@charset "utf-8";
/* ----------
common
-------------- */
:root{
    --primary-purple:#8f4bc4;
    --primary-black:#322727;
}

html{
    font-size: 62.5%;
}
body{
    font-family:"Noto Serif JP";
    font-style: normal;
    color:rgb(59,37, 37);
    line-height: 1.5;
}
.btn{
    display: block;
    text-align: center;
    margin: 0 auto;
    width: 270px ;
    color: white;
    font-size: 3rem;
    line-height: 1;
    background: linear-gradient(to bottom, #D0CFD1 0%, #6A6A6B 100%);
    box-shadow: 5px 5px 8px #4A4A4B;
    padding: 15px 30px ;
    border-radius: 30px;
    transition: 0.4s;
}
.btn:hover{
    opacity: 0.5;
}

.btn_m{
    display: block;
    text-align: center;
    margin: 0 auto;
    width: 180px ;
    color: white;
    font-size: 2rem;
    line-height: 1;
    background: linear-gradient(to bottom, #D0CFD1 0%, #6A6A6B 100%);
    box-shadow: 5px 5px 8px #4A4A4B;
    padding: 8px 20px ;
    border-radius: 20px;
    transition: 0.4s;
}
.btn_m:hover{
    opacity: 0.5;
}
.topic__title{
    display: block;
    text-align: center;
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    padding: 80px 0 ;

    position: relative;
    z-index: 2;
}
.topic__title span{
    font-size: 2.4rem;
    font-weight: 600;
}
.topic__title::after{
    position: absolute;
    content: "";
    width: 455px;
    height: 20px;
    top: 50%;
    left: 50%;
    transform: translateX(-50%);
    background-position: center;
    z-index: -1;
}


/* Header */
.header{
    padding: 20px 140px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 92px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    background-color: transparent;
}

.logo{
    width:223px;
    height: 52px; 
}
.nav_list{
    display: flex;
    align-items: center;
}
.nav__txt{
    font-size: 1.8rem;
    line-height: 1.3;
    padding: 0 40px;
}
.nav__q_btn{
    display: block;
    text-align: center;
    align-items: center;
    color: antiquewhite;
    font-size: 2rem;
    line-height: 1;
    background-color:rgb(143, 75, 196);
    width: 200px;
    height: 34px;
    padding: 5px 10px;
    border-radius: 10px;
    transition: 0.4s;
}

/* footer PC */
.footer{
    padding: 60px 0 100px 0 ;
    /* position: relative; */
}
.footer_logo{
    display: block;
    align-items: center;
    margin: 0 auto;
    width: 223px;
    height: 52px;
}
.footer_nav{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin: 40px 0 ;
}
.footer__txt{
    font-size: 2rem;
}
.sns{
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}
.sns_icon{
    width: 30px;
    height: 30px;
}
.copy{
    font-size: 1.2rem;
    display: block;
    text-align: center;
    margin: 50px;
}
.topBtn{
    /* position: absolute; */
    position: fixed;
    display: inline-block;
    font-size: 2rem;
    background-color: #4A4A4B;
    color: white;
    padding: 18px;
    text-align: center;
    border-radius: 100%;
    box-shadow: 2px 2px 4px 2px rgba(29,101,101,0.5);
    bottom: 2%;   
    right: 1.4%;
}