.contents-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 10px;
}

.contents-wrap:nth-child(odd) {
  flex-direction: row;
}

.contents-box {
  margin-bottom: 15px;
  padding: 10px;
  width: 46.4%;
  background-color: #f0f0f0;
  /* border: 1px solid #BCBEC0; */
  flex-direction: column;
  display: flex;
}

.contents-box img {
  display: block;
  height: auto;
}

.contents-box p {
  font-size: 15px;
  text-align: justify;
}

.item-btn {
  margin-top: auto;
}

@media screen and (max-width: 599px) {
  .contents-wrap {
    flex-direction: column;
  }

  .contents-box {
    width: 95%;
  }
}

.sample-wrap {
  margin-top: 2em;
}

.ttl {
  margin: 0.5em 0;
  font-size: 1.15em;
  color: #0082f7;
  font-weight: bold;
}

.sample04-b .card {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
}

.sample04-b .card .item {
  width: 45%;
  background: #eee;
  list-style: none;
  padding: 1em;
  position: relative;
}

.sample04-b .card .item:not(:nth-child(3n)) {
  margin-right: 15px;
}

.sample04-b .card .item:nth-child(n + 4) {
  margin-top: 15px;
}

.sample04-b .card .item a {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.sample04-b .card .txt {
  margin: 0 0 11em;
  padding: 0;
  flex-grow: 1; /* ★ポイント★ */
}

.sample04-b .card .btn {
  margin-top: auto;
  position: absolute;
  bottom: 10px;
  width: 93%;
}

@media screen and (max-width: 599px) {
  .sample-wrap {
    margin-top: 2em;
  }

  .ttl {
    margin: 0.5em 0;
    font-size: 1.15em;
    color: #0082f7;
    font-weight: bold;
  }

  .sample04-b .card {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
  }

  .sample04-b .card .item {
    width: 100%;
    background: #eee;
    list-style: none;
    padding: 1em;
  }

  .sample04-b .card .item:not(:nth-child(3n)) {
    margin-right: 15px;
  }

  .sample04-b .card .item:nth-child(n + 4) {
    margin-top: 15px;
  }

  .sample04-b .card .item a {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .sample04-b .card .txt {
    margin: 0 0 11em;
    padding: 0;
    flex-grow: 1; /* ★ポイント★ */
  }

  .sample04-b .card .btn {
    margin-top: auto;
    width: 92%;
  }
}