@import "reset.css";

html,
body {
  width: 100%;
  overflow-x: hidden;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  background: #0d0d0d;
  padding: 2.5rem 8rem;
  box-sizing: border-box;
}
header img {
  display: block;
  width: 16.8rem;
  height: 4.6rem;
}
header nav {
  display: flex;
  align-items: center;
  gap: 10rem;
}
header nav button {
  color: #fff;
  font-size: 2.2rem;
  font-weight: bold;
}
header nav button.on {
  color: #f86017;
}
main section {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 108rem;
}
main section .content h2 {
  position: relative;
  font-size: 9.6rem;
  color: #fff;
}
main section .content h2::before,
main section .content h2::after {
  content: "";
  display: block;
  position: absolute;
  width: 3.6rem;
  height: 3.6rem;
}
main section .content h2::before {
  top: 0;
  left: 0;
  transform: translate(-150%, -80%);
  background: url(../images/scythe_left.png);
  background-size: 100%;
}
main section .content h2::after {
  bottom: 0;
  right: 0;
  transform: translate(150%, 80%);
  background: url(../images/scythe_right.png);
  background-size: 100%;
}
.first {
  background: url(../images/bg1.png) center center repeat-x;
}
.first .content div {
  margin-top: 10rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 8.5rem;
}
.first .content div img {
  width: 16rem;
  height: 15.1rem;
}
.first .content div p {
  font-size: 2.4rem;
  color: #fff;
  line-height: 1.5;
  color: #b2b2b2;
}
.first .content div strong {
  color: #fff;
}
.first .content div strong.orange {
  color: #f86017;
}
.second {
  background: url(../images/bg2.png) center center repeat-x;
}
.second .content {
  position: relative;
  width: 120rem;
}
.second .content div {
  margin-top: 12rem;
}
.second .content div::before {
  content: "";
  display: block;
  position: absolute;
  bottom: -0.5rem;
  left: -5rem;
  width: 0.6rem;
  height: 15rem;
  background: #f86017;
}
.second .content .mobile {
  display: none;
}
.second .content div h5 {
  color: #fff;
  font-size: 2.6rem;
}
.second .content div p {
  margin-top: 4rem;
  color: #b2b2b2;
  line-height: 1.4;
  font-size: 2rem;
}
.second .content div p strong {
  color: #fff;
  font-size: 2.6rem;
}
.third,
.fourth {
  background: url(../images/bg3.png) center center repeat-x;
}
.tab .content ul {
  display: flex;
  justify-content: right;
  gap: 10rem;
}
.tab .content ul li {
  position: relative;
  padding: 1.5rem 3rem;
  cursor: pointer;
  color: #fff;
  font-size: 1.8rem;
}
.tab .content ul li.on {
  background: rgba(248, 96, 22, 0.3);
  border: 1px solid #f86017;
}
.tab .content ul li.on::before,
.tab .content ul li.on::after {
  content: "";
  display: block;
  position: absolute;
  width: 2rem;
  height: 2rem;
}
.tab .content ul li.on::before {
  top: -0.7rem;
  left: -0.7rem;
  background: url(../images/scythe_left.png) 0 0;
  background-size: 100%;
}
.tab .content ul li.on::after {
  bottom: -0.7rem;
  right: -0.7rem;
  background: url(../images/scythe_right.png) 0 0;
  background-size: 100%;
}
.tab .content .tab_content {
  display: none;
  margin-top: 15rem;
}
.tab .content .tab_content.on {
  display: flex;
  gap: 5rem;
}
.tab .content .tab_content p {
  line-height: 2;
}
.third.tab .content .tab_content img {
  width: 55rem;
  height: 55rem;
}
.third.tab .content .tab_content span {
  display: block;
  width: 16.8rem;
  height: 4.5rem;
  line-height: 4.5rem;
  color: #fff;
  background: #f86017;
  text-align: center;
  font-size: 1.6rem;
}
.third.tab .content .tab_content h3 {
  margin-top: 8rem;
  font-size: 3.6rem;
  color: #fff;
}
.third.tab .content .tab_content p {
  margin-top: 4rem;
  color: #fff;
  font-size: 2rem;
  width: 60rem;
  opacity: 0.5;
}
.third.tab .content .tab_content {
  flex-direction: row-reverse;
}
.fourth.tab .content .tab_content img {
  width: 40rem;
  height: 50.3rem;
}
.fourth.tab .content ul {
  justify-content: left;
}
.fourth.tab .content .tab_content.on {
  gap: 15rem;
}
.fourth.tab .content .tab_content .image {
  width: 40rem;
  height: 50.3rem;
  position: relative;
  margin: 0 auto;
}
