:root {
  --ink: #17202a;
  --navy: #07192b;
  --deep: #0e2a3d;
  --steel: #e5e9ee;
  --line: #c8dce5;
  --muted: #65717d;
  --paper: #eef8fc;
  --soft: #e3f2f8;
  --copper: #a86a35;
  --teal: #3b9c9c;
  --green: #5b8f6b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Microsoft YaHei", Arial, sans-serif;
  letter-spacing: 0;
}

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

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 82px;
  padding: 0 4.5vw;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(7, 25, 43, 0.11);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 300px;
}

.brand-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
}

.brand small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 28px);
  margin-left: clamp(30px, 4vw, 72px);
}

.main-nav a {
  color: #233140;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.lang-switch {
  display: flex;
  margin-left: auto;
  border: 1px solid var(--line);
}

.lang-switch button {
  min-width: 48px;
  height: 34px;
  padding: 0 10px;
  color: var(--muted);
  background: #fff;
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.lang-switch button:last-child {
  border-right: 0;
}

.lang-switch .active {
  color: #fff;
  background: var(--navy);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 760px;
  height: 100vh;
  overflow: hidden;
  background: var(--navy);
}

.hero-map,
.hero-map img,
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-video {
  z-index: 0;
  object-fit: cover;
  opacity: 1;
  filter: none;
}

.hero-visual {
  display: block;
}

.hero-music {
  display: none;
}

.hero-music-toggle {
  position: absolute;
  z-index: 6;
  right: 28px;
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 132px;
  height: 46px;
  padding: 0 16px;
  color: #f4f8fb;
  background: rgba(2, 11, 19, 0.72);
  border: 1px solid rgba(95, 184, 224, 0.48);
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
}

.hero-music-toggle:hover {
  background: rgba(11, 34, 51, 0.82);
  border-color: rgba(95, 184, 224, 0.78);
}

.music-icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: #71c7ea;
  font-size: 18px;
  line-height: 1;
}

.music-label {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero-map {
  z-index: 1;
  object-fit: cover;
  opacity: 0;
  mix-blend-mode: normal;
}

.hero > :not(.hero-video):not(.hero-music):not(.hero-music-toggle) {
  display: none !important;
}

.clean-hero > :not(.hero-video):not(.hero-music):not(.hero-music-toggle) {
  display: none !important;
}

.hero-map[hidden],
.trade-routes[hidden],
.hero-shade[hidden],
.hero-content[hidden],
.hero-proof[hidden] {
  display: none !important;
}

.hero-map img {
  object-fit: cover;
  opacity: 0;
  filter: contrast(1.03) saturate(0.82);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(90deg, rgba(7, 25, 43, 0.82), rgba(7, 25, 43, 0.48)),
    linear-gradient(180deg, rgba(7, 25, 43, 0.16), rgba(7, 25, 43, 0.72));
}

.trade-routes {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0.72;
  pointer-events: none;
}

.route {
  position: absolute;
  left: 49%;
  top: 50%;
  width: 260px;
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.95), rgba(59,156,156,0.08));
  transform-origin: left center;
  opacity: 0.8;
}

.route::after {
  content: "";
  position: absolute;
  right: 0;
  top: -4px;
  width: 9px;
  height: 9px;
  background: #f7fbff;
  box-shadow: 0 0 18px rgba(255,255,255,0.9);
}

.port {
  position: absolute;
  z-index: 2;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 6px rgba(255,255,255,0.14), 0 0 24px rgba(255,255,255,0.9);
}

.port-japan {
  left: 66%;
  top: 36%;
}

.port-korea {
  left: 61%;
  top: 32%;
}

.port-taiwan {
  left: 58%;
  top: 48%;
}

.port-thailand {
  left: 49%;
  top: 63%;
}

.port-myanmar {
  left: 44%;
  top: 58%;
}

.route-korea {
  left: 66%;
  top: 37%;
  width: 110px;
  transform: rotate(-34deg);
}

.route-taiwan {
  left: 66%;
  top: 38%;
  width: 170px;
  transform: rotate(150deg);
}

.route-thailand {
  left: 66%;
  top: 38%;
  width: 290px;
  transform: rotate(145deg);
}

.route-myanmar {
  left: 66%;
  top: 38%;
  width: 330px;
  transform: rotate(156deg);
}

.hero-content {
  position: absolute;
  z-index: 4;
  top: 51%;
  left: 6.5vw;
  width: min(780px, 57vw);
  color: #fff;
  transform: translateY(-50%);
}

.clean-hero {
  min-height: 720px;
}

.hero-centered {
  left: 50%;
  width: min(920px, calc(100% - 44px));
  text-align: center;
  transform: translate(-50%, -50%);
}

.hero-centered .lead {
  margin-right: auto;
  margin-left: auto;
}

.hero-centered .hero-actions {
  justify-content: center;
}

.eyebrow,
.section-kicker,
.section-head span,
.network-copy span {
  display: inline-block;
  color: #aab8c5;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 22px 0 24px;
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(52px, 6.4vw, 92px);
  font-weight: 500;
  line-height: 1.1;
}

