@charset "UTF-8";

/* --------------------------------
 * base
 * -------------------------------- */
html {
  font-size: 62.5%;
}
body {
  position:relative;
  background-color: rgba( 0, 0, 0, 0.06 );
  background-size: cover;
  color: #000;
  font-size: 1.4rem;
  font-family: "Sawarabi Mincho";
  font-weight: 600;
}
*, *::before, *::after {
  box-sizing: border-box;
}

/* --------------------------------
 * header
 * -------------------------------- */
header {
  background-color:#000;
  color:#fff;
  box-shadow:0px 5px 15px -3px #000;
}
.top-img{
  width:100%;
  height:auto;
}
h1{
  color:#fff;
  padding: 5px 40px;
  margin:0;
  font-size: 2rem;
  letter-spacing: 10px;
  text-align:right;
}
.buttons{
  text-align:center;
}
.button,.button-st{
  display: inline-block;
  letter-spacing: 1px;
  width: 130px;
  color: #fff;
  font-size: 1.3rem;
  text-align: center;
  text-decoration: none;
  padding:5px;
}
.button{
  border-left: 2px solid #fff;
}
.button:hover,.button-st:hover{
  opacity: 0.7;
}


/* --------------------------------
 * about
 * -------------------------------- */
.about {
  padding: 95px 90px;
  margin:85px auto;
  width:70%;
  text-align: left;
  box-shadow:5px 0px 15px -2px #000;
  background-color:rgba(247,247,247,1);
}
.about p{
  font-size: 1.6rem;
  line-height: 20px;
}

/* --------------------------------
 * footer
 * -------------------------------- */
.footer{
  box-shadow:0px -5px 15px -3px #000;
}
.footer p{
  padding:30px;
  margin:200px auto 0;
  text-align:right;
  background-color:#000;
  color: #fff;
  letter-spacing: 5px;
}

/* --------------------------------
 * smart phone
 * -------------------------------- */
@media (max-width: 1024px) {
  body {
    background-image: none;
  }
@media (max-width: 768px) {
  body {
    font-size: 1.3rem;
  }
  
  /* --- header --- */
  h1{
    padding: 5px;
    font-size: 1.1rem;
    letter-spacing: 2px;
  }
  .buttons{
    text-align:center;
  }
  .button,.button-st{
	width:170px;
    font-size: 1.6rem;
    letter-spacing: 0px;
    padding:10px 2px;
  }
  .button{
    border:0px;
  }
  /* --- about --- */
  .about {
    padding: 55px 20px;
    margin: 85px auto;
    width: 92%;
  }
  .about p{
    font-size: 1.5rem;
    line-height: 20px;
  }
  /* --- footer --- */
  .footer p{
    padding: 25px 10px;
    margin:120px auto 0;
    letter-spacing: 2px;
  }

}