:root{--museum-font-sans:"Helvetica Neue", HelveticaNeue-Medium, Roboto, "Noto Sans JP", "游ゴシック Medium", "Yu Gothic Medium", 游ゴシック体, YuGothic, "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, sans-serif;color-scheme:dark;--ink:#f4f3f0;--muted:#b2b3b4;--line:#ffffff28;--surface:#17191b;--accent:#d2b69a;font-family:var(--museum-font-sans)}
*{box-sizing:border-box}body{margin:0;background:#0c0d0e;color:var(--ink)}button,a,input{-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{color:inherit;cursor:pointer}button{border:0;background:none}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #fff;outline-offset:6px}button:disabled{opacity:.2;cursor:default}svg{display:block}img{display:block;max-width:100%}button,a{touch-action:manipulation}.visually-hidden,.skip:not(:focus){position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip:focus{position:fixed;z-index:99;padding:16px;background:#222}.museum{position:relative;min-height:740px;height:100svh;overflow:hidden;isolation:isolate}.ambient{position:absolute;inset:0;z-index:-2;background:#141516}.ambient img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) blur(4px);opacity:.25;transform:scale(1.08)}.ambient:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 42%,#0d101008 0%,#080a0bd9 80%),linear-gradient(#05060796,transparent 35%,#060708eb)}
.mast{height:92px;position:relative;display:flex;align-items:center;justify-content:space-between;padding:0 4%;z-index:5;gap:30px}.brand{display:flex;gap:10px;align-items:center;text-decoration:none}.brand svg{width:35px;stroke:currentColor;stroke-width:1.4;fill:none}.brand>span{font-size:22px;font-weight:600;letter-spacing:-1px}.brand small{display:block;font-size:8px;font-weight:400;letter-spacing:3px;margin-top:7px}.utilities{display:flex;align-items:center;gap:20px}.utilities button:first-child{font-size:11px;letter-spacing:.06em}.utilities button:first-child span{margin-left:15px}.utilities button:not(:first-child){font-size:22px;width:28px;height:40px}
.gallery{position:absolute;inset:92px 0 232px;min-height:390px}.collection-label{position:absolute;left:4%;top:0}.collection-label h1{font-size:17px;font-weight:400;letter-spacing:.16em;margin:6px 0 8px}.collection-label>span{font-size:10px;color:var(--muted);letter-spacing:.1em}.selected-heading{text-align:center;position:absolute;top:0;left:25%;width:50%;z-index:3;pointer-events:none}.selected-heading time{font-family:var(--museum-font-sans);font-size:clamp(28px,3.3vw,53px);font-weight:400;letter-spacing:.02em;display:block}.selected-heading h2{font-size:15px;font-weight:400;margin:16px 0 0;letter-spacing:.06em}.date-orbit{width:290px;height:290px;border:1px solid #ffffff16;border-radius:50%;position:absolute;left:50%;top:-232px;transform:translateX(-50%);pointer-events:none}
.era-marker{position:absolute;left:7%;top:50%;transform:translateY(-50%);width:140px;height:140px;border:1px solid #ffffff24;border-radius:50%;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#d9d8d5}.era-marker>span{font:36px var(--museum-font-sans)}.era-marker small{font-size:13px;margin-top:6px}.selected-art{position:absolute;left:50%;top:24%;transform:translateX(-50%);width:29%;height:68%;max-width:480px;padding:0;display:flex;align-items:center;justify-content:center;flex-direction:column;z-index:4}.selected-art #selected-media{display:flex;align-items:center;justify-content:center;width:100%;height:calc(100% - 38px);transition:transform .3s}.selected-art img{width:100%;height:100%;object-fit:contain;filter:saturate(.75);box-shadow:0 1px 2px #0007}.selected-art:hover #selected-media{transform:scale(1.025)}.open-label{font-size:10px;letter-spacing:.13em;display:flex;justify-content:center;gap:22px;align-items:center;margin-top:16px;opacity:.7}.open-label>span{font-size:17px}.selected-art:hover .open-label{opacity:1}.selected-art svg{width:100%;height:100%;background:#121619;border:1px solid #ffffff35}
