@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Noto+Sans+JP:wght@300;400;500;600;700&display=swap');

:root {
  --v4-bg: #080a10;
  --v4-bg-soft: #0d111a;
  --v4-panel: rgba(18, 23, 34, .62);
  --v4-panel-strong: rgba(17, 22, 33, .9);
  --v4-text: #f7f3eb;
  --v4-muted: #aaa9a8;
  --v4-gold: #c9a96a;
  --v4-gold-soft: #ecdcb8;
  --v4-blue: #7797b8;
  --v4-sakura: #dba9bd;
  --v4-line: rgba(238, 223, 188, .13);
  --v4-line-strong: rgba(238, 223, 188, .26);
  --v4-max: 1280px;
  --v4-radius: 1.6rem;
  --v4-shadow: 0 2rem 7rem rgba(0, 0, 0, .38);
}

.v4-home {
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  color: var(--v4-text);
  background:
    radial-gradient(circle at 80% 0%, rgba(105, 128, 170, .13), transparent 32rem),
    radial-gradient(circle at 10% 20%, rgba(201, 169, 106, .08), transparent 28rem),
    var(--v4-bg);
  font-family: "Noto Sans JP", system-ui, sans-serif;
}

.v4-home * {
  box-sizing: border-box;
}

.v4-home a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: fixed;
  z-index: 200;
  left: 1rem;
  top: -5rem;
  padding: .75rem 1rem;
  color: #111;
  background: var(--v4-gold-soft);
  border-radius: .5rem;
}

.skip-link:focus {
  top: 1rem;
}

.v4-ambient,
.v4-stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.v4-ambient {
  z-index: -1;
  overflow: hidden;
}

.v4-stars {
  opacity: .28;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.7) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(255,255,255,.45) 0 1px, transparent 1.5px);
  background-size: 9rem 9rem, 13rem 13rem;
  background-position: 1rem 2rem, 5rem 7rem;
}

.v4-orb {
  position: absolute;
  width: 34rem;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(8rem);
  opacity: .13;
}

.v4-orb-one {
  left: -16rem;
  top: 18%;
  background: var(--v4-gold);
}

.v4-orb-two {
  right: -14rem;
  top: 52%;
  background: var(--v4-blue);
}

.v4-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5.3rem;
  padding: .8rem max(1.2rem, calc((100vw - var(--v4-max)) / 2));
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, min-height .3s ease;
}

.v4-header.is-scrolled {
  min-height: 4.5rem;
  background: rgba(8, 10, 16, .78);
  border-color: var(--v4-line);
  backdrop-filter: blur(20px);
}

.v4-brand {
  display: flex;
  align-items: center;
  gap: .85rem;
}

.v4-brand img {
  width: 3rem;
  height: 3rem;
  object-fit: cover;
  border: 1px solid var(--v4-line);
  border-radius: 50%;
  box-shadow: 0 0 2rem rgba(229, 209, 165, .08);
}

.v4-brand span,
.v4-brand strong,
.v4-brand small {
  display: block;
}

.v4-brand strong {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.2rem;
  letter-spacing: .035em;
}

.v4-brand small {
  color: var(--v4-muted);
  font-size: .65rem;
  letter-spacing: .15em;
}

.v4-nav {
  display: flex;
  align-items: center;
  gap: 1.45rem;
  color: var(--v4-muted);
  font-size: .82rem;
}

.v4-nav > a {
  position: relative;
}

.v4-nav > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -.45rem;
  height: 1px;
  background: var(--v4-gold);
  transition: right .25s ease;
}

.v4-nav > a:hover {
  color: var(--v4-text);
}

.v4-nav > a:hover::after {
  right: 0;
}

.v4-nav-project {
  padding: .65rem .95rem;
  border: 1px solid var(--v4-line-strong);
  border-radius: 999px;
  color: var(--v4-gold-soft) !important;
}

.v4-nav-project::after {
  display: none;
}

.v4-language {
  display: flex;
  gap: .45rem;
  margin-left: .25rem;
  padding-left: 1rem;
  border-left: 1px solid var(--v4-line);
}

