@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;700;800&family=Noto+Sans+JP:wght@400;500;700;800&display=swap");

:root {
  --color-primary: #2e8b57;
  --color-primary-lt: #e6f5ec;
  --color-accent: #5bb87a;
  --color-text: #1a2e22;
  --color-text-sub: #5a7062;
  --color-bg: #fafcfa;
  --color-white: #ffffff;
  --color-border: #d4e8da;
  --color-leaf: #dff0d8;
  --color-mist: #f4faf6;
  --color-sun: #f4d35e;
  --shadow-soft: 0 18px 48px rgba(26, 46, 34, 0.09);
  --shadow-card: 0 10px 30px rgba(46, 139, 87, 0.1);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: "Noto Sans JP", "DM Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

html[lang="en"] body {
  font-family: "DM Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.7;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 50;
  padding: 8px 12px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 16px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 76px;
  background: rgba(250, 252, 250, 0.9);
  border-bottom: 1px solid rgba(212, 232, 218, 0.82);
  backdrop-filter: blur(8px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 8px 26px rgba(26, 46, 34, 0.07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: calc(var(--max-width) + 80px);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 40px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  color: var(--color-text);
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  background: var(--color-white);
  border-radius: 8px;
}

.brand .brand-wordmark {
  width: 112px;
  height: auto;
  aspect-ratio: 1516 / 268;
  background: transparent;
  border-radius: 0;
}

.brand-text {
  display: grid;
  line-height: 1.1;
}

.brand-name {
  color: #3daa35;
  font-family: "Arial Rounded MT Bold", "Arial Rounded Bold", "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 1.18rem;
}

.brand-green {
  color: #3daa35;
  font-family: "Arial Rounded MT Bold", "Arial Rounded Bold", "DM Sans", "Noto Sans JP", sans-serif;
  font-weight: 800;
}

.brand-heading-ja,
.brand-heading-en {
  display: none;
}

html[lang="ja"] .brand-heading-ja,
html[lang="en"] .brand-heading-en {
  display: inline;
}

.brand-sub {
  color: #3daa35;
  font-size: 0.72rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--color-text-sub);
  font-size: 0.92rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  content: "";
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-primary);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.lang-switch button {
  min-width: 54px;
  min-height: 32px;
  padding: 0 10px;
  color: var(--color-text-sub);
  background: transparent;
  border: 0;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  transition: color 0.2s ease, background 0.2s ease;
}

.lang-switch button.is-active {
  color: var(--color-white);
  background: var(--color-primary);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  display: block;
  width: 18px;
  height: 2px;
  content: "";
  background: currentColor;
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle {
  flex-direction: column;
  gap: 4px;
}

.menu-toggle.is-open span {
  opacity: 0;
}

.menu-toggle.is-open::before {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open::after {
  transform: translateY(-6px) rotate(-45deg);
}

.section,
.page-hero,
.home-hero {
  padding: clamp(64px, 9vw, 104px) clamp(18px, 5vw, 40px);
}

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

.narrow {
  width: min(100%, 860px);
  margin: 0 auto;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.25;
  overflow-wrap: break-word;
}

h1 {
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
}

h3 {
  font-size: clamp(1.12rem, 2vw, 1.35rem);
}

p {
  margin: 0;
  overflow-wrap: break-word;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-primary);
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead {
  max-width: 680px;
  margin-top: 22px;
  color: var(--color-text-sub);
  font-size: clamp(1rem, 1.45vw, 1.12rem);
}

.section-heading {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin-bottom: clamp(28px, 5vw, 48px);
}

.section-heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.features-heading-title {
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  white-space: normal;
}

html[lang="ja"] .features-heading-title {
  font-size: clamp(1.15rem, 5.2vw, 2.45rem);
}

.features-line {
  display: block;
}

.features-line-top {
  white-space: nowrap;
}

.features-part {
  display: inline;
  white-space: nowrap;
}

.about-combined {
  display: grid;
  gap: clamp(34px, 6vw, 62px);
}

.about-heading {
  display: grid;
  gap: 4px;
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  line-height: 1.24;
}

