:root{--accent:#067d78;--navy:#084c54;--sky:#22c9b5}
.treasure-page .intro{padding-top:60px}.treasure-page .lead{line-height:1.48}.treasure-page .project-place{line-height:1.45}.treasure-page .project-meta{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 40px;margin:36px 0 0;padding:26px 0 0}.treasure-page .project-meta>div{min-width:0}.treasure-page .project-meta dt{line-height:1.4;margin:0 0 14px}.treasure-page .project-meta dd{line-height:1.55;word-break:keep-all;overflow-wrap:anywhere}
.treasure-page .eyebrow{font-size:17px;font-weight:650;color:var(--accent);margin:0 0 18px}.treasure-page h2{line-height:1.18}.treasure-page .section-copy{line-height:1.51;max-width:860px}.treasure-page h3{line-height:1.24;margin:0}.treasure-page figcaption{line-height:1.39}.treasure-page .hero{background:#111}.hero-slides{position:relative;aspect-ratio:2186/1464}.hero-slide{position:absolute;inset:0}.hero-slide img{width:100%;height:100%!important;object-fit:contain}.hero-slide[hidden]{display:none}.hero-arrow{font-size:34px;cursor:pointer}.treasure-page button[data-view]{border:0;background:transparent}.treasure-page .film,.treasure-page .standalone{margin-top:38px}.treasure-page .film video{aspect-ratio:16/9}.overview-image{margin:40px 0 0}.feature-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px;text-align:center;margin:0 0 6px}.feature-nav a{display:flex;align-items:center;flex-direction:column;color:#111;text-decoration:none}.feature-nav b{font-size:15px;font-weight:650;color:var(--accent);margin-bottom:8px}.feature-nav strong{font-size:19px;font-weight:650;border:1px solid #a7c6c3;border-radius:999px;padding:12px 20px}.feature-nav span{color:#666;font-size:16px;margin-top:13px}.feature-nav a:hover strong{background:#eef7f6}.floor-list{display:flex;gap:20px;margin:32px 0 0}.floor-list>div{display:flex;gap:12px;align-items:center;border:1px solid #d2e0de;border-radius:999px;padding:12px 18px}.floor-list b{color:var(--accent);font-size:20px}.floor-list span{font-size:17px}.spatial-layout{display:grid;grid-template-columns:2.5fr 1fr;gap:36px;align-items:center;margin-top:44px}.spatial-key>div+div{margin-top:35px}.spatial-key span{color:var(--accent);font-size:15px;font-weight:650;display:block;margin-bottom:10px}.spatial-key h3{font-size:21px}.spatial-key p{font-size:17px;line-height:1.5;color:#666;margin:10px 0 0;word-break:keep-all}
.simple-flow{list-style:none;padding:0;margin:34px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.simple-flow li{position:relative;border:1px solid #abc8c5;border-radius:999px;padding:16px;text-align:center}.simple-flow small{font-size:14px;color:var(--accent);margin-right:13px}.simple-flow strong{font-size:19px;font-weight:600}.simple-flow li+li:before{content:'→';position:absolute;left:-30px;color:var(--accent)}
.illustrated-steps{list-style:none;padding:0;margin:48px 0 40px;display:flex;gap:0;align-items:flex-end}.illustrated-steps>li{width:calc(100% * var(--part));text-align:center;min-width:0}.drawing-window{overflow:hidden;width:100%;aspect-ratio:calc(3 * var(--part));position:relative}.drawing-window img{position:absolute;top:0;left:calc(-100% * var(--offset) / var(--part));width:calc(100% / var(--part));height:auto;max-width:none}.step-bubble{display:inline-flex;align-items:center;gap:10px;justify-content:center;border:1px solid #a7c6c3;border-radius:999px;padding:12px 22px;font-size:18px;font-weight:600;margin-top:20px}.step-bubble small{font-size:13px;color:var(--accent);font-weight:500}.implementation-note{margin:36px 0 0;padding-top:24px;border-top:1px solid #d5e3e1;font-size:19px;font-weight:600;line-height:1.5;text-align:center;word-break:keep-all}.behavior-pair{display:grid;grid-template-columns:repeat(2,1fr);gap:36px;margin:42px 0 0}.behavior-pair>div{padding:26px 0 0;border-top:2px solid var(--accent)}.behavior-pair span{font-size:15px;color:var(--accent);display:block;margin-bottom:14px}.behavior-pair h3{font-size:23px}.behavior-pair p{font-size:18px;color:#666;line-height:1.5;margin:14px 0 0}.voice-detail{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:center;margin-top:52px}.voice-detail p{font-size:19px;color:#555;line-height:1.5;word-break:keep-all}.voice-symbol{display:block;color:var(--accent);font-size:42px;margin-bottom:18px}.treasure-page .sub-block{margin-top:54px;padding-top:34px}.sub-block .section-copy{margin-top:18px}.system-lines{margin-top:40px;border-top:2px solid var(--accent)}.system-lines>div{display:grid;grid-template-columns:40px 1fr 22px 1.5fr 22px 1.2fr;gap:20px;align-items:center;padding:24px 0;border-bottom:1px solid #ddd}.system-lines b{background:var(--accent);color:white;border-radius:50%;width:32px;height:32px;display:grid;place-items:center;font-size:17px}.system-lines span,.system-lines strong{font-size:18px;font-weight:550;line-height:1.4;word-break:keep-all}.system-lines i{font-style:normal;color:#7a9e9a}.system-lines strong{font-weight:700}.treasure-page .credits dd{word-break:keep-all}
