@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400&display=swap");
@import url('https://fonts.googleapis.com/css2?family=Exo:ital,wght@1,200&display=swap');
/*@charset "utf-8";*/
body {
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth;}
* {
  font-family: "Noto Sans JP", sans-serif;
  outline: none;
  border: none;
  border-radius: 0;

  color: none;
  resize: none;
  /*transition: 300ms*/
  text-decoration: none;
  -webkit-appearance: none;
  appearance: none;
}
a {color:green}
a:hover {color:rgb(170, 136, 43);
  text-decoration:underline;}
a:active {color:red;
  text-decoration:underline;}
#header
{
  text-decoration:none;
background-color:Green;
width:100%;
height:none;

position:sticky;
top:0;
}
.fixed-background {
  min-height: 100vh;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
}
.backpic1 {
background-image: url(背景.jpg);
}
#welcom {
  font-weight: bold;
  font-size:50px;
}
.pic img { width: 70%; }

img  { width: 70%; }

#f 
{
  background-color: black;
  color:white;
}
.f-b img { width: 50%; }

#txt {
  background-color: rgb(166, 243, 185);
}