@charset "UTF-8";

/* ===========================================================================
PAGE RESEARCH
=========================================================================== */
.research_flex {
  display: flex;
  justify-content: space-between;
  padding: 113px 0 0;
  position: relative;
}

@media screen and (max-width:767px) {
  .research_flex {
    display: block;
    padding: 60px 0 0;
  }
}

/*-------------------------------------------
sidebar
-------------------------------------------*/
.sidebar {
  height: fit-content;
  margin-right: 60px;
  max-width: 240px;
  position: sticky;
  top: 0;
  width: 100%;
}

@media screen and (max-width:767px) {
  .sidebar {
    display: none;
  }
}

.sidebar_ttl {
  color: #584D44;
  font-size: 24px;
  font-weight: 600;
}

.sidebar_year-container {
  align-items: flex-start;
  display: flex;
  margin: 25px auto 0;
  position: relative;
}

.sidebar_year-list {
  list-style: none;
  margin: 0;
  padding-left: 28px;
}

.sidebar_year-track {
  background-color: #D0C5B8;
  position: absolute;
  bottom: 0;
  left: 4px;
  top: 0;
  width: 2px;
}

.sidebar_year-thumb {
  background-color: #A68E6A;
  border: 2px solid #fff;
  border-radius: 50%;
  height: 14px;
  position: absolute;
  left: -6px;
  transition: top 0.3s ease;
  width: 14px;
}

.sidebar_year {
  color: #BCBCBC;
  display: inline-block;
  font-size: 20px;
  line-height: 1;
  padding: 9px 0;
  transition: 0.3s;
}

.sidebar_year.active {
  color: #584D44;
  transform: scale(1.2) translateX(4px);
}

.sidebar_btn-list {
  margin-top: 20px;
  padding-bottom: 49px;
}

.sidebar_btn-list>li:not(:last-child) {
  margin-bottom: 10px;
}

.sidebar_btn {
  align-items: center;
  border: 1px solid #C3BAAC;
  border-radius: 6px;
  display: flex;
  font-size: 16px;
  padding: 14px 55px;
  position: relative;
}

.sidebar_btn:hover {
  border: 1px solid #6CC85C;
  color: #6CC85C;
}

.sidebar_btn.ico01::before {
  background: url(/common/images/info_icon01.png) center/contain no-repeat;
  content: '';
  height: 30px;
  position: absolute;
  left: 15px;
  top: calc(50% - 15px);
  width: 30px;
}

.sidebar_btn.ico01:hover::before {
  background: url(/common/images/info_icon01_hover.png) center/contain no-repeat;
}

.sidebar_btn.ico02::before {
  background: url(/common/images/info_icon02.png) center/contain no-repeat;
  content: '';
  height: 30px;
  position: absolute;
  left: 15px;
  top: calc(50% - 15px);
  width: 30px;
}

.sidebar_btn.ico02:hover::before {
  background: url(/common/images/info_icon02_hover.png) center/contain no-repeat;
}

.sidebar_btn.ico03::before {
  background: url(/common/images/info_icon03.png) center/contain no-repeat;
  content: '';
  height: 30px;
  position: absolute;
  left: 15px;
  top: calc(50% - 15px);
  width: 30px;
}

.sidebar_btn.ico03:hover::before {
  background: url(/common/images/info_icon03_hover.png) center/contain no-repeat;
}

.sidebar_btn.ico04::before {
  background: url(/common/images/info_icon04.png) center/contain no-repeat;
  content: '';
  height: 30px;
  position: absolute;
  left: 15px;
  top: calc(50% - 15px);
  width: 30px;
}

.sidebar_btn.ico04:hover::before {
  background: url(/common/images/info_icon04_hover.png) center/contain no-repeat;
}

.sidebar_btn.ico05::before {
  background: url(/common/images/info_icon05.png) center/contain no-repeat;
  content: '';
  height: 30px;
  position: absolute;
  left: 15px;
  top: calc(50% - 15px);
  width: 30px;
}

.sidebar_btn.ico05:hover::before {
  background: url(/common/images/info_icon05_hover.png) center/contain no-repeat;
}

.sidebar_btn::after {
  background: url(/common/images/info_arrow.png) center/contain no-repeat;
  content: '';
  height: 13px;
  position: absolute;
  right: 15px;
  top: calc(50% - 8px);
  width: 16px;
}

.sidebar_btn:hover::after {
  background: url(/common/images/info_arrow_hover.png) center/contain no-repeat;
}


/*-------------------------------------------
information
-------------------------------------------*/
.information {
  min-height: 2000px;
  padding-top: 7px;
  width: 100%;
}

