:root {
  --navy: #041f4a;
  --navy-deep: #020f27;
  --blue: #245edb;
  --teal: #1b9b90;
  --violet: #7656d6;
  --magenta: #d84b8f;
  --orange: #f07a24;
  --ink: #10213c;
  --muted: #5b6a80;
  --line: #dce3ec;
  --soft: #f4f7fb;
  --white: #ffffff;
  --header-height: 72px;
  --container: 1280px;
  --gutter: clamp(22px, 4vw, 64px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  /* 横はみ出しガード。clip はスクロールコンテナを作らないため
     .ecosystem__visual の position: sticky を壊さない（hidden は壊す） */
  overflow-x: hidden; /* fallback: Safari 15 以下 */
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  line-height: 1.75;
  overflow-x: hidden; /* fallback: Safari 15 以下 */
  overflow-x: clip;
}

/* ドロワー展開中はスクロールをロック（スクロールバー消失による幅変動を防ぐ） */
body.menu-open {
  overflow: hidden;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  transform: translateY(-64px);
}

.skip-link:focus {
  transform: translateY(0);
}

.section-inner {
  width: min(calc(100% - var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  color: var(--white);
  transition: background 220ms ease, border-color 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.site-header.is-scrolled {
  color: #111;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(18px);
}

body.menu-open .site-header {
  z-index: 250;
  color: var(--white);
  background: transparent;
  backdrop-filter: none;
}

.site-header__inner {
  --header-menu-gap: clamp(6px, 0.8vw, 12px);
  position: relative;
  z-index: 102;
  width: calc(100% - 40px);
  height: var(--header-height);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.18;
  color: #111;
}

.brand > span:not(.brand__mark) {
  display: none;
}

.hero .brand {
  color: var(--white);
}

.brand__mark {
  position: relative;
  display: block;
  width: 40px;
  height: 50px;
  flex: 0 0 40px;
  background-image: url('../img/logo-white.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.brand__mark--header {
  width: clamp(150px, 15vw, 220px);
  height: 34px;
  flex-basis: clamp(150px, 15vw, 220px);
  background-position: left center;
}

.contact-page-body .site-header .brand__mark--header,
.privacy-page-body .site-header .brand__mark--header {
  background-image: url('../img/logo-black.png');
}

.contact-page-body .floating-menu-btn,
.privacy-page-body .floating-menu-btn {
  color: var(--navy);
}

.site-header.is-scrolled .brand__mark--header {
  background-image: url('../img/logo-black.png');
}

body.menu-open .site-header .brand__mark--header {
  background-image: url('../img/logo-white.png');
}

.site-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
  align-items: center;
  justify-content: flex-end;
  gap: var(--header-menu-gap);
  flex: 0 1 500px;
  margin-left: auto;
  max-width: 500px;
  font-size: 13px;
  font-weight: 700;
}

.site-nav a,
.header-contact {
  transition: opacity 180ms ease;
}

.site-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  opacity: 1;
  text-align: center;
}

.site-nav a span {
  display: block;
  line-height: 1.2;
}

.site-nav a[href="#ecosystem"] {
  transform: translateX(16px);
}

.site-nav a[href="#news"] {
  transform: translateX(8px);
}

.site-nav a span:first-child {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.site-nav a span:last-child {
  font-size: 10px;
  font-weight: 400;
}

.site-header.is-scrolled .site-nav a {
  opacity: 0.56;
}

.site-nav a:hover,
.header-contact:hover {
  opacity: 1;
}

.header-contact {
  opacity: 0.88;
}

.site-header.is-scrolled .header-contact {
  opacity: 0.56;
}

.header-contact {
  flex: 0 0 clamp(104px, 7.8vw, 122px);
  width: clamp(104px, 7.8vw, 122px);
  margin-left: var(--header-menu-gap);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 0 12px;
  font-weight: 700;
}

.header-contact span {
  display: block;
  line-height: 1.2;
}

.header-contact span:first-child {
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.header-contact span:last-child {
  font-size: 10px;
}

.site-header.is-scrolled .header-contact {
  border-color: rgba(4, 31, 74, 0.22);
}

body.menu-open .floating-menu-btn {
  display: block;
  position: fixed;
  top: calc((var(--header-height) - 28px) / 2);
  right: 20px;
  z-index: 200;
  color: var(--white);
}

body.menu-open .floating-menu-btn span {
  opacity: 0;
  background: var(--white);
}

body.menu-open .floating-menu-btn::before,
body.menu-open .floating-menu-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 28px;
  height: 3px;
  background: var(--white);
  transform-origin: center;
}

body.menu-open .floating-menu-btn::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

body.menu-open .floating-menu-btn::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: rgba(4, 31, 74, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

body.menu-open .menu-overlay {
  opacity: 1;
  pointer-events: auto;
}

.floating-menu-btn {
  display: none;
  position: relative;
  width: 28px;
  height: 28px;
  padding: 0;
  margin: 0;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 103;
  -webkit-appearance: none;
  appearance: none;
}

.floating-menu-btn span {
  position: absolute;
  left: 50%;
  width: 28px;
  height: 2px;
  background: currentColor;
  transform-origin: center;
  transition: background 220ms ease, opacity 220ms ease, transform 220ms ease;
  transform: translateX(-50%);
}

.floating-menu-btn span:nth-child(1) {
  top: 6px;
}

.floating-menu-btn span:nth-child(2) {
  top: 50%;
  transform: translateX(-50%) translateY(-50%);
}

.floating-menu-btn span:nth-child(3) {
  bottom: 6px;
}

body.menu-open .floating-menu-btn span:nth-child(1) {
  transform: translateX(-50%) translateY(11px) rotate(45deg);
}

body.menu-open .floating-menu-btn span:nth-child(2) {
  opacity: 0;
}

body.menu-open .floating-menu-btn span:nth-child(3) {
  transform: translateX(-50%) translateY(-11px) rotate(-45deg);
}

.site-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100vh;
  min-height: 100svh;
  z-index: 100;
  background: var(--navy-deep);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 220ms ease;
  display: none;
}

body.menu-open .site-menu {
  transform: translateX(0);
}

.site-menu__inner {
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: stretch;
  gap: 48px;
  min-height: 100svh;
  padding: calc(var(--header-height) + 32px) var(--gutter) 32px;
}

.site-menu__nav {
  display: grid;
  gap: 0;
}

.site-menu__nav a {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: baseline;
  gap: 0 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.2;
  opacity: 0;
  transform: translateX(16px);
  transition: opacity 0.48s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.48s cubic-bezier(0.22, 0.61, 0.36, 1), color 0.2s ease;
}

body.menu-open .site-menu__nav a {
  opacity: 1;
  transform: translateX(0);
}

body.menu-open .site-menu__nav a:nth-child(1) { transition-delay: 0.22s; }
body.menu-open .site-menu__nav a:nth-child(2) { transition-delay: 0.28s; }
body.menu-open .site-menu__nav a:nth-child(3) { transition-delay: 0.34s; }
body.menu-open .site-menu__nav a:nth-child(4) { transition-delay: 0.40s; }
body.menu-open .site-menu__nav a:nth-child(5) { transition-delay: 0.46s; }

