:root{--bg1:#1a1545;--bg2:#0d1b3e;--ink:#f5f2ff;--muted:#aeabd0;--gold:#ffc94d;--gold2:#ff9f43;--mint:#2fd39b;--coral:#ff6b7a;--paper:#f8f2e6;--paper-ink:#2a2540;--font:system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", "Segoe UI", sans-serif;--emoji:"Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif}*{box-sizing:border-box}html,body{background:var(--bg2);height:100%;color:var(--ink);font-family:var(--font);-webkit-tap-highlight-color:transparent;overscroll-behavior:none;-webkit-user-select:none;user-select:none;touch-action:manipulation;margin:0}button{font:inherit;color:inherit;cursor:pointer}#app{background:radial-gradient(1200px 700px at 20% -10%, #3b2f8f55, transparent 60%), radial-gradient(900px 600px at 100% 110%, #1d6fa355, transparent 60%), linear-gradient(160deg, var(--bg1), var(--bg2));position:fixed;inset:0;overflow:hidden}.boot{letter-spacing:.1em;height:100%;color:var(--gold);place-items:center;font-size:2rem;font-weight:800;display:grid}.screen{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);flex-direction:column;display:flex;position:absolute;inset:0}.enter{animation:.35s ease-out both enter}@keyframes enter{0%{opacity:0;transform:translateY(10px)}}.panel{background:var(--paper);border-radius:16px;box-shadow:inset 0 -3px #00000012,0 6px 14px #00000047}.icon{width:1.3em;height:1.3em;display:inline-flex}.icon svg{width:100%;height:100%}.icon.big{opacity:.55;width:96px;height:96px;color:var(--muted)}.icon-btn{width:44px;height:44px;color:var(--ink);background:#ffffff1a;border:0;border-radius:14px;flex:none;place-items:center;transition:background .15s,transform .1s;display:grid}.icon-btn:hover{background:#fff3}.icon-btn:active{transform:scale(.92)}.icon-btn .icon{width:24px;height:24px}.btn{border:0;border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:14px 28px;font-size:1.05rem;font-weight:800;transition:transform 80ms,box-shadow 80ms,filter .15s;display:inline-flex}.btn.primary{background:linear-gradient(180deg, var(--gold), var(--gold2));color:#3a2200;box-shadow:0 5px #c9742a,0 12px 22px #00000059}.btn.primary:hover{filter:brightness(1.06)}.btn.primary:active{transform:translateY(4px);box-shadow:0 1px #c9742a,0 6px 12px #00000059}.btn.ghost{color:var(--ink);background:#ffffff1f}.btn.ghost:hover{background:#fff3}.btn.xl{padding:18px 56px;font-size:1.4rem}.chip{background:#ffffff24;border-radius:999px;padding:3px 10px;font-size:.78rem;font-weight:700;display:inline-block}.chip.gold{background:linear-gradient(180deg, var(--gold), var(--gold2));color:#3a2200}.actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.bar{align-items:center;gap:12px;padding:12px 16px;display:flex}.bar h2{flex:1;margin:0;font-size:1.25rem}.ico{width:100%;height:100%;display:block}.ico img{object-fit:contain;filter:drop-shadow(0 3px 3px #3c281438);pointer-events:none;width:100%;height:100%}.ico.fallback{font-family:var(--emoji);place-items:center;font-size:62cqmin;line-height:1;display:grid}.title-screen{background:linear-gradient(180deg, #0d1b3eaa, #0d1b3eee), var(--bg-image,none) center / cover;position:absolute;inset:0}.title-screen.has-bg{background:radial-gradient(ellipse at center, #0d1b3e99 0%, #0d1b3e33 65%), var(--bg-image) center / cover no-repeat}.title-screen.has-bg .deco-row{display:none}.top-right{top:calc(12px + env(safe-area-inset-top));position:absolute;right:16px}.title-body{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;height:100%;padding:24px;display:flex}.deco-row{gap:clamp(8px,2vw,18px);margin-bottom:8px;display:flex}.deco{aspect-ratio:1;width:clamp(54px,13vw,92px);animation:3.2s ease-in-out