.lead {
  max-width: 700px;
  margin: 0;
  color: #e7edf3;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.btn {
  display: grid;
  place-items: center;
  min-width: 174px;
  height: 54px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 900;
}

.btn-primary {
  color: var(--navy);
  background: #fff;
}

.btn-secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}

.hero-proof {
  position: absolute;
  z-index: 4;
  right: 5vw;
  bottom: 52px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: min(660px, 43vw);
}

.hero-proof figure {
  position: relative;
  height: 185px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
}

.hero-proof img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.hero-proof figcaption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 10px;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
  text-shadow: 0 4px 16px rgba(0,0,0,0.72);
}

.section {
  padding: 108px 7vw;
}

.intro {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) 1fr;
  gap: 7vw;
  align-items: start;
  background: #fff;
}

.intro h2,
.section-head h2,
.network-copy h2,
.language-panel h2,
.contact h2 {
  margin: 18px 0 0;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(32px, 3.9vw, 56px);
  font-weight: 500;
  line-height: 1.32;
}

.intro p,
.section-head p,
.language-panel p,
.contact p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 2.05;
}

.intro > p {
  margin-top: 48px;
}

.company-lead {
  max-width: 560px;
  margin: 26px 0 0;
  padding-left: 18px;
  color: var(--muted);
  border-left: 2px solid var(--premium-gold);
  font-size: 15px;
  line-height: 2;
}

.about-photo-pair {
  display: grid;
  grid-template-columns: 0.76fr 1.24fr;
  gap: 10px;
  aspect-ratio: 16 / 9;
  margin-top: 34px;
  overflow: hidden;
}

.about-photo-pair img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  border: 1px solid var(--line);
}

.about-photo-pair img:first-child {
  object-position: center 45%;
}

.about-photo-pair img:last-child {
  object-position: center 42%;
}

.company-summary {
  display: grid;
  gap: 24px;
}

.section-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
}

.section-image-wide {
  margin: 34px 0 24px;
  max-height: 420px;
}

.container-loading-image {
  aspect-ratio: 3 / 2;
  object-fit: contain;
  background: #eaf6fb;
}

.summary-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.summary-points span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 14px;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 12px;
  font-weight: 900;
}

.strengths {
  background: #fff;
}

.strength-grid,
.customer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.strength-grid article,
.customer-grid article {
  min-height: 240px;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--line);
}

.strength-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.strength-grid h3 {
  margin: 24px 0 14px;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 28px;
  font-weight: 500;
}

.strength-grid p,
.customer-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.customers {
  background: #fff;
}

.customer-grid strong {
  display: block;
  margin-bottom: 16px;
  color: var(--navy);
  font-size: 23px;
  font-weight: 900;
}

.catalog-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  margin-top: 28px;
  padding: 0 20px;
  color: #fff;
  background: var(--navy);
  font-size: 13px;
  font-weight: 900;
}

.catalog-link:hover {
  background: var(--deep);
}

.ash {
  background: var(--soft);
}

.product-story {
  background: #f5f5f7;
  padding: 110px 0 0;
}

.story-head {
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto 42px;
  text-align: center;
}

.story-head span {
  display: inline-block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.story-head h2 {
  margin: 18px auto 0;
  max-width: 900px;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 500;
  line-height: 1.12;
}

.story-head p {
  max-width: 760px;
  margin: 22px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.material-jump {
  position: sticky;
  z-index: 10;
  top: 82px;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
  overflow: visible;
  width: min(1120px, calc(100% - 44px));
  margin: 0 auto;
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(7, 25, 43, 0.08);
  border-bottom: 1px solid rgba(7, 25, 43, 0.1);
  backdrop-filter: blur(14px);
}

.material-jump a {
  min-width: 0;
  padding: 9px 8px;
  overflow: hidden;
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.material-stories {
  display: grid;
  gap: 12px;
  padding-top: 12px;
}

.sheet-stories {
  gap: 42px;
  padding: 24px 0 72px;
}

.material-sheet {
  width: min(1280px, calc(100% - 44px));
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 28px 80px rgba(7, 25, 43, 0.14);
  scroll-margin-top: 136px;
}

.datasheet-image-sheet {
  background: #06182a;
}

.datasheet-page-image {
  display: block;
  width: 100%;
  height: auto;
}

.sheet-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 94px;
  padding: 0 30px;
  color: #fff;
  background: linear-gradient(120deg, #06182a, #0c2338);
}

.sheet-titlebar h3 {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin: 0;
  font-size: clamp(25px, 3vw, 42px);
  line-height: 1.1;
}

.sheet-titlebar h3 span {
  color: #f0a22d;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 900;
}

.sheet-titlebar em {
  color: rgba(255,255,255,0.56);
  font-style: normal;
  font-weight: 400;
}

.sheet-titlebar div {
  flex: 0 0 auto;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.sheet-main {
  display: grid;
  grid-template-columns: 54% 46%;
  min-height: 610px;
}

