.inner h3 {
  padding-top: 1em;
  font-size: 28px;
  font-weight: 700;
  position: relative;
  line-height: 1.4em;
}
.inner p {
  line-height: 2em;
}
.grid2 {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
}
.btn-green {
  display: inline-flex;
  position: relative;
  align-items: center;
  width: 259px;
  height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  background-color: #24b234;
  color: #fff;
  font-size: 16px;
}

.tit-border {
  margin-top: 3em;
  padding-bottom: 10px;
  font-weight: 500;
  font-size: 18px;
}
.box-contact {
  margin: 3em 1em 0;
  border-top: 1px solid #c4c4c4;
}
.box-contact .box-tel {
  padding: 1em;
  border-bottom: 1px solid #c4c4c4;
}
.box-contact .box-tel .tel {
  margin: .5em 0 0;
  color: #24b234;
  font-weight: 800;
  font-size: 32px;
  line-height: .8em;
  text-align: center;
}
.box-contact .box-tel>div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
}
.box-contact .box-tel>div img {
  width: 18px;
}
.box-contact .box-mail {
  padding: 1em;
}
.box-contact .box-mail .wrap-btn {
  margin-top: 2em;
}
.box-contact .box-mail p {
  text-align: center;
}
.box-contact .box-mail>div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
}
.box-contact .box-mail>div p {
  margin: 0;
}
.box-contact .box-mail>div img {
  width: 25px;
}
@media (min-width: 768px) {
  .inner h3 {
    padding-top: 1.5em;
  }
  .inner p {
    font-size: 18px;
  }
  .grid2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 5em;
  }
  .box-contact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-width: 700px;
    margin: 5em auto 5em;
    border-bottom: 1px solid #c4c4c4;
  }
  .box-contact .box-tel {
    padding: 2em;
    border-right: 1px solid #c4c4c4;
    border-bottom: none;
  }
  .box-contact .box-tel .tel {
    font-size: 48px;
  }
  .box-contact .box-mail {
    padding: 2em;
  }
}