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480px){.nico-widget-container{bottom:10px;right:10px;left:10px}.nico-chat-window{position:fixed;bottom:0;right:0;left:0;width:100%;height:100%;max-height:100vh;border-radius:0}.nico-chat-closed{position:fixed;bottom:0;right:0;left:0;width:100%;height:auto;border-radius:0}.nico-modal{width:95%;max-width:none;margin:16px}}