:root {
  --ink: #102033;
  --muted: #64748b;
  --line: #dbe7f3;
  --blue: #0969da;
  --blue-dark: #0754ad;
  --cyan: #26b6da;
  --green: #29b486;
  --yellow: #f5c84b;
  --coral: #ff7468;
  --surface: #ffffff;
  --soft: #f4f9fd;
  --soft-blue: #eaf5ff;
  --shadow: 0 24px 70px rgba(38, 79, 128, .14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, .9);
  border-bottom: 1px solid rgba(219, 231, 243, .85);
  backdrop-filter: blur(18px);
}

.brand,
.main-nav,
.language-switch,
.hero-actions,
.inquiry-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  min-width: 280px;
  font-weight: 750;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: conic-gradient(from 130deg, var(--blue), var(--cyan), var(--green), var(--yellow), var(--coral), var(--blue));
  box-shadow: 0 8px 24px rgba(9, 105, 218, .22);
}

.brand-text {
  display: grid;
  gap: 2px;
  line-height: 1.08;
}

.brand-text strong {
  font-size: 18px;
  letter-spacing: .04em;
}

.brand-text small {
  max-width: 310px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.main-nav {
  gap: 24px;
  color: #334155;
  font-size: 14px;
  font-weight: 650;
}

.main-nav a:hover {
  color: var(--blue);
}

.main-nav .is-current {
  color: var(--blue);
}

.language-switch {
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
}

.language-switch button,
.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 30px;
  padding: 0 8px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font-weight: 750;
  cursor: pointer;
  text-decoration: none;
}

.language-switch .is-active {
  color: var(--blue-dark);
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(30, 64, 120, .12);
}

.language-switch .is-disabled {
  cursor: not-allowed;
  opacity: .45;
}

.mobile-menu-toggle {
  display: none !important;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue-dark);
  background: #ffffff;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

@media (min-width: 769px) {
  .site-nav {
    display: flex !important;
  }

  .mobile-menu-toggle {
    display: none !important;
  }
}

.section {
  padding: 88px clamp(20px, 5vw, 72px);
}

.compact {
  padding-top: 48px;
  padding-bottom: 52px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
  min-height: calc(100vh - 190px);
  padding-top: clamp(18px, 2.5vw, 34px);
  padding-bottom: clamp(30px, 3.5vw, 46px);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .88) 42%, rgba(237, 247, 255, .62) 100%),
    radial-gradient(circle at 84% 20%, rgba(38, 182, 218, .18), transparent 32%),
    url("../images/hero-city-background.webp") center / cover no-repeat;
}

.page-hero {
  display: grid;
  gap: 20px;
  align-content: center;
  min-height: 420px;
  background:
    radial-gradient(circle at 80% 22%, rgba(38, 182, 218, .16), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #f7fbff 55%, #eef8ff 100%);
}

.page-hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(40px, 5.5vw, 68px);
  line-height: 1.08;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: #3d5068;
  font-size: clamp(18px, 2vw, 21px);
}

.product-page-hero {
  min-height: 350px;
  padding-top: clamp(54px, 6vw, 76px);
  padding-bottom: clamp(54px, 6vw, 76px);
}

.split-hero {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  align-items: center;
}

.hero h1,
.section-heading h2,
.matching-copy h2,
.inquiry-section h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 720px;
  font-size: clamp(42px, 6vw, 76px);
}

.home-hero .hero h1,
.home-hero h1 {
  max-width: 760px;
  font-size: clamp(38px, 4vw, 52px);
}

.home-hero {
  align-items: start;
  grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
  min-height: auto;
}

.home-hero .hero-visual {
  justify-self: end;
  align-self: start;
  width: 100%;
  height: auto;
  min-height: 0;
  max-width: min(100%, 720px);
}

.home-hero .hero-collage {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 1.22;
}

@media (min-width: 901px) and (max-width: 1180px) {
  .home-hero .hero-collage {
    aspect-ratio: .82;
  }
}

@media (min-width: 1181px) and (max-width: 1320px) {
  .home-hero .hero-collage {
    aspect-ratio: .98;
  }
}

.hero-subtitle {
  max-width: 650px;
  margin: 24px 0 0;
  color: #3d5068;
  font-size: clamp(18px, 2vw, 22px);
}

.hero-note {
  margin: 18px 0 0;
  color: var(--blue-dark);
  font-weight: 750;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero-actions,
.inquiry-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button.whatsapp {
  color: #ffffff;
  background: #1fae66;
}

