:root {
  --color-text: #111;
  --color-background: #fff;
  --color-dark: #050505;
  --color-blue: #009fe3;
  --content-width: 1296px;
  --narrow-width: 1100px;
  --side-padding: 48px;
  --font-sans: Helvetica, Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-background);
  font-family: var(--font-sans);
}

body.menu-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

a {
  color: inherit;
}

.mobile-break {
  display: none;
}

.container {
  width: min(calc(100% - (var(--side-padding) * 2)), var(--content-width));
  margin-inline: auto;
}

.container--narrow {
  max-width: var(--narrow-width);
}

.section {
  padding-block: 90px;
}

.section-heading {
  margin: 0 0 70px;
  text-align: center;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.15;
  letter-spacing: .04em;
}

.section-heading span {
  display: block;
  width: fit-content;
  margin: 8px auto 0;
  color: transparent;
  background: linear-gradient(90deg, #00aeef 0%, #1288cf 38%, #7554a3 70%, #dc5164 100%);
  background-clip: text;
  -webkit-background-clip: text;
  font-size: 18px;
  font-style: italic;
  letter-spacing: .02em;
}

.header {
  height: 84px;
  padding: 17px 28px;
  display: flex;
  align-items: center;
  background: #fff;
}

.header__logo {
  width: 254px;
}

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

.hero {
  height: 514px;
  overflow: hidden;
  color: #fff;
  background: #030307 url("../images/main-bg.webp") center -118px / 100% auto no-repeat;
}

.hero__inner {
  width: min(100%, 1400px);
  height: 514px;
  margin-inline: auto;
  position: relative;
}

.hero__event {
  position: absolute;
  z-index: 3;
  top: 48px;
  left: 52px;
  font-weight: 700;
  line-height: 1.2;
  text-shadow: 0 2px 8px #000;
}

.hero__event p {
  margin: 0 0 4px;
}

.hero__event>p:first-child {
  margin-bottom: 5px;
  font-size: 18px;
}

.hero__date {
  font-size: 48px;
  letter-spacing: -.045em;
}

.hero__date span {
  font-size: 25px;
  letter-spacing: 0;
}

.hero__time {
  margin-top: 3px;
  font-size: 32px;
  letter-spacing: -.03em;
}

.hero__time small {
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0;
}

.hero__venue {
  margin-top: 7px !important;
  font-size: 30px;
  letter-spacing: -.03em;
}

.hero__visual {
  position: absolute;
  z-index: 2;
  width: 630px;
  right: 52px;
  bottom: 17px;
}

.hero__title {
  position: absolute;
  z-index: 3;
  top: 298px;
  left: 44px;
  width: 696px;
  margin: 0;
}

.hero__title span {
  display: block;
  margin-top: 8px;
  font-size: 21px;
  line-height: 1.5;
  letter-spacing: -.02em;
  text-shadow: 0 3px 8px #000;
}

.showcase-background {
  background-color: #7485aa;
}

.products {
  padding-block: 94px 65px;
  background: linear-gradient(180deg, #fff 0%, #f7f8fb 10%, #e8ebf2 46%, #c5cddd 78%, #7485aa 100%);
}

.products .section-heading {
  margin-bottom: 86px;
}

.product-panel {
  margin-bottom: 58px;
  background: transparent;
}

.product-panel:last-child {
  margin-bottom: 0;
}

.product-panel h3 {
  height: 122px;
  margin: 0;
  padding: 0 24px 25px;
  display: grid;
  place-items: center;
  color: #fff;
  background-color: #050505;
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 100% 122px;
  text-align: center;
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  line-height: 1.15;
}

.product-panel--red h3 {
  background-image: url("../images/products-bg1.webp");
}

.product-panel--blue h3 {
  background-image: url("../images/products-bg2.webp");
}

.product-panel__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 558px;
  margin-top: -25px;
  padding: 56px 0 50px;
  background: #fff;
  clip-path: polygon(0 18px, 18px 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.product-item {
  min-width: 0;
  padding: 0 60px 0 46px;
}

