/* =========================================================
   TAYUM Corporate Site - Stylesheet
   ========================================================= */

:root {
  /* Brand */
  --color-primary: #192c3e;        /* sub: navy */
  --color-primary-dark: #0f1c2a;
  --color-primary-light: #32d1ea;  /* main: cyan (used for links / highlights) */
  --color-accent: #32d1ea;         /* same cyan for accent role */
  --color-accent-dark: #1ab5cf;
  --color-accent-soft: rgba(50, 209, 234, 0.12);

  /* Text & surface */
  --color-text: #1a1a1a;
  --color-text-muted: #5a6470;
  --color-text-light: #8a929c;
  --color-bg: #ffffff;
  --color-surface: #f4f8fb;
  --color-surface-2: #e8eff5;
  --color-border: #dde6ee;
  --color-border-light: #edf2f7;
  --color-success: #2d8a5f;
  --color-danger: #d14343;

  --shadow-sm: 0 1px 2px rgba(25, 44, 62, 0.06);
  --shadow-md: 0 4px 12px rgba(25, 44, 62, 0.10);
  --shadow-lg: 0 14px 36px rgba(25, 44, 62, 0.14);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --container: 1160px;
  --container-narrow: 880px;

  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;

  --transition: 0.2s ease;
}

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

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

body {
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.4;
  color: var(--color-primary);
  font-weight: 700;
}

/* ----- Layout ----- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-sm {
  padding: 64px 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: 16px;
  font-size: 2rem;
  letter-spacing: 0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 56px;
  font-size: 0.95rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-primary-light);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* ----- Header ----- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.brand:hover {
  color: var(--color-primary);
  opacity: 0.85;
}

.brand-img {
  height: 36px;
  width: auto;
  display: block;
}

.footer-brand .brand-img {
  height: 30px;
}

.nav-list {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav-list a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 8px 0;
}

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

.nav-list a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.nav-cta {
  background-color: var(--color-primary);
  color: #fff !important;
  padding: 10px 20px !important;
  border-radius: var(--radius-sm);
  font-size: 0.9rem !important;
  transition: background-color var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background-color: var(--color-primary-dark);
  color: #fff !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  cursor: pointer;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition);
}

.nav-toggle span:nth-child(1) {
  top: 13px;
}

.nav-toggle span:nth-child(2) {
  top: 19px;
}

.nav-toggle span:nth-child(3) {
  top: 25px;
}

.nav-toggle.is-open span:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}

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

.nav-toggle.is-open span:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-light);
  padding: 12px 0;
}

.btn-ghost::after {
  content: "→";
  transition: transform var(--transition);
}

.btn-ghost:hover::after {
  transform: translateX(4px);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1rem;
}

/* ----- Hero (TOP) ----- */
.hero {
  position: relative;
  padding: 80px 0;
  background-color: #050d18;
  background-image:
    linear-gradient(100deg,
      rgba(5, 13, 24, 0.92) 0%,
      rgba(5, 13, 24, 0.75) 28%,
      rgba(5, 13, 24, 0.35) 55%,
      rgba(5, 13, 24, 0.10) 80%,
      transparent 100%),
    url("/images/hero_image.png");
  background-size: cover, cover;
  background-position: center, center right;
  background-repeat: no-repeat, no-repeat;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
  /* Fill the remaining viewport (minus 72px sticky header) so the hero
     is the only thing visible above the fold, regardless of monitor size. */
  min-height: calc(100vh - 72px);
  min-height: calc(100svh - 72px);
  display: flex;
  align-items: center;
}

/* Subtle vignette to anchor edges and deepen mood */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 90% at 50% 50%, transparent 50%, rgba(0, 0, 0, 0.5) 100%);
  z-index: 0;
  pointer-events: none;
}

/* Soft top fade so the page hero blends */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 24, 0.4) 0%, transparent 25%, transparent 75%, rgba(5, 13, 24, 0.55) 100%);
  z-index: 0;
  pointer-events: none;
}


.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  text-align: left;
  width: 100%;
}

.hero-content {
  max-width: 620px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 28px;
  padding: 8px 20px;
  border: 1px solid rgba(50, 209, 234, 0.45);
  border-radius: 100px;
  background-color: rgba(50, 209, 234, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.hero-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.hero-title {
  font-size: clamp(1.95rem, 5vw, 3.4rem);
  line-height: 1.32;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
  color: #fff;
  font-weight: 800;
}