.floating-gallery{position:absolute;inset:0;pointer-events:none}.floating-card{position:absolute;top:44%;width:14%;height:40%;padding:0;pointer-events:auto;opacity:.64;transition:opacity .2s,transform .2s}.floating-card:hover{opacity:1;transform:translateY(-5px)}.floating-card time{display:block;text-align:center;font:19px var(--museum-font-sans);color:#d6d5d1;margin-bottom:12px}.floating-card img{width:100%;height:calc(100% - 34px);object-fit:cover;filter:saturate(.45);border:1px solid #ffffff16}.floating-card svg{width:100%;height:calc(100% - 34px);background:#101416}.floating-card.pos-minus-2{left:-7%;top:42%;width:11%;height:35%}.floating-card.pos-minus-1{left:21%;width:10%;top:45%;height:32%;opacity:.45}.floating-card.pos-plus-1{right:17%;width:15%;top:38%;height:43%}.floating-card.pos-plus-2{right:1.8%;width:12%;top:44%;height:37%}.gallery-arrow{position:absolute;top:50%;font:34px var(--museum-font-sans);width:44px;height:58px;z-index:5;opacity:.5}.gallery-arrow:hover{opacity:1}.gallery-arrow.left{left:33%}.gallery-arrow.right{right:33%}.photo-credit{position:absolute;right:4%;bottom:0;font-size:9px;color:#a2a4a6}
.timeline{position:absolute;left:0;right:0;bottom:35px;height:180px}.rail-heading{display:flex;justify-content:space-between;padding:0 4%;font-size:8px;color:#b1b2b3;letter-spacing:.2em}.rail-heading>span:last-child{letter-spacing:.05em}.key-hint{margin-left:12px;font-size:12px}.filmstrip{display:flex;align-items:flex-end;gap:15px;overflow-x:auto;padding:16px calc(50% - 42px) 12px;scrollbar-width:none;scroll-snap-type:x proximity;overscroll-behavior-x:contain}.filmstrip::-webkit-scrollbar{display:none}.event-card{flex:0 0 74px;width:74px;padding:0;opacity:.5;scroll-snap-align:center;transition:opacity .25s,transform .25s}.event-card:hover{opacity:.95}.event-card time{font:15px var(--museum-font-sans);display:block;text-align:center;white-space:nowrap;height:24px;color:#e3e1dc}.event-card .thumb{height:48px;display:block;border:1px solid transparent}.event-card img,.event-card svg{width:100%;height:100%;object-fit:cover;filter:saturate(.4);background:#121619}.event-card[aria-current=true]{opacity:1;transform:scale(1.16);z-index:1}.event-card[aria-current=true] .thumb{outline:1px solid #f0ede5;outline-offset:4px}.event-card[aria-current=true] time{color:#fff}.selected-caption{text-align:center;padding:3px 20px 0}.selected-caption p{margin:0 auto;color:#cecfce;font-size:11px;line-height:1.8;max-width:700px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.scrubber{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:10px;font:9px var(--museum-font-sans);color:#999}.scrubber input{width:210px;accent-color:#dad9d4;height:2px;cursor:pointer}footer{position:absolute;bottom:13px;left:4%;right:4%;display:flex;justify-content:space-between;font-size:8px;color:#7f8386;letter-spacing:.1em}
