:root {
  color-scheme: light;
  --ink: #0a2f50;
  --text: #102033;
  --muted: #506070;
  --soft: #f7fbfc;
  --soft-green: #eaf8ef;
  --soft-blue: #eaf3f8;
  --line: #d8e5ec;
  --green: #38b45b;
  --green-dark: #1e8e4a;
  --blue: #0b3a63;
  --amber: #9a5b22;
  --white: #ffffff;
  --shadow: 0 20px 54px rgba(16, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  letter-spacing: 0;
}

body::selection {
  background: rgba(56, 180, 91, 0.22);
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(216, 229, 236, 0.86);
  backdrop-filter: blur(18px);
}

.header-inner,
.section-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  width: 118px;
  min-height: 42px;
  align-items: center;
}

.brand img {
  width: 118px;
  height: auto;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a,
.header-cta,
.button,
.site-footer a {
  border-radius: 8px;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.site-nav a {
  min-height: 38px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.site-nav a:hover {
  background: var(--soft-blue);
  color: var(--ink);
}

.header-cta {
  min-height: 40px;
  padding: 11px 16px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.84rem;
  font-weight: 800;
}

.header-cta:hover {
  background: var(--green-dark);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.menu-toggle {
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  width: 18px;
  height: 2px;
  display: block;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(88svh - 68px);
  overflow: hidden;
  display: grid;
  align-items: end;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: url("assets/space_case_interior.png");
  background-position: center;
  background-size: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.62);
}

.hero-inner {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0 78px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--green-dark);
  font-size: 0.78rem;
  font-weight: 900;
}

.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: 4.8rem;
  line-height: 0.95;
}

.hero-lead {
  margin: 24px 0 0;
  color: var(--text);
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.34;
}

.hero-copy {
  width: min(620px, 100%);
  margin: 24px 0 0;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.95;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 20px;
  border: 1px solid transparent;
  font-weight: 850;
}

.button.primary {
  background: var(--blue);
  color: var(--white);
}

.button.primary:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(10, 47, 80, 0.2);
  color: var(--blue);
}

.button.secondary:hover {
  background: var(--white);
  border-color: var(--blue);
}

.hero-keys {
  position: relative;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid rgba(216, 229, 236, 0.88);
  border-bottom: 0;
  background: rgba(255, 255, 255, 0.9);
}

.hero-keys span {
  min-height: 72px;
  display: grid;
  place-items: center;
  border-right: 1px solid rgba(216, 229, 236, 0.88);
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
}

.hero-keys span:last-child {
  border-right: 0;
}

.intro-band,
.section {
  padding: 92px 0;
}

.intro-band {
  background: var(--soft);
}

.intro-grid,
.split-grid,
.water-grid,
.contact-grid,
.use-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 56px;
  align-items: center;
}

h2,
h3,
p {
  letter-spacing: 0;
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: 2.35rem;
  line-height: 1.24;
}

h3 {
  margin: 0;
  color: var(--ink);
  font-size: 1.28rem;
  line-height: 1.35;
}

.section-lead,
.section-heading p,
.copy-block p,
.contact-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}

.value-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.value-card,
.case-card,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 30px rgba(16, 32, 51, 0.06);
}

.value-card {
  padding: 28px;
}

.value-card span,
.case-card span,
.price-card span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--green-dark);
  font-size: 0.74rem;
  font-weight: 900;
}

.value-card p,
.case-card p,
.price-card p,
.use-list span,
.contact-panel dd {
  color: var(--muted);
  line-height: 1.75;
}

.copy-block {
  display: grid;
  gap: 22px;
}

.feature-photo,
.case-card img {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: var(--soft-blue);
}

.feature-photo {
  box-shadow: var(--shadow);
}

.feature-photo img {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.install-diagram {
  min-height: 420px;
  padding: 34px;
  display: grid;
  align-content: center;
  gap: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(234, 243, 248, 0.75), rgba(234, 248, 239, 0.85)),
    var(--white);
  box-shadow: var(--shadow);
}

.breaker-board {
  position: relative;
  min-height: 238px;
  padding: 34px 30px 30px;
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 28px;
  align-items: center;
  border: 1px solid rgba(10, 47, 80, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
}

.breaker-board::before {
  content: "分電盤";
  position: absolute;
  top: 14px;
  left: 18px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
}

.main-breaker {
  width: 64px;
  height: 104px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f5f8fa;
}

.main-breaker::after {
  content: "";
  display: block;
  width: 28px;
  height: 42px;
  margin: 31px auto;
  border-radius: 5px;
  background: var(--blue);
}