.about-heading span {
  display: block;
}

html[lang="ja"] .about-heading span {
  white-space: nowrap;
}

.about-lead .about-lead-ja {
  display: block;
}

.about-lead .about-lead-en {
  display: none;
}

html[lang="en"] .about-lead .about-lead-ja {
  display: none;
}

html[lang="en"] .about-lead .about-lead-en {
  display: block;
}

.compact-heading {
  margin-bottom: clamp(12px, 2.2vw, 20px);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.25;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: var(--color-white);
  background: var(--color-primary);
  box-shadow: 0 16px 30px rgba(46, 139, 87, 0.2);
}

.button-primary:hover {
  background: #26794b;
}

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

.button-secondary:hover {
  box-shadow: var(--shadow-card);
}

.home-hero {
  position: relative;
  min-height: calc(100svh - 76px);
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(230, 245, 236, 0.96), rgba(250, 252, 250, 0.9) 48%, rgba(244, 250, 246, 0.98));
}

.home-hero-image {
  display: grid;
  align-items: center;
  min-height: auto;
  padding: clamp(22px, 4vw, 42px) clamp(18px, 5vw, 40px);
  background: var(--color-white);
}

.home-hero-image::after {
  display: none;
}

.hero-main-image {
  position: relative;
  display: grid;
  place-items: center;
  width: min(100%, 1240px);
  height: auto;
  margin: 0;
  overflow: visible;
  background: transparent;
  --hero-bg-image: url("../images/hero/ecopika-hero.png");
  justify-self: center;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.hero-main-image::before {
  display: none;
}

.hero-main-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(68svh, 700px);
  object-fit: contain;
  object-position: center;
}

.home-hero.home-hero-image {
  padding: clamp(10px, 2.5vw, 28px) clamp(16px, 4vw, 36px) clamp(24px, 4vw, 44px);
}

.home-hero.home-hero-image::after {
  display: none;
}

.home-hero::after {
  display: none;
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  min-height: calc(100svh - 204px);
}

.home-hero-built {
  display: grid;
  align-items: center;
  min-height: auto;
  padding: clamp(48px, 7vw, 76px) clamp(18px, 5vw, 40px);
}

.home-hero-built .home-hero-inner {
  min-height: auto;
}

.home-hero-copy {
  display: grid;
  gap: 18px;
}

.home-hero-copy h1 {
  max-width: 760px;
  color: #3daa35;
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: clamp(3.2rem, 8vw, 6.6rem);
  line-height: 0.92;
}

.wordmark-title {
  max-width: min(100%, 400px);
  margin: 0;
  line-height: 1;
}

.wordmark-title img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  aspect-ratio: 1516 / 268;
  object-fit: contain;
}

.home-hero-tagline,
.home-hero-lead,
.home-hero-copy .hero-actions {
  margin-left: 0;
}

.home-hero-tagline {
  max-width: 680px;
  color: var(--color-text);
  font-size: clamp(1.6rem, 3vw, 2.45rem);
  font-weight: 800;
  line-height: 1.32;
}

.tagline-ja,
.tagline-en {
  display: none;
}

html[lang="ja"] .tagline-ja,
html[lang="en"] .tagline-en {
  display: block;
}

.tagline-line {
  display: block;
  white-space: nowrap;
}

.home-hero-lead {
  max-width: 620px;
  color: var(--color-text-sub);
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
}

.lead-line {
  display: block;
  white-space: nowrap;
}

.home-hero-product {
  position: relative;
  overflow: visible;
  margin: 0;
  aspect-ratio: 3 / 2;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.home-hero-product img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.home-hero-family-photo {
  overflow: visible;
  width: min(112%, 560px);
  justify-self: center;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.home-hero-family-photo::after {
  position: absolute;
  inset: -1px;
  content: "";
  background:
    linear-gradient(90deg, rgba(247, 252, 248, 0.7), rgba(247, 252, 248, 0) 12%, rgba(247, 252, 248, 0) 94%, rgba(247, 252, 248, 0.18)),
    linear-gradient(180deg, rgba(247, 252, 248, 0.36), rgba(247, 252, 248, 0) 14%, rgba(247, 252, 248, 0) 90%, rgba(247, 252, 248, 0.34));
  pointer-events: none;
}

.home-hero-family-photo img {
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.02) brightness(1) contrast(1.07);
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0, #000 8%, #000 96%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0, #000 8%, #000 96%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  mask-composite: intersect;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-visual,
.product-placeholder,
.diagram-panel,
.video-placeholder {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #d4e8da, #eef8f1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.hero-visual {
  min-height: 420px;
  box-shadow: var(--shadow-soft);
}

