:root{font-family:BIZ UDPGothic,Yu Gothic,Meiryo,sans-serif;color:#11223f;background:radial-gradient(circle at top,rgba(127,231,255,.55),transparent 32%),linear-gradient(180deg,#f8fcff,#ecf6ff 40%,#dce8f6);line-height:1.5;font-weight:500;color-scheme:light;--surface: rgba(255, 255, 255, .72);--line: rgba(34, 77, 140, .18);--shadow: 0 24px 60px rgba(50, 92, 154, .18);--text-subtle: #5d6f92}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button{font:inherit}#root{min-height:100vh}.password-gate{min-height:100vh;display:grid;place-items:center;padding:24px}.password-gate__card{width:min(480px,100%);padding:32px;border-radius:28px;border:1px solid var(--line);background:#ffffffd1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow)}.password-gate__eyebrow{margin:0 0 8px;color:var(--text-subtle);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase}.password-gate__card h1{margin:0;font-size:clamp(2rem,5vw,2.8rem);line-height:1.1}.password-gate__text{margin:12px 0 0;color:#445b80}.password-gate__form{display:grid;gap:12px;margin-top:24px}.password-gate__label{font-size:.95rem;font-weight:700;color:#18345c}.password-gate__input{width:100%;padding:14px 16px;border-radius:16px;border:1px solid rgba(31,58,102,.16);background:#fffffff2;color:#132a4b;font:inherit}.password-gate__error{margin:0;color:#b42318;font-size:.92rem;font-weight:700}.game-shell{width:min(1380px,calc(100vw - 24px));margin:0 auto;padding:24px 0 40px;position:relative}.prestart-title{position:absolute;left:50%;top:34%;z-index:3;transform:translate(-50%,-50%);padding:14px 28px;border-radius:999px;background:#ffffffad;border:1px solid rgba(126,165,223,.28);box-shadow:0 18px 36px #1e3f6e1f;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#193a65;font-size:clamp(1.6rem,3vw,2.8rem);font-weight:900;letter-spacing:.08em;white-space:nowrap;pointer-events:none}.game-shell--critical{animation:criticalFlash .6s infinite}@keyframes criticalFlash{0%,to{filter:saturate(1)}50%{filter:saturate(1.15)}}.hero-panel,.board-panel,.answer-display,.kana-selector,.bottom-image-panel{border:1px solid var(--line);background:var(--surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:var(--shadow)}.hero-panel{display:flex;justify-content:space-between;gap:24px;padding:24px 28px;border-radius:28px;position:relative;overflow:hidden}.hero-panel:after{content:"";position:absolute;inset:auto -10% -45% auto;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,177,87,.35),transparent 68%)}.hero-panel__eyebrow,.result-modal__eyebrow,.panel-title{margin:0 0 8px;color:var(--text-subtle);font-size:.82rem;letter-spacing:.18em;text-transform:uppercase}.hero-panel h1{margin:0;font-size:clamp(2rem,3vw,3.6rem);line-height:1}.hero-panel__prompt{margin:12px 0 0;font-size:clamp(1.1rem,1.6vw,1.4rem)}.hero-panel__rule{margin:10px 0 0;max-width:58ch;color:#445b80;font-size:.98rem}.hero-panel__controls{display:flex;align-items:center;gap:12px;z-index:1}.hero-panel__timer{display:grid;gap:2px;min-width:108px;padding:10px 16px;border-radius:20px;background:#ffffffb8;border:1px solid rgba(24,52,92,.08);text-align:center}.hero-panel__timer-label{color:var(--text-subtle);font-size:.75rem;letter-spacing:.08em}.hero-panel__timer-value{font-size:1.9rem;line-height:1;color:#18345c}.control-button{border:none;border-radius:999px;padding:14px 22px;cursor:pointer;transition:transform .16s ease,opacity .16s ease,box-shadow .16s ease}.control-button:disabled{cursor:not-allowed;opacity:.55}.control-button:not(:disabled):hover{transform:translateY(-2px)}.control-button--primary{color:#fff;background:linear-gradient(135deg,#ff6f3d,#ff4e72);box-shadow:0 14px 24px #ff5d4552}.control-button--ghost{color:#18345c;background:#ffffffdb;border:1px solid