:root{--bg:#080a10;--paper:#f2eee6;--soft:rgba(242,238,230,.66);--faint:rgba(242,238,230,.42);--line:rgba(242,238,230,.25);--gold:#ffd479;--mint:#5eead4;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;--sans:"PingFang SC","Microsoft YaHei",sans-serif;--mono:"DM Mono","SFMono-Regular",Consolas,monospace}
*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--paper)}button,a{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}
.world-page{position:relative;isolation:isolate;width:100%;height:100dvh;min-height:320px;overflow:hidden;background:radial-gradient(ellipse 70% 58% at 50% 45%,#222128 0%,#0e1017 65%,#06070a 100%);font-family:var(--serif)}
.world-page__atmosphere{position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 2% 97%,rgba(150,63,30,.19),transparent 28%),radial-gradient(circle at 97% 0%,rgba(142,73,30,.2),transparent 27%),linear-gradient(90deg,rgba(0,0,0,.57),transparent 35%,transparent 70%,rgba(0,0,0,.43));box-shadow:inset 0 0 125px 30px rgba(0,0,0,.78)}
.topbar{position:absolute;z-index:5;top:max(12px,env(safe-area-inset-top));left:max(24px,env(safe-area-inset-left));right:max(24px,env(safe-area-inset-right));height:48px;display:flex;align-items:center;gap:12px}.back{display:grid;place-items:center;width:44px;height:44px;color:var(--paper);font:400 32px/1 var(--serif)}.page-title{display:flex;align-items:baseline;gap:12px}.page-title strong{font:600 20px/1.2 var(--serif);letter-spacing:.08em}.page-title small{color:var(--faint);font:500 10px/1.2 var(--mono);letter-spacing:.18em}.world-counter{margin-left:auto;color:var(--soft);font:600 10px/1.2 var(--mono);letter-spacing:.16em}
.world-stage{position:absolute;top:calc(max(12px,env(safe-area-inset-top)) + 60px);bottom:calc(max(16px,env(safe-area-inset-bottom)) + 88px);left:max(32px,env(safe-area-inset-left));right:max(32px,env(safe-area-inset-right));display:grid;grid-template-columns:clamp(148px,13vw,196px) minmax(0,1fr) clamp(148px,13vw,196px);gap:32px;align-items:stretch}.world-current,.chapter-area,.future-area{min-width:0;display:flex;flex-direction:column}.stage-label{height:34px;display:flex;align-items:center;gap:8px;white-space:nowrap;color:var(--gold);font:600 10px/1.2 var(--mono);letter-spacing:.14em}.stage-label__line{height:1px;min-width:8px;flex:1;background:rgba(255,212,121,.35)}.chapter-area .stage-label,.future-area .stage-label{color:var(--soft)}.chapter-area .stage-label__line,.future-area .stage-label__line{background:var(--line)}
.world-poster{position:relative;align-self:center;width:100%;aspect-ratio:5/8;max-height:calc(100% - 52px);overflow:hidden;border:1px solid rgba(255,212,121,.75);border-radius:3px;background:#15151c;box-shadow:0 18px 40px rgba(0,0,0,.48)}.world-poster__triptych{position:absolute;inset:0;display:flex}.world-poster__triptych img{display:block;width:33.333%;height:100%;object-fit:cover;filter:saturate(.9)}.world-poster__triptych img:nth-child(1){object-position:17% center}.world-poster__triptych img:nth-child(2){object-position:20% center}.world-poster__triptych img:nth-child(3){object-position:36% center}.world-poster::after{position:absolute;inset:0;content:"";pointer-events:none;background:linear-gradient(0deg,rgba(2,3,7,.94),transparent 42%),linear-gradient(90deg,rgba(0,0,0,.2),transparent 22%,transparent 78%,rgba(0,0,0,.2))}.world-poster__caption{position:absolute;z-index:2;left:12px;right:12px;bottom:12px;display:grid;gap:4px;text-align:center}.world-poster__caption strong{font:600 16px/1.4 var(--serif);white-space:nowrap}.world-poster__caption span{color:var(--mint);font:400 11px/1.5 var(--sans)}