.sheet-photo {
  margin: 0;
  background: #eceff2;
}

.sheet-photo img {
  width: 100%;
  height: 100%;
  min-height: 610px;
  object-fit: cover;
}

.sheet-summary {
  display: grid;
  align-content: center;
  gap: 0;
  padding: 24px 32px;
  background: linear-gradient(90deg, #fff, #f6f7f8);
}

.sheet-summary section {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 16px;
  padding: 21px 0;
  border-bottom: 1px solid #b9c2cc;
}

.sheet-summary section:last-child {
  border-bottom: 0;
}

.summary-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #e09425;
  border: 2px solid #e09425;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 900;
}

.sheet-summary h4 {
  margin: 0 0 8px;
  color: #0a1830;
  font-size: 18px;
  line-height: 1.35;
}

.sheet-summary p {
  margin: 4px 0 0;
  color: #152235;
  font-size: 14px;
  line-height: 1.55;
}

.sheet-language-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: 24px 28px 34px;
  background: linear-gradient(115deg, #fff, #f6f7f8);
}

.language-detail {
  min-height: 520px;
  padding: 0 26px;
  border-right: 1px solid #c7cfd7;
}

.language-detail:first-child {
  padding-left: 0;
}

.language-detail:last-child {
  padding-right: 0;
  border-right: 0;
}

.language-detail h4 {
  margin: 0 0 16px;
  padding-bottom: 8px;
  color: #0a1830;
  border-bottom: 1px solid #69798a;
  font-size: 24px;
  line-height: 1.2;
}

.language-detail b {
  display: block;
  margin-top: 16px;
  color: #0a1830;
  font-size: 16px;
  line-height: 1.35;
}

.language-detail p {
  margin: 7px 0 0;
  color: #142033;
  font-size: 14px;
  line-height: 1.55;
}

.composition-panel {
  padding: 22px 28px 24px;
  color: #fff;
  background: linear-gradient(120deg, #06182a, #0b2438);
}

.composition-panel h4 {
  margin: 0 0 14px;
  font-size: 19px;
  line-height: 1.4;
}

.composition-panel table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  border: 1px solid rgba(255,255,255,0.72);
}

.composition-panel th,
.composition-panel td {
  padding: 13px 8px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.46);
}

.composition-panel th strong {
  display: block;
  font-size: 18px;
}

.composition-panel th span {
  display: block;
  margin-top: 5px;
  color: #d7e0e9;
  font-size: 11px;
  line-height: 1.35;
}

.composition-panel td {
  font-size: 19px;
}

.composition-panel p {
  margin: 8px 0 0;
  color: #d7e0e9;
  font-size: 12px;
  line-height: 1.45;
}

.service-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding: 20px 28px 24px;
  color: #fff;
  background: linear-gradient(120deg, #06182a, #0b2438);
  border-top: 1px solid rgba(255,255,255,0.35);
}

.service-strip div {
  min-height: 106px;
  padding: 0 18px;
  text-align: center;
  border-right: 1px solid rgba(255,255,255,0.36);
}

.service-strip div:last-child {
  border-right: 0;
}

.service-strip span {
  display: block;
  color: #f0a22d;
  font-size: 34px;
  line-height: 1;
}

.service-strip strong {
  display: block;
  margin-top: 10px;
  font-size: 15px;
}

.service-strip small {
  display: block;
  margin-top: 5px;
  color: #d7e0e9;
  font-size: 12px;
  line-height: 1.45;
}

.material-feature {
  display: grid;
  grid-template-columns: minmax(340px, 0.88fr) minmax(420px, 1.12fr);
  gap: 5vw;
  align-items: center;
  min-height: calc(100vh - 82px);
  padding: 7vw;
  scroll-margin-top: 136px;
  background: #fff;
}

.material-feature.tone-dark {
  color: #fff;
  background: linear-gradient(145deg, #07192b, #132b36);
}

.material-copy {
  max-width: 610px;
}

.material-code {
  display: inline-block;
  color: var(--copper);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.tone-dark .material-code {
  color: #e0a85d;
}

.material-copy h3 {
  margin: 18px 0 0;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(54px, 7vw, 104px);
  font-weight: 500;
  line-height: 1;
}

.tone-dark .material-copy h3 {
  color: #fff;
}

.material-copy p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.8;
}

.tone-dark .material-copy p {
  color: #d7e0e7;
}

.name-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 34px 0 0;
}

.name-stack div {
  min-width: 0;
  padding: 16px;
  background: #f5f7f9;
  border: 1px solid var(--line);
}

.tone-dark .name-stack div {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.18);
}

.name-stack dt {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tone-dark .name-stack dt {
  color: #aebdc8;
}

.name-stack dd {
  margin: 0;
  color: var(--navy);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.tone-dark .name-stack dd {
  color: #fff;
}

.catalog-spec {
  display: grid;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: #fff;
}

