.case-library{background:transparent;border-top:2px solid var(--accent);padding:28px 0 0}
.case-library .section-label{flex-wrap:wrap}.case-library .section-label small{margin-left:auto;color:var(--muted);font-size:13px}
.case-library .case-intro{font-size:15px;color:var(--muted);margin:12px 0 24px}
.case-list{border-top:1px solid var(--line)}.brand-case{border-bottom:1px solid var(--line)}
.brand-case summary{display:flex;align-items:center;gap:18px;cursor:pointer;padding:24px 12px;list-style:none}
.brand-case summary::-webkit-details-marker{display:none}.brand-case summary:hover{background:var(--wash)}
.brand-case summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.case-index{align-self:flex-start;background:var(--acid);color:var(--ink);font:13px/1.6 var(--display);padding:1px 5px;margin-top:3px}
.case-summary{flex:1;min-width:0}.case-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);line-height:1.6}
.case-brik{font-size:12px;color:var(--accent);border:1px solid #7EA48D;padding:0 5px}
.case-name{display:block;font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.04em;line-height:1.4;margin:5px 0}
.case-angle{display:block;font-size:15px;line-height:1.6;color:var(--muted)}
.case-toggle{font-size:24px;color:var(--accent);width:24px;text-align:center;flex-shrink:0}.case-toggle:before{content:'+'}.brand-case[open] .case-toggle:before{content:'−'}
.case-body{padding:0 16px 28px 58px}.case-body p{font-size:16px;line-height:1.85;word-break:keep-all;overflow-wrap:anywhere}
.case-related-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;max-width:100%;margin-top:16px;color:var(--accent);font-size:14px;font-weight:500;text-decoration:underline;text-underline-offset:5px;overflow-wrap:anywhere}
.case-related-link:hover{color:var(--ink)}.case-related-link:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.case-logo{display:flex;align-items:center;width:240px;max-width:100%;min-height:96px;background:#fff;border:1px solid var(--line);padding:16px 20px;margin:0 0 24px}
.case-logo img{display:block;max-width:100%;width:200px;height:64px;object-fit:contain}
.case-body .small-label{font-size:13px;color:var(--accent);font-weight:600}.case-body .interpretation{display:block;margin-top:24px}
.case-body .case-scope{font-size:13px;color:var(--muted);line-height:1.7;margin:0 0 22px}
.case-body .case-caution{font-size:13px;line-height:1.7;color:var(--muted);border-left:2px solid var(--line);padding-left:12px;margin:22px 0 0}
.case-body .case-recent{background:var(--wash);padding:14px 16px;font-size:14px;line-height:1.8}.case-recent>span{display:block;color:var(--accent);font-size:12px;margin-bottom:4px}
.case-library .case-disclaimer{font-size:12px;line-height:1.8;color:var(--muted);margin:18px 0 0}
@media(max-width:520px){.brand-case summary{gap:12px;padding:20px 0}.case-body{padding:0 0 24px 0}.case-name{font-size:25px}.case-library .section-label small{margin-left:0}.case-angle{font-size:14px}}
@media print{.brand-case::details-content{display:block}.case-toggle{display:none}}