@charset "UTF-8";
/* Contents Menu
-------------------------------------------------------------------------------------
【PC/SP】
	**:normalize
	**:icon
	**:reset
	**:base contents
		header/gnav/mv/contents/footer/newslist/
	**:indent
	**:size
	**:wide
	**:section
	**:compo parts
		btn/box/list/head/table/float/column/topcontrol/roBtn/
	**:pager
	**:form
-------------------------------------------------------------------------------------*/
/* normalize
-------------------*/
/*! normalize.css v2.0.1 | MIT License | git.io/normalize */ article, aside, details, figcaption, figure, footer, header, hgroup, nav, section, summary {
  display: block
}
audio, canvas, video {
  display: inline-block
}
audio:not([controls]) {
  display: none;
  height: 0
}
[hidden] {
  display: none
}
html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%
}
body {
  margin: 0
}
h1 {
  font-size: 2em
}
abbr[title] {
  border-bottom: 1px dotted
}
b, strong {
  font-weight: 700
}
dfn {
  font-style: italic
}
mark {
  background: #ff0;
  color: #000
}
code, kbd, pre, samp {
  font-family: monospace, serif;
  font-size: 1em
}
pre {
  white-space: pre;
  white-space: pre-wrap;
  word-wrap: break-word
}
q {
  quotes: "\201C""\201D""\2018""\2019"
}
small {
  font-size: 80%
}
sub, sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline
}
sup {
  top: -.5em
}
sub {
  bottom: -.25em
}
img {
  border: 0
}
svg:not(:root) {
  overflow: hidden
}
figure {
  margin: 0;
  line-height: 0;
}
fieldset {
  border: 1px solid silver;
  margin: 0 2px;
  padding: .35em .625em .75em
}
legend {
  border: 0;
  padding: 0
}
button, input, select, textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0
}
button, input {
  line-height: normal
}
button, html input[type="button"], input[type=reset], input[type=submit] {
  -webkit-appearance: button;
  cursor: pointer
}
button[disabled], input[disabled] {
  cursor: default
}
input[type=checkbox], input[type=radio] {
  box-sizing: border-box;
  padding: 0
}
input[type=search] {
  -webkit-appearance: textfield;
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box;
  box-sizing: content-box
}
input[type="search"]::-webkit-search-cancel-button, input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none
}
button::-moz-focus-inner, input::-moz-focus-inner {
  border: 0;
  padding: 0
}
textarea {
  overflow: auto;
  vertical-align: top
}
table {
  border-collapse: collapse;
  border-spacing: 0
}
/* reset
-------------------*/
html {
  /*  scroll-behavior: smooth;*/
  background-color: #FFF;
  font-size: 62.5%; /* sets the base font to 10px for easier math */
}
body, h1, h2, h3, h4, h5, h6, pre, ul, ol, li, dl, dt, dd, p, img {
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #484848;
  font-size: 14px;
  font-size: 1.4rem;
  font-feature-settings: "palt";
  line-height: 2;
  letter-spacing: 0.1rem;
  overflow-x: hidden;
  background-color: #fff;
}
body * {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -o-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}
a, a:link, a:hover, a:focus {
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  outline: none;
  -webkit-transition: all .5s ease-in-out;
  transition: all .5s ease-in-out;
}
a:hover {
  text-decoration: none;
}
ul, ol {
  list-style-type: none;
}
::selection {
  background-color: #888;
  color: #FFF; /* Safari */
}
