@charset "UTF-8";

/* -------------------------------------------------
  base
------------------------------------------------- */

:root {
  --text-base-color: #1b1b1b;
  --filter-gradient: linear-gradient(-108deg, rgba(115, 115, 115, 0) 0%, rgba(0, 0, 0, 1) 100%);
}

html {
  font-size: 62.5%;
}

body {
  position: relative;
  font-family: "Inter", "Public Sans", "Noto Sans JP", 游ゴシック体, 'Yu Gothic', YuGothic, 'ヒラギノ角ゴシック Pro', 'Hiragino Kaku Gothic Pro', メイリオ, Meiryo, Osaka, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
  color: var(--text-base-color);
  font-weight: 400;
  line-height: 1.75;
}

a {
  color: var(--text-base-color);
}

img {
  width: 100%;
  height: auto;
}

p, li {
  font-size: 1.8rem;
}


/* -------------------------------------------------
  common style
------------------------------------------------- */

.ff-inter {
  font-family: "Inter", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}

.ff-public {
  font-family: "Public Sans", sans-serif;
  font-style: normal;
}

.ff-dm-mono {
  font-family: "DM Mono", "Noto Sans JP", monospace;
  font-style: normal;
}

.fc-white {
  color: #fff !important;
}

.is-pc {
  display: block;
}

.is-sp {
  display: none;
}

.d-ib {
  display: inline-block;
}

.inner {
  width: min(100%, calc(1296px + 9vw));
  margin-inline: auto;
  padding: 0 4.5vw;
  box-sizing: border-box;
}

.filter {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: var(--filter-gradient);
}

.filter+* {
  position: relative;
}

.more-link {
  flex-shrink: 0;
  display: inline-block;
  position: relative;
  font-size: 2.2rem;
  font-weight: 700;
  color: #1b1b1b;
  padding-right: 26px;
  text-decoration: none;
}

.more-link::before {
  position: absolute;
  content: '';
  top: 10px;
  right: 0;
  width: 20px;
  height: 20px;
  background: url(../img/common/ico_arrow-red.svg) no-repeat center / contain;
}

.back-link {
  position: relative;
  display: inline-block;
  font-size: 2.2rem;
  font-weight: 700;
  margin-top: 90px;
  padding-left: 40px;
}

.back-link::before {
  position: absolute;
  content: '';
  top: 50%;
  left: 5px;
  transform: translateY(-50%) rotate(180deg);
  width: 25px;
  height: 25px;
  background: url(../img/common/ico_arrow-red.svg) no-repeat center / contain;
}

.url-copy {
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  min-width: 100px;
  height: 22px;
  padding-left: 16px;
  background: #000 url(../img/common/ico_copy.svg) no-repeat center left 7px / 11px auto;
}

.url-copy.is-copied {
  background-color: #28a745;
  color: #fff;
  border-color: #28a745;
}

.pdf-btn {
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  font-weight: 500;
  color: #fff;
  width: fit-content;
  height: 22px;
  padding-left: 22px;
  padding-right: 8px;
  background: #CE3030 url(../img/common/ico_copy.svg) no-repeat center left 7px / 11px auto;
}


/* -------------------------------------------------
  header
------------------------------------------------- */

header {
  display: flex;
  justify-content: center;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 72px;
  padding: 0 max(30px, 2.08vw);
  background-color: #001427;
  box-sizing: border-box;
  z-index: 100;
}

.header__logo {
  display: block;
  width: 114px;
}

.header__menu-container {
  position: relative;
  position: fixed;
  top: 26px;
  right: 48px;
  display: flex;
  align-items: center;
  z-index: 3;
}

.bogo-language-switcher li.current {
  display: none;
}

.header__menu-container .lang-btn,
.bogo-language-switcher li a {
  color: #fff;
  display: block;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
  color: #fff;
  width: 68px;
  height: 18px;
  margin-right: 20px;
  padding-left: 12px;
  border: 1px solid #fff;
  border-radius: 4px;
  background: url(../img/common/ico_globe.svg) no-repeat center left 7px / 10px auto;
}


/* -------------------------------------------------
  hamburger nav
------------------------------------------------- */

.nav-tgl-btn {
  display: inline-block;
  width: 24px;
  cursor: pointer;
}

.nav-tgl-btn span {
  display: block;
  height: 2px;
  margin: 4px 0;
  background: #fff;
  border-radius: 2px;
  transition: .3s;
}

