/*C06 株式会社モノづくり — Style Sheet
   Concept: German Industrial Design x Engineering Precision
*/

/*CSS VARIABLES
*/
:root {
  /* Colors */
  --color-steel-gray: #2C2C2C;
  --color-white-steel: #E8E8E8;
  --color-warning-orange: #E85D04;
  --color-deep-navy: #0B1F3A;
  --color-light-bg: #F4F4F4;
  --color-white: #FFFFFF;
  --color-black: #000000;
  --color-border: #D0D0D0;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-overlay: rgba(11, 31, 58, 0.75);

  /* Typography */
  --font-display: 'DM Serif Display', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-jp: 'Zen Kaku Gothic New', sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.8;
  background-color: var(--color-light-bg);
  /* Subtle grid pattern */
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

address {
  font-style: normal;
}

small {
  font-size: 0.5em;
  font-weight: 400;
}

/*UTILITY: CONTAINER
*/
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/*SECTION HEADER
*/
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header__label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-warning-orange);
  margin-bottom: 8px;
}

.section-header__title {
  font-family: var(--font-jp);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-steel-gray);
  letter-spacing: 0.05em;
}

.section-header--light .section-header__title {
  color: var(--color-white-steel);
}

.section-header--light .section-header__label {
  color: var(--color-warning-orange);
}

/*BUTTONS
*/
.btn {
  display: inline-block;
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 14px 32px;
  border-radius: 2px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.05em;
}

.btn--primary {
  background-color: var(--color-warning-orange);
  color: var(--color-white);
  border-color: var(--color-warning-orange);
}

.btn--primary:hover {
  background-color: #D14D00;
  border-color: #D14D00;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-steel-gray);
}

.btn--large {
  padding: 18px 48px;
  font-size: 1rem;
}

/*HEADER
*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(44, 44, 44, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  flex-shrink: 0;
}

.header__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-warning-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 400;
}

.header__logo-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  line-height: 1.2;
}

.header__logo-text small {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

/*MEGA MENU
*/
.mega-menu {
  display: flex;
  align-items: center;
  gap: 0;
}

.mega-menu__item {
  position: relative;
}

.mega-menu__link {
  display: block;
  padding: 28px 18px;
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-white-steel);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.mega-menu__link:hover {
  color: var(--color-warning-orange);
}

.mega-menu__link--cta {
  margin-left: 8px;
  padding: 10px 24px;
  background-color: var(--color-warning-orange);
  color: var(--color-white);
  border-radius: 2px;
}

.mega-menu__link--cta:hover {
  background-color: #D14D00;
  color: var(--color-white);
}

/* Dropdown */
.mega-menu__dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 540px;
  background-color: var(--color-white);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  border-top: 3px solid var(--color-warning-orange);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.mega-menu__item--has-children:hover .mega-menu__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-menu__dropdown-inner {
  display: flex;
  gap: 0;
  padding: 32px;
}

.mega-menu__column {
  flex: 1;
  padding: 0 16px;
  border-right: 1px solid var(--color-border);
}

.mega-menu__column:last-child {
  border-right: none;
}

.mega-menu__column-title {
  font-family: var(--font-jp);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-steel-gray);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.05em;
}

.mega-menu__sub-list li {
  margin-bottom: 4px;
}

.mega-menu__sub-list a {
  display: block;
  padding: 6px 0;
  font-size: 0.82rem;
  color: var(--color-text-light);
  transition: all var(--transition-fast);
}

.mega-menu__sub-list a:hover {
  color: var(--color-warning-orange);
  padding-left: 6px;
}

/*HEADER ACTIONS
*/
.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 12px;
  cursor: pointer;
  border-radius: 2px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-white-steel);
  letter-spacing: 0.1em;
  transition: border-color var(--transition-fast);
}

.lang-toggle:hover {
  border-color: var(--color-white-steel);
}

.lang-toggle__option {
  opacity: 0.5;
  transition: opacity var(--transition-fast);
}

.lang-toggle__option--active {
  opacity: 1;
  color: var(--color-warning-orange);
}

.lang-toggle__divider {
  opacity: 0.3;
}

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: 0;
}

.header__hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white-steel);
  transition: all var(--transition-base);
}

.header__hamburger--active .header__hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__hamburger--active .header__hamburger-line:nth-child(2) {
  opacity: 0;
}

.header__hamburger--active .header__hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/*HERO
*/
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 31, 58, 0.85) 0%,
    rgba(44, 44, 44, 0.7) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  padding-top: var(--header-height);
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--color-warning-orange);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero__title {
  font-family: var(--font-jp);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero__description {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(232, 232, 232, 0.85);
  line-height: 2;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  right: 48px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero__scroll-indicator span {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(232, 232, 232, 0.6);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--color-warning-orange), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; height: 60px; }
  50% { opacity: 0.4; height: 40px; }
}

/*ABOUT
*/
.about {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about__lead {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-steel-gray);
  line-height: 2;
  margin-bottom: 20px;
}

