/* Updated: 2026-04-16 */
/* cases.html 専用スタイル */

.cases-page {
    background: #0a0e27;
}

.cases-hero {
    position: relative;
    min-height: 52vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #0a0e27 100%);
    overflow: hidden;
    padding: 130px 20px 70px;
}

.cases-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 48%, rgba(0, 212, 255, 0.18) 0%, transparent 52%),
        radial-gradient(circle at 82% 50%, rgba(168, 85, 247, 0.16) 0%, transparent 52%);
}

.cases-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 880px;
    margin: 0 auto;
}

.cases-eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #00d4ff;
    margin-bottom: 1rem;
}

.cases-title {
    font-size: clamp(2rem, 5vw, 4.2rem);
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 1rem;
    text-shadow: 0 0 45px rgba(0, 212, 255, 0.22);
}

.cases-lead {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.84);
    line-height: 1.9;
}

.cases-section {
    padding: 70px 0;
    background: #0f1419;
}

.cases-section-alt {
    background: #0a0e27;
}

.case-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 36px 32px;
    backdrop-filter: blur(8px);
}

.case-region {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.85rem;
    color: #00d4ff;
    margin-bottom: 0.9rem;
}

.case-heading {
    font-size: clamp(1.15rem, 2.4vw, 1.8rem);
    line-height: 1.55;
    color: #ffffff;
    margin-bottom: 1rem;
}



.case-summary {
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.85;
    margin-bottom: 1.35rem;
}

.case-card > img {
    width: 70%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    margin: 1.25rem auto;
}

.case-block {
    margin-top: 1rem;
    padding: 1rem 1.1rem;
    background: rgba(10, 14, 39, 0.55);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.12);
}

.case-block h3 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.case-block p {
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.8;
}

.cases-cta-section {
    padding: 80px 0 96px;
    background: #0f1419;
}

.cases-cta-section .cta-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.14), rgba(168, 85, 247, 0.14));
    border: 1px solid rgba(168, 85, 247, 0.28);
    border-radius: 20px;
    padding: 44px 30px;
    text-align: center;
}

.cases-cta-section .cta-text {
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.8;
    margin: 12px auto 24px;
    max-width: 700px;
}

@media (max-width: 768px) {
    .cases-hero {
        padding: 116px 18px 56px;
    }

    .case-card {
        padding: 24px 20px;
    }

    .cases-cta-section .cta-section {
        padding: 32px 20px;
    }

    .cases-cta-section .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    br {
        display: none;
    }
}