/* Modern CSS Reset - Optimized for Performance */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Font loaded enhancement */
.fonts-loaded body {
    font-family: 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Remove focus outline for mouse users */
.no-focus-outline *:focus {
    outline: none;
}

/* Restore focus outline for keyboard users */
.focus-outline-visible *:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Performance optimizations */
img, picture, svg, video {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}