* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
}

img {
  width: 100%;
}

html[lang="ja"] {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "メイリオ", sans-serif;
}

section {
  padding: 80px 0;
  text-align: center;
}

.inner {
  max-width: 960px;
  margin: 0 auto;
}

footer {
    background-color: #e82f8a;
    padding: 50px;
}

.footer_list {
    display: flex;
    justify-content: space-between;
}

.footer_list_item {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    border: 1px solid #fff;
    padding: 10px;
    width: 32%;
}

.footer_sns_icon {
    width: 28px;
    margin-right: 10px;
}

h2 {
    text-align: center;
    font-size: 36px;
    color: #e82f8a;
    margin-top: -60px;
    margin-bottom: 60px;
}

.btn_back a {
    display: inline-block;
    width: 480px;
    text-align: center;
    padding: 20px 0;
    font-weight: bold;
    background-color: #ccc;
    color: #fff;
    font-size: 28px;
    box-shadow: 12px 12px 0 #aaa;
    margin-top: 40px;
}

.sp {
  display: none;
}

@media (max-width: 840px) {
  section {
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 480px) {
  section {
    padding-left: 20px;
    padding-right: 20px;
  }
  h2 {
    font-size: 24px;
    margin-top: -70px;
    margin-bottom: 40px;
  }
  footer {
    padding: 40px 20px;
  }
  .footer_list {
    flex-direction: column;
    gap: 15px;
  }
  .footer_list_item {
    width: 100%;
  }
  .btn_back a {
        width: 100%;
        font-size: 20px;
        box-shadow: 6px 6px 0 #aaa;
    }
  .thanks p {
    font-size: 14px;
    text-align: left;
  }
  .pc {
    display: none;
  }
  .sp {
    display: block;
  }
}