.nav-open .nav-tgl-btn span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-open .nav-tgl-btn span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-tgl-btn span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.drawer-menu {
  z-index: 999;
  position: fixed;
  top: 72px;
  right: 0;
  width: 80%;
  max-width: 420px;
  height: calc(100vh - 72px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overflow-scrolling: touch;
  background: #001326;
  transform: translateX(100%);
  transition: transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.drawer-menu::-webkit-scrollbar {
  display: none;
}

.nav-open .drawer-menu {
  transform: translateX(0);
}

.drawer-menu>ul {
  padding-bottom: 80px;
  box-sizing: border-box;
}

.drawer-menu>ul>li {
  position: relative;
  width: 100%;
  border-bottom: 1px solid #eee;
  box-sizing: border-box;
}

.drawer-menu>ul>li a {
  display: block;
  position: relative;
  padding: 20px;
  color: #fff;
  text-decoration: none;
  font-size: 1.6rem;
  box-sizing: border-box;
}

.drawer-menu .sub-menu-toggle {
  position: absolute;
  right: 0;
  top: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 40px;
  color: #fff;
  cursor: pointer;
}

.drawer-menu .sub-menu-toggle::after {
  pointer-events: none;
  font-family: "Font Awesome 6 Free";
  content: "\f054";
  -webkit-font-smoothing: antialiased;
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
  font-weight: 900;
  font-style: normal;
  font-variant: normal;
  text-rendering: auto;
  line-height: 1;
  transition: transform .3s;
}

.drawer-menu .sub-menu-toggle.is-active::after {
  transform: translate(-50%, -50%) rotate(-90deg);
}

.drawer-menu .sub-menu {
  display: none;
  padding-left: 20px;
  padding-bottom: 25px;
}

.drawer-menu .sub-menu li a {
  padding: 10px 20px;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 0.5);
  opacity: 0;
  visibility: hidden;
  transition: 0.3s;
  z-index: 10;
}

.nav-open .overlay {
  opacity: 1;
  visibility: visible;
}

/* -------------------------------------------------
  head
------------------------------------------------- */

.head {
  position: relative;
  display: flex;
  align-items: center;
  min-height: calc(528px + 42px);
  padding: 42px 0;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.post-type-archive-activity .head {
  background-image: url(../img/top/bg_activity.jpg);
}

.term-activities .head {
  background-image: url(../img/sub/bg_activity-activities.jpg);
}

.term-interview .head {
  background-image: url(../img/sub/bg_activity-interview.jpg);
}

.post-type-archive-news .head {
  background-image: url(../img/sub/bg_news.jpg);
}

.post-type-archive-seminar .head,
.tax-seminar_tag .head {
  background-image: url(../img/sub/bg_seminar.jpg);
}

.term-report .head {
  background-image: url(../img/sub/bg_seminar-report.jpg);
}

.term-archive .head {
  background-image: url(../img/sub/bg_seminar-archive.jpg);
}

.term-knowledge .head {
  background-image: url(../img/sub/bg_seminar-knowledge.jpg);
}

.post-type-archive-people .head,
.tax-people_category .head {
  background-image: url(../img/sub/bg_people.jpg);
}

.page-originality .head,
.parent-originality .head {
  background-image: url(../img/sub/bg_originality.jpg);
}

.page-about .head {
  background-image: url(../img/top/bg_program.jpg);
}

.page-foundation .head,
.page-links .head {
  background-image: url(../img/top/bg_fund.jpg);
}

.page-collaboration .head {
  background-image: url(../img/sub/bg_collaboration.jpg);
}

.page-admissions .head,
.parent-admissions .head {
  background-image: url(../img/sub/bg_admissions.jpg);
}

.page-curriculum .head,
.parent-curriculum .head {
  background-image: url(../img/sub/bg_curriculum.jpg);
}

.page-access .head {
  background-image: url(../img/sub/bg_access.jpg);
}

.head__title {
  font-size: 6rem;
  font-weight: 600;
  margin-top: 40px;
}

.head__lead {
  font-size: 1.6rem;
  font-weight: 500;
  margin-top: 30px;
}


/* -------------------------------------------------
  sub header
------------------------------------------------- */

.sub-header {
  width: 100%;
  height: 56px;
  margin-bottom: 50px;
  background-color: #17171B;
}