.v4-language a {
  font-size: .67rem;
}

.v4-language a.is-active {
  color: var(--v4-gold-soft);
}

.v4-menu-button {
  display: none;
}

.v4-hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 6rem);
  width: min(var(--v4-max), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: 8rem 0 5rem;
}

.v4-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--v4-line-strong), transparent);
}

.v4-hero-moon {
  position: absolute;
  right: -12rem;
  top: -14rem;
  width: 46rem;
  aspect-ratio: 1;
  border-radius: 50%;
  opacity: .35;
  border: 1px solid rgba(230, 218, 193, .15);
  box-shadow:
    inset 4rem -4rem 8rem rgba(255,255,255,.03),
    0 0 8rem rgba(207, 188, 151, .05);
}

.v4-hero-moon span {
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(230, 218, 193, .08);
}

.v4-hero-copy {
  position: relative;
  z-index: 2;
}

.v4-kicker {
  margin: 0 0 1rem;
  color: var(--v4-gold);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.v4-hero h1,
.v4-section h2,
.v4-featured-copy h3,
.v4-project-card h3,
.v4-contact h2 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
}

.v4-hero h1 {
  margin: 0;
  font-size: clamp(4.6rem, 10vw, 9.8rem);
  line-height: .77;
  letter-spacing: -.055em;
}

.v4-hero h1 span {
  display: block;
}

.v4-hero h1 span:last-child {
  margin-left: clamp(0rem, 5vw, 4rem);
  color: transparent;
  -webkit-text-stroke: 1px rgba(246, 240, 228, .65);
}

.v4-japanese {
  margin: 1.8rem 0 1rem;
  color: var(--v4-gold-soft);
  font-size: clamp(1rem, 2vw, 1.45rem);
  letter-spacing: .22em;
}

.v4-lead {
  max-width: 42rem;
  color: var(--v4-muted);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
  line-height: 1.8;
}

.v4-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 2rem;
}

.v4-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: .8rem 1.25rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 700;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}

.v4-button:hover {
  transform: translateY(-2px);
}

.v4-button-primary {
  color: #14110c;
  background: linear-gradient(135deg, var(--v4-gold-soft), var(--v4-gold));
}

.v4-button-ghost {
  border: 1px solid var(--v4-line-strong);
  background: rgba(255,255,255,.018);
}

.v4-button-ghost:hover {
  border-color: var(--v4-gold);
}

.v4-hero-visual {
  position: relative;
  z-index: 2;
  justify-self: end;
  width: min(32rem, 100%);
}

.v4-visual-frame {
  position: relative;
  padding: .75rem;
  overflow: hidden;
  border: 1px solid var(--v4-line);
  border-radius: 2.2rem;
  background: rgba(255,255,255,.025);
  box-shadow: var(--v4-shadow);
  transform: rotate(1.4deg);
}

.v4-visual-frame img {
  display: block;
  width: 100%;
  border-radius: 1.6rem;
}

.v4-visual-glass {
  position: absolute;
  inset: .75rem;
  border-radius: 1.6rem;
  background:
    linear-gradient(130deg, rgba(255,255,255,.1), transparent 35%),
    linear-gradient(0deg, rgba(5,7,12,.18), transparent 45%);
  pointer-events: none;
}

.v4-hero-visual > p {
  margin: 1rem 1.4rem 0 0;
  color: var(--v4-muted);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.2rem;
  text-align: right;
}

.v4-scroll-hint {
  position: absolute;
  left: 0;
  bottom: 2rem;
  display: flex;
  align-items: center;
  gap: .7rem;
  color: var(--v4-muted);
  font-size: .65rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.v4-scroll-hint i {
  width: 3.8rem;
  height: 1px;
  overflow: hidden;
  background: var(--v4-line-strong);
}

.v4-scroll-hint i::after {
  content: "";
  display: block;
  width: 1.4rem;
  height: 1px;
  background: var(--v4-gold-soft);
  animation: v4ScrollLine 2s ease-in-out infinite;
}

