#key * {
   width: 100%;
   height: 100%;
}

#key .slide01 {
   background: url("../img/index/kv01.jpg") no-repeat center/cover;
}

#key .slide02 {
   background: url("../img/index/kv02.jpg") no-repeat center/cover;
}

#key .slide03 {
   background: url("../img/index/kv03.jpg") no-repeat center/cover;
}

#sec1 {
   padding: 717px 0 0;
}

#sec1 .inner:before {
   content: '';
   width: 1380px;
   height: 1280px;
   background: url("../img/index/sec1-deco.png") no-repeat center top/cover;
   position: absolute;
   top: -771px;
   left: 191px;
   z-index: -1;
}

#sec1 .photo {
   width: 1300px;
   text-align: center;
   margin: 0 auto;
   position: absolute;
   top: 183px;
   left: 50%;
   transform: translateX(-50%);
}

#sec1 .photo:before {
   content: '';
   width: 361px;
   height: 361px;
   background: url("../img/index/sec1-photo-deco.png") no-repeat center top/cover;
   position: absolute;
   top: -19px;
   left: -20px;
}

#sec1 .photo:after {
   content: '';
   width: 361px;
   height: 361px;
   background: url("../img/index/sec1-photo-deco.png") no-repeat center top/cover;
   position: absolute;
   bottom: -18px;
   right: -18px;
   transform: rotate(180deg);
}

#sec1 .photo img {
   position: relative;
   z-index: 1;
}

#sec1 h2 {
   font-family: 'Noto Serif JP', serif;
   font-weight: 700;
   font-size: 50px;
   letter-spacing: 0.1em;
   line-height: 85px;
   position: relative;
   z-index: 1;
   padding-left: 64px;
   position: relative;
}

#sec1 h2:before {
   content: '';
   width: 100px;
   height: 0;
   border-top: 1px solid #fff;
   position: absolute;
   top: 49px;
   left: 743px;
}

#sec1 h2 span {
   font-size: 65px;
}

#sec1 h2 strong {
   display: inline-block;
   font-weight: inherit;
   color: #ff0000;
   font-size: 110px;
   letter-spacing: 0.1em;
   position: relative;
}

#sec1 h2 strong:after {
   content: '';
   width: 90%;
   height: 0;
   border-bottom: 4px solid #ff0000;
   position: absolute;
   bottom: -29px;
   left: 1%;
}

#sec1 .txt {
   padding: 49px 0 0 65px;
}

#sec2 {
   background: url("../img/index/sec2-bg.png") no-repeat center top 23px;
   padding-bottom: 90px;
   position: relative;
}

#sec2:before {
   content: '';
   width: 170px;
   height: 1000px;
   background: url("../img/index/sec2-deco2.jpg") repeat-y center top;
   position: absolute;
   top: 90px;
   right: 0;
   z-index: -1;
}

#sec2:after {
   content: '';
   width: 250px;
   height: 995px;
   background: url("../img/index/sec2-deco2.jpg") repeat-y center top;
   position: absolute;
   top: 300px;
   right: 195px;
   z-index: -1;
}

#sec2 .hgroup {
   display: flex;
   flex-wrap: wrap;
   flex-direction: row-reverse;
   height: 695px;
   font-family: 'Noto Serif JP', serif;
   font-weight: 700;
}

#sec2 .hgroup h2 {
   font-size: 75px;
   line-height: 75px;
   padding: 77px 144px 0 0;
   position: relative;
}

#sec2 .hgroup h2:before {
   content: '';
   width: 70px;
   height: 52px;
   background: url("../img/index/sec2-deco1.png") no-repeat center top/cover;
   position: absolute;
   top: 32px;
   left: 69px;
}

#sec2 .hgroup h2 small {
   font-size: 50px;
}

#sec2 .hgroup h3 {
   font-size: 90px;
   line-height: 90px;
   letter-spacing: 0.1em;
   padding: 187px 50px 0 0;
}

#sec2 .hgroup h3 small {
   font-size: 70px;
}

#sec2 .hgroup h3 span {
   font-size: 100px;
   position: relative;
}

#sec2 .hgroup h3 span:before {
   content: '';
   width: 22px;
   height: 230px;
   background-color: #ff0000;
   position: absolute;
   top: -4px;
   right: 20px;
   z-index: -1;
}

#sec2 .sub-title {
   font-family: 'Noto Serif JP', serif;
   font-weight: 700;
   font-size: 30px;
   line-height: 30px;
   letter-spacing: 0.1em;
   color: #ff0000;
   text-align: right;
   padding: 1px 258px 0 0;
}

#sec2 .photo1 {
   position: absolute;
   top: 667px;
   left: -40px;
}

#sec2 .photo1:before {
   content: '';
   width: 70px;
   height: 70px;
   background: url("../img/index/sec2-photo-deco.jpg") no-repeat center top/cover;
   position: absolute;
   top: -20px;
   left: -20px;
}

#sec2 .photo2 {
   position: absolute;
   bottom: 132px;
   right: -50px;
}

#sec2 .photo2:before {
   content: '';
   width: 100px;
   height: 100px;
   background: url("../img/index/sec2-photo-deco.jpg") no-repeat center top/cover;
   position: absolute;
   top: -20px;
   left: -20px;
}

#sec2 .txt {
   width: 394px;
   padding-top: 275px;
}

#sec2 .button {
   margin-left: -3px;
   padding-top: 47px;
}

#sec3 {
   background: url("../img/share/bg01.jpg") repeat center top;
   padding: 80px 0 124px;
   position: relative;
}

#sec3:before {
   content: '';
   width: 50%;
   height: 100%;
   background: url("../img/share/bg02.jpg") repeat center top;
   position: absolute;
   top: 0;
   left: -450px;
}

#sec3 h2 {
   font-family: 'Noto Serif JP', serif;
   font-weight: 700;
   font-size: 45px;
   line-height: 60px;
   letter-spacing: 0.1em;
   position: relative;
   z-index: 1;
}

#sec3 h2 small {
   display: block;
   font-size: 30px;
   letter-spacing: 0.1em;
   padding-left: 8px;
}

#sec3 h2 span {
   display: inline-block;
   background-color: #fff;
   color: #dc0000;
   margin-left: -10px;
   margin-bottom: 6px;
   padding: 0 1px 0px 9px;
}

#sec3 .photo {
   position: absolute;
   top: -18px;
   right: -165px;
}

#sec3 .txt {
   width: 380px;
   padding-top: 50px;
}

#sec3 .button {
   padding-top: 44px;
   margin-left: -1px;
}

#sec4 {
   background: url("../img/index/sec4-bg.jpg") no-repeat center/cover;
   text-align: center;
   padding: 171px 0 228px;
}

#sec4 h2 {
   font-family: 'Noto Serif JP', serif;
   font-weight: 700;
   font-size: 50px;
   letter-spacing: 0.1em;
   line-height: 70px;
}

#sec4 h2 small {
   display: block;
   font-size: 30px;
}

#sec4 h2 span {
   display: inline-block;
   position: relative;
}

#sec4 h2 span:before {
   content: '';
   width: 50px;
   height: 50px;
   border-top: 2px solid #ff0000;
   border-left: 2px solid #ff0000;
   box-sizing: border-box;
   position: absolute;
   top: -28px;
   left: -43px;
}

#sec4 h2 span:after {
   content: '';
   width: 50px;
   height: 50px;
   border-bottom: 2px solid #ff0000;
   border-right: 2px solid #ff0000;
   box-sizing: border-box;
   position: absolute;
   bottom: -27px;
   right: -43px;
}

#sec4 .txt {
   padding-top: 51px;
}