.mb_br {
  display: none;
}

@media (max-width: 500px) {
  .mb_br {
    display: block;
  }
}

#sec_01 {
  width: 100%;
  height: 100vh;
  padding-top: 300px;
  text-align: center;
  background: url(../img/main/sec_01_bg.png) no-repeat center / cover;
}

#sec_01 h1 {
  margin-bottom: 150px;
}

#sec_01 h1 img {
  width: auto;
  height: auto;
}

#sec_01 h2 {
  font-family: 'NM_B';
  font-size: 20px;
  color: #fff;
  text-shadow: 0px 4px 4px rgba(000,000,000,0.25);  
  margin-bottom: 20px;
}

#sec_01 .item {
  width: auto;
  height: auto;
  margin-bottom: 30px;
}

#sec_01 h3 {
  font-family: 'NM_B';
  font-size: 30px;
  color: #fff;
  text-shadow: 0px 4px 4px rgba(000,000,000,0.25);  
}

#sec_02 {
  width: 100%;
  height: auto;
  padding: 100px 0;
  background: url(../img/main/sec_02_bg.png) no-repeat center / cover;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sec_02 .wrap {
  width: 100%;
  max-width: 1200px;
  height: auto;
}

#sec_02 .wrap h2 {
  font-family: 'NM_B';
  font-size: 20px;
  color: #222;
  margin-bottom: 10px;
}

#sec_02 .wrap h3 {
  font-family: 'NM_B';
  font-size: 30px;
  color: #222;
  margin-bottom: 50px;
}

#sec_02 .wrap .inner {
  width: auto;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

#sec_02 .wrap .inner .box {
  width: calc((100% - 90px) / 4);
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  text-align: center;
  box-shadow: 0px 4px 4px rgba(000,000,000,0.25);
}

#sec_02 .wrap .inner .box:nth-of-type(1) {
  background: url(../img/main/sec_02_item_01.png) no-repeat center / cover;
}

#sec_02 .wrap .inner .box:nth-of-type(2) {
  background: url(../img/main/sec_02_item_02.png) no-repeat center / cover;
}

#sec_02 .wrap .inner .box:nth-of-type(3) {
  background: url(../img/main/sec_02_item_03.png) no-repeat center / cover;
}

#sec_02 .wrap .inner .box:nth-of-type(4) {
  background: url(../img/main/sec_02_item_04.png) no-repeat center / cover;
}

#sec_02 .wrap .inner .box:hover .hidden {
  opacity: 1;
}

#sec_02 .wrap .inner .box:nth-of-type(1):hover {
  background:
    url('../img/main/sec_02_item_01.png') no-repeat center/cover;
  background-color: rgba(0, 0, 0, 0.3);
  background-blend-mode: overlay;
}

#sec_02 .wrap .inner .box:nth-of-type(2):hover {
  background: url(../img/main/sec_02_item_02.png) no-repeat center / cover;
  background-color: rgba(0, 0, 0, 0.3);
  background-blend-mode: overlay;
}

#sec_02 .wrap .inner .box:nth-of-type(3):hover {
  background: url(../img/main/sec_02_item_03.png) no-repeat center / cover;
  background-color: rgba(0, 0, 0, 0.3);
  background-blend-mode: overlay;
}

#sec_02 .wrap .inner .box:nth-of-type(4):hover {
  background: url(../img/main/sec_02_item_04.png) no-repeat center / cover;
  background-color: rgba(0, 0, 0, 0.3);
  background-blend-mode: overlay;
}

#sec_02 .wrap .inner .box .hidden {
  width: auto;
  height: auto;
  opacity: 0;
  transition: all 0.3s;
}

#sec_02 .wrap .inner .box .hidden h4 {
  font-family: 'NM_B';
  font-size: 30px;
  color: #fff;
  margin-bottom: 20px;
}

#sec_02 .wrap .inner .box .hidden p {
  width: 130px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.2);
  position: relative;
  font-family: 'NM_B';
  font-weight: bold;
  font-size: 16px;
  color: #fff;
}

#sec_02 .wrap .inner .box .hidden p::after {
  content: "";
  width: 20px;
  height: 20px;
  background: url(../img/main/sec_02_arrow.png) no-repeat center / cover;
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
}

