#sec1 .box {
  background: #fff;
  padding: 60px;
}

.secBg {
  background: url(../img/auction1/bg.png) no-repeat left -500px top 400px,
    url(../img/auction1/bg.png) no-repeat right -500px top 1400px,
    url(../img/auction1/bg.png) no-repeat left -550px top 2400px;
}

.secFlow .step {
  border: solid 1px #447db4;
  padding: 40px;
  position: relative;
  margin-bottom: 80px;
}
.secFlow .step:before {
  position: absolute;
  content: "";
  display: block;
  bottom: -60px;
  left: calc(50% - 40px);
  border-top: solid 40px var(--blue);
  border-left: solid 40px transparent;
  border-right: solid 40px transparent;
}
.secFlow .last {
  margin-bottom: 0px;
  border-bottom: none;
  padding-bottom: 80px;
}
.secFlow .last:before {
  display: none;
}
.secFlow .step h3 {
  background: var(--blue);
  color: #fff;
  position: relative;
  border-radius: 50px;
  height: 58px;
  font-size: 150%;
  display: flex;
  align-items: center;
  padding-left: 75px;
}
.secFlow .step h3 span {
  display: block;
  width: 50px;
  border-radius: 50%;
  position: absolute;
  left: 4px;
  top: 4px;
  overflow: hidden;
}
.secFlow .step .inner {
  margin-top: 30px;
  display: flex;
  gap: 40px;
}
.secFlow .step .inner .text {
  width: 55%;
}
.secFlow .step .inner .photo {
  width: 45%;
}
.secFlow .btm {
  display: flex;
  background: var(--blue);
  position: relative;
  padding: 30px;
  gap: 30px;
}
.secFlow .btm::before {
  position: absolute;
  content: "";
  display: block;
  top: -43px;
  left: 0px;
  background: url(../img/auction1/wave.png) no-repeat center center;
  height: 43px;
  width: 100%;
  background-size: cover;
}
.secFlow .btm .text {
  color: #fff;
}

/*
===================================================
	tb
===================================================
*/
@media screen and (max-width: 1100px) {
  #sec1 .box {
    padding: 30px;
  }
  .secBg {
    background: url(../img/auction1/bg.png) no-repeat left -250px top 200px,
      url(../img/auction1/bg.png) no-repeat right -250px top 800px,
      url(../img/auction1/bg.png) no-repeat left -275px top 1200px;
    background-size: 60%, 60%, 60%;
  }
  .secFlow .step {
    padding: 20px;
    margin-bottom: 70px;
  }
  .secFlow .step:before {
    position: absolute;
    content: "";
    display: block;
    bottom: -50px;
    left: calc(50% - 30px);
    border-top: solid 30px var(--blue);
    border-left: solid 30px transparent;
    border-right: solid 30px transparent;
  }
  .secFlow .last {
    margin-bottom: 0px;
    border-bottom: none;
    padding-bottom: 80px;
  }
  .secFlow .step h3 {
    background: var(--blue);
    color: #fff;
    position: relative;
    border-radius: 50px;
    height: 58px;
    font-size: 25px;
    padding-left: 70px;
  }
}

/*
===================================================
	sp
===================================================
*/
@media screen and (max-width: 640px) {
  #sec1 .box {
    padding: 20px 10px;
  }
  .secFlow .step {
    padding: 15px;
  }
  .secFlow .step h3 {
    font-size: 18px;
  }
  .secFlow .step .inner {
    margin-top: 30px;
    display: block;
    gap: 40px;
  }
  .secFlow .step .inner .text {
    width: 100%;
  }
  .secFlow .step .inner .photo {
    width: 100%;
    margin-top: 1em;
  }
  .secFlow .last {
    padding-bottom: 80px;
  }
  .secFlow .btm {
    display: block;
    background: var(--blue);
    position: relative;
    padding: 30px;
    gap: 30px;
  }
  .secFlow .btm::before {
    position: absolute;
    content: "";
    display: block;
    top: -43px;
    left: 0px;
    background: url(../img/auction1/wave.png) no-repeat center center;
    height: 43px;
    width: 100%;
    background-size: cover;
  }
  .secFlow .btm .text {
    color: #fff;
    margin-top: 1em;
  }
}