/*==================================================
teacher
==================================================*/
.teacher .search {
  padding: 30px 0 15px 0;
  margin-bottom: 40px;
  background-color: #183358;
}
@media print, screen and (min-width: 768px) {
  .teacher .search {
    padding: 38px 0 23px 0;
    margin-bottom: 55px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search {
    padding: 45px 0 30px 0;
    margin-bottom: 70px;
  }
}
.teacher .search .search_body {
  margin-bottom: 15px;
}
.teacher .search .search_body form {
  width: 100%;
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body form {
    flex: 1;
    margin-right: 20px;
    margin-bottom: 0;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_body form {
    margin-right: 30px;
  }
}
.teacher .search .search_body form input {
  font-size: 1.4rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  flex: 1;
  width: 100%;
  height: 45px;
  padding: 16px 15px;
  border: none;
  border-radius: 0px;
  background-color: #fff;
  appearance: none;
  transition: background-color 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body form input {
    font-size: 1.5rem;
    height: 52px;
    padding: 16px 20px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_body form input {
    font-size: 1.6rem;
    height: 60px;
    padding: 18px 20px;
  }
}
.teacher .search .search_body form input:focus {
  background-color: #f4f4f4;
  outline: none;
}
.teacher .search .search_body form button {
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  width: 75px;
  border: none;
  background-color: #ecf3ff;
  transition: opacity 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body form button {
    font-size: 1.3rem;
    width: 90px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_body form button {
    font-size: 1.4rem;
    width: 110px;
  }
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body form button:hover {
    opacity: 0.8;
  }
}
.teacher .search .search_body form button span {
  display: inline-block;
  padding-left: 15px;
  padding-bottom: 2px;
  background: url(../img/top_en/icon_search.svg) no-repeat left center;
  background-size: 10px auto;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body form button span {
    padding-left: 18px;
    background-size: 12px auto;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_body form button span {
    padding-left: 20px;
    background-size: 14px auto;
  }
}
.teacher .search .search_body form button:focus {
  outline: none;
}
.teacher .search .search_body .theme_toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  line-height: 1.5;
  letter-spacing: 0.04em;
  caret-color: transparent;
  width: 100%;
  height: 45px;
  display: flex;
  align-items: center;
  padding: 10px 15px;
  margin-left: auto;
  border-radius: 5px;
  background-color: #1f5196;
  cursor: pointer;
  position: relative;
  transition: color 0.5s, background 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body .theme_toggle {
    font-size: 1.6rem;
    width: 240px;
    height: 52px;
    padding: 10px 20px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_body .theme_toggle {
    font-size: 1.8rem;
    width: 280px;
    height: 60px;
  }
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body .theme_toggle:hover {
    color: #1f5196;
    background-color: #fff;
  }
  .teacher .search .search_body .theme_toggle:hover::before, .teacher .search .search_body .theme_toggle:hover::after {
    background-color: #1f5196;
  }
}
.teacher .search .search_body .theme_toggle::before, .teacher .search .search_body .theme_toggle::after {
  content: "";
  width: 20px;
  height: 2px;
  display: block;
  background-color: #fff;
  position: absolute;
  top: 50%;
  right: 15px;
  z-index: 1;
  transition: background 0.5s, transform 0.3s;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_body .theme_toggle::before, .teacher .search .search_body .theme_toggle::after {
    right: 20px;
  }
}
.teacher .search .search_body .theme_toggle::after {
  transform: rotate(90deg);
}
.teacher .search .search_body .theme_toggle.active::after {
  transform: rotate(360deg);
}
.teacher .search .search_theme {
  padding-top: 10px;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_theme {
    padding-top: 19px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher .search .search_theme {
    padding-top: 28px;
  }
}
.teacher .search .search_theme ul {
  align-items: center;
}
.teacher .search .search_theme li {
  margin: 0 10px 10px 0;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_theme li {
    margin: 0 10px 13px 0;
  }
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_theme li {
    margin: 0 10px 15px 0;
  }
}
.teacher .search .search_theme li a {
  font-size: 1.2rem;
  line-height: 1.4;
  letter-spacing: 0;
  display: block;
  padding: 4px 10px;
  border-radius: 12px;
  background-color: #fff;
  transition: color 0.5s, background 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher .search .search_theme li a:hover {
    color: #fff;
    background-color: #1f5196;
  }
}
.teacher .search .search_theme li.current a {
  color: #fff;
  background-color: #1f5196;
