* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
    color:white;
}

body {
    background-attachment: fixed;
    width: 100%;
    background-image: url("./img/galaxy-night-landscape.jpg");
    background-size: cover;
    min-width: 1200px;
}
header {
    width: 100%;
    height:80px;
   margin: auto;
   position: absolute;
   right: 0;
   top: 0;
   z-index: 50;
}
nav {
    text-align: center;
    padding:20px 60px;
}
nav ul {
    display: flex;
    justify-content: flex-end;
}
nav ul li {
    color:black;
    list-style: none;
    padding: 0 40px;
    font-size: 1.2rem;
}
nav ul li a {
    text-decoration: none;
}


.title {
    position:absolute;
    top:15%;
    left:50%;
    transform:translateX(-50%);
    z-index:2;
    font-size:1.5rem;
    opacity: 0;
}

.title.active {
    opacity:1;
    transition: 3s;
}
section {
    position:relative;
    height:100vh;
    width:100%;
    overflow: hidden;
    z-index: 1;
}
.firstview-wrap {
    width:200px;
    height:100px;
    position: absolute;
    top:50%;
    left:50%;
    transform: translate(-50%, -50%);
}
.firstview-wrap img {
    width:100%;
    height:100%;
}
.img-wrap {
    position: relative;
    top:40%;
    height:50%;
    width:1px;
    overflow: hidden;
    opacity:0;
    border-radius: 10px;

}
.img-wrap.active {
    width:40vw;
    opacity:1;
    transition: opacity 1s, width 2s;
}
.img {
    position: absolute;
    top: 0;
    left: 0;
    width: 40vw;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.6);
}
.img-wrap.title.active > .img {
    transform:scale(1);
    transition: 1s ease-out;
}

/* SECTION */
#sec {
    position: relative;
}
#sec .first-text {
    width: 100%;
    position: absolute;
    top:40%;
    left:0;
    right:0;
    margin: 0 auto;
    white-space: nowrap;
    
}
#sec .first-text p{
    font-size: 15px;
    letter-spacing: 0.5em;
    line-height: 3.0;
    text-align: center;
    justify-content: center;
    position: relative;
}
.arrow-wrap {
    position: absolute;
    left:50%;
    bottom:5%;
    transform: translate(-50%);
}
.arrow_u {
    position: relative;
    display: inline-block;
    padding-left: 20px;
  }
  .arrow_u:before {
    content: '';
    width: 20px;
    height: 20px;
    border: 0;
    border-bottom: solid 2px #fff;
    border-right: solid 2px #fff;
    transform: rotate(45deg);
    position: absolute;
    top:0;
    left: 0;
    bottom: 0;
    
    margin:auto;
  }
/* SECTION1 */
#sec1 {
   position: relative;
}
h2 {
    /* skill文字 */
    color:#fff;
    font-size: 1.9rem;
    text-align: center;
    margin:20px 0;
}
.icon-group1 {  
    margin:30px 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    
}
.icon-group2 {
    margin:30px 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
}
.icon {
    width: 10%;
    height:20%;
    margin:15px;
}
#sec1 .skill {
    margin:0 auto;
    background: rgba(255, 255, 255, 0.5);
    width: 80%;
    height:80%;
    backdrop-filter:(20px);
    border-radius:15px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    -webkit-backdrop-filter: blur(30px);
}

/* SECTION2 */
#sec2 {
    position: relative;
}
h3 {
    /* works文字 */
    color:#fff;
    font-size: 2.0rem;
    text-align: center;
    margin:0;
}
.sec2 h3 {
    margin:0;
}
#sec2 .text-box {
    z-index: 100;
    background: rgba(255, 255, 255, 0.1);
    padding:30px;
    width: 500px;
    height:50vh;
    backdrop-filter:(20px);
    border-radius:10px;
    border-radius: 1px solid rgba(255, 255, 255, 0.1);
    position: absolute;
    top:20%;
    left:13%;
}
.text-box h4 {
   font-size: 1.8rem;
   margin-bottom: 5px;
}
.text-box p {
    font-size: 15px;
}
h5 {
    font-size: 1.3em;
    margin-top:10px;
}
.sec2 .btn {

}

/* SECTION 3 */
.sec3 .text-box {
    z-index: 100;
    background: rgba(255, 255, 255, 0.1);
    padding:30px;
    width: 500px;
    height:50vh;
    backdrop-filter:(20px);
    border-radius:10px;
    border-radius: 1px solid rgba(255, 255, 255, 0.1);
    position: absolute;
    top:20%;
    right:13%;
}

