@charset "utf-8";

* {
  /* outline: 1px solid magenta; */
}
/* common */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 62.5%;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: #fff;
  background: #101010;
  font-family: "M PLUS 1p", sans-serif;
  font-size: 1.6rem;
  line-height: 1.8;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

address {
  font-style: normal;
}

.section {
  width: min(1230px, 92vw);
  margin: 0 auto 100px;
  text-align: center;
}

.has-border::after {
  content: "";
  display: block;
  width: min(80%, 980px);
  height: 1px;
  margin: 100px auto 0;
  background: rgba(255, 255, 255, 0.7);
}

.section-title {
  margin: 80px 0 50px;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.5rem;
  text-align: center;
}

.gradient-pink,
.gradient-green,
.gradient-blue {
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

.gradient-pink {
  background-image: linear-gradient(90deg, #4158d0, #c850c0 20%, #ffcc70);
}

.gradient-green {
  background-image: linear-gradient(90deg, #4158d0, #b1f062 20%, #ff7077);
}

.gradient-blue {
  background-image: linear-gradient(90deg, #4158d0, #43ccf3 20%, #ffcc70);
}

.button-link {
  display: block;
  width: min(414px, 90vw);
  margin: 40px auto 20px;
  padding: 12px 20px;
  border-radius: 999px;
  color: #000;
  background: #fff;
  font-size: 1.7rem;
  font-weight: 700;
  text-align: center;
  transition: opacity 0.2s ease;
  line-height: 1.2;
}

.button-link:hover,
.button-link:focus-visible {
  opacity: 0.75;
}

.anniversary-message {
  font-family: serif;
  font-size: 3rem;
  letter-spacing: 0.2rem;
  line-height: 1.3;
}
.anniversary-text {
  margin-block-end: 69px;
}

.line-break {
  display: inline-block;
}
/* header */
.site-header {
  position: relative;
  min-height: 760px;
  margin-bottom: 95px;
}

.hero-copy {
  position: absolute;
  top: 200px;
  left: 68px;
  z-index: 2;
  max-width: 760px;
  text-align: left;
  text-shadow: -1px -2px 3px #808080;
}

.hero-copy h1 {
  margin: 0 0 60px;
  font-size: 3.2rem;
  line-height: 1.3;
  letter-spacing: 0.5rem;
}

.hero-copy p {
  margin: 0 0 60px;
  font-size: 1.8rem;
  line-height: 1.9;
  letter-spacing: 0.3rem;
}

.hero-copy .hero-theme {
  display: inline-block;
  margin-left: -70px;
  padding: 0 70px;
  background: linear-gradient(90deg, #000 70%, rgba(0, 0, 0, 0));
  font-family: serif;
  font-size: 3.3rem;
  letter-spacing: 0.5rem;
}

.fixed-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 4%;
  color: #000;
  background: rgba(255, 255, 255, 0.72);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.fixed-nav.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.fixed-nav a,
.side-nav a {
  font-size: 1.4rem;
  line-height: 1.4;
}

.nav-logo img {
  width: 50px;
}

.nav-icon img {
  width: 33px;
}

.side-nav {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 3;
  display: grid;
  gap: 16px;
  width: 132px;
  justify-items: center;
  text-align: center;
}

.side-logo img {
  width: 132px;
}

.menu-button,
.mobile-nav {
  display: none;
}

.scroll-sign {
  position: absolute;
  top: 600px;
  right: 150px;
  z-index: 2;
  width: 20px;
  height: 70px;
  animation: arrowMove 1.2s ease-in-out infinite;
}

.scroll-sign span {
  position: absolute;
  left: -20px;
  bottom: 10px;
  color: #eee;
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
}

.scroll-sign::before,
.scroll-sign::after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 1px;
  background: #eee;
}

.scroll-sign::before {
  right: -6px;
  height: 20px;
  transform: skewX(-31deg);
}

.scroll-sign::after {
  right: 0;
  height: 60px;
}

@keyframes arrowMove {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-16px);
  }
}

/* first-view */
.hero-slider {
  position: relative;
  width: 100%;
  min-height: 760px;
  overflow: hidden;
  background: #000;
}

.hero-slider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-slider img.is-active {
  opacity: 1;
}

