:root {
  --ink: #0b1728;
  --navy: #0b2948;
  --navy-2: #12395f;
  --steel: #5e6f80;
  --line: #d8e0e7;
  --soft: #f4f7f9;
  --white: #ffffff;
  --accent: #0457cc;
  --accent-2: #eaf2ff;
  --warning: #c47a20;
  --max: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.scroll-reveal-ready .scroll-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .65, .2, 1);
}

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

html.scroll-reveal-ready body.product-view .product-scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.15s ease var(--product-reveal-delay, 0ms),
    transform 1.15s cubic-bezier(.16, .72, .24, 1) var(--product-reveal-delay, 0ms);
}

html.scroll-reveal-ready body.product-view .product-scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html.product-reveal-preparing body.product-view .product-scroll-reveal {
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  html.scroll-reveal-ready .scroll-reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--accent);
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  height: 90px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 5px rgb(6 25 45 / 10%);
}

.header-inner {
  width: 100%;
  height: 100%;
  padding: 0 0 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  flex-shrink: 0;
}

.brand img {
  width: 300px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  align-self: stretch;
  gap: 14px;
  font-size: 16px;
  font-weight: 700;
}

.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  align-self: stretch;
  padding: 0 11px;
  transition: color 180ms ease;
}

.primary-nav a[aria-current="page"],
.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--accent);
}

.primary-nav a:not(.nav-contact):not(.nav-language)::after {
  content: "";
  position: absolute;
  right: 11px;
  bottom: -1px;
  left: 11px;
  height: 5px;border-radius:4px 4px 0 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 240ms ease;
}

.primary-nav a[aria-current="page"]::after,
.primary-nav a:not(.nav-contact):not(.nav-language):hover::after,
.primary-nav a:not(.nav-contact):not(.nav-language):focus-visible::after {
  transform: scaleX(1);
}

.primary-nav .nav-language {
  width: 78px;
  min-width: 78px;
  align-self: stretch;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 8px 6px;
  background: #FF733D;
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition: background-color 180ms ease;
}

.primary-nav .nav-language:hover,
.primary-nav .nav-language:focus-visible {
  background: #e85f2d;
  color: var(--white);
}

.nav-language svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.primary-nav .nav-contact {
  gap: 9px;min-width: 176px;
  margin-left: -14px;
  padding: 0 26px;justify-content: center;
  background: var(--accent);
  color: var(--white);
  white-space: nowrap;
  transition: background-color 180ms ease;
}

.primary-nav .nav-contact:hover,
.primary-nav .nav-contact[aria-current="page"] {
  background: #0348aa;
  color: var(--white);
}

.nav-mail-icon {
  width: 19px;
  height: 19px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--navy);
  border-radius: 6px;
  font-size: 0;
  cursor: pointer;
}

.menu-toggle::before,
.menu-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 2px;
  margin-left: -10px;
  margin-top: -1px;
  background: currentColor;
  transition: transform .25s ease, box-shadow .25s ease;
}

.menu-toggle::before {
  transform: translateY(-6px);
  box-shadow: 0 6px 0 currentColor;
}

.menu-toggle::after {
  transform: translateY(6px);
}

.menu-toggle.is-open::before {
  transform: rotate(45deg);
  box-shadow: none;
}

.menu-toggle.is-open::after {
  transform: rotate(-45deg);
}

.mobile-menu-phone {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100vh - 90px);
  min-height: calc(100svh - 90px);
  background: var(--navy);
  color: var(--white);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(6, 25, 45, 0.88), rgba(6, 25, 45, 0.56) 54%, rgba(6, 25, 45, 0.18));
  pointer-events: none;
}

.hero-media,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  background-position: center;
  background-size: cover;
  opacity: 0;
  transition: opacity 1100ms ease;
}

.hero-slide:first-child {
  background-image: url("../img/hero-water-treatment-01.jpg");
}

.hero-slide:last-child {
  background-image: url("../img/hero-water-treatment-02.jpg");
}

.hero-slide.is-active {
  opacity: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  min-height: calc(100vh - 90px);
  min-height: calc(100svh - 90px);
  display: flex;
  align-items: center;
  padding: 100px 0 112px;
}

.hero-copy {
  max-width: 760px;
  min-width: 0;
}

.hero-copy > .eyebrow,
.hero-copy > h1,
.hero-copy > .lead,
.hero-copy > .actions {
  animation: home-hero-enter .9s cubic-bezier(.22, 1, .36, 1) both;
}

