.sidebar {
  width: 30%;
  padding: 20px;
}
.sidebar h2 {
  font-size: 1.5rem;
  font-weight: bold;
  margin:20px auto 10px auto;
    width: fit-content;
    display: block;
}
.sidebar h2::after {
  content: "";
  display: block;
  width: 50%;
  height: 2px;
  background-color: #014d03;
  margin: 10px auto 0 auto;
}

.archive {
  text-align: center;
  margin-bottom: 60px;
}
.archive ul {
  border-bottom: solid  1px #777;
}
.archive li {
  font-size: 1.2rem;
  
  padding: 10px;
  text-align: left;
}

/*-------------------------------------------
SP
-------------------------------------------*/
@media screen and (max-width: 767px) {
  /*-------------------------------------------
  aside
  -------------------------------------------*/
  .sidebar {
    width: 100%;
    padding: 0;
  }
}