dialog{color:var(--ink);background:#17191b;border:1px solid #ffffff30;padding:0;max-height:92svh;width:min(1100px,94vw);box-shadow:0 30px 120px #000a}dialog::backdrop{background:#000b;backdrop-filter:blur(15px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.dialog-head h2{font-size:24px;font-weight:400;margin:0}.dialog-head small{font-size:9px;letter-spacing:.2em;color:#aaa;display:block;margin-bottom:10px}.dialog-head button{font-size:32px}.dialog-close{position:sticky;top:0;margin:0 0 -55px auto;display:block;z-index:2;background:#0c0d0ecc;padding:14px 22px;font-size:24px}.dialog-close span{font-size:11px;vertical-align:middle;margin-left:10px}.exhibit-dialog{width:min(1200px,96vw)}.detail-layout{display:grid;grid-template-columns:55% 45%;min-height:640px}.detail-visual{background:#0f1112;display:flex;align-items:center;padding:50px 40px;position:relative}.detail-image{width:100%;max-height:570px;object-fit:contain}.detail-body{padding:70px 48px 35px}.detail-body>time{font:28px var(--museum-font-sans);color:#c4bfba}.detail-body h2{font-size:24px;line-height:1.6;font-weight:400;margin:14px 0 24px}.detail-body p{font-size:13px;line-height:2.1;color:#c8c9c8}.detail-caption{font-size:9px!important;color:#888!important;line-height:1.8;margin-top:20px}.related-copy{padding-top:18px;margin-top:22px;border-top:1px solid var(--line)}.related-copy h3{font-size:14px;line-height:1.8;font-weight:500}.sources{display:flex;flex-direction:column;gap:10px;margin-top:25px;font-size:10px;color:#aeb6bb}.detail-nav{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:30px;padding-top:22px;font-size:11px}.index-dialog,.credits-dialog{padding:38px;max-width:800px}.index-dialog>label{display:block;font-size:11px;color:#aaa;margin-bottom:10px}.index-dialog input{width:100%;background:none;border:0;border-bottom:1px solid #ffffff50;border-radius:0;padding:12px 0;color:#fff}.index-tabs{display:flex;gap:24px;margin-top:25px}.index-tabs button{font-size:12px;padding:10px 0;color:#909395;border-bottom:1px solid transparent}.index-tabs .selected{color:#fff;border-color:#fff}.index-row{width:100%;display:grid;grid-template-columns:160px 1fr 20px;text-align:left;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:12px}.index-row:hover{background:#ffffff08}.index-row time{font:14px var(--museum-font-sans);color:#b8b3ad}.no-results{font-size:13px;color:#bbb;line-height:2;padding:35px 0}#credits-content{font-size:12px;line-height:2;color:#bbb}#credits-content li{margin-bottom:14px}#credits-content h3{margin-top:32px;color:#eee}
.formation-dialog{width:100vw;max-width:none;height:100svh;max-height:none;border:0;background:radial-gradient(ellipse at 40% 50%,#29333a,#0c1014 75%);overflow:auto}.formation-mast{display:flex;align-items:center;justify-content:space-between;padding:25px 4%;border-bottom:1px solid #ffffff1a;font-size:9px;letter-spacing:.17em}.formation-mast button{font-size:24px}.formation-mast button span{font-size:11px;vertical-align:middle;margin-left:12px;letter-spacing:0}.formation-shell{padding:28px 4% 25px;max-width:1600px;margin:auto}.formation-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}.formation-heading small{font-size:9px;letter-spacing:.2em;color:#aab8c0}.formation-heading h2{font-size:24px;letter-spacing:.08em;font-weight:400;margin:10px 0}.formation-tabs{display:flex;gap:24px;padding-top:6px}.formation-tabs button{font-size:12px;color:#9cabb6;padding:12px 0;border-bottom:1px solid transparent}.formation-tabs