.hero-copy > .eyebrow { animation-delay: .12s; }
.hero-copy > h1 { animation-delay: .28s; }
.hero-copy > .lead { animation-delay: .46s; }
.hero-copy > .actions { animation-delay: .64s; }

@keyframes home-hero-enter {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .hero-copy > .eyebrow,
  .hero-copy > h1,
  .hero-copy > .lead,
  .hero-copy > .actions {
    animation: none;
  }
}

.hero-pager {
  position: absolute;
  bottom: 34px;
  left: 0;
  display: flex;
  gap: 10px;
}

.hero-pager button {
  width: 44px;
  height: 6px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.48);
  cursor: pointer;
  transition: background-color 200ms ease;
}

.hero-pager button[aria-pressed="true"],
.hero-pager button:hover {
  background: var(--white);
}

.hero-pager button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-2);
  font-size:22px;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.12;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.language-en .hero-copy h1 {
  max-width: 820px;
  font-size: clamp(38px, 4vw, 58px);
  line-height: 1.18;
  overflow-wrap: normal;
  word-break: normal;
}

.language-en .hero-copy .eyebrow {
  font-size: 19px;
}

h2 {
  margin-bottom: 18px;
  color: var(--navy);
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  color: var(--navy);
  font-size: 22px;
  line-height: 1.35;
}

.lead {
  max-width: 780px;
  color: #e8eef4;
  font-size: 19px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  line-height: 1.2;
}

.button:hover {
  background: #0348aa;
  border-color: #0348aa;
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--navy);
}

.button.secondary:hover {
  background: var(--accent-2);
  color: var(--navy);
  border-color: var(--accent);
}

.button.button--more {
  position: relative;
  justify-content: flex-start;
  min-width: 202px;
  min-height: 62px;
  padding: 0 76px 0 24px;
  border-color: var(--accent);
  border-radius: 8px;
  background:none;
  color: var(--accent);
  font-size: 15px;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.button.button--more::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 55px;
  width: 1px;
  height: 24px;
  background: currentColor;
  opacity: .45;
  transform: translateY(-50%);
}

.button.button--more .button-more-arrow {
  position: absolute;
  top: 50%;
  right: 18px;
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform: translateY(-50%);
  transition: transform .2s ease;
}

.button.button--more:hover,
.button.button--more:focus-visible {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.button.button--more:hover .button-more-arrow,
.button.button--more:focus-visible .button-more-arrow {
  transform: translate(4px, -50%);
}

.hero .button.button--more {
  border-color: #fff;
  background: transparent;
  color: #fff;
}

.hero .button.button--more:hover,
.hero .button.button--more:focus-visible {
  border-color: #fff;
  background: #fff;
  color:var(--accent);
}

.section {
  padding: 88px 0;
  overflow: hidden;
}

.section.alt {
  background: var(--soft);
}

.ambient-section {
  position: relative;
  isolation: isolate;
}

.ambient-section > .container,
.ambient-section > .industry-carousel {
  position: relative;
  z-index: 1;
}

.ambient-loop {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  pointer-events: none;
  color: var(--line);
  filter: blur(4px);opacity: .2;
}

.ambient-loop-track {
  display: flex;
  width: max-content;
  white-space: nowrap;
  font-family: General Semibold, sans-serif;
  font-size: 200px;
  font-weight: 700;
  line-height: 1.1;
  animation: ambient-loop-scroll 180s linear infinite;
}

.ambient-loop-track span {
  flex: none;
}

.ambient-loop--reverse .ambient-loop-track {
  animation-direction: reverse;
}

@keyframes ambient-loop-scroll {
  to { transform: translateX(-50%); }
}

@media (max-width: 640px) {
  .ambient-loop-track { font-size: 78px; }
}

@media (prefers-reduced-motion: reduce) {
  .ambient-loop-track { animation: none; }
}

.section-head {
  max-width: 820px;
  margin-bottom: 42px;
}

.section-head p {
  color: var(--steel);
  font-size: 18px;
}

.business-kicker {
  margin: 0 0 15px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.section-head .business-kicker {
  color: var(--accent);
  font-size: 13px;
}

