/* Loadmax AI - Clean static site styles */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Open+Sans:wght@400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --color-primary: #4d61d6;
  --color-primary-light: #6878d6;
  --color-heading: #242a56;
  --color-text: #393a56;
  --color-bg: #eff2ff;
  --color-icon: #6878d6;
  --color-white: #ffffff;
  --color-accent: #bfd1ff;
  --color-kefu: #1863e8;
  --color-kefu-light: #6ec1e4;
  --container-width: 1200px;
  --header-height: 80px;
  --font-body: 'Open Sans', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', 'Meiryo', sans-serif;
  --font-heading: 'Poppins', 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', 'Meiryo', sans-serif;
  --shadow-card: 0 4px 24px rgba(36, 42, 86, 0.08);
  --radius: 8px;
  --transition: 0.25s ease;
  --letter-spacing: 1.5px;
}


*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  font-family: var(--font-body);
  letter-spacing: var(--letter-spacing);
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.9;
  letter-spacing: var(--letter-spacing);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  font-weight: 600;
  line-height: 1.35;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 8px 16px;
  background: var(--color-primary);
  color: #fff;
}

.skip-link:focus {
  left: 0;
}

/* Header */
.site-header {
  z-index: 1000;
}

.site-header--solid,
.site-header--overlay {
  position: relative;
}

.site-header--solid {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(36, 42, 86, 0.08);
}

.site-header--overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  /* background: linear-gradient(to bottom, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0.15) 70%, transparent 100%); */
  box-shadow: none;
}

.site-header--overlay .nav-list a {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.site-header--overlay .nav-list>li:not(.has-dropdown)>a:hover,
.site-header--overlay .nav-list>li:not(.has-dropdown)>a.active {
  background: var(--color-primary);
  color: #fff;
  text-shadow: none;
  border-radius: 6px;
}

.site-header--overlay .has-dropdown>a.active {
  background: var(--color-primary);
  color: #fff;
  text-shadow: none;
  border-radius: 6px;
}

.site-header--overlay .has-dropdown:hover>a,
.site-header--overlay .has-dropdown:hover>a.active {
  background: var(--color-primary);
  color: #fff;
  text-shadow: none;
  border-radius: 6px 6px 0 0;
}

.site-header--overlay .dropdown {
  background: var(--color-primary);
  box-shadow: none;
  border-radius: 0 0 6px 6px;
  transform: none;
  padding: 0;
  min-width: 100%;
  width: max-content;
}

.site-header--overlay .has-dropdown:hover .dropdown {
  transform: none;
}

.site-header--overlay .dropdown a {
  color: #fff;
  padding: 4px 18px;
  font-size: 15px;
  border-radius: 0;
  text-shadow: none;
  white-space: nowrap;
}

.site-header--overlay .dropdown a:hover,
.site-header--overlay .dropdown a.active {
  background: rgba(0, 0, 0, 0.12);
  color: #fff;
}

.site-header--overlay .dropdown li+li a {
  border-top: 1px solid rgba(0, 0, 0, 0.2);
}

.site-header--overlay .dropdown li:last-child a {
  border-radius: 0 0 6px 6px;
}

.site-header--overlay .menu-toggle {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: 16px;
}

.site-logo {
  background: none;
  line-height: 0;
}

.site-logo img {
  height: 56px;
  width: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 4px;
}

.nav-list>li {
  position: relative;
}

.nav-list>li.has-dropdown>a {
  white-space: nowrap;
}

.nav-list a {
  display: block;
  padding: 4px 14px;
  color: var(--color-heading);
  font-size: 15px;
  font-weight: 500;
  border-radius: 4px;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
  background: rgba(77, 97, 214, 0.06);
}

.nav-list .has-dropdown>a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 100%;
  width: max-content;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  list-style: none;
  padding: 8px 0;
}

.dropdown a {
  padding: 10px 20px;
  font-size: 14px;
  white-space: nowrap;
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.menu-toggle {
  display: none;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-heading);
}

.mobile-nav-panel {
  position: absolute;
  top: 100%;
  right: 16px;
  left: auto;
  z-index: 10051;
  width: max-content;
  min-width: 240px;
  max-width: calc(100vw - 32px);
  max-height: 0;
  margin-top: 8px;
  overflow: hidden;
  opacity: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  border-radius: 8px;
  visibility: hidden;
  pointer-events: none;
  transition:
    max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.3s ease,
    visibility 0s linear 0.55s;
}