.image-visual {
  background: var(--color-white);
}

.hero-visual.image-visual {
  min-height: 0;
  aspect-ratio: 4 / 3;
}

.image-visual img,
.product-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-photo {
  overflow: hidden;
  min-height: 360px;
  aspect-ratio: 4 / 5;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.product-photo.compact {
  min-height: 0;
  max-height: 420px;
  aspect-ratio: 4 / 3;
}

.product-photo.compact img,
.product-photo.lineup img {
  object-fit: contain;
}

.product-photo.wide {
  min-height: 0;
  aspect-ratio: 4 / 3;
}

.product-photo.about-photo {
  overflow: visible;
  min-height: 0;
  aspect-ratio: 5 / 4;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.product-photo.about-photo img {
  object-fit: cover;
  filter: saturate(0.94) brightness(1.04);
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 10%, #000 88%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0, #000 12%, #000 88%, transparent 100%),
    linear-gradient(180deg, transparent 0, #000 10%, #000 88%, transparent 100%);
  mask-composite: intersect;
}

.cleaning-example-image {
  overflow: hidden;
  margin: 0;
  background: var(--color-white);
  border: 1px solid rgba(212, 232, 218, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.cleaning-example-image img {
  display: block;
  width: 100%;
  height: auto;
}

.feature-overview-image {
  overflow: hidden;
  margin: 0;
  background: var(--color-white);
  border: 1px solid rgba(212, 232, 218, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.feature-overview-image img {
  display: block;
  width: 100%;
  height: auto;
}

.cleaning-performance-section .container {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
}

.cleaning-title-line,
.cleaning-lead-line {
  display: block;
}

.cleaning-title-single {
  white-space: nowrap;
}

.cleaning-title-single .cleaning-title-line {
  display: inline;
}

.cleaning-title-line,
.keep-term {
  white-space: nowrap;
}

.performance-block {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

.subsection-heading {
  display: grid;
  gap: 8px;
  max-width: 760px;
}

.subsection-heading .eyebrow {
  margin-bottom: 0;
}

.subsection-heading p:not(.eyebrow) {
  color: var(--color-text-sub);
}

.bottle-mark {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: min(58%, 230px);
  aspect-ratio: 0.58;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.72);
  border: 2px solid rgba(46, 139, 87, 0.24);
  border-radius: 26px 26px 18px 18px;
  transform: translate(-50%, -44%);
}

.bottle-mark::before {
  position: absolute;
  top: -42px;
  width: 42%;
  height: 52px;
  content: "";
  background: rgba(255, 255, 255, 0.78);
  border: 2px solid rgba(46, 139, 87, 0.22);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
}

.bottle-mark span {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  letter-spacing: 0;
}

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

.about-combined > .feature-grid {
  margin-top: clamp(-34px, -3vw, -18px);
}

.product-feature-grid {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.product-lineup-section {
  background: var(--color-white);
}

.product-lineup-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 34px);
  align-items: stretch;
}

.product-lineup-group {
  display: grid;
  grid-template-columns: minmax(310px, 0.46fr) minmax(0, 1fr);
  grid-template-areas:
    "heading heading"
    "image cards";
  gap: clamp(18px, 3vw, 28px);
  align-items: stretch;
  min-width: 0;
  padding: clamp(24px, 3.4vw, 34px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(26, 46, 34, 0.07);
}

.product-lineup-product-image {
  grid-area: image;
  display: grid;
  place-items: start center;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  min-height: 0;
  margin: 0;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 18px;
  overflow: hidden;
  justify-self: center;
  box-shadow: none;
}

.product-lineup-product-image img {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border-radius: 18px;
  object-fit: cover;
  opacity: 1;
  filter: none;
}

.product-lineup-product-image-bottle img {
  max-width: none;
  max-height: none;
}

.product-lineup-product-image-can img {
  max-width: none;
  max-height: none;
}

.product-lineup-group-heading {
  grid-area: heading;
  display: grid;
  gap: 8px;
  min-width: 0;
  align-self: start;
  text-align: left;
}

.product-lineup-group-heading p {
  color: var(--color-text-sub);
  white-space: nowrap;
  overflow-wrap: break-word;
}

