@media screen and (min-width: 821px) {
  .site-breadcrumbs > .inner {
    max-width: calc(var(--content-max) + var(--margin-side) * 2);
    margin-right: auto;
    margin-left: auto;
  }
  .site-breadcrumbs > .inner::after {
    right: 2rem;
    width: 3rem;
  }
  .site-breadcrumbs-list {
    overflow: hidden;
    position: relative;
  }
  .site-breadcrumbs-list > .list > .item {
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .site-chapter {
    height: 21.875rem;
    padding-bottom: 5rem;
  }
  .site-chapter::after {
    aspect-ratio: 1440/350;
    width: 100%;
    transform: translateX(0);
  }
  .site-hamburger {
    border-radius: 50%;
    cursor: pointer;
    height: 54px;
    width: 54px;
  }
  .site-hamburger > .icon {
    background-color: var(--color-white);
  }
  .site-hamburger > .icon::before, .site-hamburger > .icon::after {
    background-color: var(--color-white);
  }
  .site-header {
    padding: 1.5rem 2rem;
  }
  .site-header > .logo {
    flex-direction: row;
  }
  .site-logo {
    min-height: 2.625rem;
    padding: 0.5rem 1.5rem;
  }
  .site-nav-drawer {
    background: transparent;
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    opacity: 1;
    overflow: visible;
    padding: 0;
    position: static;
    transform: none;
    visibility: visible;
    width: auto;
  }
  .site-nav-drawer.-open {
    transform: none;
  }
  .site-nav-extra {
    flex-wrap: nowrap;
    justify-content: flex-end;
    margin: 0;
    padding: 0;
  }
  .site-nav-extra > .list {
    margin: 0 0 0 1rem;
    width: auto;
  }
  .site-nav-extra > .list > .item {
    border-radius: 0 0 0.25rem 0.25rem;
    padding: 0.5rem 1rem;
  }
  .site-nav-dropdown {
    transition-property: opacity, visibility, transform;
    transition-duration: 0.3s;
    transition-timing-function: ease;
    transition-delay: 0s;
    background-color: var(--color-secondary);
    display: block;
    opacity: 0;
    position: absolute;
    top: var(--header-height-small);
    left: 0;
    visibility: hidden;
    width: 100%;
  }
  .site-nav-dropdown > .inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-right: auto;
    margin-left: auto;
    padding: 3rem 2rem;
    max-width: calc(var(--content-max) - 2rem);
    width: 100%;
  }
  .site-nav-dropdown > .inner > .list::after {
    content: "｜";
    margin: 0 0.5rem;
  }
  .site-nav-dropdown > .inner > .list > .item {
    border-bottom: 0;
    display: inline-block;
    margin: 0;
    padding: 0;
  }
  .site-nav-dropdown > .inner > .list > .item:hover {
    color: var(--color-red);
  }
  .site-nav-dropdown.-open {
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
  }
  .site-nav-global {
    border-top: 0;
    flex-wrap: nowrap;
    justify-content: flex-end;
  }
  .site-nav-global > .list {
    margin-left: 2rem;
    width: auto;
  }
  .site-nav-global > .list > .item {
    border-bottom: 0;
    color: var(--color-black);
    padding: 0;
    width: auto;
  }
  .site-nav-global > .list > .item::after {
    content: none;
  }
  .site-nav-global > .list > .item.-active, .site-nav-global > .list > .item:hover {
    color: var(--color-red);
  }
  .site-nav-global > .list > button.item::after {
    display: inline-block;
    position: static;
    top: auto;
    right: auto;
    transform-origin: center center;
    transform: none;
    margin-left: 0.25rem;
    vertical-align: middle;
  }
  .site-nav-global > .list > button.item.-open {
    color: var(--color-red);
  }
  .site-nav-global > .list > button.item.-open::after {
    transform: rotate(-180deg);
  }
}