.sales_brain_menu {
    z-index: 1000000;
    position: absolute;
    top: 0;
    right: 0;
  }
  .sales_brain_menu .header__menu {
    display: none;
  }
  .sales_brain_menu .menu {
    display: none;
  }
  @media screen and (max-width: 767px) {
    .sales_brain_menu .header__menu {
      padding: 12px 0;
      display: block;
      min-width: 38px;
      height: 58px;
      z-index: 2;
    }
    .sales_brain_menu .header__menu span {
      display: block;
      margin: 6px 0;
      width: 20px;
      height: 2px;
      background-color: #fff;
    }
    .sales_brain_menu .header__menu.on {
      position: fixed;
      top: 10px;
      right: 0;
    }
    .sales_brain_menu .header__menu.on span {
      display: none;
    }
    .sales_brain_menu .menu {
      display: block;
      width: 90%;
      max-width: 320px;
      background-color: #000;
      position: fixed;
      right: 0;
      top: 0;
      bottom: 0;
      height: 100vh;
      min-height: 600px;
      margin-top: 0;
      z-index: 1;
      transition: .3s ease all;
      transform: translateX(100%);
    }
    .sales_brain_menu .menu .menu__container {
      color: #fff;
      position: relative;
      padding: 42px 16px;
    }
    .sales_brain_menu .menu .menu__close {
      position: absolute;
      top: 10px;
      right: 12px;
      background: transparent;
      border: none;
      padding: 0;
    }
    .sales_brain_menu .menu .menu__link {
      color: #fff;
      display: block;
      font-weight: 600;
      font-size: 16px;
      line-height: 175%;
      letter-spacing: 0.05em;
      font-feature-settings: 'palt' on;
      margin-bottom: 24px;
    }
    .sales_brain_menu .menu.on {
      transform: translateX(0);
    }
  }