* {
  padding: 0;
  margin: 0;
}

body {
  width: auto;
  height: auto;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  overflow-x: hidden;
  background-color: white;
}

.top {
  width: 100%;
  margin-top: 50px;
  margin-bottom: 200px;
  position: relative;
}

h1 {
  color: #ABCDA5;
  -webkit-text-stroke: 5px white; /* ベンダープレフィックス */
  font-size: 200px;
  font-weight: bold;
  text-align: center;
  position: absolute;
  top: 10%;
  left: 13%;
}

h2 {
  color: white;
  background-color: rgba(172, 206, 166, .5);
  font-size: 30px;
  font-weight: bold;
  display: flex;
  align-items: center;
  top: 50%;
  left: 0%;
  padding-top: 80px;
  padding-bottom: 80px;
  position: absolute;
  display: inline-block;
  width: 100%;
}

.haikei, .roleplay, .mondai, .other {
  width: 60%;
  margin-bottom: 200px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

h3 {
  color: white;
  background-color: #ABCDA5;
  font-size: 40px;
  font-weight: normal;
  padding-top: 30px;
  padding-bottom: 30px;
  padding-left: 150px;
  padding-right: 150px;
  border-radius: 1em;
  margin-bottom: 50px;
  display: inline-block;
  box-shadow: 0px 3px 10px rgb(104, 104, 104)
}

.LR {
  display: flex;
  margin-bottom: 80px;
}

.icon-haikei {
  width: 350px;
  height: auto;
  margin-right: 80px;
}

p {
  font-size: 20px;
}

.p1 {
  color: #ABCDA5;
}

.p2 {
  color: #ABCDA5;
  font-weight: bold;
}

.prototype {
  width: 180px;
  height: auto;
}

.roleplayR, .mondaiR {
  margin-left: 80px;
}

.icon-roleplay, .icon-mondai {
  width: 300px;
  height: auto;
}

.big {
  font-size: 40px;
}

.icon-mondai{
  margin-bottom: 30px;
}

.otherL {
  padding-right: 170px;
  margin-left: 40px;
  position: relative;
  /* 絶対配置（absolute）を指定するため */
}

.icon-kaisetsu, .icon-taisaku {
  width: auto;
  height: 200px;
}

.icon-kaisetsu {
  position: absolute;
  top: 100px;
  left: -250px;
}

.otherR {
  border-left: dashed 3px #ABCDA5;
  padding-left: 170px;
  margin-right: 160px;
  position: relative;
  /* 絶対配置（absolute）を指定するため */
}

.icon-taisaku {
  position: absolute;
  top: 100px;
  right: -260px;
}

.prototype + p {
  margin-top: 15px;
}

.other p {
  font-size: 18px;
  font-weight: bold;
}

footer {
  height: 150px;
  background-color: #ABCDA5;
  position: relative;
}

footer p {
  color: white;
  position: absolute;
  top: 40%;
  left: 42%;
}