.line-section, .sns-section, .email-section{
    width: 100%;
    max-width: 1000px;
    padding: 20px;
    margin: auto;
    text-align: center;
    border: solid 4px black;
}

.line-section {
    background: #e8f5e9;
    border-bottom: none;
}
.email-section{
    border-top: none;
    border-bottom: none;
}
.sns-section{
    background-color: #dddddd;
    border-top: none;
}

.line-section h2{
    border-left: none;
    margin-bottom: 10px;
}

.line-btn {
    display: flex;
    line-height: 50px;
    font-size: 18px;
    background: #00c300;
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 999px;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    width: fit-content;
    margin:auto;
    margin-top: 1rem;
}
.line-btn:hover {
    scale: 1.05;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}
.line-btn img{
    width: 50px;
    height: 50px;
    margin-right: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.5);
}


.sns-buttons{
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}
.sns-buttons a img{
    width: 60px;
    height: 60px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}
.sns-buttons a img:hover {
    scale: 1.05;
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

@media screen and (max-width: 767px) {
    .line-section, .sns-section, .email-section {
        width: unset;
        max-width: 92vw;
        padding: 8vw 2vw;
        border-width: 3px;
        margin: auto 2vw;
    }

    .line-section h2,
    .sns-section h2,
    .email-section h2 {
        font-size: 6vw;
    }

    .line-btn {
        width: 100%;
        justify-content: center;
        gap: 4vw;
        line-height: normal;
        font-size: 4.6vw;
        padding: 4vw 0vw;
        align-items: center;
    }

    .line-btn img {
        width: 14vw;
        height: 14vw;
        margin-right: 0;
    }

    .sns-buttons {
        flex-wrap: wrap;
        gap: 6vw;
    }

    .sns-buttons a img {
        width: 14vw;
        height: 14vw;
    }

    .email-section p,
    .sns-section p,
    .line-section p {
        font-size: 4.4vw;
    }
    .line-section p{
        padding: 6vw 0;
    }
}