body {
  font-family: "Kiwi Maru", serif;
  font-weight: 400;
  letter-spacing: 0.05em;
}
.header_nav {
  position: fixed;
  z-index: 100;
  width: 100%;
  font-family: "New Tegomin", serif;
  background: no-repeat center/cover url("../images/portfolio/top_bg.png");
  top: 0;
  padding: 32px 0;
  box-shadow: 0px -5px 20px rgba(175, 175, 175, 0.25);
}
.wrapper {
  max-width: 1110px;
  margin: 0 auto;
}
.menu_pc {
  display: flex;
  justify-content: space-between;
  font-size: 24px;
}
.menu_pc_link,
.menu_sp_link {
  font-family: "New Tegomin", serif;
  font-weight: 500;
  color: #ffffff;
  letter-spacing: 0.15em;
}
.menu_pc_link:hover {
  color: #e8e8e9;
  transition: 0.3s;
}
.main {
  text-align: center;
  margin: 200px 0 120px 0;
}
@keyframes fadeInAnime {
  from {
    opacity: 0.1;
  }
  to {
    opacity: 1;
  }
}
.main_title {
  opacity: 0;
  display: inline-block;
  font-family: "New Tegomin", serif;
  font-size: 40px;
  font-weight: 500;
  text-align: center;
  color: #9d9ea4;
  border-bottom: solid 3px #f0ebe8;
  padding: 0 12px 8px;
  margin: 0 0 72px 0;
  animation-name: fadeInAnime;
  animation-duration: 3s;
  animation-fill-mode: forwards;
}
.main_img {
  position: relative;
  top: 0;
  opacity: 0;
  width: 80%;
  border: 1px solid #d9d9d9;
  animation-name: fadeInAnime;
  animation-duration: 3s;
  animation-fill-mode: forwards;
  transition: all 0.3s;
  margin: 0 auto;
}
.main_img:hover {
  top: -3px;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.3);
}
.main_img img {
  width: 100%;
}
.img_text {
  font-size: 12px;
  text-align: center;
  color: #9d9ea4;
  margin-top: 16px;
}
.main_list {
  opacity: 0;
  visibility: hidden;
  text-align: left;
  transform: translateY(30px);
  transition: opacity 1s, visibility 1s, transform 1s;
}
.is-fadein {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}
.main_list_item {
  margin: 0 0 48px 0;
}
.main_list_item:first-child {
  margin-top: 72px;
}
.main_list_title {
  display: inline-block;
  font-size: 20px;
  font-weight: 500;
  color: #bec384;
  position: relative;
  padding: 6px;
  margin: 0 0 24px 0;
}

.main_list_title:before {
  content: "";
  width: 40px;
  height: 2px;
  background-color: #bec384;
  display: block;
  position: absolute;
  left: 0;
  bottom: -6px;
}

.main_list_text {
  font-size: 16px;
  line-height: 1.4;
  color: #5a5959;
  padding: 0 0 0 6px;
}

footer {
  font-weight: 400;
  text-align: center;
  color: #9d9ea4;
  background: #f0ebe8;
  padding: 72px;
}

@media only screen and (min-width: 768px) {
  .sp {
    display: none;
  }
}

@media only screen and (max-width: 767px) {
  .pc {
    display: none;
  }
  /*外枠*/
  .burger {
    display: block;
    position: absolute;
    cursor: pointer;
    z-index: 300;
    right: 13px;
    top: 12px;
    text-align: center;
    width: 50px;
    height: 50px;
  }

  .burger span {
    display: block;
    position: absolute;
    left: 14px;
    width: 45%;
    height: 3px;
    background-color: #9d9ea4;
    transition: all 0.4s;
  }

  .burger span:nth-child(1) {
    top: 15px;
  }

  .burger span:nth-child(2) {
    top: 23px;
  }

  .burger span:nth-child(3) {
    top: 31px;
  }

  .burger.active span {
    background-color: #9d9ea4;
  }

  .burger.active span:nth-of-type(1) {
    top: 18px;
    left: 18px;
    transform: translateY(6px) rotate(-45deg);
    width: 30%;
  }

  .burger.active span:nth-of-type(2) {
    opacity: 0;
  }

  .burger.active span:nth-of-type(3) {
    top: 30px;
    left: 18px;
    transform: translateY(-6px) rotate(45deg);
    width: 30%;
  }

  .menu_sp {
    opacity: 0;
    position: absolute;
    z-index: 2;
    top: 0;
    left: 0;
    color: #9d9ea4;
    background: no-repeat center/cover url("../images/portfolio/top_sp_bg.png");
    text-align: center;
    width: 100%;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    margin: 0 auto;
    padding: 0;
  }

  .menu_sp_link {
    opacity: 0;
    display: block;
    width: 100%;
    font-size: 20px;
    color: #ffffff;
    transition: 0.4s all;
    padding: 2em 0;
  }
  .menu_sp.active {
    opacity: 1;
    z-index: 200;
  }
  .menu_sp_link.active {
    opacity: 1;
    z-index: 200;
  }
  .main {
    margin: 100px 0 60px 0;
  }
  .wrapper {
    width: 90%;
  }
  .main_img {
    z-index: 300;
    width: 100%;
  }
  .main_img.active {
    z-index: 100;
  }
  .main_title {
    font-size: 28px;
  }
  .main_list_title {
    font-size: 18px;
  }
  .main_list_text {
    font-size: 14px;
  }
  .footer {
    padding: 56px;
  }
  .copylight {
    font-size: 10px;
  }
}