/* DOC NIL / φ — a two-dimensional study in proportion. */
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#balance-slider{accent-color:var(--ratio-accent)}
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.logo-gallery-stage::after{content:'φ / FIBONACCI SEQUENCE · GOLDEN RATIO';position:absolute;bottom:12px;left:20px;right:20px;font:7px/1.7 var(--mono);letter-spacing:.14em;color:#c9b397;pointer-events:none;text-align:center}
.logo-stack-layer{background:#151c1d url('/assets/fibonacci-wallpaper.svg') center/cover}
.case-full-image,.case-mark-pair{background:#141819 url('/assets/fibonacci-wallpaper.svg') center/cover}
.case-full-image{padding-bottom:45px}
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 .golden-stage .world-poster strong{font-size:39px}
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 .logo-gallery-stage::after{font-size:5px;letter-spacing:.07em;bottom:10px}
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.golden-division-demo{width:100%}
@media(max-width:760px){
 .story-chapter{height:auto;min-height:1120px}
 .golden-stage .ratio-actor,.golden-stage .ratio-coordinate,.golden-stage .application-cloud{display:none}
 .mobile-ratio-plate{display:block;position:absolute;left:0;right:0;bottom:80px;width:100%;max-width:650px;margin:auto;pointer-events:none}
 .mobile-ratio-plate>img{width:100%;height:auto;display:block;padding:8px}
 .hero-chapter .mobile-ratio-plate{top:550px;bottom:auto}
 .golden-stage .golden-wallpaper{opacity:.16}
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@media(max-width:380px){.hero-chapter .mobile-ratio-plate{top:555px}}

.mobile-concept-label{padding:20px 24px;text-align:center;font:8px var(--mono);color:var(--gold);letter-spacing:.05em}.mobile-concept-label .concept-name{font:inherit}