@charset "utf-8";

*{
    margin: 0;
    padding: 0;
    list-style:none;
    vertical-align: baseline;
    box-sizing: border-box;
}

*, *:before, *:after {
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
         -o-box-sizing: border-box;
        -ms-box-sizing: border-box;
}

html{
    scroll-behavior: smooth;
    font-size: 62.5%;
}

body {
    font-family: 'Zen Kaku Gothic New', sans-serif;
    width: 100%;
    color: #000;
    margin: 0 auto;
    font-size: 1.6rem;
    letter-spacing: 0.1em;
    background-color: #000;
    background-image: url(../images/mv_bg.webp);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    position: relative;
    height: 100dvh;
    width: 100vw;
}

body::after{
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: #0000004d;
}

main{
    height: 20%;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    display: flex;
    align-items: center;
    color: #fff;
    background: rgb(0,0,0);
    background: -moz-linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    background: -webkit-linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#000000",endColorstr="#000000",GradientType=1);
    z-index: 5;
    line-height: 1.4;
}

h1{
    font-size: 2.2rem;
    font-weight: bold;
    letter-spacing: 0.1em;
}

p{
    font-size: 1.6rem;
    margin-top: 2.2rem;
}

footer{}

section{ margin: 0 auto;}

img {
    border: 0px;
    width: 100%;
    max-width: 100%;
    vertical-align: bottom;
}

@media screen and (max-width:768px) {
    html{
        font-size: 60%;
    }
}

@media screen and (max-width:480px) {
    html{
        font-size: 58%;
    }
    h1{
        font-size: 1.8rem;
    }
    p{
        font-size: 1.4rem;
    }
}