:root{--bg:#000;--ink:#fff;--muted:#e6e6e6;--quiet:#aaa;--line:#343434;--panel:#000;--accent:#fff}
body,.case-page,.hero-media,.hero-media img,.product,.value-table td{background-color:#000}
.case-page{max-width:1400px}
.case-layout{display:grid;grid-template-columns:216px minmax(0,1fr);gap:64px;align-items:start}
.case-body{min-width:0}
.case-index{position:sticky;top:110px;max-height:calc(100dvh - 130px);overflow:auto;padding:25px 0 16px;border-top:1px solid var(--line)}
.case-index summary{font-size:12px;line-height:1.5;letter-spacing:.06em;color:#aaa;list-style:none;cursor:default}
.case-index summary::-webkit-details-marker{display:none}
.case-index summary>span{display:none}
.case-index nav{display:grid;gap:4px;margin-top:20px}
.case-index a{display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;align-items:baseline;padding:12px 0;color:#b8b8b8;font-size:14px;line-height:1.6;text-decoration:none;transition:color .15s}
.case-index a[aria-current="location"]{color:#fff;font-weight:600}
.case-index-number{color:#909090;font-size:11px;font-variant-numeric:tabular-nums}
.case-index a[aria-current="location"] .case-index-number{color:#fff}
.case-index a:focus-visible,.case-index summary:focus-visible{outline:1px solid #fff;outline-offset:5px}
.case-section{scroll-margin-top:110px}
@media(min-width:1001px){.case-index summary{pointer-events:none}}
@media(max-width:1000px){
  .case-layout{display:block}
  .case-index{z-index:8;top:72px;padding:0;margin-bottom:24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#000;max-height:calc(100dvh - 100px)}
  .case-index summary{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:12px 16px;color:#fff;font-size:13px;letter-spacing:0;cursor:pointer}
  .case-index summary>span{display:block;font-size:18px;font-weight:300}
  .case-index[open] summary>span{transform:rotate(45deg)}
  .case-index nav{margin:0;padding:0 16px 12px;gap:0}
  .case-index a{min-height:44px;padding:10px 0}
  .case-section{scroll-margin-top:146px}
}
@media(prefers-reduced-motion:reduce){.case-index a{transition:none}}