:root {
  --ink: #0f1f26;
  --ink-2: #19313a;
  --muted: #667a83;
  --line: #d7e2e6;
  --paper: #f4f8f9;
  --white: #ffffff;
  --teal: #009b9f;
  --teal-dark: #006c72;
  --blue: #1b5f93;
  --steel: #bfd0d6;
  --gold: #bf8b2e;
  --brand-red: #c8102e;
  --brand-red-dark: #8f0b20;
  --shadow: 0 24px 70px rgba(13, 42, 52, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

section[id] {
  scroll-margin-top: 96px;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 82px;
  padding: 16px clamp(22px, 4.4vw, 68px);
  background: rgba(247, 250, 251, 0.9);
  border-bottom: 1px solid rgba(215, 226, 230, 0.82);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

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

.wordmark {
  color: var(--brand-red);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 900;
  line-height: 0.78;
  color: var(--brand-red);
  letter-spacing: 0;
  transform: scaleX(1.18);
  transform-origin: left center;
}

.brand-text small {
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex: 1;
  color: #334a52;
  font-size: 14px;
  font-weight: 700;
}

.global-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #4d646d;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.global-tools span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(0, 155, 159, 0.12);
}

.language-select {
  min-width: 38px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
  padding: 0 8px;
}

.main-nav a {
  padding: 10px 0;
}

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

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 800;
}

.header-cta,
.button.primary {
  background: var(--teal-dark);
  color: var(--white);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.44);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--white);
}

.menu-button span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 100vh;
  padding: 132px clamp(22px, 5.5vw, 80px) 64px;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(7, 22, 28, 0.98) 0%, rgba(7, 22, 28, 0.88) 42%, rgba(7, 22, 28, 0.56) 70%, rgba(7, 22, 28, 0.28) 100%),
    #10272f;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  background: linear-gradient(180deg, transparent, rgba(244, 248, 249, 0.88));
}

.hero-backdrop {
  position: absolute;
  inset: 0;
}

.hero-backdrop::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7, 22, 28, 0.98) 0%, rgba(7, 22, 28, 0.88) 38%, rgba(7, 22, 28, 0.46) 64%, rgba(7, 22, 28, 0.14) 100%),
    linear-gradient(180deg, rgba(7, 22, 28, 0.24), rgba(7, 22, 28, 0.62));
}

.hero-backdrop img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% center;
  filter: saturate(0.92) contrast(1.02);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
  gap: 56px;
  align-items: end;
  min-height: calc(100vh - 196px);
}

.global-strip {
  position: relative;
  z-index: 3;
  margin-top: -1px;
  padding: 0 clamp(22px, 5vw, 78px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.global-strip-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}

.global-strip-grid div {
  min-height: 128px;
  padding: 28px;
  border-right: 1px solid var(--line);
  background: var(--white);
}

.global-strip-grid strong,
.global-strip-grid span {
  display: block;
}

.global-strip-grid strong {
  margin-bottom: 8px;
  font-size: 17px;
}

.global-strip-grid span {
  color: var(--muted);
}

.hero-copy {
  max-width: 830px;
}

.eyebrow,
.kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #7ae2df;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 880px;
  margin-bottom: 26px;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

html[lang="zh-CN"] h1,
html[lang="ja"] h1 {
  font-size: clamp(44px, 6vw, 82px);
}

html[lang="es"] h1 {
  font-size: clamp(42px, 6.4vw, 88px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
}

.hero-lede {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(18px, 2vw, 24px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(7, 34, 43, 0.58);
  backdrop-filter: blur(14px);
}

.hero-panel > p {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 800;
}

.hero-panel dl {
  margin: 0;
}

.hero-panel div {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-panel dt {
  font-size: 25px;
  font-weight: 900;
}

.hero-panel dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.section-inner {
  width: min(1220px, 100%);
  margin: 0 auto;
}

.statement-section,
.human-section,
.academy-section,
.sector-section,
.portfolio-section,
.systems-section,
.service-section,
.contact-section {
  padding: 102px clamp(22px, 5vw, 78px);
}

.human-section {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.human-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 58px;
  align-items: center;
}

.human-photo {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.human-photo img {
  display: block;
  width: 100%;
  aspect-ratio: 1.35;
  object-fit: cover;
  object-position: center;
}

