:root {
  color-scheme: light;
  --text: #282828;
  --red: #d2241e;
  --blue-line: #224c76;
  --bg: #f7f7f7;
  --surface: #ffffff;
  --border: #d8d8d8;
  --diagonal-gap: 20px;
  --diagonal-image-offset: 50px;
  --diagonal-image-width: calc(66vw - 13.2px);
  --diagonal-hero-top: 38%;
  --diagonal-joint: 14%;
  --diagonal-about-bottom: 0%;
}

* {
  box-sizing: border-box;
}

html {
  font-family: 'Helvetica Neue', 'Segoe UI', Arial, 'Hiragino Kaku Gothic Pro', 'Yu Gothic', sans-serif;
  font-size: 18px;
  font-weight: 400;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  line-height: 1.7;
}

h2 {font-weight:bold}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  border: none;
  background: none;
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus,
a:active,
a:visited {
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  height: 90px;
}

.site-header__inner {
  margin: 0 auto;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
}

.logo img {
  height: auto;
  max-width: none;
}

.burger {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: space-between;
  padding: 6px 0;
  cursor: pointer;
}

.burger span {
  display: block;
  height: 3px;
  border-radius: 999px;
  background: var(--text);
}

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.global-nav a {
  font-weight: 500;
}

.hero,
.about,
.business,
.publications,
.company,
.site-footer {
  margin: 0 auto;
  padding: 60px 24px;
}

.hero {
  position: relative;
  display: block;
  height: 820px;
  background: #ffffff;
  max-width: none;
  padding: 0;
  overflow: hidden;
}

.hero__visual {
  position: absolute;
  top: 0;
  right: calc(var(--diagonal-image-offset) * -1);
  z-index: 1;
  width: var(--diagonal-image-width);
  overflow: hidden;
  clip-path: polygon(var(--diagonal-hero-top) 0, 100% 0, 100% 100%, var(--diagonal-joint) 100%);
  height: 100%;
  opacity: 0;
  transform: translateX(80px);
  animation: heroVisualSlideIn 1.1s ease forwards;
}

.hero__visual img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
}

.hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: none;
  padding-left: 8%;
  padding-right: 18%;
}

.hero__eyebrow {
  font-size: 18px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__catch {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.hero__catch--sports,
.hero__catch--culture {
  display: inline-block;
  font-size: 5vw;
  font-weight: 700;
  line-height: 1;
}

.hero__catch--sports {
  color: var(--blue-line);
}

.hero__catch--culture {
  color: var(--red);
}

.hero__catch-divider {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  position: relative;
}

.hero__catch-divider::before,
.hero__catch-divider::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: #505050;
  top: 50%;
  left: 0;
  transform-origin: center;
}

.hero__catch-divider::before {
  transform: rotate(45deg);
}

.hero__catch-divider::after {
  transform: rotate(-45deg);
}

.hero__title {
  font-size: 6.2vw;
  line-height: 1.3;
  margin: 0 0 40px;
  letter-spacing: -0.04em;
  font-weight:bold;
}

.hero__lead {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 2.5vw;
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.hero__lead::before {
  content: '';
  display: block;
  width: 4px;
  height: 2.5vw;
  background: var(--red);
  border-radius: 999px;
}

.hero__text {
  max-width: 720px;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.9;
}

.hero__catch,
.hero__title,
.hero__lead,
.hero__text {
  opacity: 0;
  transform: translateY(18px);
  animation: heroTextFadeUp 0.8s ease forwards;
}

.hero__catch {
  animation-delay: 0.2s;
}

.hero__title {
  animation-delay: 0.45s;
}

.hero__lead {
  animation-delay: 0.7s;
}

.hero__text {
  animation-delay: 0.95s;
}

@keyframes heroTextFadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroVisualSlideIn {
  from {
    opacity: 0;
    transform: translateX(80px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__visual,
  .about__visual,
  .hero__catch,
  .hero__title,
  .hero__lead,
  .hero__text,
  .heading-char {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .js-split-heading::after {
    transform: scaleX(1);
    animation: none;
  }
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about {
  position: relative;
  max-width: none;
  height: 480px;
  padding: 0;
  overflow: hidden;
  background: #ffffff;
}