button[aria-selected=true]{color:white;border-color:white}.formation-workspace{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:32px;align-items:center;min-height:420px}.formation-figure{margin:0;min-width:0;position:relative}.formation-figure svg{width:100%;height:auto;display:block;max-height:49svh}.formation-figure figcaption{font-size:9px;color:#9baab4;line-height:1.8;max-width:660px}.formation-copy>time{font:22px var(--museum-font-sans);color:#bdc8cf}.formation-copy h3{font-size:23px;font-weight:400;line-height:1.6;margin:12px 0 15px}.formation-copy p{font-size:12px;line-height:2;color:#b7c3cb}.formation-copy .process{margin-top:20px;padding-left:15px;border-left:1px solid #c6a47e;font-size:11px}.formation-tools{display:flex;flex-wrap:wrap;gap:18px;margin:10px 0 15px}.formation-tools label{display:flex;align-items:center;gap:7px;font-size:10px;color:#bcc7ce;cursor:pointer}.formation-tools input{accent-color:#b3c9d6}.formation-legend{display:flex;gap:16px;flex-wrap:wrap;margin:14px 0 8px}.formation-legend span{display:flex;gap:6px;align-items:center;font-size:9px;color:#b6c0c8}.formation-legend i{width:14px;height:4px;display:inline-block;background:var(--swatch)}.formation-stages{display:grid;grid-template-columns:repeat(8,1fr);border-top:1px solid #ffffff32;margin-top:10px}.formation-stages button{text-align:left;position:relative;padding:20px 12px 16px 0;opacity:.45}.formation-stages button:before{content:"";position:absolute;top:-3px;left:0;width:5px;height:5px;border-radius:50%;background:#8b9ca7}.formation-stages button[aria-current=true]{opacity:1}.formation-stages button[aria-current=true]:before{background:#fff;box-shadow:0 0 0 5px #ffffff19}.formation-stages small{font-size:8px;letter-spacing:.15em;display:block;margin-bottom:8px}.formation-stages b{font-size:10px;font-weight:400;display:block;line-height:1.7}.formation-stages span{font:10px var(--museum-font-sans);display:block;color:#b6c1c9;margin-top:5px;line-height:1.5}.formation-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #ffffff14;padding-top:18px;font-size:9px;color:#8498a5}.formation-nav{display:flex;gap:24px;font-size:11px;color:#c4cdd3}.formation-bottom a{margin-right:16px}.formation-progress{display:flex;align-items:center;gap:15px;font:11px var(--museum-font-sans)}.formation-progress input{width:160px;height:2px;accent-color:#c7d6de}.diagram-label{font-family:var(--museum-font-sans);fill:#d2dde4;font-size:12px}.diagram-note{fill:#8fa3b2;font-size:10px}.diagram-line{stroke:#a9bdca;stroke-width:1;fill:none}
@media(min-height:950px){.gallery{bottom:280px}.timeline{height:215px}.event-card .thumb{height:64px}.event-card{flex-basis:90px;width:90px}.filmstrip{padding-left:calc(50% - 50px);padding-right:calc(50% - 50px)}.selected-caption{padding-top:13px}}
@media(max-width:900px){.mast{padding:0 24px;gap:20px}.brand>span{font-size:19px}.utilities{gap:14px}.utilities button:first-child{font-size:10px}.collection-label{left:24px}.collection-label>span{display:none}.selected-heading{left:22%;width:56%}.selected-heading h2{font-size:13px}.selected-art{width:38%;top:27%;height:63%}.floating-card.pos-minus-1{left:9%;width:13%}.floating-card.pos-plus-1{right:5%;width:17%}.floating-card.pos-plus-2,.floating-card.pos-minus-2,.era-marker{display:none}.gallery-arrow.left{left:24%}.gallery-arrow.right{right:24%}.detail-body{padding:60px 28px 30px}.detail-visual{padding:40px 25px}.formation-workspace{grid-template-columns:minmax(0,1fr) 235px;gap:15px;min-height:380px}.formation-copy h3{font-size:20px}.formation-stages b{font-size:9px}.formation-progress{display:none}}