.mobile-value-points,
.trust-strip,
.sales-product-grid,
.sales-card-grid,
.product-summary-grid,
.related-product-grid {
  display: grid;
  gap: 14px;
}

.mobile-value-points {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.mobile-value-points span,
.trust-strip span {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--blue-dark);
  background: rgba(255, 255, 255, .86);
  font-size: 14px;
  font-weight: 850;
  text-align: center;
}

.mobile-bottom-bar {
  display: none;
}

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

.lead-time-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.lead-time-grid article {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.lead-time-grid strong {
  color: var(--blue-dark);
  font-size: clamp(20px, 2vw, 28px);
}

.lead-time-grid span,
.lead-time-note {
  color: var(--muted);
}

.lead-time-note {
  margin-top: 18px;
}

.sales-product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sales-product-card,
.sales-card,
.product-info-card,
.product-detail-block,
.related-product-grid a {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.sales-product-card,
.sales-card,
.related-product-grid a {
  display: grid;
  gap: 10px;
  padding: 20px;
}

.sales-product-card img {
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
  border-radius: 8px;
  background: var(--soft);
}

.sales-product-card p,
.sales-card p,
.product-info-card p,
.product-detail-block p,
.product-detail-block li,
.related-product-grid p {
  color: var(--muted);
}

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

.product-detail-hero {
  display: grid;
  grid-template-columns: minmax(300px, .9fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  background:
    radial-gradient(circle at 82% 18%, rgba(38, 182, 218, .14), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #f7fbff 58%, #eef8ff 100%);
}

.product-detail-media {
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.product-detail-media img {
  width: 100%;
  aspect-ratio: 1.1;
  object-fit: contain;
}

.product-detail-copy h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.08;
}

.product-detail-copy > p {
  color: #3d5068;
  font-size: clamp(17px, 2vw, 21px);
}

.product-summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.product-info-card {
  padding: 16px;
}

.product-info-card h2 {
  margin: 0;
  font-size: 16px;
}

.product-info-card p {
  margin: 8px 0 0;
}

.product-detail-stack {
  display: grid;
  gap: 20px;
}

.project-support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.product-detail-block {
  padding: clamp(20px, 3vw, 30px);
}

.product-detail-block h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}

.product-detail-block ul,
.product-detail-block ol {
  margin: 14px 0 0;
  padding-left: 22px;
}

.related-product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.related-product-grid strong {
  color: var(--ink);
}

.technical-details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.technical-details summary {
  min-height: 48px;
  padding: 14px 16px;
  color: var(--blue-dark);
  font-weight: 850;
  cursor: pointer;
}

.technical-details-inner {
  display: grid;
  gap: 14px;
  padding: 0 16px 16px;
}

.button.primary {
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 16px 36px rgba(9, 105, 218, .24);
}

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary {
  color: var(--blue-dark);
  background: #ffffff;
  border-color: var(--line);
}

.visual-panel {
  overflow: hidden;
  border: 1px solid rgba(180, 211, 238, .9);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.visual-panel img {
  width: 100%;
  aspect-ratio: 1.12;
  object-fit: cover;
}

.hero-image-panel {
  max-width: min(112%, 690px);
  margin-left: auto;
}

.hero-image-panel img {
  object-position: center;
  transform: scale(1.12) translateY(-4%);
  transform-origin: center center;
}

@media (min-width: 901px) {
  .hero-image-panel {
    transform: translateX(-56px);
  }
}

.hero-collage {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  grid-template-rows: repeat(3, 1fr);
  gap: 12px;
  min-height: clamp(390px, 42vw, 560px);
  padding: 12px;
  overflow: hidden;
  border: 1px solid rgba(180, 211, 238, .9);
  border-radius: 14px;
  background:
    radial-gradient(circle at 82% 18%, rgba(38, 182, 218, .14), transparent 30%),
    linear-gradient(145deg, #ffffff 0%, #eef8ff 100%);
  box-shadow: var(--shadow);
}

.hero-collage img {
  width: 100%;
  height: 100%;
  min-width: 0;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(16, 32, 51, .12);
}

.hero-collage-main {
  grid-row: span 2;
}

.hero-collage img:nth-child(5) {
  grid-column: span 2;
  object-fit: cover;
  object-position: center;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.row-heading {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.text-link {
  color: var(--blue-dark);
  font-weight: 850;
  white-space: nowrap;
}