.hero-title .accent {
  background: linear-gradient(135deg, #32d1ea 0%, #7be7f3 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  padding: 0 0.05em;
}

.hero-lead {
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 0 18px;
  line-height: 1.95;
}

.hero-lead:last-child {
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
}

/* Hero buttons (overrides for dark bg) */
.hero .btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 8px 28px rgba(50, 209, 234, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.hero .btn-primary:hover {
  background-color: #5fdcef;
  color: var(--color-primary);
  box-shadow: 0 12px 36px rgba(50, 209, 234, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  transform: translateY(-2px);
}

.hero .btn-outline {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.hero .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

/* Scroll indicator (small visual cue) */
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
}

.hero-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, rgba(50, 209, 234, 0.8) 0%, transparent 100%);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: "";
  position: absolute;
  top: -36px;
  left: 0;
  width: 100%;
  height: 36px;
  background: linear-gradient(180deg, transparent 0%, #32d1ea 50%, transparent 100%);
  animation: hero-scroll-dot 2.4s linear infinite;
}

@keyframes hero-scroll-dot {
  0%   { top: -36px; }
  100% { top: 100%; }
}

/* Page hero (slim) */
.page-hero {
  background: linear-gradient(180deg, #ecfbfd 0%, #ffffff 100%);
  padding: 80px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(50, 209, 234, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-inner {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

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

.breadcrumb-separator {
  margin: 0 8px;
  color: var(--color-text-light);
}

/* ----- Cards / Grids ----- */
.grid {
  display: grid;
  gap: 24px;
}

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

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

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

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.card-link {
  display: block;
  color: inherit;
  height: 100%;
}

.card-link:hover {
  color: inherit;
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.card-icon-accent {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

/* Service cards (non-product .card-link) use a slightly smaller heading
   so long mixed JP/EN titles like "Google Workspace導入・活用支援"
   fit on one line within the 3-column grid. */
.card-link:not(.product-card) h3 {
  font-size: 1.05rem;
  letter-spacing: 0;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.card-arrow {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  color: var(--color-primary-light);
  font-weight: 600;
  font-size: 0.9rem;
}

.card-arrow::after {
  content: "→";
  margin-left: 6px;
  transition: transform var(--transition);
}

.card-link:hover .card-arrow::after {
  transform: translateX(4px);
}

/* Product card variant */
.product-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card .product-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary-light);
  background-color: rgba(50, 209, 234, 0.12);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.product-card h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.product-card .product-tagline {
  font-size: 0.9rem;
  color: var(--color-primary-light);
  font-weight: 600;
  margin-bottom: 16px;
}

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

/* ----- Pillars (4 columns) ----- */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.pillar {
  text-align: center;
  padding: 32px 20px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

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

.pillar-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: block;
}

.pillar h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.pillar p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ----- Feature list ----- */
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-item {
  padding: 24px;
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-primary-light);
}

.feature-item h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.feature-item p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ----- Check list ----- */
.check-list {
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 32px;
  font-size: 0.98rem;
  color: var(--color-text);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  width: 22px;
  height: 22px;
  background-color: var(--color-primary-light);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

/* ----- Steps ----- */
.steps {
  display: grid;
  gap: 20px;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 24px 24px 24px 80px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 24px;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.step h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.step p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ----- Issue list (red themed) ----- */
.issue-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.issue-list li {
  position: relative;
  padding: 20px 20px 20px 56px;
  background-color: #fef5f5;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 0.98rem;
  line-height: 1.7;
  border: 1px solid #f9dada;
}

.issue-list li::before {
  content: "!";
  position: absolute;
  left: 18px;
  top: 20px;
  width: 26px;
  height: 26px;
  background-color: var(--color-danger);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
}

/* ----- Two-column section ----- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.two-col h2 {
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.two-col p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

/* Decorative panel */
.deco-panel {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.deco-panel::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 200px;
  height: 200px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.deco-panel::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 240px;
  height: 240px;
  background-color: rgba(50, 209, 234, 0.2);
  border-radius: 50%;
}

.deco-panel-inner {
  position: relative;
  z-index: 1;
}

.deco-panel h3 {
  color: #fff;
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.deco-panel p {
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.9;
  font-size: 0.98rem;
}

/* ----- CTA section ----- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background-color: rgba(50, 209, 234, 0.15);
  border-radius: 50%;
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

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

.cta-section h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .hero-actions {
  justify-content: center;
}