@media(max-width:600px){.museum{min-height:740px;height:100svh}.mast{height:120px;padding:18px 22px;align-items:flex-start}.brand svg{width:26px}.brand>span{font-size:19px}.brand small{font-size:6px;letter-spacing:2px;margin-top:5px}.utilities{gap:12px;padding-top:3px}.utilities button:first-child{font-size:9px}.utilities button:first-child span{margin-left:6px}.utilities button:not(:first-child){font-size:19px;width:20px;height:24px}.gallery{top:137px;bottom:225px;min-height:350px}.collection-label{left:20px;top:0}.collection-label h1{font-size:10px;letter-spacing:.1em;margin:0}.date-orbit{width:200px;height:200px;top:-178px}.selected-heading{left:10%;width:80%;top:18px}.selected-heading time{font-size:35px}.selected-heading h2{font-size:12px;line-height:1.7;margin-top:10px}.selected-art{top:31%;width:64%;height:60%}.floating-card.pos-minus-1{left:-23%;width:33%;height:35%;top:46%;opacity:.3}.floating-card.pos-plus-1{right:-23%;width:33%;height:35%;top:46%;opacity:.3}.gallery-arrow{top:50%;font-size:30px}.gallery-arrow.left{left:4%}.gallery-arrow.right{right:4%}.photo-credit{bottom:-24px;right:20px;font-size:8px}.timeline{height:165px;bottom:33px}.rail-heading{padding:0 22px;font-size:7px}.rail-heading>span:last-child{font-size:8px}.filmstrip{gap:12px;padding-top:18px}.event-card{flex-basis:62px;width:62px}.event-card time{font-size:12px;height:23px}.event-card .thumb{height:43px}.selected-caption{padding-top:8px}.selected-caption p{font-size:9px;max-width:90%}.scrubber{margin-top:8px}.scrubber input{width:140px}footer{left:22px;right:22px;font-size:6px;bottom:12px}footer>span:nth-child(2){display:none}.detail-layout{display:flex;flex-direction:column}.detail-visual{padding:45px 24px 25px;min-height:230px}.detail-image{max-height:300px}.detail-body{padding:24px}.detail-body>time{font-size:25px}.detail-body h2{font-size:21px}.detail-body p{font-size:12px}.dialog-close{font-size:23px;padding:10px 16px}.index-dialog,.credits-dialog{padding:25px 22px}.index-row{grid-template-columns:95px 1fr 12px;font-size:11px;gap:12px}.index-row time{font-size:12px}.formation-mast{padding:17px 20px;font-size:7px}.formation-mast button{font-size:22px}.formation-mast button span{font-size:9px}.formation-shell{padding:22px 20px}.formation-heading{flex-direction:column;gap:5px}.formation-heading h2{font-size:22px}.formation-tabs{gap:30px;padding-top:0}.formation-tabs button{font-size:11px}.formation-workspace{display:flex;flex-direction:column;align-items:stretch;min-height:0;gap:18px}.formation-figure{margin-top:10px}.formation-figure svg{max-height:none}.formation-figure figcaption{font-size:8px}.formation-copy>time{font-size:21px}.formation-copy h3{font-size:20px;margin:8px 0 10px}.formation-copy p{font-size:11px;margin:8px 0}.formation-copy .process{margin:12px 0}.formation-tools{gap:12px;margin-top:0}.formation-legend{gap:12px}.formation-legend span{font-size:8px}.formation-stages{grid-template-columns:repeat(4,1fr);row-gap:8px;margin-top:22px}.formation-stages button{padding:13px 7px 10px 0}.formation-stages button:nth-child(n+5){border-top:1px solid #ffffff32}.formation-stages small{font-size:7px}.formation-stages b{font-size:9px}.formation-stages