.home-section-title {
  margin-bottom: 22px;
  line-height: 1.15;
}

.home-section-title .home-title-en {
  position: relative;
  isolation: isolate;
  display: block;
  color: var(--accent);font-family: General Semibold, sans-serif;
  font-size:68px;
  font-weight: 700;
  line-height: 1.1;
}

.home-title-en.title-split .title-word {
  display: inline-block;
  white-space: nowrap;
}

.home-title-en.title-split .title-char {
  display: inline-block;
  opacity: 0;
  filter: blur(12px);
  transform: translate3d(var(--char-x), 10px, 0) scale(1.6);
  transition: opacity .8s ease, filter 1s ease, transform 1s cubic-bezier(.2, .7, .2, 1);
  transition-delay: calc(var(--char-index) * 45ms);
}

.home-title-en.title-split.is-title-visible .title-char {
  opacity: 1;
  filter: blur(0);
  transform: translate3d(0, 0, 0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .home-title-en.title-split .title-char {
    opacity: 1;
    filter: none;
    transform: none;
    transition: none;
  }
}

.home-section-title .home-title-en::before,
.home-section-title .home-title-en::after {
  content: "";
  position: absolute;
  z-index: -1;
  pointer-events: none;
}

.home-section-title .home-title-en::before {
  top: 9px;
  left: -48px;
  width: 38px;
  height: 38px;
  background: linear-gradient(90deg, #45c8ed, var(--accent));
}

.home-section-title .home-title-en::after {
  top: 36px;
  left: -22px;
  width: 21px;
  height: 22px;
  background: #ff904e;
}

.challenges-section .home-title-en::before {
  content: none;
}

.challenges-section .home-title-en::after {
  top: auto;
  bottom: 4px;
  left: 50%;
  width: 132px;
  height: 13px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #ffb449, #ff7657);
}

@media (max-width: 1360px) {
  .home-section-title .home-title-en::before {
    top: -26px;
    left: 0;
    width: 24px;
    height: 24px;
  }

  .home-section-title .home-title-en::after {
    top: -12px;
    left: 16px;
    width: 14px;
    height: 14px;
  }

  .challenges-section .home-title-en::after {
    top: auto;
    left: 50%;
    width: 132px;
    height: 13px;
  }
}

@media (max-width: 640px) {
  .home-section-title .home-title-en::before {
    top: -18px;
    width: 16px;
    height: 16px;
  }

  .home-section-title .home-title-en::after {
    top: -8px;
    left: 11px;
    width: 10px;
    height: 10px;
  }

  .challenges-section .home-title-en::after {
    top: auto;
    left: 50%;
    width: 76px;
    height: 9px;
  }
}

.home-section-title .home-title-jp {
  display: block;
  margin-top: 9px;
  color: var(--navy);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.5;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.card {
  height: 100%;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

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

.service-area-grid > .card {
  padding: 0 28px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.service-area-grid > .card + .card {
  border-left: 1px solid var(--line);
}

.service-area-grid > .card:first-child { padding-left: 0; }
.service-area-grid > .card:last-child { padding-right: 0; }

@media (max-width: 760px) {
  .grid-3.service-area-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .service-area-grid > .card,
  .service-area-grid > .card:first-child,
  .service-area-grid > .card:last-child {
    padding: 24px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }

  .service-area-grid > .card + .card { border-left: 0; }

  .service-area-grid > .card:first-child { padding-top: 0; }
  .service-area-grid > .card:last-child { padding-bottom: 0; border-bottom: 0; }
}

.card strong {
  display: block;
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 8px;
}

.issue-icon {
  width: 82px;
  height: 82px;
  margin-bottom: 20px;
}

.challenges-section .section-head {
  max-width: none;
  text-align: center;
}

.challenges-section .issue-card {
  border: 0;
  border-radius: 0;
  background: transparent;
  text-align: center;
}

.challenges-section .issue-icon {
  display: block;
  margin: 0 auto 20px;
}

.card p:last-child,
.feature-row p:last-child,
.case-card p:last-child {
  margin-bottom: 0;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  min-width: 0;
  padding: 32px 18px;
  text-align: center;
}

.metric + .metric {
  border-left: 1px solid var(--line);
}

.metric-label {
  display: block;
  min-height: 3em;
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.metric-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  color: var(--accent);
  white-space: nowrap;
}

.metric-value b {
  font-size: 58px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.metric-value small {
  font-size: 17px;
  font-weight: 700;
}