.cta-section .btn-primary {
  background-color: var(--color-accent);
}

.cta-section .btn-primary:hover {
  background-color: var(--color-accent-dark);
}

.cta-section .btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.cta-section .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ----- Tables (会社概要など) ----- */
.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table th,
.info-table td {
  text-align: left;
  padding: 18px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.98rem;
  vertical-align: top;
}

.info-table th {
  width: 200px;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-surface);
}

.info-table td {
  color: var(--color-text);
  line-height: 1.8;
}

/* ----- Forms ----- */
.form {
  display: grid;
  gap: 24px;
  background-color: var(--color-bg);
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.form-row label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-row .required {
  color: var(--color-danger);
  font-size: 0.8rem;
  margin-left: 4px;
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #fff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--color-primary-light);
  box-shadow: 0 0 0 3px rgba(50, 209, 234, 0.2);
}

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

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.form-actions {
  display: flex;
  justify-content: center;
  margin-top: 12px;
}

/* ----- Portrait / Representative ----- */
.portrait-card {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}

.portrait-card .portrait-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

.portrait-card .portrait-caption {
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-top: 1px solid var(--color-border-light);
}

.portrait-role {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.portrait-name {
  font-size: 1.15rem;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.avatar-inline {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.avatar-inline img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 2px solid var(--color-accent);
}

.avatar-inline .avatar-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.avatar-inline .avatar-role {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.avatar-inline .avatar-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

/* ----- Hero: Japanese stacked title ----- */
.hero-title-jp {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 36px;
}

.hero-title-jp-line {
  font-size: clamp(1.95rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.4;
  color: #fff;
  letter-spacing: 0.04em;
  text-shadow: 0 0 24px rgba(0, 0, 0, 0.35);
}

.hero-title-jp .accent {
  background: linear-gradient(135deg, #a5f0fa 0%, #32d1ea 55%, #1ab5cf 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline;
  padding: 0 0.04em;
  text-shadow: 0 0 30px rgba(50, 209, 234, 0.4);
}

/* ----- Pain Points grid ----- */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.pain-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}

.pain-item:hover {
  border-color: var(--color-accent);
  transform: translateX(3px);
  box-shadow: var(--shadow-sm);
}

.pain-item-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(50, 209, 234, 0.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.pain-item p {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
  margin: 0;
}

.pain-closing {
  text-align: center;
  margin-top: 48px;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

@media (max-width: 960px) {
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .pain-grid { grid-template-columns: 1fr; }
}

/* ----- MVV summary cards (TOP) ----- */
.mvv-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mvv-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

.mvv-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.mvv-card-label {
  display: block;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.mvv-card-body {
  font-size: 1.02rem;
  color: var(--color-primary);
  font-weight: 600;
  line-height: 1.85;
  margin: 0;
}

@media (max-width: 960px) {
  .mvv-summary { grid-template-columns: 1fr; }
}

/* ----- Message signature ----- */
.message-signature {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.message-signature-role {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}

.message-signature-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

/* ----- Pillars (3 columns variant) ----- */
.pillars-3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 960px) {
  .pillars-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .pillars-3 {
    grid-template-columns: 1fr;
  }
}

/* ----- Concept section (Work for Joy) ----- */
.concept-section {
  position: relative;
  padding: 120px 0;
  background:
    radial-gradient(ellipse 900px 500px at 50% 110%, rgba(50, 209, 234, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 700px 400px at 50% -10%, rgba(50, 209, 234, 0.10) 0%, transparent 60%),
    linear-gradient(180deg, #08131f 0%, #142639 55%, #08131f 100%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}

.concept-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: radial-gradient(ellipse 80% 75% at 50% 50%, black 25%, transparent 88%);
          mask-image: radial-gradient(ellipse 80% 75% at 50% 50%, black 25%, transparent 88%);
  pointer-events: none;
  z-index: 0;
}

.concept-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.concept-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 28px;
  font-weight: 600;
  padding: 8px 20px;
  border: 1px solid rgba(50, 209, 234, 0.45);
  border-radius: 100px;
  background-color: rgba(50, 209, 234, 0.08);
}

.concept-eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.concept-tagline {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 28px;
  background: linear-gradient(135deg, #a5f0fa 0%, #32d1ea 60%, #1ab5cf 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
}

.concept-subhead {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 600;
  color: #fff;
  line-height: 1.65;
  margin-bottom: 44px;
}

