:root {
    /* --- Blue系 --- */
    --blue-100:#D4EBF7;
    --blue-200:#7EC2E7;
    --blue-300:#289AD7;
    --blue-400:#185C81;
    --blue-500:#081F2B;
  
    /* --- Purple系 --- */
    --purple-100:#E0CCFF;
    --purple-200:#B380FF;
    --purple-300:#8533FF;
    --purple-400:#5C00E6;
    --purple-500:#3D0099;
  
    /* --- Gold系 --- */
    --gold-100:#F6EAC6;
    --gold-200:#ECD283;
    --gold-300:#E1B941;
    --gold-400:#B9921D;
    --gold-500:#775E13;
  
    /* --- Gray系 --- */
    --gray-100:#F9F9F9;
    --gray-200:#EEEEEE;
    --gray-300:#B3B3B3;
    --gray-400:#4D4D4D;
    --gray-500:#000000;
  
    /* --- White --- */
    --white:#FFFFFF;
  }