/* ============================================
   AGILOX Japan - Global Styles
   Base: agilox.net design system
   ============================================ */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --color-green: #99cc33;
  --color-green-dark: #7db32a;
  --color-dark: #393e42;
  --color-dark-alt: #2d2d2d;
  --color-white: #ffffff;
  --color-gray-light: #f5f5f5;
  --color-gray: #999999;
  --color-text-dark: #333333;

  /* Typography */
  --font-primary: "Noto Sans JP", "Open Sans", Arial, sans-serif;
  --font-heading: "Open Sans", "Noto Sans JP", Arial, sans-serif;

  /* Spacing */
  --header-height: 96px;
  --section-padding: 100px 0;
  --container-width: 1200px;
  --container-padding: 0 20px;

  /* Transitions */
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.container--wide {
  max-width: 1400px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(36px, 5vw, 65px);
  text-transform: uppercase;
  color: var(--color-white);
}

h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  text-transform: uppercase;
}

h3 {
  font-size: clamp(22px, 2.5vw, 30px);
}

h4 {
  font-size: clamp(18px, 2vw, 22px);
}

p {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

.text-green {
  color: var(--color-green);
}

.text-white {
  color: var(--color-white);
}

.text-center {
  text-align: center;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 16px 30px;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
  border: 2px solid var(--color-green);
  background: transparent;
  color: var(--color-white);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover {
  background: var(--color-green);
  color: var(--color-dark);
}

.btn--filled {
  background: var(--color-green);
  color: var(--color-dark);
}

.btn--filled:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
}

.btn--dark {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.btn--dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

/* --- Sections --- */
.section {
  padding: var(--section-padding);
}

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

.section--dark-alt {
  background-color: var(--color-dark-alt);
  color: var(--color-white);
}

.section--light {
  background-color: var(--color-gray-light);
  color: var(--color-text-dark);
}

.section--green {
  background-color: var(--color-green);
  color: var(--color-dark);
}

.section__header {
  text-align: center;
  margin-bottom: 60px;
}

.section__header h2 span {
  color: var(--color-green);
  display: block;
}

.section__header p {
  max-width: 800px;
  margin: 20px auto 0;
  font-size: 18px;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 30px;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-dark);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header__inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 30px;
}

.header__logo img {
  height: 40px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 0;
}

.header__nav-item {
  position: relative;
}

.header__nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.header__nav-link:hover {
  color: var(--color-green);
}

.header__nav-link .arrow {
  font-size: 10px;
  transition: var(--transition);
}

/* Dropdown */
.header__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-dark);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  padding: 10px 0;
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-link {
  display: block;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-white);
}

.header__dropdown-link:hover {
  color: var(--color-green);
  background: rgba(255, 255, 255, 0.05);
}

/* Header CTA buttons */
.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 20px;
}

.header__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 160px;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-heading);
  border: 2px solid var(--color-green);
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.header__btn:hover {
  background: var(--color-green);
  color: var(--color-dark);
}

.header__btn--contact {
  background: transparent;
}

/* Global site link */
.header__global {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 16px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.header__global:hover {
  color: var(--color-green);
}

/* Mobile menu toggle */
.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.header__menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
  transform-origin: center;
}

.header.is-open .header__menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header.is-open .header__menu-toggle span:nth-child(2) {
  opacity: 0;
}

.header.is-open .header__menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: var(--header-height);
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.1) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 0 60px;
}

.hero__subtitle {
  font-size: clamp(18px, 2vw, 24px);
  color: var(--color-green);
  font-style: italic;
  margin-bottom: 10px;
}

.hero h1 {
  margin-bottom: 30px;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 80px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
}

.footer__about h3,
.footer__links h3 {
  font-size: 18px;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-heading);
}

.footer__about p {
  color: var(--color-white);
  font-size: 14px;
  line-height: 1.8;
}

.footer__links-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.footer__link-list li {
  margin-bottom: 10px;
}

.footer__link-list a {
  color: var(--color-white);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__link-list a::before {
  content: '>';
  color: var(--color-green);
  font-weight: 700;
}

.footer__link-list a:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 13px;
  color: var(--color-white);
}

/* --- CTA Section --- */
.cta {
  background-color: var(--color-green);
  padding: 80px 0;
  text-align: center;
}

.cta h2 {
  color: var(--color-white);
  font-size: clamp(20px, 2.5vw, 28px);
  margin-bottom: 40px;
}

.cta__buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta .btn--dark {
  width: 220px;
  border-color: var(--color-dark);
  background: var(--color-dark);
  color: var(--color-white);
}

.cta .btn--dark:hover {
  background: transparent;
  color: var(--color-dark);
}

/* --- Floating Contact Button --- */
.floating-contact {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
}

.floating-contact__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  background: var(--color-green);
  color: var(--color-dark);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  line-height: 1.3;
  border-radius: 4px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: var(--transition);
}

