.hero {
  padding-top: 9rem;
  background: url(../images/bg-hero.jpg) no-repeat;
  background-size: cover;
  background-position: center;
}
.hero-title {
  width: min(90%, 67rem);
  margin: 8rem auto;
}
.hero-topic {
  padding: 5rem 2rem;
  background: rgba(255, 255, 255, 0.6);
}
.hero-topic ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 2rem;
  width: min(100%, 100rem);
  margin: 0 auto;
}
.hero-topic ul li {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 100%;
  height: 16rem;
  padding: 2rem;
  background: #3A3024;
  text-align: center;
  line-height: 1.3;
  color: #fff;
}
.hero-topic ul li:nth-child(even) {
  background: #002576;
  font-size: 2.6rem;
}
.hero-topic ul li::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: calc(100% - 2rem);
  height: calc(100% - 2rem);
  border: 1px solid;
}
.hero-topic ul li strong {
  font-size: 4.8rem;
}

.hero-topic p{
  width: 100%;
  max-width: 100rem;
  left: 0;
  right: 0;
  margin: 1rem auto;
  margin-bottom: 0;
  padding: 1rem 2rem;
  font-size: 1.3rem;
  background: #ffffff90;
}
.hero-topic p span{
  font-size: 1.7rem;
}

@media screen and (max-width: 768px) {
  .hero {
    padding-top: 9rem;
    background: url(../images/bg-hero.jpg) no-repeat;
    background-size: cover;
    background-position: center;
  }
  .hero-title {
    width: min(90%, 67rem);
    margin: 8rem auto;
  }
  .hero-topic {
    padding: 2rem 2rem;
    background: rgba(255, 255, 255, 0.6);
  }
  .hero-topic ul {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 1rem;
    width: min(100%, 100vw);
    margin: 0 auto;
  }
  .hero-topic ul li {
    position: relative;
    display: grid;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 48.9%;
    height: 12rem;
    padding: 2%;
    background: #3A3024;
    text-align: center;
    line-height: 1.3;
    color: #fff;
    font-size: 1.5rem;
  }
  .hero-topic ul li:nth-child(even) {
    background: #002576;
    font-size: 2rem;
  }
  .hero-topic ul li::before {
    content: "";
    position: absolute;
    top: 1rem;
    left: 1rem;
    width: calc(100% - 2rem);
    height: calc(100% - 2rem);
    border: 1px solid;
  }
  .hero-topic ul li strong {
    font-size: 3rem;
  }
  .hero-topic p{
    padding: 3rem 2rem;
  }
}