:root{--fs-1: clamp(14px, 2.6vw, 16px);--fs-2: clamp(16px, 3.2vw, 18px);--fs-3: clamp(18px, 3.8vw, 20px);--fs-4: clamp(24px, 5.2vw, 32px);--radius-1: 14px;--radius-2: 18px;--radius-3: 22px;--shadow-1: 0 10px 30px rgba(0, 0, 0, .08);--panel-bg: rgba(255, 255, 255, .85);--panel-border: rgba(0, 0, 0, .06);--text-1: #0f172a;--text-2: rgba(15, 23, 42, .72);--tab-h: 78px;--tabs-gap: 18px}.screen{height:100dvh;display:flex;flex-direction:column;padding:var(--sp-pad);background:#f6f7fb;overflow:hidden}.settings{position:fixed;top:calc(12px + env(safe-area-inset-top));right:12px;width:var(--tap-h-mini);height:var(--tap-h-mini);border-radius:14px;border:1px solid var(--panel-border);background:#ffffffe6;box-shadow:var(--shadow-1);display:grid;place-items:center;font-size:18px;cursor:pointer}.hero{padding-top:40px;margin-bottom:14px}.hero__title{font-size:var(--fs-4);font-weight:800;letter-spacing:-.02em;margin:0 0 8px}.hero__sub{font-size:var(--fs-2);color:var(--text-2);margin:0}.panel{margin-top:12px;border-radius:20px;padding:14px;box-shadow:var(--shadow);flex:1 1 auto;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(14px + var(--tab-h) + env(safe-area-inset-bottom) + 12px)}.panel__title{font-size:var(--fs-3);font-weight:800;margin:6px 4px 12px;letter-spacing:-.01em}.msg{font-size:var(--fs-2);padding:12px;border-radius:var(--radius-2);background:#0f172a0f;color:var(--text-1);margin:10px 0 12px}.msg--error{background:#ff005014;border:1px solid rgba(255,0,80,.18)}.stack{display:grid;gap:12px}@media(min-width:430px){.stack{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}.grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.gbtn__icon{display:none}.grid2 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var(--panel-border);background:#0f172a0a;display:grid;place-items:center;gap:2px;cursor:pointer}.tabs__item.is-active{background:#2e7cf61f;border-color:#2e7cf638}.tabs__icon{font-size:20px;line-height:1}.tabs__label{font-size:var(--fs-1);font-weight:700;color:#0f172ad9}.gradeScreen{padding:18px;padding-bottom:calc(88px + env(safe-area-inset-bottom));max-width:860px;margin:0 auto}.gradeHero{padding:10px 4px 18px}.gradeTitle{font-size:clamp(24px,6vw,34px);line-height:1.1;letter-spacing:.2px;margin:0 0 8px}.gradeSub{margin:0;opacity:.75;font-size:clamp(13px,3.6vw,16px)}.gradeGrid{display:grid;gap:12px;margin-top:16px}@media(min-width:520px){.gradeGrid{grid-template-columns:repeat(3,1fr)}}.gradeCard{position:relative;border-radius:20px;padding:16px 16px 14px;min-height:108px;border:1px solid rgba(0,0,0,.08);background:#ffffffb8;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 12px 30px 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#fb7185}.gradeCard[data-grade="4"]:hover,.gradeCard[data-grade="3"]:hover,.gradeCard[data-grade="2"]:hover{border-color:#00000024}.backMini{margin-top:12px;display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:10px 12px;border:1px solid rgba(0,0,0,.1);background:#ffffffb3}:root{--fs-1: clamp(14px, 2.6vw, 16px);--fs-2: clamp(16px, 3.2vw, 18px);--fs-3: clamp(18px, 3.8vw, 20px);--fs-4: clamp(28px, 6vw, 36px);--fs-5: clamp(42px, 10vw, 56px);--radius-2: 18px;--radius-3: 22px;--shadow: 0 12px 30px rgba(0, 0, 0, .12)}.result{min-height:100vh;padding:20px 16px calc(24px + env(safe-area-inset-bottom));padding-bottom:calc(94px + env(safe-area-inset-bottom));background:#f6f7fb;color:#0f172a;display:flex;flex-direction:column}.result__title{font-size:var(--fs-4);font-weight:800;margin:0 0 18px;letter-spacing:-.02em}.result__score{background:#fff;border-radius:var(--radius-3);padding:20px 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