.product-lineup-lead span {
  display: inline;
}

html[lang="ja"] .product-lineup-lead {
  white-space: nowrap;
}

html[lang="en"] .product-lineup-lead-break {
  display: block;
}

html[lang="ja"] .product-lineup-lead-break {
  display: none;
}

.professional-lineup-note span {
  display: inline;
}

html[lang="en"] .professional-lineup-note-break {
  display: inline;
}

html[lang="ja"] .professional-lineup-note-break {
  display: none;
}

.product-lineup-grid {
  grid-area: cards;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  height: 100%;
}

.product-lineup-card {
  display: grid;
  align-content: start;
  gap: 10px;
  min-width: 0;
  min-height: 0;
  padding: clamp(18px, 2.4vw, 24px);
  background: linear-gradient(180deg, rgba(230, 245, 236, 0.92), var(--color-mist));
  border: 1px solid rgba(212, 232, 218, 0.72);
  border-radius: var(--radius);
  box-shadow: none;
}

.product-lineup-card-strong {
  background: linear-gradient(180deg, rgba(230, 245, 236, 0.92), var(--color-mist));
}

.product-capacity {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 0.84rem;
  font-weight: 800;
}

.product-category {
  display: block;
  color: var(--color-primary);
  background: transparent;
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: clamp(1.32rem, 2.4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.25;
}

.product-lineup-card p {
  color: var(--color-text-sub);
  font-size: 0.95rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.product-lineup-card h3 {
  font-size: clamp(1.04rem, 1.35vw, 1.18rem);
  line-height: 1.35;
}

.feature-card,
.info-card {
  min-width: 0;
  padding: clamp(22px, 3vw, 28px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(26, 46, 34, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover,
.info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.icon-badge {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 50%;
  font-weight: 800;
}

.feature-card p,
.info-card p {
  margin-top: 10px;
  color: var(--color-text-sub);
}

.document-card {
  display: grid;
  gap: 14px;
}

.certification-lead span {
  display: block;
}

.document-link {
  display: grid;
  gap: 12px;
  color: inherit;
}

.document-link img {
  display: block;
  width: 100%;
  height: min(52vw, 340px);
  aspect-ratio: 4 / 5;
  object-fit: contain;
  background: #f7faf7;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.document-title {
  color: var(--color-text);
  font-weight: 800;
  line-height: 1.45;
}

.document-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 36px;
  padding: 0 14px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(28px, 6vw, 70px);
}

.product-placeholder {
  min-height: 360px;
}

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

.cta-band {
  padding: clamp(46px, 7vw, 76px) clamp(18px, 5vw, 40px);
  background:
    linear-gradient(105deg, rgba(230, 245, 236, 0.96), rgba(250, 252, 250, 0.92)),
    var(--color-primary-lt);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 56px);
}

.cta-copy {
  max-width: 760px;
}

.cta-title {
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  line-height: 1.35;
}

html[lang="ja"] .cta-title {
  font-size: clamp(1.45rem, 2vw, 1.72rem);
  white-space: nowrap;
}

.cta-text {
  max-width: 640px;
  margin-top: 14px;
  color: var(--color-text-sub);
  font-size: clamp(0.98rem, 1.3vw, 1.08rem);
}

.cta-text span {
  display: block;
}

.page-hero {
  background: var(--color-primary-lt);
}

.page-hero .container {
  display: grid;
  gap: 14px;
}

.page-hero p {
  max-width: 720px;
  color: var(--color-text-sub);
}

.ecopika-page-hero {
  background:
    linear-gradient(105deg, rgba(230, 245, 236, 0.94), rgba(250, 252, 250, 0.9) 58%),
    var(--color-primary-lt);
}

.ecopika-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.64fr);
  align-items: center;
  gap: clamp(28px, 6vw, 72px);
}

.ecopika-hero-copy {
  display: grid;
  gap: 14px;
}

.ecopika-hero-lead span {
  display: block;
}

html[lang="ja"] .ecopika-hero-lead span {
  white-space: nowrap;
}

.ecopika-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.16em;
}

.ecopika-title > span {
  font-size: 0.82em;
}

.inline-wordmark {
  display: inline-block;
  width: auto;
  max-width: min(46vw, 360px);
  height: 0.82em;
  aspect-ratio: 1516 / 268;
  object-fit: contain;
  vertical-align: -0.08em;
}

.ecopika-title .inline-wordmark {
  max-width: min(38vw, 290px);
  height: 0.78em;
}

