body {
  margin: 0;
  padding: 0;
  background: url("../images/menu-background.jpg");
  background-size: cover;
  color: #fff;
  overflow-x: hidden;
  font-family: Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.3;
}


#instructions {
  position: absolute;
  width: 100%;
  height: 100%;

  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;

  background: #00467e;
  background: linear-gradient(0deg, #004672ee 0%, #0062b2ee 100%);
  backdrop-filter: blur(5px);
}

#instructions.in {
  display: flex;
}

#container {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.2s ease;
}

#container.in {
  opacity: 1;
}

.eki-chan {
  height: 30vh;
}


.loading {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
  background: rgb(0,70,126);
  background: linear-gradient(0deg, #004672 0%, #0062b2 100%); 
  backdrop-filter: blur(5px);
}

.loading.in {
  opacity: 1;
}

.loading-message {
  margin: 0.2em 0;
}

.loading-message.sub {
  font-size: 12px;
}

.progress-bar {
  position: relative;
  width: 128px;
  height: 1px;
  background: #37cce3;
  margin: 1em 0;
}

.progress-bar-inner {
  position: absolute;
  top: 0;
  left: 0;
  width: 1%;
  height: 1px;
  background: #fff;
}


a {
  color: #fff;
  text-decoration: underline;
}

.main-menu {
  width: 100%;
  height: 100vh;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 42px;
  display: flex;
  position: fixed;
  top: 0%;
  bottom: 0%;
  left: 0%;
  right: 0%;
  background: rgb(0,70,126);
  background: linear-gradient(0deg, #004672ee 0%, #0062b2ee 100%);
  backdrop-filter: blur(5px);
}

.button {
  background-color: rgba(0, 0, 0, 0);
  border: 1px solid #fff;
  border-radius: 6px;
  padding-left: 80px;
  padding-right: 80px;
  font-family: Montserrat, sans-serif;
  font-size: 16px;
  font-weight: normal;
  text-decoration: none;
  line-height: 2.5;
}



.key {
  width: 45px;
  text-align: center;
  border: 1px solid #fff;
  border-radius: 6px;
  margin: 3px;
  padding: 13px 0;
  line-height: 1;
}

.key.single {
  margin-left: calc(50% - 22.5px);
  margin-right: calc(50% - 22.5px);
}



.keys {
  flex-wrap: wrap;
  justify-content: center;
  display: flex;
}

.flex-row {
  width: 60%;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-bottom: 64px;
  display: flex;
}

.column {
  flex-direction: column;
  flex: 1px;
  justify-content: center;
  align-items: center;
  display: flex;
}

.label {
  margin-top: 20px;
}

.link {
  color: #fff;
  text-decoration: none;
  display: block;
}

.back-button {
  position: fixed;
  top: 0;
  right: 22px;
  text-decoration: none;
  font-size: 64px;
  transform: rotate(45deg);
  padding: 10px;
}

.footer {
  text-align: right;
  position: absolute;
  bottom: 30px;
  left: 40px;
  right: 40px;
}

.h1 {
  text-align: center;
  margin: 0;
  /* font-family: Palatino Linotype, Book Antiqua, Palatino, serif; */
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Osaka, "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-size: 36px;
}

.spacer {
  height: 78px;
}

.h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 128px;
  font-family: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Osaka, "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-size: 32px;
}


.about .h2 {
  margin-bottom: 36px;
}

.about {
  width: 100%;
  min-height: 100vh;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: none;
  position: absolute;
  top: 0%;
  left: 0%;
  overflow-x: hidden;
  overflow-y: auto;
  background: rgb(0,70,126);
  background: linear-gradient(0deg, #004672ee 0%, #0062b2ee 100%); 
  backdrop-filter: blur(5px);
}

.p {
  max-width: 64ch;
  margin-bottom: 0;
  line-height: 1.5;
}

.flex-column {
  width: 60%;
  flex-flow: column wrap;
  justify-content: space-around;
  align-items: center;
  margin-bottom: 64px;
  display: flex;
}

.hr {
  width: 30ch;
  height: 1px;
  background-color: #fff;
  margin-top: 50px;
  margin-bottom: 36px;
}

.main-meun {
  display: none;
}

.mobile-message {
  width: 100%;
  height: 100vh;
  background: rgb(0,70,126);
  background: linear-gradient(0deg, #004672ee 0%, #0062b2ee 100%); 
  backdrop-filter: blur(5px);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  display: none;
  position: fixed;
  top: 0%;
  bottom: 0%;
  left: 0%;
  right: 0%;
}

@media screen and (max-width: 767px) {
  .mobile-message {
    display: flex;
  }
}