.mobile-nav-panel.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 28px rgba(36, 42, 86, 0.12);
  border: 1px solid rgba(36, 42, 86, 0.08);
  transition:
    max-height 0.55s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.4s ease 0.06s,
    visibility 0s;
}

.mobile-nav-panel.is-open.is-settled {
  overflow-y: auto;
  max-height: calc(100vh - var(--header-height, 72px) - 24px);
  scrollbar-width: none;
}

.mobile-nav-panel.is-open.is-settled::-webkit-scrollbar {
  display: none;
}

.mobile-nav-panel.is-closing {
  opacity: 0;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  transition:
    max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.32s ease,
    visibility 0s linear 0.55s;
}

.mobile-nav-panel.is-closing .mobile-nav-panel__inner {
  opacity: 0;
  transform: translateY(-4px);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.mobile-nav-panel__inner {
  opacity: 0;
  transform: translateY(-6px);
  transition:
    opacity 0.4s ease 0.08s,
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1) 0.08s;
}

.mobile-nav-panel.is-open .mobile-nav-panel__inner {
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav__list {
  list-style: none;
  margin: 0;
  padding: 8px 0 16px;
}

.mobile-nav__link {
  display: block;
  min-height: 48px;
  padding: 12px 20px;
  color: var(--color-heading);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}

.mobile-nav__group + .mobile-nav__group,
.mobile-nav__group + li,
li + .mobile-nav__group {
  border-top: 1px solid rgba(36, 42, 86, 0.08);
}

.mobile-nav__sub {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  background: rgba(77, 97, 214, 0.06);
}

.mobile-nav__sub .mobile-nav__link {
  min-height: 44px;
  padding: 10px 20px 10px 36px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text);
}

.mobile-nav__link.active,
.mobile-nav__sub .mobile-nav__link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.site-header--overlay .mobile-nav-panel.is-open {
  background: rgba(255, 255, 255, 0.96);
}

.site-header--overlay .mobile-nav__link {
  color: var(--color-heading);
  text-shadow: none;
}

.site-header--overlay .mobile-nav__sub .mobile-nav__link {
  color: var(--color-text);
}

.site-header--overlay .mobile-nav__group + .mobile-nav__group,
.site-header--overlay .mobile-nav__group + li,
.site-header--overlay li + .mobile-nav__group {
  border-top-color: rgba(36, 42, 86, 0.08);
}

.site-header--overlay .mobile-nav__link.active,
.site-header--overlay .mobile-nav__sub .mobile-nav__link.active {
  color: var(--color-primary);
}

/* Hero slideshow */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-heading);
}

.hero-slide {
  flex: 0 0 100%;
  width: 100%;
  min-width: 100%;
  box-sizing: border-box;
}

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

.hero-track {
  display: flex;
  align-items: flex-start;
  transition: transform 0.6s ease;
  will-change: transform;
}

.hero-carousel {
  position: relative;
}

.hero-banner {
  position: relative;
}

.hero-banner--static picture {
  display: block;
}

.hero-banner--static .hero-banner__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10;
}

.hero-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.2s;
}

.hero-dot:hover {
  transform: scale(1.15);
}

.hero-dot.active {
  background: #fff;
}

.hero--page {
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.hero--page::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(36, 42, 86, 0.45) 0%, rgba(36, 42, 86, 0.65) 100%);
}

.hero--page .hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 0 24px;
}

.hero--page h1 {
  color: #fff;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

/* Sections */
.section {
  padding: 64px 0;
}

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

.section--light {
  background: var(--color-bg);
  padding: 64px 0;
}

.section--challenges {
  padding: 60px 0 50px;
}

.section--challenges .card-grid {
  margin-top: 80px;
  gap: 50px;
}

.section--challenges .icon-card {
  background: #ffffff;
  transition: box-shadow 0.3s ease;
}

.section--challenges .icon-card:hover {
  box-shadow: 0 10px 30px rgba(208, 216, 234, 0.3);
}

.section-title {
  text-align: center;
  margin-bottom: 12px;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.section--light>.container>.section-title {
  margin-bottom: 48px;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-heading);
}

.section--challenges>.container>.section-title {
  margin-bottom: 0;
}

.section-divider {
  display: block;
  width: 60px;
  height: 0;
  border: none;
  border-top: 2px solid var(--color-icon);
  margin: 8px auto 24px;
}

