@layer layout {
  .site-menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(26rem, 100% - 3.5rem);
    max-width: none;
    height: 100%;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: var(--surface-page);
    color: var(--ink);
    box-shadow: var(--shadow-dialog);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .site-menu::backdrop {
    background: var(--scrim);
  }

  .site-menu__inner {
    display: grid;
    grid-template-rows: auto auto 1fr;
    gap: var(--space-l);
    min-height: 100%;
    padding: 0 var(--space-m) calc(var(--space-xl) + env(safe-area-inset-bottom));
  }

  .site-menu__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-s);
    height: var(--header-height);
    border-bottom: 1px solid var(--line);
  }

  .site-menu__top .brand {
    flex: 0 1 auto;
    min-width: 0;
  }

  .site-menu__top .brand__mark {
    height: 2rem;
  }

  .site-menu__top .brand__name {
    overflow: hidden;
    font-size: 1.125rem;
    text-overflow: ellipsis;
  }

  .site-menu__close {
    flex: none;
    margin-right: -0.625rem;
  }

  .site-menu__close .icon {
    width: 1.5rem;
    height: 1.5rem;
    stroke-width: 1.2;
  }

  .menu-index__item {
    border-bottom: 1px solid var(--line);
  }

  .menu-index__link {
    display: flex;
    align-items: baseline;
    gap: var(--space-s);
    min-height: 2.75rem;
    padding-block: 0.7rem;
  }

  .menu-index__number {
    min-width: 1.5rem;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-style: italic;
    color: var(--ink-accent);
  }

  .menu-index__label {
    font-family: var(--font-display);
    font-size: 1.625rem;
    font-weight: var(--weight-display);
    line-height: 1.1;
    letter-spacing: -0.012em;
    transition: transform var(--duration-slow) var(--ease-out-expo), color var(--duration-base) ease;
  }

  .menu-index__link[aria-current="page"] .menu-index__label {
    font-style: italic;
    color: var(--ink-accent);
  }

  .site-menu__contact {
    display: grid;
    align-content: end;
    justify-items: start;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--ink-soft);
  }

  .site-menu__note {
    font-family: var(--font-display);
    font-size: var(--text-md);
    font-style: italic;
  }

  .site-menu__phone {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    color: var(--ink);
  }

  .site-menu__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem var(--space-m);
  }

  .site-menu__links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-height: 2.75rem;
    color: var(--ink);
  }

  .site-menu__links .icon {
    width: 1.125rem;
    height: 1.125rem;
    color: var(--ink-accent);
  }

  .site-menu__address {
    max-width: 34ch;
    margin-bottom: var(--space-s);
    font-style: normal;
  }

  .site-menu__contact .button {
    width: 100%;
  }

  .site-menu[open] {
    animation: site-menu-in 0.6s var(--ease-out-expo) both;
  }

  .site-menu[open]::backdrop {
    animation: site-menu-fade 0.45s var(--ease-out-quart) both;
  }

  .site-menu.is-closing {
    animation: site-menu-out 0.4s var(--ease-in-out) both;
  }

  .site-menu.is-closing::backdrop {
    animation: site-menu-fade-out 0.4s ease both;
  }

  .site-menu[open] .menu-index__item {
    animation: site-menu-item-in 0.8s var(--ease-out-expo) both;
    animation-delay: calc(var(--item-index, 0) * 45ms + 140ms);
  }

  @media (hover: hover) {
    .menu-index__link:hover .menu-index__label {
      transform: translateX(0.375rem);
      color: var(--ink-accent);
    }
  }

  @media (max-width: 23.99em) {
    .site-menu {
      width: calc(100% - 2.75rem);
    }

    .site-menu__inner {
      padding-inline: var(--space-s);
    }

    .site-menu__top .brand {
      gap: 0.5rem;
    }

    .site-menu__top .brand__mark {
      height: 1.75rem;
    }

    .site-menu__top .brand__name {
      font-size: 1rem;
    }

    .menu-index__label {
      font-size: 1.375rem;
    }
  }

  @keyframes site-menu-in {
    from {
      transform: translateX(100%);
    }

    to {
      transform: translateX(0);
    }
  }

  @keyframes site-menu-out {
    from {
      transform: translateX(0);
    }

    to {
      transform: translateX(100%);
    }
  }

  @keyframes site-menu-fade {
    from {
      opacity: 0;
    }

    to {
      opacity: 1;
    }
  }

  @keyframes site-menu-fade-out {
    from {
      opacity: 1;
    }

    to {
      opacity: 0;
    }
  }

  @keyframes site-menu-item-in {
    from {
      opacity: 0;
      transform: translateX(1.5rem);
    }

    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
}