@charset "UTF-8";

html {
  font-size: 100%;
}

body {
  font-size: 1rem;
  color: #333;
  font-family: 'Noto Sans', 'Noto Sans JP', sans-serif;
}

ul {
  list-style-type: none;
}

a {
  text-decoration: none;
  color: #333;
}

/* a:hover { */
/*   opacity: 0.7; */
/* } */

img {
  max-width: 100%;
}

.wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: 10px;
}

header {
  position: fixed;
  z-index: 10;
  left: 0;
  right: 0;
  height: 100px;
  background-color: #fff;
}

header section.content {
  display: flex;
  justify-content: space-between;
  height: 100px;
  align-items: center;
}

header section.content a {
  display: block;
}

header nav a, main section a {
  position: relative;
  padding-bottom: 1px;
}

header nav a::after, main section a::after {
  content: '';
  position: absolute;
  height: 1px;
  width: 100%;
  left: 0;
  bottom: 0;
  background: #333;
  transition: all 200ms ease;
}

header nav a:hover::after, main section a:hover::after {
  opacity: 0;
  transform: translateY(3px);
}

header section.content img {
  position: relative;
  top: 5px;
}

header section.content ul {
  display: flex;
}

header section.content li {
  margin-left: 20px;
}

header section.content li:first-child {
  margin-left: 0;
}

main .mainvisual {
  padding-top: 100px;
}

main #mainvisual1 {
  background-image: url(../images/monitor.jpg);
  background-repeat: repeat;
  height: 300px;
}

/* main .mainvisual img { */
/*   width: 100%; */
/*   max-width: 1920px; */
/*   height: 300px; */
/*   object-fit: cover; */
/* } */

main section.wrapper {
  margin-top: 20px;
}

main section h2 {
  margin-top: 20px;
  display: inline-block;
  font-weight: 500;
  /* border-bottom: solid 1px #ccc; */
}

main section p {
  margin-top: 15px;
}

main section .readmore {
  margin-top: 20px;
  text-align: center;
}

main section dl {
  margin-top: 20px;
  border-top: solid 1px #ccc;
  display: flex;
  flex-wrap: wrap;
}

main section dt {
  width: 25%;
  padding: 15px;
  border-bottom: solid 1px #ccc;
}

main section dd {
  width: 70%;
  height: 100%;
  padding: 15px;
  border-bottom: solid 1px #ccc;
}

footer {
  text-align: center;
}

footer.wrapper {
  padding-top: 40px;
}

main section.message img {
  border-radius: 50px;
  float: left;
  margin-right: 20px;
  margin-bottom: 20px;
}

@media screen and (max-width: 800px) {
  header section.content {
    flex-direction: column;
  }
}