.information .dot {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 0 auto;
  padding: 57px 0;
  width: 10px;
  row-gap: 16px;
}

@media screen and (max-width:767px) {
  .information .dot {
    padding: 68px 0;
  }
}

.information .dot span {
  background: #D3D3D3;
  border-radius: 50%;
  display: block;
  height: 10px;
  width: 10px;
}

.information ul.list li.item a {
  display: block;
  border-bottom: 1px solid #C3BAAC;
  padding: 35px 130px 34px 0;
  position: relative;
}

.information ul.list li.item .ico {
  border: 1px solid #C3BAAC;
  border-radius: 50%;
  height: 80px;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 80px;
}

.information ul.list li.item .ico.blank {
  background: url(/common/images/icon_link_brown_pcsp.png);
  background-position: 30px 23px;
  background-repeat: no-repeat;
  background-size: 26px 26px;
}

.information ul.list li.item a:hover i.blank {
  background: url(/common/images/icon_link_green_pcsp.png);
  background-position: 30px 23px;
  background-repeat: no-repeat;
  background-size: 26px 26px;
  border: 1px solid #6CC85C;
}

@media screen and (max-width:767px) {
  .information ul.list li.item a:hover i.blank {
    background: url(/common/images/icon_link_green_pcsp.png);
    background-position: 18px 12px;
    background-repeat: no-repeat;
    background-size: 26px 26px;
    border: 1px solid #6CC85C;
  }
}

.information ul.list li.item .ico.arrow {
  background: url(/common/images/arrow2_brown_pcsp.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 25px 16px;
}

.information ul.list li.item a:hover i.arrow {
  background: url(/common/images/arrow2_green_pcsp.png);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 25px 16px;
  border: 1px solid #6CC85C;
}

@media screen and (max-width:767px) {
  .information ul.list li.item a:hover i.arrow {
    background: url(/common/images/arrow2_green_pcsp.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 25px 16px;
    border: 1px solid #6CC85C;
  }
}

.information ul.list li.item .ico.pdf {
  background: url(/common/images/icon_pdf_pcsp.png);
  background-position: 28px 25px;
  background-repeat: no-repeat;
  background-size: 22px 28px;
}

.information ul.list li.item a:hover i.pdf {
  background: url(/common/images/icon_pdf_hov_pcsp.png);
  background-position: 28px 25px;
  background-repeat: no-repeat;
  background-size: 22px 28px;
  border: 1px solid #6CC85C;
}

@media screen and (max-width:767px) {
  .information ul.list li.item a:hover i.pdf {
    background: url(/common/images/icon_pdf_hov_pcsp.png);
    background-position: 17px 14px;
    background-repeat: no-repeat;
    background-size: 22px 28px;
    border: 1px solid #6CC85C;
  }
}

.information ul.list li.item p.date {
  align-items: center;
  display: flex;
  padding-bottom: 8px;
}

.information ul.list li.item p.date .text {
  color: #584D44;
  display: inline-block;
  font-size: 1.6em;
  font-weight: bold;
  line-height: 2;
  margin-right: 4px;
}

.information ul.list li.item p.content {
  font-size: 1.6em;
}

.information .view_more {
  display: flex;
  justify-content: flex-end;
  padding-top: 48px;
}

.information .date .tag {
  display: inline-block;
  height: 26px;
  margin-left: 4px;
  transform: translateY(-2px);
  width: 26px;
}

.information .date .tag.ico01 {
  background: url(/common/images/info_icon01.png) center/contain no-repeat;
}

.information .date .tag.ico02 {
  background: url(/common/images/info_icon02.png) center/contain no-repeat;
}

.information .date .tag.ico03 {
  background: url(/common/images/info_icon03.png) center/contain no-repeat;
}

.information .date .tag.ico04 {
  background: url(/common/images/info_icon04.png) center/contain no-repeat;
}

.information .date .tag.ico05 {
  background: url(/common/images/info_icon05.png) center/contain no-repeat;
}


@media screen and (max-width:767px) {
  .information {
    padding-top: 61px;
  }

  .information ul.list li.item a {
    padding: 32px 0 40px 0;
  }

  .information ul.list li.item .ico {
    height: 58px;
    right: 0;
    top: 49px;
    transform: translateY(-50%);
    width: 58px;
  }

  .information ul.list li.item .ico.blank {
    background-position: 18px 12px;
    background-size: 26px 26px;
  }

  .information ul.list li.item .ico.pdf {
    background-position: 17px 14px;
    background-size: 22px 28px;
  }

  .information ul.list li.item p.date {
    padding-bottom: 32px;
  }

  .information ul.list li.item p.date .text {
    display: block;
    margin-right: 10px;
  }