.sub-header::-webkit-scrollbar {
  display: none;
}

.sub-header__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 26px;
  height: 100%;
  padding: 0 4.5vw;
}

.sub-header__list li a {
  position: relative;
  font-size: 1.4rem;
  font-weight: 500;
  color: #fff;
}

.sub-header__list li a::before {
  position: absolute;
  content: '';
  left: 0;
  bottom: -6px;
  width: 0;
  height: 3px;
  background-color: #CE120C;
  transition: .3s all;
}

.sub-header__list li a.current::before {
  width: 100%;
}

@media (any-hover: hover) {
  .sub-header__list li a:hover::before {
    width: 100%;
  }
}


/* -------------------------------------------------
  section
------------------------------------------------- */

.section-article {
  margin-top: 80px;
}

.section-article + .section-article {
  margin-top: 96px;
}

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 30px;
}

[lang=en] .section__head {
  margin-top: 50px;
}

.section__title-head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
  font-weight: 700;
}

.section__title-head h2 {
  font-size: 4.8rem;
  line-height: 1.5;
}

.section__title-head h3 {
  font-size: 3.2rem;
  font-weight: 500;
}

.section__title-head p {
  font-size: 2.4rem;
  margin-bottom: 14px;
}

.section__title-head .lead {
  font-size: 2rem;
}

.cat-tabs {
  margin-top: 30px;
  padding-bottom: 22px;
  border-bottom: 2px solid #000;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.cat-tabs::-webkit-scrollbar {
  display: none;
}

.cat-tabs__list {
  display: flex;
  gap: 20px;
}

.cat-tabs__list li a {
  font-size: 1.6rem;
  font-weight: 700;
}

.cat-tabs__list li a.current {
  position: relative;
}

.cat-tabs__list li a.current::before {
  position: absolute;
  content: '';
  left: 50%;
  bottom: -8px;
  transform: translateX(-50%);
  width: 100%;
  height: 2px;
  background-color: #CE120C;
}

/* originality
------------------------------------------------- */

.originality .section__wrap {
  gap: 58px;
  /* margin-top: 48px; */
}

.message__name {
  font-size: 3.6rem;
  font-weight: 700;
}

.message__pos {
  font-size: 1.6rem;
  margin: 24px 0 32px;
}


/* -------------------------------------------------
  article
------------------------------------------------- */

.article-cards {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 50px;
}

.article-cards .card__item {
  position: relative;
  aspect-ratio: 312 / 400;
  width: calc((100% - 18px * 3) / 4);
}

.article-cards .card__item a {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  padding: min(8%, 20px);
  box-sizing: border-box;
  text-decoration: none;
}

.article-cards .card__thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.article-cards .card__thumbnail img {
  object-fit: cover;
  height: 100%;
}

.article-cards .card__content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  box-sizing: border-box;
  background: url(../img/common/ico_arrow-red.svg) no-repeat bottom right / min(10%, 28px) auto;
}

.article-cards .card__title {
  font-size: clamp(1.6rem, 1.4vw, 2rem);
  font-weight: 600;
  line-height: 1.4;
  margin-top: 15px;
  margin-bottom: 14%;
}

.article-cards.content-list .card__title {
  font-size: clamp(2rem, 1.9vw, 2.8rem);
  font-weight: 600;
  margin-bottom: 20%;
  height: 2em;
}

[lang=en] .article-cards.content-list .card__title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 4em;
}

.article-cards .card__date {
  display: block;
  font-size: clamp(1rem, 1.12vw, 1.4rem);
  font-weight: 400;
  margin-top: auto;
  margin-bottom: 8px;
}

.article-cards .card__cats {
  position: absolute;
  top: 12px;
  left: 15px;
  display: flex;
  gap: 10px;
}

.article-cards .card__cat {
  font-size: 1.1rem;
  padding: 5px 10px;
  width: fit-content;
  background-color: #000;
  border-radius: 5px;
}

.article-cards .card__cat.label-jp,
.article__item .label.label-jp {
  background-color: #A42D2D;
}

.article__list {
  display: flex;
  flex-wrap: wrap;
  gap: 60px 52px;
  margin-top: 48px;
}