.fourth.tab .content .tab_content .image p {
  position: absolute;
  bottom: 0;
  width: 100%;
  text-align: center;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: 1.5rem 0;
  font-size: 1.6rem;
}
.fourth.tab .content .tab_content h3 {
  gap: 2rem;
  font-size: 3.6rem;
  color: #fff;
}
.fourth.tab .content .tab_content h3::before {
  content: "";
  display: inline-block;
  vertical-align: text-top;
  width: 1.2rem;
  height: 3.8rem;
  background: #f86017;
  margin-right: 2rem;
}
.fourth.tab .content .tab_content h5 {
  margin-top: 5.5rem;
  font-size: 2.6rem;
  color: #fff;
  line-height: 1.3;
}
.fourth.tab .content .tab_content .explain {
  margin-top: 6rem;
  color: #fff;
  font-size: 2rem;
  line-height: 2;
  width: 60rem;
  opacity: 0.5;
}
.fifth {
  background: url(../images/bg5.png) center center repeat-x;
}
.fifth .content {
  width: 110rem;
  padding: 0 8rem;
}
.fifth .content h2 {
  display: inline-block;
  margin-bottom: 6rem;
}
.fifth .content span {
  display: block;
  width: 30rem;
  height: 4.3rem;
  line-height: 4.3rem;
  text-indent: 4rem;
  background: #f86017;
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
}
.fifth .content div {
  margin-top: 15rem;
}
.fifth .content div dl {
  margin-bottom: 7.5rem;
}
.fifth .content div dl dt {
  font-size: 2rem;
  font-weight: bold;
  color: #f86017;
  margin-bottom: 2rem;
}
.fifth .content div dl dd {
  color: #fff;
  font-weight: bold;
  font-size: 2rem;
}
footer {
  display: flex;
  align-items: center;
  background: #222;
  height: 14rem;
  padding-left: 8rem;
}
footer span {
  margin-left: 3rem;
  font-size: 2rem;
  color: #5a5a5a;
}

@media screen and (max-width: 1220px) {
  html {
    font-size: 8px;
  }
}
@media screen and (max-width: 1000px) {
  header nav {
    gap: 5rem;
  }
  main section .content h2 {
    font-size: 8rem;
  }
  main section.tab {
    height: 135rem;
  }
  .tab .content ul {
    justify-content: center;
  }
  .tab .content ul li {
    font-size: 2.5rem;
  }
  .tab .content .tab_content {
    margin-top: 5rem;
  }
  .tab .content .tab_content.on {
    display: block;
  }
  .tab .content .tab_content img {
    margin-bottom: 10rem;
  }
  .tab .content .tab_content span {
    font-size: 2.5rem !important;
  }
  .tab .content .tab_content h3 {
    margin-top: 4rem !important;
  }
  .tab .content .tab_content p {
    line-height: 2 !important;
  }
  .second .content {
    width: 100rem;
  }
  .third.tab .content .tab_content p,
  .fourth.tab .content .tab_content .image {
    margin-bottom: 3rem;
  }
  .fifth .content {
    width: auto;
  }
  .fifth .content div dl dt,
  .fifth .content div dl dd {
    font-size: 3rem;
    line-height: 1.5;
  }
}
@media screen and (max-width: 850px) {
  html {
    font-size: 7px;
  }
  header {
    padding: 2% 3%;
  }
  header nav {
    gap: 3rem;
  }
}
@media screen and (max-width: 720px) {
  html {
    font-size: 6px;
  }
}
@media screen and (max-width: 650px) {
  main section {
    height: 148rem;
  }
  main section .content h2 {
    font-size: 6rem;
  }
  .first .content div {
    display: block;
  }
  .first .content div img {
    margin: 20rem auto;
    width: 20rem;
    height: 20rem;
  }
  .first .content div p {
    text-align: center;
  }
  .second {
    background-position: right center;
  }
  .second .content {
    width: 61rem;
  }
  .second .content h2 {
    font-size: 4.9rem;
  }
  .second .content div {
    display: block;
    width: 60rem;
    margin: 12rem auto 0;
  }
  .second .content div::before {
    display: none;
  }
  .second .content div .line {
    display: block;
    width: 100%;
    height: 2px;
    background: #9f9f9f;
  }
  .second .content div h5 {
    margin-bottom: 10rem;
    line-height: 2;
    text-align: center;
    font-size: 3.5rem;
  }
  .second .content div p {
    margin-top: 8rem;
    line-height: 3;
  }
}
@media screen and (max-width: 480px) {
  html {
    font-size: 5px;
  }
  header nav {
    gap: 2rem;
  }
  main section .content h2 {
    font-size: 26px;
  }
  .tab .content ul {
    gap: 3rem;
  }
  .first .content div p {
    font-size: 11px;
  }
}