/* Architecture, hierarchy and restrained motion */
header{position:sticky;top:0;z-index:30;background:#f9f7f2ed;backdrop-filter:blur(18px)}.reading-progress{position:fixed;top:0;left:0;height:3px;background:var(--gold);z-index:50;width:0}.hero{min-height:740px}.hero-art{background:#f0eee8;color:var(--navy);min-height:650px;border:1px solid #c8a67044;background-image:radial-gradient(ellipse at 50% 45%,#fff8,transparent 70%)}.blueprint{position:absolute;inset:0;background-image:linear-gradient(#0c1d2b09 1px,transparent 1px),linear-gradient(90deg,#0c1d2b09 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(transparent,#000 20%,#000 80%,transparent)}.core{width:min(80%,440px);padding:0;letter-spacing:0;z-index:2;line-height:0;animation:brand-arrive 1.4s ease both}.hero-logo{width:100%;height:auto;filter:drop-shadow(0 15px 18px #0c1d2b12)}.orbit{border-color:#b8955c38;width:510px;height:510px;animation:orbit-breathe 8s ease-in-out infinite}.o2{width:600px;height:600px;animation:orbit-turn 90s linear infinite;border-style:dashed}.axis{background:linear-gradient(transparent,#8d6a3c44,transparent);height:700px}.north{top:27px;left:28px;font-size:9px;letter-spacing:2px}.note{z-index:3;background:#fff;border:1px solid #c8a67044;box-shadow:0 8px 25px #0c1d2b0d;animation:float-note 6s ease-in-out infinite}.n1{top:20%;left:3%;transform:none}.n2{bottom:18%;right:4%;transform:none;animation-delay:-3s}.art-caption{z-index:3;color:#796039}.scan-line{position:absolute;top:0;bottom:0;width:90px;background:linear-gradient(90deg,transparent,#fff5,transparent);transform:skewX(-18deg);animation:scan 9s linear infinite;pointer-events:none}.hero-copy{animation:copy-arrive .9s ease both}.service-grid article{position:relative;transition:background .3s,transform .3s;overflow:hidden}.service-grid article:after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--gold);transition:width .4s}.service-grid article:hover{background:#f9f7f2;transform:translateY(-3px)}.service-grid article:hover:after{width:100%}.structure{padding-top:65px}.structure-board{border:1px solid #0c1d2b26;display:grid;grid-template-columns:1.15fr 1fr;background:#fff8}.system-map{padding:45px 35px;position:relative;display:flex;align-items:center;gap:55px;background-image:linear-gradient(#0c1d2b06 1px,transparent 1px),linear-gradient(90deg,#0c1d2b06 1px,transparent 1px);background-size:23px 23px;overflow:hidden}.map-hub{width:96px;height:96px;border:1px solid var(--gold);background:var(--navy);color:var(--gold);display:flex;align-items:center;justify-content:center;flex-direction:column;flex-shrink:0;z-index:2}.map-hub>span{font:48px Georgia,serif;line-height:1}.map-hub small{font-size:8px;letter-spacing:2px;margin-top:8px}.map-nodes{display:grid;gap:14px;flex:1;z-index:2}.map-node{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid #0c1d2b20;background:#f9f7f2;color:var(--navy);padding:16px 20px;font:500 15px 'DM Sans',Arial,sans-serif;cursor:pointer;position:relative;transition:background .25s,color .25s,transform .25s}.map-node:before{content:'';position:absolute;right:100%;width:29px;height:1px;top:50%;background:#b8955c99}.map-node span{font-size:10px;color:#8d6a3c}.map-node i{font-style:normal;font-size:20px}.map-node.active{background:var(--navy);color:var(--cream);border-color:var(--navy);transform:translateX(4px)}.map-node.active span{color:var(--gold)}.map-node:hover{border-color:var(--gold)}.map-spine{position:absolute;left:157px;top:76px;bottom:76px;width:1px;background:var(--gold)}.map-spine:after{content:'';position:absolute;top:50%;left:-26px;width:27px;height:1px;background:var(--gold)}.system-detail{padding:45px;border-left:1px solid #0c1d2b20;display:flex;flex-direction:column;justify-content:center}.detail-label{font-size:9px;letter-spacing:1.7px;color:#796039}.system-detail h3{font-family:'Libre Caslon Display',Georgia,serif;font-size:43px;line-height:1.1;margin-top:22px}.system-detail>p{color:var(--muted);font-size:15px;min-height:96px}.detail-flow{display:flex;align-items:center;gap:15px;padding:18px 0 25px;margin-bottom:12px;border-top:1px solid #0c1d2b15;font-size:12px}.detail-flow b{color:#8d6a3c;font-size:22px}.detail-swap{animation:detail-in .35s ease}.reveal-ready{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal-ready.in-view{opacity:1;transform:translateY(0)}.insight-grid article{transition:transform .3s,border-color .3s}.insight-grid article:hover{transform:translateY(-6px);border-color:var(--gold)}.steps article{transition:transform .3s}.steps article:hover{transform:translateY(-4px)}@keyframes float-note{0%,100%{translate:0 0}50%{translate:0 -9px}}@keyframes orbit-breathe{0%,100%{scale:1;opacity:.6}50%{scale:1.025;opacity:1}}@keyframes orbit-turn{to{rotate:360deg}}@keyframes scan{from{left:-35%}to{left:140%}}@keyframes brand-arrive{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}@keyframes copy-arrive{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes detail-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1050px){.system-map{gap:35px;padding:35px 25px}.map-hub{width:75px;height:85px}.map-spine{left:116px;top:66px;bottom:66px}.map-node{padding:15px 12px;gap:10px}.map-node:before{width:17px}.system-detail{padding:30px}.hero-art{min-height:610px}}@media(max-width:850px){.hero{min-height:0}.hero-art{min-height:480px}.core{width:350px;max-width:73%}.structure-board{grid-template-columns:1fr}.system-detail{border-left:0;border-top:1px solid #0c1d2b20}.system-map{gap:70px;padding:35px}.map-spine{left:145px;top:66px;bottom:66px}.map-node:before{width:36px}.map-hub{width:75px}.system-detail>p{min-height:0}.north{font-size:8px}.structure{padding-top:35px}header{position:sticky}}@media(max-width:520px){.hero-art{min-height:395px}.core{width:290px}.note{font-size:12px;padding:11px 14px}.north{top:19px;left:18px}.n1{top:18%}.n2{bottom:16%}.art-caption{font-size:8px;left:18px;bottom:13px}.hero-art .o1{width:340px;height:340px}.hero-art .o2{width:440px;height:440px}.system-map{padding:25px 18px;gap:32px}.map-spine{left:104px;top:54px;bottom:54px}.map-node:before{width:16px}.map-node{padding:14px 10px;font-size:13px}.map-hub{width:70px;height:78px}.map-hub>span{font-size:38px}.system-detail{padding:28px}.system-detail h3{font-size:36px}.structure .section-head h2{font-size:42px}header{min-height:0}html{scroll-padding-top:135px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}.reveal-ready{opacity:1;transform:none}}