@keyframes v4ScrollLine {
  0% { transform: translateX(-1.5rem); }
  100% { transform: translateX(4rem); }
}

.v4-section {
  position: relative;
  width: min(var(--v4-max), calc(100% - 2.4rem));
  margin: 0 auto;
  padding: clamp(6rem, 11vw, 10rem) 0;
}

.v4-section-number {
  position: absolute;
  right: 0;
  top: 5rem;
  color: rgba(255,255,255,.035);
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(7rem, 16vw, 14rem);
  line-height: 1;
  pointer-events: none;
}

.v4-section-head {
  position: relative;
  z-index: 2;
  max-width: 54rem;
  margin-bottom: 4rem;
}

.v4-section h2 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: .98;
  letter-spacing: -.035em;
}

.v4-section-head-split {
  display: grid;
  grid-template-columns: 1fr .65fr;
  gap: 4rem;
  max-width: none;
  align-items: end;
}

.v4-section-head-split > p {
  color: var(--v4-muted);
}

.v4-studio-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 2rem;
  align-items: stretch;
}

.v4-intro-text {
  margin: 0;
  max-width: 48rem;
  color: #d8d4cc;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.65rem, 3.4vw, 3rem);
  line-height: 1.3;
}

.v4-philosophy-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 22rem;
  padding: 2rem;
  overflow: hidden;
  border: 1px solid var(--v4-line);
  border-radius: var(--v4-radius);
  background:
    radial-gradient(circle at top right, rgba(201,169,106,.15), transparent 14rem),
    var(--v4-panel);
  backdrop-filter: blur(14px);
}

.v4-card-mark {
  position: absolute;
  right: 1rem;
  top: -.6rem;
  color: rgba(255,255,255,.06);
  font-family: serif;
  font-size: 9rem;
}

.v4-philosophy-card blockquote {
  position: relative;
  z-index: 2;
  margin: 0;
  padding: 0;
  border: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.55rem;
  line-height: 1.4;
}

.v4-philosophy-card p {
  margin: 1.2rem 0 0;
  color: var(--v4-gold);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.v4-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 5rem;
  border-block: 1px solid var(--v4-line);
}

.v4-values article {
  padding: 2rem;
  border-right: 1px solid var(--v4-line);
}

.v4-values article:last-child {
  border-right: 0;
}

.v4-values span {
  color: var(--v4-gold);
  font-size: .68rem;
}

.v4-values h3 {
  margin: 1rem 0 .7rem;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.7rem;
}

.v4-values p {
  margin: 0;
  color: var(--v4-muted);
}

.v4-projects {
  width: auto;
  max-width: none;
  padding-left: max(1.2rem, calc((100vw - var(--v4-max)) / 2));
  padding-right: max(1.2rem, calc((100vw - var(--v4-max)) / 2));
  border-block: 1px solid var(--v4-line);
  background:
    linear-gradient(rgba(255,255,255,.012), rgba(255,255,255,.012)),
    var(--v4-bg-soft);
}

.v4-projects .v4-section-number {
  right: max(1.2rem, calc((100vw - var(--v4-max)) / 2));
}

.v4-featured-project {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  min-height: 38rem;
  overflow: hidden;
  border: 1px solid var(--v4-line);
  border-radius: 2rem;
  background: #0b0e14;
  box-shadow: var(--v4-shadow);
}

.v4-featured-image {
  position: relative;
  min-height: 32rem;
}

.v4-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.v4-featured-image .concept-badge {
  position: absolute;
  z-index: 3;
  left: 1.1rem;
  bottom: 1.1rem;
  padding: .55rem .75rem;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 999px;
  color: #eee7d9;
  background: rgba(7,9,13,.76);
  backdrop-filter: blur(10px);
  font-size: .62rem;
}

.v4-image-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 62%, #0b0e14 100%),
    linear-gradient(0deg, rgba(5,7,10,.36), transparent 35%);
}