.catalog-spec div {
  display: grid;
  grid-template-columns: 160px 1fr;
  min-height: 58px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.catalog-spec b,
.catalog-spec span {
  display: flex;
  align-items: center;
  padding: 13px 15px;
  line-height: 1.55;
}

.catalog-spec b {
  color: var(--navy);
  background: #eef2f5;
  font-size: 12px;
  font-weight: 900;
}

.catalog-spec span {
  color: #35424f;
  font-size: 13px;
  font-weight: 700;
}

.tone-dark .catalog-spec {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
}

.tone-dark .catalog-spec div {
  border-color: rgba(255,255,255,0.18);
}

.tone-dark .catalog-spec b {
  color: #fff;
  background: rgba(255,255,255,0.11);
}

.tone-dark .catalog-spec span {
  color: #dce5ec;
}

.material-visual {
  display: grid;
  place-items: center;
  min-height: 540px;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 32%, rgba(255,255,255,0.95), rgba(232,236,240,0.8) 44%, rgba(211,218,224,0.7) 100%);
  border-radius: 8px;
}

.tone-dark .material-visual {
  background:
    radial-gradient(circle at 50% 30%, rgba(255,255,255,0.2), rgba(255,255,255,0.06) 42%, rgba(255,255,255,0.02) 100%);
}

.material-visual img {
  width: min(720px, 88%);
  max-height: 560px;
  object-fit: contain;
  filter: saturate(0.96) contrast(1.02);
}

.section-head {
  display: grid;
  grid-template-columns: 250px minmax(320px, 1fr) minmax(260px, 0.65fr);
  gap: 4vw;
  align-items: start;
  margin-bottom: 48px;
}

.section-head h2 {
  margin-top: 0;
}

.section-head p {
  margin-top: 4px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.core-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.materials {
  background: var(--soft);
}

.product-card {
  display: grid;
  grid-template-rows: 230px 1fr;
  min-height: 430px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
}

.core-grid .product-card {
  grid-template-rows: 260px 1fr;
  min-height: 520px;
}

.core-grid .product-card h3 {
  font-size: 34px;
}

.support-materials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.support-materials span,
.support-materials a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.support-materials span {
  color: #fff;
  background: var(--navy);
  border-color: var(--navy);
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.04);
}

.product-card div {
  padding: 26px;
}

.product-card small {
  color: var(--copper);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-card h3 {
  margin: 14px 0 14px;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 30px;
  font-weight: 500;
}

.product-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.catalog-card {
  grid-template-rows: 148px auto;
  min-height: 0;
}

.catalog-card img {
  background: #f4f6f8;
  object-fit: contain;
  padding: 8px;
}

.catalog-card div {
  padding: 16px;
}

.trilingual-name {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  font-family: inherit;
}

.trilingual-name span {
  display: block;
  line-height: 1.2;
}

.trilingual-name .name-ja {
  color: var(--navy);
  font-size: 20px;
  font-weight: 900;
}

.trilingual-name .name-zh {
  color: #2f5c5c;
  font-size: 17px;
  font-weight: 900;
}

.trilingual-name .name-en {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.network {
  display: grid;
  grid-template-columns: 54% 46%;
  min-height: 680px;
  background: var(--navy);
  color: #fff;
}

.network-image {
  position: relative;
  overflow: hidden;
}

.network-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.86;
}

.network-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7vw;
  background: linear-gradient(145deg, var(--deep), #102b2f);
}

.network-copy h2 {
  color: #fff;
}

.network-copy p {
  margin: 30px 0 0;
  color: #d5dde5;
  font-size: 15px;
  line-height: 2;
}

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.region-list span {
  padding: 11px 16px;
  color: #fff;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 13px;
  font-weight: 900;
}

.gallery {
  background: #fff;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 250px;
  gap: 16px;
}

.gallery-item {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--steel);
}

.gallery-item.large {
  grid-column: span 2;
  grid-row: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.03);
  transition: transform 0.35s ease;
}

.gallery-item:hover img {
  transform: scale(1.035);
}

.gallery-item figcaption {
  position: absolute;
  left: 18px;
  bottom: 16px;
  padding: 8px 12px;
  color: #fff;
  background: rgba(7,25,43,0.72);
  font-size: 13px;
  font-weight: 900;
}

.languages {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 7vw;
  align-items: center;
  background: linear-gradient(135deg, #f7f8fa, #edf2ef);
}

.language-cards {
  display: grid;
  gap: 12px;
}

.language-cards article {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  padding: 24px;
  color: var(--navy);
  background: #fff;
  border-left: 4px solid var(--teal);
}

.language-cards article:nth-child(2) {
  border-left-color: var(--copper);
}

.language-cards article:nth-child(3) {
  border-left-color: var(--green);
}

.language-cards strong {
  font-size: 24px;
}

.language-cards span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact {
  display: grid;
  grid-template-columns: 1fr 430px;
  gap: 7vw;
  align-items: start;
  background: #fff;
}