@media (max-width: 1160px) {
  .metric:nth-child(3) { border-left: 0; }
  .metric:nth-child(n + 3) { border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .metric { padding: 24px 8px; }
  .metric + .metric { border-left: 0; }
  .metric:nth-child(2n) { border-left: 1px solid var(--line); }
  .metric-label { min-height: 0; margin-bottom: 8px; }
  .metric-value b { font-size: 38px; }
  .metric-value small { font-size: 14px; }
}

.feature-row {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 42px;
  align-items: center;
}

.feature-row + .feature-row {
  margin-top: 58px;
}

.feature-row.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.feature-row.reverse .feature-copy {
  order: 2;
}

.media-frame {
  overflow: hidden;
  background: #e8eef4;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.media-frame img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.media-frame .home-product-image {
  aspect-ratio: 16 / 12;
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--steel);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.875em;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 2px;
  transform: translateY(-50%);
}

.home-product-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-left: 0;
}

.home-product-checklist li::before {
  content: none;
}

.home-product-checklist svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 0.3em;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.industry-carousel {
  position: relative;
}

.industry-marquee {
  position: relative;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.industry-marquee::-webkit-scrollbar {
  display: none;
}

.industry-marquee.is-auto {
  overflow: hidden;
  touch-action: pan-y;
}

.industry-marquee.is-auto .industry-track {
  animation: industry-marquee-scroll var(--industry-duration, 80s) linear infinite;
  will-change: transform;
  transform: translate3d(0, 0, 0);
}

.industry-marquee.is-auto.is-paused .industry-track,
.industry-marquee.is-auto.is-offscreen .industry-track,
body.menu-open .industry-marquee.is-auto .industry-track {
  animation-play-state: paused;
}

@media (hover: hover) {
  .industry-marquee.is-auto:hover .industry-track {
    animation-play-state: paused;
  }
}

@keyframes industry-marquee-scroll {
  to { transform: translate3d(var(--industry-distance, -50%), 0, 0); }
}

.industry-track,
.industry-group {
  display: flex;
  width: max-content;
}

.industry-group {
  flex: none;
  gap: 18px;
  margin: 0;
  padding: 0 18px 0 0;
  list-style: none;
}

.industry-card {
  flex: none;
  width: clamp(280px, 32vw, 480px);
}

.industry-card figure {
  margin: 0;
}

.industry-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 4px 4px 0 0;
}

.industry-card figcaption {
  min-height: 54px;
  padding: 13px 16px;
  border-radius: 0 0 4px 4px;
  background: #fff;
  color: var(--navy);
  font-size: 17px;
  font-weight: 700;
}

.industry-motion-toggle {
  position: absolute;
  z-index: 2;
  top: 12px;
  right: 20px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
}

.industry-motion-toggle::before {
  content: "Ⅱ";
}

.industry-motion-toggle[aria-pressed="true"]::before {
  content: "▶";
  font-size: 17px;
}

.industry-motion-toggle:hover,
.industry-motion-toggle:focus-visible {
  background: #0348aa;
}

.page-hero {
  padding: 82px 0;
  background-color: var(--navy);
  background-image: linear-gradient(90deg, rgba(7, 30, 55, .45), rgba(7, 30, 55, .06)), var(--page-hero-image);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: var(--white);
  overflow: hidden;
}

.page-hero--business { --page-hero-image: url("../img/page-hero-business.webp"); }
.page-hero--cases { --page-hero-image: url("../img/page-hero-cases.webp"); }
.page-hero--company { --page-hero-image: url("../img/page-hero-company.webp"); }
.page-hero--news { --page-hero-image: url("../img/page-hero-news.webp"); }
.page-hero--contact { --page-hero-image: url("../img/page-hero-contact.webp"); }
.page-hero--privacy { --page-hero-image: url("../img/page-hero-privacy.webp"); }

.page-hero h1 {
  margin-bottom: 14px;
}

.page-hero p {
  max-width: 760px;
  margin-bottom: 0;
  color: #fff;
  font-size: 21px;
  font-weight: 700;
}

@media (max-width: 640px) {
  .page-hero {
    background-image: linear-gradient(90deg, rgba(7, 30, 55, .65), rgba(7, 30, 55, .38)), var(--page-hero-image);
    background-position: center, 65% center;
  }
}

.breadcrumb {
  margin-bottom: 20px;
  color: #d8e0e7;
  font-size: 14px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.case-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--soft);
}

