.mobile-menu-toggle,
.mobile-menu-panel {
  display: none;
}

@media (max-width: 760px) {
  body.mobile-menu-open {
    overflow: hidden;
  }

  .site-header,
  .detail-header {
    grid-template-columns: 1fr auto auto;
    gap: 10px;
  }

  .site-header > nav,
  .detail-header > nav {
    display: none;
  }

  .mobile-menu-toggle {
    justify-self: end;
    min-height: 44px;
    padding: 0 17px;
    border: 1px solid rgba(255,255,255,.34);
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: 13px;
    font-weight: 750;
    letter-spacing: -.02em;
    cursor: pointer;
  }

  .mobile-menu-toggle__mark {
    position: relative;
    width: 14px;
    height: 10px;
  }

  .mobile-menu-toggle__mark::before,
  .mobile-menu-toggle__mark::after {
    content: "";
    position: absolute;
    left: 0;
    width: 14px;
    height: 1.5px;
    border-radius: 999px;
    background: currentColor;
    transition: top .2s ease, transform .2s ease;
  }

  .mobile-menu-toggle__mark::before { top: 1px; }
  .mobile-menu-toggle__mark::after { top: 8px; }
  .mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__mark::before { top: 5px; transform: rotate(45deg); }
  .mobile-menu-toggle[aria-expanded="true"] .mobile-menu-toggle__mark::after { top: 5px; transform: rotate(-45deg); }

  body.mobile-menu-open .site-header,
  body.mobile-menu-open .detail-header {
    position: fixed;
    z-index: 101;
    transform: none;
    background: #090909;
  }

  .mobile-menu-panel {
    position: fixed;
    z-index: 100;
    inset: 0;
    padding: 118px var(--pad) 34px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: #090909;
    color: #fff;
  }

  .mobile-menu-panel[hidden] {
    display: none;
  }

  .mobile-menu-panel nav {
    border-top: 1px solid #363636;
  }

  .mobile-menu-panel nav a {
    min-height: clamp(86px, 15vh, 132px);
    border-bottom: 1px solid #363636;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: clamp(38px, 8vw, 70px);
    font-weight: 620;
    line-height: 1;
    letter-spacing: -.06em;
  }

  .mobile-menu-panel nav a::after {
    content: "↗";
    font-size: .42em;
    font-weight: 500;
    color: #777;
  }

  .mobile-menu-panel nav a:hover,
  .mobile-menu-panel nav a:focus-visible,
  .mobile-menu-panel nav a[aria-current="page"] {
    color: #d8ff45;
  }

  .mobile-menu-panel__index {
    align-self: start;
    padding-top: .25em;
    color: #737373;
    font-size: 11px;
    font-weight: 750;
    letter-spacing: .08em;
  }

  .mobile-menu-panel__bottom {
    margin-top: auto;
    padding-top: 32px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
  }

  .mobile-menu-panel__meta {
    margin: 0;
    color: #777;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: .08em;
  }

  .mobile-menu-panel__contact {
    min-height: 48px;
    padding: 0 21px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 20px;
    background: #d8ff45;
    color: #090909;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
  }
}

@media (max-width: 680px) {
  .site-header,
  .detail-header {
    grid-template-columns: 1fr auto;
  }

  .site-header > .pill-light,
  .detail-header > .header-contact {
    display: none;
  }

  .mobile-menu-toggle {
    min-height: 38px;
    padding: 0 15px;
    font-size: 12px;
  }

  .mobile-menu-panel {
    padding-top: 96px;
    padding-bottom: 24px;
  }

  .mobile-menu-panel nav a {
    min-height: 94px;
    grid-template-columns: 36px 1fr auto;
    font-size: clamp(36px, 12vw, 54px);
  }

  .mobile-menu-panel__bottom {
    align-items: stretch;
    flex-direction: column-reverse;
    gap: 20px;
  }

  .mobile-menu-panel__contact {
    justify-content: space-between;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mobile-menu-toggle__mark::before,
  .mobile-menu-toggle__mark::after {
    transition: none;
  }
}