/* about */
.lead-text {
  max-width: 900px;
  margin: 0 auto;
  font-size: 1.6rem;
  line-height: 2;
  letter-spacing: 0.2rem;
}

.lead-text p {
  margin: 0 0 30px;
}

/* topics */
.topics-list {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 1.6rem;
  line-height: 1.5;
  letter-spacing: 0.3rem;
}


.topic-detail {
  max-width: 900px;
  font-size: 1.3rem;
  line-height: 1.8;
  letter-spacing: 0.3rem;
}

.detail-title {
  margin: 100px 0 40px;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.3rem;
}

.detail-image {
  width: min(360px, 70vw);
  margin: 0 auto 30px;
}

/* media */
.media-list {
  display: grid;
  gap: 60px;
}

.media-item h3 {
  margin: 0 0 20px;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.4rem;
}

.media-item img {
  width: min(430px, 90vw);
  margin: 0 auto 20px;
}

.media-item p {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.8;
  letter-spacing: 0.3rem;
}

.media-item .media-lead {
  margin-bottom: 20px;
  font-size: 2rem;
  line-height: 1.5;
}

/* collection */
.accordion-list {
  display: grid;
  gap: 20px;
}

.accordion-button {
  width: 100%;
  border: 0;
  color: #fff;
  background: transparent;
  font: inherit;
  font-size: 2rem;
  line-height: 1.9;
  letter-spacing: 0.4rem;
  cursor: pointer;
}

.accordion-panel {
  display: none;
  width: min(430px, 90vw);
  margin: 0 auto 20px;
}

.accordion-item.is-open .accordion-panel {
  display: block;
}

.collection-title {
  display: inline-block;
  margin: 40px 0 60px;
  font-size: 3.3rem;
  letter-spacing: 0.5rem;
}

.lookbook-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  width: 96%;
  margin: 60px auto 0;
}

.lookbook-card {
  display: block;
  background: #fff;
}

.lookbook-card img {
  width: 100%;
}

.lookbook-card span {
  display: block;
  padding: 22px 10px 20px;
  color: #101010;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.45;
}

/* members */
.member-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1230px;
    margin: 0 auto;
    padding: 0 3%;
    gap: 36px;
    text-align: left;
}
img {
  width: 100%;
}

.member-card img {
  margin-bottom: 20px;
  max-width: 517px;
}

.member-card h3 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.6;
}

.member-card p {
  margin: 0;
  font-size: 1.6rem;
  line-height: 2;
  letter-spacing: 0.1rem;
}

/* events */
.event-list {
  display: grid;
  gap: 60px;
}

.event-card {
  text-align: center;
}

.event-card h3 {
  margin: 0;
  font-size: 1.8rem;
  line-height: 1.6;
  letter-spacing: 0.3rem;
}

.event-card img {
  width: min(380px, 90vw);
  margin: 20px auto;
}

.event-card p {
  margin: 0;
  font-size: 1.3rem;
  line-height: 1.8;
  letter-spacing: 0.3rem;
}

.partner-section {
  font-size: 1.6rem;
  line-height: 2;
  letter-spacing: 0.1rem;
}

.partner-grid {
  display: grid;
  gap: 46px;
}

.partner-row {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 48px;
}

.partner-row article {
  width: min(350px, 100%);
}

.partner-row-bottom {
  gap: 36px;
}


.partner-grid-large img {
  width: min(350px, 86vw);
  margin: 0 auto 16px;
}
.partner-grid-small img {
  width: min(300px, 86vw);
  margin: 0 auto 16px;
}

.partner-grid h3 {
  margin: 0;
  font-size: 2.4rem;
  font-weight: 400;
}

.partner-grid p,
.schools {
  margin: 0;
}

.schools {
  margin-top: 50px;
  font-size: 2rem;
}

/* works */
.works-area {
  max-width: 1230px;
  margin: 0 auto;
}

.lightwidget-widget {
  width: 100%;
  height: 980px;
  border: 0;
  overflow: hidden;
}

/* service */
.service-section {
  max-width: 1000px;
  margin-top: 140px;
}

.service-title {
  display: inline-block;
  margin: 0;
  padding: 4px 0;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
  font-size: 3.3rem;
  letter-spacing: 0.5rem;
}

.service-map {
  width: 70%;
  margin: 100px auto 0;
}

.service-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin: 60px auto 150px;
}