.case-card img[src$="/deweha-logo.png"],
.case-dialog-image[src$="/deweha-logo.png"] {
  object-fit: contain;
  padding: clamp(28px, 6vw, 72px);
  background: #f4f7f9;
}

.case-body {
  padding: 24px;
}

.case-company {
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.case-body .tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  background: var(--accent-2);
  color: var(--accent);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
}

.home-cases {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, #fbfeff 0%, #e9f8ff 52%, #cdf1ff 100%);
}

.home-cases > .container {
  position: relative;
  z-index: 1;
}

.home-case-card {
  position: relative;
  display: block;
  border: 0;
  color: #fff;
  text-decoration: none;
}

.home-page.is-interactive .home-case-card {
  cursor: pointer;
}

.home-case-card img {
  display: block;
  transition: transform .45s ease;
}

.home-case-card::before,
.home-case-card::after {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
}

.home-case-card::before {
  background: linear-gradient(180deg, rgba(8, 32, 56, .72), rgba(8, 32, 56, .12) 52%, rgba(4, 87, 204, .82));
}

.home-case-card::after {
  background: rgba(4, 87, 204, .32);
  opacity: 0;
  transition: opacity .35s ease;
}

.home-case-card .case-body {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px;
}

.home-case-category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}

.home-case-category::before {
  content: "";
  width: 5px;
  height: 5px;
  background: #ff9f4a;
}

.home-case-card h3 {
  margin: 0;
  color: #fff;
  font-size: 21px;
  line-height: 1.4;
  text-shadow: 0 1px 8px rgba(0, 0, 0, .3);
}

.home-case-arrow {
  display: grid;
  place-items: center;
  align-self: flex-end;
  width: 34px;
  height: 34px;
  margin-top: auto;
  border-radius: 50%;
  background: #fff;
  color: var(--accent);
  transition: transform .25s ease;
}

.home-case-arrow svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-case-card:hover img,
.home-case-card:focus-visible img {
  transform: scale(1.06);
}

.home-case-card:hover::after,
.home-case-card:focus-visible::after {
  opacity: 1;
}

.home-case-card:hover .home-case-arrow,
.home-case-card:focus-visible .home-case-arrow {
  transform: translateX(4px);
}

.home-case-card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

@media (max-width: 640px) {
  .home-case-card .case-body { padding: 20px; }
  .home-case-card h3 { font-size: 19px; }
}

@media (prefers-reduced-motion: reduce) {
  .home-case-card img,
  .home-case-card::after,
  .home-case-arrow { transition: none; }
}

.cases-page .case-card {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.cases-page.is-interactive .case-card {
  cursor: pointer;
}

.cases-page .case-card img {
  aspect-ratio: 8 / 5;
  border-radius: 0;
  transition: filter .2s ease;
}

.cases-page .case-body {
  padding: 18px 0 0;
}

.cases-page.is-interactive .case-card p {
  display: none;
}

.cases-page.is-interactive .case-card:hover img,
.cases-page.is-interactive .case-card:focus-visible img {
  filter: brightness(.92);
}

.cases-page.is-interactive .case-card:hover h3,
.cases-page.is-interactive .case-card:focus-visible h3 {
  color: var(--accent);
}

.cases-page .case-card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}

.case-dialog {
  width: min(880px, calc(100% - 32px));
  max-height: min(90vh, 920px);
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  box-shadow: 0 24px 80px rgba(6, 28, 54, .24);
  overflow: auto;
}

.case-dialog::backdrop {
  background: rgba(4, 26, 48, .7);
}

.case-dialog-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.case-dialog-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: contain;
  background: var(--soft);
}

.case-dialog-body {
  align-self: center;
  padding: 52px 40px;
}

.case-dialog-company {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.case-dialog-body h2 {
  margin: 0 0 22px;
  font-size: 27px;
  line-height: 1.4;
}

.case-dialog-description {
  margin: 0;
  line-height: 1.9;
}

.case-dialog-close {
  position: sticky;
  z-index: 2;
  top: 14px;
  left: calc(100% - 54px);
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin: 14px 14px -54px auto;
  padding: 0;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.case-dialog-close:hover,
.case-dialog-close:focus-visible {
  background: #0348aa;
}

