@media (min-width: 1000px) {
    
    .col2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .col3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .col4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .col5 {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (min-width: 500px) and (max-width: 999px) {
    .col2 {
        grid-template-columns: repeat(1, 1fr);
    }

    .col3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .col4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .col5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width:500px){
    .list-grid1{
        gap: 1rem;
    }
    #distribute,
    #questionnaire{
        font-size: 2rem;
    }
}

.thumbnails>.list{
    padding: 0;
}

.thumbnails> .list> .text{
    padding-left: 1rem;
    padding-right: 1rem;
}
.introduction_for_timetable{
    text-align: center;
    margin: 10px 0 5px;
}

.image-introduction_for_timetable{
    width: 50%;
}

@media screen and (max-width:600px) {
    .image-introduction_for_timetable{
    width: 90%;
    }
}

.small-btn{
    display: block;
    border-radius: 20px;
    width: 50%;
    margin: 0 auto;
    text-align: center;
    background-color: var(--primary-color);
    font-weight: 500;
    margin-top: 10%;
}

.small-btn a{
    color:white;
    text-decoration: none;
    display: block;
}