.article__list.vertical {
  gap: 60px 18px;
}

.article__list .article__item {
  width: calc((100% - 52px * 2) / 3);
}

.article__list.vertical .article__item {
  width: calc((100% - 18px * 3) / 4);
}

.article__item .tmb {
  position: relative;
}

.article__item .tmb img {
  aspect-ratio: 394 / 285;
  object-fit: cover;
}

.article__list.vertical .article__item .tmb img {
  aspect-ratio: 310 / 465;
}

.article__item .label-wrap {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 10px;
}

.article__item .label {
  font-size: 1.1rem;
  color: #fff;
  padding: 5px 8px;
  background-color: #000;
  border-radius: 5px;
}

.article__item .title {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.5;
  margin-top: 8px;
}

.article__item .title span {
  font-size: 1.6rem;
}

.article__item .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  column-gap: 12px;
  margin-top: 12px;
}

.article__item .date,
.article__item .name {
  display: block;
  font-size: 1.6rem;
  margin-top: 12px;
}

.article__item .cat {
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  font-weight: 500;
  color: #fff;
  width: fit-content;
  margin-top: 8px;
  padding: 0 8px;
  background-color: #102438;
}

.article__item .cat.students {
  background-color: #102438;
}

.article__item .cat.graduates {
  background-color: #1B3D51;
}

.article__item .cat.programmembers-ku {
  background-color: #4D646B;
}

.article__item .cat.programmembers {
  background-color: #4C899C;
}

.article__item .cat.supporters {
  background-color: #BE8535;
}

.article__item .wrap > * {
  margin-top: 0;
}

.article__item .excerpt {
  font-size: 1.6rem;
  margin-top: 16px;
}

.article__item .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.article__item .tags li {
  font-size: 1.6rem;
  color: #151515;
}

.article__inner {
  width: min(100%, calc(1176px + 9vw));
  margin-inline: auto;
  padding: 0 4.5vw;
  box-sizing: border-box;
}

.single article {
  margin-top: 180px;
}

.article__cat {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.article__head {
  padding: 16px 0;
  border-top: 5px solid #2D2D2D;
  border-bottom: 5px solid #2D2D2D;
}

.article__date {
  display: block;
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.article__title {
  font-size: 4rem;
  font-weight: 600;
  line-height: 1.45;
}

.article__wrap {
  display: flex;
  justify-content: space-between;
}

.article__wrap .url-copy {
  margin-top: 12px;
  margin-left: auto;
}

.article__tags {
  flex: 1;
  margin-left: 45px;
  margin-top: 16px;
}

.article__tags li {
  display: inline-block;
  font-size: 1.6rem;
  color: #151515;
  margin-right: 1em;
  margin-bottom: 4px;
}

.article__column-wrap {
  display: flex;
  margin-top: 50px;
}

.article__side {
  position: sticky;
  top: 110px;
  width: 420px;
  max-height: calc(100vh - 110px);
  padding-right: 7%;
  overflow-y: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.article__side .side-profile {
  display: flex;
  gap: 14px;
  margin-bottom: 46px;
}

.article__side .side-profile .image {
  width: 70px;
  border-radius: 50%;
}

.article__side .side-profile .image img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.article__side .side-profile .text {
  flex: 1;
}

.article__side .side-profile .name {
  font-size: 1.9rem;
  line-height: 1.4;
  margin-bottom: 4px;
}

.article__side .side-profile .dept {
  font-size: 1.6rem;
  line-height: 1.4;
}

.article__side .title {
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 18px;
}

.article__side .side-menu {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 30px;
  border-left: 0.5px solid #000;
}

.article__side .side-menu li a {
  position: relative;
  display: block;
  font-size: 1.4rem;
  line-height: 1.4;
  padding: 2px 14px;
}

.article__side .side-menu li a.current::before {
  position: absolute;
  content: '';
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 3px;
  height: 100%;
  background-color: #BB271A;
}

.article__side .side-menu ul {
  /* margin-left: 1.5em; */
  margin-top: 6px;
}

.article__side .side-menu ul li {
  margin: 3px 0;
}

.article__side .side-menu ul li a {
  padding-left: 2.3em;
}

.article__content {
  flex: 1;
  max-width: 1024px;
  margin: 70px auto 0;
}

.article__column-wrap .article__content {
  margin-top: 0;
}

.article__content > *,
body:not(.page) .wp-block-group__inner-container > * {
  margin-top: 50px;
}

.article__content h2,
.article__content.interview h4 {
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 80px 0 24px;
}

.article__content h3 {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.5;
  margin: 45px 0 15px;
}

