@charset "UTF-8";
#about {
  color: #3b3b3b;
}
/* --------------------------------
  about
--------------------------------*/
#about .ud-mv__inr {
  position: relative;
}
#about .ud-mv__inr .sec-ttl{
  margin-bottom: 10px;
}
#about .ud-mv__txt .sec-subttl {
  position: relative;
  margin-left: 10em;
  width: fit-content;
}
#about .ud-mv__txt .sec-subttl::before {
  content: "";
  position: absolute;
  top: 50%;
  right: calc(100% + 2em);
  width: 100vw;
  height: 3.5px;
  background-image: linear-gradient(90deg, #010341, #0044be);
  transform: translateY(-50%);
}
#about .ud-mv__img {
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  border-radius: 0 0 0 50px;
  overflow: hidden;
  z-index: -1;
}
#about .ud-mv__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
}
@media screen and (max-width: 1500px) {
  #about .ud-mv__img {
    margin-right: -5%;
  }
}

@media screen and (max-width: 1300px) {
  #about .ud-mv__txt .sec-subttl {
    margin-left: 7em;
  }
  #about .ud-mv__img {
    width: 55%;
  }
}
@media screen and (max-width: 960px) {
  #about .ud-mv__img {
    width: 45%;
    border-radius: 0 0 0 30px;
  }
  #about .ud-mv__txt .sec-subttl {
    margin-left: 3em;
  }
}
@media screen and (max-width: 768px) {
  #about .ud-mv__txt {
    padding-top: 24px;
  }
  #about .ud-mv__img {
    border-radius: 0 0 0 20px;
  }
}
@media screen and (max-width: 600px) {
  #about .ud-mv {
    margin-bottom: 32px;
  }
  #about .ud-mv__inr {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 0;
  }
  #about .ud-mv__txt {
    padding-top: 0;
  }
  #about .ud-mv__txt .sec-subttl {
    margin-left: 1em;
  }
  #about .ud-mv__txt .sec-subttl::before {
    right: calc(100% + 1em);
    height: 2px;
  }
  #about .ud-mv__img {
    position: static;
    height: auto;
    width: 100%;
  }
  #about .ud-mv__img img {
    width: 100%;
    height: auto;
  }
}

/* --------------------------------
  about-tabs
--------------------------------*/
#about .about-tabs-section {
  padding-top: 64px;
}
#about .about-tabs__nav {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  gap: 8px;
}
#about .about-tabs__nav::after {
  content: "";
  display: block;
  width: 100vw;
  height: 1px;
  background: var(--c-navy-01);
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
#about .about-tabs__btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 24px;
  border: none;
  background: transparent;
  font-family: var(--font-noto);
  font-size: var(--fs-18);
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}
#about .about-tabs__btn::after {
  content: "";
  display: block;
  width: 21px;
  height: 21px;
  background-image: url(../../img/common/icon-tab-arrow.svg);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
#about .about-tabs__btn.is-active {
  background: var(--c-gray-02);
  color: var(--c-black-01);
  border: 1px solid var(--c-gray-03);
}

/* 1. 全てのパネルを基本非表示にする */
.about-tabs__panel {
  display: none;
}

/* 2. 【重要】JSが動く前でも、最初のパネル（代表挨拶）だけは表示しておく */
/* これにより「真っ白」な瞬間がなくなります */
.about-tabs__panel:first-of-type {
  display: block;
}

/* 3. JSが動いて「is-active」が付いたら、その指示を最優先する */
/* これにより、#partner などのハッシュがある時はパッと切り替わります */
.about-tabs__panel.is-active {
  display: block !important;
}

/* 4. JSで別のタブがアクティブになったら、最初のパネルを非表示にする */
.about-tabs__panel.is-active ~ .about-tabs__panel:first-of-type,
.about-tabs__panel:not(.is-active):not(:first-of-type) {
  display: none;
}

/* 5. 最初のパネル以外に is-active が付いている場合は、
   最初のパネルを強制的に消す（詳細度でJSの指示を優先させるため） */
.about-tabs__panels:has(.about-tabs__panel:not(:first-of-type).is-active)
  .about-tabs__panel:first-of-type {
  display: none;
}

