.c-blue {
  color: #18366C;
}

.c-orange {
  color: #FF9318;
}

.c-white {
  color: #fff;
}

.bg-blue {
  background-color: #18366C;
}

.bg-orange {
  background-color: #FF9318;
}

.bg-white {
  background-color: #fff;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
h2.sec-title_head {
  display: inline-block;
  font-weight: 500;
  font-size: 28px;
}

p.sec-title_en {
  font-size: 16px;
}

.floating-btn {
  width: 100px;
  height: 100px;
  position: fixed;
  bottom: 65px;
  right: 15px;
  z-index: 9995;
}
.floating-btn img {
  width: 100%;
}
img.arrow {
  width: 50px;
  height: 8px;
  padding-right: 20px;
}
.readmore-btn {
  position: relative;
  gap: 20px;
  align-items: center;
  transition: 0.3s;
}
.readmore-btn a {
  font-size: 14px;
  display: block;
  width: 100%;
  height: 100%;
  line-height: 50px;
  text-align: center;
}
.contents-wrap {
  width: calc(100% - 40px);
  margin: 0 auto;
}
/**  フッター
****************************************************************************/
#footer {
  width: 100%;
  padding-bottom: 10px;
  position: relative;
}

.footer-container {
  justify-content: space-between;
}

.footer-info_area {
  max-width: 800px;
  width: 40%;
  background-color: #fff;
  padding: 70px 50px;
}

.footer-logo {
  width: 240px;
}
.footer-logo img {
  width: 100%;
}

.footer-info_text {
  margin-top: 30px;
  font-size: 14px;
}

ul.footer-nav_area {
  width: 60%;
  flex-wrap: wrap;
  background-color: #18366C;
  align-items: center;
  justify-content: flex-start;
  gap: 30px;
  padding: 50px;
  row-gap: 1px;
}

li.footer-nav a {
  font-size: 14px;
  font-weight: bold;
}

.page-top {
  position: absolute;
  top: 15px;
  right: 5%;
  font-size: 12px;
  gap: 10px;
  align-items: center;
}
.page-top img {
  width: 30px;
  height: 30px;
}

p.copyright {
  font-size: 12px;
  padding: 90px 30px 0 0;
}


@media screen and (max-width: 780px) {

  h2.sec-title_head {
    font-size: 22px;
  }
  p.sec-title_en {
    font-size: 12px;
  }
  .floating-btn {
    width: 70px;
    height: 70px;
    bottom: 5px;
    right: 5px;
  }
  .readmore-btn {
    position: relative;
    gap: 20px;
    align-items: center;
    transition: 0.3s;
  }
  .readmore-btn a {
    font-size: 14px;
  }

    /**  フッター
  ****************************************************************************/
  #footer {
    width: 100%;
    padding-bottom: 10px;
    position: relative;
  }
  .footer-container {
    flex-wrap: wrap;
    flex-direction: column-reverse;
  }
  .footer-info_area {
    width: 100%;
    background-color: #fff;
    padding: 40px 20px;
  }
  .footer-logo {
    width: 180px;
  }
  .footer-logo img {
    width: 100%;
  }
  .footer-info_text {
    margin-top: 30px;
    font-size: 14px;
  }
  ul.footer-nav_area {
    width: 70%;
    display: block;
    padding: 50px 20px 20px;
  }
  li.footer-nav {
    margin-bottom: 16px;
  }
  li.footer-nav a {
    font-size: 14px;
    font-weight: bold;
  }
  .page-top {
    position: absolute;
    top: -15px;
    right: unset;
    left: 3%;
    font-size: 10px;
  }
  p.copyright {
    font-size: 10px;
    padding:0 0 90px;
    text-align: center;
  }
}