:root {
  --main-text-color: #252527;
  --accent-color: #1260c2;
  --sub-color: #f2f6fa;
  --pc_contents_width: 1074px;
}

html {
  scroll-behavior: smooth;
  font-size: 10px;
}

body {
  position: relative;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--main-text-color);
  letter-spacing: 0.04em;
  overflow: auto;
}

body #overlay {
  display: none;
}

body.menu_open {
  overflow: hidden;
  height: 100%;
}

body.menu_open #overlay {
  display: block;
  z-index: 10;
  background: #FFFFFF;
  position: absolute;
  inset: 0;
}

button {
  font-family: "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

.en {
  font-family: "Barlow Condensed", sans-serif;
}

ul,
ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
}

.wide img {
  width: 100%;
  height: auto;
}

header #header_logo {
  font-family: "Montserrat", sans-serif;
  color: #FFFFFF;
}

header #header_logo a {
  color: #FFFFFF;
}

header #header_menu_button {
  width: 52px;
  height: 52px;
  border-radius: 3px;
  margin: -15px 0 0;
  position: relative;
  padding: 0;
  display: block;
  border: none;
  color: #FFFFFF;
  background: transparent;
  cursor: pointer;
}

header #header_menu_button .line {
  display: block;
  height: 2px;
  position: absolute;
  top: 27px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  background-color: #ffffff;
  transition: 0.4s;
}

header #header_menu_button .line::before, header #header_menu_button .line::after {
  content: "";
  display: block;
  height: 100%;
  position: absolute;
  width: 100%;
  background-color: #ffffff;
  transition: inherit;
}

header #header_menu_button .line::before {
  top: -8px;
}

header #header_menu_button .line:after {
  top: 8px;
}

header #header_menu_button[aria-expanded="true"] span {
  background-color: transparent;
}

header #header_menu_button[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

header #header_menu_button[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

header #header_navi_wrapper {
  display: none;
}

header #header_navi_wrapper #header_navi > ul > li a {
  color: var(--accent-color);
}

header #header_navi_wrapper #header_navi > ul > li a::before {
  content: attr(data-en);
  display: block;
  font-family: "Barlow Condensed", sans-serif;
  white-space: pre;
  color: var(--main-text-color);
  text-transform: uppercase;
}

header.header_open {
  background: #FFFFFF;
}

header.header_open #header_logo {
  color: var(--main-text-color);
}

header.header_open #header_logo a {
  color: var(--main-text-color);
}

header.header_open #header_menu_button {
  background: #FFFFFF !important;
  margin-top: -15px !important;
}

header.header_open #header_menu_button .line {
  background-color: none;
}

header.header_open #header_menu_button .line::before, header.header_open #header_menu_button .line::after {
  background-color: var(--main-text-color);
}

header.header_open #header_navi_wrapper {
  display: block;
  height: calc(100vh - 110px);
  overflow-y: scroll;
}

footer {
  background: #333333;
  color: #ffffff;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

header.contents_area #header_logo {
  color: var(--main-text-color);
}

header.contents_area #header_logo.hide {
  color: transparent;
}

header.contents_area #header_logo a {
  color: var(--main-text-color);
}

header.contents_area #header_menu_button {
  background: #575e68;
  margin-top: 0;
}

header #header_wrapper {
  display: flex;
  justify-content: space-between;
  padding: 22px 13px 0 21px;
  height: 90px;
}

header #header_wrapper #header_logo {
  padding-top: 3px;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

header #header_navi {
  padding: 0 20px 80px;
}

header #header_navi > ul > li {
  margin-top: 25px;
}

header #header_navi > ul > li:nth-of-type(1) {
  margin-top: 0;
}

header #header_navi > ul > li a {
  font-size: 1.2rem;
  letter-spacing: 0.12em;
  line-height: 1;
  font-weight: 600;
}

header #header_navi > ul > li a::before {
  margin-bottom: 3px;
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}

footer {
  font-size: 1.1rem;
  text-align: center;
  padding: 15px 0;
}

@media screen and (min-width: 768px) {
  .sp {
    display: none;
  }
  html {
    font-size: 10px;
  }
  body {
    min-width: 1200px;
  }
  header #header_wrapper #header_logo {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.08em;
  }
  header #header_wrapper #header_menu_button {
    width: 70px;
    height: 70px;
    border-radius: 3px;
    margin: -15px 0 0;
  }
  header #header_wrapper #header_menu_button .line {
    height: 3px;
    top: 35px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
  }
  header #header_wrapper #header_menu_button .line::before {
    top: -11px;
  }
  header #header_wrapper #header_menu_button .line:after {
    top: 11px;
  }
  header #header_wrapper #header_menu_button[aria-expanded="true"] span {
    background-color: transparent;
  }
  header #header_wrapper #header_menu_button[aria-expanded="true"] span::before {
    top: 0;
    transform: rotate(45deg);
  }
  header #header_wrapper #header_menu_button[aria-expanded="true"] span::after {
    top: 0;
    transform: rotate(-45deg);
  }
  header #header_navi {
    width: 1000px;
    margin: 0 auto;
    padding: 120px 0 0;
  }
  header #header_navi > ul {
    display: flex;
    flex-wrap: wrap;
    gap: 55px 0;
  }
  header #header_navi > ul > li {
    margin: 0;
  }
  header #header_navi > ul > li:nth-of-type(3n+1) {
    width: 37%;
  }
  header #header_navi > ul > li:nth-of-type(3n+2) {
    width: 43%;
  }
  header #header_navi > ul > li a {
    font-size: 1.5em;
    letter-spacing: 0.12em;
    line-height: 1;
    font-weight: 600;
  }
  header #header_navi > ul > li a::before {
    margin-bottom: 5px;
    font-size: 4.4rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1;
  }
  footer {
    font-size: 1.2rem;
    padding: 15px 0;
  }
}