:root{color-scheme:light;--ink:#20352d;--soft-ink:#34473b;--green:#4a6651;--paper:#faf7e9;--lane-left:max(5vw,calc((100vw - 1420px)/2));--lane-width:min(720px,64vw);font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0;isolation:isolate}button,input,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;border:1px solid #566b5138;border-radius:999px;background:#fffdf2b8;padding:10px 15px;min-height:42px}button:hover{background:#fffdf2}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #9b712a;outline-offset:5px}a{color:inherit;text-underline-offset:4px}button[aria-pressed=true]{background:#405b46;color:#fffef7}button[hidden]{display:none!important}
.skip-link{position:fixed;top:0;left:10px;transform:translateY(-150%);z-index:20;background:white;padding:12px}.skip-link:focus{transform:none}
.canvas{position:fixed;inset:0;z-index:-3;pointer-events:none;overflow:hidden;background:radial-gradient(ellipse at 82% 24%,#e7edc8,transparent 65%),linear-gradient(140deg,#f9f5e7,#f3efdc)}
.canvas-scene{position:absolute;inset:0;opacity:0;transition:opacity .85s ease;overflow:hidden}.canvas-scene.active{opacity:1}.canvas-scene img,.canvas-scene video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:58% center;filter:brightness(1.08) saturate(.88)}.canvas-scene video{opacity:0}.canvas-scene video.playing{opacity:1}.canvas-scene.drift img{animation:drift 28s ease-in-out infinite alternate;animation-play-state:paused;transform-origin:65% 40%}.motion-on .canvas-scene.active.drift img{animation-play-state:running}.tone{position:absolute;inset:0;background:rgba(255,251,227,.12)}
@keyframes drift{from{transform:scale(1.025) translateX(-.3%)}to{transform:scale(1.055) translateX(.3%)}}
.membrane{position:fixed;z-index:-2;top:0;bottom:0;left:calc(var(--lane-left) - 70px);width:calc(var(--lane-width) + 140px);pointer-events:none;background:linear-gradient(90deg,transparent,rgba(255,253,242,.67) 9%,rgba(255,253,242,.67) 86%,transparent);transition:opacity .5s}
.topbar{position:relative;z-index:10;min-height:100px;padding:20px 5vw;display:flex;align-items:center;gap:28px;background:linear-gradient(#fffdf3d9,#fffdf365,transparent)}.wordmark{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:.06em}.wordmark small{display:block;font-size:10px;font-weight:400;letter-spacing:.03em;margin-top:5px}.seal{font-family:serif;font-size:25px;width:38px;height:43px;display:grid;place-items:center;background:#536e56;color:#fff9dd;border-radius:15px 15px 3px 3px}.chapter-nav{display:flex;gap:8px;margin-left:auto}.chapter-nav button{background:transparent;border-color:transparent;padding:7px 14px}.chapter-nav [aria-current=page]{border-color:#50674b66;background:#fffdf18c}.settings{position:relative}.settings summary{cursor:pointer;font-size:12px;list-style:none;padding:13px 18px;background:#fffdf2ad;border-radius:30px;min-height:42px}.settings summary::after{content:' ＋';font-size:14px}.settings[open] summary::after{content:' −'}.controls{position:absolute;right:0;top:50px;width:315px;display:flex;flex-wrap:wrap;gap:9px;padding:18px;background:#fffdf4f5;border:1px solid #dae0ca;border-radius:16px;box-shadow:0 10px 35px #25462a18;font-size:12px}.volume{display:flex;align-items:center;gap:8px;padding:5px}.volume input{width:105px;accent-color:var(--green)}#audio-feedback{width:100%;font-size:11px;line-height:1.7;color:var(--green)}
main{margin-left:var(--lane-left);width:var(--lane-width);padding:0 32px}.opening{padding:7svh 0 4svh;min-height:52svh}.eyebrow{font-size:11px;color:var(--green);letter-spacing:.25em;margin:0 0 24px}h1{font-family:"Batang","AppleMyungjo",serif;font-size:clamp(36px,4.5vw,60px);font-weight:500;line-height:1.35;letter-spacing:-.055em;margin:0}h1 span{color:var(--green)}.opening-rule{display:flex;justify-content:space-between;gap:15px;font-size:11px;margin-top:32px;padding-top:15px;border-top:1px solid #697d4630}.reading-hint{font-size:11px;margin-top:34px;letter-spacing:.07em}