.case-dialog-close svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

@media (hover: none) and (pointer: coarse) {
  .home-case-card:focus,
  .home-case-card:focus-visible,
  .cases-page .case-card:focus,
  .cases-page .case-card:focus-visible,
  .case-dialog-close:focus,
  .case-dialog-close:focus-visible {
    outline: none;
    box-shadow: none;
  }

  .home-case-card,
  .cases-page .case-card,
  .case-dialog-close {
    -webkit-tap-highlight-color: transparent;
  }
}

body.case-dialog-open {
  overflow: hidden;
}

@media (max-width: 700px) {
  .case-dialog-content { grid-template-columns: minmax(0, 1fr); }
  .case-dialog-image { height: auto; min-height: 0; aspect-ratio: 8 / 5; }
  .case-dialog-body { padding: 26px 24px 32px; }
  .case-dialog-body h2 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .cases-page .case-card img { transition: none; }
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.table th,
.table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.table th {
  width: 220px;
  background: var(--soft);
  color: var(--navy);
}

.home-news-layout {
  display: grid;
  grid-template-columns: minmax(250px, .8fr) minmax(0, 1.6fr);
  gap: clamp(48px, 6vw, 100px);
  align-items: start;
}

.home-news-heading .home-section-title {
  margin-bottom: 42px;
}

.home-news-list {
  border-top: 1px solid var(--line);
}

.home-news-item {
  display: grid;
  grid-template-columns: 126px minmax(0, 1fr) 32px;
  gap: 22px;
  align-items: center;
  min-height: 118px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  color: var(--navy);
}

.home-news-meta time,
.home-news-meta small {
  display: block;
  color: var(--steel);
  font-size: 13px;
  line-height: 1.5;
}

.home-news-meta small {
  margin-top: 7px;
}

.home-news-name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
}

.home-news-item svg {
  width: 32px;
  height: 32px;
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 50%;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform .2s ease, border-color .2s ease;
}

.home-news-item:hover,
.home-news-item:focus-visible {
  color: var(--accent);
}

.home-news-item:hover svg,
.home-news-item:focus-visible svg {
  transform: translateX(3px);
  border-color: var(--accent);
}

.news-page-list .home-news-item {
  scroll-margin-top: 110px;
}

@media (max-width: 900px) {
  .home-news-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }

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

.news-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  color: var(--steel);
  font-size: 14px;
}

.news-detail-meta span {
  color: var(--accent);
  font-weight: 700;
}

.news-detail h2 {
  margin-bottom: 34px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  font-size: 36px;
  line-height: 1.4;
}

.news-detail-body {
  font-size: 18px;
  line-height: 2;
}

.news-detail-body p {
  margin-bottom: 22px;
}

.news-detail-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.news-detail .actions {
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .news-detail h2 { font-size: 26px; }
  .news-detail-body { font-size: 16px; }
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  align-items: start;
  max-width: 880px;
}

.contact-box {
  padding: 0;
  background: transparent;
  color: var(--ink);
}

.contact-box h2,
.contact-box h3 {
  color: var(--navy);
}

.contact-box a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.contact-box .note {
  color: var(--steel);
}

.form {
  display: grid;
  gap: 18px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  scroll-margin-top: 112px;
}

.form .button {
  height: 54px;
  padding: 0 22px;
  cursor: pointer;font-size: 16px;
}

.form-result {
  margin: 0;
  padding: 12px 14px;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1.7;
}

.form-result.is-success {
  background: #e8f7ef;
  color: #12613a;
}

.form-result.is-error {
  background: #fff0f0;
  color: #9b2020;
}

.contact-success-dialog {
  width: min(460px, calc(100% - 32px));
  padding: 42px 38px 36px;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
  box-shadow: 0 24px 80px rgba(6, 28, 54, .24);
  text-align: center;
}

.contact-success-dialog::backdrop {
  background: rgba(4, 26, 48, .72);
}

.contact-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--accent);
}

.contact-success-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-success-dialog h2 {
  margin: 0 0 14px;
  font-size: 25px;
  line-height: 1.4;
}

.contact-success-dialog p {
  margin: 0;
  color: var(--steel);
  line-height: 1.8;
}

.contact-success-close {
  width: 100%;
  margin-top: 28px;
}

@media (max-width: 640px) {
  .contact-success-dialog {
    padding: 34px 24px 28px;
  }