#sec_03 {
  width: 100%;
  height: auto;
  overflow: hidden;
  padding: 100px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sec_03 .wrap {
  width: 100%;
  max-width: 1200px;
  height: auto;
  text-align: right;
}

#sec_03 .wrap h2 {
  width: 350px;
  height: 30px;
  border-radius: 10px;
  background: #A8BBC4;
  margin-left: auto;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'NM_B';
  font-size: 20px;
  color: #fff;
}

#sec_03 .wrap h3 {
  font-family: 'NM_B';
  font-size: 30px;
  color: #fff;
}

#sec_03 img {
  position: fixed;
  left: 0;
  top: 58%;
  transform: translateY(-50%);
  z-index: -1;
  width: 100%;
  height: auto;
}

#sec_04 {
  width: 100%;
  height: auto;
  background: url(../img/main/sec_04_bg.png) no-repeat center / cover;
  padding: 100px 0;
  display: flex;
  align-items: center;
  justify-content: center; 
}

#sec_04 .wrap {
  width: 100%;
  max-width: 1200px;
  height: auto;
  text-align: center;
}

#sec_04 .wrap h2 {
  width: 350px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: 'NM_B';
  font-size: 20px;
  color: #fff;
  background: #A8BBC4;
  border-radius: 10px;
}

#sec_04 .wrap h3 {
  font-family: 'NM_B';
  font-size: 30px;
  color: #222;
  margin-bottom: 10px;
}

#sec_04 .wrap h4 {
  font-family: 'NM_B';
  font-size: 20px;
  color: #222;
  margin-bottom: 50px;
}

@media (max-width: 1400px) {
  .pic_lt .btn_wrapper {
    width: 105%;
  }
}

@media (max-width: 1200px) {
  #sec_01 {
    padding-top: 300px;
  }

  #sec_01 h1 {
    margin-bottom: 100px;
  }

  #sec_01 h1 img {
    width: 150px;
  }

  #sec_01 h2 {
    font-size: 18px;
  }

  #sec_01 .item {
    width: 400px;
  }

  #sec_01 h3 {
    font-size: 24px;
  }

  #sec_02 .wrap {
    max-width: 90%;
  }

  #sec_02 .wrap .inner .box {
    height: 280px;
  }

  #sec_04 .wrap {
    max-width: 90%;
  }

  #sec_03 .wrap {
    max-width: 90%;
  }

  #sec_03 .wrap h2 {
    width: 200px;
    font-size: 18px;
  }

  #sec_03 .wrap h3 {
    font-size: 24px;
  }

  #sec_03 img {
    width: 1600px;
  }
}

@media (max-width: 900px) {
  #sec_02 .wrap h2 {
    font-size: 18px;
  }

  #sec_02 .wrap h3 {
    font-size: 24px;
  }

  #sec_02 .wrap .inner {
    flex-wrap: wrap;
  }

  #sec_02 .wrap .inner .box {
    width: calc((100% - 30px) / 2);
  }

  #sec_02 .wrap .inner .box .hidden {
    opacity: 1;
  }

  #sec_02 .wrap .inner .box:nth-of-type(1) {
    background:
      url('../img/main/sec_02_item_01.png') no-repeat center/cover;
    background-color: rgba(0, 0, 0, 0.3);
    background-blend-mode: overlay;
  }

  #sec_02 .wrap .inner .box:nth-of-type(2) {
    background: url(../img/main/sec_02_item_02.png) no-repeat center / cover;
    background-color: rgba(0, 0, 0, 0.3);
    background-blend-mode: overlay;
  }

  #sec_02 .wrap .inner .box:nth-of-type(3) {
    background: url(../img/main/sec_02_item_03.png) no-repeat center / cover;
    background-color: rgba(0, 0, 0, 0.3);
    background-blend-mode: overlay;
  }

  #sec_02 .wrap .inner .box:nth-of-type(4) {
    background: url(../img/main/sec_02_item_04.png) no-repeat center / cover;
    background-color: rgba(0, 0, 0, 0.3);
    background-blend-mode: overlay;
  }

