@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;600&family=Noto+Serif+JP:wght@400;700&display=swap";:root{--bg-sumi: #080b12;--bg-paper: #0b0f19;--line-ink: #f1f5f9;--line-cyan: #00f0ff;--line-red: #ff2a55;--line-amber: #ffb703;--line-dim: #334155;--line-faint: #1e293b;--font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;--font-serif: "Noto Serif JP", serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{background-color:var(--bg-sumi);color:var(--line-ink);font-family:var(--font-mono);scroll-behavior:smooth;user-select:none;-webkit-user-select:none}body{min-height:100vh;position:relative;overflow-x:hidden;background-color:var(--bg-sumi);cursor:crosshair}.pure-visual-root{position:relative;width:100vw;min-height:100vh;background-color:var(--bg-sumi)}.scroll-track{position:relative;width:100%;height:8800vh;pointer-events:none}.canvas-container{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;z-index:5;pointer-events:auto;background:radial-gradient(circle at 50% 50%,#10182773,#080b12fa),linear-gradient(rgba(0,240,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.02) 1px,transparent 1px);background-size:100% 100%,48px 48px,48px 48px;overflow:hidden;cursor:crosshair}.film-grain-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:6;pointer-events:none;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");mix-blend-mode:overlay}.registration-mark{position:fixed;width:20px;height:20px;z-index:10;pointer-events:none;opacity:.25}.registration-mark:before,.registration-mark:after{content:"";position:absolute;background:var(--line-cyan)}.registration-mark:before{top:9px;left:0;width:20px;height:1px}.registration-mark:after{top:0;left:9px;width:1px;height:20px}.reg-tl{top:max(20px,env(safe-area-inset-top,20px));left:max(20px,env(safe-area-inset-left,20px))}.reg-tr{top:max(20px,env(safe-area-inset-top,20px));right:max(20px,env(safe-area-inset-right,20px))}.reg-bl{bottom:max(20px,env(safe-area-inset-bottom,20px));left:max(20px,env(safe-area-inset-left,20px))}.reg-br{bottom:max(20px,env(safe-area-inset-bottom,20px));right:max(20px,env(safe-area-inset-right,20px))}.hud-container{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;padding:max(28px,env(safe-area-inset-top,28px)) max(36px,env(safe-area-inset-right,36px)) max(28px,env(safe-area-inset-bottom,28px)) max(36px,env(safe-area-inset-left,36px))}.hud-header{display:flex;justify-content:space-between;align-items:flex-start}.hud-title-block{display:flex;flex-direction:column;gap:6px}.hud-brand{font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--line-cyan);display:flex;align-items:center;gap:8px}.hud-brand .dot-live{width:6px;height:6px;background-color:var(--line-red);border-radius:50%;box-shadow:0 0 8px var(--line-red);animation:pulse-dot 1.2s infinite ease-in-out}@keyframes pulse-dot{0%,to{opacity:.4;transform:scale(.9)}50%{opacity:1;transform:scale(1.2)}}.hud-scene-title-row{display:flex;align-items:center;gap:12px}.hud-scene-title{font-size:13px;font-weight:600;letter-spacing:.15em;color:var(--line-ink);text-transform:uppercase}.chapter-nav-btns{display:flex;align-items:center;gap:4px;pointer-events:auto}.chapter-nav-btn{background:#080b12bf;border:1px solid rgba(0,240,255,.25);color:var(--line-cyan);padding:3px 8px;font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;cursor:pointer;border-radius:2px;display:flex;align-items:center;gap:4px;transition:all .2s cubic-bezier(.23,1,.32,1);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.chapter-nav-btn:hover:not(:disabled){border-color:var(--line-cyan);background:#00f0ff26;box-shadow:0 0 8px #00f0ff4d;transform:translateY(-1px)}.chapter-nav-btn:active:not(:disabled){transform:translateY(1px)}.chapter-nav-btn:disabled{opacity:.3;cursor:not-allowed;border-color:#ffffff1a}.hud-scene-japanese{font-family:var(--font-serif);font-size:16px;color:var(--line-red);letter-spacing:.1em}.hud-right-controls{display:flex;align-items:center;gap:16px;pointer-events:auto}.smoke-jutsu-btn{background:#080b12bf;border:1px solid rgba(255,42,85,.35);color:var(--line-red);padding:6px 12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;cursor:pointer;border-radius:2px;display:flex;align-items:center;gap:6px;transition:all .2s cubic-bezier(.23,1,.32,1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto}.smoke-jutsu-btn:hover{border-color:var(--line-red);background:#ff2a5526;box-shadow:0 