@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap');
body {
  font-family: YakuHanJP, "Noto Sans JP", sans-serif;
  font-size: 1.6rem;
  line-height: 1.6;
  font-weight: 300;
  color: #252525;
  background-color: #fff;
}
a {
  word-break: break-all;
  transition: all .2s;
}
.sp {
  display: none;
}
.min {
  font-family: YakuHanJP, "Noto Sans JP", sans-serif;
  font-weight: 300;
}
.inner {
  max-width: 800px;
  margin: 0 auto;
}
.wide_inner {
  max-width: 1200px;
  margin: 0 auto;
}
.mid-inner {
  max-width: 1000px;
  margin: 0 auto;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}
@media screen and (max-width:640px) {
    .inner,
    .wide_inner,
    .mid-inner {
        width: 100vw;
        padding: 0 5%;
        margin: 0 auto;
    }
    .sp {
        display: block;
    }
    .pc {
        display: none;
    }
}
.main_header {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  background-color: #fff;
  transition: all .2s;
}
.main_header.scrolled {
  opacity: 1;
  visibility: visible;
  pointer-events: unset;
  display: block;
  box-shadow: 0px 3px 4px 0px rgba(0, 0, 0, 0.05);
}
.header_inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  width: 100%;
  padding: 16px 40px;
  position: relative;
}
.logo {
  display: block;
  width: 280px;
}
.hum {
  display: none;
}
.header_nav {
  display: flex;
  align-items: center;
}
.header_nav .header_nav_link {
  color: #252525;
  font-size: 1.8rem;
  font-weight: 700;
  padding: 5px 40px;
  border-left: solid 1px #e9e9e9;
  position: relative;
  text-align: center;
}
.header_nav .header_nav_link::after {
  content: attr(data-en);
  display: block;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  font-family: inherit;
}
.header_nav .header_nav_link:hover {
  opacity: .5;
}
.hum-container {
  display: none;
}
@media screen and (max-width:640px) {
  .header_inner {
    align-items: center;
    padding: 0;
  }
  .logo {
    width: 240px;
    padding: 10px 0;
    margin-left: 5%;
  }
  .nav_container {
    display: none;
  }
  .hum {
    display: block;
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.3);
    box-shadow: none;
    outline: none;
    position: relative;
    border: none;
    padding: 10px;
    z-index: 999;
  }
  .hum span {
    position: absolute;
    left: 15px;
    width: 30px;
    height: 1px;
    background-color: #252525;
    border-radius: 4px;
  }
  .hum, .hum span {
    display: inline-block;
    transition: all .5s;
    box-sizing: border-box;
  }
  .hum span:nth-of-type(1) {
    top: 20px;
  }
  .hum span:nth-of-type(2) {
    top: 30px;
  }
  .hum span:nth-of-type(3) {
    top: 40px;
  }
  .hum.active span:nth-of-type(1) {
    -webkit-transform: translateY(20px) rotate(-45deg);
    transform: translateY(10px) rotate(-45deg);
  }
  .hum.active span:nth-of-type(2) {
    opacity: 0;
  }
  .hum.active span:nth-of-type(3) {
    -webkit-transform: translateY(-20px) rotate(45deg);
    transform: translateY(-10px) rotate(45deg);
  }
  .nav_container.active {
    display: block;
    position: fixed;
    top: 67px;
    left: 0;
    width: 100%;
    height: 130%;
    background-color: #fff;
    border-top: solid 1px #e9e9e9;
  }
  .header_nav {
    flex-direction: column;
  }
  .header_nav .header_nav_link {
    width: 100%;
    border-left: none;
    border-bottom: solid 1px #e9e9e9;
    padding: 10px 0;
  }
}

footer {
  background-color: #9aa1b3;
}
footer .copyright {
  text-align: center;
  font-size: 1.1rem;
  padding: 5px 0;
  color: #fff;
}