@media screen and (max-width: 680px) {
  .only_pc {
    display: none;
  }
  .only_mo {
    display: block;
  }

  body,
  button,
  p,
  span {
    letter-spacing: -0.05em;
  }

  /* typography */
  .h1 {
    font-size: 16px;
    line-height: 16px;
  }
  .h2 {
    font-size: 14px;
    line-height: 19px;
  }
  .h2.bold {
    line-height: 19px;
  }
  .h3 {
    font-size: 13px;
    line-height: 13px;
  }
  .h4 {
    font-size: 14px;
    line-height: 18px;
  }
  .h4.ext_bold {
    line-height: 20px;
  }
  .h5 {
    font-size: 13px;
    line-height: 18px;
  }
  .caption1 {
    font-size: 12px;
    line-height: 16px;
  }
  .caption1.bold.btitle {
    line-height: 13px;
  }
  .caption2 {
    font-size: 11px;
    line-height: 14px;
  }
  .caption3 {
    font-size: 10px;
    line-height: 13px;
  }

  /* fixed_top_button */
  .fixed_top_button {
    height: 82px;
    box-shadow: 0px 8px 32px 0px #00000059;
  }
  .fxd_btn_inner {
    width: 360px;
    padding: 14px 16px 14px 20px;
  }
  .fxd_btn_txt {
    width: 181px;
    height: 45px;
  }
  .fxd_btn {
    width: 117px;
    height: 61px;
    border-radius: 10px;
  }
  .fxd_btn > img {
    width: 94px;
    height: 31px;
  }

  /* main */
  .main {
    height: 772px;
    margin-top: 82px;
  }
  .kv_img_1 {
    width: 67px;
    height: 114px;
    top: 108px;
    left: calc(50% - 170px);
  }
  .kv_img_2 {
    width: 47px;
    height: 58px;
    top: 75px;
    right: calc(50% - 168px);
  }
  .kv_img_3 {
    width: 145px;
    height: 150px;
    top: 231px;
    left: calc(50% - 232px);
  }
  .kv_img_4 {
    width: 122px;
    height: 101px;
    top: 222px;
    right: calc(50% - 228px);
  }
  .kv_img_5 {
    width: 146px;
    height: 139px;
    top: 329px;
    right: calc(50% - 230px);
  }
  .img-coin-1 {
    width: 35px;
    height: 36px;
    top: 110px;
    left: calc(50% - 106px);
  }
  .img-coin-2 {
    width: 18px;
    height: 33px;
    top: 24px;
    right: calc(50% - 117px);
  }

  .kv_title_wrap {
    width: 173px;
    height: 83px;
    top: 42px;
    left: calc(50% - 79px);
    gap: 8px;
  }
  .title_line {
    width: 94px;
    height: 3px;
    bottom: -2px;
    left: 85px;
  }
  .kv_deco_1 {
    width: 14px;
    height: 15px;
    top: 41px;
    left: calc(50% - 100px);
  }
  .kv_deco_2 {
    width: 46px;
    height: 74px;
    top: 133px;
    left: calc(50% + 86px);
  }
  .kv_deco_3 {
    width: 14px;
    height: 23px;
    top: 174px;
    left: calc(50% - 84px);
  }
  .kv_deco_4 {
    width: 13px;
    height: 17px;
    top: 256px;
    left: calc(50% - 104px);
  }
  .kv_deco_5 {
    width: 10px;
    height: 11px;
    top: 357px;
    left: calc(50% - 71px);
  }
  .kv_deco_6 {
    width: 15px;
    height: 18px;
    top: 234px;
    left: calc(50% + 92px);
  }
  .card_wrap {
    width: 175px;
    height: 246px;
    top: 129px;
    left: calc(50% - 83px);
  }
  .benefis {
    border: 1px solid #231A1C;
    border-top: unset;
  }
  .kv_benefis {
    top: 375px;
    left: calc(50% - 168px);
    width: 336px;
    border-top: 1px solid #231A1C;
  }
  .benefis:first-child {
    border-top: 1px solid #231A1C;
  }
  .benefis > .flex_col {
    gap: 8px;
    padding: 12px 17.5px;
    border-top: 0.5px solid #231A1C;
  }
  .benefit_cont_title {
    padding-bottom: 4px;
    border-bottom: 1px solid #FF6D6A;
    gap: 3px;
  }
  .benefit_cont_title > img {
    height: 13px;
  }
  .gap_4 {
    gap: 4px;
  }
  .gap_6 {
    gap: 6px;
  }
  .ballon_1 {
    width: 148px;
    height: 69px;
    top: 11px;
    right: 4px;
  }
  /* event */
  .event_wrap {
    width: 360px;
    padding: 52px 20px;
    gap: 52px;
  }
  .red_star_ul {
    gap: 2px;
  }
  .red_star_li {
    padding-left: 7px;
  }
  .sec_wrap {
    gap: 22px;
  }
  .sec_title {
    width: 55px;
    height: 28px;
  }
  .sec_wrap > .flex_col {
    gap: 18px;
  }