.section--features-header .section-divider {
  width: 60%;
  max-width: 480px;
  margin-top: 8px;
  margin-bottom: 24px;
}

.section--industries-header .section-divider {
  width: 80%;
  margin-top: 8px;
  margin-bottom: 24px;
}

.section-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}

/* Icon cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-grid .icon-card {
  text-align: left;
  padding: 40px;
  box-shadow: none;
  border-radius: 0;
}

.card-grid .icon-card__icon {
  width: auto;
  height: auto;
  margin: 0 0 28px;
  justify-content: flex-start;
  color: var(--color-icon);
}

.card-grid .icon-card__icon i {
  font-size: 50px;
  line-height: 1;
  display: block;
}

.card-grid .icon-card__icon svg {
  width: 50px;
  height: 50px;
  fill: currentColor;
}

.card-grid .icon-card h5 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 18px;
  color: var(--color-heading);
}

.card-grid .icon-card p {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: #7a7a7a;
}

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

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

.icon-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-card);
}

.icon-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-icon);
}

.icon-card__icon i {
  font-size: 40px;
  line-height: 1;
}

.icon-card__icon svg {
  width: 40px;
  height: 40px;
  fill: currentColor;
}

.icon-card h3,
.icon-card h4,
.icon-card h5 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.icon-card p {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Intro box (image + text) */
.section--intro {
  background: var(--color-bg);
  padding: 60px 0 0;
}

.intro-box {
  display: flex;
  align-items: center;
  gap: 0;
  background: #ffffff;
  border-radius: 20px;
  padding: 50px;
}

.intro-box img {
  width: 34%;
  max-width: 400px;
  height: 200px;
  object-fit: cover;
  flex-shrink: 0;
  border-radius: 0;
  box-shadow: none;
}

.intro-box h2 {
  flex: 1;
  font-size: 18px;
  font-weight: 400;
  line-height: 26px;
  color: var(--color-heading);
  padding-left: 32px;
  margin: 0;
}

/* Features header */
.section--features-header {
  background: var(--color-bg);
  padding: 80px 0 10px;
}

.section--features-header .section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 0;
}

.section--features-header .section-desc {
  font-size: 16px;
  color: var(--color-text);
  margin-bottom: 0;
}

/* Features grid with background */
.section--features {
  position: relative;
  padding: 47px 0 52px;
  background: url('../images/18.png') center center / cover no-repeat fixed;
}

.section--features::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.25);
  pointer-events: none;
}

.features-grid-wrap {
  width: 100%;
  background: #fbfbfb;
  position: relative;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 0;
}

.features-grid .icon-card {
  background: #ffffff;
  margin: 4px;
  padding: 50px 35px;
  border-radius: 15px;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
  border: none;
  text-align: left;
  transition: box-shadow 0.3s ease;
}

.features-grid .icon-card:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.08);
}

.features-grid .icon-card__icon {
  margin: 0 0 28px;
  justify-content: flex-start;
  color: var(--color-primary);
}

.features-grid .icon-card__icon svg,
.features-grid .icon-card__icon i {
  width: 50px;
  height: 50px;
  font-size: 50px;
}

.features-grid .icon-card h3,
.features-grid .icon-card h5 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--color-heading);
}

.features-grid .icon-card p {
  font-size: 15px;
  color: #7a7a7a;
  line-height: 1.7;
}

.features-grid .icon-card__icon svg {
  fill: currentColor;
}

.features-grid .icon-card__icon .hm::before {
  display: block;
}

.features-grid .icon-card--center {
  text-align: center;
}

.features-grid .icon-card--center .icon-card__icon {
  justify-content: center;
}

/* Industries */
.section--industries {
  background: var(--color-bg);
  padding: 0 0 60px;
}

.section--industries-header {
  padding: 60px 20px 30px;
}

.section--industries-header .section-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 0;
}

.section--industries-header .section-desc {
  margin-bottom: 0;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.industry-card {
  position: relative;
  display: block;
  overflow: hidden;
  text-decoration: none;
  color: #ffffff;
  cursor: pointer;
}

.industry-card__image {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.industry-card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  text-align: center;
  padding: 0 10px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 100%);
}

.industry-card__body h3 {
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  margin-bottom: 28px;
}

