:root{
  --bg:#101628;--panel:#171f35;--panel2:#202942;--ink:#f7f2e8;--muted:#aab3c8;
  --lime:#baf45a;--cyan:#6fe7e4;--orange:#ffb257;--pink:#ff7ea9;--violet:#9d86ff;
  --danger:#ff6c6c;--shadow:0 24px 80px rgba(0,0,0,.34);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:radial-gradient(circle at 50% -10%,#253154 0,#101628 45%,#0b1020 100%);color:var(--ink);font-family:Inter,"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{min-height:100dvh;overflow-x:hidden}
button,a{font:inherit;color:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.app-shell{width:min(100%,520px);min-height:100dvh;margin:0 auto;padding:max(14px,env(safe-area-inset-top)) 18px max(24px,env(safe-area-inset-bottom));position:relative}
.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:20}
.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}
.brand-mark{width:34px;height:34px;border:1px solid #3a4667;border-radius:12px;display:grid;place-items:center;background:#171f35;color:var(--lime);font-size:20px;font-weight:900}
.brand b{display:block;font-size:13px;letter-spacing:.14em}.brand small{display:block;color:#7f8aa4;font-size:12px;letter-spacing:.08em;margin-top:2px}
.icon-button{width:38px;height:38px;border:1px solid #34405e;border-radius:50%;background:#171f35;color:#c5cce0;font-weight:800}
.hero{min-height:calc(100dvh - 100px);display:flex;flex-direction:column;justify-content:center;padding:6px 4px 20px}
.eyebrow{margin:0 0 12px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.18em}
.hero h1,.result-screen h1{font-size:clamp(44px,13vw,68px);line-height:.93;letter-spacing:-.07em;margin:0;font-weight:900}.hero h1 span,.result-screen h1 span{color:var(--lime)}
.lead{margin:20px 0 0;font-size:15px;line-height:1.85;color:#c4cbda}
.hero-visual{height:275px;position:relative;margin:2px 0 10px;display:grid;place-items:center;overflow:hidden}
.person-core{position:relative;width:92px;height:132px;z-index:4;filter:drop-shadow(0 18px 22px rgba(0,0,0,.3))}
.person-core .head{position:absolute;width:44px;height:44px;border-radius:50%;background:var(--ink);left:24px;top:8px}.person-core .body{position:absolute;width:78px;height:78px;border-radius:32px 32px 18px 18px;background:linear-gradient(145deg,#f7f2e8,#b9c0d1);left:7px;top:55px}
.orbit{position:absolute;border:1px dashed rgba(186,244,90,.24);border-radius:50%}.orbit-a{width:250px;height:250px}.orbit-b{width:360px;height:190px;transform:rotate(-10deg);border-color:rgba(111,231,228,.2)}
.float-card{position:absolute;z-index:5;padding:9px 12px;border:1px solid #3a4665;border-radius:12px;background:rgba(25,33,55,.9);box-shadow:0 10px 35px rgba(0,0,0,.22);font-size:12px;font-weight:800;animation:float 4s ease-in-out infinite}.c1{top:42px;left:9px;color:var(--pink)}.c2{top:82px;right:4px;color:var(--lime);animation-delay:-1s}.c3{bottom:58px;left:12px;color:var(--orange);animation-delay:-2s}.c4{bottom:22px;right:22px;color:var(--cyan);animation-delay:-.6s}
@keyframes float{0%,100%{transform:translateY(0) rotate(-1deg)}50%{transform:translateY(-8px) rotate(1deg)}}
.hero-actions,.result-actions{display:grid;gap:8px}.primary-button{border:0;border-radius:18px;background:var(--lime);color:#111827;min-height:58px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:900;box-shadow:0 14px 36px rgba(186,244,90,.16);transition:.18s transform,.18s filter}.primary-button:active{transform:scale(.98);filter:brightness(.94)}.primary-button span{font-size:22px}.text-button{border:0;background:transparent;color:#9da8bf;min-height:44px;font-weight:700}.microcopy{text-align:center;color:#69758f;font-size:12px;margin:8px 0 0}