.section-heading h2,
.matching-copy h2,
.inquiry-section h2 {
  font-size: clamp(30px, 4vw, 48px);
}

.section-heading p:not(.eyebrow),
.matching-copy p,
.inquiry-section p {
  color: var(--muted);
}

.advantage-grid,
.product-grid,
.application-grid {
  display: grid;
  gap: 18px;
}

.advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.advantage-grid article,
.product-grid article,
.application-grid article,
.process-card,
.inquiry-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.advantage-grid article {
  padding: 20px;
}

h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

article p {
  margin: 10px 0 0;
  color: var(--muted);
}

.products-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
}

.entrances-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
}

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

.entrance-grid article {
  position: relative;
  min-height: 292px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, .98) 0%, rgba(244, 249, 253, .94) 100%);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.entrance-grid article::after {
  content: "";
  position: absolute;
  right: -44px;
  bottom: -54px;
  width: 150px;
  height: 150px;
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(9, 105, 218, .12), rgba(38, 182, 218, .2));
  transform: rotate(18deg);
}

.entrance-grid span {
  display: block;
  width: 60px;
  height: 8px;
  margin-bottom: 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
}

.entrance-grid article:nth-child(2) span {
  background: linear-gradient(90deg, var(--green), var(--yellow));
}

.entrance-grid article:nth-child(3) span {
  background: linear-gradient(90deg, #ff7468, #f5c84b, #26b6da);
}

.entrance-grid h3,
.entrance-grid p,
.entrance-grid a,
.entrance-grid span {
  position: relative;
  z-index: 1;
}

.entrance-grid p {
  margin-bottom: 24px;
  color: var(--muted);
}

.product-grid {
  grid-template-columns: repeat(7, minmax(170px, 1fr));
}

.preview-grid.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.product-grid article {
  position: relative;
  min-height: 190px;
  padding: 26px 20px;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, .96) 0%, rgba(244, 249, 253, .92) 100%);
}

.product-grid article::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -42px;
  width: 116px;
  height: 116px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(9, 105, 218, .11), rgba(38, 182, 218, .2));
  transform: rotate(18deg);
}

.product-grid article span {
  position: relative;
  z-index: 1;
  display: block;
  width: 52px;
  height: 8px;
  margin-bottom: 26px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
}

.product-grid article h3,
.product-grid article p {
  position: relative;
  z-index: 1;
}

.product-grid article:nth-child(2) span {
  background: linear-gradient(90deg, #0f172a, #64748b);
}

.product-grid article:nth-child(3) span {
  background: linear-gradient(90deg, #dbeafe, #ffffff);
  border: 1px solid #cbd5e1;
}

.product-grid article:nth-child(4) span {
  background: linear-gradient(90deg, var(--green), var(--yellow));
}

.product-grid article:nth-child(6) span {
  background: linear-gradient(90deg, #ff7468, #f5c84b, #26b6da);
}

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

.application-grid article {
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.application-grid img {
  width: 100%;
  aspect-ratio: 1.48;
  object-fit: cover;
  background: var(--soft-blue);
}

.application-grid h3,
.application-grid p {
  padding-inline: 20px;
}

.application-grid h3 {
  padding-top: 18px;
}

.application-grid p {
  padding-bottom: 22px;
}

.matching-section {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(320px, .8fr);
  gap: 34px;
  align-items: start;
  background:
    radial-gradient(circle at 82% 18%, rgba(245, 200, 75, .15), transparent 28%),
    linear-gradient(135deg, #f8fcff 0%, #ffffff 48%, #edf8ff 100%);
}

.matching-copy p {
  max-width: 720px;
  font-size: 18px;
}

.matching-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.matching-list li {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #25506f;
  background: #ffffff;
  font-weight: 700;
}

.process-card {
  padding: 26px;
  background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
}

.process-card ol {
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.process-card li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
}

.process-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 850;
}

.detail-list {
  display: grid;
  gap: 22px;
}

.product-overview-section {
  padding-bottom: 42px;
}

.product-overview-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.product-overview-grid a {
  min-height: 128px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(155deg, #ffffff 0%, #f5faff 100%);
  box-shadow: 0 12px 34px rgba(36, 68, 111, .07);
  color: var(--ink);
  font-weight: 800;
}

.product-overview-grid span {
  display: block;
  width: 48px;
  height: 7px;
  margin-bottom: 20px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
}

.product-overview-grid a:nth-child(2) span {
  background: linear-gradient(90deg, #0f172a, #dbeafe, #ffffff);
  border: 1px solid #cbd5e1;
}