.about__visual {
  position: absolute;
  top: 0;
  right: calc(var(--diagonal-image-offset) * -1);
  width: var(--diagonal-image-width);
  height: 480px;
  overflow: hidden;
  border-radius: 0;
  clip-path: polygon(var(--diagonal-joint) 0, 100% 0, 100% 100%, var(--diagonal-about-bottom) 100%);
  opacity: 0;
  transform: translateX(80px);
}

.about.is-inview .about__visual {
  animation: heroVisualSlideIn 1.1s ease forwards;
}

.about__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 28% center;
}

.about__content {
  position: relative;
  z-index: 1;
  width: 420px;
  margin-left: 8%;
  padding-top: 113px;
}

.about .section-label {
  display: block;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--red);
  letter-spacing: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 18px;
}

.about h2 {
  position: relative;
  font-size: 30px;
  line-height: 1.2;
  margin: 0 0 58px;
}

.heading-char {
  display: inline-block;
  opacity: 0;
  transform: translateX(-10px);
}

.is-inview .heading-char {
  animation: aboutHeadingCharIn 0.48s ease forwards;
}

.about h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -15px;
  width: 65px;
  height: 2px;
  background: var(--blue-line);
  transform: scaleX(0);
  transform-origin: left center;
}

.about__content p {
  opacity: 0;
  transform: translateY(18px);
}

.about.is-inview .about__content p {
  animation: aboutTextFadeUp 0.6s ease 0.72s forwards;
}

@keyframes aboutHeadingCharIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes aboutHeadingLineIn {
  from {
    transform: scaleX(0);
  }

  to {
    transform: scaleX(1);
  }
}

@keyframes aboutTextFadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .about__visual,
  .heading-char,
  .about__content p,
  .business-card,
  .publication-card {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .js-split-heading::after {
    transform: scaleX(1);
    animation: none;
  }
}

.section-label {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--blue-line);
  border-radius: 999px;
  color: var(--blue-line);
  letter-spacing: 0.12em;
  font-size: 15px;
  margin-bottom: 24px;
}

h2 {
  font-size: 30px;
  margin: 0 0 24px;
  line-height: 1.2;
}

.about__content p,
.company__block p,
.business-card p,
.publication-card__text p {
  margin: 0;
}

.about__content p {
  font-size: 18px;
  line-height: 1.55;
}

.business {
  width: 100%;
  padding: 72px 8% 82px;
  background-color: #f4f3f0;
  box-sizing: border-box;
}

.publications {
  padding: 72px 8% 84px;
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 54px;
}

.section-heading .section-label {
  display: block;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--red);
  letter-spacing: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 18px;
}

.section-heading h2 {
  position: relative;
  font-size: 30px;
  line-height: 1.2;
  margin: 0;
}

.section-heading h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -15px;
  width: 65px;
  height: 2px;
  background: var(--blue-line);
}

.js-split-heading::after {
  transform: scaleX(0);
  transform-origin: left center;
}

.is-inview .js-split-heading::after {
  animation: aboutHeadingLineIn 0.65s ease 0.95s forwards;
}

.business__cards,
.publication__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 45px;
}

.business-card,
.publication-card {
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  opacity: 0;
  transform: translateY(24px);
}

.business.is-inview .business-card,
.publications.is-inview .publication-card {
  animation: sectionCardFadeUp 0.75s ease forwards;
}

.business.is-inview .business-card:nth-child(1),
.publications.is-inview .publication-card:nth-child(1) {
  animation-delay: 0.3s;
}

.business.is-inview .business-card:nth-child(2),
.publications.is-inview .publication-card:nth-child(2) {
  animation-delay: 0.48s;
}

