/* grid_pc */
.row {
  display: flex; }

.column {
  margin-left: 4%; }

.column:first-child {
  margin-left: 0; }

.one.column {
  width: 4.66666666667%; }

.two.column {
  width: 13.3333333333%; }

.three.column {
  width: 22%; }

.four.column {
  width: 30.6666666667%; }

.five.column {
  width: 39.3333333333%; }

.six.column {
  width: 48%; }

.seven.column {
  width: 56.6666666667%; }

.eight.column {
  width: 65.3333333333%; }

.nine.column {
  width: 74.0%; }

.ten.column {
  width: 82.6666666667%; }

.eleven.column {
  width: 91.3333333333%; }

.twelve.column {
  width: 100%; }

.row.row_reverse {
  flex-direction: column-reverse; }
  .row.row_reverse .column:last-child {
    margin-left: 0; }
  .row.row_reverse .column:first-child {
    margin-left: 4%; }

:target {
  scroll-margin-top: 80px; }

/*----------------------------------------------

  header

----------------------------------------------*/
.call_nav, #drawer {
  display: none; }

.site_header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px; }
  .site_header .site_header_nav .site_header_page_nav {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0 auto;
    gap: 0 20px; }
    .site_header .site_header_nav .site_header_page_nav li {
      margin: 0;
      padding: 0; }
      .site_header .site_header_nav .site_header_page_nav li a {
        -webkit-transition: 0.3s all ease;
        -moz-transition: 0.3s all ease;
        -ms-transition: 0.3s all ease;
        -o-transition: 0.3s all ease;
        transition: 0.3s all ease; }
        .site_header .site_header_nav .site_header_page_nav li a:hover, .site_header .site_header_nav .site_header_page_nav li a:active {
          -webkit-transition: 0.3s all ease;
          -moz-transition: 0.3s all ease;
          -ms-transition: 0.3s all ease;
          -o-transition: 0.3s all ease;
          transition: 0.3s all ease; }
  .site_header .call_nav {
    display: none; }

/*----------------------------------------------

  footer

----------------------------------------------*/
.site_footer .site_footer_wrap .site_footer_nav .site_footer_nav_list {
  display: flex;
  justify-content: center; }
.site_footer .site_footer_address {
  display: flex;
  flex-direction: column;
  font-style: normal; }
.site_footer .copyright {
  display: block;
  text-align: center;
  padding: 1em;
  margin: 0; }

/*----------------------------------------------

  layout

----------------------------------------------*/
.body_index main {
  padding-top: 0; }

.stack_box .stack_photo {
  width: 60%; }
.stack_box .stack_doc {
  padding: 1.8em 2.4em;
  max-width: 600px;
  width: 50%;
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-50%);
  min-height: 20em; }
  .stack_box .stack_doc p + p {
    margin-top: 3em; }

.stack_box.photo_left .stack_photo {
  margin-right: 40%; }
.stack_box.photo_left .stack_doc {
  position: absolute;
  top: 50%;
  left: 50%; }

.stack_box.photo_right .stack_photo {
  margin-left: 40%; }
.stack_box.photo_right .stack_doc {
  position: absolute;
  top: 50%;
  right: 50%; }

.txt_center_pc {
  text-align: center; }

.txt_right_pc {
  text-align: right; }

.pc_big {
  font-size: 120%; }

.pc_big_s {
  font-size: 110%; }

.pc_big_m {
  font-size: 150%; }

.pc_big_l {
  font-size: 180%;
  margin: 0; }

.pc_big_xl {
  font-size: 240%;
  margin: 0; }

.bg_slider, .bg_slider:after {
  height: 100%; }

.pc_none {
  display: none; }

/*----------------------------------------------

  container

----------------------------------------------*/
.container {
  width: 940px;
  margin: 0 auto; }
  @media (min-width: 1199px) {
    .container {
      width: 1170px; }
      .container.lg {
        width: 90%; } }
  .container.xs {
    width: 640px; }
  .container.sm {
    width: 800px; }
  .container.md {
    width: 880px; }
  .container.wide {
    width: 100%;
    max-width: 90%; }

/*----------------------------------------------

  article

----------------------------------------------*/
article {
  padding-top: 80px; }

/*----------------------------------------------

  asset

----------------------------------------------*/
.page_title {
  letter-spacing: 0.05em; }
  .page_title + p {
    font-size: 1.8rem; }

.sec_title {
  letter-spacing: 0.05em; }

.sub_title {
  font-size: 2rem; }
  @media (min-width: 1199px) {
    .sub_title {
      font-size: 2.4rem; } }

.lead_title {
  position: relative;
  font-size: 2.4rem; }

.sec_copy {
  font-size: 2rem; }

ul.tag_list li {
  font-size: 88%;
  padding: .6em .6em !important; }

.btn.btn_list a {
  display: inline-block; }

.btn a {
  max-width: 480px; }

.page_link_list ul {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  gap: 20px;
  list-style: none;
  justify-content: center;
  align-items: center; }
  .page_link_list ul li {
    list-style: none; }
    .page_link_list ul li a {
      display: inline-block;
      padding: .8em 1.2em;
      min-width: 12em;
      margin: .4em;
      text-align: center;
      color: #202020;
      border: 1px solid #202020; }

/*----------------------------------------------

  index

----------------------------------------------*/
.page_header .page_header_title {
  font-size: 3rem; }
  @media screen and (min-width: 1200px) {
    .page_header .page_header_title {
      font-size: 3.6rem; } }
  .page_header .page_header_title span {
    display: block;
    font-size: 1.4rem; }
    @media screen and (min-width: 1200px) {
      .page_header .page_header_title span {
        font-size: 1.6rem; } }

@media screen and (min-width: 1200px) {
  .curriculum_wrap .curriculum_list > li .curriculum_title {
    font-size: 2.8rem; } }

@media screen and (min-width: 1200px) {
  .body_se .about_info_fig, .body_ec .about_info_fig, .body_ecp .about_info_fig {
    margin-right: -20%; } }

.body_ec .about_wrap .about_info_wrap .about_info_doc .about_title {
  font-size: 2.8rem; }