.game-screen{padding-top:2px}.hud{display:flex;align-items:center;gap:10px;margin:4px 0 12px}.progress-wrap{display:flex;gap:8px;align-items:center;flex:1}.progress-track{height:7px;background:#242e48;border-radius:999px;overflow:hidden;flex:1}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--lime),var(--cyan));transition:width .25s}.progress-wrap span{font-size:12px;color:#8b97af;font-weight:800;min-width:34px}.combo-pill{font-size:12px;letter-spacing:.08em;background:#171f35;border:1px solid #34405e;padding:7px 10px;border-radius:999px;color:#8f9ab1}.combo-pill b{color:var(--orange);font-size:12px;margin-left:3px}.combo-pill.hot{border-color:#6e572c;box-shadow:0 0 20px rgba(255,178,87,.15)}
.stage-label{text-align:center;color:#7e8aa4;font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
.arena{height:520px;position:relative;border:1px solid #2d3855;border-radius:28px;background:radial-gradient(circle at 50% 45%,rgba(45,59,91,.68),rgba(17,24,43,.75) 55%,rgba(10,15,29,.96));overflow:hidden;box-shadow:var(--shadow);touch-action:none}
.zone{position:absolute;display:flex;align-items:center;gap:5px;color:#8390a9;font-size:12px;font-weight:800;opacity:.72;transition:.18s all}.zone b{font-size:12px}.zone small{display:none}.zone span{font-size:16px}.zone-self{left:10px;top:49%;transform:translateY(-50%);color:var(--lime)}.zone-other{right:10px;top:49%;transform:translateY(-50%);color:var(--pink)}.zone-joint{top:10px;left:50%;transform:translateX(-50%);color:var(--cyan)}.zone-outside{bottom:10px;left:50%;transform:translateX(-50%);color:var(--orange)}.zone.active{opacity:1;filter:brightness(1.3);text-shadow:0 0 14px currentColor;transform:scale(1.08)}.zone-self.active,.zone-other.active{transform:translateY(-50%) scale(1.08)}.zone-joint.active,.zone-outside.active{transform:translateX(-50%) scale(1.08)}
.situation{position:absolute;top:55px;left:24px;right:24px;text-align:center;font-size:13px;color:#9aa6bf;line-height:1.55;min-height:40px;display:grid;place-items:center}
.card-stack{position:absolute;left:50%;top:51%;transform:translate(-50%,-50%);width:min(78%,340px);height:232px}.card-stack::before,.card-stack::after{content:"";position:absolute;inset:10px 14px -8px;border-radius:24px;background:#1b2540;border:1px solid #34415e;transform:rotate(-2deg);opacity:.55}.card-stack::after{inset:5px 8px -4px;transform:rotate(2deg);opacity:.75}
.task-card{position:absolute;inset:0;z-index:3;background:linear-gradient(145deg,#f6f1e6,#e9e4d9);color:#162033;border-radius:24px;padding:22px 20px;box-shadow:0 25px 50px rgba(0,0,0,.35);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;user-select:none;touch-action:none;will-change:transform;transition:box-shadow .15s}.task-card.dragging{box-shadow:0 34px 68px rgba(0,0,0,.48)}.card-grip{position:absolute;top:12px;width:34px;height:4px;border-radius:9px;background:#c6c1b6}.card-kicker{font-size:12px;font-weight:900;letter-spacing:.1em;color:#7a7d84;margin:0 0 14px}.task-card h2{font-size:clamp(21px,6vw,30px);line-height:1.3;letter-spacing:-.04em;margin:0;max-width:285px}.drag-hint{font-size:12px;color:#8f918f;margin:18px 0 0;font-weight:700}.task-card.correct-flash{background:linear-gradient(145deg,#efffcf,#dff7b9)}.task-card.wrong-flash{background:linear-gradient(145deg,#ffe4e4,#f6caca)}
.feedback-burst{position:absolute;z-index:15;left:20px;right:20px;bottom:54px;text-align:center;pointer-events:none}.feedback-burst b{display:block;font-size:20px;letter-spacing:.04em;color:var(--lime);text-shadow:0 4px 22px rgba(0,0,0,.55)}.feedback-burst.wrong b{color:#ff9898}.feedback-burst span{display:inline-block;margin-top:5px;background:rgba(8,12,23,.86);border:1px solid #36415c;border-radius:999px;padding:7px 11px;color:#c9d0df;font-size:12px;max-width:95%}
