@media (min-width: 641px) {
    #talk_body .txt_box .pic {
        width: 85%;
        margin: 0 auto 5px auto;
    }
}

@media (max-width: 640px) {
    #talk_body .txt_box .pic {
        width: 100%;
        margin: 0 auto calc(5 / 640 * 100vw) auto;
    }
}

@media (min-width: 641px) {
    #talk_body .txt_box {
        max-width: 700px;
        padding: 30px;
        margin: 20px auto 10px auto;
        box-sizing: border-box;
    }
}

@media (max-width: 640px) {
    #talk_body .txt_box {
        max-width: 480px;
        padding: 15px 15px 35px 15px;
        margin: calc(20 / 640 * 100vw) auto calc(10 / 640 * 100vw) auto;
        box-sizing: border-box;
    }
}

@media (min-width: 641px) {
    #talk_body .pic img {
        width: 80%;
        margin: auto;
    }
}

@media (min-width: 641px) {
    #talk_body .pic {
        max-width: 620px;
        margin: 0 auto 10px auto;
        text-align: center;
    }
}

@media (min-width: 641px) {
    #talk_body .pic.v {
        max-width: 480px;
        padding: 0 0 40px;
    }
}

@media (max-width: 640px) {
    #talk_body .pic {
        max-width: 480px;
        margin: 0 auto 10px auto;
        text-align: center;
    }
}

@media (max-width: 640px) {
    #talk_body .pic.v {
        max-width: 480px;
        padding: 0 0 30px;
    }
}