.site-menu__nav a b {
  font: 700 12px/1 Inter, sans-serif;
  letter-spacing: 0.04em;
  color: white;
  font-style: normal;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-menu__nav a em {
  font: 500 12px/1.3 "IBM Plex Sans JP", sans-serif;
  font-style: normal;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02em;
  margin-left: 8px;
}

.site-menu__nav a:hover b,
.site-menu__nav a:focus-visible b {
  color: var(--blue);
}

.site-menu__nav a:hover em,
.site-menu__nav a:focus-visible em {
  color: white;
}

.site-menu__brand {
  display: grid;
  gap: 22px;
  margin-top: auto;
  justify-items: start;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.48s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.48s cubic-bezier(0.22, 0.61, 0.36, 1);
}

body.menu-open .site-menu__brand {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.64s;
}

.site-menu__brand a {
  display: block;
  text-decoration: none;
}

.brand__mark--menu {
  width: 200px;
  height: 80px;
  display: block;
  background-image: url('../img/logo-white.png');
  background-repeat: no-repeat;
  background-position: left center;
  background-size: contain;
}

.site-menu__brand small {
  display: none;
}

.site-menu__catchcopy {
  display: grid;
  gap: 8px;
}

.site-menu__catchcopy-ja {
  margin: 0;
  color: white;
  font: 600 14px/1.7 "IBM Plex Sans JP", sans-serif;
  letter-spacing: 0.01em;
}

.site-menu__catchcopy-en {
  margin: 0;
  color: rgba(255, 255, 255, 0.38);
  font: 500 12px/1.6 Inter, sans-serif;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.site-menu__contact {
  margin-top: 8px;
  background: var(--navy);
  color: var(--white);
  border-bottom: none;
}

.site-menu__contact:hover {
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-deep);
}

.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
}

.hero__shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 15, 39, 0.70) 0%, rgba(2, 15, 39, 0.48) 39%, rgba(2, 15, 39, 0.05) 72%),
    linear-gradient(180deg, rgba(2, 15, 39, 0.12), rgba(2, 15, 39, 0.28));
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - var(--gutter) * 2), 1320px);
  min-height: 100vh;
  margin-inline: auto;
  padding-top: calc(var(--header-height) + clamp(44px, 7vh, 80px));
  display: grid;
  align-content: center;
  justify-items: start;
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
}

.eyebrow span {
  display: inline-block;
  margin-left: 18px;
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.eyebrow--light {
  color: var(--muted);
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 6vw, 86px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero__lead {
  margin: 30px 0 0;
  font-size: clamp(16px, 1.8vw, 26px);
  font-weight: 800;
  line-height: 1.35;
}

.hero__body {
  max-width: 600px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
  font-weight: 400;
}

/* SP専用の改行（540px以下でのみ有効） */
.br-sp {
  display: none;
}

.hero {
  position: relative;
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.scroll-line {
  display: block;
  width: 1px;
  height: 80px;
  background: rgba(255, 255, 255, 0.74);
  animation: line-draw 2s ease-in-out infinite;
}

.scroll-text {
  color: rgba(255, 255, 255, 0.74);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: nowrap;
}

@keyframes line-draw {
  0% {
    clip-path: inset(0 0 100% 0);
  }
  100% {
    clip-path: inset(0 0 0 0);
  }
}

.vision {
  position: relative;
  background: var(--white);
  padding-top: 80px;
}

.vision__inner {
  min-height: clamp(520px, 68vh, 720px);
  width: min(calc(100% - var(--gutter) * 2), 980px);
  margin-inline: auto;
  display: grid;
  align-items: center;
  justify-items: center;
  text-align: center;
}

.vision__content {
  width: min(100%, 720px);
  margin-top: -24px;
}

.vision .eyebrow {
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.vision h2,
.strategy h2,
.ecosystem h2,
.strengths h2,
.news h2,
.sustainability h2,
.footer-cta h2 {
  margin: 0;
  color: #4f5659;
  font-size: clamp(24px, 2vw, 31px);
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: 0.08em;
}

.vision p:last-child {
  max-width: 700px;
  margin: 22px 0 0;
  color: #6b6f70;
  font-size: clamp(14px, 1.12vw, 16px);
  font-weight: 400;
  line-height: 2.15;
  letter-spacing: 0.045em;
}

.strategy {
  padding: clamp(92px, 10vw, 148px) 0;
  background: var(--white);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 58px;
  text-align: center;
}

.strategy .section-heading {
  margin-inline: auto;
  text-align: center;
}

.section-heading--row {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 24px;
  align-items: start;
}

.section-heading--row > div {
  grid-column: 1;
  grid-row: 1 / 3;
}

.section-heading--row > a {
  grid-column: 2;
  grid-row: 2;
  align-self: end;
}

.section-heading p:not(.eyebrow) {
  margin: 22px 0 0;
  color: #6b6f70;
  font-size: clamp(14px, 1.12vw, 16px);
  font-weight: 400;
  line-height: 2.15;
  letter-spacing: 0.045em;
}

.strategy-steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  width: 100%;
  max-width: 100%;
}

.strategy-steps::before {
  content: "";
  position: absolute;
  left: 10%;
  right: 10%;
  top: 62px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #b9c5d6, transparent);
}

.strategy-step {
  position: relative;
  display: grid;
  justify-items: center;
  text-align: center;
  padding: 6px 10px 0;
}

.strategy-step__icon {
  position: relative;
  z-index: 1;
  width: 124px;
  height: 124px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--white);
  border: 2px solid color-mix(in srgb, var(--accent) 68%, white);
  border-radius: 50%;
  font-size: 42px;
  font-weight: 900;
  overflow: hidden;
}

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

.strategy-step h3 {
  margin: 22px 0 4px;
  color: var(--accent);
  font-size: 22px;
}

.strategy-step strong {
  color: var(--navy);
  font-size: 15px;
  font-weight: 500;
}

.strategy-step p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  word-break: keep-all;
}

.ecosystem {
  padding: clamp(88px, 9vw, 140px) 0 0;
  background: var(--white);
}

.ecosystem__intro {
  padding: 60px 0;
  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
}

.ecosystem__intro p:last-child {
  width: min(100%, 720px);
  margin: 26px auto 0;
  color: #6b6f70;
  font-size: clamp(14px, 1.12vw, 16px);
  font-weight: 400;
  line-height: 2.15;
  letter-spacing: 0.045em;
}

.ecosystem__scroll {
  display: grid;
  grid-template-columns: minmax(500px, 50%) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 58px);
  align-items: start;
}

.ecosystem__visual {
  position: sticky;
  top: calc(var(--header-height) + 32px);
  height: calc(100vh - var(--header-height) - 64px);
  min-height: 620px;
  display: grid;
  place-items: center;
}

.ecosystem-map {
  position: relative;
  width: min(100%, 620px);
  aspect-ratio: 1;
  margin-bottom: 86px;
  overflow: visible;
}

.ecosystem-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ecosystem-ring {
  fill: none;
  stroke: rgba(24, 73, 144, 0.22);
  stroke-width: 2;
}

