body{margin:0;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif}*{box-sizing:border-box}:root{--pipe-frame:oklch(32% .03 250);--pipe-tile:oklch(42% .03 250);--pipe-tile-hover:oklch(48% .04 250);--pipe-empty:oklch(36% .02 250);--pipe-casing:oklch(22% .02 250);--pipe-dry:oklch(72% .02 250);--pipe-water:oklch(70% .15 230);--pipe-start:oklch(62% .17 150);--pipe-goal:oklch(62% .2 25);--pipe-solution:oklch(88% .17 90);--pipe-block:oklch(55% .05 60);--pipe-block-mark:oklch(38% .04 60);--pipe-seal:oklch(86% .16 85);--pipe-seal-edge:oklch(55% .14 60)}