.lucky-koi-board{aspect-ratio:16/9;width:min(100%, var(--stage-w), calc((max(0px, var(--stage-h) - 148px)) * 16 / 9));margin-inline:auto}@media (max-height:500px) and (orientation:landscape){.lucky-koi-board{width:min(100%, var(--stage-w), calc((max(0px, var(--stage-h) - 124px)) * 16 / 9))}.lucky-koi-keys{display:none}}