@media screen and (max-width: 960px) {
  #about .about-tabs-section {
    padding-top: 40px;
  }
  #about .about-tabs__btn {
    font-size: var(--fs-16);
    padding: 4px 12px;
  }
}
@media screen and (max-width: 768px) {
  #about .about-tabs__nav {
    gap: 0;
  }
  #about .about-tabs__btn {
    font-size: var(--fs-14);
  }
  #about .about-tabs__btn::after {
    width: 16px;
    height: 16px;
  }
}
@media screen and (max-width: 600px) {
  #about .about-tabs-section {
    padding-top: 0;
  }
  #about .about-tabs__nav {
    gap: 4px;
    margin-bottom: 32px;
  }
  #about .about-tabs__btn {
    width: calc(50% - 2px);
    justify-content: center;
    gap: 4px;
    padding: 4px;
    letter-spacing: 0.05em;
    font-size: 13px;
  }
}
/* --------------------------------
  content-ttl / content-lead (共通)
--------------------------------*/
#about .content-ttl {
  font-size: var(--fs-21);
  letter-spacing: 0.2em;
  margin-bottom: 32px;
}
#about .content-lead {
  font-family: var(--font-shippori);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-36);
  line-height: 1.6;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

@media screen and (max-width: 960px) {
  #about .content-ttl {
    margin-bottom: 24px;
  }
  #about .content-lead {
    font-size: var(--fs-30);
    margin-bottom: 24px;
  }
}
/* --------------------------------
  content-block (2カラムレイアウト)
--------------------------------*/
#message .content-block {
  gap: 75px;
  align-items: flex-end;
}
#message .content-block__body {
  flex: 1;
  min-width: 0;
}
#about #message .content-lead {
  font-size: var(--fs-33);
  line-height: 1.7;
}
#message .content-block__txt p {
  line-height: 2;
  letter-spacing: 0.075em;
}
#message .content-block__sign {
  text-align: right;
  letter-spacing: 0.17em;
  color: var(--c-black-04);
}
#message .content-block__sign span {
  font-family: var(--font-shippori);
  font-size: var(--fs-24);
  font-weight: var(--fw-semibold);
  color: var(--c-black-04);
  letter-spacing: 0.1em;
}
#message .content-block__img {
  flex-shrink: 0;
  overflow: hidden;
  max-width: 332px;
  height: auto;
  object-fit: contain;
}
#message .content-block__img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@media screen and (max-width: 1200px) {
  #message .content-block {
    gap: 40px;
  }
}
@media screen and (max-width: 960px) {
  #message .content-block {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }

  #message .content-block__img {
    width: 100%;
    max-width: 600px;

    margin: 0 auto;
    height: fit-content;
    border-radius: 30px 0 0 0;
  }
  #message .content-block__img img,
  #message .content-block__img picture {
    aspect-ratio: 600 / 468;
  }
}
@media screen and (max-width: 600px) {
  #message .content-block__img {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    border-radius: 30px 0 0 0;
  }
}

/* --------------------------------
  vision (経営理念)
--------------------------------*/
#vision .vision {
  padding-top: 16px;
}
#vision .vision__item {
  display: flex;
  flex-wrap: wrap;
  gap: 64px;
  align-items: flex-start;
  padding: 40px 0;
}
#vision .vision__ttl {
  flex-shrink: 0;
  width: 160px;
  font-family: var(--font-shippori);
  font-weight: var(--fw-semibold);
  font-size: 35px;
  letter-spacing: 0.1em;
  text-align-last: justify;
  margin-left: 40px;
}
#vision .vision__content {
  flex: 1;
  min-width: 0;
  line-height: 2;
  letter-spacing: 0.075em;
  margin-right: 40px;
}
#vision .vision__content.large {
  font-size: var(--fs-24);
}
#vision .vision__list {
  flex: 1;
  min-width: 0;
  padding-left: 1.5em;
  line-height: 2;
  letter-spacing: 0.075em;
  list-style: normal;
  margin-right: 40px;
}