.chunk{position:relative;min-height:34svh;padding:5svh 0;display:flex;flex-direction:column;justify-content:center;opacity:1;transform:none;transition:opacity .42s ease,transform .42s ease;scroll-margin-top:20svh}.enhanced .chunk:not(.seen){opacity:0;transform:translateY(18px)}.chunk.past{opacity:.96}.chunk:focus-within{opacity:1!important;transform:none!important}.paragraph{font-family:"Batang","AppleMyungjo",serif;font-size:clamp(18px,1.48vw,21px);line-height:2.04;letter-spacing:.006em;word-break:keep-all;overflow-wrap:break-word;margin:0;text-shadow:0 1px 8px #fffcf04a}.paragraph.dialogue{line-height:1.9}.chunk.emphasis{min-height:30svh}.chunk.emphasis .paragraph{font-size:clamp(24px,2.3vw,32px);line-height:1.7}.chunk.effect{min-height:47svh;align-items:center}.chunk.effect .paragraph{font-size:clamp(29px,3.4vw,44px);letter-spacing:.07em;line-height:1.55}.boundary{height:0;width:0;overflow:hidden;pointer-events:none}.cue{align-self:flex-start;margin-top:22px;padding:6px 10px;min-height:36px;font-size:10px;background:#fffdf252;border:0;color:#405839}
.insert{position:relative;margin:5svh -8px 8svh}.insert-stage{aspect-ratio:16/9;position:relative;overflow:hidden;border-radius:2px;background:#eeeeda}.insert-stage img,.insert-stage video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.insert-stage video{opacity:0}.insert-stage video.playing{opacity:1}.insert figcaption{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:12px;font-size:11px;line-height:1.6}.insert button{font-size:11px;background:#fffdf3bf;padding:8px 15px}.insert.missing .insert-stage{display:none}.insert.missing button{display:none}.ending{padding:12svh 0 10svh;text-align:center}.ending>span{color:#8a743a;font-size:23px}.ending p{font-family:serif;font-size:15px;line-height:1.8;margin:24px 0}.ending button{background:#405b46;color:#fffef5;border:0;padding:16px 30px}footer{font-size:10px;line-height:1.9;padding:22px 0 60px;border-top:1px solid #53674926}.chunk-nav{position:fixed;z-index:5;right:22px;bottom:24px;display:flex;align-items:center;gap:8px;padding:5px 7px;background:#fffdf1c7;border-radius:30px;font-size:10px}.chunk-nav button{padding:5px;width:36px;min-height:36px;background:transparent;border:0;font-size:18px}.canvas-control{position:fixed;right:25px;bottom:83px;z-index:5}.canvas-control button{font-size:11px}.reader-only .canvas-scene{opacity:0!important}.reader-only .tone{background:var(--paper)}.reader-only .membrane{background:var(--paper)}.reader-only .insert,.reader-only .cue{display:none}.reader-only .chunk{opacity:1!important;transform:none!important;min-height:0;padding:0;margin:0 0 30px}.reader-only .opening{min-height:0;margin-bottom:50px}.reader-only .chunk.effect{align-items:flex-start}.reader-only .chunk .paragraph{font-size:20px;line-height:2}.reader-only .chunk-nav{display:none}.no-script{margin:30px;font-size:18px}
@media(min-width:1800px){:root{--lane-width:740px}}
@media(max-width:760px){:root{--lane-left:0px;--lane-width:100%}.topbar{padding:17px 20px;min-height:85px;gap:9px;flex-wrap:wrap}.wordmark{font-size:15px;gap:8px}.wordmark small{font-size:8px}.seal{width:30px;height:34px;font-size:21px}.chapter-nav{gap:1px}.chapter-nav button{font-size:12px;padding:7px 10px}.settings summary{font-size:10px;padding:13px 10px}.controls{width:min(315px,calc(100vw - 30px));right:-5px}.membrane{left:0;width:100%;background:linear-gradient(90deg,#fffdf28c,rgba(255,253,242,.7) 6%,rgba(255,253,242,.7) 94%,#fffdf28c)}main{padding:0 27px}.opening{padding-top:6svh;min-height:49svh}h1{font-size:39px}.opening-rule{font-size:10px}.canvas-scene img,.canvas-scene video{object-position:60% center}.chunk{min-height:32svh;padding:5svh 0}.paragraph{font-size:18px;line-height:1.98}.chunk.emphasis .paragraph{font-size:25px}.chunk.effect .paragraph{font-size:32px}.insert{margin-left:-8px;margin-right:-8px}.insert figcaption{font-size:10px}.chunk-nav{right:15px;bottom:15px}.canvas-control{right:15px;bottom:70px}footer{padding-bottom:90px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.enhanced .chunk:not(.seen){opacity:1;transform:none}.chunk.past{opacity:1}}
.reader-only .chunk{transition:none}
.motion-off .chunk{transition:none;opacity:1!important;transform:none!important}.motion-off .canvas-scene{transition:none}
@media(min-width:761px){.canvas-scene img,.canvas-scene video{object-position:25% center}}
/* V2.1: support belongs to each paragraph, never a full-height text panel. */
.chunk{transition:opacity .546s ease,transform .546s ease;padding-left:18px;padding-right:18px;margin-left:-18px;margin-right:-18px;isolation:isolate}
.chunk[data-text-treatment=membrane]::before{content:'';position:absolute;z-index:-1;inset:2svh -14px;background:linear-gradient(90deg,transparent,#fffdf2c7 6%,#fffdf2c7 94%,transparent);border-radius:3px;pointer-events:none}
