@charset "UTF-8";

:root {
  --gutter: clamp(20px, 5.5vw, 140px);
  /* ===== Base ===== */
  --color-bg-base: #f7f3f1;
  --color-text-base: #404040;
  --color-text-white: #ffffff;
  /* ===== Brand ===== */
  --color-primary: #b72c3f;
  --color-primary-hover: #a32636;
  --color-secondary: #d13d5c;
}

.container-wide {
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.container-text {
  max-width: 1000px;
  margin-inline: auto;
  box-sizing: border-box;
}

html,
body {
  background: var(--color-bg-base);
  color: var(--color-text-base);
}

div#l-document {
  overflow: hidden;
}

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

a:hover {
  color: var(--color-primary-hover);
  transition: color 0.3s ease;
}

.site-main p {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: clamp(0.938rem, 0.317rem + 1.29vw, 1.125rem);
  line-height: 2.4;
  letter-spacing: 0.02em;
  color: var(--color-text-base);
}

.font-shippori {
  font-family: "Shippori Antique", "Noto Sans JP", serif;
  font-weight: 400;
  font-synthesis: none;
}

.font-marcellus {
  font-family: "Marcellus", serif;
  font-weight: 400;
}

.font-noto {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
}

#l-container {
  padding-top: 0 !important;
}

.parallaxTarget {
  opacity: 0;
  filter: blur(8px);
  transform: translateY(50px);
}

/* ローディング */
.loading {
  width: 100vw;
  height: 100svh;
  position: fixed;
  top: 0;
  left: 0;
  background: var(--color-bg-base);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  transition: all 0.5s linear;
  z-index: 9999;
}

.loading.loaded {
  opacity: 0;
  visibility: hidden;
}
.loading_img img {
  width: 280px;
  height: auto;
}
.loading-text {
  color: var(--color-text-base);
  font-size: 16px;
  letter-spacing: 0.02em;
  text-align: center;
  margin-top: 20px;
}

/* ヘッダー */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  z-index: 1000;
  border-bottom: 1px solid #e2e2e2;
  background-color: #f7f3f1c2;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  padding: 0 16px;
}

.logo img {
  height: 40px;
}

.header-nav {
  display: flex;
  align-items: center;
}
.header-nav ul {
  display: flex;
  align-items: center;
}

.header-nav a {
  font-size: 15px;
  color: var(--color-text-base);
  text-decoration: none;
  letter-spacing: 0.1em;
}

.header-nav ul li {
  display: inline-block;
}

.header-nav ul li + li {
  margin-left: 35px;
}

i.fab {
  font-size: 18px;
}

i.fab.fa-youtube {
  margin-left: 13px;
}

.header-nav a:hover {
  color: var(--color-primary-hover);
}

li.youtube-link {
  margin-left: 0 !important;
}
ul.social {
  margin-left: 35px;
}

.footer-info {
  display: none;
}

.menu-title,
.sns-title {
  display: none;
}

/* ハンバーガーメニュー */
.hamburger-menu {
  display: none;
  flex-direction: column;
  gap: 8px;
  cursor: pointer;
}

.hamburger-menu .bar {
  width: 25px;
  height: 1px;
  background-color: var(--color-text-base);
  transition: all 0.3s ease;
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  .hamburger-menu {
    display: flex;
  }
  .header-nav ul {
    display: contents;
  }
  .header-nav.active {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-base);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .hamburger-menu.active .bar-1 {
    transform: rotate(45deg);
    position: relative;
    top: 7px;
  }

  .hamburger-menu.active .bar-2 {
    opacity: 0;
  }

  .hamburger-menu.active .bar-3 {
    transform: rotate(-45deg);
    position: relative;
    top: -10px;
  }

  .header-container {
    height: 60px;
  }

  .logo img {
    height: 30px;
  }

  .header-nav.active {
    align-items: flex-start;
    padding: 0 30px 25%;
  }

  .header-nav ul li + li {
    margin-left: 0;
    margin-top: 16px;
  }
  .header-nav.active a {
    font-size: 14px;
    padding: 0;
    color: var(--color-text-base);
  }
  ul.social {
    display: block;
    margin-left: 0;
  }
  li.youtube-link {
    margin-top: 0 !important;
  }

  .footer-info {
    display: block;
    font-size: 14px;
    margin-top: 35px;
  }

  .footer-info p {
    margin-bottom: 5px;
    font-size: 12px;
    line-height: 1.5;
    text-align: left;
  }

  .footer-info a {
    text-decoration: none;
    color: var(--color-text-base);
  }