.article__content p {
  font-size: 1.6rem;
  margin-top: 30px;
  overflow-wrap: anywhere;
}

.article__content p a {
  overflow-wrap: anywhere;
}

.article__content a {
  font-size: 1.6rem;
}

.article__content figure,
.article__content img {
  max-width: 800px;
  margin-inline: auto;
  margin-top: 0;
}

.article__content figcaption {
  font-size: 1.4rem;
}

.article__content .flex {
  display: flex;
}

.article__content > *:first-child {
  margin-top: 0 !important;
}

.wp-block-spacer {
  margin-top: 0;
}

.wp-block-group__inner-container {
  display: contents;
}

.single .article__content p a {
  color: #135E96;
  text-decoration: underline;
}

.single .article__content p a:hover {
  text-decoration: none;
}

.single .article__content .back-link {
  color: var(--text-base-color);
  text-decoration: none;
  margin-top: 80px;
}

/* people
------------------------------------------------- */

.people .article__item .tmb img {
  object-fit: contain;
  background-color: #F2F2EA;
}

/* related
------------------------------------------------- */

.related {
  margin-top: 120px;
}

.related__title {
  font-size: 3.2rem;
  font-weight: 600;
}


/* -------------------------------------------------
  pagination
------------------------------------------------- */

.pagination,
.pagination, .nav-links {
  display: flex;
  gap: 15px;
}

.pagination {
  margin-top: 80px;
}

.pagination .page-numbers {
  display: grid;
  place-items: center;
  font-family: "Inter", sans-serif;
  font-size: 1.6rem;
  color: #58585b;
  width: 38px;
  height: 38px;
  border: 1px solid #959599;
  text-decoration: none;
}

.pagination .page-numbers.current {
  font-weight: 700;
  color: var(--text-base-color);
}


/* -------------------------------------------------
  footer
------------------------------------------------- */

footer {
  width: 100%;
  margin-top: 64px;
  padding: 56px 0 32px;
  background: #001326;
  box-sizing: border-box;
}

.footer__logo {
  width: 280px;
  margin-bottom: 24px;
}

footer li {
  font-size: 1.4rem;
  color: #fff;
}

footer a {
  display: block;
  font-weight: 700;
  color: #fff;
}

footer p,
.footer__link {
  font-size: 1.4rem;
  font-weight: 500;
  color: #fff;
}

.footer__wrap {
  display: flex;
}

.footer-left {
  flex-shrink: 0;
  margin-right: 70px;
}

.footer-right {
  margin-top: 20px;
}

.footer-right__wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 30px 60px;
  width: max(240px, 62%);
}

.footer-right__wrap .footer__nav-list:nth-of-type(1) {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  width: 100%;
}

.footer__nav-list .no-link > a {
  pointer-events: none;
}

.footer-links {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  margin-top: 18px;
}

.footer-links > ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links > ul li {
  font-weight: 500;
}

.footer-links .sub-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 8px;
  padding-left: 0.8em;
}

.footer-links .sub-menu li a {
  position: relative;
  font-size: 1.2rem;
  font-weight: 500;
  padding-left: 12px;
}

.footer-links .sub-menu li a::before {
  position: absolute;
  content: '';
  width: 6px;
  height: 10px;
  top: 5px;
  left: 0;
  background-color: #fff;
  clip-path: polygon(100% 50%, 0 0, 0 100%);
}

.footer-links .share-list {
  display: flex;
  gap: 12px;
  margin-top: 10px;
}

.share-list li {
  width: 30px;
}

.share-list li a img {
  width: 100%;
}

.copyright {
  font-size: 1.4rem;
  text-align: center;
  color: #fff;
  width: 94%;
  margin: 72px auto 0;
  padding-top: 32px;
  border-top: 1px solid #fff;
}


/* -------------------------------------------------
  page top
------------------------------------------------- */

#page-top {
  position: sticky;
  bottom: 56px;
  display: block;
  font-size: 1.4rem;
  text-align: center;
  margin-left: auto;
  margin-right: 56px;
  padding-bottom: 34px;
  background: url(../img/common/ico_top.png) no-repeat center bottom / 66px auto;
  z-index: 2;
}

#page-top:hover {
  cursor: pointer;
}


/* -------------------------------------------------
  404
------------------------------------------------- */

.error404 .head {
  min-height: auto;
  padding: 70px 0;
  background-color: #001427;
}