infinite float;animation-delay:calc(var(--i) * -.6s);transform:rotate(calc((var(--i) - 2) * 5deg));position:relative;container-type:size}@keyframes float{50%{translate:0 -10px}}.logo{letter-spacing:.06em;background:linear-gradient(180deg, #fff3c4, var(--gold) 55%, var(--gold2));color:#0000;filter:drop-shadow(0 6px 18px #ffbe4659);-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(3rem,12vw,5.5rem)}.tagline{color:var(--muted);margin:0 0 12px;font-size:clamp(1rem,3.5vw,1.3rem)}.seg-group{background:#ffffff1a;border-radius:999px;padding:4px;display:flex}.seg{color:var(--muted);background:0 0;border:0;border-radius:999px;padding:8px 22px;font-weight:700}.seg.on{background:var(--ink);color:#231d54}.menu-screen,.tutorial-screen,.results-screen{flex-direction:column;display:flex;position:absolute;inset:0}.menu-list{flex:1;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));align-content:start;gap:14px;width:100%;max-width:1000px;margin:0 auto;padding:4px 16px 24px;display:grid;overflow-y:auto}.mode-card{background:#ffffff14;border:1px solid #ffffff1f;border-radius:20px;transition:transform .12s,background .15s;position:relative}.mode-card:hover{background:#ffffff21;transform:translateY(-2px)}.mode-card.featured{background:linear-gradient(120deg,#ffc94d33,#ff9f4322);border-color:#ffc94d88;grid-column:1/-1}.mode-main{text-align:left;background:0 0;border:0;border-radius:20px;align-items:center;gap:14px;width:100%;padding:14px 56px 14px 14px;display:flex}.mode-ico{flex:none;width:64px;height:64px;position:relative;container-type:size}.mode-text{flex-direction:column;gap:3px;min-width:0;display:flex}.mode-text strong{font-size:1.12rem}.mode-text small{color:var(--muted);line-height:1.4}.mode-text em{color:var(--gold);font-size:.82rem;font-style:normal;font-weight:700}.help-btn{background:#ffffff24;border:0;border-radius:50%;width:34px;height:34px;font-weight:800;position:absolute;top:10px;right:10px}.help-btn:hover{background:#ffffff47}.tut-body{flex-direction:column;flex:1;gap:20px;width:100%;max-width:640px;margin:0 auto;padding:8px 20px 28px;display:flex;overflow-y:auto}.tut-lead{color:var(--muted);text-align:center;margin:0;line-height:1.6}.tut-steps{flex-direction:column;gap:12px;margin:0;padding:0;list-style:none;display:flex}.tut-step{color:var(--paper-ink);align-items:center;gap:14px;padding:16px 16px 16px 20px;display:flex;position:relative}.tut-step p{margin:4px 0 0;font-size:.95rem;line-height:1.55}.tut-num{background:var(--gold);color:#3a2200;border-radius:50%;place-items:center;width:26px;height:26px;font-size:.85rem;font-weight:800;display:grid;position:absolute;top:-8px;left:-6px}.tut-ico{color:#5b4fc7;flex:none;width:40px;height:40px}.play{padding-top:env(safe-area-inset-top);flex-direction:column;display:flex;position:absolute;inset:0}.hud{align-items:center;gap:8px;padding:10px 12px 8px;display:flex}.hud-mid{font-variant-numeric:tabular-nums;flex:1;align-items:center;gap:8px;min-width:0;font-weight:800;display:flex}.stat{flex-direction:column;align-items:flex-end;min-width:56px;line-height:1.1;display:flex}.stat small{color:var(--muted);letter-spacing:.08em;font-size:.65rem}.stat b{font-variant-numeric:tabular-nums;font-size:1.3rem}.stat b.bump{animation:.3s bump}@keyframes bump{40%{color:var(--gold);transform:scale(1.3)}}.stat.streak{color:var(--gold2);flex-direction:row;align-items:center;gap:2px;min-width:0}.stat.streak .icon{width:20px;height:20px}.hidden{display:none!important}.timer{background:#ffffff1f;border-radius:3px;height:6px;margin:0 14px;overflow:hidden}.timer