.heading-wordmark {
  max-width: min(44vw, 250px);
  height: 0.78em;
}

.ecopika-hero-photo {
  position: relative;
  overflow: hidden;
  width: min(100%, 430px);
  margin: 0 0 0 auto;
  aspect-ratio: 1;
  background: var(--color-white);
  border: 10px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  box-shadow:
    0 24px 50px rgba(26, 46, 34, 0.13),
    0 0 0 1px rgba(212, 232, 218, 0.88);
}

.ecopika-hero-photo::after {
  position: absolute;
  inset: 12px;
  content: "";
  border: 1px solid rgba(46, 139, 87, 0.18);
  border-radius: inherit;
  pointer-events: none;
}

.ecopika-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.ecopika-hero-collage {
  overflow: visible;
  width: min(100%, 520px);
  aspect-ratio: 3 / 2;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.ecopika-hero-collage::after {
  display: none;
}

.ecopika-hero-collage img {
  height: auto;
  object-fit: contain;
}

.company-profile-section .container {
  gap: 16px;
}

.company-hero-line {
  display: block;
  white-space: nowrap;
}

.company-profile-section .company-table {
  margin-top: clamp(18px, 4vw, 34px);
  box-shadow: 0 12px 30px rgba(26, 46, 34, 0.06);
}

.features-stack {
  display: grid;
  gap: 22px;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.38fr);
  align-items: stretch;
  gap: 22px;
}

.feature-row:nth-child(even) {
  grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
}

.feature-row:nth-child(even) .feature-copy {
  order: 2;
}

.feature-row:nth-child(even) .feature-figure {
  order: 1;
}

.feature-copy {
  padding: clamp(24px, 4vw, 34px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(26, 46, 34, 0.05);
}

.feature-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.check-icon {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 28px;
  height: 28px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 50%;
  font-size: 0.86rem;
  font-weight: 800;
}

.feature-copy p {
  margin-top: 12px;
  color: var(--color-text-sub);
}

.highlight {
  color: var(--color-primary);
  font-weight: 800;
}

.feature-figure {
  display: grid;
  place-items: center;
  min-height: 190px;
  padding: 24px;
  color: var(--color-primary);
  background: linear-gradient(145deg, var(--color-primary-lt), var(--color-white));
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.figure-symbol {
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-size: 2rem;
  font-weight: 800;
}

.diagram-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.diagram-panel {
  min-height: 0;
  padding: clamp(22px, 4vw, 32px);
  background: var(--color-white);
  box-shadow: 0 8px 24px rgba(26, 46, 34, 0.05);
}

.step-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
}

.step-number {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: var(--color-primary);
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  font-weight: 800;
}

.step p {
  color: var(--color-text-sub);
}

.video-placeholder {
  display: grid;
  place-items: center;
  min-height: 300px;
  color: var(--color-text-sub);
  text-align: center;
}

.video-embed {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.video-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.distributor {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 28px;
  padding: clamp(24px, 4vw, 36px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.info-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.info-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

.info-list dt {
  color: var(--color-primary);
  font-weight: 800;
}

.info-list dd {
  margin: 0;
  color: var(--color-text-sub);
}

.company-table {
  width: 100%;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  border-collapse: separate;
  border-spacing: 0;
}

.product-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
}

.product-table {
  min-width: 780px;
}

.product-table thead th {
  color: var(--color-white);
  background: var(--color-primary);
}

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

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

.dilution-card {
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(26, 46, 34, 0.05);
}

.dilution-ratio {
  display: inline-grid;
  place-items: center;
  min-width: 58px;
  height: 42px;
  margin-bottom: 16px;
  padding: 0 14px;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 999px;
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 1.04rem;
  font-weight: 800;
}

.dilution-card p {
  margin-top: 10px;
  color: var(--color-text-sub);
}

.caution-note {
  padding-top: 10px;
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 700;
}

.usage-notes {
  display: grid;
  grid-template-columns: minmax(220px, 0.36fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 42px);
  align-items: start;
}

.usage-notes .section-heading {
  margin-bottom: 0;
}

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

.notice-list li {
  position: relative;
  padding: 0 0 12px 22px;
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border);
}

.notice-list li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--color-primary);
  border-radius: 50%;
}

.company-table th,
.company-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

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

.company-table th {
  width: 30%;
  color: var(--color-primary);
  background: var(--color-primary-lt);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 4vw, 44px);
}