.concept-body {
  text-align: left;
  max-width: 760px;
  margin: 0 auto;
}

.concept-body p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 2.05;
  font-size: 1rem;
  margin-bottom: 18px;
}

.concept-body p + p {
  margin-top: 8px;
}

.concept-highlights {
  margin: 36px 0;
  padding: 28px 32px;
  border-left: 3px solid var(--color-accent);
  background-color: rgba(50, 209, 234, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.concept-highlights p {
  margin: 0;
  padding: 6px 0;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
  line-height: 1.75;
}

.concept-closing {
  text-align: center;
  margin-top: 40px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.85;
}

.concept-closing strong {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* Button overrides on the dark concept-section */
.concept-section .btn-outline {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  -webkit-backdrop-filter: blur(4px);
          backdrop-filter: blur(4px);
}

.concept-section .btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}

.concept-section .btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.concept-section .btn-primary:hover {
  background-color: #5fdcef;
  color: var(--color-primary);
}

/* ----- Concept section: left-aligned variant ----- */
.concept-section.concept-left .concept-inner {
  text-align: left;
}

.concept-section.concept-left .concept-body {
  text-align: left;
  margin-left: 0;
  margin-right: auto;
}

.concept-section.concept-left .concept-closing {
  text-align: left !important;
}

.concept-section.concept-left .concept-cta {
  margin-top: 56px;
  text-align: left;
}

.concept-section.concept-left .btn-outline {
  background-color: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
  -webkit-backdrop-filter: none;
          backdrop-filter: none;
}

.concept-section.concept-left .btn-outline:hover {
  background-color: rgba(50, 209, 234, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

/* ----- MVV (Mission / Vision) ----- */
.mvv-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  padding: 72px 0;
  border-bottom: 1px solid var(--color-border);
}

.mvv-block:last-child {
  border-bottom: none;
}

.mvv-label {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mvv-label-en {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 700;
}

.mvv-label-jp {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.mvv-label-divider {
  width: 32px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 4px;
  border-radius: 2px;
}

.mvv-content h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  line-height: 1.5;
  color: var(--color-primary);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.mvv-content p {
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 14px;
  font-size: 1rem;
}

/* ----- Values list ----- */
.values-list {
  display: grid;
  gap: 0;
}

.value-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

.value-item:first-child {
  border-top: none;
  padding-top: 16px;
}

.value-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.value-content h3 {
  font-size: 1.45rem;
  margin-bottom: 18px;
  color: var(--color-primary);
  line-height: 1.45;
}

.value-content > p {
  color: var(--color-text-muted);
  line-height: 2;
  margin-bottom: 20px;
  font-size: 1rem;
}

.value-quote {
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 18px 26px;
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 0;
  line-height: 1.7;
}

/* MVV / Values responsive */
@media (max-width: 960px) {
  .mvv-block {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 56px 0;
  }

  .value-item {
    grid-template-columns: 80px 1fr;
    gap: 24px;
    padding: 40px 0;
  }

  .value-num {
    font-size: 2rem;
  }
}

@media (max-width: 720px) {
  .concept-section {
    padding: 80px 0;
  }

  .concept-highlights {
    padding: 20px 22px;
  }

  .value-item {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 32px 0;
  }

  .value-num {
    font-size: 2.2rem;
  }

  .value-quote {
    padding: 14px 20px;
    font-size: 0.95rem;
  }
}

/* ----- Lead box (gray) ----- */
.lead-box {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border-left: 4px solid var(--color-primary-light);
}

.lead-box p {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--color-text);
}

/* ----- Article list (News / Magazine) ----- */
.article-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.article-item {
  display: grid;
  grid-template-columns: 140px 120px 1fr;
  gap: 24px;
  padding: 24px 8px;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  color: var(--color-text);
  transition: background-color var(--transition);
}

.article-item:hover {
  background-color: var(--color-surface);
  color: var(--color-text);
}

.article-date {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-feature-settings: "tnum";
}

.article-category {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary-light);
  background-color: rgba(50, 209, 234, 0.12);
  padding: 4px 10px;
  border-radius: 100px;
  text-align: center;
  width: fit-content;
  justify-self: start;
}

.article-category.cat-news {
  color: var(--color-primary);
  background-color: rgba(25, 44, 62, 0.08);
}

.article-category.cat-product {
  color: var(--color-accent-dark);
  background-color: rgba(50, 209, 234, 0.18);
}

