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textarea{scroll-margin-top:calc(var(--stage-h) + 16px)}.canvas-area:before{content:none}}@media (max-width:860px){:root{--stage-h:max(42vh,220px)}@supports (height:1dvh){:root{--stage-h:max(42dvh,220px)}}.stone-title{font-size:28px}.step-head button{gap:10px;padding:14px}.step-title{letter-spacing:.1em}.step-body{padding:4px 14px 20px}.btn{padding:8px 12px;min-height:44px}.icon-btn{width:44px;height:44px}}@media (max-width:1120px) and (max-height:560px){:root{--stage-h:0px}.canvas-area{position:relative;height:70vh;min-height:260px;padding-bottom:12px}}