@charset "utf-8";

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}


html {
  scroll-behavior: smooth;
  color: #666666;
  font-family: "Noto Sans JP", sans-serif;
  background-color: #f9f3ee;
}

h1{
  text-align: center;
  margin: 30px;
  font-size: 28px;
}

.illus{
  margin: 0 auto;
  width: 60%;
}

.illus img{
text-align: center;
margin-bottom: 20px;
}

.ill_text{
  text-align: center;
  padding: 10px;
  line-height: 1.7;
  font-size: 16px;
}

.com_text{
  text-align: center;
  padding: 10px;
  line-height: 1.7;
  font-size: 16px;
}

.sensei{
  text-align: right;
  margin-right: 30px;
  margin-bottom: 30px;
  font-size: 16px;
}

.close{
  display: block;
  padding: 20px 0;
  text-align: center;
}


.round_btn {
  display: block;
  position: relative;
  width: 30px;
  height: 30px;
  border: 1px solid #666; 
  border-radius: 50%; 
  margin-top: 20px;
  margin-left: 90%;
  }

.round_btn::before, .round_btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px; 
  height: 22px; 
  background: #666; 
}

.round_btn::before {
  transform: translate(-50%,-50%) rotate(45deg);
}

.round_btn::after {
  transform: translate(-50%,-50%) rotate(-45deg);
}

@media screen and (max-width: 768px){

  h1{
    margin: 30px;
    font-size: 20px;
  }
  
  .illus{
    width: 90%;
  }
  
  
  .ill_text{
    text-align: left;
    font-size: 12px;
  }
  
  .com_text{
    text-align: left;
    font-size: 12px;
  }
  
  .sensei{
    font-size: 12px;
  }



}