.chunk[data-text-treatment=halo] .paragraph{-webkit-text-stroke:2.6px rgba(255,253,242,.96);paint-order:stroke fill;text-shadow:0 1px 5px #fffdf2,0 0 12px #fffdf2b3}
.chunk[data-text-treatment=none] .paragraph{text-shadow:none;-webkit-text-stroke:0}
.opening{position:relative}.opening::before{content:'';position:absolute;inset:0 -25px;z-index:-1;background:linear-gradient(90deg,#fffdf2b3,#fffdf26b,transparent)}
.reading-entry{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin:30px 0}.reading-entry button{background:#405b46;color:#fffef5;border:0;padding:15px 28px;font-size:16px}.reading-entry label{font-size:13px;display:flex;align-items:center;gap:7px;cursor:pointer}.reading-entry input{width:20px;height:20px;accent-color:var(--green)}
.atmosphere{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;mix-blend-mode:screen}.reader-only .atmosphere{display:none}.reader-only .chunk::before{display:none}.reader-only .chunk .paragraph{-webkit-text-stroke:0;text-shadow:none}
@media(prefers-reduced-motion:reduce){.chunk{transition:none!important}}
@media(max-width:760px){.canvas-scene.story-cut{background:#ddd2b7}.canvas-scene.story-cut::before{content:'';position:absolute;inset:-30px;background-image:var(--scene-poster);background-size:cover;background-position:center;filter:blur(24px);opacity:.45}.canvas-scene.story-cut img{object-fit:contain;object-position:center 15%;filter:brightness(1.08);animation:none}}

/* v2.2 independently callable subject protection */
/* Optional mobile subject protection. No paragraph/scroll geometry changes. */
@media(max-width:760px){
  /* 27px main inset - 18px chunk outset = 9px remaining viewport margin. */
  .chunk[data-text-treatment=membrane]::before{left:-9px;right:-9px}
  .chunk{scroll-margin-top:calc(36svh + 16px)}
  body[data-mobile-band-ready] .canvas-scene.story-cut>img{visibility:hidden}
  .mobile-protected-band{position:fixed;inset:0 0 auto;height:36svh;z-index:2;
    pointer-events:none;overflow:hidden;opacity:0;transition:opacity .85s ease;
    background:#ddd2b7;mask-image:linear-gradient(#000 calc(100% - 18px),transparent)}
  .mobile-protected-band.show{opacity:1}
  .mobile-protected-band .subject-scene{position:absolute;inset:0;overflow:hidden;
    opacity:0;transition:opacity .85s ease;background:#ddd2b7}
  .mobile-protected-band .subject-scene.active{opacity:1}
  .mobile-protected-band .subject-scene::before{content:'';position:absolute;inset:-30px;
    background-image:var(--scene-poster);background-position:center;background-size:cover;
    filter:blur(24px);opacity:.45}
  .mobile-protected-band img{position:absolute;left:var(--subject-left);top:var(--subject-top);
    width:var(--subject-width);height:var(--subject-height);max-width:none;
    object-fit:fill;filter:brightness(1.08);
    mask-image:linear-gradient(transparent,#000 12%,#000 88%,transparent)}
  .reader-only .mobile-protected-band{display:none}
}
@media(min-width:761px){
  :root{--lane-left:4vw;--lane-width:max(320px,min(34vw,520px))}
  body[data-mobile-band-ready] .canvas-scene.story-cut>img{visibility:hidden}
  .mobile-protected-band{position:fixed;right:0;top:0;height:100svh;width:calc(100vw - var(--lane-left) - var(--lane-width) - 24px);z-index:2;pointer-events:none;overflow:hidden;opacity:0;transition:opacity .85s ease;background:#ddd2b7;mask-image:linear-gradient(90deg,transparent,#000 30px)}
  .mobile-protected-band.show{opacity:1}
  .mobile-protected-band .subject-scene{position:absolute;inset:0;overflow:hidden;opacity:0;transition:opacity .85s ease;background:#ddd2b7}
  .mobile-protected-band .subject-scene.active{opacity:1}
  .mobile-protected-band .subject-scene::before{content:'';position:absolute;inset:-30px;background-image:var(--scene-poster);background-position:center;background-size:cover;filter:blur(24px);opacity:.45}
  .mobile-protected-band img{position:absolute;left:var(--subject-left);top:var(--subject-top);width:var(--subject-width);height:var(--subject-height);max-width:none;object-fit:fill;filter:brightness(1.08);mask-image:linear-gradient(transparent,#000 12%,#000 88%,transparent)}
  .reader-only .mobile-protected-band{display:none}
}
@media(prefers-reduced-motion:reduce){.mobile-protected-band,.mobile-protected-band .subject-scene{transition:none!important}}
.motion-off .mobile-protected-band,.motion-off .mobile-protected-band .subject-scene{transition:none}