  /* benefit1 */
  .title1 {
    width: 320px;
    height: 36px;
  }
  .step_wrap {
    gap: 10px;
  }
  .step_wrap > .flex_col {
    padding-left: 45px;
  }
  .step_num {
    width: 27px;
    height: 18px;
  }
  .step_wrap .step_num {
    width: 42px;
    height: 18px;
  }
  .gray_tag_wrap {
    gap: 6px;
  }
  .gray_tag {
    border-radius: 2px;
    padding: 1px 3px;
  }
  .gray_tag.eve4 {
    width: 97px;
    text-align: center;
  }
  .img_money {
    width: 100px;
    height: 96px;
  }
  .deco-money {
    width: 76px;
  }
  .yellow_box {
    border-radius: 8px;
    padding: 8px 12.5px;
    gap: 2px;
    margin-top: -6px;
  }

  /* benefit2 */
  .title2 {
    width: 320px;
    height: 58px;
  }
  .body_img_1 {
    width: 320px;
    height: 105px;
  }
  .title3 {
    width: 320px;
    height: 64px;
  }
  .body_img_2 {
    width: 320px;
    height: 93px;
  }
  .body_img_3 {
    width: 136px;
    height: 74px;
  }
  .body_img_4 {
    width: 235px;
    height: 128px;
  }

  /* benefit3 */
  .title4 {
    width: 320px;
    height: 64px;
  }
  .ballon_2 {
    width: 128px;
    height: 81px;
    top: -13px;
    left: -13px;
  }

  /* coupon */
  .coupon.container {
    height: 112px;
    box-shadow: 0px 4px 12px 0px #00000026;
  }
  .coupon_wrap {
    width: 360px;
    padding: 24px;
  }
  .cloud {
    top: 24px;
  }
  .cloud_left {
    width: 220px;
    height: 102px;
    left: 24px;
  }
  .cloud_right {
    width: 198px;
    height: 88px;
    left: 223px;
  }
  .text_left {
    width: 145px;
    height: 65px;
  }
  .text_right {
    width: 113px;
    height: 41px;
  }

  /* footer */
  .footer_wrap {
    padding: 26px 20px 36px 12px;
    gap: 10px;
  }
  .footer_title {
    gap: 6px;
    padding-left: 8px;
  }
  .alert {
    width: 18px;
  }
  .footer ul p {
    padding-left: 4px;
  }
  .footer ul li {
    position: relative;
  }
  .footer .li_txt {
    padding-left: 12px;
  }
  .footer ul li.default {
    padding-left: 8px;
  }
  .footer ul li.default::before {
    width: 4px;
    height: 4px;
    top: 6px;
  }
  .footer .dashed_wrap {
    padding-left: 24px;
  }

  ul.list_wrap li {
    position: relative;
  }
  .list_wrap .li_txt {
    padding-left: 8px;
  }
  ul.list_wrap li.default {
    padding-left: 3px;
  }
  ul.list_wrap li.default::before {
    width: 3px;
    height: 3px;
    top: 7px;
  }
  .list_wrap .dashed_wrap {
    padding-left: 24px;
  }
  ul li.star.default::before {
    top: 0px;
  }

  .btn-pos {
    bottom: 8px;
    gap: 6px;
  }

  #go_detail {
    width: 334px;
    height: 54px;
    border-radius: 4px;
  }
  #go_pay {
    width: 100%;
    height: 44px;
    border-radius: 4px;
  }

  .flex-wrap > img {
    width: 92px;
  }

  /* event table */
  .eve_table_wrap {
    border-radius: 6px;
    border: 1px solid #553A2E2E;
  }
  .eve_table {
    border-radius: 6px;
  }
  /* 1번째 컬럼 너비 설정 */
  .eve_table th:nth-child(1),
  .eve_table td:nth-child(1),
  .eve_table th:nth-child(2),
  .eve_table td:nth-child(2) {
    width: 123px;
  }
  .eve_table th {
    padding: 6px 0px;
    border-right: 1px solid #553A2E2E;
  }
  .eve_table td {
    padding: 6px 0px;
    border: 1px solid #553A2E2E;
  }

  .img-money {
    width: 46px;
    height: 38px;
  }
  .benefit_wrap {
    gap: 10px;
  }

  .title-samsung {
    left: 56px;
    width: 146px;    
    height: 15px;
  }
}