:root{--sky-top: #f6d9cb;--sky-bottom: #cfe6e8;--card: #f4ede1;--card-edge: #d3c2b0;--ink: #3f4462;--ink-soft: #6b6f86;--accent: #e0714f;--accent-soft: #f2b9a2;--focus: #6e8cc0;--radius: 22px;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;height:100%}body{background:linear-gradient(180deg,var(--sky-top),var(--sky-bottom)) fixed;color:var(--ink);font-family:Atkinson Hyperlegible,system-ui,sans-serif;font-size:20px;line-height:1.4;-webkit-font-smoothing:antialiased}#app,.app{height:100%}.screen{min-height:100%;padding:16px max(16px,env(safe-area-inset-right)) 32px max(16px,env(safe-area-inset-left));max-width:900px;margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px}h1{font-size:1.6rem;letter-spacing:.04em;margin:0}h2{font-size:1.4rem;font-weight:700;margin:24px 0 16px}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,select:focus-visible{outline:4px solid var(--focus);outline-offset:3px}button:disabled{cursor:default;opacity:.55}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.round,.language select{min-height:52px;min-width:52px;border-radius:999px;border:2px solid var(--card-edge);background:var(--card);padding:0 16px;font-size:1.1rem}.round{font-size:1.6rem;padding:0}.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:16px}.avatar{display:grid;place-items:center;gap:4px;min-height:132px;padding:12px;border:0;border-radius:var(--radius);background:var(--card);box-shadow:0 6px 0 var(--card-edge)}.avatar>span:first-child{font-size:3rem;line-height:1}.avatar-name{font-size:1rem;color:var(--ink-soft)}.avatar.new>span:first-child{color:var(--accent)}.islands{list-style:none;padding:0;margin:0;display:grid;gap:16px}.island{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:88px;padding:16px 24px;border:0;border-radius:var(--radius);background:var(--card);box-shadow:0 6px 0 var(--card-edge);text-align:left}.island-name{font-size:1.3rem;font-weight:700}.island-progress{color:var(--ink-soft)}@media(prefers-reduced-motion:no-preference){.avatar,.island{transition:transform .16s ease,box-shadow .16s ease}.avatar:active,.island:active:not(:disabled){transform:translateY(4px);box-shadow:0 2px 0 var(--card-edge)}}.level{position:relative;height:100%;overflow:hidden}.level-bar{position:absolute;top:0;left:0;right:0;z-index:1;padding:max(12px,env(safe-area-inset-top)) 16px 0;pointer-events:none}.level-bar>*{pointer-events:auto}.level-title{font-weight:700;color:var(--ink-soft)}.stage{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:manipulation}.panel{position:absolute;z-index:1;left:50%;bottom:max(12px,env(safe-area-inset-bottom));width:min(640px,calc(100% - 24px));transform:translate(-50%);padding:16px;border-radius:var(--radius);background:color-mix(in srgb,var(--card) 86%,transparent);box-shadow:0 6px 0 var(--card-edge);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;gap:12px;justify-items:center}.message{margin:0;min-height:2.8em;text-align:center;font-size:1.15rem}.big{min-height:64px;min-width:64px;padding:0 24px;border:0;border-radius:999px;background:var(--card);box-shadow:0 5px 0 var(--card-edge);font-size:1.5rem;font-weight:700}.big.primary{background:var(--accent);color:#fff;box-shadow:0 5px #b9563a}.hint{min-height:48px;padding:0 20px;border:2px solid var(--card-edge);border-radius:999px;background:transparent}.row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.count{margin:0;font-size:1.4rem;font-weight:700}.choices{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.choice{display:grid;justify-items:center;gap:6px;min-width:96px;min-height:96px;padding:10px;border:0;border-radius:18px;background:#fff;box-shadow:0 5px 0 var(--card-edge)}.choice-number{font-size:1.8rem;font-weight:700}.mini-frame{display:grid;grid-template-columns:repeat(5,12px);gap:3px}.mini-frame .cell{width:12px;height:12px;border-radius:50%;border:1.5px solid var(--card-edge)}.mini-frame .cell.on{background:var(--ink);border-color:var(--ink)}.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 18px;border-radius:999px;border:2px solid var(--card-edge);background:var(--card);font-size:1rem;cursor:pointer}.pill:has(input:focus-visible){outline:4px solid var(--focus);outline-offset:3px}.pill.danger{background:var(--accent);border-color:var(--accent);color:#fff}.grownups h1{font-size:1.4rem}.card{margin:20px 0;padding:4px 20px 16px;border-radius:var(--radius);background:var(--card);box-shadow:0 6px 0 var(--card-edge)}.card h2{margin:16px 0 8px;font-size:1.25rem}.card h3{margin:12px 0 8px;font-size:1.15rem}.muted{color:var(--ink-soft)}.setting{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}.setting+.setting{border-top:1px solid var(--card-edge)}.setting input[type=checkbox]{width:28px;height:28px;accent-color:var(--focus)}.setting select{min-height:48px;border-radius:12px;border:2px solid var(--card-edge);background:#fff;font:inherit;font-size:1rem;padding:0 10px}.hold{position:relative;overflow:hidden;display:block;width:min(100%,420px);min-height:72px;margin:24px 0;border:2px solid var(--card-edge);border-radius:999px;background:var(--card);font-size:1.2rem;font-weight:700;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:none}.hold-fill{position:absolute;inset:0 auto 0 0;background:var(--accent-soft)}.hold-label{position:relative}.child{padding:8px 0 16px}.child+.child{border-top:1px solid var(--card-edge)}.report ul{margin:0 0 8px;padding-left:1.2em}.report li{margin:4px 0}.nickname{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin:12px 0}.nickname label{display:grid;gap:4px;font-size:1rem}.nickname input{min-height:48px;border-radius:12px;border:2px solid var(--card-edge);padding:0 12px;font:inherit;background:#fff}.confirm p{margin:8px 0;font-weight:700}.row.start{justify-content:flex-start}.tips{list-style:none;margin:0;padding:0;display:grid;gap:12px}.tips p{margin:4px 0 0}.break{display:grid;justify-items:center;align-content:center;text-align:center;gap:8px}.break-art{font-size:4rem;line-height:1}.break p{max-width:28em;margin:0 0 16px}.screen-foot{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px}.quiet-link{color:var(--ink-soft);font-size:.85rem}.blocks-panel{display:grid;gap:12px;justify-items:center}.block-group{display:flex;gap:8px}.rod-icon{display:inline-block;width:7px;height:26px;margin-left:6px;border-radius:2px;background:var(--accent);vertical-align:middle}.cube-icon{display:inline-block;width:13px;height:13px;margin-left:6px;border-radius:2px;background:var(--accent-soft);border:2px solid var(--accent);vertical-align:middle}.place-bar{display:flex;align-items:flex-end;gap:2px;height:28px}.place-bar .ten{width:4px;height:28px;border-radius:1px;background:var(--ink)}.place-bar .one{width:4px;height:4px;border-radius:1px;background:var(--ink)}.pattern{display:grid;gap:12px;justify-items:center}.stones{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center}.stone{display:grid;place-items:center;min-width:46px;height:46px;padding:0 6px;border-radius:999px;background:#fff;box-shadow:0 3px 0 var(--card-edge);font-weight:700}.stone.gap{background:transparent;box-shadow:none;border:2px dashed var(--card-edge);color:var(--ink-soft)}.stone.current{border:4px solid var(--focus);color:var(--ink)}.jump{font-size:.85rem;color:var(--ink-soft)}