.breaker-rows {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.breaker-rows span {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background:
    linear-gradient(180deg, var(--green) 0 6px, transparent 6px),
    #f8fbfc;
}

.breaker-rows span::after {
  content: "";
  display: block;
  width: 18px;
  height: 28px;
  margin: 17px auto 0;
  border-radius: 4px;
  background: #25384f;
}

.auve-module {
  position: absolute;
  right: 30px;
  bottom: -22px;
  min-width: 138px;
  padding: 13px 18px;
  border-radius: 8px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 14px 26px rgba(10, 47, 80, 0.22);
}

.signal-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  align-items: center;
}

.signal-lines span {
  height: 2px;
  background: linear-gradient(90deg, var(--green), rgba(56, 180, 91, 0));
}

.building-targets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.building-targets span {
  min-height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid #bfe4c9;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--green-dark);
  font-size: 0.84rem;
  font-weight: 900;
}

.step-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.step-row div {
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.step-row span {
  display: block;
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 0.82rem;
  font-weight: 900;
}

.step-row strong {
  color: var(--ink);
  font-size: 1rem;
}

.water-section {
  background: linear-gradient(180deg, #ffffff 0, #f4faf7 100%);
}

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

.water-diagram {
  min-height: 468px;
  margin: 0;
  padding: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 82px minmax(0, 1fr);
  gap: 14px;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.diagram-stage {
  min-height: 330px;
  padding: 20px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfe;
}

.diagram-stage.after {
  border-color: #bfe4c9;
  background: #f8fff9;
}

.diagram-tag,
.diagram-caption {
  margin: 0;
}

.diagram-tag {
  color: var(--green-dark);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.diagram-stage strong {
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.38;
}

.diagram-caption {
  min-height: 48px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.molecule-cloud {
  position: relative;
  min-height: 154px;
  align-self: center;
}

.molecule-cloud span {
  position: absolute;
  border-radius: 999px;
  background: #dceff7;
  box-shadow: inset 0 0 0 1px #8fc5d9;
}

.molecule-cloud.loose span {
  width: 46px;
  height: 46px;
}

.molecule-cloud.loose span:nth-child(1) { left: 9%; top: 25%; }
.molecule-cloud.loose span:nth-child(2) { left: 25%; top: 12%; }
.molecule-cloud.loose span:nth-child(3) { left: 42%; top: 28%; }
.molecule-cloud.loose span:nth-child(4) { left: 60%; top: 15%; }
.molecule-cloud.loose span:nth-child(5) { left: 72%; top: 36%; }
.molecule-cloud.loose span:nth-child(6) { left: 18%; top: 58%; }
.molecule-cloud.loose span:nth-child(7) { left: 36%; top: 62%; }
.molecule-cloud.loose span:nth-child(8) { left: 54%; top: 56%; }
.molecule-cloud.loose span:nth-child(9) { left: 68%; top: 70%; }

.molecule-cloud.ordered {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  align-content: center;
}

.molecule-cloud.ordered span {
  position: static;
  width: 100%;
  aspect-ratio: 1;
  clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0 50%);
  border-radius: 0;
  background: #dff4e6;
  box-shadow: inset 0 0 0 1px #79c58e;
}

.diagram-flow {
  min-height: 330px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 10px;
  color: var(--blue);
  font-weight: 900;
  text-align: center;
}

.diagram-flow::before,
.diagram-flow::after {
  display: none;
}

.diagram-flow span {
  display: grid;
  place-items: center;
  width: 72px;
  min-height: 72px;
  border-radius: 999px;
  background: var(--blue);
  color: var(--white);
  font-size: 0.72rem;
}

.diagram-flow strong {
  font-size: 0.82rem;
}

.diagram-flow b {
  color: var(--green-dark);
  font-size: 1.65rem;
  line-height: 1;
}

.diagram-points {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.diagram-points span {
  min-height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid #bfe4c9;
  border-radius: 8px;
  background: var(--soft-green);
  color: var(--green-dark);
  font-size: 0.86rem;
  font-weight: 900;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mini-list span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
}

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

.spectrum-section h2,
.spectrum-section .section-heading p {
  color: var(--white);
}

.spectrum-section .section-kicker {
  color: #8fe0a7;
}

.section-heading {
  width: min(760px, 100%);
  margin-bottom: 42px;
}

.section-heading.narrow {
  width: min(680px, 100%);
}

.section-heading p {
  margin-top: 18px;
}

.spectrum {
  display: grid;
  grid-template-columns: 0.7fr 0.85fr 0.95fr 0.95fr 1fr 1.08fr 1.26fr 1.1fr;
  min-height: 98px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
}

