#kabuto20-opening{position:fixed;inset:0;z-index:20000;background:#000;color:#fff;display:grid;place-items:center;font-family:"Microsoft JhengHei",sans-serif;overflow:hidden}
#kabuto20-opening video{width:100%;height:100%;object-fit:contain;background:#000}
#kabuto20-opening h1{margin:0;max-width:94vw;font-size:clamp(22px,5.5vw,72px);font-weight:700;letter-spacing:.035em;white-space:nowrap;color:#fff;text-align:center}
#kabuto20-opening [hidden]{display:none}
#kabuto20-opening button{position:absolute;border:1px solid #ffffff60;border-radius:5px;background:#000a;color:#fff;padding:9px 16px;font:inherit;font-size:13px;cursor:pointer;min-height:40px}
#kabuto20-opening button:focus-visible{outline:2px solid #fff;outline-offset:3px}
#kabuto20-opening .kabuto20-skip{right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom))}
#kabuto20-opening .kabuto20-sound{left:max(12px,env(safe-area-inset-left));bottom:max(12px,env(safe-area-inset-bottom))}
#kabuto20-opening .kabuto20-play{position:absolute;inset:auto;left:50%;top:50%;transform:translate(-50%,-50%);font-size:18px;padding:14px 28px}
/* Source is the approved 1024×1536 full-body player portrait. Hair-to-chin
   measures ~0.158 of source height; 2.28× dialogue space matches Tendou's head. */
#story-root .story-portrait[data-character=player] .story-portrait-transform{height:calc(var(--dialogue-space) * 2.28);top:1%;width:auto;max-width:none;min-height:0;object-fit:contain}
#story-root.story-inner-voice :is(#story-portrait-left,#story-portrait-right){visibility:hidden}
#story-root #story-inner-portrait{--portrait-x:50%;pointer-events:none}
#story-root #story-inner-portrait[hidden]{display:none}
#world-root.world-story-scene :is(#world-portrait,#world-portrait-peer)[data-portrait=player_normal]{height:calc(var(--dialogue-space) * 2.28);top:1%;width:auto;max-width:none;min-height:0;object-fit:contain;transform:translateX(-50%);clip-path:none;filter:none;opacity:1}
#story-root:has(.story-bg-visible[data-asset=kabuto20_poster]) .story-portrait[data-character=player]{--portrait-x:24%}
#story-root :is(#story-background,#story-background-b)[data-asset=kabuto20_poster]{left:51%;right:5%;bottom:var(--dialogue-box-height);background-size:contain;background-repeat:no-repeat;background-position:center;background-color:#08080b}
#story-root:has(.story-bg-visible[data-asset=kabuto20_poster]){background:#08080b}
#story-root :is(#story-background,#story-background-b)[data-asset=truck_accident]{bottom:var(--dialogue-box-height);background-size:contain;background-repeat:no-repeat;background-color:#000}
@media(orientation:portrait) and (max-width:540px){
 #story-root .story-portrait[data-character=player] .story-portrait-transform{height:calc(var(--dialogue-space) * 1.8);top:5%}
 #world-root.world-story-scene :is(#world-portrait,#world-portrait-peer)[data-portrait=player_normal]{height:calc(var(--dialogue-space) * 1.8);top:5%}
 #story-root :is(#story-background,#story-background-b)[data-asset=kabuto20_poster]{left:49%;right:2%}
}