.contact-image {
  align-self: start;
  aspect-ratio: 3 / 2;
  margin: 0;
  overflow: hidden;
  background: #e4edf1;
  border: 1px solid rgba(7, 25, 43, 0.12);
  border-top: 3px solid var(--copper);
  box-shadow: 0 18px 44px rgba(7, 25, 43, 0.12);
}

.contact-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact h2 {
  margin-top: 22px;
  font-size: clamp(30px, 3.5vw, 50px);
}

.contact-box {
  display: grid;
  align-self: stretch;
  overflow: hidden;
  background: linear-gradient(145deg, #06182a 0%, #0b2b42 58%, #103e56 100%);
  border: 1px solid rgba(131, 199, 221, 0.34);
  border-top: 3px solid var(--premium-blue);
  box-shadow: 0 24px 56px rgba(7, 25, 43, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.contact-box p,
.contact-box a {
  display: block;
  margin: 0;
  padding: 24px;
  border-bottom: 1px solid rgba(180, 221, 235, 0.16);
}

.contact-box p:last-child,
.contact-box a:last-child {
  border-bottom: 0;
}

.contact-box small {
  display: block;
  margin-bottom: 8px;
  color: var(--premium-blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-box strong {
  display: block;
  color: #f4fbff;
  font-size: 17px;
  line-height: 1.7;
}

.contact-box a {
  transition: background 220ms ease, padding 220ms ease;
}

.contact-box a:hover {
  padding-left: 30px;
  background: rgba(131, 199, 221, 0.1);
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 42px 7vw;
  color: #fff;
  background: #07131e;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

footer p {
  color: #9aa8b6;
  font-size: 11px;
}

.philosophy {
  background: #fff;
}

#philosophy,
#recruitment {
  scroll-margin-top: 100px;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5vw;
  align-items: stretch;
}

.philosophy-image-stack {
  display: grid;
  align-self: start;
  gap: 18px;
  width: min(88%, 520px);
  margin: 0 auto;
}

.philosophy-grid > .section-head {
  display: block;
  margin-bottom: 0;
}

.philosophy-grid > .section-head p {
  max-width: 640px;
  margin-top: 18px;
}

.philosophy-copy {
  max-width: 680px;
  margin-top: 22px;
}

.philosophy-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
}

.philosophy-copy p:last-child {
  margin-bottom: 0;
}

.philosophy-copy .philosophy-highlight {
  padding: 18px 20px;
  color: var(--navy);
  background: #f5f8fa;
  border-left: 3px solid var(--copper);
}

.philosophy-image {
  align-self: start;
  aspect-ratio: 1672 / 941;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: #e4edf1;
  border: 1px solid rgba(7, 25, 43, 0.12);
  border-top: 3px solid var(--copper);
  box-shadow: 0 18px 44px rgba(7, 25, 43, 0.12);
}

.philosophy-image img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: center;
}

.recruitment-box {
  align-self: stretch;
  padding: 34px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(7, 25, 43, 0.1);
  border-top: 3px solid var(--copper);
  box-shadow: 0 18px 44px rgba(7, 25, 43, 0.08);
}

.recruitment-image {
  align-self: stretch;
  min-height: 320px;
  margin: 0;
  overflow: hidden;
  background: #dfe8ee;
  border: 1px solid rgba(7, 25, 43, 0.12);
  border-top: 3px solid var(--copper);
  box-shadow: 0 18px 44px rgba(7, 25, 43, 0.12);
}

.recruitment-image img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  object-position: center;
}

.recruitment-box h2 {
  margin: 18px 0 0;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(30px, 3.2vw, 46px);
  font-weight: 500;
}

.recruitment-box p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.recruitment-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 24px;
  padding: 0 18px;
  color: #fff;
  background: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.recruitment-link:hover {
  background: var(--deep);
}

.recruitment-main {
  padding-top: 82px;
  background: #eaf6fb;
}

.recruitment-page-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 370px;
  align-items: end;
  background: #06182a;
}

.recruitment-hero-image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.recruitment-page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(3, 15, 34, 0.34), rgba(3, 15, 34, 0.04) 58%, rgba(3, 15, 34, 0.14));
}

.recruitment-page-hero > .section-head {
  position: relative;
  z-index: 2;
  display: block;
  max-width: 760px;
  margin-bottom: 0;
}

.recruitment-page-hero .section-kicker {
  color: var(--premium-blue);
}

.recruitment-page-hero h1 {
  margin: 18px 0 0;
  color: #fff;
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(42px, 6vw, 76px);
  font-weight: 500;
  line-height: 1.1;
}

.recruitment-page-hero p {
  max-width: 600px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  line-height: 1.9;
}

.recruitment-details {
  background: #eaf6fb;
}

.recruitment-table-wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(7, 25, 43, 0.12);
  border-top: 3px solid var(--premium-blue);
  box-shadow: 0 24px 60px rgba(7, 25, 43, 0.1);
}

.recruitment-table-heading {
  padding: 30px 34px 24px;
  background: linear-gradient(135deg, #06182a, #0d344b);
}

