.main_inr_exp_img {
  max-width: 700px;
  margin: 0 auto 60px;
  padding: 0 10px;
}
.main_inr_exp_img img {
  width: 100%;
}

.category_btn, .btn4, .btn3, .btn2, .btn1 {
  margin: 0 10px;
  font-size: 2.2rem;
  width: 100%;
  max-width: 280px;
  max-height: 75px;
  height: 6vw;
  font-family: "M PLUS Rounded 1c", sans-serif;
  font-weight: 700;
  border-radius: 50px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.category_btn a, .btn4 a, .btn3 a, .btn2 a, .btn1 a {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  height: 100%;
}
.category_btn:hover, .btn4:hover, .btn3:hover, .btn2:hover, .btn1:hover {
  opacity: 0.5;
}
@media screen and (max-width: 1080px) {
  .category_btn, .btn4, .btn3, .btn2, .btn1 {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    height: 7.5vw;
    max-width: 280px;
    margin: 10px;
  }
}
@media screen and (max-width: 768px) {
  .category_btn, .btn4, .btn3, .btn2, .btn1 {
    font-size: 2rem;
    height: 9vw;
    max-width: 250px;
    width: 35vw;
  }
}
@media screen and (max-width: 576px) {
  .category_btn, .btn4, .btn3, .btn2, .btn1 {
    font-size: 1.8rem;
    height: 15vw;
    max-height: 65px;
    width: 100%;
    max-width: 325px;
    margin: 15px auto;
  }
}
@media screen and (max-width: 375px) {
  .category_btn, .btn4, .btn3, .btn2, .btn1 {
    font-size: min(5vw, 16rem);
  }
}

.btn1 {
  color: #864800;
  border: 2px solid #864800;
}

.btn2 {
  color: #864800;
  border: 2px solid #864800;
}

.btn3 {
  color: #fff;
  background-color: #864800;
}

.btn4 {
  color: #864800;
  border: 2px solid #864800;
}