span{font-size:8px}.formation-bottom{display:block;font-size:8px;line-height:2}.formation-nav{justify-content:space-between;margin-bottom:15px}.formation-bottom a{display:block}.formation-bottom>div:last-child{margin-top:10px}.open-label{font-size:9px;margin-top:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.compare-diagrams{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:center;min-height:280px}.compare-diagrams small{font-size:8px;letter-spacing:.09em;color:#bdcbd4;display:block;padding-top:8px}.compare-diagrams>div{border-top:1px solid #ffffff25}.compare-diagrams svg{max-height:350px}@media(max-width:600px){.compare-diagrams{min-height:180px;gap:7px}.compare-diagrams small{font-size:7px;min-height:28px}}@media(max-width:600px){.compare-diagrams{grid-template-columns:1fr}.compare-diagrams svg{max-height:none}.formation-tools label{min-height:30px}.utilities{gap:10px}}
@media(max-width:600px){.selected-heading time{font-size:clamp(22px,6.4vw,28px);white-space:nowrap}.utilities button:first-child{white-space:nowrap}}@media(max-width:360px){.mast{padding:18px;gap:14px}.brand{gap:8px}.brand svg{width:23px}.brand>span{font-size:17px}.utilities{gap:8px}.utilities button:first-child{font-size:8px}.utilities button:first-child span{margin-left:4px}}
.visually-hidden{top:0;left:0;margin:0}.filmstrip{position:relative;scroll-snap-type:none;padding-left:calc(50% - 37px);padding-right:calc(50% - 37px)}@media(min-height:950px){.filmstrip{padding-left:calc(50% - 45px);padding-right:calc(50% - 45px)}}@media(max-width:600px){.filmstrip{padding-left:calc(50% - 31px);padding-right:calc(50% - 31px)}}
.museum{overflow:clip}.filmstrip{overflow-y:hidden}
.earth-exhibit{display:flex;flex-direction:column;align-items:center;width:100%;height:100%;gap:5px}.earth-motion{display:block;width:100%;height:71%}.earth-motion svg{width:100%;height:100%}.earth-reference{display:flex;height:25%;align-items:center;justify-content:center;gap:12px;width:75%}.earth-reference img{width:100px!important;height:65px!important;object-fit:cover!important}.earth-reference>span{font-size:9px;line-height:1.8;color:#a7b5be;text-align:left;max-width:170px}.motion-transport{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:16px 0 22px;padding:15px 0;border-top:1px solid #ffffff20;border-bottom:1px solid #ffffff20}.motion-transport button{font-size:11px;letter-spacing:.04em;padding:7px 0}.motion-transport button:first-child{min-width:125px;text-align:left}.motion-transport progress{width:95px;height:2px;accent-color:#cdb18a;background:#657b8c33;border:0}.motion-transport progress::-webkit-progress-bar{background:#657b8c33}.motion-transport progress::-webkit-progress-value{background:#cdb18a}.motion-transport>span{font-size:10px;color:#adbecb}.formation-reference{margin:0 0 18px;border-bottom:1px solid #ffffff20;padding-bottom:13px;display:flex;gap:12px;align-items:center}.formation-reference img{width:110px;height:76px;object-fit:cover}.formation-reference figcaption{font-size:9px;line-height:1.8;color:#b9c8d2}.formation-reference figcaption span{display:block;color:#829aa9;font-size:8px}.formation-reference small{display:none}.formation-reference a{display:block;font-size:8px;margin-top:4px;color:#8b9eab}.formation-workspace{min-height:460px}.image-context{border-left:1px solid #bba080;padding-left:14px;margin-top:22px}.image-context strong{font-weight:400;color:#dedbd3}.current-credit{border-bottom:1px solid #ffffff30;padding-bottom:22px;margin-bottom:25px}@media(max-width:600px){.earth-reference{width:84%;gap:10px}.earth-reference img{width:80px!important;height:50px!important}.earth-reference>span{font-size:8px}.formation-workspace{min-height:0}.motion-transport{gap:12px;margin-top:12px;padding:10px 0}.motion-transport>span{font-size:9px;width:100%}.motion-transport progress{width:65px}.motion-transport button{font-size:10px}.motion-transport button:first-child{min-width:115px}.formation-reference{margin-bottom:17px}.formation-reference img{width:105px;height:70px}}
@media(min-width:901px){.formation-workspace{min-height:380px}.formation-figure svg{max-height:36svh}.formation-reference{margin-bottom:15px}}
@media(max-width:600px){.formation-mast{position:sticky;top:0;z-index:20;background:#0c1116f5;backdrop-filter:blur(12px)}.formation-heading{scroll-margin-top:80px}.formation-bottom{padding-bottom:75px}.formation-dialog .formation-nav{position:fixed;bottom:0;left:0;right:0;padding:16px 20px;margin:0;background:#0c1218f5;z-index:20;border-top:1px solid #ffffff25;backdrop-filter:blur(12px)}.formation-dialog .formation-nav button{padding:8px 0}}
/* Interactive geological diorama */
.formation-shell[data-view=three]{max-width:1760px;padding-top:20px}
.formation-shell[data-view=three] .formation-workspace{grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:center;min-height:0}
.formation-shell[data-view=three] .formation-copy h3{font-size:21px}
.formation-shell[data-view=three] .formation-copy p{font-size:11px}
.formation-shell[data-view=three] .motion-transport{margin:12px 0 15px;padding:10px 0}
.formation-figure>[hidden],.formation-tools label[hidden]{display:none!important}
.fuji3d{width:100%;min-width:0}
.fuji3d-viewport{position:relative;height:clamp(310px,41svh,440px);overflow:hidden;border:1px solid #a6bdcc22;background:radial-gradient(ellipse at 48% 40%,#4754616b,#17222d44 60%,#0c131a55);isolation:isolate}
.fuji3d-viewport canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.fuji3d-viewport canvas:active{cursor:grabbing}
.fuji3d-viewport canvas:focus-visible{outline:1px solid #cadde9;outline-offset:-3px}
.fuji3d-badge{position:absolute;left:16px;top:16px;pointer-events:none}
.fuji3d-badge>span{display:block;font-size:9px;color:#cedbe3;letter-spacing:.05em}
.fuji3d-badge small{font-size:8px;color:#829ba9;display:block;margin-top:7px}
.fuji3d-actions{display:flex;position:absolute;right:13px;top:12px;gap:7px}
.fuji3d-actions button{font-size:9px;padding:9px 11px;background:#101a23b3;border:1px solid #a2bcc633;backdrop-filter:blur(8px);white-space:nowrap}
.fuji3d-actions button:hover,.fuji3d-actions button[aria-pressed=true]{background:#9ab0bc22;border-color:#d2c3a2aa;color:#f3dfbb}
.fuji3d-cut-control{position:absolute;left:16px;top:68px;padding:10px 12px;display:flex;align-items:center;gap:12px;font-size:9px;background:#0b151ed9;backdrop-filter:blur(10px);border-left:1px solid #cfb28b77}
.fuji3d-cut-control[hidden]{display:none}
.fuji3d-cut-control label{display:flex;align-items:center;gap:10px}
.fuji3d-cut-control input{width:110px;accent-color:#d0b48e;height:2px;cursor:ew-resize}
.fuji3d-cut-control output{color:#cbb08d;font-size:9px;min-width:45px}
.fuji3d-nav{position:absolute;left:13px;bottom:13px;display:flex;align-items:center;gap:4px;background:#0e1821b3;padding:4px;backdrop-filter:blur(10px)}
.fuji3d-nav button{min-width:29px;height:28px;font-size:15px;line-height:1}
