/* 全体共通 */
body{
    font-family: "Noto Sans JP", sans-serif;
    background-color: #181619;
}

/* ヘッダー */
header{
    color:#ffffff;
}

header .row{
    display:flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
    padding:20px 0
}

header .logo{
    font-size: 24px;
    font-weight: 700;
}

header nav ul{
    display: flex;
}

header nav ul li{
    margin-left: 50px;
}

header nav ul li a{
    transition: .4s;
}

header nav ul li a:hover{
    transition: .4s;
    opacity: 0.6;
}

@media only screen and (max-width: 960px) {
    header .row{
        display: block;
    }
    header nav ul{
        justify-content: space-between;
        margin-top: 20px;
    }
    header nav ul li{
        margin-left: 0;
    }
}

/* メインビジュアル */
.main_visual{
    background-image: url('../images/mv2.jpg');
    background-size: cover;
    background-position: center top;
}

.main_visual .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
    height: 640px;
    position: relative;
}
.main_visual .title{
    position: absolute;
    bottom: 100px;
    left: 0;
}
.main_visual h1{
    font-size: 70px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
}

.main_visual p{
   font-size: 24px;
   font-weight: 900;
   color: #ffffff;
}

@media only screen and (max-width: 960px){
    .main_visual h1{
    font-size: 52px;
    }
    .main_visual .container{
    height: 540px;
    }
}

/* javascript */
.main_visual .mask-item {
  width: 450px;
  height: 450px;
  background: black;
  display: flex;
  justify-content: center;
  align-items: center;
  clip-path: circle(0% at 50% 50%);
  border-radius:50%;
  font-weight: bold;
  color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    font-size: 70px;
}

/* セクション１ */
.section1{
    color: #ffffff;
    padding: 80px 0;
}

.section1 .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
}

.section1 .row{
    display: flex;
    justify-content:space-between ;
}

.section1 .col{
    width: 48%;
}

.section1 .sub_title{
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 5%;
    line-height: 0;
}

.section1 h2{
    font-size: 60px;
    font-weight: 700;
    line-height: 1;
}

.section1 .text{
    font-size: 18px;
    line-height: 1.8;
    padding-top: 50px 0;
    padding-bottom: 50px;
}

.btn{
    font-size: 18px;
    border:solid 1px #ffffff;
    border-radius: 100px;
    display: inline-block;
    width: 270px;
    line-height: 60px;
    text-align: center;
    transition: .4s;
}

.btn:hover{
    color: aqua;
    border: solid 1px aqua;
    transition: .4s;
}

@media only screen and (max-width: 960px) {
    .section1 .row{
    display: flex;
    justify-content:space-between ;
    flex-wrap: wrap;
    }

    .section1 .col{
    width: 100%;
    }

    .section1 h2{
    font-size: 24px;
    }

    .section1 .text{
    font-size: 15px;
    line-height: 1.6;
    padding-top: 30px 0;
    padding-bottom: 40px;
    }
}

/* セクション２ */
.section2{
    color: #ffffff;
    padding: 80px 0;
}

.section2 .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
}

.section2 .sub_title{
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 5px;
}

.section2 h2{
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
}

.section2 .row{
    display: flex;
    justify-content:space-between ;
    margin-bottom: 60px;
}

.section2 .col{
    width: 31%;
    position: relative;
}

.section2 img{
    border-radius: 20px;
}

.section2 h3{
    background-color: gray;
    display: inline-block;
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    border-radius: 10px;
}

.section2 .center{
    text-align: center;
}

@media only screen and (max-width: 960px){
    .section2 .row{
    margin-bottom: 20px;
    flex-wrap: wrap;
    }

    .section2 .col{
    width: 100%;
    margin-bottom: 20px;
    }
}

/* セクション３*/
.section3{
    color: #ffffff;
    padding: 80px 0;
}

.section3 .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
}
.section3 .sub_title{
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 5px;
}

.section3 h2{
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
}

.section3 .row{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.section3 .col{
    width: 48%;
}

.section3 .text{
    line-height: 1.8;
    margin-bottom: 50px;
}

.section3 img{
    border-radius: 20px;
}

@media only screen and (max-width: 960px){
    .section3 .row{
    flex-wrap: wrap;
    }

    .section3 .col{
    width: 100%;
    margin-bottom: 30px;
    }
}



/* フッター */
footer{
    color: #ffffff;
    text-align: center;
    font-size: 12px;
}

footer .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
    border-top: solid  1px #ffffff;
    padding: 50px 0 20px;
}

footer .logo{
    font-size: 20px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 40px;
}

footer ul{
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}

footer ul li{
    font-size: 12px;
    margin: 0 20px;
}

footer ul li a:hover{
    transition: .2s;
    opacity: 0.6;
}

/*下層ページ共通 */
.page_main_visual{
    background-image: url('../images/mv2.jpg');
    background-size: cover;
    background-position: center top;
}

.page_main_visual .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
    height: 300px;
    position: relative;
}
.page_main_visual .title{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    text-align: center;
}
.page_main_visual h1{
    font-size: 40px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
}

.page_main_visual p{
   font-size: 20px;
   font-weight: 500;
   color: #ffffff;
}

/* about用セクション１*/
.about_section1{
    color: #ffffff;
    padding: 80px 0;
}

.about_section1 .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
}

.about_section1 .row{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.about_section1 .col{
    width: 48%;
}

.about_section1 .img{
    border-radius: 20px;
}

.about_section1 table{
    width: 100%;
}

.about_section1 table tr{
    padding: 20px 0;
    display: block;
    border-bottom: solid 1px #ffffff;
    line-height: 1.5;
}

.about_section1 table tr th{
    width: 150px;
}

@media only screen and (max-width: 960px){
    .about_section1 .row{
    flex-wrap: wrap;
    }

    .about_section1 .col{
    width: 100%;
    margin-bottom: 30px;
    }

    .about_section1 table tr th{
    width: 90px;
    }
}

/* strength セクション１*/
.strengths_section1{
    color: #ffffff;
    padding: 80px 0;
}

.strengths_section1 .container{
    width: 90%;
    margin: 0 auto;
    max-width: 1280px;
}
.strengths_section1 .sub_title{
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 3%;
}

.strengths_section1 h2{
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
}

.strengths_section1 .row{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.strengths_section1 .col{
    width: 48%;
}

.strengths_section1 .text{
    line-height: 1.8;
    margin-bottom: 50px;
}

.strengths_section1 img{
    border-radius: 20px;
}

@media only screen and (max-width: 960px){
    .strengths_section1 .row{
    flex-wrap: wrap;
    }

    .strengths_section1 .col{
    width: 100%;
    margin-bottom: 30px;
    }
}