  #sec_04 .wrap h2 {
    width: 300px;
    font-size: 18px;
  }

  #sec_04 .wrap h3 {
    font-size: 24px;
  }

  #sec_04 .wrap h4 {
    font-size: 18px;
  }

  .pic_lt ul li img {
    min-height: 300px;
  }

  .slider-progress {
    width: 500px;
  }
}

@media (max-width: 700px) {
  #sec_01 {
    padding-top: 300px;
  }

  #sec_02 {
    padding: 50px 0;
  }

  #sec_02 .wrap h2 {
    font-size: 16px;
  }

  #sec_02 .wrap h3 {
    font-size: 20px;
    margin-bottom: 30px;
  }

  #sec_02 .wrap .inner .box .hidden h4 {
    font-size: 24px;
    margin-bottom: 10px;
  }

  #sec_02 .wrap .inner .box .hidden p {
    width: 100px;
    height: 25px;
    font-size: 14px;
  }

  #sec_02 .wrap .inner .box .hidden p::after {
    width: 15px;
    height: 15px;
    right: -6px;
  }

  #sec_02 .wrap .inner .box {
    height: 200px;
  }

  #sec_04 {
    padding: 50px 0;
  }

  #sec_04 .wrap h2 {
    width: 270px;
    font-size: 16px;
  }

  .pic_lt .btn_wrapper button img {
    width: 25px;
  }

  .pic_lt {
    margin-bottom: 30px;
  }

  .slider-progress {
    width: 400px;
    height: 5px;
  }

  #sec_03 .wrap h2 {
    width: 165px;
    font-size: 16px;
  }

  #sec_03 .wrap h3 {
    font-size: 18px;
  }

  #sec_03 {
    padding: 50px 0;
  }

  #sec_03 img {
    width: 1400px;
  }
}

@media (max-width: 500px) {
  #sec_01 h1 img {
    width: 100px;
  }

  #sec_01 h1 {
    margin-bottom: 60px;
  }

  #sec_01 h2 {
    font-size: 16px;
  }

  #sec_01 .item {
    width: 300px;
  }

  #sec_01 h3 {
    font-size: 20px;
  }

  #sec_02 .wrap .inner {
    gap: 15px;
  }

  #sec_02 .wrap h2 {
    font-size: 14px;
  }

  #sec_02 .wrap h3 {
    font-size: 18px;
  }

  #sec_02 .wrap .inner .box {
    width: calc((100% - 15px) / 2);
  }

  #sec_02 .wrap .inner .box .hidden h4 {
    font-size: 18px;
  }

  #sec_04 .wrap h2 {
    width: 235px;
    font-size: 14px;
    height: 25px;
  }

  #sec_04 .wrap h3 {
    font-size: 20px;
  }

  #sec_04 .wrap h4 {
    font-size: 16px;
  }

  .pic_lt ul li .title {
    font-size: 14px;
  }

  #sec_03 .wrap h2 {
    width: 140px;
    font-size: 14px;
    height: 25px;
  }

  #sec_03 .wrap h3 {
    font-size: 14px;
  }
}

@media (max-width: 400px) {
  #sec_01 h2 {
    font-size: 14px;
  }

  #sec_01 .item {
    width: 250px;
  }

  #sec_01 h3 {
    font-size: 18px;
  }

  #sec_02 .wrap h2 {
    font-size: 12px;
  }

  #sec_02 .wrap .inner .box .hidden h4 {
    font-size: 16px;
  }

  #sec_02 .wrap .inner .box .hidden p {
    width: 80px;
    height: 20px;
    font-size: 12px;
  }

  #sec_02 .wrap .inner .box .hidden p::after {
    width: 12px;
    height: 12px;
  }

  #sec_02 .wrap .inner .box {
    height: 160px;
  }

  #sec_04 .wrap h3 {
    font-size: 18px;
  }

  #sec_04 .wrap h4 {
    font-size: 14px;
  }

  .pic_lt ul li img {
    min-height: 250px;
  }

  .pic_lt .btn_wrapper button img {
    width: 20px;
  }

  .slider-progress {
    width: 90%;
  }

  #sec_03 .wrap h3 {
    font-size: 12px;
  }

  #sec_03 img {
    width: 1800px;
  }
}