.product-overview-grid a:nth-child(3) span {
  background: linear-gradient(90deg, var(--green), var(--yellow));
}

.product-overview-grid a:nth-child(6) span {
  background: linear-gradient(90deg, #ff7468, #f5c84b, #26b6da);
}

.product-solution-list {
  display: grid;
  gap: 24px;
  padding-top: 40px;
}

.product-solution {
  display: grid;
  grid-template-columns: minmax(260px, .48fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: stretch;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(140deg, #ffffff 0%, #f8fcff 100%);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.product-solution.is-reversed {
  grid-template-columns: minmax(0, 1fr) minmax(260px, .48fr);
}

.product-solution.is-reversed .product-visual {
  order: 2;
}

.product-content h2 {
  margin: 0;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.12;
}

.product-content > p {
  color: var(--muted);
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.product-meta div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.product-meta h3 {
  font-size: 16px;
}

.product-meta p {
  margin: 8px 0 0;
  color: var(--muted);
}

.product-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: 8px;
  background:
    radial-gradient(circle at 78% 16%, rgba(38, 182, 218, .16), transparent 28%),
    linear-gradient(145deg, #f7fcff 0%, #edf7ff 100%);
}

.product-visual.image-visual {
  padding: clamp(14px, 2vw, 22px);
  background:
    radial-gradient(circle at 78% 16%, rgba(38, 182, 218, .12), transparent 30%),
    linear-gradient(145deg, #f8fcff 0%, #edf7ff 100%);
}

.product-visual.image-visual::before,
.product-visual.image-visual::after,
.product-visual.image-visual span {
  content: none;
  display: none;
}

.product-visual.image-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: contain;
  object-position: center;
  border-radius: 8px;
}

.product-visual::before,
.product-visual::after,
.product-visual span {
  content: "";
  position: absolute;
  display: block;
  box-shadow: 0 20px 34px rgba(16, 32, 51, .12);
}

.product-visual::before {
  left: 12%;
  top: 18%;
  width: 38%;
  height: 52%;
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.88), rgba(255,255,255,.55)),
    linear-gradient(90deg, #0969da 0 20%, #26b6da 20% 40%, #29b486 40% 60%, #f5c84b 60% 80%, #ff7468 80% 100%);
  transform: rotate(-7deg);
}

.product-visual::after {
  right: 12%;
  bottom: 16%;
  width: 50%;
  height: 26%;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.42), rgba(255,255,255,0)),
    linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
  transform: rotate(4deg);
}

.product-visual span:nth-child(1) {
  left: 22%;
  bottom: 18%;
  width: 24%;
  height: 22%;
  border-radius: 16px;
  background: #ffffff;
  transform: rotate(8deg);
}

.product-visual span:nth-child(2) {
  right: 18%;
  top: 20%;
  width: 30%;
  height: 34%;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.82), rgba(255,255,255,.46)),
    linear-gradient(90deg, #f1f5f9, #ffffff);
  transform: rotate(7deg);
}

.product-visual span:nth-child(3) {
  right: 28%;
  bottom: 26%;
  width: 12%;
  height: 12%;
  border-radius: 50%;
  background: var(--yellow);
}

.color-visual span:nth-child(1) {
  background: linear-gradient(135deg, #26b6da, #0969da);
}

.black-white-visual::after {
  background: linear-gradient(90deg, #0f172a, #64748b, #f8fafc);
}

.black-white-visual span:nth-child(1) {
  background: #0f172a;
}

.black-white-visual span:nth-child(3) {
  background: #ffffff;
  border: 1px solid #cbd5e1;
}

.functional-visual::after {
  background: linear-gradient(90deg, var(--green), var(--yellow));
}

.functional-visual span:nth-child(1),
.pp-visual span:nth-child(1) {
  background: var(--green);
}

.abs-pc-visual::after {
  background: linear-gradient(90deg, #173c5b, #0969da);
}

.abs-pc-visual span:nth-child(1) {
  background: linear-gradient(135deg, #173c5b, #64748b);
}

.matching-visual::after {
  background: linear-gradient(90deg, #ff7468, #f5c84b, #26b6da);
}

.matching-visual::before {
  background:
    linear-gradient(135deg, rgba(255,255,255,.86), rgba(255,255,255,.54)),
    linear-gradient(90deg, #ff7468 0 16%, #f5c84b 16% 32%, #29b486 32% 48%, #26b6da 48% 64%, #0969da 64% 80%, #173c5b 80% 100%);
}

