body {
    font-family: 'Noto Sans JP', sans-serif;
    color: #1e293b;
    background-color: #f8fafc;
}
.font-montserrat {
    font-family: 'Montserrat', sans-serif;
}
/* キャンペーンセクションのグラデーション */
.campaign-card {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 3px solid #f59e0b;
    position: relative;
    overflow: hidden;
}
.campaign-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.13);
    transform: rotate(45deg);
    pointer-events: none;
}
/* フローティングCTA 表示/非表示 */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.floating-cta.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
/* スムーズスクロール */
html {
    scroll-behavior: smooth;
}
/* --- INTRODUCTION 調整用 --- */
.intro-paragraph {
    font-size: 1.05rem;           
    line-height: 1.85;            
    letter-spacing: 0.04em;       
    color: #334155;               
    text-align: justify;          
    margin-bottom: 1.5rem;       
}

@media (max-width: 768px) {
.intro-paragraph {
    font-size: 0.95rem;       
    line-height: 1.75;
    text-align: left;         
}
}