/* style.css */
body {
    font-family: 'Noto Sans JP', 'Montserrat', sans-serif;
    background-color: #ffffff;
    color: #1a1a1a;
    overflow-x: hidden;
}

.font-montserrat { font-family: 'Montserrat', sans-serif; }

/* Custom Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-button {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.header-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    border-bottom: 1px solid #eee;
}

.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#mobile-menu {
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.burger-line {
    transition: all 0.3s ease;
}
.menu-open .line1 { transform: translateY(6px) rotate(45deg); }
.menu-open .line2 { opacity: 0; }
.menu-open .line3 { transform: translateY(-6px) rotate(-45deg); }