#wrapper {
  width: 1000px;
  margin: auto;
}

a {
  text-decoration: none;
}

#body {
  background-color: #eee;
  padding: 10px;
  font-family: 'メイリオ', 'Hiragino Kaku Gothic Pro', sans-serif;
}

#left {
  width: 80%;
  background-color: white;
  margin-right: 10px;
  padding: 10px;
}

.title {
  width: 520px;
  padding: 0 40px;
  display: flex;
  margin: 20px 0 20px 2%;
  text-align: center;
  background-color: #003df0;
  border-radius: 10px;
}

.title>h3 {
  width: 80%;
  color: white;
  font-size: 30px;
  line-height: 50px;
  font-weight: bold;
  margin: 0;
}

.little-title {
  margin: 0;
}

.sikaku {
  width: 2%;
  height: 50px;
  margin: 0 4%;
  display: inline-block;
  background: white;
  transform: skewX(-30deg);
}

.flex {
  display: flex;
}

.topicpath {
  width: 1000px;
  margin: auto;
}

input[type='radio'], input[type='checkbox'] {
  cursor: pointer;
}

label {
  cursor: pointer;
}

.resset {
  display: none;
}

.resset-button {
  background-color: gray;
  color: white;
  margin-left: 5px;
  border-radius: 3px;
  padding: 0 10px;
  line-height: 22px;
  height: 23px;
  font-size: 15px;
}