.service-grid a {
  width: 280px;
}

/* footer contact */
.footer-contact {
  width: min(280px, 90vw);
  margin: 10px auto;
  padding: 12px 20px;
  border: 1px solid #fff;
  color: #fff;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-align: center;
}

.footer-contact p {
  margin: 0;
}

.footer-contact address {
  font-size: 1.2rem;
  font-weight: 100;
  letter-spacing: 0.1em;
}

/* footer */
.site-footer {
  background: #000;
  padding-top: 28px;
}

.site-footer small {
  display: block;
  padding: 0 30px 10px 0;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-align: right;
}

.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 30px;
  z-index: 10;
  width: 54px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* responsive */
@media (max-width: 1199px) {
  .hero-copy {
    top: 150px;
  }

  .scroll-sign {
    top: 400px;
  }
}

@media (max-width: 1024px) {
  .site-header {
    min-height: 620px;
    margin-bottom: 60px;
  }

  .hero-slider {
    min-height: 620px;
  }

  .fixed-nav,
  .side-nav {
    display: none;
  }

  .menu-button {
    position: fixed;
    top: 10px;
    right: 8px;
    z-index: 40;
    display: block;
    width: 56px;
    height: 60px;
    border: 0;
    background: transparent;
  }

  .menu-button span {
    position: absolute;
    left: 50%;
    width: 32px;
    height: 2px;
    background: #fff;
    transform: translateX(-50%);
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .menu-button span:nth-child(1) {
    top: 15px;
  }

  .menu-button span:nth-child(2) {
    top: 29px;
  }

  .menu-button span:nth-child(3) {
    top: 43px;
  }

  .menu-button.is-open span:nth-child(1) {
    top: 29px;
    transform: translateX(-50%) rotate(-45deg);
  }

  .menu-button.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-button.is-open span:nth-child(3) {
    top: 29px;
    transform: translateX(-50%) rotate(45deg);
  }

  .mobile-nav {
    position: fixed;
    inset: 0;
    z-index: 30;
    display: none;
    min-height: 100vh;
    padding: 16px 24px 56px;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.92);
    text-align: center;
  }

  .mobile-nav.is-open {
    display: grid;
    place-content: start center;
    gap: 28px;
  }

  .mobile-nav a {
    font-size: 1.8rem;
  }

  .mobile-logo img {
    width: 50px;
    margin: 0 auto;
  }

  .mobile-icons {
    display: grid;
    grid-template-columns: repeat(3, 42px);
    gap: 36px 48px;
    justify-content: center;
  }

  .mobile-icons img {
    width: 42px;
  }

  .hero-copy {
    top: 120px;
  }

  .scroll-sign {
    top: 200px;
    right: 76px;
  }

  .service-grid {
    width: 96%;
  }
}

@media (max-width: 900px) {
  .hero-copy {
    top: 80px;
  }

  .hero-copy h1 {
    margin-bottom: 40px;
    font-size: 2.5rem;
  }

  .hero-copy p {
    margin-bottom: 50px;
    font-size: 1.6rem;
  }

  .hero-copy .hero-theme {
    font-size: 2.4rem;
    letter-spacing: 0.3rem;
  }
  .anniversary-message {
    font-size: 2rem;
    letter-spacing: 0.3rem;
  }

  .lookbook-grid,
  .member-grid {
    grid-template-columns: 1fr;
    width: min(620px, 90vw);
    margin-inline: auto;
  }

  .partner-row {
    display: grid;
    gap: 40px;
  }

  .partner-row article {
    width: min(350px, 86vw);
    margin-inline: auto;
  }
}

@media (min-width: 600px) and (max-width: 900px) {
  .site-header {
    margin-bottom: 40px;
  }
}

@media (max-width: 759px) {
  .detail-image {
    width: min(70vw, 360px);
  }
}

@media (max-width: 599px) {
  .button-link {
    font-size: 1.5rem;
  }
  .site-header {
    min-height: 430px;
    margin-bottom: 28px;
  }

  .hero-slider {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .hero-slider img {
    object-fit: contain;
  }

  .hero-copy {
    top: clamp(176px, 48vw, 202px);
    left: 42px;
    right: 8px;
    text-shadow: -1px -2px 3px #6a6a6a;
  }

  .hero-copy h1 {
    margin-bottom: 14px;
    font-size: 2.3rem;
    line-height: 1.35;
    letter-spacing: 0.46rem;
  }

