* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding:0;
  font-family: "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  background-color: #ffffff;
}

header {
  height: 60px;
  width: 100%;
  padding: 0px 15px;
  background-color: #ffffff;
  position: fixed;
  top: 0;
  z-index: 10;
  display: flex;
}

.logo {
  font-size: 25px;
}
.display_pc{
  display:block;
}
.display_sp{
  display:none;
}
nav {
  margin: 0 0 0 auto;
}

ul {
	display:-webkit-box;
  	display:-ms-flexbox;
	display:flex;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	list-style: none;
	padding: 0;
	margin: 0;
}
nav.pc > ul > li {
	margin:0 20px 0 0;
}

nav.pc > ul > li:last-child{
	margin:0 10px 0 0;
}
a {
  color: #333333;
  text-decoration: none;
  display: block;
  line-height: 60px;
  padding: 10px 0 0 0;
}

.sm {
  display: none;
}


/**********************************　
以下、ハンバーガーメニューの設定　
************************************/
@media (max-width: 1200px) {
	.display_pc{
	  display:block;
	}
	.display_sp{
	  display:none;
	}
  .pc {
    display: none;
  }

  #hamburger {
    background-color: transparent;
    position: relative;
    cursor: pointer;
    margin: 0 0 0 auto;
    height: 60px;
    width: 60px;
  }

  .icon span {
    position: absolute;
    left: 15px;
    width: 30px;
    height: 4px;
    background-color: white;
    border-radius: 8px;
    transition: ease 0.75s;
  }

  .icon span:nth-of-type(1) {
    top: 16px;
    background-color: #333333;
  }
  .icon span:nth-of-type(2) {
    top: 28px;
    background-color: #333333;
  }
  .icon span:nth-of-type(3) {
    bottom: 16px;
    background-color: #333333;
  }

  .close span:nth-of-type(1) {
    transform: rotate(45deg);
    top: 28px;
  }

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

  .close span:nth-of-type(3) {
      transform: rotate(-45deg);
      top: 28px;
  }

  .sm {
      top: 60px;
      left: 0px;
      position: absolute;
      z-index: 10;
      width: 100%;
      background-color: #fff;
  }
  .sm > ul > li{
	padding:0 0 0 20px;
  }
  nav.sm > ul > li > a::before {
	content: "■";
	font-size:16px;
	color:#23538a;
	padding:0 10px 0 0;
  }
  nav.sm > ul > li > a {
    text-align: left; 
    border-top: solid 0px #333333;
  }
}
@media (max-width: 900px) {
	.display_pc{
	  display:none;
	}
	.display_sp{
	  display:block;
	}
  .pc {
    display: none;
  }

  #hamburger {
    background-color: transparent;
    position: relative;
    cursor: pointer;
    margin: 0 0 0 auto;
    height: 60px;
    width: 60px;
  }

  .icon span {
    position: absolute;
    left: 15px;
    width: 30px;
    height: 4px;
    background-color: white;
    border-radius: 8px;
    transition: ease 0.75s;
  }

  .icon span:nth-of-type(1) {
    top: 16px;
    background-color: #333333;
  }
  .icon span:nth-of-type(2) {
    top: 28px;
    background-color: #333333;
  }
  .icon span:nth-of-type(3) {
    bottom: 16px;
    background-color: #333333;
  }

  .close span:nth-of-type(1) {
    transform: rotate(45deg);
    top: 28px;
  }

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

  .close span:nth-of-type(3) {
      transform: rotate(-45deg);
      top: 28px;
  }

  .sm {
      top: 60px;
      left: 0px;
      position: absolute;
      z-index: 10;
      width: 100%;
      background-color: #fff;
  }
  .sm > ul > li{
	padding:0 0 0 20px;
  }
  nav.sm > ul > li > a::before {
	content: "■";
	font-size:16px;
	color:#23538a;
	padding:0 10px 0 0;
  }
  nav.sm > ul > li > a {
    text-align: left; 
    border-top: solid 0px #333333;
  }
}
@media (max-width: 900px) {
  ul {
    flex-direction: column;
  }

}