#vision .vision__list li:last-child {
  margin-bottom: 0;
}
#vision .vision__line {
  border: none;
  border-top: 1px solid var(--c-navy-01);
}
@media screen and (max-width: 960px) {
  #vision .vision__item {
    gap: 40px;
  }
  #vision .vision__ttl {
    font-size: var(--fs-24);
    font-weight: var(--fw-semibold);
    width: 140px;
    margin-left: 12px;
  }
  #vision .vision__content,
  #vision .vision__list {
    margin-right: 12px;
  }
  #vision .vision__content.large {
    font-size: var(--fs-20);
  }
}
@media screen and (max-width: 768px) {
  #vision .vision__item {
    flex-direction: column;
    gap: 16px;
    padding: 24px 0;
  }
  #vision .vision__ttl {
    width: auto;
  }
}
@media screen and (max-width: 600px) {
  #vision .vision__ttl {
    margin-left: 0;
  }
  #vision .vision__content,
  #vision .vision__list {
    margin-right: 0;
  }
}
/* --------------------------------
  outline-section (会社概要)
--------------------------------*/
#outline .outline-section__hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
#outline .outline-section__pdf {
  display: inline-flex;
  gap: 8px;
  background-image: linear-gradient(#ffffff, #f8f9ff 50%, #b6aeb980);
  padding: 12px 20px;
  border: 1px solid #d0d0cf;
}
#outline .outline-section__pdf span {
  font-size: var(--fs-15);
  letter-spacing: 0.1em;
  font-weight: var(--fw-semibold);
}
#outline .outline-section__pdf-icon {
  width: 44px;
  height: auto;
  aspect-ratio: 44 / 46;
}
#outline .outline-section__list {
  max-width: 900px;
  margin: 0 auto;
}
#outline .outline-section__row {
  display: flex;
  flex-wrap: wrap;
  gap: 64px;
  padding: 32px 0;
  border-bottom: 1px solid var(--c-navy-01);
}
#outline .outline-section__row:first-of-type {
  padding-top: 0;
}
#outline .outline-section__row:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}
#outline .outline-section__row dt {
  flex-shrink: 0;
  font-family: var(--font-shippori);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-19);
  width: 110px;
  letter-spacing: 0.1em;
  text-align-last: justify;
  margin-left: 40px;
}
#outline .outline-section__row dd {
  flex: 1;
  min-width: 0;
  line-height: 2;
}
#outline .outline-section__row dd ul li {
  margin-bottom: 0.2em;
}
@media screen and (max-width: 960px) {
  #outline .outline-section__pdf {
    padding: 8px 12px;
  }
  #outline .outline-section__pdf span {
    font-size: var(--fs-12);
  }
  #outline .outline-section__pdf-icon {
    width: 24px;
  }
  #outline .outline-section__row {
    gap: 40px;
  }
  #outline .outline-section__row dt {
    margin-left: 12px;
  }
  #outline .outline-section__row dd {
    margin-right: 12px;
  }
}
@media screen and (max-width: 768px) {
  #outline .outline-section__header {
    flex-direction: column;
    align-items: flex-start;
  }
  #outline .outline-section__row {
    flex-direction: column;
    gap: 8px;
    padding: 24px 0;
  }
  #outline .outline-section__row dt {
    text-align-last: left;
    margin-left: 0;
  }
  #outline .outline-section__row dt {
    width: auto;
    margin-right: 0;
  }
}

/* --------------------------------
  partner (株主・グループ会社)
--------------------------------*/
#partner {
  color: #3b3b3b;
}
#partner .partner__section-ttl {
  font-family: var(--font-shippori);
  font-size: var(--fs-35);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-align: center;
  line-height: 1;
  padding: 32px 24px;
  margin: 0;
  background: #f4f4f4;
  width: 100vw;
  margin-left: calc(50% - 50vw);
}

#partner .partner__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-top: 24px;
  gap: 40px;
}

#partner .partner__logo {
  height: clamp(64px, 64px + 34 * (100vw - 375px) / 905, 98px);
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
}
#partner .partner__logo img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
#partner .partner__content {
  padding-left: 30px;
  border-left: 0.5px solid #3b3b3b;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

#partner .partner__name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-18);
  letter-spacing: 0.195em;
  line-height: 1.8;
}

#partner .partner__address {
  font-size: var(--fs-15);
  letter-spacing: 0.075em;
  line-height: 1.6;
}

