html {
  font-size: 18px;
}


video {
  max-width: 100%;
}

img {
  max-width: 100%;
}

body {
  margin: 0 0 0 0;
}

* {
  box-sizing: border-box;
}



.mymap {
  margin-left: 20px;
  margin-right: 20px;
  text-align: center;
}

p,
li,
td {
  margin-left: 10px;
  line-height: 1.7;
}



main {
  background-color: rgba(97, 210, 141, 0.326);
}

.nav a:link {

  color: #253958;
}

.nav a:visited {
  color: #253958;
}

.nav a:hover {
  text-decoration: none;
}

.nav a:active {
  text-decoration: none;
}

.nav ul {
  margin: 30px 0 0 0;
  padding: 0;
  list-style-type: none;

  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 22px;
}


.nav2 a:link {
  color: #253958;
}

.nav2 a:visited {
  color: #253958;
}

.nav2 a:hover {
  text-decoration: none;
}

.nav2 a:active {
  text-decoration: none;
}

.nav2 ul li {
  margin: 30px 0 0 0;
  padding: 0;
  list-style-type: none;
  justify-content: center;
  gap: 20px;
  font-size: 22px;
}



.side {
  display: flex;

  margin: 10px;

  gap: 10px;

}

.side2 {
  display: flex;
  margin: 50px;
  gap: 40px;

}


.individuallesson {
  border-collapse: collapse;
}

.individuallesson th,
.individuallesson td {
  border: 4px solid #198e5c;
  background-color: rgba(0, 255, 42, 0.233);
  padding: 10px;
}

tbody {
  box-shadow: 5px 5px 2px 1px #4b6814;
}

.individuallesson th {
  width: 112px;
  text-align: left;
  vertical-align: top;
}

.side p {
  margin: 40px 0px 0px 30px;
}




main h1 {
  background: #FFF;
  border-radius: 10px;

}

.logo {
  text-align: center;
}

.logo-kokubann {
  padding-top: 50px;
  text-align: center;
}

.gotop {
  text-align: center;

}



.logo-whale {
  text-align: center;
}

.individuallesson {
  border-collapse: collapse;

}





#center {
  margin-left: 30px;
  margin-right: 20px;
  text-align: center;

}

#yoko {
  justify-content: space-around;

}



.contents p {
  background-color: #15e28d;
  padding: 10px;
  margin: 0 40px 0 40px;
  text-align: center;
}

.contents ol {
  background-color: rgba(108, 230, 52, 0.16);
  padding: 10px;
  margin: 0 40px 0 40px;
}

input {
  display: none
}

.contents li {

  padding: 10px;
  margin: 0 40px 0 40px;
}

.gotop {
  text-align: center;

}

.copyright {
  margin-top: 0px;
  margin-bottom: 0;
  margin-left: 0px;
  padding-top: 75px;
  padding-bottom: 75px;
  background-color: #7ad8a9;
  color: #FFFFFF;
  text-align: center;
}


.hannbagu img {
  z-index: 100;
  position: fixed;

}


.hannbagu2 {
  width: 100%;
  height: 100%;
  z-index: 2;
  top: 0%;
  position: fixed;
  background-color: #ffffff;
  left: 100%;
  transition-duration: 0.7s;
  overflow: scroll;

}

#menubtncheck:checked~.hannbagu2 {
  left: 0%;

}

#left {

  margin-left: 60px;
  margin-right: 10px;
  text-align: right;


}

#left2 {

  margin-left: 50px;
  margin-right: 49px;
  text-align: right;


}

.items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}


@media(max-width: 767px) {

  .items {
    grid-template-columns: 1fr;
  }

  #textwrap {

    overflow-wrap: break-word;
  }

  .nav ul {
    flex-wrap: wrap;
    gap: 10px;
  }

  main {
    padding: 0 2%;
  }

  /* index.html */
  .hero.index {
    padding: 28vh 0;
  }



  .mymap iframe {
    width: 100%;
  }

  .video {
    width: 100%;

  }



  .sukuro-ru {
    overflow-x: auto;
    white-space: nowrap;
  }

  .side2 {
    display: block;
    margin: 50px;
    gap: 40px;
    overflow-wrap: break-word;

  }

  .side {

    margin: 10px;
    overflow-wrap: break-word;

  }



}