/* Large, readable project exhibits. */
h1, h2, h3 { text-wrap: balance; }
.section-head p { text-wrap: balance; }
section { scroll-margin-top: 80px; }
.case-grid { grid-template-columns: 1fr; gap: 28px; }
.case-card { padding: 32px; }
.case-card h3 { font-size: clamp(24px, 3vw, 34px); }
.case-visual { height: auto; aspect-ratio: 16 / 9; margin: -32px -32px 26px; }
.case-visual video { object-fit: contain; }
.case-featured { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; padding: 48px; align-items: center; }
.demo-intro h3 { font-size: clamp(26px, 3vw, 38px); line-height: 1.5; margin: 32px 0 20px; letter-spacing: -.02em; }
.demo-intro p { font-size: 16px; line-height: 1.9; }
.demo-flow { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; font-size: 14px; color: var(--cyan); }
.demo-intro .demo-note { margin-top: 18px; font-size: 12px; }
.demo-document { display: block; padding: 30px; color: #21342e; background: #f2f3ec; text-decoration: none; border-radius: 4px; box-shadow: 0 22px 55px #0004; transition: transform .2s; }
.demo-document:hover { transform: translateY(-4px); }
.document-top { display: flex; justify-content: space-between; padding-bottom: 18px; margin-bottom: 28px; border-bottom: 1px solid #bfc9bf; font-size: 12px; letter-spacing: .07em; }
.demo-document small { color: #50685b; font-size: 12px; }
.demo-document h4 { font-family: "STSong", "SimSun", serif; font-size: clamp(28px, 3vw, 38px); line-height: 1.3; margin: 10px 0 22px; }
.demo-document p { font-size: 15px; line-height: 1.9; color: #44594e; }
.demo-document dl { margin: 24px 0; font-size: 14px; }
.demo-document dl div { display: grid; grid-template-columns: 105px 1fr; gap: 12px; padding: 13px 0; border-top: 1px solid #cbd2c7; }
.demo-document dt { font-weight: 650; }
.demo-document dd { margin: 0; color: #506356; }
.document-bottom { display: flex; justify-content: space-between; font-size: 14px; font-weight: 650; }
.case-detail { grid-template-columns: repeat(3, 1fr); gap: 24px; font-size: 15px; }
.case-detail b { display: block; margin-bottom: 5px; }
.case-meta { margin-top: 18px; align-items: center; }
.button { gap: 12px; }
a:focus-visible { outline: 3px solid #e4bc71; outline-offset: 5px; }
@media (max-width: 850px) {
  .case-featured { grid-template-columns: 1fr; gap: 32px; padding: 28px; }
  .case-detail { grid-template-columns: 1fr; gap: 12px; }
  .case-card { padding: 24px; }
  .case-visual { margin: -24px -24px 24px; }
  .demo-document { padding: 24px; }
}
@media (prefers-reduced-motion: reduce) { .demo-document { transition: none; } }