.human-copy p {
  color: var(--muted);
  font-size: 18px;
}

.human-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.human-points span {
  padding: 10px 13px;
  border: 1px solid rgba(200, 16, 46, 0.18);
  background: rgba(200, 16, 46, 0.06);
  color: var(--brand-red-dark);
  font-size: 13px;
  font-weight: 900;
}

.statement-section {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.statement-grid {
  display: grid;
  grid-template-columns: 210px minmax(0, 1.1fr) minmax(300px, 0.7fr);
  gap: 42px;
  align-items: start;
}

.statement-grid h2 {
  font-size: clamp(32px, 4.6vw, 62px);
}

.statement-grid p:last-child,
.portfolio-intro p,
.sector-grid p,
.portfolio-list p,
.system-board p,
.service-columns p,
.contact-grid p,
.site-footer p,
.site-footer a {
  color: var(--muted);
}

.section-heading {
  max-width: 790px;
  margin-bottom: 48px;
}

.section-heading p {
  color: var(--muted);
  font-size: 17px;
}

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

.academy-section {
  background:
    linear-gradient(180deg, rgba(244, 248, 249, 0.96), rgba(232, 240, 242, 0.96)),
    linear-gradient(135deg, #eef5f6, #dbe8ec);
}

.academy-layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: 58px;
  align-items: start;
}

.academy-panel {
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.academy-feature {
  min-height: 300px;
  padding: 34px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(15, 31, 38, 0.92), rgba(15, 31, 38, 0.72)),
    linear-gradient(135deg, #e9f3f4, #c8dce1);
}

.academy-feature h3 {
  max-width: 560px;
  font-size: clamp(30px, 3.5vw, 48px);
}

.academy-feature p {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.75);
}

.academy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
}

.academy-grid article {
  min-height: 188px;
  padding: 26px;
  background: var(--white);
}

.academy-grid span {
  display: inline-block;
  margin-bottom: 36px;
  color: var(--brand-red-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.academy-grid p {
  color: var(--muted);
}

.sector-section {
  background: #edf4f5;
}

.sector-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--line);
  gap: 1px;
}

.sector-grid article {
  min-height: 360px;
  padding: 32px;
  background: var(--white);
}

.sector-grid span,
.system-board span {
  display: inline-block;
  margin-bottom: 72px;
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.sector-grid a {
  display: inline-flex;
  margin-top: 24px;
  color: var(--teal-dark);
  font-weight: 900;
}

.portfolio-section {
  background: var(--ink);
  color: var(--white);
}

.portfolio-layout {
  display: grid;
  grid-template-columns: minmax(290px, 0.72fr) minmax(0, 1.28fr);
  gap: 58px;
}

.portfolio-intro {
  position: sticky;
  top: 112px;
  align-self: start;
}

.portfolio-intro p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
}

.portfolio-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.portfolio-list article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  min-height: 210px;
  padding: 28px;
  background: #132b34;
}

.portfolio-list p {
  color: rgba(255, 255, 255, 0.66);
}

.product-icon {
  position: relative;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(135, 216, 216, 0.38);
  background: rgba(0, 155, 159, 0.12);
}

.product-icon::before,
.product-icon::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.icon-washer::before,
.icon-sterilizer::before,
.icon-dryer::before {
  inset: 12px 14px;
}

.icon-washer::after,
.icon-sterilizer::after,
.icon-dryer::after {
  left: 20px;
  right: 20px;
  bottom: 15px;
  height: 7px;
  background: rgba(255, 255, 255, 0.24);
}

.icon-disinfection::before {
  inset: 14px 10px 12px;
  border-radius: 50% 50% 6px 6px;
}

.icon-disinfection::after {
  left: 28px;
  top: 7px;
  width: 6px;
  height: 20px;
  background: rgba(255, 255, 255, 0.26);
}

.icon-endoscope::before {
  left: 12px;
  top: 18px;
  width: 36px;
  height: 20px;
  border-radius: 50%;
}

.icon-endoscope::after {
  right: 10px;
  bottom: 10px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.icon-consumable::before {
  left: 12px;
  top: 12px;
  width: 17px;
  height: 38px;
}