.fuji3d-nav button[data-preset]{font-size:9px;padding:0 8px}
.fuji3d-nav button:hover{background:#ffffff15}
.fuji3d-nav>span{height:12px;width:1px;background:#ffffff25;margin:0 4px}
.fuji3d-pose{position:absolute;right:15px;bottom:20px;font:9px var(--museum-font-sans);color:#a7bdca;pointer-events:none}
.fuji3d-help{position:absolute;left:17px;bottom:53px;margin:0;font-size:8px;letter-spacing:.03em;color:#a0b6c3;pointer-events:none}
.fuji3d-compass{position:absolute;right:18px;top:66px;display:flex;flex-direction:column;gap:5px;align-items:center;pointer-events:none;color:#adc3d1;font-size:8px}
.fuji3d-compass i{font-size:24px;font-style:normal;display:block;line-height:1}
.fuji3d-layers{display:flex;gap:5px;flex-wrap:wrap;padding:11px 0 4px}
.fuji3d-layers button{display:flex;align-items:center;gap:6px;padding:6px 8px;font-size:9px;color:#aabecb;border:1px solid transparent;min-height:28px}
.fuji3d-layers i{display:inline-block;width:14px;height:5px;box-shadow:0 0 0 1px #ffffff12}
.fuji3d-layers button:hover{color:#fff}
.fuji3d-layers button[aria-pressed=true]{border-color:#c7ac8477;color:#f6e3c4;background:#bca17c0a}
.fuji3d-inspection{font-size:10px;color:#c0ccd4;line-height:1.7;margin:5px 0;min-height:34px;max-width:820px}
.fuji3d-source{font-size:8px;color:#8399a9;line-height:1.8;margin:5px 0 0}
.fuji3d-source summary{cursor:pointer}
.fuji3d-source p{max-width:850px}
.viewer-loading,.viewer-unavailable{min-height:340px;display:grid;place-content:center;color:#9fb5c4;font-size:12px;text-align:center;line-height:2;padding:30px}
@media(min-width:901px){.formation-shell[data-view=three] .formation-heading h2{font-size:22px}.formation-shell[data-view=three] .formation-stages button{padding-top:16px;padding-bottom:12px}.formation-shell[data-view=three] .formation-bottom{padding-top:12px}.formation-shell[data-view=three] .formation-reference img{width:90px;height:64px}.formation-shell[data-view=three] .formation-reference{gap:10px}}
@media(max-width:1100px) and (min-width:601px){.formation-shell[data-view=three] .formation-workspace{grid-template-columns:minmax(0,1fr) 220px;gap:20px}.fuji3d-actions{top:49px;left:13px;right:auto}.fuji3d-badge{top:13px}.fuji3d-cut-control{top:94px}.fuji3d-compass{top:97px}.fuji3d-pose{bottom:56px}}
@media(max-width:600px){.formation-shell[data-view=three] .formation-workspace{display:flex;gap:24px}.formation-shell[data-view=three] .formation-heading h2{font-size:21px}.formation-tabs{gap:25px}.fuji3d-viewport{height:350px}.fuji3d-badge{left:12px;top:12px}.fuji3d-badge>span{font-size:8px}.fuji3d-badge small{font-size:7px;margin-top:5px}.fuji3d-actions{left:10px;right:auto;top:48px;gap:5px}.fuji3d-actions button{font-size:8px;padding:8px 10px}.fuji3d-compass{right:13px;top:95px}.fuji3d-cut-control{left:10px;top:87px;font-size:8px;padding:8px}.fuji3d-cut-control input{width:85px}.fuji3d-cut-control output{font-size:8px;min-width:36px}.fuji3d-nav{left:10px;bottom:32px;gap:1px}.fuji3d-nav button{min-width:28px}.fuji3d-nav>span{margin:0 3px}.fuji3d-pose{left:13px;right:auto;bottom:12px;font-size:8px}.fuji3d-help{left:13px;bottom:76px;font-size:7px}.fuji3d-layers{gap:3px;padding:9px 0 4px}.fuji3d-layers button{font-size:8px;padding:5px;min-height:30px}.fuji3d-layers i{width:11px;height:4px}.fuji3d-inspection{font-size:9px;min-height:30px;line-height:1.8}.fuji3d-source{font-size:8px}.formation-shell[data-view=three] .formation-copy h3{font-size:20px}}