.menu__box {
  display: none;
}

@media (max-width: 960px) {
  @import url('pretendard.css');

  .main {
    padding-top: 65px;
  } /*황홍 12/22 추가요청*/
  header {
    box-shadow: rgba(0, 0, 0, 0.25) 0px 25px 50px -12px;
    overflow: visible;
    position: fixed;
    height: 65px;
    width: 100%;
    z-index: 200;
    background: #fff;
  }
  /*황홍 12/23 추가요청*/
  .study.study-vis {
    padding-top: 65px;
  }
  .hamburger-menu {
    font-family: 'Pretendard', serif;
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    top: 0;
    right: 0;
  }
  .content .gnb {
    display: none;
  }
  .study .l_box {
    display: none;
  }
  header .menu a {
    display: none;
  }

  #menu__toggle {
    opacity: 0;
  }

  #menu__toggle:checked ~ .menu__btn > span {
    transform: rotate(45deg);
  }
  #menu__toggle:checked ~ .menu__btn > span::before {
    top: 0;
    transform: rotate(0);
  }
  #menu__toggle:checked ~ .menu__btn > span::after {
    top: 0;
    transform: rotate(90deg);
  }
  #menu__toggle:checked ~ .menu__box {
    visibility: visible;
    right: 0;
  }
  #menu__toggle:checked ~ .deem {
    visibility: visible;
  }

  .menu__btn {
    display: flex;
    align-items: center;
    position: fixed;
    top: 20px;
    right: 20px;

    width: 26px;
    height: 26px;

    cursor: pointer;
    z-index: 100;
  }

  .menu__btn > span,
  .menu__btn > span::before,
  .menu__btn > span::after {
    display: block;
    position: absolute;

    width: 100%;
    height: 2px;

    background-color: #58be71;

    transition-duration: 0.25s;
  }
  .menu__btn > span::before {
    content: '';
    top: -8px;
    background-color: #85c853;
  }
  .menu__btn > span::after {
    content: '';
    top: 8px;
    background-color: #2eb48e;
  }

  .menu__box {
    font-family: 'Pretendard', serif;
    display: block;
    position: fixed;
    visibility: hidden;
    top: 65px;
    right: -100%;
    z-index: 100;
    width: 265px;
    height: 100%;

    margin: 0;

    list-style: none;

    background-color: #fff;
    box-shadow: 1px 0px 6px rgba(0, 0, 0, 0.2);

    transition-duration: 0.25s;
  }

  .menu__box .memberMenu {
    background: #3e877c;
    padding: 25px;
    margin-bottom: 15px;
  }
  .menu__box .memberMenu .profile {
    width: 76px;
    height: 76px;
    background: #fff;
    border-radius: 15px;
    position: relative;
    left: 10px;
    color: #ddd;
    font-size: 21px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .menu__box .memberMenu .alarm_noti {
    position: relative;
    top: -10px;
    left: 10px;
    width: 50px;
    height: 50px;
    background: url('../images/ic_alarmbell.png');
    background-size: contain;
    cursor: pointer;
  }
  .menu__box .memberMenu .alarm_noti span {
    display: flex;
    justify-content: center;
    align-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ef833a;
    color: #fff;
    font-weight: 700;
    line-height: 20px; /*황홍 12/22 추가요청*/
  }
  .menu__box .memberMenu .prof_text {
    position: relative;
    top: 20px;
    left: 27px;
    letter-spacing: 1px;
    color: #fff;
  }
  .menu__box .memberMenu .prof_text span {
    font-size: 14px;
  }
  .menu__box .memberMenu .prof_text b {
    font-size: 17px;
    font-weight: 900;
  }
  .menu__box .memberMenu ol {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .menu__box .memberMenu ol button {
    margin-top: 15px;
  }
  .menu__box .memberMenu ol button.MT0 {
    margin-top: 0px;
  }
  .menu__box .menu__item {
    display: block;
    padding: 18px 14px;

    color: #63666b;
    border-bottom: 2px solid #d3d0d7;

    font-size: 14px;
    margin: 0 25px;

    text-decoration: none;

    transition-duration: 0.25s;
  }

  .menu__box .menu__item {
    background: no-repeat right/8% url('../images/ic_link.png');
    background-position: center right 20px;
  }
  header .menu__box a.menu__item {
    line-height: 1em;
  }
  .menu__box .sub_menu {
    margin: 25px;
    margin-top: 15px;
    display: flex;
  }
  .menu__box .sub_menu ol {
    display: flex;
    width: 100%;
    justify-content: space-between;
  }

  .menu__box button {
    border-radius: 0 10px 10px 10px;
    font-weight: 700;
    width: 103px;
    height: 36px;
  }
  .menu__box .sub_menu ol li button {
    border: 1px solid #d3d0d6;
    color: #64666b;
  }

  .menu__box button.btn-pos {
    background: #fff;
    color: #5b9379;
    border: 1px solid #66a889;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  }
  .menu__box button.btn-neg {
    background: #0a1715;
    color: #94c073;
    border: 1px solid #0a1715;
    box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  }
  .menu__box button.btn-neu {
    border: 1px solid #d3d0d6;
    box-shadow: rgba(0, 0, 0, 0.12) 0px 1px 3px, rgba(0, 0, 0, 0.24) 0px 1px 2px;
  }

  .menu__box button.btn-change {
    padding-left: 0px;
    /* background: no-repeat right/12% url('../images/ic_change.png'); */
    background-position: center right 10px;
    background-color: #fff;
  }
  .menu__box button.btn-change span {
    position: relative;
    left: 0px;
  }
  .deem {
    background: #000;
    width: 100vw;
    height: 100vh;
    content: '';
    visibility: hidden;
    display: block;
    z-index: 90;
    opacity: 0.5;
    position: fixed;
    top: 0;
    left: 0;
  }
}