.icon-consumable::after {
  right: 12px;
  top: 18px;
  width: 22px;
  height: 30px;
  background: rgba(191, 139, 46, 0.22);
}

.systems-section {
  background: var(--white);
}

.system-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  background: var(--line);
  gap: 1px;
}

.system-board article {
  min-height: 260px;
  padding: 28px;
  background: var(--paper);
}

.system-board .system-feature {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(15, 31, 38, 0.9), rgba(15, 31, 38, 0.72)),
    linear-gradient(135deg, #d9e6e9, #f5fafb);
  color: var(--white);
}

.system-feature p {
  color: rgba(255, 255, 255, 0.72);
}

.service-section {
  background: #e8f0f2;
}

.service-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: 58px;
}

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

.service-columns article {
  padding: 0 0 24px 28px;
  border-left: 3px solid var(--teal-dark);
}

.contact-section {
  background: linear-gradient(135deg, #10272f, #143f49);
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(330px, 1.1fr);
  gap: 62px;
  align-items: start;
}

.contact-grid p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
}

.contact-strip {
  display: grid;
  gap: 12px;
  margin-top: 30px;
  color: #8ee4df;
  font-weight: 900;
}

.office-list {
  display: grid;
  gap: 12px;
  margin-top: 34px;
}

.office-list h3 {
  margin-bottom: 4px;
  color: var(--white);
}

.office-list article {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

.office-list strong {
  display: block;
  margin-bottom: 8px;
  color: #8ee4df;
}

.office-list p {
  margin-bottom: 6px;
  font-size: 15px;
}

.office-list p:last-child {
  margin-bottom: 0;
}

.inquiry-form {
  display: grid;
  gap: 16px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 2px;
  padding: 13px 12px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
}

.inquiry-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.site-footer {
  padding: 58px clamp(22px, 5vw, 78px);
  background: #08171c;
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px 170px;
  gap: 48px;
}

.footer-brand {
  margin-bottom: 20px;
}

.site-footer p {
  max-width: 480px;
  color: rgba(255, 255, 255, 0.66);
}

.site-footer strong,
.site-footer a {
  display: block;
}

.site-footer strong {
  margin-bottom: 14px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.62);
}

.site-footer a + a {
  margin-top: 9px;
}

@media (max-width: 1040px) {
  .main-nav,
  .header-cta {
    display: none;
  }

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

  .menu-button {
    display: block;
  }

  .site-header.menu-open .main-nav {
    position: absolute;
    top: 81px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 2px;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-header.menu-open .main-nav a {
    padding: 12px;
  }

  .hero-grid,
  .statement-grid,
  .human-layout,
  .academy-layout,
  .portfolio-layout,
  .service-grid,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-backdrop {
    opacity: 0.48;
  }

  .hero-panel {
    max-width: 560px;
  }

  .portfolio-intro {
    position: static;
  }

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

  .global-strip-grid {
    grid-template-columns: 1fr;
    border-top: 1px solid var(--line);
  }

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

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

@media (max-width: 680px) {
  .site-header {
    min-height: 72px;
    padding-inline: 16px;
  }

  .wordmark {
    font-size: 32px;
  }

  .brand-text small {
    font-size: 11px;
  }

  .global-tools span {
    display: none;
  }

  .language-select {
    min-width: 54px;
  }

  .hero {
    padding: 108px 18px 54px;
  }

  h1 {
    font-size: clamp(40px, 12vw, 62px);
  }

  html[lang="zh-CN"] h1,
  html[lang="ja"] h1,
  html[lang="es"] h1 {
    font-size: clamp(36px, 10.2vw, 54px);
  }

  .button,
  .header-cta {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .statement-section,
  .human-section,
  .academy-section,
  .sector-section,
  .portfolio-section,
  .systems-section,
  .service-section,
  .contact-section {
    padding: 72px 18px;
  }

  .sector-grid article {
    min-height: 280px;
  }

  .sector-grid span,
  .system-board span {
    margin-bottom: 42px;
  }

  .portfolio-list,
  .academy-grid,
  .system-board {
    grid-template-columns: 1fr;
  }

  .portfolio-list article {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .system-board .system-feature {
    grid-column: auto;
  }

  .inquiry-form {
    padding: 22px;
  }
}