.weight-panel{display:flex;align-items:center;gap:12px;margin:12px 4px 8px;background:#151d31;border:1px solid #2d3853;border-radius:18px;padding:10px 13px}.weight-person{width:45px;height:48px;position:relative;flex:none}.mini-head{position:absolute;left:15px;top:2px;width:15px;height:15px;background:#dbe1eb;border-radius:50%}.mini-body{position:absolute;left:10px;top:19px;width:25px;height:27px;background:#6a7895;border-radius:8px 8px 4px 4px;transition:.2s transform}.backpack{position:absolute;right:0;top:20px;min-width:18px;height:23px;border-radius:5px;background:var(--orange);display:grid;place-items:center;color:#192033;font-size:12px;font-weight:900;transform-origin:left center;transition:.25s all}.weight-copy{display:flex;flex-direction:column;gap:2px}.weight-copy b{font-size:12px}.weight-copy span{font-size:12px;color:#8592aa}
.tap-controls{display:grid;grid-template-columns:1fr 1fr;gap:7px}.tap-controls button{min-height:44px;border:1px solid #33405f;border-radius:14px;background:#171f35;color:#aeb8cb;font-size:12px;font-weight:900;transition:.15s}.tap-controls button:active{transform:scale(.97);background:#202b47}.tap-controls button:nth-child(1){color:var(--lime)}.tap-controls button:nth-child(2){color:var(--cyan)}.tap-controls button:nth-child(3){color:var(--pink)}.tap-controls button:nth-child(4){color:var(--orange)}
.result-screen{padding:38px 4px 20px}.result-screen h1{font-size:clamp(36px,10vw,54px);margin-bottom:26px}.result-hero{min-height:180px;border-radius:26px;border:1px solid #3a4665;background:linear-gradient(145deg,#1b2540,#131a2b);display:flex;align-items:baseline;justify-content:center;gap:5px;flex-wrap:wrap;padding:26px;box-shadow:var(--shadow)}.result-hero span{width:100%;text-align:center;color:#9fa9bc;font-size:12px}.result-hero strong{font-size:78px;line-height:1;color:var(--lime);letter-spacing:-.06em}.result-hero b{font-size:16px;color:#b9c2d4}.score-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}.score-card{background:#151d31;border:1px solid #2d3853;border-radius:18px;padding:14px}.score-card span,.score-card small{display:block}.score-card span{font-size:12px;color:#8793ab;font-weight:800}.score-card b{display:block;font-size:26px;margin:5px 0 2px}.score-card small{font-size:12px;color:#69758e}.takeaway{margin:18px 0;padding:18px;border-left:3px solid var(--lime);background:rgba(186,244,90,.045);border-radius:0 16px 16px 0}.takeaway>span{color:#8692aa;font-size:12px;font-weight:900;letter-spacing:.1em}.takeaway blockquote{font-size:17px;font-weight:900;margin:8px 0 6px}.takeaway p{margin:0;color:#9da8bc;font-size:12px;line-height:1.6}.disclaimer{font-size:12px;color:#647089;line-height:1.6;margin-top:18px}
dialog{border:0;background:transparent;padding:18px;max-width:520px;width:100%;color:var(--ink)}dialog::backdrop{background:rgba(4,7,14,.76);backdrop-filter:blur(7px)}.dialog-card{position:relative;background:#171f35;border:1px solid #3a4664;border-radius:28px;padding:28px 20px 20px;box-shadow:var(--shadow)}.dialog-card h2{font-size:28px;letter-spacing:-.05em;margin:0 0 18px}.dialog-close{position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;border:1px solid #3b4664;background:#11182a;color:#aeb7ca}.how-grid{display:grid;gap:7px;margin-bottom:15px}.how-grid div{display:grid;grid-template-columns:80px 1fr;gap:8px;align-items:center;border:1px solid #303c59;background:#11182a;border-radius:14px;padding:11px}.how-grid b{font-size:12px}.how-grid span{font-size:12px;color:#95a0b6}.how-grid div:nth-child(1) b{color:var(--lime)}.how-grid div:nth-child(2) b{color:var(--cyan)}.how-grid div:nth-child(3) b{color:var(--pink)}.how-grid div:nth-child(4) b{color:var(--orange)}.dialog-note{font-size:12px;line-height:1.7;color:#929db3;margin:0 0 18px}
.shake{animation:shake .28s linear}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-7px)}75%{transform:translateX(7px)}}
@media(max-height:760px){.arena{height:440px}.card-stack{height:205px}.situation{top:46px}.hero-visual{height:220px}.hero h1{font-size:52px}}
@media(min-width:720px){body{padding:20px 0}.app-shell{min-height:calc(100dvh - 40px);border:1px solid #293650;border-radius:32px;background:rgba(12,17,31,.55);box-shadow:0 40px 120px rgba(0,0,0,.34)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}