/* ============================================================
   EPOC Corporate Website - Stylesheet
   Modern, responsive, corporate Japanese engineering style
   ============================================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1e40af;
  --color-primary-light: #3b82f6;
  --color-primary-dark: #1e3a5f;
  --color-accent: #0ea5e9;
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-alt: #f1f5f9;
  --color-text-primary: #1e293b;
  --color-text-secondary: #64748b;
  --color-border: #e2e8f0;
  --color-white: #ffffff;
  --color-black: #0f172a;

  /* Typography */
  --font-ja: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
  --border-radius-sm: 4px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-ja);
  font-size: var(--font-size-base);
  line-height: 1.8;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

a:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
  font-weight: 700;
}

address {
  font-style: normal;
}

button {
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--color-primary-light);
  outline-offset: 2px;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

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

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-3);
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: var(--space-4) auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-12);
}

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

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-primary);
  flex-shrink: 0;
}

.header__logo-text {
  font-family: var(--font-en);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  line-height: 1;
}

.header__logo-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: none;
  line-height: 1.2;
}

.header__nav {
  display: none;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.header__nav-link {
  display: block;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.header__nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-surface);
}

.header__nav-link.is-active {
  color: var(--color-primary);
  background-color: rgba(30, 64, 175, 0.08);
  font-weight: 600;
}

/* Hamburger */
.header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  z-index: 1100;
  position: relative;
}

.header__hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 1px;
  transition: transform var(--transition-base), opacity var(--transition-fast);
}

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

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

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

/* Mobile Nav Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-text-primary);
  border-radius: var(--border-radius);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link.is-active {
  color: var(--color-primary);
  background-color: rgba(30, 64, 175, 0.06);
}

/* ============================================================
   PAGE HERO
   ============================================================ */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, #2563eb 100%);
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero__title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
  letter-spacing: 0.05em;
}

.page-hero__subtitle {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   HOME HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #0a1929; /* 画像読込完了前のフォールバック背景色 */
  overflow: hidden;
}

/* 背景写真 */
.hero__bg {
  position: absolute;
  inset: 0;
  display: block;
  z-index: 0;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  display: block;
}

/* テキスト可読性のためのオーバーレイ */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10, 25, 41, 0.45) 0%, rgba(10, 25, 41, 0.30) 35%, rgba(10, 25, 41, 0.65) 100%),
    radial-gradient(ellipse at center 60%, rgba(10, 25, 41, 0.45) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-8);
  max-width: 800px;
}

.hero__tagline {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  letter-spacing: 0.1em;
  animation: heroFadeUp 0.8s ease forwards;
  opacity: 0;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-4);
  animation: heroFadeUp 0.8s ease 0.2s forwards;
  opacity: 0;
  letter-spacing: 0.05em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.hero__company {
  font-family: var(--font-en);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-10);
  letter-spacing: 0.15em;
  animation: heroFadeUp 0.8s ease 0.3s forwards;
  opacity: 0;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.5);
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-10);
  background-color: var(--color-white);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: 50px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: heroFadeUp 0.8s ease 0.5s forwards;
  opacity: 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.hero__cta:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.hero__cta svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.hero__cta:hover svg {
  transform: translateX(3px);
}

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-10);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero__scroll-indicator svg {
  width: 24px;
  height: 24px;
  color: rgba(255, 255, 255, 0.6);
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollBounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

/* ============================================================
   SERVICES SECTION (Home)
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.08), rgba(14, 165, 233, 0.08));
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
}

.service-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.service-card__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   ABOUT TEASER (Home)
   ============================================================ */
.about-teaser {
  background-color: var(--color-surface);
}

.about-teaser__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: center;
}

.about-teaser__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--border-radius-xl);
  padding: var(--space-12) var(--space-8);
  position: relative;
  overflow: hidden;
  min-height: 260px;
}

.about-teaser__visual::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.08;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 20px,
      rgba(255,255,255,0.5) 20px,
      rgba(255,255,255,0.5) 21px
    );
  pointer-events: none;
}

.about-teaser__visual-text {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.15em;
  text-align: center;
}

.about-teaser__content {
  padding: var(--space-4) 0;
}

.about-teaser__lead {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}

.about-teaser__text {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.9;
}

.about-teaser__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.about-teaser__link:hover {
  gap: var(--space-3);
  color: var(--color-primary);
}

.about-teaser__link svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   NEWS SECTION (Home)
   ============================================================ */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}

.news-item:first-child {
  border-top: 1px solid var(--color-border);
}

.news-item__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.news-item__date {
  font-family: var(--font-en);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.news-item__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  background-color: rgba(30, 64, 175, 0.08);
  color: var(--color-primary);
  border-radius: 50px;
}

.news-item__title {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary), #2563eb);
  padding: var(--space-16) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.05;
  background-image:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 40px,
      rgba(255,255,255,0.5) 40px,
      rgba(255,255,255,0.5) 41px
    );
  pointer-events: none;
}

.cta-banner__content {
  position: relative;
  z-index: 1;
}

.cta-banner__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.cta-banner__text {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-8);
}

.cta-banner__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-10);
  background-color: var(--color-white);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: 50px;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.cta-banner__button:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.cta-banner__button svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   SERVICES DETAIL PAGE (concept.html)
   ============================================================ */
.service-detail {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child {
  border-bottom: none;
}

.service-detail__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.service-detail__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 56px;
  border-radius: var(--border-radius-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--color-white);
}

.service-detail__icon svg {
  width: 28px;
  height: 28px;
}

.service-detail__title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.service-detail__number {
  font-family: var(--font-en);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary-light);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: var(--space-1);
}

.service-detail__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  line-height: 1.9;
}