.industry-card__body p {
  font-size: 15px;
  line-height: 1.7;
  color: #ffffff;
}

.industry-note {
  text-align: center;
  margin-top: 60px;
  padding-top: 0;
  font-size: 16px;
  color: var(--color-heading);
}

/* Feature split (legacy) */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.feature-split img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.feature-split h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  line-height: 1.6;
}

/* Image box cards */
.image-box {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

.image-box:hover {
  transform: translateY(-4px);
  color: inherit;
}

.image-box__img {
  aspect-ratio: 16/10;
  background: var(--color-bg);
  overflow: hidden;
}

.image-box__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-box__body {
  padding: 20px;
}

.image-box__body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.image-box__body p {
  font-size: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 6px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}

.btn:hover {
  background: var(--color-primary-light);
  color: #fff !important;
}

.btn-center {
  text-align: center;
  margin-top: 14px;
}

.btn--sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 230px;
  height: 34px;
  padding: 0;
  font-size: 14px;
}

/* Tabs */
.tabs {
  margin-top: 32px;
}

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 32px;
  list-style: none;
}

.tab-nav button {
  padding: 10px 20px;
  border: 2px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 14px;
  transition: all var(--transition);
}

.tab-nav button.active,
.tab-nav button:hover {
  background: var(--color-primary);
  color: #fff;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

@media (max-width: 921px) {
  .tab-nav-scroll {
    position: relative;
    margin-left: -16px;
    margin-right: -16px;
    padding: 0 16px;
  }

  .tab-nav-scroll::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 18px;
    width: 44px;
    pointer-events: none;
    z-index: 2;
    background: linear-gradient(to left, var(--tab-scroll-fade, var(--color-bg)) 20%, transparent);
  }

  .product-features .tab-nav-scroll {
    --tab-scroll-fade: #eff2ff;
  }

  .tab-nav-scroll .tab-nav {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scroll-padding-inline: 16px;
    gap: 10px;
    padding-bottom: 12px;
    margin-bottom: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) rgba(36, 42, 86, 0.15);
  }

  .tab-nav-scroll .tab-nav::-webkit-scrollbar {
    display: block;
    height: 6px;
  }

  .tab-nav-scroll .tab-nav::-webkit-scrollbar-track {
    background: rgba(36, 42, 86, 0.1);
    border-radius: 999px;
  }

  .tab-nav-scroll .tab-nav::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 999px;
  }

  .tab-nav-scroll .tab-nav li {
    flex: 0 0 auto;
    margin: 0;
    scroll-snap-align: start;
  }

  .tab-nav-scroll .tab-nav button {
    width: auto;
    white-space: nowrap;
    font-size: 15px;
    font-weight: 500;
    padding: 12px 20px;
    min-height: 44px;
    box-shadow: 0 2px 10px rgba(36, 42, 86, 0.16);
  }

  .tab-nav-scroll .tab-nav button.active {
    box-shadow: 0 4px 16px rgba(36, 42, 86, 0.28);
  }
}

.tab-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.tab-item {
  text-align: center;
  padding: 16px;
}

.tab-item img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 12px;
}

.tab-item h4 {
  font-size: 0.95rem;
}

/* Accordion */
.accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--color-white);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(36, 42, 86, 0.06);
}

.accordion-item summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-heading);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-item summary::-webkit-details-marker {
  display: none;
}

.accordion-item summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--color-primary);
}

.accordion-item[open] summary::after {
  content: '−';
}

.accordion-item .accordion-body {
  padding: 0 24px 18px;
  line-height: 1.8;
}

/* Content blocks */
.content-block {
  max-width: 900px;
  margin: 0 auto;
}

.content-block h2 {
  margin: 32px 0 16px;
  font-size: 1.35rem;
}

.content-block p {
  margin-bottom: 16px;
}

.content-block img {
  margin: 24px auto;
  border-radius: var(--radius);
}

.rule-section {
  padding: 48px 0;
  border-bottom: 1px solid rgba(36, 42, 86, 0.08);
}

.rule-section h2 {
  margin-bottom: 16px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

/* Contact form */
.contact-info {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
}

.contact-form {
  background: var(--color-white);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--color-heading);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d0d5e8;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 15px;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* Company cards */
.company-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.company-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.company-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

/* Footer */
.site-footer {
  background: var(--color-heading);
  color: #fff;
  padding: 45px 0 0;
  border-top: 1px solid rgba(230, 230, 230, 0.57);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-bottom: 45px;
  align-items: flex-start;
}

