.flower_pattern_collection {
  width: 1150px;
  margin: 40px auto 140px;
  color: #000;
  font-family: "Open Sans", sans-serif;
}

.flower_pattern_collection * {
  box-sizing: border-box;
}

.flower_pattern_collection .sp_only {
  display: none;
}

.flower_pattern_collection a {
  display: block;
}

.flower_pattern_collection img {
  display: block;
  width: 100%;
}

.flower_pattern_collection .img {
  width: 100%;
}

.flower_pattern_collection .bg {
  position: relative;
}

.flower_pattern_collection .bg::before {
  content: "";
  display: block;
  position: absolute;
  z-index: -1;
}

.flower_pattern_collection .credit {
  font-size: 0;
  text-align: left;
  padding-top: 20px;
}

.flower_pattern_collection .credit li {
  display: inline-block;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1;
  margin-right: 10px;
  margin-bottom: 12px;
}

.flower_pattern_collection .credit_column {
  text-align: left;
}

.flower_pattern_collection .credit_column li {
  display: block;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: .1em;
  line-height: 1;
  margin-bottom: 12px;
}

.flower_pattern_collection .flex {
  display: flex;
}

.flower_pattern_collection .img_switch {
  position: relative;
}

.flower_pattern_collection .img_switch .img:first-of-type {
  position: relative;
  z-index: 2;
  transition: all 1s;
}

.flower_pattern_collection .img_switch .img:first-of-type:hover {
  opacity: 0;
}

.flower_pattern_collection .img_switch .img:first-of-type:hover + .img {
  opacity: 1;
}

.flower_pattern_collection .img_switch .img:last-of-type {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  opacity: 0;
  transition: all 1s;
}

.flower_pattern_collection .top_blk {
  width: 527px;
  margin: 0 auto 75px;
}

.flower_pattern_collection .blk01 {
  width: 480px;
  margin: 0 auto 118px;
}

.flower_pattern_collection .blk01 .img {
  padding: 30px;
  background-color: #ACA099;
}

.flower_pattern_collection .blk02 {
  margin-bottom: 112px;
}

.flower_pattern_collection .blk02 .inner01 {
  width: 500px;
  margin-left: 70px;
}

.flower_pattern_collection .blk02 .inner01 .bg::before {
  width: 195px;
  height: 884px;
  background-color: #C9DACE;
  top: -50px;
  left: -70px;
}

.flower_pattern_collection .blk02 .inner02 {
  width: 400px;
  margin-left: 100px;
  margin-top: 200px;
}

.flower_pattern_collection .blk02 .inner02 .bg::before {
  width: 400px;
  height: 600px;
  background-color: #F6F4D2;
  top: 100px;
  left: 60px;
}

.flower_pattern_collection .blk03 {
  width: 420px;
  margin-bottom: 180px;
  margin-left: 230px;
  position: relative;
}

.flower_pattern_collection .blk03 .bg::before {
  width: 650px;
  height: 530px;
  background-color: #F6E8D9;
  top: 150px;
  left: 40px;
}

.flower_pattern_collection .blk03 .credit_column {
  position: absolute;
  bottom: -11px;
  right: -217px;
  z-index: 2;
}

.flower_pattern_collection .blk04 {
  margin-bottom: 130px;
}

.flower_pattern_collection .blk04 .inner01 {
  width: 380px;
  margin-left: 105px;
  margin-top: 74px;
}

.flower_pattern_collection .blk04 .inner01 .bg::before {
  width: 120px;
  height: 516px;
  background-color: #EFE8D8;
  top: 176px;
  left: -50px;
}

.flower_pattern_collection .blk04 .inner02 {
  width: 500px;
  margin-left: 60px;
}

.flower_pattern_collection .blk04 .inner02 .bg::before {
  width: 156px;
  height: 850px;
  background-color: #EFE8D8;
  top: -50px;
  right: -50px;
}

.flower_pattern_collection .blk05 {
  width: 450px;
  margin-bottom: 150px;
  margin-left: 300px;
}

.flower_pattern_collection .blk05 .bg::before {
  width: 450px;
  height: 674px;
  background-color: #F7EFD5;
  top: 100px;
  left: 100px;
}

.flower_pattern_collection .bottom_blk {
  width: 380px;
  margin: 0 auto;
}

.flower_pattern_collection .bottom_blk .btn:first-of-type {
  margin-bottom: 10px;
}