/* Gaussin — six years of work, with a single large vehicle per slide. */
.gaussin-page { --gaussin-radius: 20px; }
.gaussin-page .collaboration-heading { grid-template-columns: minmax(0, 1fr) auto; gap: 7%; }
.gaussin-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; margin-bottom: 32px; }
.gaussin-brand img { width: clamp(230px, 24vw, 340px); height: auto; filter: brightness(0) invert(1); }
.gaussin-brand .micro { color: #c2c2b8; font-size: 9px; }
.gaussin-page .collaboration-years { padding: 0 0 8px 30px; }
.gaussin-page .collaboration-years > strong { font-size: clamp(52px, 6vw, 92px); line-height: 1; letter-spacing: -.06em; white-space: nowrap; color: var(--yellow); }
.gaussin-page .collaboration-years > span { font-size: 11px; margin-top: 16px; }
.gaussin-page .collaboration-intro { grid-template-columns: minmax(0, 800px) auto; gap: 7%; }
.gaussin-intro-copy p { font-size: clamp(20px, 1.8vw, 26px); line-height: 1.5; letter-spacing: -.015em; color: #deded5; }
.gaussin-intro-copy p + p { font-size: 17px; line-height: 1.65; letter-spacing: 0; color: #bdbdb3; margin-top: 16px; max-width: 710px; }
.gaussin-page .gaussin-visual,
.gaussin-page .gaussin-visual img,
.gaussin-page .case-film-cover,
.gaussin-page .case-film-cover img,
.gaussin-page .film-dialog,
.gaussin-page .film-dialog video,
.gaussin-lightbox,
.gaussin-lightbox-stage,
.gaussin-lightbox-stage img { border-radius: var(--gaussin-radius); }
.gaussin-page .collaboration-cover > .gaussin-visual { background: #111; }
.gaussin-page .collaboration-cover img { width: 100%; height: auto; aspect-ratio: 2 / 1; object-fit: contain; }
.gaussin-page .collaboration-cover .gaussin-image-zoom { bottom: 18px; }
.gaussin-page .collaboration-nav { gap: 12px 34px; }
.gaussin-page .collaboration-nav a { min-height: 38px; align-items: center; }
.gaussin-section-heading { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10%; align-items: end; margin-bottom: 42px; }
.gaussin-section-heading .chapter { margin-bottom: 24px; }
.gaussin-section-heading h2 { font-size: clamp(36px, 4.4vw, 66px); line-height: 1.06; letter-spacing: -.045em; }
.gaussin-section-heading > p { font-size: 17px; line-height: 1.6; max-width: 430px; color: var(--muted); }
.gaussin-vehicles { padding-top: 78px; padding-bottom: 66px; overflow: hidden; }
.vehicle-carousel { position: relative; width: 100%; max-width: 1160px; margin-inline: auto; }
.vehicle-rail {
  display: block; width: 100%; list-style: none; margin: 0; padding: 0;
  touch-action: pan-y pinch-zoom;
}
.vehicle-rail:focus-visible { outline: 2px solid var(--ink); outline-offset: 6px; border-radius: var(--gaussin-radius); }
.vehicle-card { min-width: 0; width: 100%; }
.vehicle-card[hidden] { display: none !important; }
.vehicle-card:not([hidden]) { display: block; }
.vehicle-card .gaussin-visual { width: 100%; height: clamp(320px, 51vw, 640px); background: #e8e8e3; }
.vehicle-card .gaussin-visual img { width: 100%; height: 100%; object-fit: contain; padding: 18px; }
.vehicle-card-caption { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 24px; padding: 24px 0; }
.vehicle-card-caption h3 { font-size: clamp(32px, 3.6vw, 46px); line-height: 1.1; letter-spacing: -.035em; }
.vehicle-card-caption .micro { color: var(--muted); font-size: 9px; margin-bottom: 9px; }
.vehicle-card-caption > p { font-size: 16px; line-height: 1.6; color: var(--muted); max-width: 460px; margin: 0; }
.vehicle-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); padding-top: 22px; }
.vehicle-controls .micro { font-size: 10px; }
.vehicle-arrows { display: flex; gap: 10px; }
.vehicle-arrows button { min-width: 52px; min-height: 52px; padding: 12px; border: 1px solid var(--ink); border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; gap: 22px; transition: background .2s; }
.vehicle-arrows button span { font-size: 23px; line-height: 1; }