.product-item+.product-item {
  padding-right: 46px;
  padding-left: 60px;
  position: relative;
}

.product-item+.product-item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -2px;
  width: 4px;
  background: #e1e1e1;
}

.tags {
  display: flex;
  gap: 10px;
  margin: 0 0 16px;
  flex-wrap: wrap;
}

.tag {
  min-height: 38px;
  padding: 6px 10px;
  display: inline-flex;
  align-items: center;
  border: 1px solid currentColor;
  border-radius: 3px;
  background: rgba(255, 255, 255, .9);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.tag--red {
  color: #e33a45;
}

.tag--blue {
  color: #009fcd;
}

.tag--green {
  color: #20a84b;
}

.product-item h4 {
  margin: 0 0 25px;
  font-size: clamp(1.3rem, 2.1vw, 1.9rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .01em;
}

.product-item__body {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 16px;
  align-items: center;
}

.product-item--shortarc .product-item__body {
  grid-template-columns: 1fr 1fr;
}

.product-item--synchro .product-item__body {
  grid-template-columns: 1.25fr .75fr;
}

.product-item--synchro .product-item__body {
  align-items: start;
}

.product-item--arcbuilder .product-item__body {
  grid-template-columns: .95fr 1.05fr;
}

.product-item--vivace .product-item__body {
  grid-template-columns: 1.35fr .65fr;
  gap: 20px;
  align-items: start;
}

.product-item--vivace h4 {
  margin-bottom: 12px;
}

.product-item__body p {
  margin: 0;
  font-size: 20px;
  line-height: 1.6;
  letter-spacing: .01em;
}

.product-item--arcbuilder .product-item__body p {
  padding-right: 16px;
}

.product-item__body img {
  width: 110%;
  max-width: none;
  max-height: 314px;
  object-fit: contain;
  justify-self: center;
}

.product-figure {
  width: 100%;
  margin: 0;
}

.product-figure img {
  margin-inline: -5%;
}

.product-figure figcaption {
  margin-top: 3px;
  text-align: center;
  font-size: 14px;
  line-height: 1.4;
}

.future {
  min-height: 900px;
  padding-block: 80px 130px;
  color: #fff;
  background-color: transparent;
  background-image: url("../images/future-bg2.webp");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: 100% auto;
  overflow: hidden;
  position: relative;
}

.future::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 220px;
  background: linear-gradient(180deg, #7485aa 0%, rgba(116, 133, 170, .94) 24%, rgba(116, 133, 170, .58) 55%, rgba(116, 133, 170, 0) 100%);
  pointer-events: none;
}

.future__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
}

.future h2 {
  width: min(100%, 960px);
  margin: 0 0 63px;
  text-align: center;
  line-height: 1;
}

.future h2 img {
  width: 100%;
}

.future h2 span {
  display: block;
  margin-top: 14px;
  font-size: 28px;
  font-style: normal;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .01em;
  text-shadow: 0 3px 10px #000;
}

.future__gallery {
  width: 100vw;
  overflow: hidden;
}

.future__track {
  --slide-gap: 8px;
  --slide-half-gap: 4px;
  --slide-offset: 77px;
  display: flex;
  width: max-content;
  gap: var(--slide-gap);
  animation: future-slide 42s linear infinite;
  will-change: transform;
}

.future__track img {
  flex: 0 0 auto;
  width: auto;
  height: 340px;
  margin-inline: -15px;
  object-fit: contain;
}

.future__copy {
  margin-top: 40px;
  text-align: center;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.95;
  text-shadow: 0 2px 7px #000;
}

.future__copy p {
  margin: 0 0 46px;
}

.seminar {
  padding-block: 125px 80px;
}

.seminar .section-heading {
  position: relative;
  z-index: 1;
  margin: 0;
  transform: translateY(60px);
}

.seminar__card {
  min-height: 725px;
  padding: 150px 102px 86px;
  background: #f1f1f1 url("../images/trand-bg.webp") center/cover no-repeat;
  border-radius: 7px;
}