.floating-contact__btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.floating-contact__btn img {
  width: 30px;
  height: auto;
  margin-bottom: 4px;
}

/* --- Product Lineup Section --- */
.product-lineup {
  background: var(--color-white);
  padding: 80px 0;
}

.product-lineup .grid {
  align-items: stretch;
}

.product-card {
  text-align: left;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.product-card p:last-of-type {
  flex-grow: 1;
}

.product-card__image {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
}

.product-card__image img {
  width: 100%;
  height: auto;
  max-width: 320px;
  transition: transform 0.3s ease;
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card h3 {
  font-family: "Open Sans", var(--font-heading), Arial, sans-serif;
  font-size: 32px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-green);
  margin-bottom: 0;
  line-height: 1.2;
}

.product-card__subtitle {
  font-family: "Open Sans", var(--font-heading), Arial, sans-serif;
  font-size: 25px;
  font-weight: 700;
  color: rgb(27, 34, 39);
  margin-bottom: 15px;
  line-height: 1;
}

.product-card p {
  font-size: 16px;
  line-height: 24px;
  color: rgb(0, 0, 0);
  margin-bottom: 20px;
}

.product-card .btn {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  padding: 14px 24px;
  background: var(--color-green);
  color: var(--color-white);
  border: 2px solid var(--color-green);
  border-radius: 3px;
  text-transform: uppercase;
  text-decoration: none;
  transition: var(--transition);
}

.product-card .btn:hover {
  background: var(--color-green-dark);
  border-color: var(--color-green-dark);
}

/* --- X-SWARM Intro Section --- */
.xswarm-intro {
  background: var(--color-dark) url('../images/top-section2a-bg.png') no-repeat right center / cover;
  padding: 80px 0;
  text-align: center;
}

.xswarm-intro h2 {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 30px;
  line-height: 1.2;
}

.xswarm-intro h2 span {
  color: var(--color-green);
  display: block;
}

.xswarm-intro p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-white);
  max-width: 960px;
  margin: 0 auto;
}

/* --- System Overview Section --- */
.system-overview {
  background: var(--color-dark);
  padding: 80px 0;
}

.system-overview h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 20px;
}

.system-overview h2 span {
  color: var(--color-green);
}

.system-overview__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.system-overview__text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-white);
}

.system-overview__diagram {
  text-align: center;
  background: var(--color-white);
  border-radius: 8px;
  padding: 30px;
}

.system-overview__diagram img {
  display: block;
  max-width: 380px;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

/* --- Features Section --- */
.features-section {
  background: var(--color-gray-light) url('../images/features/feature-bg.png') no-repeat center center / cover;
}

.features-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-top: 40px;
}

.features-nav__item {
  display: block;
  padding: 24px 20px;
  background: var(--color-white);
  color: var(--color-text-dark);
  text-align: center;
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  transition: var(--transition);
  border: 2px solid transparent;
}

.features-nav__item:hover {
  border-color: var(--color-green);
  color: var(--color-green);
}

/* --- Feature Detail Section --- */
.feature-detail {
  padding: 80px 0;
}

.feature-detail--dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.feature-detail--light {
  background-color: #F2F3F8;
  color: var(--color-text-dark);
}

.feature-detail__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-detail__inner--reverse {
  direction: rtl;
}

.feature-detail__inner--reverse > * {
  direction: ltr;
}

.feature-detail__label {
  font-family: var(--font-heading);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 10px;
  color: var(--color-green);
  /* opacity: 0.3; */
}

.feature-detail h3 {
  font-size: clamp(22px, 3vw, 32px);
  margin-bottom: 20px;
}

.feature-detail--dark p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-white);
}

.feature-detail--light p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-dark);
}

.feature-detail__list {
  list-style: disc;
  padding-left: 20px;
  font-size: 15px;
  line-height: 2;
}

.feature-detail--dark .feature-detail__list {
  color: var(--color-white);
}

.feature-detail--light .feature-detail__list {
  color: var(--color-text-dark);
}

.feature-detail__image {
  border-radius: 4px;
  overflow: hidden;
  margin: auto;
}

.feature-detail__image img {
  width: 100%;
  max-width: 500px;
  max-height: 500px;
  object-fit: contain;
}

/* --- FAQ Section --- */
.faq {
  background: var(--color-white);
  padding: 80px 0;
}

.faq__header {
  text-align: center;
  margin-bottom: 50px;
}

.faq__label {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-green);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.faq__header h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  color: var(--color-text-dark);
}

.faq__list {
  max-width: 900px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid #e0e0e0;
  padding: 30px 0;
}

.faq__item:first-child {
  border-top: 1px solid #e0e0e0;
}

.faq__question {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 12px;
  padding-left: 30px;
  position: relative;
}

.faq__question::before {
  content: 'Q.';
  position: absolute;
  left: 0;
  font-size: 18px;
  color: var(--color-green);
  font-weight: 700;
}

