/* common.css */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@500;600&display=swap");
html,
body {
  font-family: "游ゴシック", "Yu Gothic", YuGothic, "Hiragino Kaku Gothic ProN",
    "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "ＭＳ ゴシック", sans-serif;
  font-size: 62.5%;
  background: #e5f7f8;
  width: 100%;
  overflow-x: hidden;
}

/* common class */
.container {
  max-width: 1000px;
  padding: 1px 20px;
  margin: 0 auto;
}

/* header */
header {
  display: block;
  background-color: #fff;
  min-height: 60px;
  box-shadow: 0 0 10px #ddd;
}
header .header_content {
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center;
  padding: 0 15px;
  margin: 0 auto;
}
header .header_content .header_left{
  width: calc(100% - 100px);
  display: flex;
  justify-content: flex-start;
  -webkit-align-items: center;
  align-items: center;
}
header .header_content .header_left a.nav{
  padding: 30px 20px;
  height: 100%;
  display: block;
  color: #333;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  background: white;
  transition: all 0.3s;
}
header .header_content .header_left a.nav:hover{
  background: #e5f7f8;
}
header .header_content .header_right{
  width: 100px;
}
header .header_content img {
  width: 140px;
  margin: 8px 20px 0 0;
}
header .header_content a.login {
  display: block;
  padding: 10px 20px;
  text-decoration: none;
  font-weight: bold;
  border: solid 1px #4a4a4a;
  color: #4a4a4a;
  border-radius: 5px;
  text-align: center;
  font-size: 1.2rem;
  transition: all 0.3s;
}
header .header_content a.login:hover {
  background: #4a4a4a;
  color: #fff;
}

/* footer */
footer {
  width: 100%;
  bottom: 0;
  display: block;
  background-color: #61a5ac;
  padding: 10px 0;
}
footer ul.menu {
  text-align: center;
  display: flex;
  justify-content: center;
  list-style: none;
}
footer ul.menu li {
  margin: 10px;
}
footer ul.menu a {
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
}
footer .footer_logo {
  margin: 30px auto 0;
  text-align: center;
}
footer .footer_logo img{
  width: 60px;
}
footer .footer_logo img{
  width: 60px;
}
footer .copyright {
  font-size: 1.2rem;
  color: #fff;
  text-align: center;
  margin: 20px 0 20px;
  display: block;
}
footer .copyright a {
  color: #fff;
  text-decoration: none;
}

@media screen and (max-width: 780px) {
  header .header_content .header_left a.nav{
    display: none;
  }
  footer ul.menu {
    text-align: center;
    display: block;
  }
  footer ul.menu a {
    display: block;
    padding: 10px 0;
  }
}