.case-detail-page .site-header nav a[href="realisations.html"] { color: var(--deep); }
.case-detail-page .site-header nav a[href="realisations.html"]::after { content: ""; display: block; height: 2px; margin-top: 4px; background: var(--blue); }
.case-back { display: inline-flex; margin-bottom: 36px; color: var(--deep); font-size: 14px; font-weight: 800; }
.case-hero { width: min(1080px, calc(100% - 52px)); margin: 35px auto 55px; }
.case-hero h1 { max-width: 900px; margin: 18px 0 28px; font-size: clamp(36px,5.2vw,62px); line-height: 1; letter-spacing: -.06em; }
.case-hero > p { max-width: 720px; color: var(--muted); font-size: 18px; }
.case-meta { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin-top: 38px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.case-meta div { padding: 18px; background: #fff; }
.case-meta span { display: block; margin-bottom: 7px; color: var(--blue); font: 500 11px/1.3 "DM Mono",monospace; text-transform: uppercase; }
.case-meta strong { color: var(--ink); font-size: 14px; }
.case-visual { width: min(1080px, calc(100% - 52px)); margin: 0 auto 60px; overflow: hidden; border-radius: 18px; }
.case-visual .mock { min-height: 360px; padding: 34px; }
.case-visual .carboncontent { max-width: 560px; margin-top: 60px; }
.case-visual .carboncontent > strong { width: 155px; height: 155px; font-size: 38px; }
.case-visual .carboncontent > strong::before { width: 98px; height: 98px; }
.case-visual .risk-table { max-width: 800px; margin-top: 42px; }
.case-visual .iso-photo { min-height: 420px; }
.case-article { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 75px; width: min(980px, calc(100% - 52px)); margin: 0 auto 90px; }
.case-aside { align-self: start; position: sticky; top: 28px; }
.case-aside strong { display: block; margin-bottom: 12px; color: var(--deep); font-size: 17px; }
.case-aside p { color: var(--muted); font-size: 14px; }
.case-aside .tag-list span { background: #eef6f2; color: var(--deep); }
.case-story section { padding: 0 0 38px; margin-bottom: 38px; border-bottom: 1px solid var(--line); }
.case-story section:last-child { border-bottom: 0; }
.case-story .eyebrow { margin-bottom: 15px; }
.case-story h2 { margin-bottom: 17px; color: var(--ink); font-size: clamp(28px,3.3vw,42px); line-height: 1.08; letter-spacing: -.05em; }
.case-story h3 { margin: 24px 0 10px; color: var(--deep); font-size: 19px; }
.case-story p,.case-story li { color: var(--muted); font-size: 16px; line-height: 1.7; }
.case-story ul { padding-left: 21px; }
.case-story li + li { margin-top: 8px; }
.deliverable-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 11px; padding: 0 !important; list-style: none; }
.deliverable-list li { padding: 16px; border: 1px solid var(--line); border-radius: 11px; background: #f7faf8; color: var(--ink); font-weight: 700; line-height: 1.4; }
.result-panel { padding: 28px !important; border: 0 !important; border-radius: 16px; background: var(--deep); color: #fff; }
.result-panel .eyebrow { color: var(--lime); }
.result-panel h2,.result-panel p,.result-panel li { color: #fff; }
.result-numbers { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 25px; }
.result-numbers div { padding: 18px; border: 1px solid rgba(255,255,255,.18); border-radius: 11px; }
.result-numbers strong { display: block; font-size: 27px; }
.result-numbers span { color: #d6e4dd; font-size: 12px; }
.next-cases { padding: 65px 0; background: #f5faf7; }
.next-cases-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; width: min(980px, calc(100% - 52px)); margin: auto; }
.next-cases h2 { margin: 8px 0 0; font-size: 31px; }
@media (max-width:790px) {
  .case-hero,.case-visual { width: calc(100% - 36px); }
  .case-meta { grid-template-columns: repeat(2,1fr); }
  .case-article { grid-template-columns: 1fr; gap: 38px; width: calc(100% - 36px); }
  .case-aside { position: static; }
  .result-numbers { grid-template-columns: 1fr; }
  .next-cases-inner { align-items: flex-start; flex-direction: column; width: calc(100% - 36px); }
}
@media (max-width:500px) {
  .case-hero,.case-visual,.case-article,.next-cases-inner { width: calc(100% - 28px); }
  .case-meta,.deliverable-list { grid-template-columns: 1fr; }
  .case-visual .mock { min-height: 300px; padding: 22px; }
}