@charset "UTF-8";

/* =========================================================
   グローバルナビのドロップダウン（COR-6）
   PC のみ。ホバーとキーボードフォーカスの両方で開く。
   ========================================================= */

@media (min-width: 769px) {

  .header_block__item.has-submenu {
    position: relative;
  }

  .header_block__submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(6px) scale(0.98);
    transform-origin: top center;
    min-width: 13.5rem;
    padding: 0.625rem 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(16, 127, 184, 0.14);
    border-radius: 10px;
    box-shadow:
      0 4px 8px -2px rgba(0, 0, 0, 0.06),
      0 16px 32px -8px rgba(16, 127, 184, 0.18);
    list-style: none;
    z-index: 100;
    overflow: hidden;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity 0.22s ease,
      transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
      visibility 0.22s;
  }

  .header_block__submenu::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #5fc1c7 0%, #107fb8 100%);
  }

  .header_block__item.has-submenu:hover .header_block__submenu,
  .header_block__item.has-submenu:focus-within .header_block__submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) scale(1);
  }

  .header_block__item.has-submenu::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 12px;
  }

  .header_block__submenu-item {
    display: block;
  }

  .header_block__submenu-item + .header_block__submenu-item {
    border-top: 1px solid rgba(16, 127, 184, 0.06);
  }

  .header_block__submenu-link {
    display: block;
    padding: 0.625rem 1.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2b2b2b;
    white-space: nowrap;
    transition:
      color 0.15s ease,
      background-color 0.15s ease,
      padding-left 0.15s ease;
  }

  .header_block__submenu-link:hover,
  .header_block__submenu-link:focus-visible {
    color: #107fb8;
    background: linear-gradient(
      90deg,
      rgba(95, 193, 199, 0.1) 0%,
      rgba(16, 127, 184, 0.06) 100%
    );
    padding-left: 1.5rem;
    outline: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .header_block__submenu,
  .header_block__submenu-link {
    transition: none;
  }
}

/* ハンバーガーアコーディオン: is-open なしは子メニューを閉じる（アイコン表示と一致） */
@media (max-width: 768px) {
  .hamburger_modal .js-accordion-title:not(.is-open) + .js-accordion-content {
    display: none;
  }
}