@charset "utf-8";
/* CSS Document */


body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,p,blockquote{margin:0;padding:0;}
h1,h2,h3,h4,h5{font-size:100%;}

body, html, img, td, th {
    outline: 0;
}

a, body, html, img, td, th {
    background: 0 0;
    margin: 0;
}

html, img {
    border: 0;
}

html {
    overflow-y: scroll;
}

body, label, table {
    border: 0;
}

body, html, label, table {
    padding: 0;
    vertical-align: baseline;
}

*, *::before, *::after {
    box-sizing:border-box;
}

.clearfix::after {
    content:'';
  　display:block;
  　clear:both;
}

ol,ul{list-style:none;}

body{
    
    font: 13px / 1.231 ryo-gothic-plusn, arial, helvetica, clean, sans-serif;
    font-weight: 400;
    font-style: normal;
    color: #3c5160;
    line-height: 1.5em;
    letter-spacing: 0.1em;
    margin: 0 auto;
    padding: 0;
    
}

a{
    text-decoration: underline;
    color: #3c5160;
}

a:hover{
    opacity: 0.5;
}

.wrapper{
    min-height: 100vh;
    position: relative;
    padding-bottom: 120px;
    box-sizing: border-box;
}

.container{
    max-width:800px;
    margin: 0 auto;
    padding-top: 20px;
}

header{
    display: flex;
    justify-content: space-between;
    margin: 0px 10px;
}


.description{
    font-size: 0.9em;
    line-height: 1.3em;
    /*background-color:beige;*/
    text-align: right;
}

.yamatei_logo{
    /*background-color:coral;*/
}

.yamatei_logo img{
    max-width: 300px;
}

h1{
    
}

main{
    margin-top: 60px;
}

h2{
    
}



.heading-28 {
    font-weight: 400;
    font-size: .75rem;
    letter-spacing: .04em;
    text-align: center;
}

.heading-28::before {
    display: block;
    font-weight: 700;
    font-size: 1.65rem;
    line-height: 1.5;
    letter-spacing: .02em;
    content: attr(data-label);
}

h3{
    margin: 20px auto 0px;
    background-color: #C3C3C3;
    color: #fff;
    padding: 10px 0px;
    text-align: center;
    font-weight: normal;
}


.youtube {
  width: 100%;
  aspect-ratio: 16 / 9;
}
.youtube iframe {
  width: 100%;
  height: 100%;
}




footer{
    margin-top: 30px;
    background: #acacac;
    padding: 30px 0px;
    line-height: 2em;
    font-size: 10px;
    width: 100%;
    position: absolute;
    bottom: 0;
    color: #fff;
}


.footer_w{
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}




@media screen and (max-width: 680px){
    header{
        display: block;
    }
    
    .description{
        text-align: left;
    }
    
}