/* ヘッダーの「3つの棟」ドロップダウン（PC）／アコーディオン（スマホのメニュー内）。全ページ共通 */
.nav-houses { position: relative; }
.nav-houses-toggle {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}
.nav-houses-toggle::after {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: -4px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
  transition: transform 180ms ease, margin 180ms ease;
}
.nav-houses-toggle[aria-expanded="true"]::after { margin-top: 3px; transform: rotate(-135deg); }
.nav-houses-toggle:hover,
.nav-houses-toggle[aria-expanded="true"],
.nav-houses.is-current .nav-houses-toggle { color: var(--brand); }
.nav-houses-toggle:focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; border-radius: 4px; }
.nav-houses-panel { display: none; margin: 0; padding: 0; list-style: none; }
.nav-houses.is-open .nav-houses-panel { display: block; }
.nav-houses-panel a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 48px;
  text-decoration: none;
}
.nav-houses-name { font-size: 0.9rem; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; }
.nav-houses-place { color: #5B6B7D; font-size: 0.78rem; font-weight: 400; }
.nav-houses-panel a:hover .nav-houses-name,
.nav-houses-panel a[aria-current="page"] .nav-houses-name { color: var(--brand); }

@media (min-width: 1024px) {
  .nav-houses-panel {
    position: absolute;
    z-index: 60;
    top: calc(100% + 8px);
    left: 50%;
    min-width: 248px;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--white);
    box-shadow: 0 14px 28px rgba(27, 43, 63, 0.14);
    transform: translateX(-50%);
  }
  /* ボタンとパネルの隙間でホバーが切れないための透明な橋 */
  .nav-houses.is-open::after { position: absolute; top: 100%; right: 0; left: 0; height: 10px; content: ""; }
  .nav-houses-panel a { padding: 8px 14px; border-radius: 8px; }
  .nav-houses-panel a:hover,
  .nav-houses-panel a:focus-visible { background: #F1F6FE; }
  .nav-houses-panel a[aria-current="page"] { background: #EAF2FE; }
}
@media (min-width: 1024px) and (max-width: 1240px) {
  .nav-houses-toggle { font-size: 0.82rem; }
}
@media (max-width: 1023px) {
  .nav-houses { border-bottom: 1px solid var(--line); }
  .nav-houses-toggle { display: flex; width: 100%; min-height: 48px; justify-content: space-between; padding: 0 8px; font-size: 0.95rem; }
  .nav-houses-toggle::after { margin-right: 6px; }
  .nav-houses-panel { padding: 0 0 8px 16px; }
  .nav-houses-panel a { padding: 4px 8px; }
}