.ecosystem-line {
  fill: none;
  stroke: rgba(4, 31, 74, 0.18);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-dasharray: var(--path-length, 1);
  stroke-dashoffset: var(--path-length, 1);
  transition: stroke 280ms ease, opacity 280ms ease, stroke-dashoffset 720ms cubic-bezier(.22, 1, .36, 1);
}

.ecosystem-hub {
  position: absolute;
  left: 50%;
  top: 50%;
  width: clamp(320px, 29vw, 410px);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: clamp(16px, 2vw, 26px);
  padding: clamp(38px, 3.4vw, 54px);
  color: var(--white);
  text-align: center;
  background: radial-gradient(circle at 45% 38%, #0d3a79, var(--navy) 58%, #021638 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  box-shadow: 0 22px 62px rgba(4, 31, 74, 0.18);
}

.ecosystem-hub__logo {
  width: min(72%, 260px);
  height: auto;
  object-fit: contain;
}

.ecosystem-hub strong {
  font-size: clamp(34px, 3.4vw, 48px);
  line-height: 1.15;
}

.ecosystem-hub__tagline {
  font-size: clamp(14px, 1.25vw, 18px);
  font-weight: 700;
  white-space: nowrap;
  opacity: 0.9;
}

.ecosystem-logo-item {
  --node-size: clamp(12px, 1.3vw, 16px);
  position: absolute;
  left: var(--x);
  top: var(--y);
  z-index: 2;
  color: var(--accent, var(--blue));
  pointer-events: none;
  transition: opacity 260ms ease;
}

.ecosystem-logo-node {
  position: absolute;
  width: var(--node-size);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--navy);
  background: var(--navy);
  border: 0;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(4, 31, 74, 0.16);
  transition: box-shadow 260ms ease, transform 260ms ease, background-color 420ms ease;
}


.ecosystem-logo-node img {
  display: block;
  max-width: none;
}

.logo-crop {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.logo-crop img {
  width: 104px;
  height: auto;
}

.logo-crop--ai img {
  width: 116px;
}

.logo-crop--execore img {
  width: 106px;
}

.logo-crop--untokoshow img {
  width: 80px;
}

.logo-crop--digitran img {
  width: 118px;
}

.orbit-brand-mark {
  width: 28px;
  height: 34px;
  flex: 0 0 auto;
}

.ecosystem-logo-label {
  display: none;
}

.ecosystem-logo-item--top {
  --x: 50%;
  --y: 14.7%;
  --accent: #0b62f1;
}

.ecosystem-logo-item--top .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--top .ecosystem-logo-label {
  left: 0;
  bottom: 58px;
  max-width: 196px;
  transform: translateX(-50%);
}

.ecosystem-logo-item--left {
  --x: 18.2%;
  --y: 35%;
  --accent: #245edb;
}

.ecosystem-logo-item--left .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--left .ecosystem-logo-label {
  right: 58px;
  top: 50%;
  max-width: 174px;
  transform: translateY(-50%);
}

.ecosystem-logo-item--right {
  --x: 81.8%;
  --y: 35%;
  --accent: #15978f;
}

.ecosystem-logo-item--right .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--right .ecosystem-logo-label {
  left: 58px;
  top: 50%;
  max-width: 188px;
  transform: translateY(-50%);
}

.ecosystem-logo-item--bottom-left {
  --x: 18.2%;
  --y: 65%;
  --accent: #7656d6;
}

.ecosystem-logo-item--bottom-left .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--bottom-left .ecosystem-logo-label {
  right: 58px;
  top: 36px;
  max-width: 176px;
}

.ecosystem-logo-item--bottom-right {
  --x: 81.8%;
  --y: 65%;
  --accent: #c81555;
}

.ecosystem-logo-item--bottom-right .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--bottom-right .ecosystem-logo-label {
  left: 58px;
  top: 36px;
  max-width: 170px;
}

.ecosystem-logo-item--bottom {
  --x: 50%;
  --y: 85.3%;
  --accent: #f06418;
}

.ecosystem-logo-item--bottom .ecosystem-logo-node {
  left: 0;
  top: 0;
  transform: translate(-50%, -50%);
}

.ecosystem-logo-item--bottom .ecosystem-logo-label {
  left: 0;
  top: 56px;
  max-width: 176px;
  transform: translateX(-50%);
}

.ecosystem-role {
  position: absolute;
  left: 50%;
  top: calc(100% - 40px);
  bottom: auto;
  width: max-content;
  max-width: 88%;
  margin: 0;
  padding: 10px 16px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(24, 73, 144, 0.22);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  transform: translateX(-50%);
}

.ecosystem-node {
  fill: var(--white);
  stroke: rgba(4, 31, 74, 0.24);
  stroke-width: 5;
  transform-box: fill-box;
  transform-origin: center;
  transition: fill 260ms ease, stroke 260ms ease, transform 260ms ease;
}

.ecosystem__cards {
  display: grid;
  gap: 18vh;
  padding: 12vh 0 18vh;
}

.company-card {
  --company-card-logo-gap: 20px;
  --company-card-role-gap: 14px;
  min-height: min(420px, 54vh);
  display: grid;
  align-content: center;
  padding: clamp(28px, 3.5vw, 40px);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(24, 73, 144, 0.12);
  border-radius: 8px;
  box-shadow: 0 16px 38px rgba(4, 31, 74, 0.06);
  transition: border-color 260ms ease, opacity 260ms ease, transform 260ms ease;
}

.company-card.is-muted {
  opacity: 0.46;
}

.company-card.is-active {
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  transform: translateY(-4px);
}

.company-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: var(--company-card-logo-gap);
}

.company-logo {
  min-height: 72px;
  display: flex;
  align-items: center;
  padding-top: 14px;
}

.company-logo img {
  width: auto;
  max-width: min(280px, 48vw);
  max-height: 72px;
  object-fit: contain;
}

.company-role {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  padding: 3px 10px;
  color: var(--white);
  background-color: var(--accent);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
}

.company-card__en {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 18px;
  font-weight: 900;
}

.company-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.25;
}

.company-card p:not(.company-card__en) {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  word-break: keep-all;
}

.company-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.company-card li {
  position: relative;
  padding-left: 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 400;
}

.company-card li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.company-card {
  min-height: min(280px, 36vh);
}

.company-card .company-card__header {
  margin-top: -16px;
  margin-bottom: var(--company-card-logo-gap);
}

.company-card .company-card__en {
  margin-top: var(--company-card-role-gap);
}

.company-card .company-logo {
  min-height: 88px;
  margin-left: 0;
  padding-top: 18px;
}

.company-card .company-logo img {
  max-height: 88px;
}

.company-card[data-ecosystem-card="internnect"] .company-logo {
  margin-left: 0;
}

.company-card[data-ecosystem-card="internnect"] .company-logo img {
  max-width: min(180px, 34vw);
  max-height: 60px;
}

.company-card[data-ecosystem-card="digitran"] .company-logo {
  margin-left: 0;
}

.company-card[data-ecosystem-card="digitran"] .company-logo img {
  max-width: min(180px, 34vw);
  max-height: 60px;
}