.recruitment-table-heading .section-kicker {
  color: var(--premium-blue);
}

.recruitment-table-heading h2 {
  margin: 12px 0 0;
  color: #fff;
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
}

.recruitment-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.recruitment-table th,
.recruitment-table td {
  padding: 24px 28px;
  border-bottom: 1px solid rgba(7, 25, 43, 0.1);
  vertical-align: top;
  text-align: left;
}

.recruitment-table tr:last-child th,
.recruitment-table tr:last-child td {
  border-bottom: 0;
}

.recruitment-table th {
  width: 23%;
  color: var(--navy);
  background: #eef6f9;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.recruitment-table td {
  color: #304251;
  font-size: 14px;
  line-height: 1.9;
}

.recruitment-table ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.recruitment-table li {
  position: relative;
  padding-left: 18px;
}

.recruitment-table li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--copper);
  border-radius: 50%;
}

.recruitment-table td p {
  margin: 0 0 10px;
}

.recruitment-table td p:last-child {
  margin-bottom: 0;
}

.recruitment-table td strong {
  color: var(--navy);
  font-weight: 900;
}

.recruitment-interview-row th {
  color: #fff;
  background: var(--navy);
}

.recruitment-interview-row td {
  background: #f6fbfd;
}

.recruitment-note {
  color: var(--muted);
  font-size: 12px;
}

.recruitment-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.recruitment-detail-card {
  min-height: 260px;
  padding: 32px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(7, 25, 43, 0.1);
  border-top: 3px solid var(--premium-blue);
  box-shadow: 0 18px 44px rgba(7, 25, 43, 0.06);
}

.recruitment-detail-card h2 {
  margin: 20px 0 0;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: 30px;
  font-weight: 500;
}

.recruitment-detail-card p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.recruitment-contact {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 7vw;
  align-items: center;
  background: #e1f2f8;
}

.recruitment-contact h2 {
  margin: 18px 0 0;
  color: var(--navy);
  font-family: Georgia, "Yu Mincho", serif;
  font-size: clamp(30px, 3.5vw, 50px);
  font-weight: 500;
}

.recruitment-contact p {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

@media (max-width: 1180px) {
  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .recruitment-contact {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Premium visual layer */
:root {
  --premium-ink: #071018;
  --premium-panel: rgba(255, 255, 255, 0.78);
  --premium-gold: #c89b63;
  --premium-blue: #83c7dd;
  --premium-glow: rgba(131, 199, 221, 0.22);
}

body {
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9998;
  pointer-events: none;
  opacity: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header {
  background: #fff;
  box-shadow: 0 18px 60px rgba(7, 25, 43, 0.07);
}

.main-nav a,
.brand,
.lang-switch button,
.btn,
.catalog-link,
.material-jump a {
  transition: transform 260ms cubic-bezier(.2,.8,.2,1), color 260ms ease, background 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
}

.main-nav a:hover,
.brand:hover {
  color: var(--premium-gold);
}

.hero {
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 12, 18, 0.24), transparent 42%, rgba(5, 12, 18, 0.18)),
    linear-gradient(180deg, rgba(5, 12, 18, 0), rgba(5, 12, 18, 0.16));
}

.hero::after {
  content: "";
  position: absolute;
  left: 4.5vw;
  right: 4.5vw;
  bottom: 34px;
  z-index: 2;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.62), transparent);
}

.hero-video {
  transform: scale(1.012);
  animation: premium-hero-breathe 12s ease-in-out infinite alternate;
}

@keyframes premium-hero-breathe {
  from { transform: scale(1.012); filter: saturate(1.02) contrast(1.02); }
  to { transform: scale(1.045); filter: saturate(1.08) contrast(1.05); }
}

.hero-music-toggle {
  z-index: 7;
  background: rgba(4, 12, 18, 0.58);
  border-color: rgba(255, 255, 255, 0.24);
}

.hero-music-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(0,0,0,0.34), 0 0 40px var(--premium-glow);
}

.section {
  position: relative;
}

.intro,
.strengths,
.customers,
.languages,
.contact {
  overflow: hidden;
}

.intro::before,
.strengths::before,
.customers::before,
.languages::before,
.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(200, 155, 99, 0.06), transparent 38%),
    radial-gradient(circle at 88% 18%, rgba(131, 199, 221, 0.12), transparent 28vw);
}

.intro > *,
.strengths > *,
.customers > *,
.languages > *,
.contact > * {
  position: relative;
  z-index: 1;
}

.section-kicker,
.section-head span,
.story-head span {
  color: var(--premium-gold);
}

.intro h2,
.section-head h2,
.language-panel h2,
.contact h2,
.story-head h1,
.story-head h2 {
  letter-spacing: 0;
  text-wrap: balance;
}

.section-image,
.strength-grid article,
.customer-grid article,
.language-cards article,
.contact-box,
.material-sheet {
  border-color: rgba(7, 25, 43, 0.1);
  box-shadow:
    0 1px 1px rgba(7,25,43,0.03),
    0 8px 24px rgba(7,25,43,0.06),
    0 28px 72px rgba(7,25,43,0.08);
}

