body {
    font-family: "Noto Sans JP", sans-serif;
    background: var(--color-surface);
    color: #1e293b;
    line-height: 1.7;
    overflow-x: hidden;
}

@media (min-width: 1024px) and (max-width: 1280px) {
    .logo {
        width: 235px;
    }
    .header-container {
        padding: 1.5rem 6px 1.5rem 6px;
    }
}

.font-display {
    font-family: "Zen Kaku Gothic New", sans-serif;
}

.gradient-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    overflow: hidden;
}
.gradient-mesh::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background:
        radial-gradient(
            circle at 20% 80%,
            rgba(37, 99, 235, 0.08) 0%,
            transparent 50%
        ),
        radial-gradient(
            circle at 80% 20%,
            rgba(0, 229, 255, 0.08) 0%,
            transparent 50%
        );
    animation: gradientShift 20s ease-in-out infinite;
}
@keyframes gradientShift {
    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(5%, 5%) rotate(120deg);
    }
    66% {
        transform: translate(-5%, -5%) rotate(240deg);
    }
}
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.hero {
    padding: 160px 0 80px;
    text-align: center;
}

.aru-aru-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.tl-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 2.5rem;
}

.tl-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--color-secondary);
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: bold;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    border-top: 4px solid var(--color-secondary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.btn-primary {
    background: var(--color-secondary);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 0.5rem;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 99, 235, 0.2);
}