/* Hero: 背景画像上の文字を読みやすくする（トップ見出しを特に明確に） */
.hero-text-readability .hero-headline,
.hero-text-readability h1,
.hero-text-readability p,
.hero-text-readability li {
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 1), 0 4px 12px rgba(0, 0, 0, 0.9), 0 0 32px rgba(0, 0, 0, 0.5);
}
.hero-text-readability .hero-headline {
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.hero-text-readability .text-sm {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9), 0 2px 6px rgba(0, 0, 0, 0.7);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards;
}

.mission-text {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.3s;
}

.mission-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards 0.6s;
}

.scroll-text {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    color: white;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    z-index: 40;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .mission-title {
        font-size: 1.5rem;
    }
}