.ska{position:fixed;inset:0;z-index:100;overflow-y:auto;background-color:var(--sk-ground);background-image:var(--sk-grain);color:var(--sk-ink);font-family:var(--font-pretendard,system-ui),system-ui,sans-serif;word-break:keep-all}.ska__sheet{max-width:760px;margin:0 auto;padding:max(20px,env(safe-area-inset-top)) max(20px,env(safe-area-inset-right)) max(32px,env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left))}.ska__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.ska__title{margin:0;font:700 1.75rem/1.2 var(--font-pretendard,system-ui),system-ui,sans-serif;letter-spacing:normal}.ska p{font-family:inherit;margin:0}.ska__lead{color:var(--sk-muted);font-size:1rem;line-height:1.6}.ska__total{font-size:1.0625rem}.ska__status,.ska__total{margin-top:8px;font-weight:600}.ska__status{min-height:1.5em;color:var(--sk-sun-ink);font-size:.9375rem;line-height:1.5}.ska__section{margin-top:24px}.ska__h{margin:0 0 8px;font:700 1.1875rem/1.3 var(--font-pretendard,system-ui),system-ui,sans-serif;letter-spacing:normal}.ska__muted{font-size:.9375rem}.ska__empty,.ska__muted{color:var(--sk-muted);line-height:1.6}.ska__empty{margin-top:24px;padding:16px;border:2px dashed var(--sk-line-strong);border-radius:16px}.ska__list{margin:0;padding-left:1.25rem;font-size:1rem;line-height:1.8}.ska__table{width:100%;border-collapse:collapse;font-size:.9375rem}.ska__table td,.ska__table th{padding:10px 8px;border-bottom:1px solid var(--sk-line);text-align:left;vertical-align:top}.ska__table thead th{color:var(--sk-muted);font-weight:600}.ska__table tbody th{font-weight:600}.ska__link{color:var(--sk-ink);text-decoration:underline;text-underline-offset:3px}.ska__foot{margin-top:32px}.ska__btn{min-height:48px;padding:0 20px;border:2px solid var(--sk-ink);border-radius:14px;background:#fff;color:var(--sk-ink);font:600 1rem/1 var(--font-pretendard,system-ui),system-ui,sans-serif;cursor:pointer;touch-action:manipulation}.ska__btn[data-danger]{background:var(--sk-ink);color:#fff}.ska__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.ska__confirm{padding:16px;border:2px solid var(--sk-line-strong);border-radius:16px;background:#fff;line-height:1.6}.ska__switch{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0;border:0;background:transparent;color:var(--sk-ink);font:600 1rem/1.2 var(--font-pretendard,system-ui),system-ui,sans-serif;cursor:pointer}.ska__track{position:relative;flex:none;width:52px;height:30px;border:2px solid var(--sk-ink);border-radius:15px;background:#fff}.ska__track:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--sk-ink);transition:transform .15s ease-out}[aria-checked=true]>.ska__track{background:var(--sk-sun)}[aria-checked=true]>.ska__track:after{transform:translateX(22px)}.ska :where(a,button):focus-visible{outline:3px solid var(--sk-focus);outline-offset:3px}@media (prefers-reduced-motion:reduce){.ska__track:after{transition:none}}.skh-home{display:flex;flex-direction:column;gap:clamp(12px,2.4vmin,20px);min-height:100dvh;max-width:1120px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) max(clamp(16px,3.6vmin,28px),env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(clamp(16px,3.6vmin,28px),env(safe-area-inset-left))}.skh-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.skh-main{display:flex;flex-direction:column}.skh-games,.skh-main{gap:clamp(14px,2.6vmin,22px)}.skh-games{display:grid}@media (min-width:900px) and (orientation:landscape){.skh-games{grid-template-columns:repeat(2,minmax(0,1fr))}}.skh-last{display:flex}.skh-last .skg-pill{text-decoration:none}.skh-heading{margin:0 0 10px;color:var(--sk-muted);font:600 1.25rem/1.2 var(--sk-font-display);letter-spacing:normal}.skh-tools__row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media (max-width:520px){.skh-tools__row{grid-template-columns:1fr}}.skh-art{display:grid;place-items:center}.skh-art[data-tone=sage]{background:var(--sk-sage-soft)}.skh-art[data-tone=sun]{background:var(--sk-sun-soft)}.skh-art__maths{position:relative;display:block;width:100%;height:100%}.skh-disc{position:absolute;display:grid;place-items:center;width:44%;aspect-ratio:1;border:3px solid var(--sk-ink);border-radius:50%;color:#fff;box-shadow:0 4px 0 var(--sk-press-ink)}.skh-disc .skg-icon{width:58%;height:58%}.skh-disc[data-sign=plus]{left:8%;top:8%;background:var(--sk-add)}.skh-disc[data-sign=minus]{left:42%;top:24%;background:var(--sk-sub)}.skh-card{display:inline-block;padding:4px 10px;border:2px solid var(--sk-ink);border-radius:8px;background:#fff;color:var(--sk-ink);font:600 clamp(.9375rem,2.6vmin,1.25rem)/1.1 var(--sk-font-display)}.skh-card--more{position:absolute;left:8%;bottom:8%}.skh-card--left{position:absolute;right:8%;bottom:3%}.skh-art__numbers{display:flex;flex-direction:column;align-items:center;gap:10px}.skh-art__cards,.skh-modes{display:flex;gap:8px}.skh-modes{flex-wrap:wrap;margin:0;padding:0;list-style:none}.skh-mode{position:relative;z-index:2;display:inline-flex;align-items:center;gap:1px;min-width:56px;min-height:48px;padding:0 10px;border:2px solid var(--sk-line);border-radius:14px;background:var(--sk-ground);text-decoration:none;touch-action:manipulation}.skh-mode .skg-icon{width:21px;height:21px;--sf:var(--sk-sun);--ss:var(--sk-sun-deep)}.skh-mode:hover{border-color:var(--sk-line-strong)}.skh-mode:focus-visible{outline:3px solid var(--sk-focus);outline-offset:3px}.skh-mode:active{transform:translateY(2px)}@media (prefers-reduced-motion:reduce){.skh-mode:active{transform:none}}.skh-games .skg-tile{grid-template-columns:minmax(0,clamp(112px,28vmin,240px)) minmax(0,1fr);min-height:0;padding:20px 24px 20px 20px}.skh-games .skg-tile__art{height:clamp(112px,26vmin,220px)}.study-kid .skh-games .skg-tile__sub{margin:6px 0 12px}@media (min-width:900px) and (orientation:landscape){.skh-games .skg-tile{grid-template-columns:minmax(0,1fr);align-content:start;gap:10px;padding:16px 20px}.skh-games .skg-tile__art{height:clamp(96px,13vh,140px)}.skh-games .skh-art__maths{width:auto;height:100%;aspect-ratio:1.45}.skh-games .skg-tenframe[data-size=sm]{--c:16px}.skh-games .skg-tile:has(.skg-tile__listen) .skg-tile__body{padding-right:0}}@media (max-width:599px){.skh-games .skg-tile{grid-template-columns:104px minmax(0,1fr);grid-template-areas:"art title" "art sub" "modes modes";align-items:start;column-gap:14px;row-gap:4px;padding:16px}.skh-games .skg-tile__art{grid-area:art;height:104px}.skh-games .skg-tile__body{display:contents}.skh-games .skg-tile__title{grid-area:title;align-self:end;padding-right:52px}.study-kid .skh-games .skg-tile__sub{grid-area:sub;align-self:start;margin:0}.skh-games .skh-modes{grid-area:modes;margin-top:10px}.skh-games .skg-tenframe[data-size=sm]{--c:12px;border-width:2.5px}.skh-games .skh-card{padding:2px 6px;font-size:.875rem}}