#key p {
  width: 1100px;
  margin: 0 auto;
}
.content {
  position: relative;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
#sec1 {
  background: url("../img/about/sec1_img2.png") no-repeat center bottom/100%, url(../img/shared/wood_bg.jpg) repeat center top;
  padding: 44px 0 70px;
  position: relative;
}
#sec1:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background: url("../img/shared/line_bg.jpg") repeat center top;
}
#sec1 .txt {
  width: 430px;
  padding: 10px 0 0 24px;
}
#sec1 .img1 {
  position: absolute;
  top: 13px;
  right: 110px;
}
#sec2 {
  background: url("../img/about/sec2_img1.png") no-repeat center top;
  padding: 20px 0 0;
}
#sec2 ul li {
  float: right;
}
#sec2 ul li:nth-child(1) {
  position: absolute;
  top: 20px;
  right: -30px;
}
#sec2 ul li:nth-child(2) {
  padding: 92px 388px 0 0;
}
#sec2 ul li:nth-child(3) {
  padding: 176px 80px 0 0;
}
#sec2 .txt {
  width: 300px;
  padding: 22px 0 8px 390px;
  line-height: 23px;
  font-size: 13px;
}
#sec2 .sec2_btn {
  margin: -31px 0 0 19px;
  position: relative;
  z-index: 2;
}
#sec2 .sec2_btn img {
  box-shadow: 0px 5px 14px 0px rgba(0, 0, 0, 0.3);
}
#sec2 .img2 {
  position: absolute;
  bottom: 60px;
  left: -36px;
	z-index: -1
}
#sec2 .img3 {
  position: absolute;
  bottom: 60px;
  right: 15px;
}
#sec3 {
  position: relative;
}
#sec3:before {
  content: '';
  position: absolute;
  top: -185px;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("../img/about/sec3_img1.png") no-repeat center top;
}
#sec3 h2 {
  margin: 27px 0 0 -35px;
}
#sec3 .ttl-1 {
  position: absolute;
  top: 183px;
  right: 260px;
}
#sec3 .box-1 {
  background: url("../img/about/sec3_bg.jpg") no-repeat center top;
  width: 499px;
  height: 280px;
  box-sizing: border-box;
  margin-left: 1px;
}
#sec3 .box-1 ul {
  padding: 17px 0 0 50px;
}
#sec3 .box-1 ul li {
  position: relative;
  color: #160d0a;
  padding-left: 15px;
}
#sec3 .box-1 ul li:before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  width: 10px;
  height: 10px;
  background: #a34700;
  border-radius: 50%;
  transform: translateY(-50%);
}
#sec3 .box-1 ul li span {
  width: 118px;
  font-weight: bold;
  display: inline-block;
}
#sec3 .box-1 ul li span + span {
  font-weight: normal;
  width: auto;
}
#sec3 .txt {
  float: right;
  width: 317px;
  padding-top: 128px;
  line-height: 23px;
  font-size: 13px;
}
#sec3 .img2 {
  position: absolute;
  top: 610px;
  left: -65px;
}
#sec4 {
  padding-bottom: 17px;
  position: relative;
}
#sec4:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("../img/about/sec4_img3.png") no-repeat center top;
}
#sec4 h2 {
  text-align: right;
  padding-top: 81px;
  margin-right: -65px;
}
#sec4 h3 {
  position: absolute;
  top: 320px;
  left: 365px;
}
#sec4 .txt {
  width: 320px;
  margin: -108px 0 0 76px;
  line-height: 23px;
  font-size: 13px;
}
#sec4 .img1 {
  position: absolute;
  top: 773px;
  right: 133px;
}
#sec4 .img2 {
  padding: 35px 0 0 2px;
}
#sec4 .ttl-1 {
  padding-left: 70px;
  margin-top: -11px;
}
#sec4 .sec4_btn {
  position: absolute;
  bottom: 121px;
  right: 100px;
}
#sec4 .sec4_btn img {
  box-shadow: 0px 5px 14px 0px rgba(0, 0, 0, 0.3);
}

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