@media screen and (max-width: 1200px){
  header {height: 55px;}
  header .logo {width: 100px;}
  header .switch {right: 20px;}
  header .switch ul {gap: 6px; justify-content: space-between; width: 60px; height: 30px;}
  header .switch ul li .child-box .morning {width: 10px; height: auto;}
  header .switch ul li.active .child-box .morning {width: 12px;}
  header .switch ul li.active:before {width: 23px;}
  header .switch ul li.active .child-box .night {width: 10px;}
  @keyframes before_move {
    0% {left: 4px;}
    100% {left: calc(100% - 28px);}
  }

  .container {padding: 0 20px;}
  .talk_sec .container {padding: 0 20px; box-sizing: border-box;}

  .talk_sec .container {padding: 20px; padding-top: 0;}
  .talk_sec .talk_box {padding-bottom: 95px;}
  .talk_sec .talk_box ul {gap: 20px;}
  .talk_sec .talk_box ul li:first-of-type {margin-top: 20px;}
  .talk_sec .talk_box ul li.user .child-box {gap: 5px;}
  .talk_sec .talk_box ul li .child-box .txt-box {padding: 15px;}
  .talk_sec .talk_box ul li .child-box .txt-box p {font-size: 15px;}
  .talk_sec .talk_box ul li .child-box .date_box p {font-size: 14px;}
  .talk_sec .talk_box ul li .child-box .adm_icon {min-width: 35px; width: 35px;}
  .talk_sec .talk_box ul li .child-box .txt-box .cs_tit {margin-top: 0; margin-bottom: 10px; font-size: 22px;}
  .talk_sec .talk_box ul li .child-box .txt-box .img-box {width: 70px; margin-bottom: 20px;}
  .talk_sec .talk_box ul li .child-box .txt-box .txt {font-size: 15px;}
  .talk_sec .talk_box ul li .child-box .txt-box .submit_btn {height: 40px; margin-top: 20px; font-size: 15px;}
  .input-box textarea {height: 85px; padding: 15px; padding-right: 50px;}
  .input-box.disabled.return:before {font-size: 15px;}
  .input-box.disabled:before {font-size: 15px;}
  .input-box .submit_btn {right: 15px; width: 30px;}

  footer {padding: 50px 0 110px;}
  footer .f_logo {width: 90px;}
  footer .f_description {margin-bottom: 20px;}
  footer .address {margin-bottom: 25px;}
  footer .address p {font-size: 15px;}
  footer .copyright {font-size: 15px;}

  .sec2 .sec2_ct .cp_list ul {gap: 20px 0; margin: 0 -10px;}
  .sec2 .sec2_ct .cp_list ul li {padding: 0 10px;}
  .sec2 .sec2_ct .cp_list ul li .child-box {padding: 20px;}
  .sec2 .sec2_ct .cp_list ul li .child-box .icon {width: 45px;}
  .sec2 .sec2_ct .cp_list ul li .child-box .txt-box .tit {margin-bottom: 10px; font-size: 22px;}
  .sec2 .sec2_ct .cp_list ul li .child-box .txt-box .txt {font-size: 16px;}
}

@media screen and (max-width: 900px) {
  .sec1 {padding: 70px 0;}
  .sec1 .main_form .img-box:before {width: 160px;}
  .sec1 .main_form .img-box {width: 70px;}
  .sec1 .main_form .txt-box {margin-bottom: 40px; font-size: 24px;}
  .sec1 .main_form .txt-box .txt {margin-bottom: 15px;}
  .sec1 .main_form .txt-box .sub {font-size: 16px;}
  .input-box textarea {font-size: 15px;}
  .sec1 .descript {margin-top: 30px;}
  .sec1 .descript p {word-break: keep-all;}

  .sec2 .sec2_ct .cp_list ul {gap: 10px 0; margin: 0 -5px;}
  .sec2 .sec2_ct .cp_list ul li {width: calc(100% / 2); padding: 0 5px;}
  .sec2 .sec2_ct .cp_list ul li .child-box {height: 120px;}
  .sec2 .sec2_ct .cp_list ul li .child-box .txt-box .tit {font-size: 18px;}
  .sec2 .sec2_ct .cp_list ul li .child-box .txt-box .txt {font-size: 15px;}
  .sec2 {padding-bottom: 70px;}
}

@media screen and (max-width: 600px) {
  .talk_sec .talk_box ul li .child-box .date_box p {font-size: 12px;}
  .talk_sec .talk_box ul li.user .child-box {flex-flow: column-reverse;}
  .talk_sec .container {padding: 15px; padding-top: 0;}
  .talk_sec .talk_box ul li .child-box .txt-box {max-width: 300px; word-break: keep-all;}
  .talk_sec .talk_box ul li .child-box:not(:first-of-type) {margin-top: 10px;}
  .talk_sec .talk_box ul li .child-box .txt-box .cs_tit {font-size: 18px;}
  .talk_sec .talk_box ul li .child-box .txt-box .img-box {width: 60px;}

  .input-box textarea {min-height: 40px; height: auto; border-radius: 15px;}
  .input-box.disabled.return:before {padding: 0 20px; padding-right: 60px; box-sizing: border-box; word-break: keep-all; border-radius: 15px;}
  .input-box.disabled:before {padding: 0 20px; padding-right: 60px; box-sizing: border-box; word-break: keep-all;}

  footer {padding: 30px 0 110px;}
  footer .f_logo {width: 80px;}
  footer .f_description p {line-height: 1.4; word-break: keep-all;}
  footer .address p {font-size: 14px; line-height: 1.4; word-break: keep-all;}
  footer .copyright {font-size: 14px;}

  .input-box .ckd_box .a_type {}
  .input-box .ckd_box .a_type span {font-size: 14px;}

  /* .sec2 .sec2_ct .cp_list ul li .child-box .icon {width: 35px;} */
  .sec2 .sec2_ct .cp_list ul li .child-box .txt-box .tit {font-size: 16px;}

  .talk_sec .textarea_box {width: calc(100% - 30px);}

  .talk_sec .talk_box ul li .child-box .txt-box {border-radius: 0 15px 15px 15px;}
  .talk_sec .talk_box ul li.user .child-box .txt-box {border-radius: 15px 0 15px 15px;}
}

@media screen and (max-width: 550px) {
  .sec2 .sec2_ct .cp_list ul li {width: 100%;}
}