@charset "utf-8";
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300&family=Fredoka:wght@300&family=Montserrat:ital,wght@0,500;1,500&family=Noto+Sans+JP:wght@300&family=Noto+Sans+JP:wght@500&display=swap');

body {
  font-family: 'Fira Code', 'Noto Sans JP', monospace;
  background-color: #b7e2fa;
  font-optical-sizing: auto;
  margin: 0;
  font-weight: 300;
}

.header {
  box-shadow: 0px 0px 10px 0px #5bbff5;
  height: 64px;
  position: fixed;
  top: 0px;
  left: 0px;
  background-color: #5bbff5;
  color: #fff;
  width: 100%;
  z-index: 100;
}

.header1 {
  margin: 0% 3%;
  display: flex;
  justify-content: space-between;
  height: 64px;
}

.header2 {
  white-space: nowrap;
  position: relative;
  width: 100%;
  height: 52px;
  margin: 8px 0 4px;
}

.hamburger_menu {
  width: 64px;
  height: 100%;
}

.drawer_hidden {
  display: none;
}

.drawer_open {
  display: flex;
  height: 64px;
  width: 64px;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 100;
  cursor: pointer;
}

.drawer_open span,
.drawer_open span:before,
.drawer_open span:after {
  content: '';
  display: block;
  height: 3px;
  width: 25px;
  border-radius: 3px;
  background: #fff;
  transition: 0.5s;
  position: absolute;
}

.drawer_open span:before {
  bottom: 8px;
}

.drawer_open span:after {
  top: 8px;
}

#drawer_input:checked~.drawer_open span {
  background: #fff0;
}

#drawer_input:checked~.drawer_open span::before {
  bottom: 0;
  transform: rotate(45deg);
}

#drawer_input:checked~.drawer_open span::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav_content {
  width: 100%;
  position: fixed;
  top: 64px;
  z-index: 99;
  background: #fff0;
  left: 0;
  padding: 0;
  visibility: hidden;
  opacity: 0;
}

.nav_list {
  list-style: none;
}

#drawer_input:checked~.nav_content {
  visibility: visible;
  opacity: 1;
}

.hamburger_menu_menu {
  position: relative;
  margin: 0 auto;
  max-width: 700px;
  height: 100%;
  margin-top: -20px;
  left: 0%;
  background-color: #fff0;
}

.hamburger_menu_list {
  font-family: "Montserrat", serif;
  font-optical-sizing: auto;
  font-weight: 500;
  line-height: 1.9;
  padding: 10px 10%;
  background-color: #5bbff5;
}

.hamburger_menu_list_atag {
  color: #fff;
  text-decoration: none;
}

nav ul {
  padding-left: 0;
}

nav ul li {
  list-style: none;
}

strong {
  color: #00c;
}

.content {
  position: relative;
  top: 64px;
  margin: -10% auto 80px;
  max-width: 700px;
  left: 0%;
  padding: 15% 5% 5%;
  background-color: #fff;
}

.pmdocuments {
  display: block;
  position: relative;
  padding: 0%, 15%;
  line-height: 1.9;
}

.title {
  font-family: 'Montserrat', 'Noto Sans JP', sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  padding: 0%, 10%;
  color: #f5915b;
  margin-top: 0px;
}

.colorlink {
  color: #d99;
}

.right_side {
  display: flex;
  justify-content: flex-end;
}

.externallink {
  color: #5bbff5;
}

.footer {
  margin: 12px;
  text-align: center;
  z-index: 150;
}

.image {
  width: 100%;
  border-radius: 10px;
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #033048;
    color: #fff;
  }

  .header {
    box-shadow: 0px 0px 10px 0px #0a74ad;
    background-color: #0a74ad;
  }

  .hamburger_menu_list {
    background-color: #0a74ad;
  }

  strong {
    color: #ff0;
  }

  .content {
    background-color: #022030;
  }
}

@media (min-width: 1024px) {
  .hm_buttons {
    display: none;
  }

  .nav_content {
    visibility: visible;
    opacity: 1;
  }

  .hamburger_menu_menu {
    max-width: 100%;
    margin-top: -108px;
  }

  .hamburger_menu_list {

    padding: 10px 5%;
  }

  nav ul {
    display: block;
    float: right;
  }

  nav ul li {
    float: left;
    margin-right: 16px;
  }
}