main {
    padding: 3rem 1.5rem;
}

.section1, .section2 {
    text-align: center;
}

.section1 .s2, .section2 .s2 {
    font-size: 2rem;
    font-weight: 600;
    color: #0f81c8;
    margin-bottom: 15px;
    display: block;
}

.section1 p, .section2 p {
    font-size: 1.8rem;
    color: #646464;
    font-weight: 400;
    line-height: 1.3;
}

.banner {
    width: 80%;
    margin-top: 3rem;
}

.section1 .btn_group {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.section1 .btn_group a {
    display: flex;
    align-items: center;
    width: 100%;
    box-shadow: rgb(200 217 227 / 84%) 0px 0px 0.25em, rgb(200 227 209 / 84%) 0px 0.25em 1em;
    text-decoration: none;
    justify-content: space-between;
    padding: 1.5rem 3rem;
    border-radius: 1rem;
    font-weight: 600;
}

.section1 .btn_group a .left {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.section1 .btn_group a span {
    font-size: 1.8rem;
    font-weight: 500;
    color: #333;
    font-weight: 600;
}

.section1 .btn_group a .icon {
    width: 50px;
    height: auto;
}

.section1 .btn_group a .arrow {
    width: 8%;
}

.section2, .section3 {
    margin-top: 5rem;
}

.section2 .btn_group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.section2 .btn_group a {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: calc(50% - 5px);
    box-shadow: rgb(200 217 227 / 84%) 0px 0px 0.25em, rgb(200 227 209 / 84%) 0px 0.25em 1em;
    text-decoration: none;
    justify-content: center;
    padding: 1.5rem 3rem;
    border-radius: 1rem;
}

.section2 .btn_group a span {
    font-size: 1.8rem;
    line-height: 1.3;
    font-weight: 600;
}

.section2 .btn_group a .icon {
    width: auto;
    height: 30%;
    margin-bottom: 1.5rem;
}

.section3 .top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section3 .top h2 {
    font-size: 2rem;
    font-weight: 600;
}

.section3 .top a {
    font-size: 1.7rem;
    color: #646464;
    border: 1px solid #0f81c8;
    padding: .5rem 1rem;
    box-shadow: rgb(99 150 180 / 33%) 0px 4px 6px -1px, rgba(0, 0, 0, 0.06) 0px 2px 4px -1px;
    border-radius: 3rem;
}

.qna {
    border: 1px solid #ddd;
    margin-bottom: 1.5rem;
    border-radius: 1rem;
}

.qna .q {
    font-size: 1.8rem;
    font-weight: 600;
    padding: 2rem 1.5rem;
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    line-height: 1.3;
    padding-right: 3rem;
    background-color: #f5f7fa;
    border-radius: 1rem;
}

.qna.on .q {
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
}

.qna .q::after {
    content: '';
    background-image: url('../img/arrow-3.png');
    background-size: contain;
    background-repeat: no-repeat;
    position: absolute;
    width: 1.5rem;
    height: 1.5rem;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
}

.qna.on .q::after {
    background-image: url('../img/arrow-2.png');
}

.qna.on .a {
    font-size: 1.8rem;
    display: block;
    padding: 1.5rem;
}

.qna .a {
    display: none;
    line-height: 1.5;
}