#partner .partner__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  opacity: 0.9;
}
#partner .partner__link-icn {
  width: 18px;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}
#partner .partner__link span {
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--c-black-04);
}
@media screen and (max-width: 1300px) {
  #partner .partner__grid {
    gap: 20px;
  }
  #partner .partner__content {
    padding-left: 20px;
  }
}
@media screen and (max-width: 1200px) {
  #partner .partner__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 20px;
  }
  #partner .partner__logo {
    margin-left: auto;
    margin-right: auto;
    width: fit-content;
  }
  #partner .partner__content {
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    padding-left: 0;
    border-left: none;
  }
  #partner .partner__card:first-child,
  #partner .partner__card:nth-child(2) {
    border-bottom: 0.5px solid #3b3b3b;
    padding-bottom: 20px;
  }
}

@media screen and (max-width: 600px) {
  #partner .partner__grid {
    grid-template-columns: 1fr;
  }
  #partner .partner__card {
    border-bottom: 0.5px solid #3b3b3b;
    padding-bottom: 20px;
  }
  #partner .partner__card:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  #partner .partner__logo {
    margin-bottom: 12px;
  }
  #partner .partner__content {
    gap: 12px;
  }
}

/* --------------------------------
  partner-group 
--------------------------------*/
#partner .partner-lead__row {
  display: flex;
  gap: 40px;
  align-items: stretch;
}

#partner .partner-lead__left {
  display: grid;
  gap: 12px;
  align-content: start;
}

#partner .partner-lead__name {
  margin: 0;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.195em;
  font-size: var(--fs-18);
}

#partner .partner-lead__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

#partner .partner-lead__link:hover span {
  text-decoration: underline;
}

#partner .partner-lead__link-icn {
  width: 18px;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
  display: block;
}

#partner .partner-lead__link span {
  font-size: var(--fs-13);
  line-height: 1.6;
  color: var(--c-black-04);
  font-weight: var(--fw-bold);
}

#partner .partner-lead__right {
  flex: 1;
  border-left: 0.5px solid #3b3b3b;
  padding-left: 40px;
  display: grid;
  gap: 10px;
}

#partner .partner-lead__biz {
  font-size: var(--fs-15);
  letter-spacing: 0.165em;
}
#partner .partner-lead__addr,
#partner .partner-lead__tel {
  margin: 0;
  letter-spacing: 0.075em;
  font-size: var(--fs-15);
  line-height: 1.4;
}

#partner .partner-group__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

#partner .partner-group__ttl {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  letter-spacing: 0.18em;
  color: var(--c-black-04);
  position: relative;
}

#partner .partner-group__ttl::before,
#partner .partner-group__ttl::after {
  content: "";
  height: 0.5px;
  background: #3b3b3b;
  flex: 1;
}

#partner .partner-group__ttl-icn {
  height: 30px;
  width: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
}

#partner .partner-group__ttl-txt {
  font-size: var(--fs-18);
  letter-spacing: 0.5em;
  line-height: 1;
  white-space: nowrap;
}

#partner .partner-group__card {
  background: #f4f4f4;
  overflow: hidden;
  padding: 16px 20px;
}

#partner .partner-group__card-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 0.5px solid #3b3b3b;
}

#partner .partner-group__site {
  width: 21px;
  height: 21px;
  flex-shrink: 0;
}
#partner .partner-group__site img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  aspect-ratio: 1;
}

#partner .partner-group__body {
  padding-top: 10px;
  display: grid;
  gap: 10px;
}

@media screen and (max-width: 960px) {
  #partner .partner-lead__row {
    gap: 20px;
  }
  #partner .partner-lead__right {
    padding-left: 20px;
  }
  #partner .partner-group__grid {
    grid-template-columns: 1fr;
  }
  #partner .partner-group__ttl {
    margin: 40px 0 16px;
    gap: 12px;
  }
  #partner .partner-group__ttl-icn {
    width: 28px;
  }
  #partner .partner__section-ttl {
    font-size: var(--fs-28);
    padding: 24px 16px;
  }
}
@media screen and (max-width: 768px) {
  #partner .partner-lead {
    padding-top: 40px;
    padding-bottom: 0;
  }
}
@media screen and (max-width: 600px) {
  #partner .partner-lead {
    padding-top: 32px;
  }
  #partner .partner__section-ttl {
    padding: 16px 12px;
  }
  #partner .partner-lead__row {
    flex-direction: column;
    gap: 16px;
  }
  #partner .partner-lead__left {
    display: flex;
  }
  #partner .partner-lead__right {
    padding-left: 0;
    padding-top: 16px;
    border-left: none;
    border-top: 0.5px solid #3b3b3b;
    gap: 8px;
  }
  #partner .partner-group__card {
    padding: 12px 16px;
  }
  #partner .partner-group__body {
    gap: 8px;
  }
  #partner .partner-lead__biz {
    line-height: 1.5;
    letter-spacing: 0.1em;
  }
}