.vehicle-arrows #vehicle-next { background: var(--yellow); padding-inline: 22px; font-size: 15px; font-weight: 600; }
.vehicle-arrows button:hover { background: #e8b300; }
.gaussin-images { border-top: 1px solid var(--line); padding-top: 76px; padding-bottom: 76px; }
.gaussin-visual { width: 100%; padding: 0; display: block; position: relative; overflow: hidden; cursor: zoom-in; background: #e8e8e3; }
.gaussin-visual img { display: block; width: 100%; height: auto; }
.gaussin-visual:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; z-index: 2; }
.gaussin-image-zoom { position: absolute; right: 15px; bottom: 15px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; font-size: 20px; line-height: 1; background: var(--yellow); color: var(--ink); border: 1px solid #14141418; opacity: .88; transition: transform .2s, opacity .2s; pointer-events: none; }
.gaussin-visual:hover .gaussin-image-zoom { opacity: 1; transform: translate(2px, -2px); }
.gaussin-figure { margin: 0; min-width: 0; }
.gaussin-figure figcaption { display: flex; gap: 15px; justify-content: space-between; padding-top: 13px; font: 10px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .035em; color: var(--muted); }
.gaussin-detail-pair { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: end; }
.gaussin-detail-pair .gaussin-visual { aspect-ratio: 3 / 2; }
.gaussin-detail-pair img { height: 100%; object-fit: contain; }
.gaussin-story { display: grid; grid-template-columns: 1fr 1fr; gap: 8%; padding-top: 42px; }
.gaussin-story h3 { font-size: 26px; line-height: 1.2; letter-spacing: -.035em; margin-bottom: 16px; }
.gaussin-story p { font-size: 17px; line-height: 1.65; color: var(--muted); max-width: 620px; }
.gaussin-wide-image { margin-top: 58px; }
.gaussin-context-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 42px 28px; margin-top: 42px; }
.gaussin-context-grid .gaussin-visual { aspect-ratio: 16 / 10; }
.gaussin-context-grid img { height: 100%; object-fit: contain; }
.gaussin-context-grid .gaussin-site-plan { grid-column: 1 / -1; max-width: 940px; width: 100%; margin: 4px auto 0; }
.gaussin-site-plan .gaussin-visual { background: #eeeee9; aspect-ratio: 16 / 9; }
.gaussin-more-images { border-top: 1px solid #aaa99d; border-bottom: 1px solid #aaa99d; margin-top: 58px; }
.gaussin-more-images summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; cursor: pointer; list-style: none; padding: 24px 0; font-size: 22px; letter-spacing: -.025em; line-height: 1.3; }
.gaussin-more-images summary::-webkit-details-marker { display: none; }
.gaussin-more-images summary small { display: block; font: 10px/1.5 var(--mono); color: var(--muted); margin-top: 6px; letter-spacing: 0; }
.gaussin-more-images .detail-plus { flex: none; }
.gaussin-more-images[open] .detail-plus { transform: rotate(45deg); }
.gaussin-more-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 30px 24px; padding: 10px 0 32px; }
.gaussin-more-grid .gaussin-visual { aspect-ratio: 16 / 10; }
.gaussin-more-grid img { height: 100%; object-fit: contain; }
.gaussin-more-grid figcaption { font-size: 9px; }
.gaussin-films { padding-top: 76px; padding-bottom: 76px; }
.gaussin-films .chapter { color: var(--yellow); }
.gaussin-films .gaussin-section-heading > p { color: #bdbdb2; }
.gaussin-brand-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: start; }
.gaussin-brand-grid .case-film-cover img { height: auto; aspect-ratio: 16 / 9; object-fit: contain; opacity: 1; }
.gaussin-brand-grid .gaussin-figure { padding-top: 0; }
.gaussin-brand-grid .gaussin-visual { background: #000; }
.gaussin-brand-grid figcaption { color: #b9b9ad; font-size: 9px; }
.gaussin-film-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; margin-top: 17px; }
.gaussin-film-meta .micro { font-size: 10px; color: #c3c3b8; }
