:root {
    --bs-blue: #3f53b3;
    --bs-indigo: #6610f2;
    --bs-purple: #6f42c1;
    --bs-pink: #d63384;
    --bs-red: #dc3545;
    --bs-orange: #fd7e14;
    --bs-yellow: #ffc107;
    --bs-green: #198754;
    --bs-teal: #20c997;
    --bs-cyan: #0dcaf0;
    --bs-black: #000;
    --bs-white: #fff;
    --bs-gray: #6c757d;
    --bs-gray-dark: #343a40;
    --bs-gray-100: #f8f9fa;
    --bs-gray-200: #e9ecef;
    --bs-gray-300: #dee2e6;
    --bs-gray-400: #ced4da;
    --bs-gray-500: #adb5bd;
    --bs-gray-600: #6c757d;
    --bs-gray-700: #495057;
    --bs-gray-800: #343a40;
    --bs-gray-900: #212529;
    --bs-primary: #3f53b3;
    --bs-secondary: #5c5c5c;
    --bs-success: #198754;
    --bs-info: #0dcaf0;
    --bs-warning: #ffc107;
    --bs-danger: #dc3545;
    --bs-light: #f8f9fa;
    --bs-dark: #212529;
    --bs-primary-rgb: 13, 110, 253;
    --bs-secondary-rgb: 108, 117, 125;
    --bs-success-rgb: 25, 135, 84;
    --bs-info-rgb: 13, 202, 240;
    --bs-warning-rgb: 255, 193, 7;
    --bs-danger-rgb: 220, 53, 69;
    --bs-light-rgb: 248, 249, 250;
    --bs-dark-rgb: 33, 37, 41;
    --bs-white-rgb: 255, 255, 255;
    --bs-black-rgb: 0, 0, 0;
    --bs-body-color-rgb: 33, 37, 41;
    --bs-body-bg-rgb: 255, 255, 255;
    --bs-font-sans-serif: "Noto Sans JP", "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --bs-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    --bs-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0));
    --bs-body-font-family: 'Noto Sans JP', sans-serif;
    --bs-body-font-size: 1rem;
    --bs-body-font-weight: 400;
    --bs-body-line-height: 1.5;
    --bs-body-color: #212529;
    --bs-body-bg: #fff;
    --bs-border-width: 1px;
    --bs-border-style: solid;
    --bs-border-color: #dee2e6;
    --bs-border-color-translucent: rgba(0, 0, 0, 0.175);
    --bs-border-radius: 0.375rem;
    --bs-border-radius-sm: 0.25rem;
    --bs-border-radius-lg: 0.5rem;
    --bs-border-radius-xl: 1rem;
    --bs-border-radius-2xl: 2rem;
    --bs-border-radius-pill: 50rem;
    --bs-link-color: #3f53b3;
    --bs-link-hover-color: #B3505F;
    --bs-code-color: #d63384;
    --bs-highlight-bg: #fff3cd;
}