.section-image {
  border-radius: 0;
  transform: translateZ(0);
}

.strength-grid article,
.customer-grid article,
.language-cards article {
  background: var(--premium-panel);
  backdrop-filter: blur(16px);
}

.strength-grid article:hover,
.customer-grid article:hover,
.language-cards article:hover,
.material-sheet:hover {
  transform: translateY(-6px);
}

.strength-grid article,
.customer-grid article,
.language-cards article,
.material-sheet {
  transition: transform 420ms cubic-bezier(.2,.8,.2,1), box-shadow 420ms ease, border-color 420ms ease;
}

.strength-grid article:hover,
.customer-grid article:hover,
.language-cards article:hover {
  border-color: rgba(200, 155, 99, 0.38);
  box-shadow: 0 34px 90px rgba(7, 25, 43, 0.13);
}

.catalog-link,
.btn-primary {
  background: linear-gradient(135deg, var(--navy), #132f43);
  box-shadow: 0 16px 42px rgba(7, 25, 43, 0.2);
}

.catalog-link:hover,
.btn-primary:hover,
.btn-secondary:hover,
.material-jump a:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: #fff;
  border-color: rgba(255,255,255,0.18);
}

.catalog-main {
  position: relative;
  background: #f5f5f7;
}

.catalog-background-video {
  position: absolute;
  inset: 0 0 auto;
  z-index: 0;
  width: 100%;
  height: 420px;
  object-fit: cover;
  opacity: 1;
  filter: saturate(0.88) contrast(1.06) brightness(0.72);
  pointer-events: none;
}

.catalog-main::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 1;
  height: 420px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 14, 23, 0.18), rgba(4, 14, 23, 0.64));
}

.catalog-main .product-story {
  position: relative;
  z-index: 2;
  background: transparent;
  padding-top: 460px;
}

.catalog-main .story-head {
  color: var(--navy);
}

.catalog-main .story-head h1,
.catalog-main .story-head p {
  color: var(--navy);
}

.catalog-main .story-head p {
  color: var(--muted);
}

.catalog-main .material-jump {
  background: rgba(251, 252, 251, 0.96);
}

.datasheet-image-sheet {
  border: 1px solid rgba(255,255,255,0.12);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.03)),
    #06182a;
}

.datasheet-page-image {
  transform: translateZ(0);
}

.cursor-orb {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 9999;
  width: 22px;
  height: 22px;
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: difference;
  transform: translate3d(-100px, -100px, 0);
  transition: width 240ms ease, height 240ms ease, border-color 240ms ease;
}

.cursor-orb.is-hovering {
  width: 54px;
  height: 54px;
  border-color: rgba(255,255,255,0.42);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 820ms ease, transform 820ms cubic-bezier(.2,.8,.2,1);
}

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

@media (prefers-reduced-motion: reduce) {
  .hero-video {
    animation: none;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

@media (pointer: coarse) {
  .cursor-orb {
    display: none;
  }
}

@media (max-width: 1180px) {
  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
    width: 42px;
    height: 42px;
    margin-left: auto;
    background: transparent;
    border: 0;
  }

  .menu-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--navy);
  }

  .main-nav.open {
    position: absolute;
    top: 82px;
    left: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    gap: 0;
    margin: 0;
    padding: 18px 4.5vw;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }

  .main-nav.open a {
    padding: 14px 0;
  }

  .catalog-main .material-jump {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .hero-content {
    width: min(760px, 72vw);
  }

  .hero-centered {
    width: min(840px, calc(100% - 44px));
  }

  .hero-proof {
    right: 4vw;
    width: min(620px, 52vw);
  }

  .section-head,
  .intro {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .intro > p {
    margin-top: 0;
  }

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

  .core-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .strength-grid,
  .customer-grid {
    grid-template-columns: 1fr;
  }

  .network,
  .languages,
  .contact {
    grid-template-columns: 1fr;
  }

  .material-feature {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 86px 7vw;
  }

  .material-visual {
    min-height: 440px;
    order: -1;
  }

  .material-sheet {
    width: min(980px, calc(100% - 32px));
  }

  .sheet-titlebar,
  .sheet-main,
  .sheet-language-grid,
  .service-strip {
    grid-template-columns: 1fr;
  }

  .sheet-titlebar {
    display: grid;
    gap: 10px;
    padding: 22px 24px;
  }

  .sheet-main {
    min-height: 0;
  }

  .sheet-photo img {
    min-height: 420px;
  }

  .sheet-language-grid {
    gap: 24px;
  }

  .language-detail {
    min-height: auto;
    padding: 0;
    border-right: 0;
  }

  .service-strip {
    gap: 18px;
  }

  .service-strip div {
    border-right: 0;
  }

  .network-image {
    min-height: 420px;
  }

  .philosophy-image,
  .philosophy-image img {
    min-height: 0;
  }

  .philosophy-image {
    align-self: start;
    aspect-ratio: 1672 / 941;
  }

  .philosophy-image-stack {
    width: min(100%, 520px);
  }

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

@media (max-width: 720px) {
  .site-header {
    height: 70px;
    padding: 0 18px;
  }