::-moz-selection {
  background-color: #888;
  color: #FFF; /* Firefox */
}
img {
  width: 100%;
  height: auto;
}
.item01 {
  order: 1;
}
.item02 {
  order: 2;
}
.center {
  text-align: center;
}
.left {
  text-align: left;
}
.right {
  text-align: right;
}
.bold {
  font-weight: 600;
}
.mgb0 {
  margin-bottom: 0;
}
/*-------------------*/
.wrap {
  overflow: hidden;
}
.min {
  font-family: YuMincho, 'Yu Mincho', 'Hiragino Mincho ProN', 'serif';
  font-weight: 500;
}
.sp {
  display: block;
}
.pc {
  display: none;
}
.flex {
  display: flex;
  flex-wrap: wrap;
}
.cont_inr {
  max-width: 94rem;
  margin: auto;
}
.headerWrap {
  position: relative;
  top: 0;
  left: 0;
  z-index: 100;
}
.headerWrap .logo {
  width: 130px;
  position: fixed;
  top: 5px;
  line-height: 1;
  left: 1rem;
  transition: all 1s;
}
.btn_list {
  position: fixed;
  transform: translateY(-50%);
  z-index: 1000000;
  width: 14.8rem;
  transition: all 1s;
  -webkit-transition: all 1s;
}
.btn_list li {
  margin-bottom: 0.8rem;
}
.btn_list li a {
  position: relative;
  display: block;
  text-align: center;
  padding: 2rem 1rem 3rem;
  border-radius: 100vh;
  border: 1px solid #fff;
  height: 14.8rem;
  width: 14.8rem;
  overflow: hidden;
  z-index: 0;
  line-height: 1;
  background: rgba(0, 0, 0, 0.1);
}
/*
.headerWrap.active .btn_list li a {
  height: 12rem;
  width: 12rem;
}
.headerWrap.active .btn_list li a img {
  width: 6rem;
  margin: 0.8rem auto 0.4rem;
}
.headerWrap.active .btn_list li a .arrow {
  padding: 0.5rem;
  width: 9.4rem;
}
.headerWrap.active .btn_list li a .arrow::after {
  right: 0.2rem;
}
*/
.btn_list li a::after {
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.1);
  left: 0;
  top: 0;
  z-index: -1;
  transition: all 1s;
  -webkit-transition: all 1s;
  backdrop-filter: blur(5px);
}
.btn_list li a img {
  width: 8rem;
  margin: 1rem auto;
  display: block;
}
.btn_list li:nth-child(2) a img {
  width: 11.1rem;
}
.btn_list li a .arrow {
  display: block;
  border-radius: 3rem;
  background-color: #fff;
  color: #D06C7D;
  line-height: 1;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  width: 10.4rem;
  margin: auto;
  position: relative;
}
.btn_list li a .arrow::after {
  position: absolute;
  content: "";
  width: 0.4rem;
  height: 1rem;
  right: 0.7rem;
  background: url("/opencampus2023/images/arrow.png")no-repeat center center/contain;
  top: 50%;
  transform: translate(-50%, -50%);
}
.h_btn-list, .headerWrap::after {
  position: fixed;
}
.h_btn-list {
  transition: all 1s;
  -webkit-transition: all 1s;
}
.h_btn-list li {
  padding: 0 0.5rem;
}
.h_btn-list a {
  font-size: 1.2rem;
}
.h_btn-list .h_btn a {
  padding: 0.8rem 1rem;
  background-color: #F8E7EC;
  border-radius: 3rem;
  display: block;
  color: #D06C7D;
  line-height: 1;
}
/*footer*/
footer {
  padding: 6rem 1.5rem 8rem;
  backdrop-filter: blur(18px);
}
footer .logo {
  max-width: 25rem;
  margin: 0 auto 3rem;
}
footer .li_wrap {
  justify-content: center;
}
footer .li_wrap li {
  width: 100%;
  text-align: center;
  color: #fff;
}
/**/
.btn {
  max-width: 20rem;
  margin: 0 auto 3rem;
}
.btn a {
  -webkit-transform: perspective(1px) translateZ(0);
  transform: perspective(1px) translateZ(0);
  -webkit-transition-property: color;
  transition-property: color;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  background-color: #fff;
