:root {
  --etmm-blue: #1a5f94;
  --etmm-text: #263844;
  --etmm-border: rgba(26, 95, 148, 0.14);
  --etmm-pale-blue: #eef7fc;
  --etmm-shadow: 0 14px 30px rgba(19, 60, 127, 0.14);
}

.etmm-toggle {
  display: none;
}

@media screen and (max-width: 768px) {
  body.etmm-scroll-lock {
    overflow: hidden;
  }

  .sgb-header.etmm-ready {
    position: relative;
  }

  .sgb-header.etmm-ready .sgb-header__inner {
    position: static;
  }

  .sgb-header.etmm-ready .etmm-toggle {
    position: absolute;
    top: 50%;
    right: 16px;
    z-index: 1001;
    display: inline-flex;
    width: 44px;
    height: 44px;
    padding: 0;
    align-items: center;
    justify-content: center;
    color: var(--etmm-blue);
    background: var(--etmm-pale-blue);
    border: 1px solid var(--etmm-border);
    border-radius: 50%;
    box-shadow: none;
    transform: translateY(-50%);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: background-color 0.2s ease, border-color 0.2s ease;
  }

  .sgb-header.etmm-ready .etmm-toggle:hover,
  .sgb-header.etmm-ready .etmm-toggle:focus-visible {
    color: #fff;
    background: var(--etmm-blue);
    border-color: var(--etmm-blue);
    outline: none;
  }

  .etmm-toggle__icon,
  .etmm-toggle__icon::before,
  .etmm-toggle__icon::after {
    display: block;
    width: 20px;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.22s ease, opacity 0.18s ease;
  }

  .etmm-toggle__icon {
    position: relative;
  }

  .etmm-toggle__icon::before,
  .etmm-toggle__icon::after {
    position: absolute;
    left: 0;
    content: "";
  }

  .etmm-toggle__icon::before {
    top: -6px;
  }

  .etmm-toggle__icon::after {
    top: 6px;
  }

  .sgb-header.etmm-open .etmm-toggle__icon {
    background: transparent;
  }

  .sgb-header.etmm-open .etmm-toggle__icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .sgb-header.etmm-open .etmm-toggle__icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .sgb-header.etmm-ready .wp-block-sgb-header-navigation {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    z-index: 1000;
    display: block !important;
    width: 100%;
    max-height: calc(100dvh - var(--etmm-menu-top, 86px));
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid var(--etmm-border);
    border-bottom: 1px solid var(--etmm-border);
    box-shadow: var(--etmm-shadow);
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.22s ease, visibility 0.22s ease;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .sgb-header.etmm-open .wp-block-sgb-header-navigation {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .sgb-header.etmm-ready .sgb-header-nav-pc-wrapper {
    display: flex !important;
    width: 100% !important;
    height: auto !important;
    padding: 12px 20px 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .sgb-header.etmm-ready .wp-block-navigation {
    display: block !important;
    width: 100% !important;
  }

  .sgb-header.etmm-ready .wp-block-navigation__container {
    display: flex !important;
    width: 100% !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0 !important;
  }

  .sgb-header.etmm-ready .wp-block-navigation-item {
    width: 100%;
  }

  .sgb-header.etmm-ready .wp-block-navigation-item__content {
    display: flex !important;
    width: 100%;
    height: auto !important;
    min-height: 50px;
    padding: 12px 14px !important;
    align-items: center;
    color: var(--etmm-text) !important;
    font-size: 16px !important;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.03em;
    border-bottom: 1px solid rgba(26, 95, 148, 0.1);
  }

  .sgb-header.etmm-ready .wp-block-navigation-item__content::after {
    display: none !important;
  }

  .sgb-header.etmm-ready .current-menu-item > .wp-block-navigation-item__content {
    color: var(--etmm-blue) !important;
    background: var(--etmm-pale-blue);
    border-radius: 8px;
  }

  .sgb-header.etmm-ready .sgb-header-search {
    display: grid !important;
    width: 100% !important;
    height: 46px !important;
    margin: 2px 0 0 !important;
    color: var(--etmm-blue) !important;
    background: var(--etmm-pale-blue) !important;
    border: 1px solid var(--etmm-border);
    border-radius: 8px !important;
    place-items: center;
  }

  .sgb-header.etmm-ready .sgb-header-search label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
  }

  .sgb-header.etmm-ready .sgb-header-search label::after {
    content: "サイト内検索";
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
  }

  .etmm-screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .etmm-toggle__icon,
  .etmm-toggle__icon::before,
  .etmm-toggle__icon::after,
  .sgb-header.etmm-ready .wp-block-sgb-header-navigation {
    transition: none;
  }
}

@media screen and (max-width: 360px) {
  .sgb-header.etmm-ready .custom-logo {
    width: min(190px, 60vw) !important;
    height: auto;
  }

  .sgb-header.etmm-ready .etmm-toggle {
    right: 12px;
  }
}