.company-card[data-ecosystem-card="interstella"] .company-logo img,
.company-card[data-ecosystem-card="execore"] .company-logo img,
.company-card[data-ecosystem-card="untokoshow"] .company-logo img {
  max-height: 100px;
}

.company-card[data-ecosystem-card="interstella"] .company-logo {
  margin-left: -10px;
}

.company-card[data-ecosystem-card="execore"] .company-logo,
.company-card[data-ecosystem-card="digitran"] .company-logo {
  justify-content: flex-start;
}

.company-card[data-ecosystem-card="execore"] .company-logo {
  margin-left: -34px;
}

.company-card[data-ecosystem-card="execore"] .company-logo img {
  max-height: 138px;
}

.company-card[data-ecosystem-card="internnect"] .company-logo img,
.company-card[data-ecosystem-card="digitran"] .company-logo img {
  max-width: min(214px, 38vw);
  max-height: 70px;
}

.company-card[data-ecosystem-card="digitran"] .company-logo img {
  max-width: min(268px, 44vw);
  max-height: 86px;
}

.company-card h3 {
  font-size: clamp(20px, 2.2vw, 28px);
}

.company-card p:not(.company-card__en) {
  margin-top: 10px;
}

.company-card ul {
  margin-top: 18px;
  row-gap: 4px;
}

.company-card a {
  margin-top: 18px;
}

.company-card a {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  color: var(--accent);
  font-weight: 900;
}

.company-card a:hover {
  text-decoration: underline;
}

.ecosystem[data-active-company="interstella"] .ecosystem-line[data-company="interstella"],
.ecosystem[data-active-company="internnect"] .ecosystem-line[data-company="internnect"],
.ecosystem[data-active-company="internnect-ai"] .ecosystem-line[data-company="internnect-ai"],
.ecosystem[data-active-company="execore"] .ecosystem-line[data-company="execore"],
.ecosystem[data-active-company="untokoshow"] .ecosystem-line[data-company="untokoshow"],
.ecosystem[data-active-company="digitran"] .ecosystem-line[data-company="digitran"] {
  stroke-dashoffset: 0;
  opacity: 1;
}

.ecosystem[data-active-company="interstella"] .ecosystem-line[data-company="interstella"],
.ecosystem[data-active-company="internnect"] .ecosystem-line[data-company="internnect"],
.ecosystem[data-active-company="internnect-ai"] .ecosystem-line[data-company="internnect-ai"],
.ecosystem[data-active-company="execore"] .ecosystem-line[data-company="execore"],
.ecosystem[data-active-company="untokoshow"] .ecosystem-line[data-company="untokoshow"],
.ecosystem[data-active-company="digitran"] .ecosystem-line[data-company="digitran"] {
  stroke: #ffeb3b;
}

.ecosystem[data-active-company] .ecosystem-logo-item {
  opacity: 1;
}

.ecosystem[data-active-company="group"] .ecosystem-logo-item,
.ecosystem[data-active-company="interstella"] .ecosystem-logo-item[data-company="interstella"],
.ecosystem[data-active-company="internnect"] .ecosystem-logo-item[data-company="internnect"],
.ecosystem[data-active-company="internnect-ai"] .ecosystem-logo-item[data-company="internnect-ai"],
.ecosystem[data-active-company="execore"] .ecosystem-logo-item[data-company="execore"],
.ecosystem[data-active-company="untokoshow"] .ecosystem-logo-item[data-company="untokoshow"],
.ecosystem[data-active-company="digitran"] .ecosystem-logo-item[data-company="digitran"] {
  opacity: 1;
}

.ecosystem[data-active-company="interstella"] .ecosystem-logo-item[data-company="interstella"] .ecosystem-logo-node,
.ecosystem[data-active-company="internnect"] .ecosystem-logo-item[data-company="internnect"] .ecosystem-logo-node,
.ecosystem[data-active-company="internnect-ai"] .ecosystem-logo-item[data-company="internnect-ai"] .ecosystem-logo-node,
.ecosystem[data-active-company="execore"] .ecosystem-logo-item[data-company="execore"] .ecosystem-logo-node,
.ecosystem[data-active-company="untokoshow"] .ecosystem-logo-item[data-company="untokoshow"] .ecosystem-logo-node,
.ecosystem[data-active-company="digitran"] .ecosystem-logo-item[data-company="digitran"] .ecosystem-logo-node {
  background: #ffeb3b;
  border: 1px solid rgba(24, 73, 144, 0.22);
  box-shadow: 0 14px 28px rgba(4, 31, 74, 0.24);
  transform: translate(-50%, -50%) scale(1.08);
}

.ecosystem[data-active-company] .ecosystem-node {
  transform: scale(1);
}

.ecosystem[data-active-company="interstella"] .ecosystem-node[data-company="interstella"],
.ecosystem[data-active-company="internnect"] .ecosystem-node[data-company="internnect"],
.ecosystem[data-active-company="internnect-ai"] .ecosystem-node[data-company="internnect-ai"],
.ecosystem[data-active-company="execore"] .ecosystem-node[data-company="execore"],
.ecosystem[data-active-company="untokoshow"] .ecosystem-node[data-company="untokoshow"],
.ecosystem[data-active-company="digitran"] .ecosystem-node[data-company="digitran"] {
  transform: scale(1.16);
}

.button-link,
.text-link {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--blue);
  border: 1px solid color-mix(in srgb, var(--blue) 46%, white);
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 900;
}

.text-link {
  border: 0;
  padding: 0;
}

.strengths {
  min-height: clamp(520px, 68vh, 720px);
  padding: 80px 0 60px;
  background: var(--white);
  display: grid;
  align-items: center;
}

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

.strengths h2 {
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.45;
}

.strengths .eyebrow {
  margin-bottom: 8px;
}

.strengths__heading {
  display: grid;
  gap: 12px;
  text-align: center;
  justify-self: center;
  width: 100%;
  max-width: 800px;
}

.strengths__heading .eyebrow {
  margin-bottom: 0;
  text-align: center;
}

.strengths__heading h2 {
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(128px, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
}

.stat-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-content: start;
  padding: 24px 22px;
  border-left: 1px solid #d9e2ee;
  text-align: center;
}

.stat-item:first-child {
  border-left: 0;
  padding-left: 22px;
}

.stat-icon-wrapper {
  display: grid;
  place-items: center;
}

.stat-item dt {
  display: grid;
  margin: 0;
}

.stat-icon {
  width: 42px;
  height: 42px;
  display: block;
}

.stat-item strong {
  color: var(--navy);
  font-size: clamp(22px, 2.1vw, 32px);
  font-weight: 900;
  line-height: 1;
  white-space: nowrap;
}

.stat-item dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.45;
}

.strengths__note {
  max-width: 100%;
  margin: 10px 0 0;
  font-size: 16px;
  font-weight: 400;
  line-height: 2.1;
}

.strengths__note-highlight {
  display: inline;
  padding: 8px 20px;
  color: var(--white);
  background: var(--navy);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.strengths__note strong {
  font-weight: 800;
  text-decoration: underline;
}

