/* CSS Custom Properties */
:root {
    --color-primary: #4a9eff;
    --color-primary-light: #66b3ff;
    --color-primary-lighter: #80ccff;
    --color-primary-rgb: 74, 158, 255;
    --color-bg: #0a0a0a;
    --color-bg-rgb: 10, 10, 10;
    --color-text: #e8e8e8;
    --color-text-muted: #b8b8b8;
    --color-text-faint: #999;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    position: relative;
}

body.loading {
    overflow: hidden;
}

html {
    scroll-behavior: smooth;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Scrollbar customization */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-light);
}

/* Language switching based on body class */
body.lang-jp .en {
    display: none !important;
}

body.lang-jp .jp {
    display: block !important;
}

body.lang-en .en {
    display: block !important;
}

body.lang-en .jp {
    display: none !important;
}

/* Main Content */
main {
    padding-top: 80px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    main {
        padding-top: 120px;
    }
}