rgba(24,52,92,.12)}.board-panel{margin-top:18px;padding:20px;border-radius:32px}.board-panel__lanes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;min-height:590px}.game-shell--prestart .lane-tube{border-color:transparent;box-shadow:none;background:transparent}.game-shell--prestart .lane-tube:before,.game-shell--prestart .lane-tube__header,.game-shell--prestart .lane-tube__beam,.game-shell--prestart .lane-tube__content,.game-shell--prestart .lane-tube__desk,.game-shell--prestart .lane-tube__bomb-track{opacity:0;visibility:hidden}.game-shell--prestart .lane-tube__glass{min-height:500px;background:transparent;border-color:transparent;box-shadow:none}.game-shell--prestart .lane-tube__image-wrap{bottom:22px}.game-shell--starting .lane-tube:before,.game-shell--starting .lane-tube__header,.game-shell--starting .lane-tube__glass,.game-shell--starting .lane-tube__desk,.game-shell--starting .lane-tube__bomb-track{animation:stageRiseIn 1.1s cubic-bezier(.16,.88,.2,1) forwards}@keyframes stageRiseIn{0%{opacity:0;transform:translateY(220px)}55%{opacity:1;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.lane-tube{border-radius:28px;padding:16px;background:linear-gradient(180deg,#ffffffb3,#ffffff29),linear-gradient(180deg,#7fe7ff14,#fff0);border:1px solid rgba(255,255,255,.45);position:relative;overflow:visible;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.lane-tube:before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,rgba(255,255,255,.55),transparent 22%),linear-gradient(90deg,rgba(255,255,255,.48),transparent 20%,transparent 80%,rgba(255,255,255,.3));pointer-events:none}.lane-tube--active{transform:translateY(-6px);box-shadow:0 24px 42px color-mix(in srgb,var(--lane-color) 42%,transparent);border-color:color-mix(in srgb,var(--lane-color) 80%,white)}.lane-tube--cleared{box-shadow:0 18px 36px color-mix(in srgb,var(--lane-color) 28%,transparent)}.lane-tube--flash{animation:laneFlash .7s ease}@keyframes laneFlash{0%{transform:scale(.98)}45%{transform:scale(1.02);box-shadow:0 0 34px color-mix(in srgb,var(--lane-color) 55%,white)}to{transform:scale(1)}}.lane-tube__header{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.lane-tube__number{font-size:1rem;font-weight:800}.lane-tube__status{border-radius:999px;padding:4px 10px;font-size:.8rem;background:#ffffffa8;color:#243b63}.lane-tube__glass{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:500px;border-radius:22px;background:linear-gradient(180deg,#ffffffb3,#cfe8ff3d),linear-gradient(180deg,color-mix(in srgb,var(--lane-color) 18%,white),#ffffff0a);border:1px solid rgba(255,255,255,.52);overflow:visible}.lane-tube__beam{position:absolute;inset:20px 28px;border-radius:999px;background:linear-gradient(180deg,color-mix(in srgb,var(--lane-color) 40%,transparent),transparent);filter:blur(8px)}.lane-tube__bomb-track{position:absolute;inset:10px 0 128px;z-index:10;pointer-events:none}.lane-tube__bomb{position:absolute;left:50%;top:calc(var(--bomb-progress, 0) * (100% - 68px));width:68px;height:68px;margin-left:-34px;z-index:10;will-change:top;transition:top 90ms linear,opacity .22s ease}.lane-tube__bomb-core{width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at 35% 30%,#566075,#141b29 72%);border:3px solid rgba(255,255,255,.14);box-shadow:0 16px 28px #00000047,0 0 0 8px #ff6c3714}.lane-tube__bomb--danger{animation:bombDangerPulse .55s infinite}.lane-tube__bomb--danger .lane-tube__bomb-core{background:radial-gradient(circle at 35% 30%,#ffb08d,#8e0e10 74%);box-shadow:0 16px 28px #7c101257,0 0 0 8px #ff5c3f26,0 0 20px #ff5c3f73}.lane-tube__bomb--critical{animation:bombCriticalPulse .5s infinite}@keyframes bombCriticalPulse{0%,to{opacity:1;transform:scale(1.3)}50%{opacity:.8;transform:scale(1.18)}}@keyframes bombDangerPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.08)}}.lane-tube__bomb--failed .lane-tube__bomb-core{background:radial-gradient(circle at 35% 30%,#ff9d7e,#61110f 74%);box-shadow:0 18px 34px #7b121252,0 0 24px #ff5c3f5c}.lane-tube__bomb-count{position:absolute;left:50%;top:50%;display:grid;place-items:center;z-index:1;color:#fff4db;min-width:1.4em;font-size:3rem;font-weight:900;text-shadow:0 2px 8px rgba(80,0,0,.65),0 0 14px rgba(255,233,188,.3);transform:translate(-50%,-50%);transform-origin:center;pointer-events:none;animation:bombCountInhale .9s cubic-bezier(.18,.84,.22,1) forwards}@keyframes bombCountInhale{0%{opacity:0;transform:translate(-50%,-115%) scale(2.4);filter:blur(2px)}18%{opacity:1;transform:translate(-50%,-90%) scale(2);filter:blur(0)}68%{opacity:1;transform:translate(-50%,-50%) scale(.95);filter:blur(0)}to{opacity:.4;transform:translate(-50%,-50%) scale(.2);filter:blur(1px)}}.lane-tube__spark{position:absolute;top:-10px;right:6px;width:20px;height:20px;background:radial-gradient(circle,#fff7a2 0%,#ff8e3c 45%,transparent 70%);animation:spark .5s infinite alternate}.lane-tube__content{position:relative;z-index:2;writing-mode:vertical-rl;text-orientation:mixed;font-size:clamp(1.4rem,2vw,2rem);font-weight:800;letter-spacing:.18em;color:#1b3157;text-shadow:0 0 18px rgba(255,255,255,.75)}.lane-tube__image-wrap{position:absolute;left:10px;right:10px;bottom:-8px;z-index:3;display:grid;place-items:center;background:transparent;pointer-events:auto}.lane-tube__image-button{position:relative;border:0;padding:0;margin:0;background:transparent;cursor:default;display:grid;place-items:center}.lane-tube__image-button:disabled{pointer-events:none}.lane-tube__image-button--prompt{cursor:pointer;animation:introPromptBounce 1.3s ease-in-out infinite}.lane-tube__image-button--prompt:hover{transform:translateY(-3px) scale(1.02)}.lane-tube__speech-bubble{position:absolute;left:50%;bottom:132px;z-index:6;width:max-content;max-width:min(240px,calc(100vw - 32px));padding:12px 16px;border-radius:18px;background:#fffffff7;border:1px solid rgba(104,143,203,.34);box-shadow:0 16px 28px #1b375f29;color:#1b3157;font-size:1rem;font-weight:800;line-height:1.4;text-align:center;transform:translate(-50%);animation:introBubblePop .24s ease-out}.lane-tube__speech-bubble:after{content:"";position:absolute;left:50%;bottom:-9px;width:18px;height:18px;background:#fffffff7;border-right:1px solid rgba(104,143,203,.34);border-bottom:1px solid rgba(104,143,203,.34);transform:translate(-50%) rotate(45deg)}.lane-tube__click-hint{position:absolute;left:50%;top:-12px;transform:translate(-50%,-100%);padding:6px 12px;border-radius:999px;background:linear-gradient(135deg,#ff8d43,#ff5a66);box-shadow:0 10px 20px #ff655247;color:#fff;font-size:.76rem;font-weight:800;letter-spacing:.04em;white-space:nowrap;animation:introHintPulse 1s ease-in-out infinite}.lane-tube__nameplate{position:absolute;left:50%;bottom:10px;transform:translate(-50%);max-width:min(170px,calc(100% - 16px));padding:6px 12px;border-radius:999px;background:#0e2242c2;box-shadow:0 10px 20px #12274933;color:#f8fbff;font-size:.74rem;font-weight:800;letter-spacing:.02em;line-height:1.35;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lane-tube__image{width:100%;max-width:156px;height:146px;object-fit:contain;display:block;background:transparent}.lane-tube__desk{position:absolute;left:14px;right:14px;bottom:-14px;z-index:4;pointer-events:none}.lane-tube__desk-top{height:16px;border-radius:14px 14px 10px 10px;background:linear-gradient(180deg,#fffffff5,#d4e4f7f0);border:1px solid rgba(171,193,225,.82);box-shadow:0 8px 16px #2947751f,inset 0 1px #ffffffeb}.lane-tube__desk-front{height:48px;margin:-2px 