.strengths__note.reveal-item {
  opacity: 1;
  transform: none;
  transition: none;
}

.strengths__note.reveal-item.is-visible {
  animation: text-wipe 0.6s cubic-bezier(0.3, 0.7, 0.3, 1) 1800ms both;
}

@keyframes text-wipe {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

.news {
  padding: clamp(86px, 9vw, 132px) 0;
  background: var(--white);
}

.news-list {
  width: min(100%, 900px);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 24px;
  padding: 24px 32px 24px 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.news-item time {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.news-title {
  color: var(--navy);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
}

.news-category {
  display: inline-block;
  width: fit-content;
  padding: 4px 12px;
  color: var(--white);
  background: var(--navy);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.sustainability {
  padding: 0 0 70px;
  background: var(--white);
}

.sustainability__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.sustainability-card,
.contact-card {
  min-height: 276px;
  display: grid;
  align-content: end;
  padding: clamp(28px, 4vw, 44px);
  color: var(--white);
  border-radius: 8px;
}

.sustainability-card {
  background:
    linear-gradient(90deg, rgba(5, 62, 44, 0.88), rgba(5, 62, 44, 0.54)),
    linear-gradient(135deg, #124d3a, #8ac6af);
}

.contact-card {
  background:
    linear-gradient(135deg, #041f4a, #0a4a83 68%, #051833);
}

.sustainability-card h2,
.contact-card h2,
.footer-cta h2 {
  color: var(--white);
}

.sustainability-card p,
.contact-card p {
  max-width: 540px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.sustainability-card a,
.contact-card a {
  min-height: 44px;
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  font-weight: 900;
}

.contact-card div {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-cta {
  padding: 76px 0;
  color: var(--ink);
  background: var(--white);
}

.footer-cta__grid {
  display: grid;
  place-items: center;
}

.footer-cta-card {
  width: min(100%, 900px);
  padding: clamp(40px, 5vw, 60px);
  background: var(--navy);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  text-align: center;
  color: var(--white);
  margin-top: -40px;
}

.footer-cta-card p.eyebrow {
  color: #dce9ff;
}

.footer-cta-card h2 {
  color: var(--white);
  margin: 18px 0 0;
  font-size: clamp(24px, 2vw, 31px);
}

.footer-cta-card > p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(14px, 1.12vw, 16px);
  line-height: 1.8;
}

.footer-cta-card div {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-top: 28px;
}

.footer-cta-card a {
  display: inline-block;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--white);
  border-radius: 4px;
  padding: 7px 18px;
  font-size: 13px;
  transition: background 260ms ease, color 260ms ease;
}

.footer-cta-card a:hover {
  background: var(--navy);
  color: var(--white);
}

.button-link--light {
  margin-top: 26px;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.38);
}

.footer {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--white);
  background:
    radial-gradient(circle at 18% 14%, rgba(36, 94, 219, 0.24), transparent 35%),
    linear-gradient(135deg, #07101f 0%, #0b1525 52%, #07101d 100%);
  padding: 0;
}

.footer-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas: "brand" "nav";
  gap: 126px;
  width: calc(100% - 120px);
  margin: 0 auto;
  padding: 96px 0 80px;
  align-items: start;
}

.footer-brand {
  grid-area: brand;
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-top: 0;
}

.footer-logo {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  color: var(--white);
}

.footer-logo-mark {
  width: clamp(156px, 17vw, 220px);
  height: 38px;
  flex-basis: clamp(156px, 17vw, 220px);
  background-position: left center;
}

.footer-catchcopy {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-catchcopy-ja {
  margin: 0;
  color: var(--white);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.01em;
}

.footer-catchcopy-en {
  margin: 0;
  color: rgba(255, 255, 255, 0.36);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.035em;
}

.footer-nav-area {
  grid-area: nav;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 80px;
  margin-top: -60px;
}

.footer-nav-group {
  min-height: 220px;
  padding: 0;
  border: 0;
}

.footer-nav-group h4 {
  margin: 0 0 28px;
  padding-bottom: 20px;
  color: var(--white);
  border-bottom: 1px solid rgba(167, 189, 218, 0.18);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.footer-nav-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-nav-group a {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-nav-group a:hover {
  color: var(--white);
}

.footer-bottom {
  position: relative;
  z-index: 1;
  width: calc(100% - 120px);
  margin: 0 auto;
  padding: 36px 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(167, 189, 218, 0.18);
}

.footer-copyright {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.footer-privacy {
  color: rgba(255, 255, 255, 0.48);
  font-size: 12px;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-privacy:hover {
  color: rgba(255, 255, 255, 0.75);
}

:focus-visible {
  outline: 3px solid #8bb7ff;
  outline-offset: 4px;
}

/* Reveal animations */
@keyframes reveal-fade-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero section text */
.hero__inner > .reveal-item:nth-child(1) { transition-delay: 0ms; }
.hero__inner > .reveal-item:nth-child(2) { transition-delay: 200ms; }
.hero__inner > .reveal-item:nth-child(3) { transition-delay: 400ms; }
.hero__inner > .reveal-item:nth-child(4) { transition-delay: 600ms; }

/* Vision section text */
.vision__content > .reveal-item:nth-child(1) { transition-delay: 0ms; }
.vision__content > .reveal-item:nth-child(2) { transition-delay: 400ms; }
.vision__content > .reveal-item:nth-child(3) { transition-delay: 800ms; }

/* Strategy section text then cards */
.strategy .section-heading > .reveal-item:nth-child(1) { transition-delay: 0ms; }
.strategy .section-heading > .reveal-item:nth-child(2) { transition-delay: 200ms; }
.strategy .section-heading > .reveal-item:nth-child(3) { transition-delay: 400ms; }

.strategy-steps > .reveal-item:nth-child(1) { transition-delay: 800ms; }
.strategy-steps > .reveal-item:nth-child(2) { transition-delay: 900ms; }
.strategy-steps > .reveal-item:nth-child(3) { transition-delay: 1000ms; }
.strategy-steps > .reveal-item:nth-child(4) { transition-delay: 1100ms; }

/* Ecosystem section text then cards */
.ecosystem__intro > .reveal-item { transition-delay: 0ms; }
.ecosystem__intro > .reveal-item:nth-child(2) { transition-delay: 200ms; }
.ecosystem__intro > .reveal-item:nth-child(3) { transition-delay: 400ms; }

.company-card.reveal-item:nth-child(1) { transition-delay: 800ms; }
.company-card.reveal-item:nth-child(2) { transition-delay: 900ms; }
.company-card.reveal-item:nth-child(3) { transition-delay: 1000ms; }
.company-card.reveal-item:nth-child(4) { transition-delay: 1100ms; }
.company-card.reveal-item:nth-child(5) { transition-delay: 1200ms; }
.company-card.reveal-item:nth-child(6) { transition-delay: 1300ms; }

/* Strengths section heading then items */
.strengths__heading > .reveal-item:nth-child(1) { transition-delay: 0ms; }
.strengths__heading > .reveal-item:nth-child(2) { transition-delay: 200ms; }

