body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #f3f4f6;
}

.section-container {
    position: relative;
    overflow: hidden;
    /* 背景画像とオーバーレイの設定 */
    background: linear-gradient(rgba(61, 177, 229, 0.7), rgba(61, 86, 178, 0.9)), 
                url('https://images.unsplash.com/photo-1519681393784-d120267933ba?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    clip-path: url(#waveClip);
    margin-top: -50px;
    margin-bottom: -50px;
}

.pattern-overlay {
    background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    padding: 8rem 1rem;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.outline-title {
    color: transparent;
    -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.9);
    font-size: clamp(3.5rem, 10vw, 6.5rem);
    font-weight: 900;
    text-transform: uppercase;
    margin: 0 0 1rem;
    letter-spacing: 0.05em;
}

.sub-title-capsule {
    display: inline-block;
    background: white;
    border-radius: 9999px;
    padding: 0.8rem 3.5rem;
    border: 2px solid #1e3a8a;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    margin-bottom: 4.5rem;
    position: relative;
}

.sub-title-capsule p {
    color: #f97316;
    font-weight: 800;
    font-size: clamp(1.1rem, 3vw, 1.4rem);
    margin: 0;
}

.sub-title-capsule::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -9px;
    transform: translateX(-50%) rotate(45deg);
    width: 16px;
    height: 16px;
    background: white;
    border-right: 2px solid #1e3a8a;
    border-bottom: 2px solid #1e3a8a;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    position: relative;
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

.info-card {
    aspect-ratio: 1 / 1;
    background: white;
    border-radius: 2rem;
    border: 2px solid #1e3a8a;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.info-card:hover {
    transform: translateY(-8px) scale(1.02);
}

.info-card.bg-blue {
    background-color: #f0faff;
}

.card-icon {
    font-size: clamp(2rem, 5vw, 2.8rem);
    margin-bottom: 0.5rem;
}

.card-label {
    color: #1e3a8a;
    font-weight: 800;
    font-size: clamp(0.7rem, 2vw, 0.9rem);
    line-height: 1.3;
    margin-bottom: 0.4rem;
}

.card-note {
    color: #3d56b2;
    opacity: 0.8;
    font-size: 7px;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.card-number {
    color: #f97316;
    font-weight: 900;
    font-size: clamp(2rem, 6vw, 2.8rem);
    position: relative;
    z-index: 1;
    display: inline-block;
}

.card-number span {
    font-size: clamp(1rem, 3vw, 1.4rem);
    margin-left: 2px;
}

.card-number::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 6px;
    width: 100%;
    height: 10px;
    background-color: #ffeb3b;
    z-index: -1;
    border-radius: 5px;
    opacity: 0.8;
}

.footer-note {
    color: white;
    text-align: right;
    font-size: 0.75rem;
    margin-top: 2.5rem;
    opacity: 0.9;
    font-weight: 500;
}