:root {
  color-scheme: light;
  --bg:#fffaf2; --paper:#fffdf8; --ink:#3e3228; --muted:#7d7064;
  --line:#e3d5c2; --accent:#7c5a3b; --accent-soft:#efe4d6; --danger:#a43d35;
  --success:#2f6d49; --shadow:0 10px 28px rgba(65,46,30,.10);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",sans-serif}
button,input,select{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.45}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em}
img{max-width:100%;display:block}