header-inner .toggle {
  width: 90px;
  height: 90px;
  aspect-ratio: 1 / 1;
  padding: 0;  
}

#site-header .header-inner .toggle > .toggle-inner {
  width: 100%;
  height: 100%;
  padding: 0;
}

#site-header .header-inner .toggle > .toggle-inner > .toggle-icon {
  width: 100%;
  height: 100%;
  background: var(--color-lightblue);;
  z-index: 10;
}

#site-header .header-inner .toggle > .toggle-inner > .toggle-icon > span {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  font-size: 20pt;
  align-items: center;
  color: white;
  text-decoration: none;

  font-family: var(--font-NotoSansJP);
  font-weight: 200;
  letter-spacing: 10%;
  font-size: 13.5pt;

  border: 1px solid #FFFFFF1A;
  border-radius: 50%;
}

#site-header .primary-menu {
  margin: 0;
}

#site-header .primary-menu > li {
  aspect-ratio: 1 / 1;
  margin: 0;
  width: 100px;
  height: auto;
  background-color: var(--color-lightblue);
}

#site-header .primary-menu > li:first-child {
  background-color: var(--color-darkblue);
}

#site-header .primary-menu > li a {
  position: relative;
  color: white;
  text-decoration: none;

  font-family: var(--font-NotoSansJP);
  font-weight: 100;
  letter-spacing: 10%;
  font-size: 12pt;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

#site-header .primary-menu > li a::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255,255,255, .1);
  border-radius: 50%;
}

#site-header .expand-menu-box {
  display: block;
  position: absolute;
  top: 90px;
  right: 0;
}

#site-header .expand-menu-box > .menu-box-wrapper {
  display: flex;
  flex-direction: column;
}

#site-header .expand-menu-box > .menu-box-wrapper > .menu-box {
  text-decoration: none;
  color: white;
  
  font-family: var(--font-NotoSansJP);
  font-weight: 200;
  letter-spacing: 10%;
  font-size: 12.5pt;

  display: block;
  text-align: center;
  width: 200px;
  padding: 24px 0;
  background: var(--color-lightblue);
}

#site-header .expand-menu-box > .menu-box-wrapper > .menu-box:first-child {
  background: var(--color-darkblue);
}

#site-header .expand-menu-box.expand-menu-box__close {
  display: none;
}


@media screen and (max-width: 768px) {
  #site-header .header-inner {
    margin-left: 0;
    width: 100%;
    max-width: 100%;
  }

  #site-header .header-inner .header-titles-wrapper {
    align-items: center;
    width: auto;
    height: 90px;
  }

  #site-header .header-inner .header-titles-wrapper .header-titles .site-logo img {
    width: 180px;
    margin-left: 24px;
  }
}