i{background:linear-gradient(90deg, var(--gold), var(--gold2));transform-origin:0;height:100%;display:block;transform:scaleX(0)}.arena{border-radius:24px;flex-direction:column;flex:1;gap:8px;width:100%;max-width:900px;min-height:0;margin:0 auto;padding:8px 14px 0;display:flex;position:relative}.arena.good{animation:.7s ease-out glow-good}.arena.bad{animation:.7s ease-out glow-bad}@keyframes glow-good{0%{box-shadow:inset 0 0 0 4px var(--mint), inset 0 0 70px #2fd39b66}to{box-shadow:inset 0 0 0 4px #0000,inset 0 0 #0000}}@keyframes glow-bad{0%{box-shadow:inset 0 0 0 4px var(--coral), inset 0 0 70px #ff6b7a66}to{box-shadow:inset 0 0 0 4px #0000,inset 0 0 #0000}}.prompt{text-align:center;justify-content:center;align-items:center;gap:12px;min-height:68px;font-size:clamp(1.05rem,3.8vw,1.5rem);font-weight:800;line-height:1.35;display:flex}.prompt-text.dim{color:var(--muted);font-size:1rem;font-weight:700}.prompt-item{flex:none;width:60px;height:60px;position:relative;container-type:size}.stage{flex:1;place-items:center;min-height:0;display:grid;container-type:size}.dock{padding:10px 14px calc(14px + env(safe-area-inset-bottom));justify-content:center;transition:opacity .2s;display:flex}.dock.off{opacity:0;pointer-events:none}.go{min-width:min(100%,280px)}.banner{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:0 12px;display:flex}.banner small{color:var(--gold);letter-spacing:.12em;font-weight:800}.banner strong{font-size:clamp(1.8rem,7vw,2.8rem)}.banner span{color:var(--muted);max-width:24em;line-height:1.5}.pop{animation:.35s cubic-bezier(.2,1.5,.4,1) both pop}@keyframes pop{0%{opacity:0;transform:scale(.6)}}.veil{animation:.3s both pop}.scene{aspect-ratio:3/2;background:var(--paper);border-radius:20px;width:min(100cqw,150cqh);position:relative;overflow:hidden;box-shadow:0 12px 30px #0006}.scene>img{object-fit:cover;pointer-events:none;width:100%;height:100%;display:block}.scene.procedural{background:linear-gradient(var(--wall) 0 56%, var(--floor) 56% 100%)}.scene.procedural:before{content:"";background:linear-gradient(#0000 54%,#0000001f 54% 56%,#0000 56%),linear-gradient(#ffffff2e,#0000 40%);position:absolute;inset:0}.obj{width:var(--w,14%);aspect-ratio:1;filter:drop-shadow(0 4px 4px #00000040);position:absolute;translate:-50% -50%;container-type:size}.scene.procedural .obj{--w:16%}.scatter{aspect-ratio:4/3;border-radius:20px;width:min(100cqw,133.33cqh);position:relative}.steps{flex-direction:column;align-items:center;gap:14px;display:flex}.step-slot{aspect-ratio:1;border-radius:28px;width:min(100cqw,100cqh - 40px,380px);position:relative}.step-card{position:absolute;inset:8%;container-type:size}.dots{gap:8px;display:flex}.dots i{background:#fff3;border-radius:50%;width:12px;height:12px;transition:background .2s,transform .2s}.dots i.on{background:var(--gold);transform:scale(1.15)}.pairs{--t:min(calc((100cqw - 36px * var(--pcols)) / (2 * var(--pcols))), calc((100cqh - 14px * var(--prows)) / var(--prows) - 20px), 150px);grid-template-columns:repeat(var(--pcols), auto);justify-content:center;gap:14px;display:grid}.pair{align-items:center;gap:8px;padding:10px;display:flex}.pair .tile{width:var(--t);height:var(--t);position:relative;container-type:size}.pair .link{background:var(--gold2);border-radius:50%;flex:none;width:14px;height:14px}.board{grid-template-columns:repeat(var(--cols), 1fr);grid-template-rows:repeat(var(--rows), 1fr);width:min(100cqw, calc(100cqh * var(--ratio)), 640px);aspect-ratio:var(--ratio);gap:clamp(6px,1.6cqmin,12px);display:grid}.cell{border:0;min-width:0;min-height:0;padding:0;position:relative;container-type:size}.cell>.ico{width:auto;height:auto;position:absolute;inset:8%}button.cell{outline:4px