.company-statement {
  background:
    linear-gradient(90deg, rgba(230, 245, 236, 0.82), rgba(250, 252, 250, 0.94)),
    var(--color-primary-lt);
}

.company-statement .section-heading {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 42px);
}

.statement-title {
  display: grid;
  gap: 6px;
  font-size: clamp(1.45rem, 2.35vw, 1.9rem);
  line-height: 1.42;
}

.statement-line {
  display: block;
}

.statement-line-main {
  white-space: nowrap;
}

.mission-item {
  position: relative;
  min-width: 0;
  padding: 4px 0 4px clamp(18px, 2.5vw, 26px);
  border-left: 3px solid var(--color-primary);
}

.mission-item h3 {
  color: var(--color-primary);
  font-size: clamp(1.08rem, 1.7vw, 1.28rem);
}

.mission-item p {
  max-width: 560px;
  margin-top: 12px;
  color: var(--color-text-sub);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: 28px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 34px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(26, 46, 34, 0.05);
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  font-weight: 800;
}

.required {
  color: var(--color-primary);
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-field textarea {
  min-height: 160px;
  resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(46, 139, 87, 0.12);
}

.field-error {
  min-height: 1.4em;
  color: #b04738;
  font-size: 0.84rem;
  font-weight: 700;
}

.form-message {
  display: none;
  padding: 14px 16px;
  color: var(--color-primary);
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 800;
}

.form-message.is-visible {
  display: block;
}

.contact-note {
  display: grid;
  gap: 16px;
  padding: 24px;
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.sns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.contact-title-line {
  display: block;
  white-space: nowrap;
}

.sns-card {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: clamp(22px, 3vw, 28px);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 22px rgba(26, 46, 34, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.sns-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.sns-icon {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-width: 58px;
  min-height: 58px;
  font-family: "DM Sans", "Noto Sans JP", sans-serif;
  font-size: 0.86rem;
  font-weight: 800;
}

.sns-icon img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
}

.sns-card p {
  color: var(--color-text-sub);
}

.sns-button-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.sns-button-group.single {
  grid-template-columns: 1fr;
}

.sns-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  color: var(--color-primary);
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
  transition: transform 0.25s ease, background 0.25s ease;
}

.sns-button img {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  object-fit: contain;
  border-radius: 0;
}

.sns-button:hover {
  background: #d9f0e3;
  transform: translateY(-2px);
}

.sns-button[aria-disabled="true"] {
  cursor: default;
}

.sns-status {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  color: var(--color-primary);
  background: var(--color-primary-lt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 800;
}

.site-footer {
  padding: 42px clamp(18px, 5vw, 40px);
  color: var(--color-text-sub);
  background: #f1f8f3;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  align-items: center;
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.footer-nav,
.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.9rem;
  font-weight: 700;
}

.footer-side {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.copyright {
  font-size: 0.84rem;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: clamp(18px, 4vw, 40px);
    left: clamp(18px, 4vw, 40px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
  }

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

  .site-nav a {
    padding: 12px;
  }

  .home-hero-inner,
  .split,
  .feature-row,
  .feature-row:nth-child(even),
  .diagram-grid,
  .distributor,
  .ecopika-hero-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .ecopika-hero-photo {
    width: min(100%, 520px);
    margin: 10px 0 0;
  }

  .feature-row:nth-child(even) .feature-copy,
  .feature-row:nth-child(even) .feature-figure {
    order: initial;
  }

  .feature-grid,
  .cards-grid,
  .mission-grid,
  .sns-grid,
  .product-lineup-groups,
  .product-lineup-grid,
  .product-feature-grid,
  .dilution-grid,
  .usecase-grid {
    grid-template-columns: 1fr;
  }

  .usage-notes {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .product-placeholder {
    min-height: 300px;
  }

  .cta-inner,
  .footer-inner {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .cta-inner {
    display: grid;
  }

  .footer-side {
    justify-items: start;
  }
}

@media (max-width: 620px) {
  .header-inner {
    gap: 6px;
    padding-right: 10px;
    padding-left: 10px;
  }

  .brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: calc(100% - 120px);
    gap: 6px;
    overflow: hidden;
  }

  .brand img {
    flex: 0 0 auto;
    width: 34px;
    height: 34px;
  }

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

  .brand .brand-wordmark {
    width: clamp(72px, 24vw, 88px);
    max-width: 100%;
    height: auto;
  }