.seminar dl {
  margin: 0 0 60px;
}

.seminar dl div {
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  min-height: 74px;
  padding: 20px 0;
  border-bottom: 1px solid #777;
  font-size: 18px;
}

.seminar dt {
  font-weight: 700;
}

.seminar dd {
  margin: 0;
}

.button {
  width: fit-content;
  min-width: 212px;
  margin-inline: auto;
  padding: 20px 28px;
  display: block;
  color: #fff;
  background: linear-gradient(90deg, #00b7dc 0%, #118fd7 54%, #356fc7 100%);
  border-radius: 999px;
  text-align: center;
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
}

.button::before {
  content: "› ";
}

.seminar .button {
  min-width: 255px;
}

.seminar .button::before {
  content: "";
  display: inline-block;
  width: 19px;
  height: 19px;
  margin-right: 6px;
  vertical-align: -3px;
  background: url("../images/seminar-arrow.webp") center/contain no-repeat;
}

.button:hover,
.button:focus-visible {
  filter: brightness(.92);
}

.access {
  padding-block: 60px 90px;
}

.access__grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 65px;
  align-items: start;
}

.section-heading--left {
  margin-bottom: 70px;
  text-align: left;
}

.section-heading--left span {
  margin-left: 0;
  text-align: left;
}

.access__venue {
  color: #008fcf;
  font-size: 22px;
  font-weight: 700;
  line-height: 2;
}

.access__venue strong {
  padding: 2px 16px;
  border: 2px solid #28bce8;
  display: inline-block;
}

.access address {
  margin: 54px 0 28px;
  font-size: 18px;
  line-height: 1.7;
  font-style: normal;
}

.access .button {
  margin-left: 0;
  min-width: 212px;
}

.access .button::before {
  content: "";
  display: inline-block;
  width: 19px;
  height: 19px;
  margin-right: 6px;
  vertical-align: -3px;
  background: url("../images/access-arrow.webp") center/contain no-repeat;
}

.access__map {
  width: 100%;
}

.footer {
  margin-top: 0;
  padding: 34px 20px;
  border-top: 1px solid #ddd;
  text-align: center;
  font-size: 10px;
}

.pageTitle {
  background-color: #eeeeee;
  padding-top: 3px;
}

.pageTitle .container {
  padding: 0 52px;
  width: min(100%, 1400px);
  font-family: ヒラギノ角ゴ Pro W3, Hiragino Kaku Gothic Pro, メイリオ, Meiryo, ＭＳ\ Ｐゴシック, sans-serif;
}

.pageTitle p {
  color: #555;
  margin: 0;
  font-size: 12px;
}

.pageTitle a {
  text-decoration: none;
}

.pageTitle h1 {
  padding: 0 0 2px;
  font-size: 24px;
  font-weight: normal;
  line-height: 1.3;
  margin-top: 2px;
  margin-bottom: 0;
  font-weight: 700;
}

.pageTitle p a {
  margin-right: 1em;
  margin-left: 2px;
  color: #555;
}

#footer {
  font-size: 12px;
  margin-top: 38px;
  padding-top: 22px;
  padding-bottom: 14px;
  background: #eee;
  color: #555;
  font-family: ヒラギノ角ゴ Pro W3, Hiragino Kaku Gothic Pro, メイリオ, Meiryo, ＭＳ\ Ｐゴシック, sans-serif;
}

#footer .pagetop {
  position: relative;
  max-width: 75pc;
  margin: 0 auto;
}

#footer .pagetop a {
  position: absolute;
  top: -121px;
  right: 30px;
}

#footer .container {
  max-width: 980px;
  text-align: right;
}

#header {
  height: 70px;
}

#header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  width: min(100%, 1400px);
  padding: 0 52px;
  margin: 0 auto;
  text-align: left;
}


#header .gnav li {
  color: #333;
  font-size: 13px;
  list-style: none;
  height: stretch;
  display: flex;
  align-items: center;
}