.stats > .reveal-item:nth-child(1) { transition-delay: 700ms; }
.stats > .reveal-item:nth-child(2) { transition-delay: 800ms; }
.stats > .reveal-item:nth-child(3) { transition-delay: 900ms; }
.stats > .reveal-item:nth-child(4) { transition-delay: 1000ms; }
.stats > .reveal-item:nth-child(5) { transition-delay: 1100ms; }

.strengths__note.reveal-item { transition-delay: 1800ms; }

/* News section heading then cards */
.news .section-heading > .reveal-item:nth-child(1) { transition-delay: 0ms; }
.news .section-heading > .reveal-item:nth-child(2) { transition-delay: 200ms; }

.stats > .reveal-item:nth-child(1) { transition-delay: 700ms; }
.stats > .reveal-item:nth-child(2) { transition-delay: 800ms; }
.stats > .reveal-item:nth-child(3) { transition-delay: 900ms; }
.stats > .reveal-item:nth-child(4) { transition-delay: 1000ms; }
.stats > .reveal-item:nth-child(5) { transition-delay: 1100ms; }

.strengths__note.reveal-item { transition-delay: 1800ms; }

/* Ecosystem visual reveal */
.ecosystem__visual {
  opacity: 0;
  transition: opacity 1400ms ease;
}

.ecosystem__visual.is-visible {
  opacity: 1;
}

@media (max-width: 1100px) {
  .site-nav {
    display: none;
  }

  .floating-menu-btn {
    display: block;
    flex: 0 0 auto;
  }

  .floating-menu-btn span {
    height: 1px;
    background: currentColor;
  }

  .floating-menu-btn span:nth-child(2) {
    top: 14px;
    transform: translateX(-50%);
  }

  body:not(.contact-page-body):not(.privacy-page-body) .site-header:not(.is-scrolled) .floating-menu-btn span {
    background: var(--white);
  }

  .site-header.is-scrolled .floating-menu-btn span {
    background: currentColor;
  }

  body.menu-open .floating-menu-btn span:nth-child(1) {
    top: 50%;
    transform: translateX(-50%) translateY(-50%) rotate(45deg);
  }

  body.menu-open .floating-menu-btn span:nth-child(2) {
    opacity: 0;
  }

  body.menu-open .floating-menu-btn span:nth-child(3) {
    top: 50%;
    bottom: auto;
    transform: translateX(-50%) translateY(-50%) rotate(-45deg);
  }

  .header-contact {
    display: none;
  }

  .site-menu {
    display: block;
  }

  .site-header__inner {
    justify-content: space-between;
  }

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

  .ecosystem__visual {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
    padding: 30px 0 10px;
  }

  .ecosystem-map {
    width: min(100%, 520px);
    margin-bottom: 72px;
  }

  .ecosystem-hub {
    width: 260px;
  }

  .ecosystem-logo-item {
    --node-size: 14px;
  }

  .ecosystem-logo-label {
    max-width: 148px;
    max-height: 44px;
  }

  .ecosystem-logo-item--left .ecosystem-logo-label,
  .ecosystem-logo-item--bottom-left .ecosystem-logo-label {
    right: 52px;
  }

  .ecosystem-logo-item--right .ecosystem-logo-label,
  .ecosystem-logo-item--bottom-right .ecosystem-logo-label {
    left: 52px;
  }

  .ecosystem__cards {
    gap: 26px;
    padding: 34px 0 64px;
  }

  .company-card {
    min-height: auto;
  }

  .strengths__inner,
  .sustainability__grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    width: calc(100% - 64px);
    gap: 42px;
    padding: 64px 0 48px;
  }

  .footer-nav-area {
    gap: 28px;
    margin-top: 0;
  }

  .footer-nav-group {
    min-height: 0;
  }

  .footer-nav-group h4 {
    margin-bottom: 22px;
    padding-bottom: 16px;
  }

  .footer-nav-group ul {
    gap: 16px;
  }

  .footer-bottom {
    width: calc(100% - 64px);
  }

  .strengths__heading {
    display: grid;
    gap: 8px;
  }

  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .stat-item:nth-child(4) {
    border-left: 0;
    padding-left: 0;
  }

  .strengths__note {
    max-width: none;
  }

  .scroll-cue {
    display: none;
  }
}

@media (max-width: 540px) {
  :root {
    --header-height: 64px;
    --gutter: 22px;
  }

  .site-header__inner {
    width: min(calc(100% - 28px), 1360px);
  }

  .brand {
    font-size: 12px;
  }

  .brand__mark--header {
    width: 146px;
    height: 28px;
    flex-basis: 146px;
  }

  .header-contact {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 12px;
  }

  .hero {
    min-height: 92vh;
  }

  .hero__image {
    object-position: 60% center;
  }

  .hero__shade {
    background:
      linear-gradient(180deg, rgba(2, 15, 39, 0.88), rgba(2, 15, 39, 0.34) 54%, rgba(2, 15, 39, 0.78)),
      linear-gradient(90deg, rgba(2, 15, 39, 0.68), rgba(2, 15, 39, 0.22));
  }

  .hero__inner {
    min-height: 92vh;
    align-content: center;
    padding-top: calc(var(--header-height) + 34px);
    padding-bottom: 34px;
  }

  .hero h1 {
    font-size: clamp(32px, 10vw, 44px);
    line-height: 1.3;
  }

  .hero__lead {
    margin-top: 28px;
    text-align: left;
    line-height: 1.7;
  }

  .hero__body {
    margin-top: 28px;
    text-align: left;
    font-size: 12px;
    line-height: 2.1;
  }

  .br-sp {
    display: inline;
  }

  .vision__inner {
    min-height: auto;
    padding: 96px 0 104px;
    justify-items: start;
  }

  .vision__content {
    margin-top: 0;
  }

  .strategy h2,
  .ecosystem h2,
  .news h2,
  .sustainability h2,
  .footer-cta h2 {
    font-size: clamp(28px, 9vw, 40px);
  }

  .strengths h2 {
    font-size: clamp(21px, 6vw, 28px);
  }

  .vision h2,
  .strategy h2,
  .ecosystem h2,
  .news h2,
  .sustainability h2,
  .footer-cta h2 {
    text-align: left;
    font-size: clamp(22px, 6vw, 28px);
    line-height: 1.72;
    letter-spacing: 0.06em;
  }

  .section-heading p,
  .ecosystem__intro p:last-child,
  .news p:last-child,
  .sustainability p:last-child,
  .footer-cta p:last-child {
    text-align: left;
    margin-top: 32px !important;
    font-size: 14px;
    line-height: 2.05;
    letter-spacing: 0.035em;
  }

  .vision p:last-child {
    text-align: left;
    margin-top: 32px !important;
    font-size: 14px;
    line-height: 2.05;
    letter-spacing: 0.035em;
  }

  .strategy {
    padding: 82px 0;
  }

  .section-heading {
    margin-bottom: 38px;
    text-align: left;
  }

  .eyebrow {
    text-align: left;
  }

  .section-heading--row {
    align-items: start;
  }

  .strategy-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .strategy-steps::before {
    left: 54px;
    right: auto;
    top: 40px;
    bottom: 40px;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent, #b9c5d6, transparent);
  }