  overflow: hidden;
  display: block;
  font-size: 1.4rem;
  padding: 1.5rem 2rem;
  color: #D06C7D;
  line-height: 1;
  width: 100%;
  position: relative;
  transition: .8s cubic-bezier(0.19, 1, 0.22, 1);
  -webkit-transition: .8s cubic-bezier(0.19, 1, 0.22, 1);
}
.btn a::after {
  width: 2.2rem;
  height: 0.6rem;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  transition: all 0.5s;
  background: url("/opencampus2023/images/btn_arrow_p.png")no-repeat center center/contain;
  content: "";
  position: absolute;
}
.morebtn {
  background: url("/opencampus2023/images/more_w.png")no-repeat center center/contain;
  width: 11.1rem;
  height: 4rem;
  display: block;
  line-height: 1;
  padding: 1rem 1.5rem;
  position: absolute;
  transition: all 0.5s;
}
/*
.morebtn img {
  width: 4.4rem;
}
.morebtn::after {
  background: url("/opencampus2023/images/btn_arrow_b.png")no-repeat center center/contain;
}
*/
@media only screen and (min-width: 769px) {
  .item01 {
    order: 2;
  }
  .item02 {
    order: 1;
  }
  .sp {
    display: none
  }
  .pc {
    display: block;
  }
  .headerWrap::after {
    top: -8rem;
    left: 0;
    content: "";
    background-color: #D06C7D;
    width: 100%;
    height: 5.6rem;
    z-index: -1;
    opacity: 0.8;
    transition: all 1s;
    -webkit-transition: all 1s;
  }
  .headerWrap.active::after, .h_btn-list.active {
    top: 0;
  }
  .btn_list {
    right: 4.5rem;
    top: 60%;
    transform: translateY(-50%);
  }
  .btn_list li a:hover::after {
    background: rgba(0, 0, 0, 0.5);
  }
  .headerWrap.active .btn_list {
    right: -30rem;
  }
  .headerWrap.active .btn_list li a {
    margin-left: auto;
  }
  .h_btn-list {
    top: -10rem;
  }
  .headerWrap.active .h_btn-list {
    top: 1.5rem;
    right: 3rem;
    align-items: center;
  }
  .h_btn-list a {
    font-size: 1.3rem;
  }
  .h_btn-list .h_btn a:hover {
    color: #fff;
    background-color: #D06C7D;
  }
  .h_btn-list .t_btn {
    border-left: 1px solid #fff;
    line-height: 1;
  }
  .h_btn-list .t_btn span {
    color: #fff;
    opacity: 0.5
  }
  .h_btn-list .t_btn a:hover {
    opacity: 0.5;
  }
  .btn a:hover {
    background-color: #C7364D;
    color: #fff;
  }
  .btn a:hover::after {
    /*    right: 0.5rem;*/
    background: url("/opencampus2023/images/btn_arrow_w.png")no-repeat center center/contain;
  }
  a:hover .morebtn {
    background: url("/opencampus2023/images/more_red.png")no-repeat center center/contain;
  }
  .headerWrap .logo {
    width: 15.8rem;
    top: 1rem;
    left: 1.8rem;
  }
  footer {
    padding: 6rem 1.5rem 4rem;
  }
  footer .li_wrap li {
    width: auto;
    padding: 0 2rem;
  }
}
@media only screen and (max-width: 768px) {
  /*
  .btn_list {
    left: 1rem;
    bottom: -12rem;
  }
  .btn_list li {
    width: 14.5rem;
  }
  .headerWrap.active .btn_list {
    left: -30rem;
  }
  .headerWrap.active .btn_list li a {
    margin-right: auto;
  }
*/
  .h_btn-list {
    bottom: 0;
    height: 5rem;
    width: 100%;
    left: 0;
    backdrop-filter: blur(18px);
    justify-content: center;
    align-items: center;
    z-index: 100;
  }
  .h_btn-list::after {
    bottom: 0;
    content: "";
    position: fixed;
    height: 5rem;
    width: 100%;
    left: 0;
    background-color: #D06C7D;
    z-index: -1;
    opacity: 0.6;
  }
  .h_btn-list .txt {
    color: #fff;
  }
}