:root {
  /* Kumagawa brand color system — visual design is maintained separately. */
  --color-ink: #2f4243;
  --color-navy: #1d5876;
  --color-navy-deep: #123f5c;
  --color-blue: #79b9cc;
  --color-cyan: #a9e2e6;
  --color-aqua: #8ccdcf;
  --color-paper: #f0f2e8;
  --color-paper-blue: #e5f0f0;
  --color-white: #fbfcf7;
  --color-muted: #718184;
  --color-line: rgba(47, 66, 67, .18);
  --color-black: #101820;
  --color-image-overlay: rgba(15, 57, 79, .66);
}