.business.is-inview .business-card:nth-child(3),
.publications.is-inview .publication-card:nth-child(3) {
  animation-delay: 0.66s;
}

@keyframes sectionCardFadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.business-card {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: 50px auto 1fr;
  column-gap: 14px;
  row-gap: 16px;
  align-items: center;
}

.business-card__icon {
  width: 44px;
  height: 44px;
  margin: 0;
  grid-column: 1;
  grid-row: 1;
}

.business-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.business-card h3 {
  font-size: 20px;
  height: 50px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  line-height: 1.3;
  grid-column: 2;
  grid-row: 1;
}

.business-card h3 span {
  font-size: 14px;
}

.business-card__image {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  border-radius: 0;
  overflow: hidden;
}

.business-card__image img {
  width: 100%;
  height: 216px;
  display: block;
  object-fit: cover;
}

.business-card p {
  grid-column: 1 / -1;
  grid-row: 3;
  align-self: start;
  font-size: 18px;
  line-height: 1.55;
}

.publication-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-left: 62px;
  align-items: center;
  text-align: center;
}

.publication-card:not(:first-child) {
  border-left: 1px solid #e2e2e2;
}

.publication-card img {
  width: 220px;
  height: 306px;
  object-fit: contain;
}

.publication-card__text p {
  white-space: normal;
  font-weight: 600;
  line-height: 1.45;
  font-size: 18px;
}

.publication-card__text strong {
  display: inline-block;
  font-size: 24px;
  line-height: 1.15;
}

.publication-card__text span {
  display: inline-block;
  font-weight: 400;
}

.company {
  background-color: #f4f3f0;
  padding: 72px 8% 84px;
}

.company__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 84px;
}

.company__block {
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.company__block dl {
  margin: 0;
}

.company__row {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 28px;
  margin-bottom: 26px;
  font-size: 18px;
  line-height: 1.45;
}

.company__row dt {
  font-weight: 700;
  position: relative;
}

.company__row dt::after {
  content: '';
  position: absolute;
  top: 0;
  right: -15px;
  width: 2px;
  height: 27px;
  background: var(--blue-line);
}

.company__row dd {
  margin: 0;
}

.site-footer {
  max-width: none;
  background: #224c76;
  color: #ffffff;
  padding: 74px 0px 84px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 290px 1fr;
  grid-template-areas:
    "brand nav"
    "button sns";
  column-gap: 126px;
  row-gap: 34px;
  align-items: center;
  margin: 0 auto 68px;
  padding: 0 8%;
}

.footer-brand img {
  width: 230px;
  height: auto;
}

.footer-brand {
  grid-area: brand;
}

.footer-nav ul {
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-nav {
  grid-area: nav;
}

.footer-nav a {
  color: #ffffff;
  font-weight: 400;
  font-size: 18px;
}

.footer-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: fit-content;
  min-height: 53px;
  padding: 0 15px 0 21px;
  border: 1px solid #ffffff;
  border-radius: 0;
  background: transparent;
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  gap: 12px;
  grid-area: button;
}

.footer-button__text {
  display: flex;
  flex: 1;
  min-width: 0;
  flex-direction: column;
  line-height: 1.2;
}

.footer-button__text small {
  font-size: 12px;
  font-weight: 400;
}

.footer-button img:first-child {
  width: 28px;
  height: auto;
}

.footer-button img:last-child {
  width: 20px;
  height: auto;
}

.footer-sns {
  display: flex;
  gap: 20px;
  grid-area: sns;
}

.footer-sns img {
  width: 45px;
  height: 45px;
}

.footer-copy {
  max-width: none;
  margin: 0;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  text-align: center;
  color: #ffffff;
  font-size: 20px;
}

@media (max-width: 1024px) {
  .hero,
  .about {
    grid-template-columns: 1fr;
  }

  .hero {
    display: grid;
    height: auto;
    overflow: visible;
  }

  .hero__visual,
  .about__visual {
    clip-path: none;
  }

  .hero__visual {
    position: relative;
    right: auto;
    order: 1;
    width: 100%;
    height: 360px;
  }

