:root{
  --red:#d23f31; --red-deep:#a52b21; --white:#fbf7ee; --ink:#3b332a; --soft:#7a7064; --mute:#a39888;
  --line:#e9e2d4; --cream:#fffdf8; --marker:#ffd43b; --night:#2b2943; --night-deep:#1b1a2e; --glow:#ffb547;
  --font:"Hiragino Maru Gothic ProN","ヒラギノ丸ゴ ProN W4","Zen Maru Gothic","Hiragino Sans","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{font-family:var(--font);color:var(--ink);background:var(--cream);-webkit-text-size-adjust:100%}
button{font:inherit;cursor:pointer;border:0}
.hidden{display:none !important}