  .strategy-step {
    grid-template-columns: 92px 1fr;
    justify-items: start;
    gap: 16px;
    text-align: left;
  }

  .strategy-step__icon {
    grid-row: span 3;
    width: 82px;
    height: 82px;
    font-size: 30px;
    justify-self: center;
    align-self: center;
  }

  .strategy-step h3 {
    margin: 0;
  }

  .strategy-step p {
    margin-top: 4px;
  }

  .ecosystem {
    padding-top: 84px;
  }

  .ecosystem__intro {
    min-height: auto;
    padding-bottom: 36px;
  }

  .ecosystem__scroll {
    width: calc(100% - 44px);
    min-width: 0;
    justify-items: center;
  }

  .ecosystem__visual {
    width: 100%;
    justify-items: center;
    opacity: 1;
  }

  .ecosystem-map {
    width: min(100%, 360px);
    margin: 0 auto 66px;
  }

  .ecosystem-hub {
    width: min(58vw, 218px);
    gap: 10px;
    padding: 24px;
  }

  .ecosystem-logo-item {
    --node-size: 13px;
  }

  .ecosystem-logo-item--left,
  .ecosystem-logo-item--bottom-left {
    --x: 18.2%;
  }

  .ecosystem-logo-item--right,
  .ecosystem-logo-item--bottom-right {
    --x: 81.8%;
  }

  .ecosystem-logo-label {
    display: none;
  }

  .logo-crop {
    width: 30px;
    height: 30px;
  }

  .logo-crop img {
    width: 84px;
  }

  .logo-crop--ai img {
    width: 92px;
  }

  .logo-crop--execore img {
    width: 86px;
  }

  .logo-crop--untokoshow img {
    width: 66px;
  }

  .logo-crop--digitran img {
    width: 94px;
  }

  .orbit-brand-mark {
    width: 22px;
    height: 28px;
  }

  .ecosystem-hub__logo {
    width: 150px;
  }

  .ecosystem-hub strong {
    font-size: 23px;
    line-height: 1.18;
  }

  .ecosystem-hub__tagline {
    display: block;
    font-size: 12px;
    line-height: 1.4;
    white-space: normal;
  }

  .ecosystem-role {
    top: calc(100% + 14px);
    bottom: auto;
    font-size: 12px;
    text-align: center;
  }

  .section-heading--row {
    display: grid;
  }

  .company-card__header,
  .section-heading--row {
    display: grid;
  }

  .ecosystem__cards,
  .company-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .company-card {
    --company-card-logo-gap: 12px;
    --company-card-role-gap: 12px;
    padding: 26px 22px;
    overflow: hidden;
  }

  .company-card .company-card__header {
    margin-top: 0;
    margin-bottom: var(--company-card-logo-gap);
  }

  .company-card .company-logo {
    min-width: 0;
    min-height: 58px;
    margin-left: 0;
    padding-top: 14px;
  }

  .company-card .company-logo img,
  .company-logo img {
    max-width: 100%;
    max-height: 58px;
  }

  .company-card[data-ecosystem-card="internnect"] .company-logo img {
    max-width: 100%;
    max-height: 20px;
  }

  .company-card[data-ecosystem-card="digitran"] .company-logo img {
    max-width: 100%;
    max-height: 20px;
  }

  .company-card[data-ecosystem-card="interstella"] .company-logo img,
  .company-card[data-ecosystem-card="execore"] .company-logo img,
  .company-card[data-ecosystem-card="untokoshow"] .company-logo img {
    max-height: 66px;
  }

  .company-card[data-ecosystem-card="interstella"] .company-logo {
    margin-left: -8px;
  }

  .company-card[data-ecosystem-card="execore"] .company-logo,
  .company-card[data-ecosystem-card="digitran"] .company-logo {
    justify-content: flex-start;
  }

  .company-card[data-ecosystem-card="execore"] .company-logo {
    margin-left: -26px;
  }

  .company-card[data-ecosystem-card="execore"] .company-logo img {
    max-height: 90px;
  }

  .company-card[data-ecosystem-card="internnect"] .company-logo img,
  .company-card[data-ecosystem-card="digitran"] .company-logo img {
    max-height: 24px;
  }

  .company-card[data-ecosystem-card="digitran"] .company-logo img {
    max-height: 34px;
  }

  .company-card__en {
    text-align: left;
    font-size: 14px;
    white-space: normal;
  }

  .company-card h3,
  .company-card p,
  .company-card li,
  .company-role {
    overflow-wrap: anywhere;
  }

  .company-role {
    width: fit-content;
    max-width: 100%;
    flex-shrink: 0;
    justify-self: start;
    margin-top: 0;
    margin-bottom: var(--company-card-role-gap);
  }

  .company-card ul {
    grid-template-columns: 1fr;
  }

  .strengths {
    padding: 30px 0 34px;
  }

  .strengths__inner {
    gap: 22px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    min-height: 70px;
    padding: 18px 14px;
    border-left: 0;
    border-top: 0;
  }

  .stat-item:nth-child(even) {
    border-left: 1px solid #d9e2ee;
  }

  .stat-item:nth-child(n + 3) {
    border-top: 1px solid #d9e2ee;
  }

  .stat-item:last-child {
    grid-column: 1 / -1;
  }

  .stat-item:first-child,
  .stat-item:nth-child(4) {
    padding-left: 14px;
  }

  .stat-icon {
    width: 38px;
    height: 38px;
  }

  .strengths__note {
    background: none;
    padding: 0;
    line-height: 2.3;
  }

  .strengths__note-highlight {
    display: inline;
    padding: 6px 18px;
  }

  .strengths__note-highlight,
  .strengths__note {
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
  }

  .sustainability-card,
  .contact-card {
    min-height: 300px;
  }

  .footer {
    min-height: 0;
    overflow: visible;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    grid-template-areas: "brand" "nav";
    width: calc(100% - 40px);
    padding: 88px 0 38px;
    gap: 40px;
  }

  .footer-brand {
    gap: 26px;
    padding-top: 0;
  }

  .footer-logo-mark {
    width: 156px;
    height: 30px;
    flex-basis: 156px;
  }

  .footer-catchcopy-ja {
    font-size: 13px;
    line-height: 1.65;
  }

  .footer-catchcopy-en {
    font-size: 11px;
    line-height: 1.65;
  }

  .footer-nav-area {
    grid-template-columns: 1fr;
    gap: 4px;
    padding-top: 0;
    margin-top: 0;
  }

  .footer-nav-group,
  .footer-nav-group:first-child,
  .footer-nav-group:last-child {
    min-height: 0;
    padding: 26px 0;
    border-left: 0;
    border-top: 1px solid rgba(167, 189, 218, 0.16);
  }

  .footer-nav-group:first-child {
    padding-top: 26px;
  }

  .footer-nav-group h4 {
    margin-bottom: 18px;
    padding-bottom: 0;
    border-bottom: 0;
    font-size: 13px;
  }