.chapter-scroll-wrap,.future-scroll-wrap{position:relative;flex:1;min-height:0;display:flex;align-items:center}.chapter-scroll,.future-scroll{width:100%;height:100%;min-height:0;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;scroll-snap-type:x mandatory;touch-action:pan-x;cursor:grab}.chapter-scroll.is-dragging,.future-scroll.is-dragging{cursor:grabbing;scroll-snap-type:none}.chapter-scroll::-webkit-scrollbar,.future-scroll::-webkit-scrollbar{display:none}.chapter-track,.future-track{display:flex;align-items:center;gap:16px;width:max-content;min-width:100%;height:100%;padding:0 1px}.chapter-card,.future-card{display:flex;flex-direction:column;flex:none;min-width:0;scroll-snap-align:start;align-self:center;outline:0}.chapter-card{width:clamp(116px,10vw,156px)}.chapter-card__visual,.future-card__visual{position:relative;display:block;aspect-ratio:5/8;overflow:hidden;border:1px solid var(--line);border-radius:3px;background:#101219;box-shadow:0 16px 35px rgba(0,0,0,.42)}.chapter-card__visual img,.future-card__visual img{display:block;width:100%;height:100%;object-fit:cover}.chapter-card__visual::after,.future-card__visual::after{position:absolute;inset:0;content:"";pointer-events:none;background:linear-gradient(0deg,rgba(2,4,8,.44),transparent 34%)}.chapter-card__number,.future-card__number{position:absolute;z-index:2;left:8px;bottom:8px;color:#fff2d6;font:600 10px/1.2 var(--mono);letter-spacing:.08em;text-shadow:0 1px 4px #000}.chapter-card__title,.future-card__title{display:block;margin-top:8px;text-align:center;font:600 14px/1.4 var(--serif);white-space:nowrap}.chapter-card__status,.future-card__status{display:block;margin-top:4px;text-align:center;color:var(--soft);font:400 11px/1.5 var(--sans)}.chapter-card:hover .chapter-card__visual,.chapter-card:focus-visible .chapter-card__visual{border:2px solid var(--gold)}.chapter-card:focus-visible,.future-card:focus-visible,.scroll-arrow:focus-visible,.world-nav__item:focus-visible,.stories-dialog button:focus-visible,.back:focus-visible,.drag-scroll:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.scroll-arrow{position:absolute;z-index:3;top:50%;display:grid;place-items:center;width:44px;height:44px;padding:0;border:0;background:rgba(5,6,9,.68);color:var(--paper);font:400 30px/1 var(--serif);transform:translateY(-50%)}.scroll-arrow--left,#worldPrev{left:-22px}.scroll-arrow--right,#worldNext{right:-22px}.scroll-arrow:disabled{opacity:.25;cursor:default}.chapter-footnote,.future-footnote{min-height:18px;margin:0;color:var(--faint);font:400 11px/1.5 var(--sans);text-align:center}
.future-card{width:clamp(148px,13vw,196px);border:0;padding:0;background:none;color:var(--paper)}.future-card__visual{filter:saturate(.62) brightness(.7)}.future-card__visual::after{background:linear-gradient(0deg,rgba(2,4,8,.78),rgba(3,4,8,.2))}.future-card__lock{position:absolute;z-index:3;top:8px;right:8px;display:grid;place-items:center;width:24px;height:24px;color:var(--paper);font:600 16px/1 var(--sans)}.future-card:hover .future-card__visual,.future-card:focus-visible .future-card__visual{filter:saturate(.8) brightness(.86);border-color:var(--gold)}
.world-nav{position:absolute;z-index:5;left:50%;bottom:max(12px,env(safe-area-inset-bottom));display:flex;align-items:center;gap:8px;transform:translateX(-50%)}.world-nav__item{display:flex;align-items:center;justify-content:center;gap:8px;min-width:110px;height:48px;padding:0 16px;border:0;border-radius:6px;background:transparent;color:var(--soft);font:600 14px/1 var(--serif);white-space:nowrap}.world-nav__item:not(.is-current){cursor:pointer}.world-nav__item:hover{color:var(--paper)}.world-nav__item.is-current{color:var(--gold)}.world-nav__mark{font:400 21px/1 var(--sans)}