  .brand-name {
    font-size: 1rem;
  }

  .brand-sub {
    display: none;
  }

  .lang-switch button {
    min-width: 36px;
    min-height: 30px;
    padding: 0 6px;
    font-size: 0.7rem;
  }

  .header-actions {
    flex: 0 0 auto;
    gap: 6px;
  }

  .menu-toggle {
    width: 36px;
    height: 36px;
  }

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

  .hero-main-image img {
    width: 100%;
    height: auto;
    min-height: 0;
  }

  .hero-main-image {
    height: auto;
  }

  .hero-main-image::before {
    display: none;
  }

  .home-hero-inner {
    min-height: 0;
  }

  .home-hero-built {
    padding-top: 34px;
    padding-bottom: 42px;
  }

  .home-hero-copy {
    gap: 14px;
  }

  .wordmark-title {
    max-width: min(100%, 300px);
  }

  .wordmark-title img {
    max-width: 300px;
  }

  .home-hero-family-photo {
    width: 100%;
    max-width: 420px;
    margin-top: 8px;
    justify-self: center;
  }

  .home-hero-family-photo img {
    object-position: center;
  }

  h1 {
    font-size: clamp(2.15rem, 12vw, 3.2rem);
  }

  .features-heading-title {
    white-space: normal;
  }

  .features-heading-title .features-line {
    display: inline;
  }

  .features-line-top,
  .features-part,
  .cleaning-title-single,
  .cleaning-title-line,
  .keep-term,
  .tagline-line,
  .lead-line,
  .eyebrow,
  .contact-title-line,
  html[lang="ja"] .ecopika-hero-lead span {
    white-space: normal;
  }

  .eyebrow {
    font-size: 0.76rem;
    line-height: 1.45;
  }

  .cleaning-title-single .cleaning-title-line {
    display: inline;
  }

  html[lang="ja"] .features-heading-title {
    font-size: clamp(1.2rem, 6vw, 1.85rem);
  }

  html[lang="ja"] .cta-title {
    white-space: normal;
  }

  .about-heading span {
    white-space: normal;
  }

  .statement-title span {
    white-space: normal;
  }

  .company-hero-line {
    white-space: normal;
  }

  .about-lead .about-lead-ja,
  html[lang="en"] .about-lead .about-lead-en,
  .certification-lead span {
    display: inline;
  }

  .about-lead .about-lead-ja + .about-lead-ja::before,
  html[lang="en"] .about-lead .about-lead-en + .about-lead-en::before,
  .certification-lead span + span::before {
    content: " ";
  }

  .document-link img {
    height: min(74vw, 320px);
  }

  .section,
  .page-hero,
  .home-hero {
    padding-right: 18px;
    padding-left: 18px;
  }

  .page-hero .container,
  .section-heading,
  .lead,
  .sns-grid,
  .sns-card {
    min-width: 0;
    max-width: 100%;
  }

  .page-hero p,
  .section-heading p,
  .features-heading-title,
  .product-lineup-group-heading,
  .product-lineup-card h3,
  .product-lineup-card p,
  .sns-card h3,
  .sns-card p,
  .sns-button span {
    overflow-wrap: anywhere;
  }

  .sns-card {
    padding-right: 18px;
    padding-left: 18px;
  }

  .product-lineup-group {
    grid-template-columns: 1fr;
    grid-template-areas:
      "heading"
      "image"
      "cards";
    grid-template-rows: auto;
  }

  .product-lineup-card {
    min-height: 0;
  }

  .product-lineup-product-image {
    min-height: 0;
  }

  .product-lineup-product-image img {
    height: 100%;
    width: min(100%, 330px);
  }

  .product-lineup-product-image-bottle img {
    max-width: 170px;
  }

  .product-lineup-product-image-can img {
    max-width: 280px;
  }

  .product-lineup-group-heading p {
    white-space: normal;
  }

  html[lang="ja"] .product-lineup-lead {
    white-space: normal;
  }

  .sns-icon {
    max-width: 100%;
    flex-wrap: wrap;
  }

  .sns-button-group {
    grid-template-columns: 1fr;
  }

  .sns-button {
    min-width: 0;
    padding-right: 10px;
    padding-left: 10px;
  }

  .info-list div,
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
  }

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

  .company-table td {
    padding-top: 8px;
  }
}
