@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: 18px;
    line-height: 18px;
  }
  .h2 {
    font-size: 17px;
    line-height: 20px;
  }
  .h3 {
    font-size: 16px;
    line-height: 19px;
  }
  .h4 {
    font-size: 14px;
    line-height: 18px;
  }
  .h4.ext_bold {
    line-height: 20px;
  }
  .h5 {
    font-size: 13px;
    line-height: 18px;
  }
  .h5.bold, .h5.ext_bold {
    line-height: 20px;
  }
  .caption1 {
    font-size: 12px;
    line-height: 16px;
  }
  .caption2 {
    font-size: 11px;
    line-height: 16px;
  }
  .caption3 {
    font-size: 9px;
    line-height: 9px;
  }

  /* fixed_top_button */
  .fixed_top_button {
    max-width: 344px;
    height: 72px;
    top: 6px;
    left: calc(50% - 172px);
    -webkit-box-shadow: 0px 3px 12px 0px #00000073;
    box-shadow: 0px 3px 12px 0px #00000073;
    padding: 0px 8px 0px 20px;
    border-radius: 12px;
    gap: 7px;
  }
  .fxd_txt {
    width: 234px;
    height: 50px;
    margin-top: 3x;
  }
  .btn_black {
    padding: 10px 12px;
    border-radius: 8px;
  }

  /* main */
  .main {
    height: 740px;
  }
  .kv_main {
    width: 360px;
    height: 740px;
  }
  .kv_title {
    height: 83px;
    top: 127px;
  }
  .kv_title_1 {
    left: 16px;
  }
  .kv_title_2 {
    left: 123px;
  }
  .kv_title_3 {
    left: 234px;
  }
  .bg_img {
    width: 473px;
    height: 440px;
    top: 341px;
    left: -58px;
  }
  .kv_fire_5 {
    width: 104px;
    height: 134px;
    top: 413px;
    left: 245.5px;
  }
  .kv_fire_4 {
    width: 107px;
    height: 105px;
    top: 343px;
    left: 256.25px;
  }
  .kv_fire_3 {
    width: 100px;
    height: 88px;
    top: 373px;
    left: 184px;
  }
  .kv_fire_2 {
    width: 112px;
    height: 113px;
    top: 343px;
    left: 93.25px;
  }
  .kv_fire_1 {
    width: 76px;
    height: 108px;
    top: 388px;
    left: 48px;
  }
  .kv_fire_6 {
    width: 156px;
    height: 103px;
    top: 445px;
    left: 106.75px;
  }
  .card {
    width: 118px;
    height: 187px;
    top: 241px;
    left: 121px;
    border-radius: 8px;
    box-shadow: 0px 1px 0px 0px #CABCAE, -8px 2px 12px 0px #00000040;
  }
  .sub_title {
    width: 186px;
    height: 20px;
    top: 486px;
    left: 86px;
  }
  .kv_name {
    width: 125px;
    height: 33px;
    top: 435px;
    left: 116px;
  }
  .main_title {
    width: 206px;
    height: 45px;
    top: 508px;
    left: 77px;
  }
  .kv_img_1 {
    width: 136px;
    height: 133px;
    top: 74px;
    left: -32px;
  }
  .split_1 {
    width: 27px;
    height: 29px;
    top: 127px;
    left: 234px;
  }
  .split_2 {
    width: 12px;
    height: 13px;
    top: 205px;
    left: 329px;
  }
  #go_detail {
    width: 154px;
    height: 40px;
    top: 558px;
    left: 102px;
    border-radius: 999px;
    border: 0.5px solid #FFFFFFB2;
    backdrop-filter: blur(4px);
    box-shadow: 0px 4px 4px 0px #000000CC;
  }
  #go_detail > img {
    width: 12px;
    height: 12px;
  }
  .kv_desc {
    height: 120px;
    top: 620px;
    padding: 36px 0px;
  }

  /* event */
  .eve_wrap {
    max-width: 360px;
    padding: 28px 24px;
    gap: 28px;
  }
  .eve_img {
    width: 166px;
  }
  .eve_title {
    width: 186px;
  }
  .sec_wrap {
    padding: 14px 18px;
  }
  .eve_cont {
    gap: 10px;
  }
  .eve_cont > .flex_col {
    border-radius: 6px;
  }
  .sec_title {
    height: 28px;
    padding: 8px 0px 8px 18px;
  }
  .sec_title > img {
    height: 12px;
  }

  /* event2 */
  #event2 .sec_wrap > .flex_col {
    padding: 14px 18px 0px;
    gap: 2px;
  }
  .event2_wrap {
    height: 90px;
  }
  .event2_box_wrap {
    margin-top: 10px;
  }
  .event2_box {
    gap: 8px;
  }
  #go_apply {
    width: 82px;
    height: 35px;
    gap: 5px;
    padding: 10px 14px;
    border-radius: 8px;
  }
  #go_apply .hover {
    border-radius: 8px;
  }
  #go_apply img.particle_1 {
    width: 10px;
    height: 11px;
    left: -9.5px;
    top: -6px;
  } 
  #go_apply img.particle_2 {
    width: 14px;
    height: 14px;
    right: -10.5px;
    top: 28px;
  }

  /* event3 */
  #event3 .sec_wrap {
    /* gap: 8px; */
  }
  .gray_tag {
    border-radius: 4px;
    padding: 1px 4px;
    margin-bottom: 2px;
  }

  .event3_wrap {
    padding: 0px 18px;
    padding-bottom: 14px;
    /* gap: 1px; */
  }
  .event3_wrap.second {
    gap: 4px;
  }
  .caption-txt {
    padding: 0 16px;
  }

  /* footer */
  .footer_wrap {
    padding: 26px 24px 18px 14px;
    gap: 10px;
  }
  .footer_title {
    gap: 6px;
    padding-left: 8px;
  }
  .alert {
    width: 18px;
  }
  .footer ul p {
    padding-left: 20px;
    margin-bottom: 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;
  }

  .step_min_item {
    gap: 2px;
  }
  .step1 .step_min_item {
    padding-left: 24px;
  }
  #steps > .flex_col.step1 {
    gap: 0;
  }

  .num_box {
    gap: 2px;
  }
  .num_wrap {
    gap: 4px;
  }
  .num {
    width: 14px;
    height: 14px;
    font-size: 10px;
    line-height: 11px;
  }

  .cap_accent {
    align-items: flex-start;
    gap: 2px;
  }
  .cap_accent p:first-child {
    padding: 2px 0;
  }
}