solid #0000;transition:transform .1s,outline-color .2s}button.cell:hover{transform:translateY(-2px)}button.cell:active{transform:scale(.95)}.board.locked .cell{pointer-events:none}.choices{grid-template-columns:repeat(var(--cols), 1fr);gap:clamp(8px,2cqmin,16px);display:grid}.choices.items{grid-template-rows:repeat(var(--rows), 1fr);width:min(100cqw, calc(100cqh * var(--ratio)), 560px);aspect-ratio:var(--ratio)}.choices.text{grid-auto-rows:clamp(64px,14cqh,96px);width:min(100cqw,520px)}.choice{min-width:0;min-height:0;color:var(--paper-ink);border:0;outline:4px solid #0000;padding:0;transition:transform .1s,outline-color .15s,opacity .25s,background .15s;position:relative}.choice:hover{transform:translateY(-2px)}.choice:active{transform:scale(.95)}.choice .tile{position:absolute;inset:7%;container-type:size}.choice .label{justify-content:center;align-items:center;gap:10px;height:100%;padding:0 10px;font-size:clamp(1.1rem,4.2vw,1.5rem);font-weight:800;display:flex}.swatch{border-radius:50%;flex:none;width:1.4em;height:1.4em;box-shadow:inset 0 0 0 2px #0003}.badge{background:var(--mint);color:#053;border-radius:50%;place-items:center;width:28px;height:28px;font-size:.9rem;animation:.25s both pop;display:grid;position:absolute;top:6px;left:6px}.right{outline-color:var(--mint)!important;background:#e6fff5!important}.wrong{animation:.4s shake;outline-color:var(--coral)!important;background:#ffe9ec!important}.choice.done{outline-color:var(--mint);background:#e6fff5}.choices.locked .choice:not(.right):not(.wrong):not(.done){opacity:.4;pointer-events:none}.choices.locked .choice{pointer-events:none}.choices.revealed .choice:has(.badge){opacity:1;outline-color:var(--mint)}@keyframes shake{20%,60%{translate:-6px}40%,80%{translate:6px}}.pop-score{color:var(--gold);text-shadow:0 3px #00000073;pointer-events:none;z-index:5;font-size:2rem;font-weight:900;animation:.9s ease-out forwards float-up;position:absolute;top:24%;left:50%;translate:-50%}@keyframes float-up{0%{opacity:0;transform:translateY(20px)scale(.7)}20%{opacity:1;transform:translateY(0)scale(1.15)}to{opacity:0;transform:translateY(-50px)}}.results-screen{justify-content:center;align-items:center;padding:20px;overflow-y:auto}.res-card{background:#ffffff17;border:1px solid #ffffff24;border-radius:28px;flex-direction:column;align-items:center;gap:14px;width:min(100%,460px);padding:26px 22px;display:flex;box-shadow:0 20px 50px #00000059}.res-card h2{color:var(--muted);letter-spacing:.2em;margin:0;font-size:1rem}.rank{background:linear-gradient(180deg, #fff3c4, var(--gold) 55%, var(--gold2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:6rem;font-weight:900;line-height:1;animation:.6s cubic-bezier(.2,1.5,.4,1) both pop}.rank-C,.rank-D{background:linear-gradient(#e8e6ff,#9d98d6);-webkit-background-clip:text;background-clip:text}.rank-text{margin:-6px 0 0;font-weight:700}.score-row{flex-direction:column;align-items:center;gap:4px;display:flex}.score-row small{color:var(--muted);letter-spacing:.1em}.big-score{font-variant-numeric:tabular-nums;font-size:3rem}.res-stats{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;display:grid}.res-stat{background:#0003;border-radius:14px;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;display:flex}.res-stat small{color:var(--muted);text-align:center;font-size:.72rem}.res-stat b{font-size:1.15rem}@media (max-width:420px){.btn.xl{padding:16px 40px}.hud{gap:6px;padding-inline:8px}}@media (max-height:560px){.prompt{min-height:48px}.deco-row{display:none}}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}