8px 0;border-radius:0 0 18px 18px;background:linear-gradient(180deg,#ebf2fcfa,#bed0e9f5);border:1px solid rgba(166,188,221,.76);border-top:none;box-shadow:0 12px 18px #2849761a,inset 0 1px #ffffffbf}@keyframes introPromptBounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-5px) scale(1.02)}}@keyframes introHintPulse{0%,to{opacity:1;transform:translate(-50%,-100%) scale(1)}50%{opacity:.86;transform:translate(-50%,-108%) scale(1.06)}}@keyframes introBubblePop{0%{opacity:0;transform:translate(-50%) translateY(10px) scale(.85)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}@keyframes spark{0%{transform:scale(.85) rotate(-10deg)}to{transform:scale(1.15) rotate(8deg)}}.control-deck{display:grid;gap:18px;margin-top:18px;position:relative}.kana-flight{position:fixed;left:0;top:0;z-index:25;width:44px;height:44px;margin-left:-22px;margin-top:-22px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(180deg,#fffffff5,#dfedfceb);border:1px solid rgba(31,58,102,.12);box-shadow:0 10px 20px #3967aa29;color:#132a4b;font-size:1.15rem;font-weight:800;pointer-events:none;transform:translate(var(--start-x),var(--start-y)) scale(1);opacity:.96;transition:transform .38s cubic-bezier(.19,.89,.24,1),opacity .38s ease}.kana-flight--active{transform:translate(var(--end-x),var(--end-y)) scale(.72);opacity:.18}.game-shell--critical:before{content:"";position:fixed;inset:0;z-index:5;pointer-events:none;background:#ff2a2a24;animation:criticalOverlayFlash .55s infinite}@keyframes criticalOverlayFlash{0%,to{opacity:.18}50%{opacity:.52}}.answer-display,.kana-selector{border-radius:28px;padding:20px}.answer-display__screen{min-height:88px;display:flex;align-items:center;padding:18px 20px;border-radius:20px;border:1px solid rgba(36,59,99,.1);background:linear-gradient(180deg,#ffffffeb,#e2f1ffb8);font-size:clamp(1.2rem,2.4vw,1.8rem);font-weight:800}.answer-display__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.kana-selector__columns{display:flex;flex-direction:row-reverse;align-items:flex-start;justify-content:space-between;gap:10px;overflow-x:auto;padding-bottom:6px}.kana-selector__column{display:grid;grid-template-rows:repeat(5,minmax(54px,1fr));gap:10px;min-width:54px}.kana-selector__button{min-height:54px;border-radius:16px;border:1px solid rgba(31,58,102,.1);background:linear-gradient(180deg,#fffffff0,#dfedfccc);color:#132a4b;font-size:1.2rem;font-weight:800;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .15s ease}.kana-selector__button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 18px #4d7fc129}.kana-selector__button:disabled{cursor:not-allowed;opacity:.45}.kana-selector__button--sub{min-height:48px;font-size:1rem}.kana-selector__spacer{display:block;min-height:54px}.kana-selector__empty{min-height:200px;border-radius:22px;border:1px dashed rgba(34,77,140,.24);display:grid;place-items:center;text-align:center;padding:20px;color:var(--text-subtle);background:linear-gradient(135deg,#ffffffbf,#eaf5ffb8)}.kana-selector__extras{margin-top:16px}.kana-selector__extras-label{margin-bottom:8px;color:var(--text-subtle);font-size:.82rem;letter-spacing:.08em}.kana-selector__extras-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(48px,1fr));gap:8px}.result-modal{position:fixed;inset:0;display:grid;place-items:center;padding:24px;background:#0a142980;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.start-message-modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:24px;background:#0a142957;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.start-message-modal__scene{width:min(920px,100%);display:grid;grid-template-columns:minmax(180px,260px) minmax(0,1fr);align-items:end;gap:18px}.start-message-modal__character{display:flex;align-items:end;justify-content:center}.start-message-modal__character-image{width:min(100%,240px);max-height:380px;object-fit:contain;display:block;filter:drop-shadow(0 