/*header config*/
@media screen and (max-width: 850px) {
  .PC {
    display: none;
  }
}
@media screen and (min-width: 850px) {
  .mobile {
    display: none;
  }
}
.site-header {
  background: rgba(251, 250, 245, 0.485);
  display: flex;
  position: fixed;
  justify-content: space-between;
  width: 100%;
  z-index: 100;
  height: 64px;
  box-shadow: 0px 4px 6px 0px rgba(0, 0, 0, 0.482);
}
.site-header.transform {
  background: rgb(251, 250, 245);
}
.PC-width {
  width: 100%;
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
  height: 64px;
  display: flex;
  justify-content: space-between;
}
.gnav {
  padding-right: 20px;
}
.site-logo img {
  height: 60px;
  width: auto;
  padding-top: 4px;
  padding-left: 5px;
  padding-right: 5px;
  margin: 0;
}
.gnav__menu {
  display: flex;
  margin-top: 10px;
  margin-bottom: 10px;
}
.gnav__menu__item {
  margin-left: 20px;
  list-style: none;
  position: relative;
  display: inline-block;
  transition: 0.3s;
}
.gnav__menu__item a {
  color: #333;
  text-decoration: none;
}
.gnav__menu__item::after {
  position: absolute;
  bottom: 0.3em;
  left: 0;
  content: "";
  width: 100%;
  height: 2px;
  background-color: rgb(31, 190, 187);
  opacity: 0;
  transition: 0.3s;
  margin-bottom: -4px;
}
.gnav__menu__item:hover::after {
  margin-bottom: -4px;
  bottom: 0;
  opacity: 1;
  height: 2px;
}
.rubyposition_under {
  display: inline-block;
}
.rubyposition_under ruby {
  display: flex;
  flex-direction: column;
  text-align: justify;
  text-align-last: center;
}
.PC_span ruby {
  font-size: 20px;
  text-align-last: center;
}
.mobile_span ruby {
  font-size: 30px;
  text-align-last: left;
}
/* ハンバーガーボタン
==============================　*/
.toggle-btn {
  width: 30px;
  height: 30px;
  position: absolute;
  right: 20px;
  top: 20px;
  z-index: 2;
  margin-top: -7px;
  cursor: pointer;
}

.toggle-btn__line {
  background: rgb(0, 0, 0);
  display: block;
  height: 2px;
  position: absolute;
  transition: transform 0.5s;
  width: 100%;
}

.toggle-btn__line--top {
  top: 3px;
}
.toggle-btn__line--center {
  top: 15px;
}
.toggle-btn__line--bottom {
  top: 27px;
}
.toggle-btn__line--top.active {
  top: 15px;
  transform: rotate(45deg);
}
.toggle-btn__line--center.active {
  transform: scaleX(0);
}
.toggle-btn__line--bottom.active {
  top: 15px;
  transform: rotate(135deg);
}
/* ナビゲーションメニュー
==============================　*/
.global-nav {
  display: none;
  position: fixed;
  background: rgba(251, 250, 245);
  width: 100%;
  height: 100%;
  z-index: 1;
}
.global-nav__inner {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
}
.global-nav__item {
  margin-bottom: 30px;
  list-style: none;
}
.global-nav__item a {
  color: rgb(39, 39, 39);
  font-size: 30px;
  text-decoration: none;
  transition: 0.5s;
}
.global-nav__item a:hover {
  opacity: 0.7;
}

/*config*/
.font-weight-bold {
  font-weight: 700 !important;
}
.max-width {
  max-width: 1024px !important;
}

/*top config*/
.head-space {
  width: 100%;
  height: 118px;
}
.top-div {
  width: 100%;
  text-align: center;
  padding-bottom: 50px;
  padding-left: 10px;
  padding-right: 10px;
}
.top-img {
  height: 170px;
}
.top-btn {
  max-width: 430px !important;
  padding-top: 30px;
  padding-bottom: 30px;
}
.btn-outline-info:hover {
  color: white !important;
}
.title-space {
  width: 100%;
  height: 100px;
}

/*explain config*/
.how-to-use-div {
  width: 100%;
  text-align: center;
  padding-bottom: 10px;
  padding-left: 10px;
  padding-right: 10px;
}
.how-to-use-img-1 {
  max-width: 500px;
  height: 300px;
  background-image: url(../img/how_to_use_1.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-table {
  max-width: 500px;
  height: 300px;
  background-image: url(../img/how_to_use_table.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-2 {
  max-width: 500px;
  height: 300px;
  background-image: url(../img/how_to_use_2.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-3 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/how_to_use_3.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-4 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/how_to_use_4.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-5 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/how_to_use_5.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-6 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/how_to_use_6.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-7 {
  max-width: 500px;
  height: 300px;
  background-image: url(../img/how_to_use_7.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-graph-1 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/pca_graph_1.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-graph-2 {
  max-width: 700px;
  height: 400px;
  background-image: url(../img/pca_graph_2.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-principal-component-scores {
  max-width: 500px;
  height: 200px;
  background-image: url(../img/principal_component_scores.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.how-to-use-img-eigenvalues {
  max-width: 500px;
  height: 200px;
  background-image: url(../img/eigenvalues.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
#how-to-use {
  display: block;
  padding-top: 70px;
  margin-top: -70px;
}
.explain-space {
  width: 100%;
  height: 20px;
}
.explain-figcaption-space {
  width: 100%;
  height: 30px;
}
.explain-detail-space {
  width: 100%;
  height: 70px;
}
.explain-subtitle-space {
  width: 100%;
  height: 40px;
}
.graph-padding {
  padding-top: 40px;
  padding-bottom: 10px;
}
.footer-space {
  width: 100%;
  height: 300px;
}

/*footer*/
footer {
  box-shadow: 0px -4px 6px 0px rgba(0, 0, 0, 0.482);
  height: 200px;
}
.footer {
  width: 100%;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}
.footer-detail-space {
  width: 100%;
  height: 20px;
}
.footer-max-width {
  width: 100%;
  max-width: 400px;
  margin-right: auto;
  margin-left: auto;
}
.hex-logo {
  height: 100px;
  background-image: url(../img/pca-maker.webp);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  margin-left: auto;
  margin-right: auto;
}
.used-package {
  width: 100%;
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
}