.service-detail__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.service-detail__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-surface);
  border-radius: var(--border-radius);
  border-left: 3px solid var(--color-primary-light);
}

.service-detail__list-item svg {
  width: 16px;
  height: 16px;
  min-width: 16px;
  color: var(--color-primary-light);
  margin-top: 2px;
}

/* ============================================================
   COMPANY PAGE
   ============================================================ */
.company-info {
  max-width: 800px;
  margin: 0 auto;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  vertical-align: top;
}

.company-table th {
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  width: 30%;
  background-color: var(--color-surface);
}

.company-table td {
  color: var(--color-text-secondary);
}

/* History Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
  border-radius: 1px;
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-8);
  padding-left: var(--space-4);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-8) + 3px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.timeline__year {
  font-family: var(--font-en);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.timeline__text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   ACCESS PAGE
   ============================================================ */
.access-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.access-map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.access-map iframe {
  width: 100%;
  height: 350px;
  border: 0;
  display: block;
}

.access-info {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
}

.access-info__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.access-info__title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.access-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.access-info__item:last-child {
  margin-bottom: 0;
}

.access-info__item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.access-info__label {
  font-weight: 600;
  color: var(--color-text-primary);
  display: block;
  margin-bottom: var(--space-1);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.contact-form-wrapper {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.form-label .required {
  display: inline-block;
  margin-left: var(--space-2);
  padding: 1px var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: #dc2626;
  background-color: #fef2f2;
  border-radius: var(--border-radius-sm);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: 1.6;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #cbd5e1;
}

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

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-10);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  font-weight: 600;
  font-size: var(--font-size-base);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
  width: 100%;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(30, 64, 175, 0.4);
}

.form-submit svg {
  width: 18px;
  height: 18px;
}

/* Form Error States */
.form-error {
  font-size: var(--font-size-xs);
  color: #dc2626;
  margin-top: var(--space-1);
  min-height: 0;
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Form Messages */
.form-message {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-top: var(--space-6);
}

.form-message--success {
  background-color: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.form-message--error {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-info-card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-lg);
  padding: var(--space-8);
}

.contact-info-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.contact-info-card__title svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.contact-info-card__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.contact-info-card__item:last-child {
  margin-bottom: 0;
}

.contact-info-card__item svg {
  width: 18px;
  height: 18px;
  min-width: 18px;
  color: var(--color-primary-light);
  margin-top: 2px;
}

.contact-info-card__label {
  font-weight: 600;
  color: var(--color-text-primary);
  display: block;
  margin-bottom: var(--space-1);
}

.contact-info-card__phone {
  font-family: var(--font-en);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-top: var(--space-2);
}

.contact-info-card__item--stacked {
  flex-direction: column;
  gap: var(--space-1);
}

.contact-info-card__note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--color-black);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer__brand {
  text-align: center;
}

.footer__logo {
  font-family: var(--font-en);
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.footer__company-name {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-4);
}

.footer__address {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer__nav {
  text-align: center;
}

.footer__nav-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-6);
}

.footer__nav-link {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer__nav-link:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  text-align: center;
}

.footer__copyright {
  font-family: var(--font-en);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.05em;
}

/* ============================================================
   RESPONSIVE: Tablet (768px+)
   ============================================================ */
@media (min-width: 768px) {
  .hero__tagline {
    font-size: var(--font-size-4xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-lg);
  }

  .page-hero {
    padding-top: calc(var(--header-height) + var(--space-20));
    padding-bottom: var(--space-20);
  }

  .page-hero__title {
    font-size: var(--font-size-4xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

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

  .about-teaser__inner {
    grid-template-columns: 1fr 1fr;
  }

  .news-item {
    flex-direction: row;
    align-items: center;
    gap: var(--space-6);
  }

  .access-layout {
    grid-template-columns: 1fr 380px;
  }

  .access-map iframe {
    height: 450px;
  }

  .contact-layout {
    grid-template-columns: 1fr 340px;
  }

  .form-submit {
    width: auto;
  }

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

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    text-align: left;
  }

  .footer__brand {
    text-align: left;
  }

  .footer__nav {
    text-align: right;
  }

  .footer__nav-list {
    justify-content: flex-end;
  }

  .header__logo-sub {
    display: block;
  }
}

/* ============================================================
   RESPONSIVE: Desktop (1024px+)
   ============================================================ */
@media (min-width: 1024px) {
  .header__hamburger {
    display: none;
  }

  .header__nav {
    display: block;
  }

  .hero__tagline {
    font-size: var(--font-size-5xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-xl);
  }

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

  .section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
  }
}

/* ============================================================
   RESPONSIVE: Large Desktop (1280px+)
   ============================================================ */
@media (min-width: 1280px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__tagline,
  .hero__subtitle,
  .hero__company,
  .hero__cta {
    animation: none;
    opacity: 1;
  }

  .hero__scroll-indicator {
    animation: none;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  .header,
  .mobile-nav,
  .hero__scroll-indicator,
  .cta-banner,
  .hero__cta {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
    font-size: 12pt;
    line-height: 1.5;
  }

  .hero {
    min-height: auto;
    background: none !important;
    padding: 20pt 0;
  }

  .hero__tagline,
  .hero__subtitle,
  .hero__company {
    color: #000 !important;
    opacity: 1 !important;
    animation: none !important;
  }

  .page-hero {
    background: none !important;
    padding: 20pt 0;
  }

  .page-hero__title,
  .page-hero__subtitle {
    color: #000 !important;
  }

  .section {
    padding: 20pt 0;
  }

  .service-card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .footer {
    background: none !important;
    color: #000 !important;
    border-top: 1px solid #ccc;
  }

  .footer__copyright,
  .footer__nav-link,
  .footer__address,
  .footer__company-name {
    color: #000 !important;
  }
}