  .footer-nav-group ul {
    gap: 14px;
  }

  .footer-nav-group a {
    font-size: 12px;
    line-height: 1.65;
  }

  .footer-bottom {
    width: calc(100% - 40px);
    padding: 22px 0 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-copyright,
  .footer-privacy {
    font-size: 11px;
  }
}

/* Contact & Privacy Pages */
body.contact-page-body:not(.menu-open) .site-header,
body.privacy-page-body:not(.menu-open) .site-header {
  color: var(--navy);
}

.contact-page {
  display: grid;
  grid-template-columns: 38% 62%;
  grid-template-rows: auto auto;
  align-content: center;
  min-height: calc(100vh - 72px);
  padding-top: 140px;
  margin-top: -72px;
  background: #f5f7fb;
}

.contact-page__left {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 56px 36px 12px 67px;
}

.contact-page__left .section-label {
  color: #041f4a;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.contact-page__heading {
  margin: 8px 0 14px;
  color: #0d1030;
  font-size: clamp(18px, 2.1vw, 30px);
  line-height: 1.4;
  font-weight: 300;
}

.contact-page__desc {
  margin-bottom: 20px;
  color: #555;
  font-size: 12px;
  line-height: 1.9;
}

.contact-info {
  margin-top: 0;
}

.contact-page__info {
  grid-column: 1;
  grid-row: 2;
  padding: 0 36px 56px 67px;
}

.contact-info__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0 12px;
  padding: 10px 0;
  border-top: 1px solid #e0eaf0;
}

.contact-info__icon {
  width: 26px;
  height: 26px;
  margin-top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid #c5d5e8;
  border-radius: 50%;
  color: #041f4a;
}

.contact-info__label {
  margin-bottom: 4px;
  color: #041f4a;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.contact-info__text {
  color: #444;
  font-size: 11px;
  line-height: 1.8;
}

.contact-info__text a {
  color: #444;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-info__sub-label {
  color: #041f4a;
  font-size: 9px;
  letter-spacing: 1px;
  font-weight: 700;
}

.contact-page__right {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 48px;
}

.contact-form-card {
  width: 100%;
  padding: 40px 44px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 40px rgba(4, 31, 74, 0.09);
}

.contact-form {
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 148px 1fr;
  align-items: start;
  gap: 0 16px;
  padding: 10px 0;
  border-top: 1px solid #eef1f6;
}

.form-row__label-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
}

.form-row__label {
  color: #0d1030;
  font-size: 12px;
  line-height: 1.4;
}

.form-row__required {
  flex-shrink: 0;
  color: #041f4a;
  font-size: 9px;
  letter-spacing: 0.5px;
  font-weight: 700;
}

.form-row__input {
  width: 100%;
  padding: 7px 12px;
  border: 1px solid #e0e8f0;
  border-radius: 5px;
  background: #f8fafc;
  color: #0d1030;
  font-family: Inter, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  font-size: 12px;
  outline: none;
  appearance: none;
  transition: border-color 0.2s, background 0.2s;
}

.form-row__input:focus {
  border-color: #041f4a;
  background: #fff;
}

.form-row__input::placeholder {
  color: #bcc5d0;
}

select.form-row__input {
  padding-right: 36px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23041f4a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-color: #f8fafc;
  cursor: pointer;
}

textarea.form-row__input {
  height: 68px;
  min-height: 68px;
  line-height: 1.7;
  resize: vertical;
}

.form-privacy {
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px solid #f0f4f8;
  color: #999;
  font-size: 10px;
  line-height: 1.85;
}

.form-privacy a {
  color: #041f4a;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-submit {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

.btn-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 15px 44px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(90deg, #041f4a 0%, #1a3b8a 100%);
  color: #fff;
  font-family: Inter, "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  font-size: 13px;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: opacity 0.2s, gap 0.2s;
}

.btn-submit:hover {
  opacity: 0.85;
  gap: 18px;
}

@media (max-width: 900px) {
  .contact-page {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 28px;
    align-content: start;
    min-height: 0;
    padding: calc(var(--header-height) + 48px) 22px 56px;
    margin-top: 0;
  }

  .contact-page__left,
  .contact-page__right,
  .contact-page__info {
    grid-column: 1;
    grid-row: auto;
    padding: 0;
  }

  .contact-page__left {
    order: 1;
    display: block;
  }

  .contact-page__right {
    order: 2;
    align-items: stretch;
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }

  .contact-page__info {
    order: 3;
  }

  .contact-page__heading {
    margin: 10px 0 18px;
    font-size: clamp(28px, 8vw, 38px);
    line-height: 1.35;
  }

  .contact-page__desc {
    margin-bottom: 0;
    font-size: 13px;
    line-height: 2;
  }

  .contact-form-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 24px 20px;
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(4, 31, 74, 0.07);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 8px;
    min-width: 0;
    padding: 14px 0;
  }

  .form-row__label-wrap {
    padding-top: 0;
  }

  .form-row__label {
    font-size: 12px;
  }

  .form-row__input {
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    font-size: 16px;
  }

  textarea.form-row__input {
    min-height: 120px;
  }

  .form-privacy {
    font-size: 11px;
    line-height: 1.8;
    overflow-wrap: anywhere;
  }

  .form-privacy br {
    display: none;
  }

  .btn-submit {
    min-width: 0;
    min-height: 52px;
    padding: 14px 32px;
  }

  .contact-info__item {
    grid-template-columns: 32px 1fr;
    padding: 18px 0;
  }
}

.privacy-page {
  padding: 100px 32px 96px;
  background: #f5f7fb;
}

.privacy-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 64px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 40px rgba(4, 31, 74, 0.07);
}

.privacy-header {
  margin-bottom: 36px;
}

.privacy-header .section-label {
  color: #041f4a;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.privacy-heading {
  margin: 10px 0 8px;
  color: #0d1030;
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.3;
  font-weight: 300;
}

.privacy-lead {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #eef1f6;
  color: #555;
  font-size: 13px;
  line-height: 2;
}

.privacy-section {
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid #eef1f6;
}

.privacy-section:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.privacy-section__title {
  margin-bottom: 12px;
  color: #0d1030;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.privacy-section__body {
  color: #555;
  font-size: 12px;
  line-height: 2;
}

.privacy-list {
  margin-top: 12px;
  padding: 0;
  list-style: none;
}

.privacy-list li {
  position: relative;
  padding-left: 16px;
  color: #555;
  font-size: 12px;
  line-height: 1.9;
}

.privacy-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: #041f4a;
}

.privacy-contact {
  margin-top: 14px;
  padding: 16px 20px;
  border-radius: 8px;
  background: #f5f7fb;
  color: #444;
  font-size: 12px;
  line-height: 2;
}

.privacy-contact a {
  color: #041f4a;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.privacy-back {
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid #eef1f6;
}

.privacy-back__link {
  color: #041f4a;
  font-size: 12px;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.privacy-back__link:hover {
  opacity: 0.6;
}

.company-logo {
  background: none;
  color: transparent;
  font-size: 0;
}

.company-logo img {
  font-size: inherit;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .ecosystem-line {
    stroke-dashoffset: 0;
  }
}