.gaussin-film-meta a { font-size: 12px; text-decoration: underline; text-underline-offset: 5px; padding: 7px 0; }
.gaussin-film-meta a:hover { color: var(--yellow); }
.gaussin-film-note { font-size: 13px; color: #b4b4aa; line-height: 1.65; margin-top: 16px; max-width: 560px; }
.gaussin-secondary-film { display: grid; grid-template-columns: 1fr 1.3fr; align-items: center; gap: 10%; border-top: 1px solid #48483f; margin-top: 64px; padding-top: 52px; }
.gaussin-secondary-film .chapter { font-size: 9px; margin-bottom: 22px; }
.gaussin-secondary-film h3 { font-size: clamp(32px, 3.4vw, 50px); line-height: 1.1; letter-spacing: -.04em; margin-bottom: 22px; }
.gaussin-secondary-film p:not(.chapter) { max-width: 430px; font-size: 16px; line-height: 1.6; color: #c6c6bc; }
.gaussin-secondary-film .case-film-cover img { aspect-ratio: 16 / 9; object-fit: contain; opacity: 1; }
.gaussin-secondary-film p + p { margin-top: 20px; }
.gaussin-yard-film { scroll-margin-top: 110px; }
.gaussin-page .collaboration-duration h2 { max-width: 600px; }

/* The lightbox presents the actual complete image, never a cropped substitute. */
.gaussin-lightbox {
  width: min(1500px, calc(100vw - 32px)); max-width: none;
  height: min(1000px, calc(100dvh - 32px)); max-height: none;
  padding: 0; margin: auto; border: 1px solid #77776c;
  background: #f5f5f2; color: var(--ink); overflow: hidden;
}
.gaussin-lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }
.gaussin-lightbox::backdrop { background: #080808e8; }
.gaussin-lightbox-bar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.gaussin-lightbox-bar .micro { font-size: 9px; }
.gaussin-lightbox-close { flex: none; width: 44px; height: 44px; font-size: 32px; line-height: 1; border: 1px solid var(--ink); }
.gaussin-lightbox-stage { min-height: 0; min-width: 0; background: #e8e8e3; margin: 8px; overflow: hidden; }
.gaussin-lightbox-stage img { display: block; width: 100%; height: 100%; object-fit: contain; }
.gaussin-lightbox-footer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 25px; align-items: center; padding: 18px 20px; border-top: 1px solid var(--line); }
.gaussin-lightbox-footer h2 { font-size: 20px; line-height: 1.3; letter-spacing: -.02em; }
.gaussin-lightbox-footer a { display: inline-block; font-size: 11px; margin-top: 7px; padding: 5px 0; text-decoration: underline; text-underline-offset: 3px; }
.gaussin-lightbox-controls { display: flex; align-items: center; gap: 14px; }
.gaussin-lightbox-controls button { width: 44px; height: 44px; border: 1px solid var(--ink); font-size: 23px; }
.gaussin-lightbox-controls button:hover, .gaussin-lightbox-close:hover { background: var(--yellow); }
.gaussin-lightbox-controls button:disabled { opacity: .25; cursor: default; }
.gaussin-lightbox-position { min-width: 58px; text-align: center; font-size: 10px; }

@media (max-width: 1000px) {
  .gaussin-section-heading { gap: 6%; }
  .gaussin-brand-grid { grid-template-columns: 1.45fr 1fr; gap: 24px; }
  .gaussin-page .collaboration-intro { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .gaussin-page .collaboration-intro > a { justify-self: start; }
}
@media (max-width: 800px) {
  .gaussin-page .collaboration-heading { grid-template-columns: minmax(0, 1fr); gap: 26px; padding-top: 30px; }
  .gaussin-page .collaboration-heading > div:first-child { grid-row: auto; }
  .gaussin-brand { gap: 14px; margin-bottom: 28px; }
  .gaussin-brand img { width: min(270px, 77%); }
  .gaussin-page .collaboration-years { grid-row: auto; display: flex; align-items: center; gap: 18px; padding: 0; border: 0; }
  .gaussin-page .collaboration-years > strong { font-size: 44px; }
  .gaussin-page .collaboration-years > span { font-size: 10px; margin: 0; }
  .gaussin-page .collaboration-intro > a { display: inline-flex; }
}
@media (max-width: 700px) {
  .gaussin-page { --gaussin-radius: 16px; }
  .gaussin-page .collaboration-cover { width: 100%; margin-inline: 0; }