.stories-dialog{position:fixed;z-index:20;inset:0;display:none;place-items:center}.stories-dialog[aria-hidden="false"]{display:grid}.stories-dialog__scrim{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(2,3,6,.76);backdrop-filter:blur(6px)}.stories-dialog__panel{position:relative;width:min(620px,calc(100vw - 48px));max-height:calc(100dvh - 40px);overflow:auto;padding:24px;border:1px solid var(--line);background:#12151c;box-shadow:0 20px 70px #0008}.stories-dialog__close{position:absolute;top:8px;right:8px;width:44px;height:44px;border:0;background:none;color:var(--paper);font:400 30px/1 var(--serif)}.stories-dialog__panel>p:first-of-type{margin:0;color:var(--gold);font:600 10px/1.2 var(--mono);letter-spacing:.16em}.stories-dialog h2{margin:8px 0 20px;font:600 20px/1.2 var(--serif)}.story-groups{display:grid;gap:20px}.story-groups h3{margin:0 0 8px;color:var(--soft);font:600 14px/1.4 var(--serif)}.story-entries{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.story-entries span{display:grid;place-items:center;min-height:44px;padding:6px;border:1px solid var(--line);border-radius:4px;color:var(--paper);font:500 14px/1.4 var(--serif)}.stories-dialog__note{margin:20px 0 0;color:var(--faint);font:400 11px/1.5 var(--sans)}.orientation-tip{display:none}
@media(max-width:1000px),(max-height:560px){.topbar{top:max(4px,env(safe-area-inset-top));left:max(14px,env(safe-area-inset-left));right:max(14px,env(safe-area-inset-right));height:44px;gap:8px}.page-title strong{font-size:17px}.page-title small{display:none}.world-stage{top:calc(max(4px,env(safe-area-inset-top)) + 47px);bottom:calc(max(8px,env(safe-area-inset-bottom)) + 52px);left:max(14px,env(safe-area-inset-left));right:max(14px,env(safe-area-inset-right));grid-template-columns:clamp(94px,15vw,132px) minmax(0,1fr) clamp(94px,15vw,132px);gap:16px}.stage-label{height:22px;font-size:9px}.world-poster{max-height:calc(100% - 26px)}.world-poster__caption{left:4px;right:4px;bottom:5px}.world-poster__caption strong{font-size:15px}.world-poster__caption span{font-size:10px}.chapter-track,.future-track{gap:8px}.chapter-card{width:clamp(82px,13vw,112px)}.future-card{width:clamp(94px,15vw,132px)}.chapter-card__title,.future-card__title{margin-top:5px;font-size:13px}.chapter-card__status,.future-card__status{font-size:10px;margin-top:2px}.chapter-card__number,.future-card__number{font-size:9px}.chapter-footnote,.future-footnote{font-size:10px}.scroll-arrow{width:44px;height:44px;background:rgba(5,6,9,.42)}.scroll-arrow--left,#worldPrev{left:-13px}.scroll-arrow--right,#worldNext{right:-13px}.world-nav{bottom:max(4px,env(safe-area-inset-bottom));gap:4px}.world-nav__item{min-width:88px;height:44px;padding:0 8px;font-size:13px;gap:4px}.world-nav__mark{font-size:18px}.stories-dialog__panel{padding:16px}.stories-dialog h2{font-size:17px;margin:4px 0 12px}.story-groups{gap:10px}.story-groups h3{font-size:13px;margin-bottom:4px}.story-entries span{font-size:13px}.stories-dialog__note{margin-top:10px;font-size:10px}}
@media(max-width:760px) and (orientation:landscape){.world-nav__item{min-width:76px}.chapter-card{width:82px}.chapter-footnote{display:none}.world-stage{bottom:calc(max(8px,env(safe-area-inset-bottom)) + 48px)}}
@media(orientation:portrait){.orientation-tip{position:fixed;z-index:30;inset:0;display:grid;place-items:center;background:#080a10;font:600 17px/1.4 var(--serif)}.world-page,.stories-dialog{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
.future-card__lock::before{position:absolute;left:7px;top:3px;width:10px;height:9px;border:2px solid var(--paper);border-bottom:0;border-radius:6px 6px 0 0;content:""}.future-card__lock::after{position:absolute;left:5px;top:11px;width:14px;height:11px;border:2px solid var(--paper);border-radius:2px;background:rgba(7,8,12,.55);content:""}
.chapter-card.is-outside,.future-card.is-outside{visibility:hidden}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.world-current{justify-content:center}
.world-poster{max-height:100%}
.chapter-card__visual::after{background:linear-gradient(0deg,rgba(2,4,8,.9),transparent 38%)}
.chapter-card__label{position:absolute;z-index:2;left:8px;right:8px;bottom:8px;display:grid;gap:4px;text-align:left;text-shadow:0 1px 4px #000}
.chapter-card__label .chapter-card__number{position:static;display:block;color:#fff2d6;font:600 10px/1.2 var(--mono);letter-spacing:.08em}
.chapter-card__label .chapter-card__title{display:block;margin:0;color:#fff;font:600 14px/1.25 var(--serif);text-align:left;white-space:normal}