.spectrum span {
  display: grid;
  place-items: center;
  padding: 12px;
  color: var(--white);
  font-size: 0.86rem;
  font-weight: 850;
}

.spectrum span:nth-child(1) { background: #8e3aa8; }
.spectrum span:nth-child(2) { background: #4d78bf; }
.spectrum span:nth-child(3) { background: #1aa6b7; }
.spectrum span:nth-child(4) { background: #4abf5a; }
.spectrum span:nth-child(5) { background: #e0a322; }
.spectrum span:nth-child(6) { background: #e27327; }
.spectrum span:nth-child(7) { background: #d94c4c; }
.spectrum span:nth-child(8) { background: #697789; }

.spectrum .active {
  outline: 4px solid rgba(255, 255, 255, 0.9);
  outline-offset: -8px;
}

.cases-section {
  background: #fbfdfe;
}

.case-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 18px;
}

.case-card {
  overflow: hidden;
}

.case-card.large {
  grid-row: span 2;
}

.case-card img {
  width: 100%;
  height: 210px;
  border-radius: 0;
  object-fit: cover;
}

.case-card.large img {
  height: 420px;
}

.case-card > div:not(.blood-carousel) {
  padding: 24px;
}

.blood-carousel {
  background: var(--white);
}

.carousel-viewport {
  overflow: hidden;
  touch-action: pan-y;
  overscroll-behavior-x: contain;
  cursor: grab;
}

.carousel-viewport:active {
  cursor: grabbing;
}

.carousel-track {
  display: flex;
  transform: translate3d(0, 0, 0);
  transition: transform 260ms ease;
  will-change: transform;
}

.blood-carousel.is-dragging .carousel-track {
  transition: none;
}

.blood-slide {
  flex: 0 0 100%;
  min-width: 0;
  margin: 0;
  position: relative;
  scroll-snap-align: start;
  background: #f5f8fa;
}

.blood-slide img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

.blood-slide figcaption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(10, 47, 80, 0.88);
  color: var(--white);
  font-size: 0.74rem;
  font-weight: 900;
}

.carousel-controls {
  min-height: 46px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.carousel-arrow {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}

.carousel-arrow:disabled {
  opacity: 0.38;
  cursor: default;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 7px;
}

.carousel-dots button {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: #c9d6de;
  cursor: pointer;
}

.carousel-dots button[aria-current="true"] {
  width: 22px;
  background: var(--green);
}

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

.use-grid {
  align-items: start;
}

.use-list {
  display: grid;
  gap: 10px;
}

.use-list div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.use-list strong {
  color: var(--ink);
}

.price-section {
  background: linear-gradient(180deg, #f8fbfc 0, #ffffff 100%);
}

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

.price-card {
  padding: 34px;
}

.price-card.featured {
  border-color: #bfe4c9;
  background: #fbfffc;
}

.price {
  margin: 24px 0 16px;
}

.price strong {
  color: var(--ink);
  font-size: 3rem;
  line-height: 1;
}

.price small {
  margin-left: 8px;
  color: var(--muted);
  font-weight: 800;
}

.contact-section {
  padding: 94px 0;
  background: var(--ink);
  color: var(--white);
}

.contact-section h2,
.contact-copy p {
  color: var(--white);
}

.contact-section .section-kicker {
  color: #8fe0a7;
}

.contact-panel {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: var(--white);
  color: var(--text);
  font-style: normal;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.14);
}

.contact-panel img {
  width: 138px;
  height: auto;
  margin-bottom: 28px;
}

.contact-panel dl {
  margin: 0;
  display: grid;
  gap: 16px;
}

.contact-panel div {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 16px;
}

.contact-panel dt {
  color: #8fe0a7;
  font-size: 0.78rem;
  font-weight: 900;
}

.contact-panel dd {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.footer-inner span {
  margin-left: auto;
  font-size: 0.78rem;
}

a:focus-visible,
.button:focus-visible {
  outline: 3px solid rgba(56, 180, 91, 0.34);
  outline-offset: 4px;
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-keys {
    display: none;
  }

  .mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 14px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 16px 38px rgba(16, 32, 51, 0.12);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
  }

  .site-header.is-menu-open .mobile-menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-menu a {
    min-height: 46px;
    padding: 12px 14px;
    display: flex;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    font-size: 0.9rem;
    font-weight: 850;
  }

  .mobile-menu .mobile-menu-cta {
    grid-column: 1 / -1;
    justify-content: center;
    border-color: var(--blue);
    background: var(--blue);
    color: var(--white);
  }

  .header-inner,
  .section-inner,
  .hero-inner {
    width: min(100% - 28px, 720px);
  }