  .footer-info a:hover {
    color: var(--color-primary-hover);
  }
  .menu-title,
  .sns-title {
    font-family: "Marcellus", serif;
    font-size: 20px;
    text-align: center;
    margin-bottom: 18px;
    padding-bottom: 5px;
    border-bottom: 1px solid #e2e2e2;
    display: block;
  }

  h3.font-marcellus.sns-title {
    margin-top: 35px;
  }
  h4.company_name {
    font-weight: 500;
    text-align: left;
    margin-bottom: 5px;
    font-size: 13px;
  }

  a.privacypolicy {
    font-size: 11px !important;
    text-decoration: underline;
  }

  p.copyright {
    font-size: 10px;
    opacity: 0.7;
    margin-top: 15px;
  }
}

/* セクション1 */
.sec-hero__inner {
  display: grid;
  gap: clamp(16px, 3vw, 150px);
  min-height: 100vh;
  align-content: flex-start;
  justify-items: stretch;
  position: relative;
  z-index: 1;
}

span.video-comment {
  font-size: clamp(0.62rem, 0.313rem + 0.78vw, 0.813rem);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
}

.video-comment__cont {
  text-align: right;
  margin: 144px auto -144px;
}

.video-comment > a {
  color: var(--color-primary);
}

@media (max-width: 1023px) {
  .video-comment__cont {
    margin: 0 auto;
  }
}
@media (min-width: 767px) {
  .sp_br {
    display: none;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .video-comment__cont {
    text-align: right;
    max-width: 1040px;
  }

  span.video-comment {
    line-height: 1.1;
  }
}

.sec-hero__media {
  width: 100%;
}

.hero-video {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.video-frame {
  width: 100%;
  max-width: 945px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-inline: auto;
  transform-origin: center center;
  will-change: transform;
  pointer-events: none;
}

.sec-hero {
  padding-top: 240px;
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  overflow: visible;
}

.hero-deco {
  position: absolute;
  top: -80px;
  right: -18vw;
  width: 950px;
  height: 950px;
  background: url("/mural-25th/assets/images/deco.png") no-repeat center/contain;
  pointer-events: none;
  z-index: -1;
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .hero-deco {
    width: 700px;
    height: 700px;
  }
}

@media (max-width: 768px) {
  .hero-deco {
    width: 400px;
    height: 400px;
    top: 0;
    right: -180px;
  }
}

.sec-hero__title {
  font-size: clamp(32px, 6vw, 78px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 0;
}

h2#hero-title {
  margin-bottom: clamp(12px, 5vw, 24px);
}

.sec-hero__subtitle {
  font-size: clamp(12px, 1.2vw, 20px);
  line-height: 1.6;
  letter-spacing: 0.04em;
}
.sec-hero__text {
  text-align: left;
  margin-bottom: 110px;
}

.sec-hero__title,
.sec-hero__subtitle {
  text-align: left;
}

@media (max-width: 1023px) {
  .sec-hero__inner {
    min-height: initial;
  }
}

@media (max-width: 768px) {
  .video-frame {
    width: 100%;
    max-width: 100%;
  }
  .sec-hero {
    padding-top: 140px;
  }
  .sec-hero__text {
    margin-bottom: 40px;
  }
}

.concept-block {
  position: relative;
  padding: 120px 0 220px;
}

@media (min-width: 1000px) {
  .concept-block {
    padding-top: clamp(200px, 25vw, 340px);
  }
}

@media (max-width: 768px) {
  .concept-block {
    position: relative;
    padding: 80px 0 120px;
  }
}

.concept {
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 0, 56px);
  position: relative;
}

.hero-deco02,
.hero-deco03 {
  position: absolute;
  pointer-events: none;
  z-index: -1;
}

.hero-deco02 {
  top: 5%;
  left: calc(50% - 52vw + clamp(-320px, (100vw - 1920px) * 0.25, 0px));
  width: 620px;
  height: 960px;
  background: url("/mural-25th/assets/images/deco02.png") no-repeat left top /
    contain;
}

.hero-deco03 {
  bottom: -19%;
  right: calc(50% - 50vw);
  width: 450px;
  height: 1200px;
  background: url("/mural-25th/assets/images/deco03.png") no-repeat right top /
    contain;
}

@media (min-width: 768px) {
  .hero-deco03 {
    right: calc(50% - 52vw + clamp(-320px, (100vw - 1920px) * 0.25, 0px));
  }
}

@media (max-width: 768px) {
  .hero-deco03 {
    width: 100%;
    height: 500px;
    right: calc(50% - 53vw);
  }
  .hero-deco02 {
    width: 250px;
    height: 450px;
    left: -16vw;
    top: 0;
  }
}

.concept__left {
  position: relative;
  z-index: 2;
  text-align: left;
}

.concept__label {
  font-size: clamp(2rem, 0.706rem + 6.47vw, 4.75rem);
  letter-spacing: 0.02em;
  line-height: 1.28;
}

.concept__title {
  margin: 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 25px 0 0;
}

.concept__dash {
  flex: 0 0 auto;
  width: 45px;
  margin-top: -0.2em;
  color: var(--color-text-base);
}

