/* Scoped catalogue navigation and filters; existing cards and LINE styling remain authoritative. */
.case-structure-browse { margin: 0 0 28px; }
.case-category-links { display: flex; flex-wrap: wrap; gap: 8px; }
.case-category-links a { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 9px 16px; border: 1px solid #d8d3c9; border-radius: 3px; color: #35322e; background: #fff; text-decoration: none; font-size: 14px; font-weight: 600; line-height: 1.4; transition: border-color .15s, background-color .15s; }
.case-category-links a:hover { border-color: #aa8954; background: #faf8f3; }
.case-category-links a.is-active { color: #fff; background: #302e2a; border-color: #aa8954; }
.case-structure-directory-links { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 18px; }
.case-structure-directory-links a, .case-prefecture-links a, .case-collection-intro a { color: #655131; text-decoration-thickness: 1px; text-underline-offset: 4px; font-weight: 600; }
.case-collection-intro { padding-top: 0; padding-bottom: 32px; font-size: 15px; line-height: 1.95; }
.case-collection-intro p { margin: 0 0 12px; max-width: 900px; color: #555149; }
.case-collection-intro > a { display: inline-flex; align-items: center; gap: 8px; margin-top: 2px; }
.case-prefecture-links { display: flex; flex-wrap: wrap; gap: 12px 24px; margin-top: 24px; }
.case-structure-filter-wrap { padding: 22px; margin-bottom: 26px; border: 1px solid #ddd8cd; background: #f9f7f2; border-radius: 4px; }
.case-structure-filter-primary { display: grid; grid-template-columns: minmax(200px, 1fr) minmax(160px, .55fr) auto; align-items: end; gap: 16px; }
.case-filter-control { display: flex; flex-direction: column; gap: 7px; min-width: 0; font-size: 13px; font-weight: 600; color: #514a40; }
.case-filter-control input, .case-filter-control select { box-sizing: border-box; display: block; width: 100%; max-width: 100%; min-width: 0; min-height: 46px; padding: 10px 12px; border: 1px solid #d1c9ba; border-radius: 3px; background: #fff; color: #292722; font-family: inherit; font-size: 15px; line-height: 1.4; }
.case-filter-control select { padding-right: 30px; }
.case-filter-control input:focus-visible, .case-filter-control select:focus-visible, .case-filter-toggle:focus-visible, .case-filter-actions button:focus-visible, .case-category-links a:focus-visible { outline: 2px solid #aa8954; outline-offset: 3px; }
.case-filter-toggle, .case-filter-actions button { box-sizing: border-box; min-height: 46px; padding: 10px 16px; border: 1px solid #b9aa8c; border-radius: 3px; color: #353027; background: #fff; font-family: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.case-filter-toggle:hover, .case-filter-actions button:hover { background: #eee8dd; }
.case-structure-filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px 16px; padding-top: 22px; margin-top: 22px; border-top: 1px solid #ddd8cd; }
.case-filter-note { grid-column: 1 / -1; margin: 0; color: #716b60; font-size: 13px; line-height: 1.8; }
.case-filter-actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.case-filter-actions span { font-size: 13px; color: #655131; }
.case-number { display: inline-block; margin: 12px 0 6px; padding: 5px 11px; color: #6e5732; background: #f7f3ea; border: 1px solid #dfd3be; font-family: inherit; font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.case-region-link { display: inline-flex; margin: 22px 0 4px; color: #715731; font-size: 14px; font-weight: 600; text-underline-offset: 4px; }
.portal-breadcrumb { flex-wrap: wrap; overflow-wrap: anywhere; row-gap: 6px; line-height: 1.6; }
.case-area-directory { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin: 28px 0; }
.case-area-group { padding: 26px; border: 1px solid #ddd5c5; background: #fff; border-top: 3px solid #b29972; }
.case-area-group h2 { margin: 0 0 10px; font-size: 22px; }
.case-area-group h2 a { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: #302e29; text-decoration: none; }
.case-area-group > p { margin: 0 0 18px; color: #817767; font-size: 13px; }
.case-area-group ul { display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 0; padding: 0; list-style: none; }
.case-area-group li a { color: #665333; text-underline-offset: 4px; font-size: 14px; }
@media (max-width: 900px) {
  .case-structure-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-area-directory { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 600px) {
  .case-structure-browse { margin-bottom: 22px; }
  .case-category-links { gap: 7px; }
  .case-category-links a { min-height: 42px; padding: 9px 11px; font-size: 12px; }
  .case-collection-intro { padding-bottom: 24px; font-size: 14px; line-height: 1.9; }
  .case-structure-filter-wrap { padding: 16px; margin-bottom: 22px; }
  .case-structure-filter-primary { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .case-structure-filter-grid { gap: 17px 12px; padding-top: 19px; margin-top: 19px; }
  .case-filter-control { font-size: 12px; }
  .case-filter-control input, .case-filter-control select { font-size: 16px; padding: 10px; }
  .case-filter-toggle { width: 100%; }
  .case-filter-actions { align-items: stretch; }
  .case-filter-actions button { flex: 1 1 130px; }
  .case-filter-actions span { flex-basis: 100%; }
  .case-area-directory { grid-template-columns: minmax(0, 1fr); gap: 14px; margin: 22px 0; }
  .case-area-group { padding: 22px; }
  .case-prefecture-links { gap: 12px 18px; }
  .case-region-link { max-width: 100%; overflow-wrap: anywhere; }
}