}
.teacher.archive .teacher_list {
  gap: 35px 0;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list {
    gap: 45px 20px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list {
    gap: 55px 30px;
  }
}
@media print, screen and (min-width: 1280px) {
  .teacher.archive .teacher_list {
    gap: 70px 45px;
  }
}
.teacher.archive .teacher_list__item {
  width: 100%;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item {
    width: calc((100% - 20px) / 2);
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list__item {
    width: calc((100% - 60px) / 3);
  }
}
@media print, screen and (min-width: 1280px) {
  .teacher.archive .teacher_list__item {
    width: calc((100% - 90px) / 3);
  }
}
.teacher.archive .teacher_list__item a {
  display: block;
  transition: opacity 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item a:hover {
    opacity: 0.8;
  }
  .teacher.archive .teacher_list__item a:hover figure img {
    transform: scale(1.05);
  }
  .teacher.archive .teacher_list__item a:hover .teacher_list__text::before {
    right: 15px;
  }
}
.teacher.archive .teacher_list__item figure {
  aspect-ratio: 370/300;
  overflow: hidden;
}
.teacher.archive .teacher_list__item figure img {
  width: 100%;
  max-width: initial;
  height: 100%;
  object-fit: cover;
  object-position: 50% 0%;
  transition: transform 0.5s;
}
.teacher.archive .teacher_list__item .teacher_list__text {
  padding: 18px 20px 45px 20px;
  background: rgb(239, 239, 240);
  background: linear-gradient(135deg, rgb(239, 239, 240) 0%, rgb(239, 239, 240) 55%, rgb(221, 229, 237) 82%, rgb(180, 205, 230) 100%);
  position: relative;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item .teacher_list__text {
    padding: 15px 20px 48px 20px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list__item .teacher_list__text {
    padding: 15px 22px 50px 22px;
  }
}
.teacher.archive .teacher_list__item .teacher_list__text::before {
  content: "";
  width: 40px;
  height: 10px;
  display: block;
  background: url(../img/english_teacher/arrow.svg) no-repeat center center;
  background-size: 100% auto;
  position: absolute;
  bottom: 20px;
  right: 20px;
  z-index: 1;
  transition: right 0.5s;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item .teacher_list__text::before {
    width: 44px;
    height: 11px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list__item .teacher_list__text::before {
    width: 48px;
    height: 12px;
  }
}
.teacher.archive .teacher_list__item .teacher_list__name_post {
  margin-bottom: 17px;
  position: relative;
}
.teacher.archive .teacher_list__item .teacher_list__name_post::after {
  content: "";
  width: 100%;
  height: 1px;
  display: block;
  background-color: rgba(130, 145, 167, 0.3);
}
.teacher.archive .teacher_list__item .teacher_list__name_post .name {
  font-size: 2.2rem;
  font-weight: bold;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item .teacher_list__name_post .name {
    font-size: 2.3rem;
    margin-bottom: 8px;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list__item .teacher_list__name_post .name {
    font-size: 2.5rem;
    margin-bottom: 6px;
  }
}
@media print, screen and (min-width: 1280px) {
  .teacher.archive .teacher_list__item .teacher_list__name_post .name {
    font-size: 2.7rem;
    margin-bottom: 5px;
  }
}
.teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap {
  margin-bottom: 20px;
}
.teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .post,
.teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .affiliation {
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .post,
  .teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .affiliation {
    font-size: 1.5rem;
  }
}
@media print, screen and (min-width: 1024px) {
  .teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .post,
  .teacher.archive .teacher_list__item .teacher_list__name_post .teacher_list__post_wrap .affiliation {
    font-size: 1.6rem;
  }
}
.teacher.archive .teacher_list__item .teacher_list__profile {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__department dt,
.teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__faculty dt {
  font-size: 1.5rem;
  font-weight: bold;
  color: #1f5196;
  line-height: 1.3;
  margin-bottom: 3px;
}
@media print, screen and (min-width: 768px) {
  .teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__department dt,
  .teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__faculty dt {
    font-size: 1.6rem;
  }
}
.teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__department dd,
.teacher.archive .teacher_list__item .teacher_list__profile .teacher_list__faculty dd {
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.5;
}
.teacher.single .page_inner_ll {
  margin-top: 50px;
}
.teacher.single .page_inner_ll .teacher_name {
  padding: 6px 0 19px 0;
}
.teacher.single .page_inner_ll .teacher_name h1 {
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1;
}
.teacher.single .page_inner_ll .teacher_name h1 strong {
  font-size: 3.7rem;
}
.teacher.single .page_inner_ll .teacher_name h1 span {
  display: block;
  font-size: 2.5rem;
  padding: 14px 0 0 0;
}

.background_date {
  width: 25%;
}