  .hero-copy p {
    margin-bottom: 14px;
    font-size: 1.15rem;
    line-height: 21px;
    letter-spacing: 0.18rem;
  }

  .hero-copy .hero-theme {
    margin-left: -42px;
    padding: 2px 12px 4px 42px;
    max-width: calc(100vw - 8px);
    font-size: 1.7rem;
    line-height: 1.45;
    letter-spacing: 0.05rem;
    white-space: nowrap;
  }
  .anniversary-message {
    font-size: 1.5rem;
  }

  .scroll-sign {
    display: block;
    top: 284px;
    right: 32px;
    transform-origin: top right;
  }

  .scroll-sign span {
    font-size: 1rem;
  }

  .scroll-sign::before {
    height: 18px;
  }

  .scroll-sign::after {
    height: 52px;
  }

  .section {
    width: 94vw;
    margin-bottom: 80px;
  }

  .has-border::after {
    width: 100%;
    margin-top: 80px;
  }

  .section-title,
  .collection-title,
  .service-title {
    font-size: 2.5rem;
    letter-spacing: 0.25rem;
  }

  .lead-text,
  .member-card p {
    font-size: 1.1rem;
    line-height: 1.95;
    letter-spacing: 0.12rem;
  }

  .lead-text p {
    margin-bottom: 24px;
  }

  .topics-list {
    font-size: 1.2rem;
    line-height: 2.1;
    letter-spacing: 0.14rem;
  }

  .detail-title,
  .media-item .media-lead,
  .accordion-button {
    font-size: 1.5rem;
    letter-spacing: 0.14rem;
  }

  .detail-title {
    margin: 80px 0 32px;
  }

  .detail-image {
    width: min(70vw, 360px);
  }

  .media-item h3,
  .event-card h3 {
    font-size: 1.5rem;
    letter-spacing: 0.12rem;
  }

  .event-card p,
  .media-item p,
  .topic-detail {
    font-size: 1.1rem;
    letter-spacing: 0.1rem;
  }

  .media-list {
    gap: 48px;
  }

  .media-item h3 {
    font-size: 1.7rem;
    font-weight: 600;
  }

  .media-item img {
    width: 94vw;
  }

  .media-item .media-lead {
    font-size: 1.5rem;
  }

  .accordion-list {
    gap: 14px;
  }

  .accordion-button {
    line-height: 1.7;
  }

  .event-list {
    gap: 48px;
  }

  .event-card h3,
  .event-card p {
    max-width: 96vw;
    margin-inline: auto;
    line-height: 1.75;
  }

  .event-card img {
    width: 96vw;
    margin: 18px auto;
  }

  .collection-section {
    width: 100vw;
  }

  .collection-title {
    display: block;
    margin: 30px 0 44px;
    padding-left: 5vw;
    font-size: 3.3rem;
    letter-spacing: 0.45rem;
    text-align: left;
  }

  .lookbook-grid {
    width: 96vw;
    gap: 24px;
  }

  .lookbook-card span {
    padding: 20px 10px 18px;
    font-size: 2.2rem;
    line-height: 1.45;
  }

  .partner-grid {
    gap: 34px;
  }

  .partner-grid p {
    font-size: 1.1rem;
    line-height: 1.7;
  }

  .partner-grid h3 {
    font-size: 1.5rem;
    line-height: 1.6;
  }

  .schools {
    margin-top: 36px;
    font-size: 1.1rem;
    line-height: 1.8;
  }

  .service-map {
    width: 80%;
    margin-top: 60px;
  }

  .service-grid {
    display: grid;
    justify-content: center;
    margin-bottom: 80px;
  }

  .service-grid a {
    width: min(280px, 82vw);
  }

  .lightwidget-widget {
    height: 620px;
    margin-bottom: 72px;
  }

  .back-to-top {
    right: 12px;
    bottom: 22px;
    width: 44px;
  }

  .site-footer small {
    padding-right: 10px;
    text-align: center;
  }
}

@media (max-width: 500px) {
  
  .hero-copy {
    left: 5%;
  }
  .section {
    width: 90vw;
    text-align: left;
  }
  .section  .event-card {
    text-align: left;
  }



   button {
    text-align: left;
  }

  .pc-br {
    display: none;
  }
}