.footer-grid h2 {
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  margin-bottom: 12px;
  line-height: 1.65;
}

.footer-grid p {
  line-height: 1.8;
  font-size: 12px;
  font-weight: 400;
  color: #fff;
  margin: 0;
}

.footer-logo {
  margin-bottom: 12px;
  max-width: 68px;
}

.footer-bottom {
  border-top: 1px solid rgba(81, 86, 129, 0.72);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  font-weight: 400;
  color: #fff;
}

.footer-bottom p {
  font-size: 14px;
  font-weight: 400;
  margin: 0;
}

/* Kefu floating widget */
.my_kefu {
  position: fixed;
  top: 40%;
  right: 0;
  z-index: 999;
}

.my_kefu ul {
  list-style: none;
}

.my_kefu li {
  background: #fff;
  width: 50px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  padding: 5px;
  cursor: pointer;
  position: relative;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12);
}

.my_kefu li img {
  width: 32px;
  height: auto;
}

.my_kefu_item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.my_kefu_hidden {
  display: none;
  position: absolute;
  right: 4rem;
  background: var(--color-kefu);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  white-space: nowrap;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.my_kefu li:hover .my_kefu_item {
  display: none;
}

.my_kefu li:hover .my_kefu_hidden {
  display: flex;
}

.my_kefu_hidden a {
  color: #fff;
}

/* Mobile nav page */
.mobile-nav-page {
  min-height: 100vh;
  background: var(--color-bg);
}

.mobile-nav-page .sheet {
  max-width: 100%;
  padding: 16px 18px 32px;
}

.mobile-nav-page .menu {
  list-style: none;
}

.mobile-nav-page .menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--color-heading);
  font-weight: 500;
  font-size: 15px;
}

.mobile-nav-page .menu-branch>summary {
  list-style: none;
  cursor: pointer;
}

.mobile-nav-page .menu-branch>summary::-webkit-details-marker {
  display: none;
}

.mobile-nav-page .menu-sub {
  padding-left: 16px;
}

.mobile-nav-page .menu-sub .menu-row {
  font-size: 14px;
  color: var(--color-text);
}

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

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

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

@media (max-width: 921px) {
  .site-header {
    z-index: 10050;
    overflow: visible;
  }

  .hero-banner,
  .summary-hero,
  .contact-hero,
  .enterprise-hero,
  .devsupport-hero,
  .compute-hero {
    overflow: visible;
  }

  .mobile-nav-panel.is-open,
  .mobile-nav-panel.is-closing,
  .mobile-nav-panel.is-settled {
    position: fixed;
    margin-top: 0;
  }

  body.mobile-nav-open .hero-banner,
  body.mobile-nav-open .compute-hero,
  body.mobile-nav-open .summary-hero,
  body.mobile-nav-open .enterprise-hero,
  body.mobile-nav-open .devsupport-hero,
  body.mobile-nav-open .contact-hero {
    position: relative;
    z-index: 10049;
  }

  .hero--desktop {
    display: none;
  }

  .hero--mobile {
    display: block;
  }

  .main-nav .nav-list {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .section--challenges {
    padding: 20px 0;
  }

  .section--challenges .card-grid {
    margin-top: 0;
    gap: 0;
  }

  .section--challenges>.container>.section-title {
    font-size: 20px;
  }

  .section--challenges .icon-card {
    margin: 10px;
    padding: 25px;
  }

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

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

  .feature-split {
    grid-template-columns: 1fr;
  }

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

  .features-grid .icon-card {
    margin: 20px 0;
  }

  .intro-box {
    flex-direction: column;
    padding: 25px;
  }

  .intro-box img {
    width: 100%;
    max-width: 250px;
    height: auto;
    margin-bottom: 15px;
  }

  .intro-box h2 {
    padding-left: 0;
    font-size: 16px;
  }

  .section--features {
    background-attachment: scroll;
    padding: 30px 0;
  }

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

  .section--industries-header {
    padding: 50px 10px;
  }

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

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

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

@media (min-width: 922px) {
  .mobile-nav-panel {
    display: none;
  }

  .hero--mobile {
    display: none;
  }

  .hero--desktop {
    display: block;
  }
}

@media (max-width: 544px) {
  .section {
    padding: 40px 0;
  }
}