20px 36px rgba(17,36,69,.24))}.start-message-modal__window{position:relative;width:100%;border:0;border-radius:26px;padding:30px 32px 26px;background:linear-gradient(180deg,#fcfefffc,#e4effff5);box-shadow:0 28px 70px #10284c47,inset 0 1px #ffffffe0;text-align:left;cursor:pointer;overflow:visible;transition:transform .18s ease,box-shadow .18s ease}.start-message-modal__window:before{content:"";position:absolute;left:-18px;bottom:34px;width:34px;height:34px;background:linear-gradient(135deg,#f4f9fffa,#e0edfff5);border-radius:8px;transform:rotate(45deg);box-shadow:-10px 12px 24px #10284c14}.start-message-modal__window:hover{transform:translateY(-2px);box-shadow:0 32px 76px #10284c4d}.start-message-modal__window-frame{position:absolute;inset:10px;border-radius:18px;border:1px solid rgba(120,162,221,.42);pointer-events:none}.start-message-modal__label{position:relative;display:block;margin-bottom:10px;color:#6980a7;font-size:.8rem;letter-spacing:.16em}.start-message-modal__title{position:relative;display:block;color:#17345d;font-size:clamp(1.4rem,3vw,2rem);line-height:1.45}.start-message-modal__hint{position:relative;display:block;margin-top:18px;color:#5f7090;font-size:.95rem}@media(max-width:820px){.start-message-modal__scene{grid-template-columns:1fr;gap:10px}.start-message-modal__character-image{width:min(56vw,220px);max-height:220px}.start-message-modal__window:before{left:42px;bottom:auto;top:-14px}}.explosion-overlay{position:fixed;inset:0;z-index:40;display:grid;place-items:center;background:transparent;pointer-events:none;isolation:isolate}.explosion-overlay__image{width:100vw;height:100vh;object-fit:cover;display:block;mix-blend-mode:screen}.clear-celebration{position:fixed;inset:0;z-index:28;display:grid;place-items:center;overflow:hidden;cursor:pointer}.clear-celebration__backdrop{position:absolute;inset:0;background:radial-gradient(circle at center,#ffffffeb,#eff5ffd1 38%,#d0e1f6bd);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.clear-celebration__title{position:relative;z-index:1;font-size:clamp(4rem,11vw,8rem);font-weight:900;letter-spacing:.04em;color:#f6c400;text-shadow:0 2px 0 #6a4c00,0 5px 0 #6a4c00,0 10px 24px rgba(53,41,0,.34);animation:clearFloat 1.5s ease-in-out infinite alternate}.clear-celebration__hint{position:absolute;left:50%;bottom:48px;transform:translate(-50%);z-index:1;color:#415675;font-size:1rem;letter-spacing:.1em}@keyframes clearFloat{0%{transform:translateY(-4px) scale(1)}to{transform:translateY(8px) scale(1.03)}}.result-modal__card{width:min(460px,100%);border-radius:28px;padding:28px;text-align:center;background:linear-gradient(180deg,#fffffff5,#ebf4ffeb);box-shadow:0 28px 70px #10284c47}.result-modal__card h2{margin:0;font-size:clamp(2rem,5vw,2.8rem)}.result-modal__card p:last-of-type{margin:12px 0 24px;color:#32496d}@media(max-width:1080px){.board-panel__lanes{min-height:unset}.lane-tube__glass{min-height:320px}.lane-tube__image-wrap{left:8px;right:8px;bottom:-6px}.lane-tube__image{max-width:124px;height:118px}.lane-tube__desk{left:10px;right:10px;bottom:-10px}.lane-tube__desk-front{height:40px}.lane-tube__bomb-track{bottom:102px}}@media(max-width:820px){.game-shell{width:min(100vw - 16px,100%);padding-top:16px}.hero-panel{flex-direction:column;padding:20px}.hero-panel__controls{flex-wrap:wrap}.board-panel__lanes{grid-template-columns:repeat(5,minmax(120px,1fr));overflow-x:auto;padding-bottom:8px}.lane-tube{min-width:120px}.answer-display,.kana-selector{padding:16px;border-radius:22px}.kana-selector__column{min-width:48px;grid-template-rows:repeat(5,minmax(48px,1fr))}}