.concept__dashSvg {
  display: block;
  width: 100%;
  height: 10px;
}

.concept__titleText {
  font-size: clamp(14px, 2.2vw, 20px);
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.concept__right {
  padding-top: 325px;
  position: relative;
  z-index: 1;
  margin-left: -5vw;
}

.concept__body {
  margin: 0;
}

@media (max-width: 768px) {
  .concept {
    grid-template-columns: 1fr;
  }

  .concept__right {
    padding-top: 40px;
    transform: none;
    margin-left: 0;
  }
}

/* セクション2 */
.sec-message {
  position: relative;
  background: var(--color-primary);
  padding-top: 180px;
  padding-bottom: 180px;
  color: var(--color-text-white);
  overflow: hidden;
  isolation: isolate;
}

.sec-message__content {
  position: relative;
  z-index: 1;
}

.hero-deco04,
.hero-deco05 {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

.hero-deco04__inner,
.hero-deco05__inner {
  width: 100%;
  height: 100%;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.hero-deco04 {
  top: 30%;
  left: 50%;
  width: 2570px;
  height: 2194px;
  transform: translateX(-50%);
}

.hero-deco04__inner {
  background-image: url("/mural-25th/assets/images/deco04.png");
}

.hero-deco05 {
  bottom: 2%;
  left: 50%;
  width: 2650px;
  height: 1350px;
  transform: translateX(-50%);
}

.hero-deco05__inner {
  background-image: url("/mural-25th/assets/images/deco05.png");
  transform-origin: right bottom;
}

@media (min-width: 768px) {
  .hero-deco04 {
    width: clamp(1200px, 130vw, 2200px);
    height: auto;
    aspect-ratio: 2570 / 2194;
  }

  .hero-deco05 {
    width: clamp(1200px, 130vw, 2400px);
    height: auto;
    aspect-ratio: 2650 / 1350;
  }
}

@media (max-width: 768px) {
  .hero-deco04 {
    top: -30%;
    left: 50%;
    width: 900px;
    height: 100%;
    transform: translateX(-50%);
  }

  .hero-deco05 {
    width: 980px;
    height: 480px;
    bottom: 9%;
    left: 5%;
  }
}

.sec-message__inner {
  max-width: 1000px;
  margin-inline: auto;
  text-align: center;
}

.sec-message__image {
  width: 100%;
  aspect-ratio: 12 / 5;
  overflow: hidden;
  margin-bottom: 120px;
}

.sec-message__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  object-position: center 67%;
}

.sec-message__label {
  font-size: clamp(0.813rem, -0.636rem + 3.02vw, 1.25rem);
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: inherit;
}

.sec-message__title {
  font-size: clamp(1.75rem, -2.802rem + 9.48vw, 3.125rem);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin-top: clamp(16px, 2vw, 24px);
  margin-bottom: 70px;
  color: inherit;
}

.sec-message__text {
  max-width: 580px;
  margin-inline: auto;
  color: inherit;
}

@media (max-width: 768px) {
  .sec-message {
    padding-top: 100px;
    padding-bottom: 100px;
  }

  .sec-message__image {
    margin-bottom: 60px;
  }

  .sec-message__title {
    margin-bottom: 40px;
  }

  .site-main p {
    text-align: left;
  }
}

/* VISION for 2030 */
.vision-block {
  padding-top: 250px;
}

.vision-head {
  margin-inline: auto;
  text-align: left;
  margin-bottom: clamp(40px, 6vw, 80px);
}

.vision-head__label {
  font-size: clamp(1.25rem, 0.5rem + 1.56vw, 1.5rem);
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--color-text-white);
}

.vision__title {
  font-size: clamp(1.75rem, -2.802rem + 9.48vw, 3.125rem);
  line-height: 1.6;
  letter-spacing: 0.03em;
  margin: 22px 0 100px 4vw;
  color: inherit;
}

.vision-content {
  max-width: 1000px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8%;
  align-items: center;
}

.vision-content__image {
  width: 100%;
  aspect-ratio: 52 / 65;
  overflow: hidden;
}

.vision-content__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  padding-right: 0;
}

@media (min-width: 1000px) {
  .vision-content__image img {
    padding-right: clamp(0%, calc((100vw - 1000px) * 0.2), 10%);
  }
}

.vision-content__subtitle {
  font-size: clamp(20px, 3vw, 32px);
  line-height: 2.2;
  margin: 0 0 60px;
}

p.sec-message__text {
  color: var(--color-text-white);
}

@media (max-width: 768px) {
  .vision-content {
    grid-template-columns: 1fr;
    gap: 4%;
  }