/* --------------------------------
  history
--------------------------------*/
#history {
  color: var(--c-blue-04);
}
#history .ud-sec-ttl {
  position: relative;
}

#history .ud-sec-ttl::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -50vw;
  width: 80vw;
  height: 1.4px;
  background-color: var(--c-blue-04);
  border-radius: 50%;
}

/* history-table（1行・横スクロール／テキスト折り返しなし） */
#history .history-table {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}
#history .history-row {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 64px;
  --history-col-gap: 64px;
  position: relative;
  min-width: min-content;
}
#history .history-item {
  position: relative;
  flex: 0 0 auto;
  max-width: 180px;
}

/* 年号 */
#history .history-year {
  font-family: var(--font-josefin);
  font-size: 48px;
  font-weight: var(--fw-light);
  font-style: italic;
  background-image: linear-gradient(140deg, #001479, #01002e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  line-height: 1;
  letter-spacing: 0.14em;
}
#history .history-year__unit {
  font-size: var(--fs-20);
  color: #010342;
  font-weight: var(--fw-regular);
}

/* 和暦 */
#history .history-era {
  color: var(--c-blue-05);
  white-space: nowrap;
}

/* ドット＋ライン */
#history .history-dot {
  position: relative;
  width: 100%;
  height: 24px;
  margin: 18px 0 16px;
}

#history .history-dot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background-color: var(--c-blue-04);
  border-radius: 50%;
  z-index: 2;
}

#history .history-row .history-dot::before {
  content: "";
  position: absolute;
  left: 0;
  width: calc(100% + 64px);
  height: 11px;
  background-color: var(--c-blue-04);
  z-index: 0;
  top: 50%;
  transform: translateY(-50%);
}
#history .history-desc {
  color: var(--c-blue-05);
}

#history .history-img {
  margin-top: 16px;
}
#history .history-img img {
  display: block;
  width: 100%;
  aspect-ratio: 176 / 120;
  height: auto;
  object-fit: cover;
}
#history .scrollbar__wrapper {
  display: block;
  position: sticky;
  left: 0;
  bottom: 0;
  height: 12px;
  width: 100%;
  pointer-events: none;
}
#history .scrollbar__txt {
  position: absolute;
  right: calc(108px + 16px);
  top: 50%;
  transform: translateY(-50%);
  width: 45px;
  height: 10px;
}
#history .scrollbar__txt img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#history .scrollbar {
  --bar-h: 0.5px;
  --bar-w: 108px;
  position: absolute;
  right: 10px;
  top: 50%;
  width: var(--bar-w);
  height: var(--bar-h);
  overflow: visible;
  transform: translateY(50%);
}
#history .scrollbar::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--c-blue-01);
  border-radius: 999px;
  transform: scaleX(0);
  transform-origin: left;
  animation: history-scrollbar-line 2.4s ease-in-out infinite;
}
/* 線の先端の矢印 */
#history .scrollbar::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(0, 50%);
  width: 0;
  height: 0;
  border-left: 6px solid var(--c-blue-01);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  pointer-events: none;
  opacity: 0;
  animation: history-scrollbar-arrow 2.4s ease-in-out infinite;
}
@media screen and (max-width: 1500px) {
  #history .history-year {
    font-size: var(--fs-40);
  }
}

@keyframes history-scrollbar-line {
  0% {
    transform: scaleX(0);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  66% {
    transform: scaleX(1);
    opacity: 1;
  }
  100% {
    transform: scaleX(1);
    opacity: 0;
  }
}

