/* ===========================
   Details Section Mobile Fix
   開催概要セクションのスマホ最適化
   =========================== */

/* Base Improvements */
.details {
    overflow-x: hidden;
}

.details-grid {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.detail-item {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .details {
        padding: 60px 0;
    }
    
    .details-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
        padding: 0 4px;
    }
    
    .detail-item {
        padding: 30px 20px !important;
        margin: 0 auto;
        max-width: 100%;
        width: 100%;
    }
    
    .detail-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    
    .detail-item h3 {
        font-size: 1.05rem !important;
        line-height: 1.4;
        margin-bottom: 10px;
        padding: 0 4px;
    }
    
    .detail-item p {
        font-size: 0.9rem !important;
        line-height: 1.65;
        padding: 0 4px;
    }
    
    .detail-price {
        font-size: 1.6rem !important;
    }
    
    .detail-note-inline {
        font-size: 0.85rem;
    }
    
    .detail-note {
        font-size: 0.8rem;
        line-height: 1.5;
    }
    
    /* Deadline Item Special Fix */
    .deadline-item {
        padding: 30px 18px !important;
    }
    
    .deadline-item h3 {
        font-size: 1.05rem !important;
    }
    
    .deadline-highlight {
        font-size: 1.1rem !important;
    }
    
    .deadline-highlight strong {
        font-size: 1.3rem !important;
        display: block;
        margin-bottom: 6px;
    }
}

@media (max-width: 480px) {
    .details-grid {
        padding: 0 2px;
    }
    
    .detail-item {
        padding: 25px 16px !important;
    }
    
    .detail-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .detail-item h3 {
        font-size: 1rem !important;
        padding: 0 2px;
    }
    
    .detail-item p {
        font-size: 0.85rem !important;
        padding: 0 2px;
    }
    
    .detail-price {
        font-size: 1.5rem !important;
    }
    
    .detail-note {
        font-size: 0.75rem;
    }
    
    /* Deadline Item Small Screen */
    .deadline-item {
        padding: 25px 14px !important;
    }
    
    .deadline-highlight strong {
        font-size: 1.2rem !important;
    }
}

@media (max-width: 360px) {
    .detail-item {
        padding: 20px 12px !important;
    }
    
    .detail-item h3 {
        font-size: 0.95rem !important;
    }
    
    .detail-item p {
        font-size: 0.8rem !important;
    }
    
    .detail-price {
        font-size: 1.4rem !important;
    }
}

/* Prevent Text Overflow */
.detail-item * {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    word-break: keep-all;
}