/* ============================================================
   HARE — ヘッダーナビ共通：「記事を探す」展開UI
   全ページ共通（TOP / 404 / カテゴリー）で読み込む
   - PC : メガドロップダウン（ホバー展開）
   - SP : ハンバーガー内アコーディオン
============================================================ */

/* ---------- スマホ ハンバーガー：「記事を探す」アコーディオン ---------- */
.mm-accordion { border-bottom: 1px solid var(--border); }
.mm-accordion__trigger {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 16px;
  padding: 18px 4px; font-family: inherit;
  font-size: 16px; font-weight: 700; color: var(--ink); text-align: left;
}
.mm-accordion__trigger:active { background: var(--sky-2); }
.mm-accordion__trigger .mm-ico { flex: none; width: 28px; height: 28px; display: grid; place-items: center; }
.mm-accordion__trigger .mm-ico img { width: 28px; height: 28px; object-fit: contain; }
.mm-accordion__caret { margin-left: auto; color: var(--muted); transition: transform .3s ease; }
.mm-accordion__trigger[aria-expanded="true"] .mm-accordion__caret { transform: rotate(180deg); }

.mm-accordion__panel { overflow: hidden; max-height: 0; transition: max-height .34s cubic-bezier(.4,0,.2,1); }
.mm-accordion__inner { padding: 2px 0 14px 6px; display: flex; flex-direction: column; gap: 2px; }
.mm-theme {
  display: flex; align-items: center; gap: 13px;
  padding: 11px 10px; border-radius: 10px;
  font-size: 14.5px; font-weight: 700; color: var(--ink-soft);
  transition: background .2s, color .2s;
}
.mm-theme:hover, .mm-theme:active { background: var(--sky-2); color: var(--blue); }
.mm-theme__ico { flex: none; width: 40px; height: 40px; display: grid; place-items: center; }
.mm-theme__ico img { width: 100%; height: 100%; object-fit: contain; }

/* ---------- ヘッダー：「記事を探す」メガドロップダウン（ホバー展開） ---------- */
.nav__has-dropdown { position: static; display: inline-flex; align-items: center; }
.nav__item--trigger .nav__caret { transition: transform .25s ease; }
.nav__has-dropdown:hover .nav__caret,
.nav__has-dropdown:focus-within .nav__caret { transform: rotate(180deg); }
.nav__has-dropdown:hover .nav__item--trigger { color: var(--blue); }
.nav__has-dropdown:hover .nav__item--trigger::after { width: 100%; }

.nav-mega {
  position: absolute; top: 100%; left: 0; right: 0; width: 100%;
  background: #fff;
  border-top: 1px solid var(--border);
  box-shadow: 0 22px 34px -18px rgba(33,48,61,.26);
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
  z-index: 55;
}
.nav__has-dropdown:hover .nav-mega,
.nav__has-dropdown:focus-within .nav-mega {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity .22s ease, transform .22s ease, visibility 0s;
}
.nav-mega__inner {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
  padding-block: 30px 32px;
}
.nav-mega__item {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 9px; padding: 16px 8px 18px; border-radius: 14px;
  transition: background .2s ease, transform .2s ease;
}
.nav-mega__item:hover { background: var(--sky-2); transform: translateY(-3px); }
.nav-mega__icon { width: 66px; height: 66px; display: grid; place-items: center; }
.nav-mega__icon img { width: 100%; height: 100%; object-fit: contain; transition: transform .3s ease; }
.nav-mega__item:hover .nav-mega__icon img { transform: scale(1.08); }
.nav-mega__name { font-size: 14.5px; font-weight: 700; transition: color .2s; }
.nav-mega__item:hover .nav-mega__name { color: var(--blue); }
.nav-mega__desc { font-size: 11.5px; line-height: 1.65; color: var(--ink-soft); }

/* ---------- PC：ヘッダー内インライン検索バー ---------- */
.nav-search { display: none; }
.nav.is-searching { flex: 1; margin-left: 22px; gap: 0; }
.nav.is-searching > .nav__item,
.nav.is-searching > .nav__has-dropdown,
.nav.is-searching > .icon-btn.search { display: none; }
.nav.is-searching .nav-search {
  display: flex; align-items: center; gap: 8px;
  width: 100%; height: 44px;
  background: #fff;
  border: 1px solid var(--border-2); border-radius: 999px;
  padding: 0 6px 0 18px;
  box-shadow: inset 0 1px 2px rgba(33,48,61,.05);
  animation: nav-search-in .26s ease;
}
@keyframes nav-search-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: none; }
}
.nav-search__icon { color: var(--blue); flex: none; }
.nav-search__input {
  flex: 1; min-width: 0; border: none; background: none; outline: none;
  font-family: inherit; font-size: 14.5px; color: var(--ink); padding: 0 4px;
}
.nav-search__input::placeholder { color: var(--muted); }
.nav-search__close {
  flex: none; width: 36px; height: 36px; border-radius: 50%;
  border: none; background: transparent; color: var(--ink-soft); cursor: pointer;
  display: grid; place-items: center; transition: background .2s, color .2s;
}
.nav-search__close:hover { background: var(--sky); color: var(--blue); }

/* ---------- SP：ハンバーガー内 検索窓（お問い合わせ直後・青丸ボタン型） ---------- */
.mm-search {
  display: flex; align-items: center; gap: 8px;
  margin: 16px 0 6px; height: 54px;
  background: #fff;
  border: 1px solid var(--border-2); border-radius: 999px;
  padding: 6px 6px 6px 22px;
  box-shadow: 0 8px 20px -12px rgba(33,48,61,.22);
}
.mm-search__input {
  flex: 1; min-width: 0; border: none; background: none; outline: none;
  font-family: inherit; font-size: 15px; color: var(--ink);
}
.mm-search__input::placeholder { color: var(--muted); }
.mm-search__btn {
  flex: none; width: 42px; height: 42px; border-radius: 50%;
  border: none; background: var(--blue); color: #fff; cursor: pointer;
  display: grid; place-items: center;
  transition: background .2s, transform .15s;
}
.mm-search__btn:hover { background: var(--blue-600); }
.mm-search__btn:active { transform: scale(.94); }

/* ---------- タブレット（701〜1000px）：メガメニューの密度調整 ---------- */
@media (max-width: 1000px) {
  .nav-mega__inner { gap: 8px; padding-block: 24px 26px; }
  .nav-mega__item { padding: 12px 4px 14px; gap: 8px; }
  .nav-mega__icon { width: 56px; height: 56px; }
  .nav-mega__name { font-size: 13px; }
  .nav-mega__desc { display: none; }
}