.discovery-results .section-head,
      .page-layout--grid > .section > .section-head {
        display:flex;
        align-items:flex-end;
        gap:16px;
        flex-wrap:wrap;
      }
      .discovery-result-tools {
        display:flex;
        align-items:center;
        justify-content:flex-end;
        gap:12px;
        margin-left:auto;
        align-self:flex-end;
        padding-bottom:1px;
      }
      .discovery-result-tools .result-count {
        margin:0;
        white-space:nowrap;
      }
      .discovery-result-sort { margin:0; color:var(--muted); font-size:11px; font-weight:700; }
      label.discovery-result-sort { display:block; }
      label.discovery-result-sort select {
        min-width:132px;
        min-height:36px;
        padding:0 30px 0 10px;
        border:1px solid var(--line);
        border-radius:7px;
        background:#fff;
        color:var(--text);
        font:inherit;
        font-size:12px;
        font-weight:700;
        cursor:pointer;
      }
      @media (max-width:760px) {
        .discovery-results .section-head,
        .page-layout--grid > .section > .section-head { gap:10px; }
        .discovery-result-tools {
          width:100%;
          margin-left:0;
          justify-content:space-between;
          padding-bottom:0;
        }
        label.discovery-result-sort { margin-left:auto; }
        label.discovery-result-sort select {
          min-width:118px;
          max-width:min(190px, 56vw);
        }
      }
    
/* Stable DOM across breakpoints. Only CSS changes placement/visibility. */
.discovery-shell--canonical .discovery-filter-toggle{font:inherit;font-size:11px;font-weight:750;text-align:left}
.discovery-shell--canonical .discovery-filter-label{display:none}
@media(min-width:1180px){
  .discovery-shell--canonical .discovery-filter-toggle{display:none}
  .discovery-shell--canonical .discovery-filter-label{display:flex;align-items:center;min-height:30px;font-size:11px;font-weight:750}
  .discovery-shell--canonical .discovery-sidebar-filter-panel{display:grid}
}
@media(max-width:1179px){
  .discovery-shell--canonical{display:flex;flex-direction:column;gap:0}
  .discovery-shell--canonical>.discovery-results,
  .discovery-shell--canonical>.discovery-results>.section{display:contents}
  /* タブ一本化: モバイルでも探す対象タブを横スクロールで常時表示する */
  .discovery-shell--canonical>.discovery-results>.discovery-nav{display:flex;order:0;width:100%;overflow-x:auto;gap:8px;padding:2px 0 8px}
  .discovery-shell--canonical>.discovery-sidebar{order:1;width:100%}
  .discovery-shell--canonical>.discovery-results>.section>*{order:2;width:100%;min-width:0}
  .discovery-shell--canonical>.discovery-results>.section>.section-head{order:0}
  .discovery-shell--canonical .discovery-sidebar-filters:not([open])>.discovery-sidebar-filter-panel{display:none}
  .discovery-shell--canonical .discovery-filter-label{display:none}
}


    @media (max-width: 1179px) {
      .discovery-shell--canonical .discovery-filter-toggle {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        min-width: 40px;
        min-height: 40px;
        padding: 0;
        border: 1px solid var(--line);
        border-radius: 7px;
        background: #fff;
        color: var(--text);
        font-size: 0;
        cursor: pointer;
        list-style: none;
        pointer-events: auto !important;
      }
      .discovery-shell--canonical .discovery-filter-toggle::-webkit-details-marker { display: none; }
      .discovery-shell--canonical .discovery-filter-toggle::before {
        content: '';
        width: 20px;
        height: 20px;
        background-color: currentColor;
        -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M4 7h10v2H4V7Zm0 8h6v2H4v-2Zm12-9h2v2h2v2h-2v2h-2V8h2V6Zm-4 8h2v2h6v2h-6v2h-2v-2h-2v-2h2v-2Z'/%3E%3C/svg%3E") center / contain no-repeat;
        mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='black' d='M4 7h10v2H4V7Zm0 8h6v2H4v-2Zm12-9h2v2h2v2h-2v2h-2V8h2V6Zm-4 8h2v2h6v2h-6v2h-2v-2h-2v-2h2v-2Z'/%3E%3C/svg%3E") center / contain no-repeat;
      }
      .discovery-shell--canonical .discovery-filter-toggle:hover,
      .discovery-sidebar-filters[open] > summary { background: #f0f1f4; }
      .discovery-shell--canonical .discovery-filter-toggle span {
        position: absolute;
        top: -5px;
        right: -5px;
        min-width: 18px;
        height: 18px;
        padding: 0 4px;
        font-size: 9px;
      }
    }