/* Approved brand mark: use the original circular identity at readable size. */
header{min-height:146px;padding-top:10px;padding-bottom:10px}.brand{width:132px;height:124px;flex-shrink:0}.brand img{width:100%;height:100%;object-fit:contain}html{scroll-padding-top:165px}@media(max-width:850px){header{min-height:0;padding-top:8px;padding-bottom:8px}.brand{width:108px;height:102px}header nav{padding-top:6px}html{scroll-padding-top:170px}}@media(max-width:520px){.brand{width:104px;height:98px}header{gap:5px}header nav{padding-top:5px;font-size:12px}html{scroll-padding-top:170px}}

#motion-toggle{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid #0c1d2b30;color:var(--navy);padding:8px 12px;font:500 11px "DM Sans",Arial,sans-serif;cursor:pointer;margin-top:12px}#motion-toggle:before{content:"Ⅱ";font-weight:700}#motion-toggle[aria-pressed=true]:before{content:"▶"}#motion-toggle:disabled{cursor:default;color:var(--muted)}html.motion-paused{scroll-behavior:auto}.motion-paused *,.motion-paused *:before,.motion-paused *:after{animation-play-state:paused!important;transition:none!important;scroll-behavior:auto!important}.motion-paused .reveal-ready{opacity:1!important;transform:none!important}

/* Respect device accessibility preference without displaying an inactive control. */
#motion-toggle:disabled{display:none}