.world-nav{left:max(32px,env(safe-area-inset-left));transform:none}
@media(max-width:1000px),(max-height:560px){.world-poster{max-height:100%}.chapter-card__label{left:6px;right:6px;bottom:6px;gap:2px}.chapter-card__label .chapter-card__number{font-size:9px}.chapter-card__label .chapter-card__title{font-size:12px}.world-nav{left:max(14px,env(safe-area-inset-left))}}
@media(max-width:760px) and (orientation:landscape){.chapter-card__label .chapter-card__title{letter-spacing:-.05em;white-space:nowrap}}
.future-card__number{top:8px;bottom:auto}
.future-card__title{position:absolute;z-index:2;left:8px;right:8px;bottom:10px;display:block;margin:0;color:var(--paper);text-align:center;text-shadow:0 1px 5px #000}
@media(max-width:1000px),(max-height:560px){.future-card__number{top:6px}.future-card__title{left:4px;right:4px;bottom:6px;font-size:12px}}
.world-stage{bottom:calc(max(16px,env(safe-area-inset-bottom)) + 112px);grid-template-columns:clamp(222px,19.5vw,294px) minmax(0,1fr) clamp(222px,19.5vw,294px)}
.chapter-card{width:clamp(174px,15vw,234px)}
.future-card{width:clamp(222px,19.5vw,294px)}
.chapter-track{padding-right:50px}
.chapter-next{position:absolute;z-index:4;right:4px;top:50%;display:grid;place-items:center;width:44px;height:44px;transform:translateY(-50%);border:1px solid rgba(255,242,214,.42);border-radius:3px;background:rgba(7,8,12,.78);color:var(--paper);font:400 34px/1 var(--serif);cursor:pointer;box-shadow:0 4px 18px #0009}
.chapter-next:disabled{opacity:0;pointer-events:none}
.chapter-next:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.world-nav__item{flex-direction:column;gap:4px;min-width:118px;height:96px;padding:4px 10px;line-height:1.2}
.world-nav__mark{display:grid;place-items:center;width:76px;height:60px;font-size:40px}
.world-nav__item strong{font-size:14px}
@media(max-width:1000px),(max-height:560px){
  .world-stage{bottom:calc(max(4px,env(safe-area-inset-bottom)) + 84px);grid-template-columns:clamp(141px,22.5vw,198px) minmax(0,1fr) clamp(141px,22.5vw,198px)}
  .world-poster{width:min(100%,calc((100dvh - 139px)*.625));max-height:100%}
  .chapter-card{width:min(clamp(123px,19.5vw,168px),calc((100dvh - 139px)*.625))}
  .future-card{width:min(clamp(141px,22.5vw,198px),calc((100dvh - 139px)*.625))}
  .chapter-next{right:0}
  .world-nav__item{min-width:88px;height:72px;padding:2px 4px;gap:2px}
  .world-nav__mark{width:68px;height:50px;font-size:36px}
  .world-nav__item strong{font-size:12px}
}
.world-poster__image{display:block;width:100%;height:100%;object-fit:cover}
.chapter-next svg{display:block;width:20px;height:20px}
.world-nav__item{display:grid;grid-template-rows:64px 17px;justify-items:center;align-content:center;gap:4px;min-width:124px;height:96px;padding:4px 6px;text-align:center}
.world-nav__mark{display:block;justify-self:center;width:96px;height:64px;background-image:url('assets/world-nav-icons-V1.png?v=20260918-V10');background-repeat:no-repeat;background-size:192px 128px;font-size:0}
.world-nav__item:nth-child(1) .world-nav__mark{background-position:0 0}
.world-nav__item:nth-child(2) .world-nav__mark{background-position:-96px 0}
.world-nav__item:nth-child(3) .world-nav__mark{background-position:0 -64px}
.world-nav__item:nth-child(4) .world-nav__mark{background-position:-96px -64px}
.world-nav__item strong{display:block;justify-self:center;min-width:0;width:100%;font-size:14px;line-height:17px;text-align:center}
@media(max-width:1000px),(max-height:560px){
  .world-nav__item{grid-template-rows:56px 14px;min-width:92px;height:78px;padding:2px 4px;gap:2px}
  .world-nav__mark{width:84px;height:56px;background-size:168px 112px}
  .world-nav__item:nth-child(2) .world-nav__mark{background-position:-84px 0}
  .world-nav__item:nth-child(3) .world-nav__mark{background-position:0 -56px}
  .world-nav__item:nth-child(4) .world-nav__mark{background-position:-84px -56px}
  .world-nav__item strong{font-size:12px;line-height:14px}
}