  .brand {
    min-width: 0;
    gap: 10px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    font-size: 8px;
  }

  .lang-switch {
    margin-left: 10px;
  }

  .catalog-main .material-jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: calc(100% - 28px);
    padding: 10px;
  }

  .lang-switch button {
    min-width: 38px;
    padding: 0 7px;
    font-size: 11px;
  }

  .main-nav.open {
    top: 70px;
    grid-template-columns: 1fr 1fr;
    padding: 14px 18px;
  }

  .hero {
    min-height: 820px;
    height: auto;
  }

  .hero-map img {
    object-position: 58% center;
  }

  .hero-content {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    padding: 150px 22px 26px;
    transform: none;
  }

  .hero-centered {
    left: auto;
    text-align: left;
    transform: none;
  }

  .hero-centered .hero-actions {
    justify-content: flex-start;
  }

  .hero-music-toggle {
    right: 16px;
    bottom: 16px;
    min-width: 118px;
    height: 42px;
    padding: 0 13px;
  }

  .section-image-wide {
    margin: 26px 0 18px;
    max-height: none;
  }

  .recruitment-table-heading {
    padding: 24px 20px 20px;
  }

  .recruitment-table,
  .recruitment-table tbody,
  .recruitment-table tr,
  .recruitment-table th,
  .recruitment-table td {
    display: block;
    width: 100%;
  }

  .recruitment-table th,
  .recruitment-table td {
    padding: 16px 18px;
  }

  .recruitment-table th {
    border-bottom: 0;
  }

  .philosophy-image,
  .philosophy-image img {
    min-height: 0;
  }

  .philosophy-image-stack {
    width: 100%;
  }

  .strength-grid article,
  .customer-grid article {
    min-height: auto;
    padding: 24px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .lead {
    font-size: 17px;
  }

  .hero-actions {
    margin-top: 30px;
  }

  .btn {
    min-width: 146px;
    height: 50px;
    font-size: 12px;
  }

  .hero-proof {
    position: relative;
    right: auto;
    bottom: auto;
    grid-template-columns: 1fr;
    width: auto;
    padding: 0 22px 42px;
  }

  .hero-proof figure {
    height: 170px;
  }

  .section {
    padding: 76px 22px;
  }

  .intro h2,
  .section-head h2,
  .network-copy h2,
  .language-panel h2,
  .contact h2 {
    font-size: 34px;
  }

  .product-grid,
  .core-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .product-story {
    padding-top: 84px;
  }

  .story-head {
    text-align: left;
  }

  .story-head h2 {
    font-size: 38px;
  }

  .material-jump {
    top: 70px;
    padding: 10px 22px;
  }

  .product-card {
    grid-template-rows: 220px 1fr;
    min-height: auto;
  }

  .catalog-card {
    grid-template-rows: 150px auto;
  }

  .material-feature {
    display: flex;
    flex-direction: column;
    gap: 34px;
    min-height: auto;
    padding: 64px 22px;
  }

  .material-copy {
    max-width: none;
    width: 100%;
  }

  .material-copy h3 {
    font-size: 48px;
  }

  .material-copy p {
    font-size: 16px;
  }

  .name-stack {
    grid-template-columns: 1fr;
  }

  .catalog-spec div {
    grid-template-columns: 1fr;
  }

  .catalog-spec b,
  .catalog-spec span {
    padding: 12px 14px;
  }

  .material-visual {
    width: 100%;
    min-height: 330px;
    order: 0;
  }

  .material-visual img {
    width: min(500px, 90%);
    max-height: 300px;
  }

  .sheet-titlebar h3 {
    display: block;
    font-size: 23px;
  }

  .sheet-titlebar h3 span {
    display: block;
    margin-bottom: 8px;
    font-size: 42px;
  }

  .sheet-titlebar em {
    margin: 0 8px;
  }

  .sheet-titlebar div {
    font-size: 13px;
  }

  .sheet-summary {
    padding: 18px 22px;
  }

  .sheet-summary section {
    grid-template-columns: 34px 1fr;
    gap: 12px;
  }

  .sheet-photo img {
    min-height: 320px;
  }

  .sheet-language-grid,
  .composition-panel,
  .service-strip {
    padding-left: 22px;
    padding-right: 22px;
  }

  .composition-panel {
    overflow-x: auto;
  }

  .composition-panel table {
    min-width: 760px;
  }

  .network-copy {
    padding: 76px 22px;
  }

  .network-image {
    min-height: 360px;
  }

  .gallery-grid {
    grid-auto-rows: 235px;
  }

  .gallery-item.large {
    grid-column: auto;
    grid-row: auto;
  }

  .language-cards strong {
    font-size: 20px;
  }

  footer {
    display: block;
    padding: 38px 22px;
  }

  footer p {
    margin-top: 28px;
  }
}