.about__text p {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 16px;
}

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

.about__number-item {
  text-align: center;
  padding: 32px 16px;
  background-color: var(--color-light-bg);
  border-left: 3px solid var(--color-warning-orange);
}

.about__number-value {
  display: block;
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-steel-gray);
  line-height: 1.1;
  margin-bottom: 8px;
}

.about__number-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

/*BUSINESS
*/
.business {
  padding: var(--section-padding);
  background-color: var(--color-deep-navy);
}

.business__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.business__card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
  overflow: hidden;
}

.business__card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-warning-orange);
  transform: translateY(-4px);
}

.business__card-icon {
  padding: 24px 24px 0;
  color: var(--color-warning-orange);
}

.business__card-icon svg {
  width: 48px;
  height: 48px;
}

.business__card-image {
  height: 160px;
  margin: 16px 24px 0;
  background-size: cover;
  background-position: center;
  filter: grayscale(30%);
  transition: filter var(--transition-base);
}

.business__card:hover .business__card-image {
  filter: grayscale(0%);
}

.business__card-body {
  padding: 20px 24px 28px;
}

.business__card-title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.business__card-text {
  font-size: 0.82rem;
  color: rgba(232, 232, 232, 0.7);
  line-height: 1.8;
  margin-bottom: 16px;
}

.business__card-link {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-warning-orange);
  letter-spacing: 0.05em;
  transition: padding-left var(--transition-fast);
}

.business__card-link:hover {
  padding-left: 6px;
}

/*HISTORY TIMELINE
*/
.history {
  padding: var(--section-padding);
  background-color: var(--color-white);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline__line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-steel-gray) 5%,
    var(--color-steel-gray) 95%,
    transparent
  );
  transform: translateX(-50%);
}

.timeline__item {
  position: relative;
  width: 50%;
  padding: 0 40px 60px;
}

.timeline__item--left {
  left: 0;
  text-align: right;
  padding-right: 60px;
}

.timeline__item--right {
  left: 50%;
  text-align: left;
  padding-left: 60px;
}

.timeline__dot {
  position: absolute;
  top: 6px;
  width: 16px;
  height: 16px;
  background-color: var(--color-warning-orange);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-warning-orange);
  z-index: 2;
}

.timeline__item--left .timeline__dot {
  right: -8px;
}

.timeline__item--right .timeline__dot {
  left: -8px;
}

.timeline__content {
  background-color: var(--color-light-bg);
  padding: 24px 28px;
  border-radius: 2px;
  transition: box-shadow var(--transition-base);
}

.timeline__content:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.timeline__year {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-warning-orange);
  line-height: 1;
  margin-bottom: 6px;
}

.timeline__title {
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-steel-gray);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.timeline__content p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/*IR SECTION
*/
.ir {
  padding: var(--section-padding);
  background-color: var(--color-steel-gray);
}

.ir__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ir__card {
  display: block;
  padding: 32px 24px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.ir__card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-warning-orange);
  transform: translateY(-2px);
}

.ir__card-icon {
  display: block;
  font-size: 1.2rem;
  color: var(--color-warning-orange);
  margin-bottom: 12px;
}

.ir__card-title {
  font-family: var(--font-jp);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.ir__card-text {
  font-size: 0.8rem;
  color: rgba(232, 232, 232, 0.6);
  line-height: 1.7;
}

/*RECRUIT
*/
.recruit {
  padding: var(--section-padding);
  background-color: var(--color-light-bg);
}

.recruit__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.recruit__heading {
  font-family: var(--font-jp);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-steel-gray);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.recruit__lead {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 32px;
}

.recruit__benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.recruit__benefit {
  padding: 24px;
  background-color: var(--color-white);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition-base);
}

.recruit__benefit:hover {
  border-bottom-color: var(--color-warning-orange);
}

.recruit__benefit-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-warning-orange);
  line-height: 1;
  margin-bottom: 8px;
}

.recruit__benefit-title {
  font-family: var(--font-jp);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-steel-gray);
  margin-bottom: 8px;
}

.recruit__benefit p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/*ACCESS
*/
.access {
  padding: var(--section-padding);
  background-color: var(--color-deep-navy);
}

.access__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.access__location {
  padding: 32px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.access__badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  background-color: var(--color-warning-orange);
  color: var(--color-white);
  margin-bottom: 12px;
}

.access__name {
  font-family: var(--font-jp);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.access__address {
  font-size: 0.85rem;
  color: rgba(232, 232, 232, 0.7);
  line-height: 1.8;
  margin-bottom: 12px;
}

.access__transport {
  font-size: 0.8rem;
  color: rgba(232, 232, 232, 0.5);
  margin-bottom: 8px;
}

.access__tel {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-white-steel);
  font-weight: 500;
}

/*CONTACT CTA
*/
.contact-cta {
  padding: 80px 0;
  background-color: var(--color-steel-gray);
  text-align: center;
}

