/* General Reset & Base */
body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #F9F9F9; /* Group Color 3 */
    color: #1A1A1A;            /* Group Color 2 */
    overflow-x: hidden;
}

/* Typography */
.font-en {
    font-family: 'Montserrat', sans-serif;
}

/* Hero Section Animation */
.hero-bg {
    background-color: #1A1A1A;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 240, 255, 0.1) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 128, 0.1) 0%, transparent 20%);
    position: relative;
    overflow: hidden;
}

.hero-text-outline {
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
}

/* Custom Utilities */
.glass-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.service-card {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* "Do it!!" Accent Animations */
.do-it-underline {
    position: relative;
    display: inline-block;
}
.do-it-underline::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #00F0FF, #FF0080);
    transition: width 0.6s ease;
}
.do-it-underline.in-view::after {
    width: 100%;
}

/* Mobile Menu */
#mobile-menu {
    transition: transform 0.3s ease-in-out;
    transform: translateX(100%);
}
#mobile-menu.open {
    transform: translateX(0);
}

/* Scroll Animation Classes */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}