#header .logo {
  margin: 0;
  padding-top: 7px;
}

#header .logo img {
  width: 3in;
}



#header .gnav {
  padding-left: 0;
}

#header .gnav li {
  color: #333;
  padding-top: 10px;
}


#header .gnav li a {
  position: relative;
  display: block;
  color: #333;
  font-size: 13px;
  text-decoration: none;
  font-weight: 700;
  font-family: ヒラギノ角ゴ Pro W3, Hiragino Kaku Gothic Pro, メイリオ, Meiryo, ＭＳ\ Ｐゴシック, sans-serif;
}



#header .gnav li:hover a {
  opacity: 0.8;
}

#header .gnav li:hover a::before {
  position: absolute;
  width: 100%;
  bottom: -26px;
  content: "";
  border-bottom: 4px solid #b6b6b6;
  color: #888;
  text-decoration: none;
}




@media (max-width: 1270px) {
  .product-item__body {
    display: block;
  }

  .product-item--shortarc .product-item__body br {
    display: none;
  }

  .product-item--shortarc .product-item__body br:nth-of-type(3) {
    display: block;
  }
}

@media (max-width: 900px) {
  .pageTitle .container {
    padding: 0 24px;
  }

  #header .container {
    padding: 0 24px;
  }

  :root {
    --side-padding: 24px;
  }

  .header {
    height: 70px;
    padding: 12px 20px;
  }

  .header__logo {
    width: 205px;
  }

  .menu-button {
    width: 46px;
    height: 46px;
    margin-left: auto;
    padding: 11px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    color: #fff;
    background: var(--color-blue);
    border: 0;
    cursor: pointer;
    position: relative;
    z-index: 22;
  }

  .menu-button span {
    height: 2px;
    width: 100%;
    background: currentColor;
    transition: transform .2s, opacity .2s;
  }

  .menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .global-nav {
    position: fixed;
    z-index: 21;
    inset: 0;
    padding: 100px 30px 40px;
    color: #fff;
    background: rgba(0, 0, 0, .97);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s, visibility .2s;
  }

  .global-nav.is-open {
    display: block;
    opacity: 1;
    visibility: visible;
  }

  .global-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .global-nav li {
    border-bottom: 1px solid #333;
  }

  .global-nav a {
    display: block;
    padding: 22px 8px;
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
  }

  .hero,
  .hero__inner {
    height: 610px;
    min-height: 610px;
  }

  .hero {
    background: #030307 url("../images/main_bg02.webp") center / cover no-repeat;
  }

  .hero::before,
  .hero::after {
    display: none;
  }

  .hero__visual {
    display: none;
  }

  .hero__event {
    top: 60px;
    left: 24px;
    right: 24px;
  }

  .hero__event>p:first-child {
    font-size: 15px;
  }

  .hero__date {
    font-size: 2.2rem;
  }

  .hero__date span {
    font-size: .55em;
  }

  .hero__time {
    font-size: 1.25rem;
  }

  .hero__time small {
    font-size: .6em;
  }

  .hero__venue {
    font-size: 1.25rem;
  }

  .hero__title {
    top: auto;
    left: 24px;
    right: 24px;
    bottom: 56px;
    width: auto;
  }

  .hero__title span {
    font-size: 14px;
  }

  .product-panel h3 {
    height: auto;
    min-height: 96px;
    padding: 0 18px 25px;
    background-size: auto 100%;
  }

  .product-panel__grid {
    grid-template-columns: 1fr;
    padding: 42px 28px 38px;
  }

  .product-item {
    padding: 0;
  }

  .product-item+.product-item {
    margin-top: 42px;
    padding: 42px 0 0;
    border-top: 1px solid #bbb;
  }

  .product-item+.product-item::before {
    display: none;
  }

  .products {
    background-size: auto 100%;
  }

  .future {
    background-image: url("../images/future-bg2_small.webp");
    background-size: 100% auto;
  }