.error404 .head__title span {
  font-size: 0.7em;
  padding-left: 0.8em;
}

.error404 .section-article p:nth-of-type(1) {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}



/* -------------------------------------------------
  responsive
------------------------------------------------- */

@media (width < 1100px) {
  .article__list.vertical .article__item {
    width: calc((100% - 18px * 2) / 3);
  }
}


@media (width < 835px) {
  .inner,
  .article__inner {
    padding: 0 5.5vw;
  }

  .more-link {
    font-size: 1.8rem;
  }

  .more-link::before {
    top: 6px;
  }

  .article-cards {
    margin-top: 40px;
  }

  .article-cards .card__item {
    width: calc(50% - 9px);
  }

  .section-article {
    margin-top: 70px;
  }

  .section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .section__title-head {
    gap: 10px;
  }

  .section__title-head h2 {
    font-size: 2.4rem;
  }

  .section__title-head h3 {
    font-size: 2rem;
  }

  .section__title-head p {
    font-size: 1.6rem;
    margin-bottom: 5px;
  }

  .section__title-head .lead {
    font-size: 1.4rem;
  }

  .article__list.vertical .article__item {
    width: calc((100% - 18px) / 2);
  }
}


@media (width < 768px) {
  /* common style
  ------------------------------------------------- */

  p, li {
    font-size: 1.5rem;
  }

  .is-pc {
    display: none;
  }

  .is-sp {
    display: block;
  }

  .back-link {
    font-size: 1.8rem;
    margin-top: 70px;
  }
  
  /* header
  ------------------------------------------------- */

  header {
    height: 50px;
    justify-content: flex-start;
    padding: 0 4.5vw;
  }

  .header__logo {
    width: 75px;
  }

  .header__menu {
    font-size: 1rem;
    margin-left: 10px;
  }

  .header__menu:first-child {
    padding-left: 20px;
  }

  .header__menu:first-child::before {
    top: -2px;
    width: 20px;
    height: 20px;
  }

  .header__menu:nth-child(2) {
    padding-left: 23px;
  }

  .header__menu:nth-child(2)::before {
    top: -1px;
    width: 18px;
    height: 18px;
  }

  .header__menu-container {
    top: 14px;
    right: 4.5vw;
  }
  
  /* hamburger nav
  ------------------------------------------------- */

  .nav__bg {
    font-size: 1.1rem;
    padding-right: 20px;
  }

  .nav__bg::after {
    width: 15px;
    height: 15px;
  }

  .drawer-open {
    margin-left: 10px;
  }

  .drawer-menu {
    top: 50px;
    width: 68%;
    height: calc(100vh - 50px);
  }

  .drawer-menu > ul > li a {
    font-size: 1.4rem;
    padding: 12px 20px;
  }

  .drawer-menu .sub-menu-toggle {
    top: 4px;
  }

  .drawer-menu .sub-menu {
    padding-left: 15px;
    padding-bottom: 16px;
  }

  .drawer-menu .sub-menu li a {
    padding-block: 6px;
  }

  /* head
  ------------------------------------------------- */

  .head__title {
    font-size: 3.4rem;
  }

  .head__lead {
    font-size: 1.4rem;
  }

  /* sub header
  ------------------------------------------------- */

  .sub-header {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sub-header__list {
    justify-content: flex-start;
    width: max-content;
  }

  /* section
  ------------------------------------------------- */

  .section__title-head h2 {
    font-size: 2.8rem;
  }
  
  .section__title-head p {
    font-size: 1.6rem;
    margin-bottom: 8px;
  }
  
  .cat-tabs {
    padding-bottom: 15px;
  }

  .cat-tabs__list {
    width: max-content;
  }

  .cat-tabs__list li a {
    font-size: 1.4rem;
  }

  .originality .section__wrap {
    flex-direction: column-reverse;
    gap: 30px;
    margin-top: 30px;
  }