/* SECTION 4 */
.sec4 {
    position: relative;
}
.sec4 .banner-wrap {
  position: absolute;
  bottom:0%;
  right:20%;
} 
.banner-wrap .banner1{
    width: 300px;
    height: 250px;
    margin:20px;
}
.banner-wrap .banner1 img{
    width: 100%;
    height: 100%;
}
.banner-wrap .banner2{
    width: 300px;
    height: 250px;
    margin:20px;
}
.banner-wrap .banner2 img{
    width: 100%;
    height: 100%;
}
.sec4 .text-box {
    z-index: 100;
    background: rgba(255, 255, 255, 0.1);
    padding:30px;
    width: 400px;
    height:80vh;
    backdrop-filter:(20px);
    border-radius:10px;
    border-radius: 1px solid rgba(255, 255, 255, 0.1);
    position: absolute;
    bottom:10%;
    left:10%;
}

/* SECTION5 */
.sec5 {
    position: relative;
    margin-bottom:100px;
}
.sec5 .sec5-imgwrap {
    position: absolute;
    top:35%;
    left:15%;
    width: 400px;
    height: 300px;
    
}
.sec5 .sec5-imgwrap img{
    width: 100%;
    height: 100%;
    object-fit: contain;
    box-shadow: 0 0 10px #fff;

}
.sec5 .text-box {
    z-index: 100;
    background: rgba(255, 255, 255, 0.1);
    padding:30px;
    width: 350px;
    height:65vh;
    backdrop-filter:(20px);
    border-radius:10px;
    border-radius: 1px solid rgba(255, 255, 255, 0.1);
    position: absolute;
    top:30%;
    right:15%;
}

/* フッター */
footer {
    background-color: black;
    height:150px;
    position: relative;
}
h6 {
    color:white;
    margin:30px;
    position: absolute;
    top:10%;
    left:5%;
    font-size: 1.5rem;
}
footer p {
    color:white;
    margin:30px;
    position: absolute;
    top:10%;
    left:50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
}

/* フッター */
.Copyright{
    position: absolute;
    left:50%;
    bottom:0;
    transform: translateX(-50%);
}
.Copyright small {
    color:#ffffff;
    font-size: 7px;
   
}


/* Checkボタン */
/* 架空温泉宿 */
a.btn {
    padding: 1rem;
    color: #614f38;
    font-size:1.0rem;/* font-size:62.5%; // 62.5% = 1rem = 10px */
    position: absolute;
    top:85%;
    left:40%;
    text-decoration: none;
    transition: .15s ease-out;
    -webkit-transform: translateZ(0);
    display: inline-block;
    box-sizing: border-box;
    border: 1px solid;
    border-radius: 3rem;
    padding: 1.0rem 3rem 1.0rem 1rem;
    color: inherit;
    text-align: center;
    line-height: 1;
    text-decoration: none;
  /* // arrow */
  &:before,
  &:after {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    content: "";
    vertical-align: middle;
  }
  &:before {
    right: 2rem;
    width: .7rem;
    height: 1px;
    background: #fff;
  }
  &:after {
    right: 20px;
    width: 6px;
    height: 6px;
    border-top: 1px solid #fff;
    border-right: 1px solid #fff;
    transform: rotate(45deg);
  }
  &:hover {
    color:#fff;
    background-color: #5c85dd;
    transform: translateY(2px);
    opacity: 1;
    &:before {
      background-color: #fff;
    }
    &:after {
      border-color: #fff;
    }
  }
}

/* bootstrap */
a.btn2 {
    padding: 1rem;
    color: #614f38;
    font-size:1.0rem;/* font-size:62.5%; // 62.5% = 1rem = 10px */
    position: absolute;
    top:75%;
    right:40%;
    text-decoration: none;
    transition: .15s ease-out;
    -webkit-transform: translateZ(0);
    display: inline-block;
    box-sizing: border-box;
    border: 1px solid;
    border-radius: 3rem;
    padding: 1.0rem 1rem 1.0rem 3rem;
    color: inherit;
    text-align: center;
    line-height: 1;
    text-decoration: none;
  /* // arrow */
  &:before,
  &:after {
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    content: "";
    vertical-align: middle;
  }
  &:before {
    left: -2.8rem;
    width: .7rem;
    height: 1px;
    background: #fff;
  }
  &:after {
    left: -4.5rem;
    width: 6px;
    height: 6px;
    border-top: 1px solid #fff;
    border-left: 1px solid #fff;
    transform: rotate(-45deg);
  }
  &:hover {
    color:#fff;
    background-color: #5c85dd;
    transform: translateY(2px);
    opacity: 1;
    &:before {
      background-color: #fff;
    }
    &:after {
      border-color: #fff;
    }
  }
}