  .hero__content {
    order: 2;
    display: block;
    height: auto;
    padding: 48px 6%;
  }

  .about {
    display: grid;
    height: auto;
  }

  .about__visual {
    position: relative;
    right: auto;
    order: 1;
    width: 100%;
    height: 360px;
  }

  .about__content {
    order: 2;
    width: auto;
    margin-left: 0;
    padding: 48px 6%;
  }

  .business__cards,
  .publication__cards,
  .company__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .site-header__inner {
    padding: 18px 20px;
  }

  .burger {
    display: flex;
  }

  .global-nav {
    position: fixed;
    inset: 90px 0 0;
    width: 100%;
    height: calc(100vh - 90px);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    border-radius: 0;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    padding: 20px;
  }

  .global-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .global-nav ul {
    flex-direction: column;
    gap: 18px;
	font-size: 22px;
line-height: 1.4;
  }

  .business,
  .publications,
  .company,
  .site-footer {
    padding: 40px 20px;
  }

  .about {
    height: auto;
  }

  .about__visual {
    position: relative;
    width: 100%;
    height: 260px;
  }

  .about__content {
    width: auto;
    margin-left: 0;
    padding: 40px 20px;
  }

  .business__cards,
  .publication__cards,
  .company__grid {
    grid-template-columns: 1fr;
  }

  .company__grid {
    gap: 0;
  }

  .business__cards,
  .publication__cards {
    gap: 0;
  }

  .business.is-inview .business-card,
  .publications.is-inview .publication-card {
    animation-duration: 0.55s;
  }

  .business.is-inview .business-card:nth-child(1),
  .publications.is-inview .publication-card:nth-child(1) {
    animation-delay: 0.12s;
  }

  .business.is-inview .business-card:nth-child(2),
  .publications.is-inview .publication-card:nth-child(2) {
    animation-delay: 0.22s;
  }

  .business.is-inview .business-card:nth-child(3),
  .publications.is-inview .publication-card:nth-child(3) {
    animation-delay: 0.32s;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: 1;
    height: 260px;
  }

  .hero__content {
    order: 2;
    padding: 40px 4%;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__lead {
    font-size: 5vw;
  }

  .hero__lead::before {
    height: 5vw;
  }

  .hero h1 {
    font-size: 2.8rem;
  }

  h2 {
    font-size: 28px;
  }

  .business-card,
  .publication-card,
  .company__block {
    padding: 24px;
  }

  .business-card,
  .publication-card,
  .company__block {
    padding-left: 0;
    padding-right: 0;
  }

  .company__block {
    padding-top: 0;
    padding-bottom: 0;
  }

  .publication-card:not(:first-child) {
    border-left: 0;
  }

  .publication-card img {
    width: min(220px, 100%);
  }

  .company__row {
    grid-template-columns: 82px 1fr;
    gap: 22px;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "nav"
      "button"
      "sns";
    gap: 28px;
    margin-bottom: 40px;
  }

  .footer-nav ul {
    flex-direction: column;
    gap: 16px;
  }

  .footer-button {
    width: fit-content;
  }

}

@media (max-width: 480px) {
  .hero__catch--sports,
  .hero__catch--culture {
    font-size: 8vw;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero__title {
    margin: 0 0 20px;
  }

  .hero__text {
    margin: 0;
  }

  .hero__text,
  .about__content,
  .section-heading,
  .footer-nav ul {
    gap: 14px;
  }

  .footer-copy {
    margin-top: 24px;
  }
}

/*for PC*/
@media screen and (min-width:960px) {.pc{display:block}.sp{display:none}}
/*for iPad tb(タブレット)*/
@media screen and (min-width:481px) and (max-width:960px) {.pc{display:none}.sp{display:block}}
/*for iPhone sp(スマートフォン)*/
@media screen and (max-width: 980px) {.pc{display:none}.sp{display:block}}