.faq__answer {
  font-size: 15px;
  line-height: 1.8;
  color: #666;
  padding-left: 30px;
  position: relative;
}

.faq__answer::before {
  content: 'A.';
  position: absolute;
  left: 0;
  font-size: 18px;
  color: var(--color-text-dark);
  font-weight: 700;
}

/* --- Top Page News Section --- */
.news-section {
  background: var(--color-white);
  padding: 80px 0;
}

.news-section__header {
  text-align: center;
  margin-bottom: 50px;
}

.news-section__label {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-green);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.news-section__header h2 {
  color: var(--color-text-dark);
}

.news-section__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.news-section .news-card {
  background: var(--color-white);
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-top: 3px solid var(--color-green);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-section .news-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.news-section .news-card__image {
  overflow: hidden;
}

.news-section .news-card__image img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-section .news-card:hover .news-card__image img {
  transform: scale(1.03);
}

.news-section .news-card__body {
  padding: 20px 24px 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-section .news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--color-gray);
}

.news-section .news-card__date {
  font-family: var(--font-heading);
  letter-spacing: 0.5px;
}

.news-section .news-card__category {
  display: inline-block;
  padding: 2px 10px;
  background: var(--color-gray-light);
  color: var(--color-text-dark);
  font-size: 12px;
  font-weight: 700;
  border-radius: 2px;
}

.news-section .news-card__title {
  font-size: 18px;
  color: var(--color-text-dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.news-section .news-card__excerpt {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-dark);
  margin-bottom: 16px;
  flex-grow: 1;
}

.news-section .news-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-green);
}

.news-section .news-card__link:hover {
  color: var(--color-green-dark);
}

/* --- News List (Top Page) --- */
.news-list {
  max-width: 900px;
  margin: 0 auto;
}

.news-list__item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid #e0e0e0;
  color: var(--color-text-dark);
  text-decoration: none;
  transition: var(--transition);
}

.news-list__item:first-child {
  border-top: 1px solid #e0e0e0;
}

.news-list__item:hover {
  color: var(--color-green);
}

.news-list__date {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--color-gray);
  white-space: nowrap;
  min-width: 100px;
}

.news-list__title {
  font-size: 16px;
  line-height: 1.6;
}

/* --- Showroom Section --- */
.showroom__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.showroom-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.showroom-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.showroom-card__info {
  padding: 25px;
  background: rgba(0, 0, 0, 0.8);
}

.showroom-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.showroom-card p {
  font-size: 14px;
  color: var(--color-gray);
  margin-bottom: 5px;
}

.showroom__note {
  text-align: center;
  padding: 30px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  margin-bottom: 30px;
}

.showroom__note p {
  font-size: 15px;
  color: var(--color-white);
}

/* --- Customers Section --- */
.customers__stats {
  text-align: center;
  margin-bottom: 60px;
}

.customers__stats h2 {
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.4;
}

.customers__stats .stat-number {
  color: var(--color-green);
}

.customers__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 40px;
  opacity: 0.6;
}

.customers__logos span {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-white);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .system-overview__content,
  .feature-detail__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-detail__inner--reverse {
    direction: ltr;
  }

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

  .hero__content {
    padding: 0 30px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --section-padding: 60px 0;
  }

  h2 {
    font-size: clamp(22px, 5vw, 28px);
  }

  h3 {
    font-size: clamp(18px, 4vw, 24px);
  }

  .xswarm-intro h2 {
    font-size: clamp(22px, 5vw, 28px);
  }

  .system-overview h2 {
    font-size: clamp(22px, 5vw, 28px);
  }

  .header__nav {
    display: none;
  }

  .header__actions {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
    margin-left: 20px;
  }

  .header__global {
    margin-left: auto;
  }

  /* Mobile menu open state */
  .header.is-open .header__nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-dark);
    padding: 20px;
  }

  .header.is-open .header__nav-list {
    flex-direction: column;
    width: 100%;
    max-width: 250px;
    margin: auto;
  }

  .header.is-open .header__nav-item {
    width: 100%;
  }

  .header.is-open .header__nav-link {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
  }

  .header.is-open .header__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    padding-left: 20px;
  }

  .header.is-open .header__actions {
    display: flex;
    /* flex-direction: column; */
    width: 100%;
    margin-left: 0;
    margin-top: 20px;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .hero {
    min-height: 500px;
    height: auto;
    padding: 120px 0 80px;
  }

  .hero__content {
    padding: 0 20px;
  }

  .news-section__grid {
    grid-template-columns: 1fr;
  }

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

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

  .cta__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta__buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .floating-contact {
    bottom: 15px;
    right: 15px;
  }

  .floating-contact__btn {
    width: 70px;
    height: 70px;
    font-size: 10px;
  }
}

@media (max-width: 480px) {
  .features-nav {
    grid-template-columns: 1fr;
  }
}

/* --- Japanese subtitle (small) --- */
.sub-ja {
  font-size: 0.65em;
  font-weight: 400;
}