  .information .view_more {
    justify-content: center;
    padding-top: 30px;
  }
}


/* ================================================ */

.dropdown {
  display: none;
  position: relative;
  width: 100%;
}

.dropdown:first-child {
  margin-bottom: 20px;
  z-index: 999;
}

.dropdown:first-child .dropdown_body {
  z-index: 999;
}

@media screen and (max-width:767px) {
  .dropdown {
    display: block;
  }
}

.dropdown_head {
  background: #fff;
  border: #C3BAAC solid 1px;
  border-radius: 6px;
  color: #584D44;
  cursor: pointer;
  font-size: 20px;
  font-weight: 600;
  padding: 15px 24px;
  user-select: none;
}

.dropdown_head::after {
  background: url(/common/images/dropdown_arrow.png) center/contain no-repeat;
  content: '';
  height: 11px;
  position: absolute;
  right: 15px;
  top: calc(50% - 5.5px);
  transition: .3s;
  width: 16px;
}

.dropdown_body {
  background-color: #fff;
  border-radius: 6px;
  box-shadow: 0 0 14px rgba(0, 0, 0, 0.16);
  box-sizing: content-box;
  max-height: 0;
  overflow-y: hidden;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  transition: max-height 0.3s ease;
  z-index: 1000;
}

.dropdown_inner {
  padding: 5px 10px;
}

.dropdown_list {
  max-height: 349px;
  overflow-y: scroll;
  padding-right: 10px;
}

.dropdown_list::-webkit-scrollbar {
  width: 14px;
}

.dropdown_list::-webkit-scrollbar-track {
  background: #F5F5F5;
  border-radius: 30px;
}

.dropdown_list::-webkit-scrollbar-thumb {
  background-clip: content-box;
  background-color: #D3D3D3;

  border: 2px solid transparent;
  border-radius: 30px;
}

.dropdown_item {
  background: #fff;
  border-bottom: 1px solid #C3BAAC;
  cursor: pointer;
  display: block;
  font-size: 20px;
  padding: 19px 15px 20px;
  position: relative;
}

.dropdown_item::after {
  background: url(/common/images/dropdown_arrow.png) center/contain no-repeat;
  content: '';
  height: 11px;
  position: absolute;
  right: 15px;
  top: calc(50% - 5.5px);
  width: 16px;
}

.dropdown_item:hover {
  background-color: #f9f9f9;
}

.dropdown_list>li:last-child .dropdown_item {
  border-bottom: none;
}

.dropdown.active .dropdown_head {
  background: #E4D6C0;
  border: 1px solid #E4D6C0;
}

.dropdown.active .dropdown_head::after {
  transform: rotate(180deg);
}

.dropdown.active .dropdown_body {
  border: 1px solid #ddd;
  max-height: 359px;
}

.dropdown.it02 .dropdown_list {
  overflow: hidden;
  padding-right: 0;
}

.dropdown.it02 .dropdown_item {
  display: block;
  font-size: 18px;
  padding: 21px 60px;
  position: relative;
}

.dropdown.it02 .dropdown_item.ico01::before {
  background: url(/common/images/info_icon01.png) center/contain no-repeat;
  content: '';
  height: 34px;
  position: absolute;
  left: 11px;
  top: calc(50% - 18px);
  width: 34px;
}

.dropdown.it02 .dropdown_item.ico02::before {
  background: url(/common/images/info_icon02.png) center/contain no-repeat;
  content: '';
  height: 34px;
  position: absolute;
  left: 11px;
  top: calc(50% - 18px);
  width: 34px;
}

.dropdown.it02 .dropdown_item.ico03::before {
  background: url(/common/images/info_icon03.png) center/contain no-repeat;
  content: '';
  height: 34px;
  position: absolute;
  left: 11px;
  top: calc(50% - 18px);
  width: 34px;
}

.dropdown.it02 .dropdown_item.ico04::before {
  background: url(/common/images/info_icon04.png) center/contain no-repeat;
  content: '';
  height: 34px;
  position: absolute;
  left: 11px;
  top: calc(50% - 18px);
  width: 34px;
}

.dropdown.it02 .dropdown_item.ico05::before {
  background: url(/common/images/info_icon05.png) center/contain no-repeat;
  content: '';
  height: 34px;
  position: absolute;
  left: 11px;
  top: calc(50% - 18px);
  width: 34px;
}

.dropdown.it02 .dropdown_item::after {
  background: url(/common/images/info_arrow.png) center/contain no-repeat;
  content: '';
  height: 13px;
  position: absolute;
  right: 8px;
  top: calc(50% - 8px);
  width: 16px;
}