  .contact-success-dialog h2 {
    font-size: 22px;
  }
}

.field label {
  display: block;
  margin-bottom: 6px;
  color: var(--navy);
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #b7c3ce;
  border-radius: 6px;
  font: inherit;
  color: var(--ink);
  background: var(--white);
}

.field textarea {
  min-height: 170px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 3px solid rgba(4, 87, 204, 0.22);
  border-color: var(--accent);
}

.note {
  color: var(--steel);
  font-size: 14px;
}

.cta-band {
  padding: 42px;
  background: var(--navy);
  color: var(--white);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cta-band h2 {
  color: var(--white);
  margin-bottom: 8px;
}

.cta-band p {
  margin-bottom: 0;
  color: #d8e0e7;
}

.contact-banner {
  position: relative;
  z-index: 2;
  padding: 62px 20px 76px;
  background: linear-gradient(rgba(4, 87, 204, .88), rgba(4, 87, 204, .9)), url("../img/hero-water-treatment-01.jpg") center / cover;
  color: #fff;
  text-align: center;
}

.contact-banner-inner {
  width: min(100%, 900px);
  margin: 0 auto;
}

.contact-banner h2 {
  display: inline-block;
  margin: 0 0 34px;
  padding-bottom: 14px;
  border-bottom: 2px solid #fff;
  color: #fff;
  font-size: 32px;
  line-height: 1.4;
}

.contact-banner-inner > p {
  margin: 0 0 34px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.8;
}

.contact-banner-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  width: min(100%, 740px);
  min-height: 100px;
  margin: 0 auto 38px;
  padding: 18px 26px;
  background: #fff;
  color: #0457cc;
}

.contact-banner-phone strong {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.2;
  white-space: nowrap;
}

.contact-banner-phone span {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  text-align: left;
  white-space: nowrap;
}

.contact-banner-phone small {
  font-size: 12px;
  font-weight: 400;
}

.contact-banner-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(100%, 480px);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 44px;
  border-radius:8px;
  background: #ff8435;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}

.contact-banner-button:hover,
.contact-banner-button:focus-visible {
  background: #e86d1e;
  color: #fff;
  transform: translateY(-2px);
}

.contact-banner-button svg {
  flex: none;
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-banner-button .contact-banner-arrow {
  width: 20px;
  height: 20px;
}

.site-footer {
  position: relative;
  z-index: 2;
  background: #06192d;
  color: #d8e0e7;
}

.footer-inner {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 56px 0 22px;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .8fr) minmax(0, .8fr);
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

.footer-logo {
  width: 250px;
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 390px;
  margin: 0;
  color: #d8e0e7;
  font-size: 14px;
  line-height: 1.9;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 11px;
}

.footer-nav h2 {
  position: relative;
  margin: 0 0 11px;
  padding-bottom: 12px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.footer-nav h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background:var(--accent);
}

.footer-nav a {
  color: #d8e0e7;
  font-size: 14px;
  line-height: 1.6;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.copyright {
  margin: 46px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .18);
  color: #9fb0bf;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 1160px) {
  .site-header {
    height: 70px;
  }

  .header-inner {
    padding-left: 20px;
  }

  .brand img {
    width: 240px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
  }

  .primary-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 10px 20px max(28px, env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #fff;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-14px);
    transition: opacity .28s ease, transform .28s ease, visibility 0s linear .28s;
  }

  .primary-nav.is-open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .primary-nav a:not(.nav-contact):not(.nav-language) {
    flex: none;
    min-height: 62px;
    padding: 0 43px 0 0;
    border-bottom: 1px solid var(--line);
    font-size: 17px;
  }

  .primary-nav a:not(.nav-contact):not(.nav-language)::after {
    display: none;
  }

  .primary-nav a:not(.nav-contact):not(.nav-language)::before {
    content: "→";
    position: absolute;
    top: 50%;
    right: 0;
    display: grid;
    place-items: center;
    width: 32px;
    height: 28px;
    background: var(--accent);
    border-radius: 2px;
    color: #fff;
    font-size: 18px;
    font-weight: 400;
    line-height: 1;
    transform: translateY(-50%);
  }

  .primary-nav .nav-contact {
    flex: none;
    justify-content: center;
    min-height: 58px;
    margin: 12px 0 0;
    padding: 0 20px;
    border-radius: 4px;
    font-size: 17px;
  }