@keyframes history-scrollbar-arrow {
  0% {
    transform: translate(0, -50%);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  66% {
    transform: translate(var(--bar-w), -50%);
    opacity: 1;
  }
  100% {
    transform: translate(var(--bar-w), -50%);
    opacity: 0;
  }
}
@media screen and (max-width: 1300px) {
  #history .history-row {
    gap: 40px;
  }
  #history .history-row .history-dot::before {
    width: calc(100% + 40px);
  }
  #history .history-year {
    font-size: var(--fs-36);
  }
  #history .history-year__unit {
    font-size: var(--fs-18);
  }
  #history .history-era {
    font-size: var(--fs-16);
  }
  #history .history-desc {
    font-size: var(--fs-14);
  }
}

@media screen and (max-width: 960px) {
  #history .history-table {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }
  #history .history-row {
    min-width: min-content;
    gap: 24px;
  }
  #history .history-item {
    flex: 0 0 auto;
  }
  #history .history-dot {
    height: 16px;
    margin: 8px 0 16px;
  }
  #history .history-row .history-item .history-dot::before {
    width: calc(100% + 24px);
    left: 0;
    height: 6px;
  }
  #history .history-dot::after {
    width: 16px;
    height: 16px;
    top: 50%;
    transform: translateY(-50%);
  }
  #history .history-year {
    font-size: var(--fs-30);
  }
  #history .history-era {
    font-size: var(--fs-14);
  }
}
@media screen and (max-width: 600px) {
  #history .history-desc {
    letter-spacing: 0.075em;
  }
}

/* spacing utilities */
#history .mb40 {
  margin-bottom: clamp(28px, 28px + 12 * (100vw - 375px) / 905, 40px);
}
#history.pt100 {
  padding-top: clamp(40px, 40px + 60 * (100vw - 375px) / 905, 100px);
}
#history .pb24 {
  padding-bottom: clamp(20px, 20px + 4 * (100vw - 375px) / 905, 24px);
}
#history.pb100 {
  padding-bottom: clamp(40px, 40px + 60 * (100vw - 375px) / 905, 100px);
}

/* --- from css/common/common-under.css --- */
#history .ud-sec-ttl {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  gap: 40px;
}

#history .ud-sec-ttl-main {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5em;
}

/* グラデは transform する .cube-txt-anime__inner に（親 h2 だと cube アニメと相性が悪い） */
#history .ud-sec-ttl-main .cube-txt-anime__inner {
  font-size: 60px;
  font-weight: 200;
  font-family: var(--font-josefin);
  font-style: italic;
  letter-spacing: 0.38em;
  line-height: 1;
  background-image: linear-gradient(140deg, #001479, #01002e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* 縦積み */
#history .ud-sec-ttl-main.ud-sec-ttl-main--column {
  flex-direction: column;
  align-items: center;
  gap: 0.2em;
}

/* サブタイトル */
#history .ud-sec-ttl-sub {
  font-size: var(--fs-23);
  letter-spacing: 1.32em;
  color: var(--c-blue-04);
  display: flex;
  align-items: center;
}

#history .ud-sec-ttl.ud-sec-ttl--btw {
  justify-content: space-between;
  align-items: flex-end;
}

@media screen and (max-width: 1024px) {
  #history .ud-sec-ttl-main .cube-txt-anime__inner {
    font-size: 56px;
  }
  #history .ud-sec-ttl-sub {
    font-size: var(--fs-20);
  }
}
@media screen and (max-width: 960px) {
  #history .ud-sec-ttl {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5em;
  }
  #history .ud-sec-ttl.ud-sec-ttl--btw {
    flex-direction: row;
  }
}
@media screen and (max-width: 600px) {
  #history .ud-sec-ttl-main .cube-txt-anime__inner {
    font-size: 40px;
    letter-spacing: 0.2em;
  }
  #history .ud-sec-ttl-sub {
    font-size: var(--fs-18);
    letter-spacing: 0.5em;
  }
}

#history.bg-grad-blue {
  position: relative;
  isolation: isolate;
}
#history.bg-grad-blue::before,
#history.bg-grad-blue::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  height: 200px;
  z-index: -1;
  pointer-events: none;
}
#history.bg-grad-blue::before {
  top: 0;
  background-image: linear-gradient(#006ff34d, #ffffff);
}
#history.bg-grad-blue::after {
  bottom: 0;
  background-image: linear-gradient(#ffffff, #006ff34d);
}