0 10px #ff2a554d;transform:translateY(-1px)}.smoke-jutsu-btn:active{transform:translateY(1px)}.sound-toggle-btn{background:#080b12b3;border:1px solid rgba(0,240,255,.3);color:var(--line-cyan);padding:7px 14px;font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s cubic-bezier(.23,1,.32,1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.sound-toggle-btn:hover{border-color:var(--line-cyan);background:#00f0ff1f;transform:translateY(-1px)}.sound-toggle-btn:active{transform:translateY(1px)}.sound-bars{display:flex;align-items:flex-end;gap:2px;height:12px}.sound-bar{width:2px;height:100%;background-color:var(--line-cyan);transform-origin:bottom;animation:sound-bar-dance .7s infinite alternate ease-in-out}.sound-bar:nth-child(2){animation-delay:.2s;height:70%}.sound-bar:nth-child(3){animation-delay:.4s;height:85%}.sound-bar:nth-child(4){animation-delay:.1s;height:50%}@keyframes sound-bar-dance{0%{transform:scaleY(.2)}to{transform:scaleY(1)}}.sound-bars.muted .sound-bar{animation:none;transform:scaleY(.15);background-color:var(--line-dim)}.hud-controls-cue{font-size:10px;letter-spacing:.18em;color:#f1f5f966;text-transform:uppercase;pointer-events:none}.hud-footer{display:flex;flex-direction:column;gap:12px}.hud-meta-row{display:flex;justify-content:space-between;align-items:flex-end;font-size:11px;letter-spacing:.15em}.hud-frame-counter{display:flex;gap:16px;color:var(--line-cyan)}.hud-frame-counter span{color:var(--line-ink)}.hud-narrative-tag{color:var(--line-red);letter-spacing:.2em;text-transform:uppercase}.timeline-bar-wrapper{position:relative;width:100%;height:4px;background:#ffffff14;border-radius:2px;overflow:visible;pointer-events:auto}.timeline-progress-fill{position:absolute;top:0;left:0;height:100%;background:linear-gradient(90deg,var(--line-cyan),var(--line-red));border-radius:2px;box-shadow:0 0 10px var(--line-cyan);transition:width .08s linear}.timeline-ticks{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:space-between;pointer-events:auto}.timeline-tick{position:relative;width:3px;height:8px;transform:translateY(-2px);background:#ffffff40;border-radius:1px;cursor:pointer;transition:all .2s cubic-bezier(.23,1,.32,1)}.timeline-tick:after{content:"";position:absolute;top:-16px;bottom:-16px;left:-8px;right:-8px}.timeline-tick:hover{background:#fff;height:14px;transform:translateY(-5px);box-shadow:0 0 8px #fff}.timeline-tick.active{background:var(--line-cyan);height:12px;transform:translateY(-4px);box-shadow:0 0 8px var(--line-cyan)}.smoke-flash{position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle,rgba(0,240,255,.35) 0%,transparent 70%);z-index:15;pointer-events:none;opacity:0;transition:opacity .25s ease-out}.smoke-flash.active{opacity:1}.final-scene-cue{color:var(--line-red)!important;font-weight:600;text-shadow:0 0 10px rgba(255,42,85,.6);animation:pulse-final-cue 1.1s infinite alternate ease-in-out;cursor:pointer}@keyframes pulse-final-cue{0%{opacity:.6;transform:scale(.98)}to{opacity:1;transform:scale(1.02)}}@media(prefers-reduced-motion:reduce){*,:before,:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media(max-width:768px){.hud-container{padding:max(16px,env(safe-area-inset-top,16px)) max(16px,env(safe-area-inset-right,16px)) max(18px,env(safe-area-inset-bottom,18px)) max(16px,env(safe-area-inset-left,16px))}.hud-header{flex-direction:column;gap:10px;width:100%}.hud-title-block{width:100%;gap:4px}.hud-brand{font-size:9px;letter-spacing:.18em}.hud-scene-title-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;width:100%}.hud-scene-title{font-size:11px;letter-spacing:.1em;line-height:1.3;max-width:62%}.chapter-nav-btns{gap:6px}.chapter-nav-btn{padding:6px 9px;font-size:9px;letter-spacing:.08em;border-radius:3px}.hud-right-controls{width:100%;justify-content:space-between;align-items:center;gap:8px;padding-top:4px;border-top:1px solid rgba(0,240,255,.08)}.smoke-jutsu-btn{padding:6px 10px;font-size:10px;letter-spacing:.12em}.hud-scene-japanese{font-size:18px}.sound-toggle-btn{padding:6px 10px;font-size:10px;letter-spacing:.12em}.hud-footer{gap:10px}.hud-meta-row{flex-direction:column;align-items:flex-start;gap:5px;font-size:10px}.hud-frame-counter{gap:8px;font-size:10px}.hud-controls-cue{font-size:9px;letter-spacing:.12em;line-height:1.4}.hud-narrative-tag{font-size:9px;letter-spacing:.15em}.timeline-bar-wrapper{height:5px}.timeline-tick{height:9px}}