.detail-card {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, .96), rgba(246, 251, 255, .96));
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.detail-card > span {
  display: block;
  width: 72px;
  height: 8px;
  margin-bottom: 22px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
}

.detail-card:nth-child(2) > span {
  background: linear-gradient(90deg, #0f172a, #64748b);
}

.detail-card:nth-child(3) > span {
  background: linear-gradient(90deg, #dbeafe, #ffffff);
  border: 1px solid #cbd5e1;
}

.detail-card:nth-child(4) > span {
  background: linear-gradient(90deg, var(--green), var(--yellow));
}

.detail-card:nth-child(7) > span {
  background: linear-gradient(90deg, #ff7468, #f5c84b, #26b6da);
}

.detail-card h2,
.application-detail h2,
.contact-card h2,
.about-layout h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
}

.detail-card > p,
.contact-card p,
.about-layout p {
  color: var(--muted);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.spec-grid div,
.faq-grid article,
.contact-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 24px;
}

.spec-grid h3 {
  font-size: 16px;
}

.application-detail-grid {
  display: grid;
  gap: 22px;
}

.application-group-title {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  color: var(--ink);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
}

.application-detail {
  display: grid;
  grid-template-columns: minmax(320px, .78fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(140deg, #ffffff 0%, #f8fcff 100%);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.application-detail img {
  width: 100%;
  aspect-ratio: 1.34;
  object-fit: cover;
  border-radius: 8px;
  background: var(--soft-blue);
  box-shadow: inset 0 0 0 1px rgba(180, 211, 238, .55);
}

.application-detail p {
  margin: 10px 0 0;
  color: var(--muted);
}

.application-cta {
  margin-top: 18px;
}

.swatch-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.95), rgba(239,248,255,.95));
  box-shadow: var(--shadow);
}

.swatch-panel span {
  display: block;
  aspect-ratio: 1;
  border-radius: 14px;
}

.swatch-panel span:nth-child(1) { background: #0969da; }
.swatch-panel span:nth-child(2) { background: #26b6da; }
.swatch-panel span:nth-child(3) { background: #29b486; }
.swatch-panel span:nth-child(4) { background: #f5c84b; }
.swatch-panel span:nth-child(5) { background: #ff7468; }
.swatch-panel span:nth-child(6) { background: #18324a; }

.matching-hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 390px;
  padding: clamp(6px, 1vw, 10px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 78% 16%, rgba(38, 182, 218, .12), transparent 30%),
    linear-gradient(145deg, #f8fcff 0%, #edf7ff 100%);
  box-shadow: var(--shadow);
}

.matching-hero-image img {
  width: 115%;
  height: 115%;
  max-height: 500px;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
}

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

.inquiry-form-card {
  background: #ffffff;
}

.contact-information-card {
  display: none;
}

.contact-info-block {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

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

.policy-card {
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(140deg, #ffffff 0%, #f8fcff 100%);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.policy-logo {
  width: 46px;
  height: 46px;
  object-fit: contain;
  margin-bottom: 18px;
  border-radius: 10px;
}

.policy-card h2 {
  margin: 0 0 18px;
  font-size: 24px;
}

.policy-card a {
  display: block;
  margin-top: 10px;
  color: var(--blue-dark);
  font-weight: 800;
}

.policy-card p {
  color: var(--muted);
}

.policy-card.is-muted {
  background: var(--soft);
}

.inquiry-form {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.technical-document-support {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.technical-document-support p {
  margin: 10px 0 0;
  color: var(--muted);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 750;
}

.required-mark {
  color: #c2410c;
}

.form-note {
  margin: -2px 0 2px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.inquiry-form select {
  min-height: 48px;
  padding-right: 40px;
  font-size: 16px;
  line-height: 1.4;
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) calc(100% - 20px) 50% / 6px 6px no-repeat,
    linear-gradient(135deg, var(--muted) 50%, transparent 50%) calc(100% - 15px) 50% / 6px 6px no-repeat,
    #ffffff;
  appearance: none;
}

.inquiry-form option {
  font-size: 16px;
  line-height: 1.5;
}

.custom-select-native {
  position: absolute;
  width: 1px !important;
  height: 1px;
  min-height: 0 !important;
  padding: 0 !important;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.custom-select {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 48px;
  padding: 12px 40px 12px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) calc(100% - 20px) 50% / 6px 6px no-repeat,
    linear-gradient(135deg, var(--muted) 50%, transparent 50%) calc(100% - 15px) 50% / 6px 6px no-repeat,
    #ffffff;
  font: inherit;
  font-size: 16px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.custom-select-trigger:focus {
  outline: 2px solid rgba(9, 105, 218, .18);
  border-color: var(--blue);
}

