@charset "utf-8";

*,
::before,
::after{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

ul,
ol {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

body{
  font-family: sans-serif;
  font-size: 16px;
  color: #000000;
  line-height: 1;
  background-color: #ffffff;
}

img{
  max-width: 100%;
}

.header-inner {
  max-width: 1200px;
  height: 140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 5px;
  padding-right: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  display: block;
  width: 200px;
}

.site-menu ul {
  display: flex;
}

.site-menu ul li {
  margin-left: 40px;
  margin-right: 20px;
}

.site-menu ul li a {
  font-family: 'Montserrat', sans-serif;
  font-weight: bold;
  font-size: 17px;
  letter-spacing: 0.17em;
}

.footer {
  color: #000000;
  background-color: #ffffff;
  padding-top: 150px;
  padding-bottom: 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-logo {
  display: block;
  width: 235px;
  margin-top: 90px;
}

.copyright {
  font-size: 15px;
  font-weight: bold;
  margin-top: 50px;
  margin-bottom: 150px;
}

@media (max-width: 960px) {
  .site-menu ul {
    display: block;
  }
  
  .header .site-menu ul {
    text-align: left;
  }

  .footer .site-menu ul {
    text-align: center;
  }

  .site-menu li {
    margin-top: 30px;
  }

  .site-menu ul li a {
    font-size: 14px;
  }

  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #ffffff;
    height: 90px;
    z-index: 10;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
  }

  .header-inner {
    padding-left: 20px;
    padding-right: 20px;
    height: 100%;
    position: relative;
  }

  .header-logo {
    width: 130px;
  }

  .header-site-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    color: #ffffff;
    background-color: #000000;
    padding-top: 30px;
    padding-bottom: 50px;
    display: none;
  }


  .header-site-menu.is-show {
   display: block;
  }

  .main {
    padding-top: 50px;
    overflow: hidden;
  }
  
  .footer {
    padding-top: 50px;
  }

  .footer site-menu {
    margin-left: auto;
    margin-right: auto;
  }

  .footer-logo {
    margin-top: 60px;
    width: 140px;
  }

  .copyright {
    margin-top: 50px;
    font-size: 13px;
  }
}