  .primary-nav .nav-language {
    width: 82px;
    min-width: 100%;
    min-height: 58px;
    align-self: flex-start;
    flex: none;flex-direction: row;font-size: 17px;
    margin-top: 20px;
    border-radius: 4px;
  }

  .mobile-menu-phone {
    display: flex;
    flex: none;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 28px 0 4px;
    color: var(--navy);
  }

  .mobile-menu-phone strong {
    font-size: 27px;
    line-height: 1.3;
  }

  .mobile-menu-phone span {
    font-size: 14px;
    font-weight: normal;
  }

  body.menu-open {
    overflow: hidden;
  }

  .hero,
  .hero-inner {
    min-height: calc(80vh - 70px);
    min-height: calc(80svh - 70px);
  }

  .feature-row,
  .feature-row.reverse,
  .contact-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature-row.reverse .feature-copy {
    order: 0;
  }

  .grid-3,
  .case-grid,
  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 800px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 28px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-nav a,
  .primary-nav a::after,
  .hero-slide,
  .primary-nav,
  .menu-toggle::before,
  .menu-toggle::after {
    transition: none;
  }

  .industry-motion-toggle {
    display: none;
  }
}

@media (max-width: 640px) {
  .button.button--more {
    min-width: 176px;
    min-height: 56px;
  }

  .hero-pager {
    left: 50%;
    transform: translateX(-50%);
  }

  .hero-pager button {
    width: 28px;
    height: 4px;
  }

  .home-news-item {
    grid-template-columns: 94px minmax(0, 1fr) 28px;
    gap: 12px;
    min-height: 100px;
    padding: 18px 0;
  }

  .home-news-name {
    font-size: 15px;
  }

  .home-news-item svg {
    width: 28px;
    height: 28px;
    padding: 6px;
  }

  .industry-card {
    width: min(82vw, 420px);
  }

  .industry-group {
    gap: 12px;
    padding-right: 12px;
  }

  .industry-card figcaption {
    font-size: 15px;
  }

  .home-section-title .home-title-en {
    font-size: 36px;
  }

  .home-section-title .home-title-jp {
    font-size: 22px;
  }

  .contact-banner {
    padding: 54px 14px 62px;
  }

  .contact-banner h2 {
    margin-bottom: 28px;
    font-size: 28px;
  }

  .contact-banner-inner > p {
    margin-bottom: 26px;
    font-size: 15px;
  }

  .contact-banner-phone {
    flex-direction: column;
    gap: 6px;
    min-height: 0;
    margin-bottom: 30px;
    padding: 20px 12px;
  }

  .contact-banner-phone span {
    text-align: center;
    white-space: normal;
  }

  .contact-banner-button {
    min-height: 64px;
    padding: 0 24px;
    font-size: 17px;
  }

  .container,
  .footer-inner {
    width: min(calc(100% - 28px), var(--max));
  }

  .header-inner {
    padding-left: 14px;
  }

  .menu-toggle {
    margin-right: 14px;
  }

  .brand img {
    width: 190px;
  }

  h1 {
    font-size: 34px;
    line-height: 1.22;
    word-break: break-all;
  }

  .language-en .hero-copy h1 {
    font-size: 31px;
    line-height: 1.2;
    overflow-wrap: break-word;
    word-break: normal;
  }

  .language-en .hero-copy .eyebrow {
    font-size: 14px;
    overflow-wrap: normal;
    word-break: normal;
  }

  .eyebrow {
    overflow-wrap: anywhere;
    word-break: break-all;font-size: 16px;
  }

  .lead,
  .section-head p {
    word-break: break-all;display: none;
  }

  .hero::before {
    background: rgba(6, 25, 45, 0.7);
  }

  .hero-slide {
    background-position: 65% center;
  }

  .hero-inner {
    padding: 56px 0 100px;align-items: flex-end;
  }

  .hero-copy {
    width: 100%;
    margin-inline: auto;
    text-align: center;
  }

  .hero .actions {
    display: none;
  }

  .section {
    padding: 58px 0;
  }

  .page-hero {
    padding: 58px 0;
  }

  .grid-2,
  .grid-3,
  .case-grid,
  .footer-grid,
  .news-item {
    grid-template-columns: 1fr;
  }

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

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

  .card,
  .cta-band {
    padding: 22px;
  }

  .cta-band {
    display: grid;
  }

  .table th,
  .table td {
    display: block;
    width: 100%;
  }
}