/* =============================================================
 * SP only: property sticky navigation
 * ============================================================= */

.house-sticky-nav {
  display: none;
}

@media (max-width: 767px) {
  .house-sticky-nav {
    display: block;
    position: fixed;
    top: var(--house-sticky-site-top, 0);
    left: 0;
    right: 0;
    z-index: calc(var(--z-header) - 1);
    background: #fff;
    border-bottom: 2px solid var(--sc-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .12);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .18s ease, transform .18s ease, top .12s ease;
  }

  body.is-header-compact .house-sticky-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  body.has-house-sticky-nav.is-header-compact {
    padding-top: calc(var(--house-sticky-site-h, 48px) + var(--house-sticky-nav-h, 52px));
  }

  body.has-house-sticky-nav #about,
  body.has-house-sticky-nav #campaign,
  body.has-house-sticky-nav #snap,
  body.has-house-sticky-nav #tenant,
  body.has-house-sticky-nav #room,
  body.has-house-sticky-nav #detail {
    scroll-margin-top: calc(var(--house-sticky-site-h, 48px) + var(--house-sticky-nav-h, 52px) + 8px);
  }

  .house-sticky-nav__main {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    padding: 8px 10px 6px;        /* 物件名の上下に少し余白を確保 */
  }

  .house-sticky-nav__title {
    min-width: 0;
    flex: 1 1 auto;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--sc-text);
    font-size: 14px;
    font-weight: 800;
    line-height: 1.2;
    text-decoration: none;
  }

  /* タイトル先頭の家アイコン (圧縮ヘッダー時に物件であることを視覚的に明示) */
  .house-sticky-nav__title > i {
    flex-shrink: 0;
    font-size: 16px;
    line-height: 1;
    color: var(--sc-primary-d, #0389a8);
  }

  .house-sticky-nav__title span {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .house-sticky-nav__title:hover {
    color: var(--sc-accent-d);
    text-decoration: none;
  }

  .house-sticky-nav__page {
    flex: 0 0 auto;
    max-width: 96px;
    padding: 3px 8px;
    border: 1px solid rgba(3, 176, 214, .35);
    border-radius: 999px;
    background: #eafaff;
    color: #0389a8;
    font-size: var(--fs-xs);
    font-weight: 700;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .house-sticky-nav__tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
    padding: 0 10px 5px;
  }

  .house-sticky-nav__tabs::-webkit-scrollbar {
    display: none;
  }

  .house-sticky-nav__tab {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    min-width: 62px;
    min-height: 28px;
    padding: 5px 8px;
    border: 1px solid var(--sc-border);
    border-radius: var(--r-sm);
    background: #fff;
    color: var(--sc-text-2);
    font-size: var(--fs-xs);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
  }

  .house-sticky-nav__tab i {
    font-size: 13px;
    line-height: 1;
  }

  .house-sticky-nav__tab:hover {
    border-color: var(--sc-accent);
    color: var(--sc-accent-d);
    text-decoration: none;
  }

  .house-sticky-nav__tab.is-active {
    border-color: var(--sc-primary);
    background: var(--sc-primary-l);
    color: var(--sc-text);
  }

  @media (prefers-reduced-motion: reduce) {
    .house-sticky-nav {
      transition: none;
    }
  }
}