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:root{--bg:#060b1b;--bg-panel:#0d1428;--bg-card:#111a30;--border:#23305a;--text:#f5f8ff;--text-dim:#8e9bbd;--primary:#00d9ff;--secondary:#ff3ca6;--accent:#ffbd45;--success:#66ffb2;--danger:#ff4d6d;--led-yellow:#ffd400;--led-cyan:#00d9ff;--glass:#0d152e9e;--glass-strong:#090f22d6;--glass-border:#8cb4ff38;--font-hud:var(--font-display), "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;--font-mono:"SF Mono", ui-monospace, "Menlo", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Apple SD Gothic Neo,sans-serif}button{cursor:pointer;border:none;font-family:inherit}button:focus-visible,a:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.app-main{flex-direction:column;min-height:100dvh;display:flex;position:relative}.glass-panel{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(14px)saturate(1.2);border-radius:18px;box-shadow:0 18px 50px #00000059,inset 0 1px #ffffff0f}.neon-backdrop{z-index:0;pointer-events:none;background:radial-gradient(120% 60% at 50% 100%,#3a1458 0%,#170d3a 38%,#0000 72%),linear-gradient(#03050f 0%,#0b1236 60%,#1b0f3a 100%);position:fixed;inset:0;overflow:hidden}.neon-skyline{opacity:.85;width:100%;height:52%;position:absolute;bottom:0;left:0;right:0}.neon-canvas-host{position:absolute;inset:0}.neon-canvas{opacity:0;width:100%;height:100%;transition:opacity 1s;display:block}.neon-canvas-host[data-ready] .neon-canvas{opacity:1}.neon-backdrop-shade{background:radial-gradient(at 50% 45%,#0000 55%,#0306108c 100%);transition:background .6s;position:absolute;inset:0}.neon-backdrop[data-mode=start] .neon-backdrop-shade{background:linear-gradient(90deg,#060b1bc7 0%,#060b1b59 42%,#0000 68%),radial-gradient(at 50% 45%,#0000 55%,#03061080 100%)}.game-header{background:linear-gradient(#060b1be0,#060b1b66 80%,#0000);justify-content:space-between;align-items:center;padding:12px 22px;display:flex}.line-title{align-items:center;gap:10px;display:flex}.line-badge{color:#fff;letter-spacing:.02em;border-radius:8px;justify-content:center;align-items:center;min-width:30px;height:30px;padding:0 6px;font-size:14px;font-weight:800;display:inline-flex;box-shadow:0 0 0 2px #ffffffd9}.line-badge-lg{border-radius:50%;min-width:40px;height:40px;font-size:17px}.line-name{text-shadow:0 0 14px #0009;font-size:18px;font-weight:800}.line-direction{color:#cfdaf5;border:1px solid var(--glass-border);background:var(--glass);border-radius:999px;padding:3px 10px;font-size:12px}.game-header-right{align-items:center;gap:14px;display:flex}.progress-count{font-family:var(--font-hud);color:var(--text-dim);font-variant-numeric:tabular-nums;font-size:15px}.progress-count small{color:var(--text);margin-left:6px;font-weight:700}.game-timer{font-family:var(--font-hud);letter-spacing:.04em;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700}.game-quit-button{border:1px solid var(--glass-border);background:var(--glass);color:#cfdaf5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:10px;padding:7px 14px;font-size:13px;font-weight:700;transition:border-color .15s,color .15s,box-shadow .15s}.game-quit-button:hover{border-color:var(--danger);color:#ffb3c1;box-shadow:0 0 14px #ff4d6d59}.game-sound-button:hover{border-color:var(--primary);color:var(--text);box-shadow:0 0 14px #00d9ff4d}.game-sound-off{color:var(--text-dim)}.game-screen{z-index:1;flex-direction:column;flex:1;height:100dvh;min-height:0;display:flex;position:relative;overflow:hidden}.game-hud-top{grid-template-columns:minmax(0,1fr) minmax(0,2fr) minmax(0,1fr);gap:16px;padding:12px 22px 16px;display:grid;position:relative}.game-hud-top 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transparent), 0 0 20px var(--line);background:#fff;margin:-2px 0;animation:1.4s ease-in-out infinite node-pulse}@keyframes node-pulse{50%{box-shadow:0 0 0 8px color-mix(in srgb, var(--line) 10%, transparent), 0 0 26px var(--line)}}.strip-name{text-overflow:ellipsis;white-space:nowrap;color:#dfe7fb;max-width:100%;font-size:15px;font-weight:800;overflow:hidden}.strip-stop-current .strip-name{color:#fff;text-shadow:0 0 12px var(--line);font-size:18px}.strip-en{text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-family:var(--font-hud);letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);font-size:10px;overflow:hidden}.game-stage{flex:1;min-height:0;position:relative}.hud-stats{z-index:2;gap:8px;width:210px;display:grid;position:absolute;top:6px;right:18px}.hud-stat{background:var(--glass);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);border-radius:12px;grid-template-columns:auto 1fr;align-items:center;gap:2px 10px;padding:8px 14px;display:grid}.hud-stat dt{font-family:var(--font-hud);letter-spacing:.16em;color:var(--text-dim);font-size:11px;font-weight:700}.hud-stat dd{justify-self:end;align-items:baseline;gap:4px;display:flex}.hud-stat .game-timer{font-size:24px}.hud-value{font-family:var(--font-hud);font-variant-numeric:tabular-nums;font-size:24px;font-weight:700}.hud-unit{color:var(--text-dim);font-size:11px}.hud-meter{background:#ffffff1a;border-radius:999px;grid-column:1/-1;height:4px;margin-top:4px;overflow:hidden}.hud-meter span{border-radius:inherit;background:linear-gradient(90deg, #2bd47f, var(--success));height:100%;box-shadow:0 0 10px var(--success);transition:width .3s;display:block}.hud-meter-accuracy span{background:linear-gradient(90deg, #0098ff, var(--primary));box-shadow:0 0 10px var(--primary)}.hud-combo .hud-value{color:#ff8fcf;font-size:32px;font-style:italic;line-height:1}.hud-combo-hot{border-color:#ff3ca6b3;box-shadow:0 0 22px #ff3ca666,inset 0 0 18px #ff3ca61f}.hud-combo-hot 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cubic-bezier(.3,.9,.35,1)}.train-halo{opacity:.35}.map-center-title{fill:var(--text);opacity:.5;font-size:34px;font-weight:800}.map-center-sub{fill:var(--text-dim);font-size:15px}.progress-bar{background:#ffffff1a;border-radius:999px;height:3px;overflow:hidden}.progress-fill{height:100%;box-shadow:0 0 12px var(--line);border-radius:999px;transition:width .4s}.fx-layer{z-index:1;pointer-events:none;position:absolute;inset:0;overflow:hidden}.fx-arrival{opacity:0;background:linear-gradient(#301a06b8,#100a20b8);border:1.5px solid #ffbd45cc;border-radius:16px;flex-direction:column;align-items:center;gap:2px;padding:10px 46px 14px;animation:1.1s cubic-bezier(.2,.8,.2,1) forwards arrival-in;display:flex;position:absolute;top:16%;left:50%;box-shadow:0 0 30px #ffbd4573,inset 0 0 22px #ffbd4529}.fx-arrival-label{font-family:var(--font-hud);letter-spacing:.4em;color:var(--accent);font-size:12px;font-weight:700}.fx-arrival-name{letter-spacing:.14em;color:#fff;text-shadow:0 0 18px #ffbd45bf;font-size:40px;font-weight:900}.fx-arrival-en{font-family:var(--font-hud);letter-spacing:.22em;color:#ffe2a6;font-size:14px}@keyframes