.case-hero { padding: calc(var(--header-height) + clamp(4rem,8vw,7rem)) 0 clamp(4rem,8vw,7rem); background: radial-gradient(circle at 85% 20%,rgba(33,215,239,.14),transparent 28%),#0b1013; border-bottom: 1px solid var(--line); }
.case-hero__grid { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(280px,.55fr); gap: clamp(3rem,8vw,8rem); align-items: end; }
.case-hero h1 { max-width: 980px; font-size: clamp(3.2rem,7vw,7rem); }
.case-deck { max-width: 780px; margin: 0; color: #bac4c8; font-size: clamp(1.05rem,1.7vw,1.35rem); line-height: 1.65; }
.case-facts { margin: 0; border-top: 1px solid var(--line); }
.case-facts div { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.case-facts dt { color: var(--muted); font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.case-facts dd { margin: .35rem 0 0; color: var(--text); font-size: .9rem; line-height: 1.5; }
.case-section { padding: clamp(4rem,8vw,8rem) 0; border-bottom: 1px solid var(--line); background: var(--bg); }
.case-section:nth-of-type(even), .case-role { background: var(--surface); }
.case-two-col { display: grid; grid-template-columns: minmax(250px,.7fr) minmax(0,1.3fr); gap: clamp(3rem,9vw,9rem); }
.case-heading { max-width: 840px; margin-bottom: clamp(2.5rem,5vw,4rem); }
.case-section h2 { font-size: clamp(2.6rem,5vw,5rem); }
.case-prose { max-width: 820px; }
.case-prose > p { margin: 0; color: #c2cbcf; font-size: clamp(1.03rem,1.45vw,1.2rem); line-height: 1.75; }
.case-prose h3 { margin: 2.5rem 0 .75rem; font-size: 1.45rem; }
.disclosure { margin-top: 2rem; padding: 1.2rem 1.35rem; border-left: 3px solid var(--accent); background: rgba(33,215,239,.055); }
.disclosure strong { color: var(--accent); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.disclosure p { margin: .45rem 0 0; color: var(--muted); font-size: .84rem; }
.action-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.action-card { min-height: 245px; padding: 1.8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.action-card span { color: var(--accent); font: 700 .67rem ui-monospace,monospace; }
.action-card h3 { margin: 2.8rem 0 .7rem; font-size: 1.35rem; }
.action-card p { margin: 0; color: var(--muted); font-size: .87rem; }
.technical-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.technical-card { padding: clamp(1.5rem,3vw,2.4rem); background: #0d1316; }
.technical-card h3 { margin: 0 0 .8rem; font-size: 1.4rem; }
.technical-card p { margin: 0; color: #aeb9bd; font-size: .9rem; }
.visual-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.25rem; }
.visual-grid figure { margin: 0; min-width: 0; }
.visual-grid img { width: 100%; height: auto; aspect-ratio: 16/10; object-fit: contain; background: #fff; border: 1px solid var(--line); }
.visual-grid figcaption { margin-top: .65rem; color: var(--muted); font-size: .74rem; }
.result-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.result-card { min-height: 180px; padding: 1.6rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result-card strong { display: block; color: var(--accent); font-family: var(--display); font-size: clamp(1.5rem,3vw,2.6rem); line-height: 1.05; }
.result-card span { display: block; margin-top: .6rem; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.result-implication { max-width: 900px; margin: 2rem 0 0; color: #c3cdd1; font-size: 1.05rem; line-height: 1.7; }
.source-note { margin: 1.5rem 0 0; color: var(--muted); font-size: .72rem; }
@media (max-width: 900px) { .case-hero__grid,.case-two-col { grid-template-columns: 1fr; gap: 2.5rem; } .action-grid,.result-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 620px) { .action-grid,.result-grid,.technical-grid,.visual-grid { grid-template-columns: 1fr; } .case-hero h1 { font-size: clamp(2.8rem,14vw,4.5rem); } .action-card { min-height: 210px; } }