.breadcrumb { position: relative; z-index: 2; }
  .breadcrumb .wrap { padding-top: 104px; padding-bottom: 0; display: flex; gap: 10px; align-items: center; font-family: var(--font-mono); font-size: 12px; color: var(--txt-low); letter-spacing: 0.04em; flex-wrap: wrap; }
  .breadcrumb a { color: var(--txt-mid); transition: color 0.18s; }
  .breadcrumb a:hover { color: var(--orange-bright); }
  .breadcrumb .sep { color: var(--line-strong); }
  .breadcrumb .bc-current { color: var(--txt-mid); }
  .case-hero { padding: 40px 0 96px; position: relative; overflow: hidden; }
  .case-hero .dotgrid { -webkit-mask-image: radial-gradient(ellipse 70% 70% at 75% 30%, #000, transparent 75%); mask-image: radial-gradient(ellipse 70% 70% at 75% 30%, #000, transparent 75%); }
  .case-hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; position: relative; z-index: 2; }
  .case-hero h1 { font-size: clamp(34px, 4.4vw, 56px); margin-top: 4px; }
  .case-head-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
  .case-hero .case-sub { font-size: 18px; color: var(--txt-mid); max-width: 540px; margin-top: 20px; text-wrap: pretty; }
  .case-hero-visual .media-ph { aspect-ratio: 4 / 3.4; border-radius: var(--r-media); }
  .kpi-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; max-width: 620px; }
  .case-hero-grid .kpi-band { max-width: none; }
  .case-meta { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .case-meta .wrap { display: flex; flex-wrap: wrap; gap: 14px 36px; padding-top: 22px; padding-bottom: 22px; }
  .case-meta .m { font-size: 13.5px; color: var(--txt-mid); }
  .case-meta .m .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--txt-low); margin-right: 8px; }
  .case-meta .m b { color: var(--txt-hi); font-weight: 600; }
  .case-sec { padding: var(--sec-pad) 0; position: relative; }
  .case-sec.light { background: var(--light-0); color: var(--ink); }
  .case-split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items: start; }
  .case-split .sec-head { margin-bottom: 0; }
  .case-list { display: grid; gap: 14px; }
  .case-list li { position: relative; padding-left: 26px; font-size: 16px; color: var(--txt-mid); line-height: 1.55; text-wrap: pretty; }
  .case-sec.light .case-list li { color: var(--ink-soft); }
  .case-list li::before { content: ""; position: absolute; left: 2px; top: 0.6em; width: 8px; height: 8px; rotate: 45deg; background: var(--orange); }
  .case-list li b { color: var(--txt-hi); font-weight: 600; }
  .case-sec.light .case-list li b { color: var(--ink); }
  .result-band { margin-top: 44px; }
  .result-band .kpi-band { max-width: none; }
  .case-quote-wrap { max-width: 920px; margin: 0 auto; }
  .case-quote-wrap .quote-card { min-height: 0; }
  .related-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
  .related-head .eyebrow { margin-bottom: 0; }
  .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .case-foot-note { text-align: center; }
  @media (max-width: 1100px) {
    .case-hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .case-split { grid-template-columns: 1fr; gap: 36px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 760px) {
    .case-hero { padding-top: 24px; }
    .kpi-band { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: 1fr; }
    .case-hero h1 { hyphens: auto; -webkit-hyphens: auto; }
  }