  .vision-content__image {
    margin-bottom: 32px;
  }

  .vision-block {
    padding-top: 120px;
  }

  .vision__title {
    margin: 12px 0 60px 4vw;
  }

  .vision-content__subtitle {
    margin: 0 0 30px;
  }
}

.vision-content_scnd {
  padding-top: 300px;
  max-width: 1000px;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 70px;
  align-items: start;
}

.vision-content_scnd .vision-content__left {
  min-width: 0;
}

.vision-content_scnd .vision-content__subtitle {
  margin: 0 0 70px;
}
.vision-content_scnd .vision-content__body {
  margin: 0;
}

p.vision-content__body {
  color: var(--color-text-white);
}
.vision-content_scnd .vision-content__right {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.vision-content_scnd .vision-content__right img {
  width: 65%;
  max-width: 325px;
  aspect-ratio: 65 / 46;
  object-fit: cover;
  display: block;
  margin: -34% -15% 0 0;
}

@media screen and (min-width: 768px) and (max-width: 1024px) {
  .vision-content_scnd .vision-content__right img {
    margin: -34% 16% 0 0;
  }
}

@media (max-width: 768px) {
  .vision-content_scnd {
    grid-template-columns: 1fr;
    row-gap: 40px;
    column-gap: 0;
    padding-top: 80px;
  }

  .vision-content_scnd .vision-content__right img {
    width: 100%;
    max-width: none;
    margin: 0;
  }
  .vision-content_scnd .vision-content__subtitle {
    margin-bottom: 30px;
  }
}

.future-block {
  padding: 200px 0 0;
  text-align: center;
}

.future-block__inner {
  max-width: 1000px;
  margin-inline: auto;
  position: relative;
}

.future-block__title {
  font-size: clamp(1.35rem, -4.543rem + 12.07vw, 3rem);
  line-height: 1.8;
  letter-spacing: 0.02em;
  margin-bottom: 40px;
  color: var(--color-text-white);
}

.future-block__bar {
  width: 1px;
  height: 60px;
  background: var(--color-text-white);
  margin: 0 auto 60px;
  opacity: 0.6;
}

.future-block__video-wrap {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  z-index: 2;
}

.future-block__video-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.future-block__marquee {
  position: absolute;
  bottom: -70px;
  left: 0;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  pointer-events: none;
  margin-left: calc(50% - 50vw);
  z-index: 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 20s linear infinite;
}

.marquee-track span {
  white-space: nowrap;
  padding-right: 0.5em;
  font-size: clamp(2.25rem, -13.474rem + 32.76vw, 7rem);
  letter-spacing: 0;
  color: var(--color-soft-accent);
  mix-blend-mode: soft-light;
  opacity: 0.4;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section-connection {
  padding-bottom: 200px;
}

.connection-block {
  width: 100%;
  max-width: 1000px;
  margin: 180px auto 0;
  box-sizing: border-box;
}

.connection-block--narrow {
  max-width: 850px;
}
p.connection-text {
  line-height: 1.6;
  font-size: clamp(0.875rem, 0.461rem + 0.86vw, 1rem);
}

.connection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.connection-col {
  width: 100%;
}

.connection-col--center {
  display: flex;
  justify-content: center;
}

.connection-image {
  width: 100%;
  max-width: 400px;
  aspect-ratio: 43 / 29;
  object-fit: cover;
  display: block;
}

.connection-title {
  margin-bottom: 20px;
  font-size: clamp(1.25rem, 0.422rem + 1.72vw, 1.5rem);
}

.banner-image-wrap {
  overflow: hidden;
}

.banner-image-wrap img {
  width: 100%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.connection-banner:hover .banner-image-wrap img {
  transform: scale(1.06);
}

.connection-banner {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: var(--color-text-base);
  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.banner-title,
.banner-text {
  color: inherit;
}
a.connection-link {
  color: var(--color-primary);
}

.connection-banner:hover {
  color: var(--color-primary-hover);
}

.connection-banner img {
  width: 100%;
  display: block;
  margin-bottom: 24px;
}

.banner_contents {
  text-align: left;
}

.banner-title {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  font-size: clamp(0.938rem, 0.317rem + 1.29vw, 1.125rem);
  letter-spacing: 0.02em;
  color: var(--color-text-base);
  font-size: clamp(0.938rem, 0.731rem + 0.43vw, 1rem);
  margin-bottom: 8px;
}
p.banner-text {
  font-size: clamp(0.813rem, 0.606rem + 0.43vw, 0.875rem);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .connection-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    max-width: 400px;
    margin: 0 auto;
  }
  .connection-block,
  .future-block {
    padding: 80px 0 0;
    margin: 0 auto;
    text-align: center;
  }

  .future-block__bar {
    height: 40px;
    margin: 20px auto 40px;
  }

  .future-block__marquee {
    bottom: -28px;
  }

  .connection-title {
    margin-bottom: 8px;
    text-align: left;
  }
  .section-connection {
    padding-bottom: 100px;
    text-align: left;
  }
}