@charset "UTF-8";
*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body{
    line-height: 1;
}
img{
   vertical-align: bottom;
   max-width: 100%;
}
header{
    margin-bottom: 160px;
    position: relative;
}
header img{
    width: 100%;
}
header .concept{
    padding:30px 40px;
    background-color: rgba(255,255,255,0.7);
    text-align: center;
    position: absolute;
    width: 60%;
    left: 0;
    right: 0;
    margin: auto;
    bottom: 40%;
}
.concept h1{
    margin-bottom: 20px;
    font-size: 46px;
}
.concept p{
    line-height: 1.68;
}
main{
    margin-bottom: 50px;
}
main h2{
    text-align: center;
    margin-bottom: 40px;

}
main .contents-box{
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 30px;
}
.contents-box{
    margin-bottom: 30px;
    text-align: center;
}
.contents-box p{
    padding: 10px 0;
    line-height: 1.68;

}
 footer{
    padding: 30px 0 60px;
    text-align: center;
 }


/* sp対応 */
@media(width <=480px){

header .concept{
width: 90%;
bottom: auto;
top: 30%;
/* background-color: transparent;透明色     */

}    
.concept h1{
    font-size: 30px;
}
main .contents-box{
    grid-template-columns: repeat(1, 1fr);
    gap: 140px;
}
.contents-box p{
    padding: 20px 16px;
}

}