.v4-featured-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4.5rem);
}

.v4-project-meta {
  margin: 0;
  color: var(--v4-gold);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.v4-featured-copy h3 {
  margin: .6rem 0 0;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: .9;
}

.v4-project-jp {
  margin: .8rem 0 1.4rem;
  color: var(--v4-gold-soft);
  letter-spacing: .13em;
}

.v4-featured-copy > p:not(.v4-project-meta):not(.v4-project-jp) {
  color: var(--v4-muted);
}

.v4-project-status {
  display: grid;
  gap: .35rem;
  margin: 1rem 0 1.8rem;
  padding-left: 1rem;
  border-left: 1px solid var(--v4-gold);
  color: #d8d2c5;
  font-size: .75rem;
}

.v4-featured-copy .v4-button {
  align-self: flex-start;
}

.v4-project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.v4-project-card {
  min-height: 20rem;
  padding: 2rem;
  border: 1px solid var(--v4-line);
  border-radius: var(--v4-radius);
  background:
    radial-gradient(circle at top right, rgba(119,151,184,.08), transparent 13rem),
    rgba(255,255,255,.018);
}

.v4-project-card h3 {
  margin: 2.5rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3rem);
}

.v4-project-card > p:not(.v4-project-meta) {
  color: var(--v4-muted);
}

.v4-coming {
  display: inline-block;
  margin-top: 1.2rem;
  color: var(--v4-gold-soft);
  font-size: .72rem;
}

.v4-future {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.v4-future-copy {
  position: sticky;
  top: 8rem;
}

.v4-future-copy p:last-child {
  max-width: 38rem;
  color: var(--v4-muted);
}

.v4-future-track {
  border-left: 1px solid var(--v4-line-strong);
}

.v4-future-track div {
  position: relative;
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 0 0 3.8rem 2.2rem;
}

.v4-future-track div::before {
  content: "";
  position: absolute;
  left: -.35rem;
  top: .35rem;
  width: .65rem;
  height: .65rem;
  border-radius: 50%;
  background: var(--v4-gold);
  box-shadow: 0 0 0 .45rem rgba(201,169,106,.1);
}

.v4-future-track strong {
  color: var(--v4-gold-soft);
  font-family: "Cormorant Garamond", serif;
  font-size: 1.3rem;
}

.v4-future-track span {
  color: var(--v4-muted);
}

.v4-contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: end;
  padding: clamp(2rem, 5vw, 4.5rem);
  overflow: hidden;
  border: 1px solid var(--v4-line);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 84% 10%, rgba(201,169,106,.16), transparent 18rem),
    linear-gradient(135deg, rgba(255,255,255,.035), rgba(255,255,255,.012));
}

.v4-contact h2 {
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5rem);
}

.v4-contact-panel p {
  max-width: 44rem;
  color: var(--v4-muted);
}

.v4-contact-action {
  display: grid;
  justify-items: end;
  gap: .8rem;
}

.v4-contact-action span {
  color: var(--v4-muted);
  font-size: .72rem;
}

.v4-footer {
  padding: 5rem max(1.2rem, calc((100vw - var(--v4-max)) / 2)) 2rem;
  border-top: 1px solid var(--v4-line);
  background: #06080c;
}

.v4-footer-main {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 5rem;
}

.v4-footer-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  align-self: start;
}

.v4-footer-brand img {
  width: 4.3rem;
  border-radius: 50%;
  border: 1px solid var(--v4-line);
}

.v4-footer-brand strong,
.v4-footer-brand small {
  display: block;
}

.v4-footer-brand strong {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
}

.v4-footer-brand small {
  color: var(--v4-muted);
  letter-spacing: .13em;
}

.v4-footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.v4-footer-nav div {
  display: grid;
  align-content: start;
  gap: .65rem;
}

.v4-footer-nav strong {
  margin-bottom: .35rem;
  color: var(--v4-gold-soft);
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.v4-footer-nav a {
  color: var(--v4-muted);
  font-size: .8rem;
}