.custom-select-options {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  left: 0;
  z-index: 120;
  display: none;
  max-height: 260px;
  padding: 8px;
  overflow-y: auto;
  border: 1px solid rgba(148, 163, 184, .35);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(15, 23, 42, .14);
}

.custom-select.is-open .custom-select-options {
  display: grid;
  gap: 2px;
}

.custom-select-option {
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 8px;
  color: var(--ink);
  background: transparent;
  font: inherit;
  font-size: 16px;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.custom-select-option:hover,
.custom-select-option.is-selected {
  color: var(--blue-dark);
  background: var(--soft-blue);
}

.inquiry-form textarea {
  resize: vertical;
}

.inquiry-form input:focus,
.inquiry-form select:focus,
.inquiry-form textarea:focus {
  outline: 2px solid rgba(9, 105, 218, .18);
  border-color: var(--blue);
}

.form-status {
  min-height: 24px;
  margin: 0;
  font-weight: 750;
}

.form-status.is-success {
  color: var(--blue-dark);
}

.form-status.is-error {
  color: #b42318;
}

.faq-grid article {
  background: #ffffff;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(360px, 1fr);
  gap: 34px;
  align-items: start;
}

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

.about-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-top: 34px;
}

.about-info-card {
  padding: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(140deg, #ffffff 0%, #f8fcff 100%);
  box-shadow: 0 16px 44px rgba(36, 68, 111, .08);
}

.about-info-card h2 {
  margin: 0 0 20px;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
}

.step-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-weight: 700;
}

.step-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-weight: 850;
}

.clean-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  color: var(--muted);
}

.site-footer {
  padding: 58px clamp(20px, 5vw, 72px) 28px;
  color: #d8e7f5;
  background: linear-gradient(135deg, #102033 0%, #173c5b 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr repeat(3, 1fr);
  gap: 28px;
}

.site-footer h2 {
  margin: 0 0 14px;
  color: #ffffff;
  font-size: 15px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.site-footer p,
.site-footer a {
  display: block;
  margin: 0 0 9px;
  color: #d8e7f5;
  font-size: 14px;
}

.site-footer a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid rgba(216, 231, 245, .18);
  color: #b9cfe3;
  font-size: 13px;
}

.footer-bottom a {
  color: #b9cfe3;
  font-size: 13px;
}

.inquiry-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 72px clamp(20px, 5vw, 72px);
  padding: clamp(30px, 4vw, 48px);
  background:
    linear-gradient(120deg, rgba(9, 105, 218, .08), rgba(38, 182, 218, .1)),
    #ffffff;
}

.inquiry-section p {
  max-width: 760px;
  margin-bottom: 0;
}

.workflow-video-section {
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, var(--soft) 100%);
}

.workflow-video-heading {
  margin-bottom: 36px;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.workflow-video-frame {
  position: relative;
  width: 78%;
  max-width: 1050px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #081421;
  box-shadow: 0 18px 48px rgba(22, 48, 79, .14);
}

.workflow-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  width: 78%;
  max-width: 1050px;
  margin: 30px auto 0;
  padding: 0;
  list-style: none !important;
  list-style-type: none !important;
}

.workflow-steps li {
  position: relative;
  min-width: 0;
  padding: 22px;
  border-top: 3px solid var(--blue);
  border-radius: 4px 4px 8px 8px;
  background: var(--surface);
  box-shadow: 0 12px 32px rgba(36, 68, 111, .08);
}

.workflow-steps li::marker {
  content: "";
}

.workflow-steps li:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -13px;
  z-index: 1;
  width: 8px;
  height: 8px;
  border-top: 2px solid #9bbfe2;
  border-right: 2px solid #9bbfe2;
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.workflow-steps span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .08em;
}

.workflow-steps strong {
  display: block;
  line-height: 1.35;
}

.workflow-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  width: 78%;
  max-width: 1050px;
  margin: 32px auto 0;
}

@media (max-width: 1180px) {
  .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .preview-grid.product-grid,
  .footer-grid,
  .product-overview-grid,
  .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand {
    min-width: 0;
  }

