body {
  font-family: 'A1 Gothic R';
}

#talk_body .product_detail1 .txt_box {
  margin: 0 auto;
}
#talk_body .product_detail1 .txt_box .desc {
  max-width: calc(100% - 120px);
}
#talk_body .product_detail1 {
  border: 2px solid #000000;
  max-width: 560px;
  margin-inline: auto;
}

@media(max-width: 640px) {
  #talk_body .product_detail1 .txt_box .desc {
    max-width: 96%;
  }
}