arrival-in{0%{opacity:0;transform:translate(-50%,14px)scale(.9)}16%{opacity:1;transform:translate(-50%)scale(1)}70%{opacity:1;transform:translate(-50%)scale(1)}to{opacity:0;transform:translate(-50%,-12px)scale(1.03)}}.fx-perfect,.fx-combo strong,.clear-title,.new-record{font-family:var(--font-hud);font-style:italic;font-weight:700}.fx-perfect{letter-spacing:.04em;color:#0000;background:linear-gradient(90deg, #b8f8ff, var(--primary) 50%, #c7a6ff);filter:drop-shadow(0 0 2px #000a28e6)drop-shadow(0 0 14px #00d9ffd9);opacity:0;-webkit-background-clip:text;background-clip:text;font-size:clamp(34px,5vw,58px);animation:.75s ease-out forwards fx-pop;position:absolute;top:calc(16% + 132px);left:50%}@keyframes fx-pop{0%{opacity:0;transform:translate(-50%,8px)skew(-10deg)scale(.7)}20%{opacity:1;transform:translate(-50%)skew(-10deg)scale(1.08)}60%{opacity:1;transform:translate(-50%)skew(-10deg)scale(1)}to{opacity:0;transform:translate(-50%,-14px)skew(-10deg)scale(1)}}.fx-combo{opacity:0;flex-direction:column;align-items:flex-end;line-height:.9;animation:.9s cubic-bezier(.2,.9,.3,1) forwards combo-burst;display:flex;position:absolute;top:44%;right:max(260px,22%)}.fx-combo span{font-family:var(--font-hud);letter-spacing:.12em;color:#ffd1ec;text-shadow:0 0 12px var(--secondary);font-size:22px;font-style:italic;font-weight:700}.fx-combo strong{color:#fff;text-shadow:0 0 14px var(--secondary), 0 0 34px var(--secondary), 4px 4px 0 #780046b3;font-size:clamp(56px,7vw,92px)}.fx-combo:before{content:"";background:linear-gradient(90deg, transparent, var(--secondary));filter:blur(.5px);width:220px;height:3px;position:absolute;top:50%;right:40%;box-shadow:0 -18px #ff3ca699,0 16px #ff3ca666}@keyframes combo-burst{0%{opacity:0;transform:translate(40px)skew(-10deg)scale(.8)}18%{opacity:1;transform:translate(0)skew(-10deg)scale(1.08)}65%{opacity:1;transform:translate(0)skew(-10deg)scale(1)}to{opacity:0;transform:translate(-20px)skew(-10deg)scale(1)}}.fx-miss{font-family:var(--font-hud);letter-spacing:.06em;color:#ff5d7a;text-shadow:0 0 14px #ff4d6de6;opacity:0;background:radial-gradient(#0000 58%,#ff285052 100%);justify-content:center;align-items:flex-end;padding-bottom:10px;font-size:30px;font-style:italic;font-weight:700;animation:.4s ease-out forwards fx-miss;display:flex;position:absolute;inset:0}@keyframes fx-miss{0%{opacity:1;transform:translate(-3px)}15%{transform:translate(3px)}30%{opacity:.85;transform:translate(0)}to{opacity:0}}.typing-area{z-index:2;flex-direction:column;align-items:center;padding:0 18px 14px;display:flex;position:relative}.current-card{text-align:center;width:min(760px,100%);color:var(--text);-webkit-backdrop-filter:blur(14px);background:linear-gradient(#0a122ecc,#050918e6);border:1.5px solid #00d9ff99;border-radius:22px;padding:10px 36px 16px;position:relative;box-shadow:inset 0 0 0 1px #00d9ff1f,inset 0 0 40px #00d9ff14,0 0 30px #00d9ff47,0 18px 50px #00000080}.current-card:before,.current-card:after{content:"";border-top:3px solid var(--primary);width:46px;height:22px;filter:drop-shadow(0 0 6px var(--primary));position:absolute;top:-6px}.current-card:before{border-left:3px solid var(--primary);border-top-left-radius:14px;left:-6px}.current-card:after{border-right:3px solid 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