html {
  scroll-behavior: smooth;
}
body {
  font-family: 'Noto Sans JP', sans-serif;
  text-align: center;
  font-size: 14px;
  background-image: url(img/main_back.jpg);
  background-position: 50% -220px;
  border-width: medium;
  margin: 0;
}
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}
p {
  margin: 0px;
  text-align: left;
  line-height: 1.4em;
  font-weight: 100;
}
.con2_txt.clearfix p {
  font-size: 1rem;
  line-height: 1.4em;
}
section.main {
  max-width: 1000px;
  margin-right: auto;
  margin-left: auto;
  margin-top: 0px;
}
.main_text {
  font-size: 1.5em;
  font-family: 'M PLUS Rounded 1c', sans-serif;
  color: #000;
  margin-top: 30px;
  margin-right: auto;
  margin-left: auto;
  margin-bottom: 15px;
  line-height: 1.5em;
  font-weight: 300;
  width: auto;
  padding: 30px;
  min-height: 0px;
}
.main_text div {
  max-width: 800px;
  margin-right: auto;
  margin-left: auto;
  padding: 20px;
  background-color: rgba(223, 223, 223, 0.70);
  border-radius: 10px;
  text-align: left;
  border: 1px solid #000000;
}
.main_text div p {
  line-height: 1.7em;
  color: #000000;
}
h2.main_text {
  font-size: 1.8em;
  font-family: 'M PLUS Rounded 1c', sans-serif;
  color: #FFF;
  margin-top: 0px;
  margin-right: 0px;
  margin-left: 0px;
  margin-bottom: 15px;
  line-height: 1.2em;
  font-weight: 400;
  width: auto;
  background-color: #284583;
  padding-top: 20px;
  padding-bottom: 20px;
}
.con {
  width: 48%;
  float: left;
  margin-left: 1%;
  margin-right: 1%;
  max-width: 800px;
}
section.con {
  width: 48%;
  float: left;
  margin-left: 1%;
  margin-right: 1%;
  max-width: 800px;
}
.con1 .clearfix p {
  font-size: 1.4em;
  line-height: 1.6em;
}
.con2_ph_up {
  margin-bottom: 20px;
}
.con2_ph_up img {
  max-width: 400px;
}
.con2_ph_up img:hover {
    filter: brightness(0.7);
    filter: drop-shadow(5px 5px 5px #999999);
    opacity: 0.7;
}
.copy {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 50px;
  font-size: 1rem;
}
/* Font Awesome */
#page_top::before {
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  content: '\f106';
  font-size: 30px;
  color: #ffffff;
  position: absolute;
  width: 30px;
  height: 30px;
  top: -5px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center;
}
@media (max-width:600px) {
  .main_text {
    font-size: 1.4em;
    font-family: 'M PLUS Rounded 1c', sans-serif;
    color: #000;
    line-height: 1.2em;
  }
  .mainimg2 img {
    width: 90%;
  }
  .con_ph {
    float: none;
    width: 100%;
    margin: 0px;
    max-width: none;
  }
  .con_ph2 {
    float: none;
    width: 90%;
    max-width: none;
    margin-right: auto;
    margin-left: auto;
  }
  .con {
    width: 100%;
    float: none;
    padding-bottom: 10px;
  }
  .con2_ph_up img {
    max-width: 80%;
    margin-top: 5px;
  }
}