.support-box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  margin: 65px auto 0;
}

.support-box__img {
  width: 45.45%;
}

.support-box__txt {
  position: relative;
  width: 50%;
  padding-left: 14.54%;
}

.support-box__num {
  position: absolute;
  top: 0;
  left: 0;
  width: 29%;
}

.support-box__num::after {
  content: url("../img/business/icon_illust.png");
  position: absolute;
  top: 100%;
  left: 0;
  display: block;
  width: 114px;
  height: 88px;
  margin: 18px 0 0 5px;
}

.support-box__lb {
  position: relative;
  font-size: 26px;
  font-size: 2.6rem;
  font-weight: 500;
  line-height: 1.5;
  padding: 52px 0 10px;
  margin-bottom: 45px;
}

.support-box__lb::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  display: block;
  border-bottom: solid 3px #ffe100;
  width: 80px;
}

.support-box__lb__sub {
  display: block;
  font-size: 0.538em;
  font-weight: 400;
}

.support-box__lb__main {
  display: block;
}

@media screen and (max-width: 959px) {
  .support-box {
    display: block;
    max-width: 500px;
  }
  .support-box__img, .support-box__txt {
    width: 100%;
  }
  .support-box__img {
    text-align: center;
    margin-bottom: 20px;
  }
  .support-box__txt {
    padding-left: 112px;
  }
  .support-box__num {
    -webkit-transform: scale(0.7);
        -ms-transform: scale(0.7);
            transform: scale(0.7);
    -webkit-transform-origin: left top;
        -ms-transform-origin: left top;
            transform-origin: left top;
    width: 100px;
  }
  .support-box__lb {
    padding-top: 15px;
  }
}

@media screen and (max-width: 767px) {
  .support-box {
    margin-top: 44px;
  }
  .support-box__txt {
    padding-left: 90px;
  }
  .support-box__num {
    -webkit-transform: scale(0.6);
        -ms-transform: scale(0.6);
            transform: scale(0.6);
  }
  .support-box__lb {
    font-size: 22px;
    font-size: 2.2rem;
    margin-bottom: 35px;
  }
  .support-box__lb::after {
    border-bottom-width: 2px;
    width: 60px;
  }
}