.v4-footer-nav a:hover {
  color: var(--v4-text);
}

.v4-footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--v4-line);
  color: #727579;
  font-size: .66rem;
}

.v4-reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity .8s ease, transform .8s ease;
}

.v4-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 980px) {
  .v4-menu-button {
    position: relative;
    z-index: 102;
    display: flex;
    align-items: center;
    gap: .7rem;
    border: 0;
    color: var(--v4-text);
    background: transparent;
    font: inherit;
  }

  .v4-menu-icon,
  .v4-menu-icon::before,
  .v4-menu-icon::after {
    display: block;
    width: 1.5rem;
    height: 1px;
    background: currentColor;
    transition: transform .25s ease, opacity .25s ease;
  }

  .v4-menu-icon {
    position: relative;
  }

  .v4-menu-icon::before,
  .v4-menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .v4-menu-icon::before { top: -.4rem; }
  .v4-menu-icon::after { top: .4rem; }

  .v4-menu-button[aria-expanded="true"] .v4-menu-icon {
    background: transparent;
  }

  .v4-menu-button[aria-expanded="true"] .v4-menu-icon::before {
    top: 0;
    transform: rotate(45deg);
  }

  .v4-menu-button[aria-expanded="true"] .v4-menu-icon::after {
    top: 0;
    transform: rotate(-45deg);
  }

  .v4-nav {
    position: fixed;
    inset: 0;
    z-index: 101;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.3rem;
    padding: 6rem 2rem;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-1rem);
    background: rgba(7,9,14,.97);
    backdrop-filter: blur(20px);
    transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
  }

  .v4-nav.is-open {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .v4-nav > a {
    font-family: "Cormorant Garamond", serif;
    font-size: clamp(2rem, 8vw, 4rem);
  }

  .v4-nav-project {
    border: 0;
    padding: 0;
  }

  .v4-language {
    margin: 1.5rem 0 0;
    padding: 1.2rem 0 0;
    border-left: 0;
    border-top: 1px solid var(--v4-line);
  }

  .v4-language a {
    font-family: inherit;
    font-size: .8rem;
  }

  .v4-hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 9rem;
  }

  .v4-hero-visual {
    justify-self: center;
    width: min(28rem, 82vw);
  }

  .v4-scroll-hint {
    display: none;
  }

  .v4-section-head-split,
  .v4-studio-grid,
  .v4-featured-project,
  .v4-future,
  .v4-contact-panel,
  .v4-footer-main {
    grid-template-columns: 1fr;
  }

  .v4-section-head-split {
    gap: 1.5rem;
  }

  .v4-featured-image {
    min-height: 26rem;
  }

  .v4-image-shade {
    background: linear-gradient(180deg, transparent 62%, #0b0e14 100%);
  }

  .v4-future-copy {
    position: static;
  }

  .v4-contact-action {
    justify-items: start;
  }
}

@media (max-width: 700px) {
  .v4-brand strong {
    font-size: 1rem;
  }

  .v4-brand small {
    display: none;
  }

  .v4-hero {
    width: min(100% - 1.4rem, var(--v4-max));
  }

  .v4-hero h1 {
    font-size: clamp(4rem, 20vw, 6.6rem);
  }

  .v4-section {
    width: min(100% - 1.4rem, var(--v4-max));
  }

  .v4-values,
  .v4-project-grid,
  .v4-footer-nav {
    grid-template-columns: 1fr;
  }

  .v4-values article {
    border-right: 0;
    border-bottom: 1px solid var(--v4-line);
  }

  .v4-values article:last-child {
    border-bottom: 0;
  }

  .v4-featured-project {
    border-radius: 1.2rem;
  }

  .v4-featured-image {
    min-height: 20rem;
  }

  .v4-future-track div {
    grid-template-columns: 1fr;
    gap: .4rem;
  }

  .v4-footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .v4-scroll-hint i::after,
  .v4-reveal {
    animation: none;
    transition: none;
  }

  .v4-reveal {
    opacity: 1;
    transform: none;
  }
}