  .gaussin-page .collaboration-cover figcaption { padding-inline: 0; }
  .gaussin-page .collaboration-cover img { aspect-ratio: 2 / 1; }
  .gaussin-intro-copy p { font-size: 20px; }
  .gaussin-intro-copy p + p { font-size: 16px; line-height: 1.65; }
  .gaussin-page .collaboration-cover .gaussin-image-zoom { bottom: 12px; right: 14px; }
  .gaussin-page .collaboration-nav { gap: 0 20px; }
  .gaussin-page .collaboration-nav a { min-height: 44px; }
  .gaussin-vehicles, .gaussin-images, .gaussin-films { padding-top: 58px; padding-bottom: 58px; }
  .gaussin-section-heading { grid-template-columns: minmax(0, 1fr); gap: 22px; margin-bottom: 30px; }
  .gaussin-section-heading .chapter { font-size: 9px; margin-bottom: 22px; }
  .gaussin-section-heading h2 { font-size: clamp(34px, 8.8vw, 49px); }
  .gaussin-section-heading > p { font-size: 16px; line-height: 1.6; max-width: 450px; }
  .vehicle-card .gaussin-visual { height: auto; aspect-ratio: 4 / 3; }
  .vehicle-card .gaussin-visual img { position: absolute; inset: 0; padding: 5px; }
  .vehicle-card-caption { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 22px 0; }
  .vehicle-card-caption h3 { font-size: 34px; }
  .vehicle-card-caption > p { font-size: 16px; }
  .vehicle-controls { gap: 16px; padding-top: 18px; }
  .vehicle-arrows { gap: 8px; }
  .gaussin-story { grid-template-columns: minmax(0, 1fr); gap: 28px; padding-top: 32px; }
  .gaussin-story h3 { font-size: 25px; }
  .gaussin-story p { font-size: 16px; }
  .gaussin-detail-pair { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .gaussin-detail-pair .gaussin-visual { aspect-ratio: 3 / 2; }
  .gaussin-figure figcaption { font-size: 9px; line-height: 1.6; }
  .gaussin-wide-image { margin-top: 36px; }
  .gaussin-context-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; margin-top: 30px; }
  .gaussin-context-grid .gaussin-site-plan { margin-top: 0; }
  .gaussin-image-zoom { width: 32px; height: 32px; right: 12px; bottom: 12px; font-size: 18px; }
  .gaussin-more-images { margin-top: 36px; }
  .gaussin-more-images summary { font-size: 21px; padding: 22px 0; }
  .gaussin-more-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 25px 16px; }
  .gaussin-more-grid figcaption { font-size: 8px; }
  .gaussin-more-grid .gaussin-image-zoom { width: 26px; height: 26px; right: 7px; bottom: 7px; font-size: 16px; }
  .gaussin-brand-grid { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .gaussin-film-meta { gap: 8px 20px; margin-top: 13px; }
  .gaussin-film-meta .micro { font-size: 9px; }
  .gaussin-film-meta a { font-size: 11px; min-height: 40px; display: inline-flex; align-items: center; }
  .gaussin-film-note { font-size: 12px; margin-top: 10px; }
  .gaussin-secondary-film { grid-template-columns: minmax(0, 1fr); gap: 28px; margin-top: 40px; padding-top: 38px; }
  .gaussin-secondary-film h3 { font-size: 34px; margin-bottom: 20px; }
  .gaussin-secondary-film p:not(.chapter) { font-size: 16px; }
  .gaussin-lightbox { width: calc(100vw - 16px); height: calc(100dvh - 24px); }
  .gaussin-lightbox-bar { padding: 10px 12px; }
  .gaussin-lightbox-footer { grid-template-columns: minmax(0, 1fr); gap: 14px; padding: 16px 14px; }
  .gaussin-lightbox-footer h2 { font-size: 17px; }
  .gaussin-lightbox-controls { justify-content: space-between; }
}
@media (max-width: 460px) {
  .vehicle-controls > .micro { width: 100%; }
  .vehicle-arrows { width: 100%; }
  .vehicle-arrows #vehicle-next { flex: 1; gap: 16px; padding-inline: 12px; }
  .gaussin-page .collaboration-years > strong { font-size: 40px; }
}
@media (prefers-reduced-motion: reduce) {
  .gaussin-image-zoom, .vehicle-arrows button { transition: none; }
}
@media print {
  .vehicle-controls, .gaussin-image-zoom, .gaussin-lightbox { display: none !important; }
  .gaussin-figure, .vehicle-card { break-inside: avoid; }
}