* {
  box-sizing: border-box;

}
body {
  font-family: "Shuei KakuGo Gin M";
  font-feature-settings: "palt";
  letter-spacing: 0.1em;
}
.indent_half {
  margin-left: 0;
}
#kv {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc((100vw - 100%) / 2 * -1);
  margin-bottom: 5em;
}
img {
  max-width: 100%;
}
#yodogawa img {
  width: 480px;
}
article {
  background-color: unset;
  padding: 0;
}
nav {
  display: none;
}
#yodogawa {
  display: none; 
}
#information_free {
  padding-top: 5em;
}
#information_free, footer .inner {
  background-color: rgba(255,255,255,0.95);
}
#information_free li {
  margin: 0;
}
#information_free .bd_b {
  border-bottom: none;
}
#information li .info_desc, #information_free li .info_desc {
  max-width: 380px;
}
.info_img .img {
  margin: 2em 0;
}
footer {
  width: 740px;
  max-width: 100%;
  margin: 0 auto;
}
@media (max-width: 1040px) {
  #kv {
    width: 100vw;
    margin-left: calc((100vw - 100%) / 2 * -1);
  }
}
@media (max-width: 640px) {
  #yodogawa, #information_free {
    width: 100%;
    padding: 1em 10%;
  }
  #yodogawa {
    padding-top: 2em;
  }
  footer .inner {
    padding-top: 1em;
  }
}