@charset "utf-8";

/*---------reset---------*/
* {
	margin: 0;
	padding: 0;
    box-sizing: border-box;
    font-family: 'Noto Sans JP', sans-serif;
}
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure,
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    vertical-align:baseline;
    background:transparent;
}
article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section {
    display:block;
}
nav ul {
    list-style:none;
}
blockquote, q {
    quotes:none;
}
blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}
a {
    margin:0;
    padding:0;
    vertical-align:middle;
    background:transparent;
    text-decoration: none;
    color:#191919;
}

img{
    backface-visibility: hidden;
}

h1,h2,h3,h4,h5,h6,p{
    letter-spacing: 1px;
}

p{
    line-height: 30px;
}

main{
    overflow: hidden;
}

/*---------style---------*/

.sp{
    display: none;
}

main{
    position: relative;
    background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)),url(../img/cd_07.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    height: 100vh;
}

.logo{
    position: absolute;
    z-index: 99;
    margin: 20px;
}

.text_box{
    position: absolute;
    color: #ffffff;
    text-align: center;
    top: 50%;
    left: 50%;
    max-width: 60%;
    transform: translateY(-50%) translateX(-50%);
    -webkit- transform: translateY(-50%) translateX(-50%);
}

h3{
    margin: 40px 0 20px;
    display: flex;
    align-items: center;
}

h3:before,h3:after{
    content: "";
    border-top: 1px solid #ffffff;
    content: "";
    flex-grow: 1;
}

h3:before{
    margin-right: 1rem;
}

h3:after{
    margin-left: 1rem;
}

p{
    font-weight: 300;
    font-size: 16px;
}

.back_box{
    -webkit-appearance: none;
    background: #1B8F88;
    border: 1px solid #FFFFFF;
    width: fit-content;
    padding: 7px 30px;
    box-sizing: border-box;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    border-radius: 60px;
    font-weight: 600;
    letter-spacing: 2px;
	font-size: 17px;
    margin: 50px auto 0;
}

.back_box a{
    color: #ffffff;
}

.back_box p{
    font-weight: 600;
}

footer{
    background: #1B8F88;
}

footer p{
    color: #ffffff;
    font-size: 13px;
    text-align: center;
    font-weight: 300;
}

@media (max-width: 480px){

    .sp{
        display: block;
    }

    .text_box{
        position: unset;
        top: unset;
        left: unset;
        transform: unset;
        margin: 30px;
        max-width: unset;
    }

    h2{
        margin-top: 110px;
        font-size: 20px;
    }

    h3{
        font-size: 17px;
    }
}