.contact-cta__title {
  font-family: var(--font-jp);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.contact-cta__text {
  font-size: 0.92rem;
  color: rgba(232, 232, 232, 0.7);
  line-height: 2;
  margin-bottom: 40px;
}

.contact-cta__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/*FOOTER
*/
.footer {
  padding: 64px 0 0;
  background-color: var(--color-black);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: var(--color-warning-orange);
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.footer__logo-text {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.footer__description {
  font-size: 0.8rem;
  color: rgba(232, 232, 232, 0.5);
  line-height: 1.8;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__nav-title {
  font-family: var(--font-jp);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-white-steel);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer__nav-list li {
  margin-bottom: 8px;
}

.footer__nav-list a {
  font-size: 0.8rem;
  color: rgba(232, 232, 232, 0.5);
  transition: color var(--transition-fast);
}

.footer__nav-list a:hover {
  color: var(--color-warning-orange);
}

.footer__bottom {
  padding: 24px 0;
  text-align: center;
}

.footer__copyright {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: rgba(232, 232, 232, 0.3);
  letter-spacing: 0.05em;
}

/*RESPONSIVE — TABLET (max-width: 768px)
*/
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --section-padding: 72px 0;
  }

  /* Header */
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-steel-gray);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
  }

  .header__nav--open {
    transform: translateX(0);
  }

  .mega-menu {
    flex-direction: column;
    padding: 24px;
    gap: 0;
  }

  .mega-menu__item {
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .mega-menu__link {
    padding: 16px 0;
    font-size: 1rem;
  }

  .mega-menu__link--cta {
    margin-left: 0;
    margin-top: 16px;
    text-align: center;
    display: block;
  }

  /* Accordion-style dropdown on mobile */
  .mega-menu__dropdown {
    position: static;
    min-width: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    background-color: rgba(255, 255, 255, 0.04);
    box-shadow: none;
    border-top: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
    pointer-events: auto;
  }

  .mega-menu__item--has-children:hover .mega-menu__dropdown,
  .mega-menu__item--has-children.is-open .mega-menu__dropdown {
    max-height: 600px;
    transform: none;
  }

  .mega-menu__dropdown-inner {
    flex-direction: column;
    padding: 16px;
    gap: 16px;
  }

  .mega-menu__column {
    padding: 0;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 16px;
  }

  .mega-menu__column:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .mega-menu__column-title {
    color: var(--color-warning-orange);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }

  .mega-menu__sub-list a {
    color: rgba(232, 232, 232, 0.7);
    padding: 8px 0;
  }

  .hero__title { font-size: 2.2rem; }
  .hero__description { font-size: 0.9rem; }
  .hero__scroll-indicator { display: none; }
  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .about__numbers { grid-template-columns: 1fr 1fr; }
  .business__grid { grid-template-columns: 1fr 1fr; gap: 16px; }

  /* Timeline */
  .timeline__line {
    left: 20px;
  }

  .timeline__item {
    width: 100%;
    padding-left: 56px;
    padding-right: 0;
  }

  .timeline__item--left {
    text-align: left;
    padding-right: 0;
    padding-left: 56px;
  }

  .timeline__item--right {
    left: 0;
    padding-left: 56px;
  }

  .timeline__item--left .timeline__dot,
  .timeline__item--right .timeline__dot {
    left: 12px;
    right: auto;
  }

  .ir__grid { grid-template-columns: 1fr 1fr; }
  .recruit__content { grid-template-columns: 1fr; gap: 40px; }
  .access__grid { grid-template-columns: 1fr; gap: 24px; }
  .footer__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__nav { grid-template-columns: repeat(3, 1fr); }
}

/*RESPONSIVE — MOBILE (max-width: 480px)
*/
@media (max-width: 480px) {
  :root { --section-padding: 56px 0; }
  .section-header { margin-bottom: 40px; }
  .section-header__title { font-size: 1.6rem; }
  .hero { min-height: 500px; }
  .hero__subtitle { font-size: 0.7rem; }
  .hero__title { font-size: 1.8rem; }
  .hero__description { font-size: 0.82rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { text-align: center; }
  .about__numbers { grid-template-columns: 1fr; gap: 16px; }
  .about__number-value { font-size: 2.4rem; }
  .business__grid { grid-template-columns: 1fr; }
  .business__card-image { margin: 12px 16px 0; height: 140px; }
  .business__card-body { padding: 16px; }
  .ir__grid { grid-template-columns: 1fr; }
  .recruit__benefits { grid-template-columns: 1fr; }
  .recruit__heading { font-size: 1.6rem; }
  .contact-cta__title { font-size: 1.6rem; }
  .contact-cta__actions { flex-direction: column; align-items: center; }
  .contact-cta__actions .btn { width: 100%; max-width: 320px; text-align: center; }
  .footer__nav { grid-template-columns: 1fr; gap: 24px; }
  .btn--large { padding: 14px 32px; font-size: 0.9rem;
  }
}