:root{font-family:Hiragino Sans,Yu Gothic,Meiryo,system-ui,sans-serif;color:#302814;background:#fff4a3;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html,body,#app{width:100%;min-height:100%;margin:0}body{min-height:100dvh;overflow:hidden;touch-action:none}button{font:inherit}.game-shell{width:100%;max-width:520px;height:100dvh;min-height:620px;margin:0 auto;display:grid;grid-template-rows:auto 1fr auto;padding:max(10px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom));gap:10px}.topbar{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.meter{min-width:0;padding:8px 6px;border:2px solid #271c10;border-radius:8px;background:#fff;box-shadow:0 3px #271c10;text-align:center}.meter span{display:block;font-size:11px;font-weight:800;color:#7c5f1e}.meter strong{display:block;margin-top:1px;font-size:clamp(20px,7vw,34px);line-height:.95}.time{background:#ffe264}.stage{position:relative;min-height:0;border:3px solid #271c10;border-radius:8px;overflow:hidden;background:#fff8cf;box-shadow:0 5px #271c10}#game-canvas{display:block;width:100%;height:100%;touch-action:none}.panel{position:absolute;inset:auto 16px 22px;display:grid;gap:10px;justify-items:center;padding:18px 16px;border:3px solid #271c10;border-radius:8px;background:#fffffff0;box-shadow:0 5px #271c10;text-align:center}.panel.hidden{display:none}.eyebrow{margin:0;font-size:12px;font-weight:900;letter-spacing:.08em;color:#bd7d00}h1,h2,.panel p{margin:0}h1{font-size:clamp(23px,7vw,34px);line-height:1.08}h2{font-size:clamp(22px,6vw,30px)}.panel p:not(.eyebrow){max-width:29rem;font-size:14px;font-weight:700;line-height:1.55}.primary-button{min-width:148px;border:3px solid #271c10;border-radius:8px;padding:12px 18px;background:#ffcc21;box-shadow:0 4px #271c10;color:#271c10;font-weight:950}.primary-button:active{transform:translateY(3px);box-shadow:0 1px #271c10}.tools{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.tool{min-width:0;min-height:66px;border:2px solid #271c10;border-radius:8px;padding:7px 4px 6px;background:#fff;box-shadow:0 4px #271c10;color:#2e2718;font-size:12px;font-weight:900}.tool.active{background:#3fd6bd;color:#071f1c;transform:translateY(2px);box-shadow:0 2px #271c10}.tool-icon{display:block;width:38px;height:34px;margin:-2px auto 2px;background-image:url(/assets/onikin-asset-sheet.png);background-repeat:no-repeat;background-size:414.72px 276.48px;filter:drop-shadow(0 1px 0 rgba(0,0,0,.22))}.tool-icon-brush{background-position:-21.6px -133.65px}.tool-icon-drill{background-position:-81px -133.65px}.tool-icon-spray{background-position:-21.6px -175.5px}.tool-icon-fill{background-position:-20.25px -217.35px}@media(max-height:690px){.game-shell{min-height:540px;gap:8px;padding-top:8px;padding-bottom:8px}.tool{min-height:58px;font-size:11px}.tool-icon{width:34px;height:30px}.panel{inset:auto 12px 14px;padding:14px 12px}}