  .originality .article__list {
    margin-top: 0;
  }

  .message__name {
    font-size: 2rem;
  }

  .message__pos {
    font-size: 1.4rem;
    margin-top: 16px;
  }

  /* article
  ------------------------------------------------- */

  .article__list {
    margin-top: 30px;
  }

  .article__list:not(.vertical) {
    flex-direction: column;
    gap: 30px;
  }

  .article__list:not(.vertical) .article__item {
    width: 100%;
  }

  .article__item .title {
    font-size: 1.7rem;
    margin-top: 8px;
  }

  .article__item .cat {
    font-size: 1.1rem;
  }

  .article__item .tags {
    margin-top: 8px;
  }

  .article__item .tags li {
    font-size: 1.2rem;
  }

  .article__item .date,
  .article__item .name {
    font-size: 1.3rem;
  }

  .article__item .excerpt {
    font-size: 1.4rem;
  }

  .single article {
    margin-top: 80px;
  }

  .article__cat {
    font-size: 1.8rem;
    margin-bottom: 8px;
  }

  .article__head {
    border-top-width: 3px;
    border-bottom-width: 3px;
  }

  .article__date {
    font-size: 1.2rem;
    margin-bottom: 15px;
  }

  .article__title {
    font-size: 2.2rem;
  }

  .article__tags {
    margin-top: 12px;
    margin-left: 0;
  }
  
  .article__tags li {
    font-size: 1.2rem;
  }

  .article__column-wrap {
    flex-direction: column;
  }

  .article__side {
    position: static;
    width: 100%;
    max-height: unset;
    padding: 0;
  }

  .article__side .side-profile {
    margin-bottom: 30px;
  }

  .article__side .side-profile .image {
    width: 100px;
  }

  .article__side .side-profile .name {
    font-size: 1.7rem;
  }

  .article__side .side-profile .dept {
    font-size: 1.4rem;
  }

  .article__side .side-menu li a.current::before {
    display: none;
  }

  .article__content,
  .article__column-wrap .article__content {
    margin-top: 50px;
  }

  .article__content > *,
  .wp-block-group__inner-container > * {
    margin-top: 30px;
  }

  .article__content h2,
  .article__content.interview h4 {
    font-size: 2rem;
    margin: 40px 0 16px;
  }

  .article__content h3 {
    font-size: 1.8rem;
    margin-top: 30px;
  }

  .article__content p {
    font-size: 1.5rem;
    margin-top: 20px;
  }

  .article__content a {
    font-size: 1.5rem;
  }

  .article__content .flex {
    flex-direction: column;
    gap: 10px;
  }

  .article__content figure,
  .article__content img {
    width: 100% !important;
  }

  .people .article__list {
    flex-direction: row;
    gap: 30px 4%;
  }

  .people .article__list .article__item {
    width: 48%;
  }

  .people .article__item .title {
    font-size: 1.5rem;
  }

  .people .article__item .title span {
    font-size: 1.3rem;
  }

  .related {
    margin-top: 70px;
  }

  .related__title {
    font-size: 2rem;
  }

  .single .article__content .back-link {
    margin-top: 50px;
  }

  /* pagination
  ------------------------------------------------- */

  .pagination,
  .pagination, .nav-links {
    gap: 5px;
  }
  
  .pagination {
    margin-top: 50px;
  }

  .pagination .page-numbers {
    font-size: 1.2rem;
    width: 28px;
    height: 28px;
  }
  
  /* footer
  ------------------------------------------------- */

  footer {
    flex-direction: column;
    margin-top: 30px;
    padding-bottom: 15px;
  }

  .footer-left {
    margin-right: 0;
  }
  
  .footer__wrap {
    flex-direction: column;
  }

  .footer__wrap {
    flex-direction: column;
    gap: 30px;
  }

  .footer__logo {
    width: 200px;
  }

  .footer-links {
    gap: 35px;
    margin-top: 35px;
  }
  
  .copyright {
    font-size: 1rem;
    padding-top: 15px;
  }

  /* page top
  ------------------------------------------------- */

  #page-top {
    font-size: 1rem;
    font-weight: 600;
    bottom: 20px;
    margin-right: 18px;
    padding-bottom: 18px;
    background-size: 40px auto;
  }
}


@media (width < 641px) {
  .article-cards {
    margin-top: 30px;
  }

  .section-article,
  .section-article + .section-article {
    margin-top: 50px;
  }

  .section__head {
    gap: 5px;
  }

  .article__list.vertical {
    gap: 30px 4%;
  }

  .article__list.vertical .article__item {
    width: calc(96% / 2);
  }

  .article__list.vertical .article__item .title {
    font-size: 1.4rem;
  }
}


@media (width < 431px) {
  .article-cards .card__item {
    width: 100%;
    aspect-ratio: 315 / 420;
  }

  .article-cards {
    padding: 0 30px;
  }
}