  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .matching-section,
  .split-hero,
  .application-detail,
  .product-solution,
  .product-solution.is-reversed,
  .product-detail-hero,
  .about-layout,
  .about-info-grid,
  .policy-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .product-solution.is-reversed .product-visual {
    order: 0;
  }

  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  .hero-collage {
    min-height: 420px;
  }

  .advantage-grid,
  .application-grid,
  .entrance-grid,
  .preview-grid.product-grid,
  .preview-grid.application-grid,
  .faq-grid,
  .sales-product-grid,
  .sales-card-grid,
  .related-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .row-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .inquiry-section {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .workflow-video-frame,
  .workflow-steps,
  .workflow-actions {
    width: 100%;
  }

  .workflow-steps li::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 10px;
    align-items: center;
    padding: 10px 16px;
    z-index: 50;
  }

  .brand {
    gap: 9px;
    min-width: 0;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
    border-radius: 8px;
  }

  .brand-text {
    min-width: 0;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .brand-text small {
    display: none;
  }

  .language-switch {
    gap: 2px;
    padding: 3px;
  }

  .language-switch button,
  .language-switch a {
    min-width: 36px;
    height: 28px;
    padding: 0 8px;
    font-size: 12px;
  }

  .mobile-menu-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }

  .site-nav {
    display: none !important;
    position: absolute;
    top: calc(100% + 8px);
    right: 12px;
    width: 170px;
    max-width: calc(100vw - 24px);
    gap: 0;
    flex-direction: column;
    align-items: stretch;
    overflow: hidden;
    padding: 8px;
    border: 1px solid rgba(148, 163, 184, .35);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 16px 40px rgba(15, 23, 42, .14);
    z-index: 100;
  }

  .site-nav.is-open {
    display: flex !important;
  }

  .site-nav a {
    display: block;
    padding: 10px 12px;
    border-bottom: 1px solid rgba(219, 231, 243, .68);
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.25;
    text-align: left;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav .is-current {
    color: var(--blue);
    background: var(--soft-blue);
  }

  .section {
    padding: 50px 16px;
  }

  .hero {
    gap: 26px;
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .home-hero {
    grid-template-columns: 1fr;
  }

  .home-hero .hero-visual {
    display: block;
  }

  .hero h1 {
    max-width: 12ch;
    font-size: 36px;
  }

  .hero-subtitle {
    margin-top: 16px;
    font-size: 17px;
    line-height: 1.55;
  }

  .hero-note {
    margin-top: 12px;
  }

  .hero-actions,
  .inquiry-actions {
    gap: 10px;
    margin-top: 24px;
  }

  .trust-strip,
  .sales-product-grid,
  .sales-card-grid,
  .product-summary-grid,
  .related-product-grid {
    grid-template-columns: 1fr;
  }

  .mobile-value-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .mobile-value-points span {
    min-height: 0;
    padding: 7px 5px;
    font-size: 12px;
    line-height: 1.2;
  }

  .trust-strip span {
    min-height: 44px;
  }

  .mobile-bottom-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 80;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(219, 231, 243, .9);
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 -12px 28px rgba(16, 32, 51, .12);
  }

  .mobile-bottom-bar .button {
    min-height: 46px;
    padding: 0 12px;
  }

  body:has(.mobile-bottom-bar) {
    padding-bottom: calc(74px + env(safe-area-inset-bottom));
  }

  .product-detail-hero {
    padding: 28px 16px 36px;
  }

  .product-detail-media {
    order: 2;
  }

  .product-detail-copy {
    order: 1;
  }

  .product-detail-copy h1 {
    font-size: clamp(32px, 10vw, 44px);
  }

  .product-detail-media img {
    aspect-ratio: 1.25;
  }

  .hero-actions .button {
    width: auto;
    min-width: 0;
  }

  .hero-image-panel {
    max-width: 100%;
    margin: 0;
  }

  .hero-image-panel img {
    aspect-ratio: 1.55;
    transform: none;
  }

  .page-hero,
  .product-page-hero {
    min-height: auto;
    padding-top: 46px;
    padding-bottom: 46px;
  }

  .page-hero {
    gap: 14px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .page-hero p:not(.eyebrow) {
    font-size: 17px;
  }

  .section-heading {
    margin-bottom: 24px;
  }

  .entrance-grid article,
  .product-grid article,
  .detail-card,
  .contact-card,
  .about-info-card,
  .process-card {
    padding: 20px;
  }