  .future h2 {
    width: min(100%, 720px);
  }

  .future h2 span {
    font-size: 21px;
  }

  .future__track img {
    height: 216px;
  }

  .future__copy {
    font-size: 2.8vw;
  }

  .access__grid {
    gap: 36px;
  }
}

@media (max-width: 768px) {


  .access__venue,
  .access address {
    text-align: center;
  }

  .access .button {
    margin-inline: auto;
  }

  .access__map {
    grid-row: 2;
  }

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

  .section-heading--left,
  .section-heading--left span {
    text-align: center;
  }

  .section-heading--left span {
    margin-inline: auto;
  }

  #footer {
    margin-top: 100px;
  }

  #footer .pagetop a {
    top: -80px;
  }

}

@media (max-width: 600px) {
  :root {
    --side-padding: 20px;
  }

  .mobile-break {
    display: block;
  }

  .menu-button {
    position: fixed;
    top: 0;
    right: 0;
    width: 52px;
    height: 52px;
    padding: 14px;
  }

  .section {
    padding-block: 40px;
  }

  .section-heading {
    margin-bottom: 42px;
  }

  .products .section-heading {
    margin-bottom: 43px;
  }

  .hero,
  .hero__inner {
    height: 560px;
    min-height: 560px;
  }

  .hero__date {
    margin-top: 8px;
    font-size: 1.85rem;
  }

  .hero__time {
    font-size: 1.25rem;
  }

  .hero__title {
    bottom: 46px;
  }

  .product-panel {
    margin-bottom: 42px;
  }

  .product-panel h3 {
    min-height: 76px;
    padding: 0 14px 25px;
    font-size: 1.45rem;
  }

  .product-panel__grid {
    clip-path: polygon(0 10px, 10px 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  }

  .tag {
    min-height: 32px;
    padding: 5px 8px;
    font-size: 15px;
  }

  .product-item h4 {
    min-height: 0;
  }

  .product-item__body {
    grid-template-columns: 1fr;
  }

  .product-item--shortarc .product-item__body,
  .product-item--synchro .product-item__body,
  .product-item--arcbuilder .product-item__body,
  .product-item--vivace .product-item__body {
    grid-template-columns: 1fr;
  }

  .product-item__body img {
    max-height: 242px;
  }

  .product-item__body p {
    font-size: 17px;
  }

  .product-item--arcbuilder .product-item__body p {
    padding-right: 0;
  }

  .future {
    min-height: auto;
    padding-block: 80px;
  }

  .future h2 {
    margin-bottom: 42px;
  }

  .future h2 span {
    font-size: 16px;
    line-height: 1.5;
  }

  .future__track {
    --slide-gap: 4px;
    --slide-half-gap: 2px;
    --slide-offset: 50px;
    animation-duration: 36s;
  }


  .future__copy {
    margin-top: 0;
    font-size: 16px;
    line-height: 1.9;
    text-align: left;
  }

  .future__copy br {
    display: none;
  }

  .future__copy .future__copy-break {
    display: block;
  }

  .seminar .section-heading {
    white-space: nowrap;
    transform: translateY(42px);
    font-size: clamp(1.35rem, 6vw, 1.5rem);
    letter-spacing: .01em;
  }

  .seminar__card {
    min-height: 0;
    padding: 80px 22px 42px;
  }

  .seminar dl div {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 14px 0;
    font-size: 20px;
  }

  .seminar dd {
    font-size: 16px;
    line-height: 1.6;
  }



  #header .logo img {
    width: 180px;
  }

  #header .gnav li a {
    font-size: 11px;
    white-space: nowrap;
  }

}

@media (max-width: 480px) {
  .hero {
    background: #030307 url("../images/main_bg03.webp") center / cover no-repeat;
  }

  .pageTitle h1 {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .future__track {
    animation: none;
  }


}

@keyframes future-slide {
  from {
    transform: translateX(calc(0px - var(--slide-offset)));
  }

  to {
    transform: translateX(calc(-50% - var(--slide-half-gap) - var(--slide-offset)));
  }
}