@media(max-width:1000px){.spatial-layout{grid-template-columns:1fr}.spatial-key{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.spatial-key>div+div{margin:0}.floor-list{gap:12px}.floor-list>div{padding:10px 14px}.floor-list span{font-size:15px}.step-bubble{padding:10px 15px;font-size:16px}.feature-nav{gap:20px}.feature-nav strong{font-size:17px;padding:10px 16px}}
@media(max-width:700px){.treasure-page .intro{padding-top:30px}.treasure-page .project-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 20px}.treasure-page .project-meta>div:last-child{grid-column:1/-1}.treasure-page .project-meta dt{margin-bottom:10px}.treasure-page .eyebrow{font-size:16px}.treasure-page .hero-slides{aspect-ratio:2186/1464}.hero-arrow{width:38px;height:38px;font-size:27px}.hero-prev{left:10px}.hero-next{right:10px}.treasure-page .film,.treasure-page .standalone{margin-top:28px}.overview-image{margin:26px -12px 0}.feature-nav{grid-template-columns:1fr;gap:14px;text-align:left}.feature-nav a{display:grid;grid-template-columns:25px 1fr;gap:3px 12px;align-items:center}.feature-nav b{grid-row:1/3;margin:0}.feature-nav strong{border:0;border-radius:0;padding:8px 0 0;font-size:19px}.feature-nav span{grid-column:2;margin:0;font-size:16px}.floor-list{flex-direction:column;gap:10px}.floor-list>div{padding:12px 16px}.floor-list span{font-size:17px}.spatial-layout{margin-top:28px;gap:26px}.spatial-key{grid-template-columns:1fr;gap:24px}.spatial-key span{margin-bottom:6px}.spatial-key p{margin-top:8px}.simple-flow{gap:20px;margin-top:28px}.simple-flow li{padding:12px 3px}.simple-flow small{display:block;margin:0 0 6px;font-size:13px}.simple-flow strong{font-size:16px}.simple-flow li+li:before{left:-16px;top:40%;font-size:14px}.illustrated-steps{display:block;margin:32px 0}.illustrated-steps>li{width:100%;max-width:390px;margin-inline:auto}.illustrated-steps>li+li{margin-top:30px}.drawing-window{max-height:310px}.drawing-window img{height:100%;width:auto;min-width:calc(100% / var(--part));object-fit:contain;object-position:left top}.step-bubble{font-size:17px;padding:11px 22px;margin-top:12px}.behavior-pair{grid-template-columns:1fr;gap:25px;margin-top:28px}.behavior-pair h3{font-size:22px}.voice-detail{grid-template-columns:1fr;gap:24px;margin-top:34px}.voice-detail p{font-size:18px}.implementation-note{font-size:17px;line-height:1.5;margin-top:28px;padding-top:22px}.system-lines>div{grid-template-columns:32px 1fr;gap:10px 15px;padding:22px 0}.system-lines b{grid-row:1/6}.system-lines i{grid-column:2;font-size:0}.system-lines i:before{content:'↓';font-size:17px}.system-lines span,.system-lines strong{grid-column:2;font-size:18px}.treasure-page .sub-block{margin-top:40px;padding-top:28px}}
.feature-nav{margin-top:38px;gap:36px}.overview-window{position:relative;overflow:hidden;width:100%;aspect-ratio:1;margin-bottom:16px}.overview-window img{position:absolute;width:300%;max-width:none;left:calc(-100% * var(--model));top:0}.model-canvas{position:relative}.spatial-pin{position:absolute;transform:translate(-50%,-50%);background:var(--accent);color:white;border:2px solid white;border-radius:50%;display:grid;place-items:center;width:32px;height:32px;font-size:13px;font-weight:700;box-shadow:0 2px 8px #0002}.ar-context video{aspect-ratio:480/854;width:100%;height:auto}.ar-context a{color:inherit;text-decoration:underline;text-underline-offset:4px}
@media(max-width:700px){.feature-nav{display:block;margin-top:25px}.feature-nav a{display:flex;text-align:center;margin-bottom:30px}.overview-window{max-width:290px;margin:0 auto 4px}.feature-nav strong{border:1px solid #a7c6c3;border-radius:999px;padding:12px 20px;margin-bottom:10px}.feature-nav b{margin-bottom:8px}.drawing-window{max-height:none}.drawing-window img{width:calc(100% / var(--part));min-width:0;height:auto;object-fit:fill}.ar-context>figure:last-child{max-width:280px;margin-inline:auto}.spatial-pin{width:27px;height:27px;font-size:12px}}
.feature-nav a:nth-child(2) .overview-window{clip-path:inset(0 7% 0 8%)}