  .product-grid article {
    min-height: auto;
  }

  .advantage-grid,
  .product-grid,
  .application-grid,
  .entrance-grid,
  .preview-grid.product-grid,
  .preview-grid.application-grid,
  .spec-grid,
  .product-overview-grid,
  .product-meta,
  .sales-product-grid,
  .sales-card-grid,
  .product-summary-grid,
  .related-product-grid,
  .project-support-grid,
  .form-row,
  .faq-grid,
  .about-cards {
    grid-template-columns: 1fr;
  }

  .product-overview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .product-overview-grid a {
    min-height: 92px;
    padding: 14px 12px;
    font-size: 14px;
    line-height: 1.25;
  }

  .product-overview-grid a:last-child {
    grid-column: span 2;
  }

  .product-grid article span,
  .product-overview-grid span,
  .detail-card > span {
    margin-bottom: 16px;
  }

  .product-overview-section {
    padding-top: 36px;
    padding-bottom: 28px;
  }

  .product-overview-section .section-heading {
    margin-bottom: 16px;
  }

  .sales-product-card {
    gap: 7px;
    padding: 12px;
  }

  .sales-product-card img {
    aspect-ratio: 1.65;
    object-fit: cover;
  }

  .sales-product-card h3 {
    font-size: 17px;
  }

  .sales-product-card p {
    margin-top: 0;
    font-size: 14px;
    line-height: 1.4;
  }

  .sales-product-card .button {
    min-height: 44px;
    margin-top: 2px;
  }

  .contact-layout .inquiry-form-card {
    order: 1;
  }

  .contact-layout > .contact-card:first-child {
    order: 2;
  }

  .contact-layout .contact-information-card {
    display: block;
    order: 3;
  }

  .contact-layout .contact-info-block {
    display: none;
  }

  .product-overview-grid a {
    min-height: auto;
    padding: 16px;
  }

  .product-solution-list {
    gap: 18px;
    padding-top: 28px;
  }

  .product-solution {
    gap: 20px;
    padding: 18px;
  }

  .product-visual {
    min-height: auto;
  }

  .product-visual.image-visual img {
    height: auto;
    min-height: 0;
    max-height: 320px;
  }

  .product-meta {
    gap: 12px;
    margin-top: 18px;
  }

  .product-meta div,
  .spec-grid div,
  .faq-grid article {
    padding: 16px;
  }

  .application-detail {
    gap: 18px;
    padding: 18px;
  }

  .application-grid h3,
  .application-grid p {
    padding-inline: 16px;
  }

  .application-grid h3 {
    padding-top: 14px;
  }

  .application-grid p {
    padding-bottom: 18px;
  }

  .matching-hero-image {
    min-height: auto;
  }

  .matching-hero-image img {
    width: 100%;
    height: auto;
  }

  .form-row,
  .inquiry-form {
    gap: 12px;
  }

  .inquiry-form input,
  .inquiry-form select,
  .inquiry-form textarea {
    max-width: 100%;
  }

  .inquiry-form select {
    min-height: 48px;
    width: 100%;
    font-size: 16px;
  }

  .inquiry-form option {
    font-size: 16px;
  }

  .inquiry-form .button {
    width: 100%;
  }

  .card-actions .button,
  .inquiry-actions .button {
    width: 100%;
  }

  .contact-layout {
    padding-bottom: calc(58px + env(safe-area-inset-bottom));
  }

  .site-footer {
    padding: 44px 16px calc(34px + env(safe-area-inset-bottom));
  }

  body:has(.mobile-bottom-bar) .site-footer {
    padding-bottom: calc(92px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 640px) {
  .section {
    padding: 48px 16px;
  }

  .site-header {
    padding: 10px 16px;
  }

  .brand {
    font-size: 16px;
  }

  .brand-text small {
    display: none;
  }

  .main-nav {
    gap: 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .advantage-grid,
  .lead-time-grid,
  .product-grid,
  .application-grid,
  .entrance-grid,
  .preview-grid.product-grid,
  .preview-grid.application-grid,
  .spec-grid,
  .product-overview-grid,
  .product-meta,
  .form-row,
  .faq-grid,
  .about-cards {
    grid-template-columns: 1fr;
  }

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

  .product-visual {
    min-height: 260px;
  }

  .footer-grid,
  .footer-bottom {
    display: grid;
    grid-template-columns: 1fr;
  }

  .visual-panel {
    border-radius: 16px;
  }

  .inquiry-section {
    margin: 38px 16px;
  }

  .workflow-steps {
    grid-template-columns: 1fr;
  }

  .workflow-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .workflow-actions .button {
    width: 100%;
  }
}