body 
{
 font-family: 'Avenir','Helvetica Neue','Helvetica','Arial','Hiragino Sans','ヒラギノ角ゴシック',
              'YuGothic','Yu Gothic','メイリオ', 'Meiryo','ＭＳ Ｐゴシック','MS PGothic', sans-serif ;
 margin: 0;
 padding: 0;
}

body::before 
{
 position:fixed;
 display:block;
 top:0;
 left:0;
 z-index:-1;
 width:100vw;
 height:100vh;
 background:url("https://makotojinno.com/images/sotf%202014.jpg");
 background-repeat:no-repeat;
 background-position: center top;
 background-size: cover;
}

.bottom_space 
{
  margin-bottom: 0;
}

.top_space 
{
  margin-top: 0;
}

h1 
{ 
 font-size:400%;
} 

h2 
{ 
 font-size:100%;
} 

h3 
{ 
 font-size:50%;
} 

.font-small
{
 font-size: 0.6em;
}

.img
{
 position: relative;
 background-image: url(https://makotojinno.com/images/sotf%202014.jpg);
 background-position: center top;
 background-size: cover;
 width: 100%;
 height: 100vh;
}

.message
{ 
 position: absolute;
 width: 100%;
 bottom: 0; 
 height: 100%;
 background-color: rgba(0,0,0,0.3);
 color: #fff;
}
/*  https://makotojinno.com/images/sotf%202014.jpg  */