  .hero {
    min-height: 700px;
    align-items: center;
  }

  .hero h1 {
    font-size: 3.7rem;
  }

  .hero-lead {
    font-size: 1.36rem;
  }

  .intro-grid,
  .split-grid,
  .water-grid,
  .contact-grid,
  .use-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .value-grid,
  .price-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .value-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding-bottom: 8px;
  }

  .value-grid::-webkit-scrollbar {
    display: none;
  }

  .value-card {
    min-width: min(82vw, 340px);
    scroll-snap-align: start;
  }

  .case-card.large {
    grid-row: auto;
  }

  .case-card.large img,
  .case-card img {
    height: 230px;
  }

  .blood-slide img {
    height: 230px;
  }

  .use-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 560px) {
  .header-inner {
    min-height: 62px;
    gap: 12px;
  }

  .brand,
  .brand img {
    width: 104px;
  }

  .hero {
    min-height: 560px;
    align-items: start;
  }

  .hero-media {
    background-position: 60% center;
  }

  .hero-shade {
    background: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.72) 0%,
      rgba(255, 255, 255, 0.68) 45%,
      rgba(255, 255, 255, 0.86) 100%
    );
  }

  .hero-inner {
    padding: 52px 0 34px;
  }

  .hero h1 {
    font-size: 3.08rem;
  }

  .hero-lead {
    font-size: 1.18rem;
  }

  .hero-copy,
  .section-lead,
  .section-heading p,
  .copy-block p,
  .contact-copy p {
    font-size: 0.94rem;
    line-height: 1.76;
  }

  .hero-actions {
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 156px));
    justify-content: center;
    gap: 12px;
  }

  .hero-actions .button {
    width: 100%;
    min-height: 58px;
    padding: 13px 14px;
    font-size: 1.02rem;
    border-radius: 8px;
  }

  .hero-actions .button.secondary {
    background: rgba(255, 255, 255, 0.9);
  }

  h2 {
    font-size: 1.82rem;
  }

  .intro-band,
  .section,
  .contact-section {
    padding: 68px 0;
  }

  .value-card,
  .price-card,
  .contact-panel,
  .case-card > div:not(.blood-carousel) {
    padding: 22px;
  }

  .step-row {
    grid-template-columns: 1fr;
  }

  .step-row div {
    min-height: 82px;
    padding: 16px 18px;
  }

  .install-diagram {
    min-height: 0;
    padding: 18px;
    gap: 22px;
  }

  .breaker-board {
    min-height: 218px;
    padding: 34px 18px 28px;
    grid-template-columns: 58px 1fr;
    gap: 16px;
  }

  .main-breaker {
    width: 54px;
    height: 92px;
  }

  .main-breaker::after {
    width: 24px;
    height: 36px;
    margin-top: 28px;
  }

  .breaker-rows {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .breaker-rows span {
    min-height: 48px;
  }

  .breaker-rows span::after {
    width: 14px;
    height: 23px;
    margin-top: 15px;
  }

  .auve-module {
    right: 18px;
    min-width: 116px;
    padding: 11px 14px;
    font-size: 0.78rem;
  }

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

  .water-diagram {
    min-height: 0;
    padding: 18px;
    grid-template-columns: 1fr;
  }

  .diagram-stage {
    padding: 16px;
    gap: 9px;
  }

  .diagram-flow {
    min-height: 0;
  }

  .molecule-cloud {
    min-height: 120px;
  }

  .molecule-cloud.loose span {
    width: 38px;
    height: 38px;
  }

  .molecule-cloud.ordered {
    gap: 5px;
  }

  .diagram-caption {
    min-height: 0;
    font-size: 0.78rem;
  }

  .diagram-flow {
    grid-template-columns: 1fr auto 1fr;
    min-height: 58px;
  }

  .diagram-flow::before,
  .diagram-flow::after {
    width: 100%;
    height: 1px;
  }

  .diagram-flow span {
    width: 62px;
    min-height: 62px;
  }

  .diagram-flow b {
    transform: rotate(90deg);
  }

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

  .diagram-points span {
    min-height: 38px;
    font-size: 0.78rem;
  }

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

  .price strong {
    font-size: 2.35rem;
  }

  .contact-panel div {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .footer-inner {
    flex-wrap: wrap;
  }

  .footer-inner span {
    width: 100%;
    margin-left: 0;
  }
}

@media (max-width: 360px) {
  .hero-actions {
    grid-template-columns: minmax(0, 240px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-nav a,
  .header-cta,
  .button,
  .site-footer a {
    transition: none;
  }
}