.article-category.cat-dx {
  color: #1f6b48;
  background-color: rgba(45, 138, 95, 0.1);
}

.article-category.cat-workspace {
  color: #c8421f;
  background-color: rgba(232, 90, 50, 0.1);
}

.article-category.cat-improvement {
  color: #6b3aa8;
  background-color: rgba(120, 80, 200, 0.1);
}

.article-category.cat-ai {
  color: #2261b8;
  background-color: rgba(45, 109, 200, 0.1);
}

.article-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.7;
}

.article-item:hover .article-title {
  color: var(--color-primary-light);
}

/* Magazine card variant */
.magazine-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: 100%;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: inherit;
}

.magazine-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
  color: inherit;
}

.magazine-card .article-category {
  margin-bottom: 14px;
}

.magazine-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  line-height: 1.6;
}

.magazine-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  flex-grow: 1;
}

.magazine-card .article-date {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

/* Case card */
.case-card {
  display: block;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  color: inherit;
  height: 100%;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
  color: inherit;
}

.case-card .case-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.case-card .case-meta .article-category {
  margin: 0;
}

.case-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  line-height: 1.6;
}

.case-card .case-summary {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* Coming soon empty state */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
}

.empty-state .empty-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.empty-state h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.empty-state p {
  color: var(--color-text-muted);
  line-height: 1.9;
  max-width: 560px;
  margin: 0 auto 24px;
}

/* Category filter chips */
.category-chips {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.category-chips a {
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 100px;
  background-color: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.category-chips a:hover,
.category-chips a.is-active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

@media (max-width: 720px) {
  .article-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 4px;
  }

  .article-date {
    font-size: 0.85rem;
  }
}

/* ===== Magazine article (detail) ===== */
.article-hero {
  background: linear-gradient(180deg, #ecfbfd 0%, #ffffff 100%);
  padding: 64px 0 36px;
  position: relative;
  overflow: hidden;
}

.article-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(50, 209, 234, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.article-hero-inner {
  position: relative;
  z-index: 1;
}

.article-hero .article-category {
  margin-bottom: 18px;
}

.article-hero h1 {
  font-size: clamp(1.5rem, 2.9vw, 2.15rem);
  line-height: 1.5;
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.article-meta .article-date {
  margin: 0;
}

/* Key-points box (placed directly under the title/date, above the prose body) */
.article-hero + .section {
  padding-top: 32px;
}

.article-points {
  background-color: #f0fafc;
  border: 1px solid #cfe8f0;
  border-radius: 14px;
  margin: 0 0 40px;
  padding: 0;
  overflow: hidden;
  box-shadow: 0 8px 22px rgba(25, 44, 62, 0.07);
}

.article-points .points-label {
  display: block;
  position: relative;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 14px 24px 14px 52px;
  margin: 0;
}

.article-points .points-label::before {
  content: "✓";
  position: absolute;
  left: 22px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  border-radius: 50%;
}

.article-points ul {
  margin: 0;
  padding: 20px 28px 22px;
}

.article-points ul li {
  list-style: none;
  position: relative;
  padding-left: 30px;
  line-height: 1.85;
}

.article-points ul li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  top: 0;
  color: var(--color-primary-light);
  font-weight: 800;
  font-size: 1.05em;
}

.article-points ul li + li {
  margin-top: 10px;
}

/* Prose body */
.article-body {
  font-size: 1rem;
  color: var(--color-text);
}

.article-body > * + * {
  margin-top: 1.5em;
}

.article-lead {
  font-size: 1.1rem;
  line-height: 2;
  color: var(--color-text);
}

.article-body h2 {
  font-size: 1.4rem;
  line-height: 1.5;
  margin-top: 3.4em;
  margin-bottom: 1.2em;
  padding-bottom: 0.5em;
  border-bottom: 2px solid var(--color-border);
}

.article-body h3 {
  font-size: 1.12rem;
  margin-top: 2.6em;
  margin-bottom: 0.6em;
  color: var(--color-primary);
}

.article-body p {
  line-height: 2;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5em;
}

.article-body ul li {
  list-style: disc;
  line-height: 1.9;
}

.article-body ol li {
  list-style: decimal;
  line-height: 1.9;
}

.article-body li + li {
  margin-top: 0.5em;
}

.article-body strong {
  font-weight: 700;
  color: var(--color-primary);
}

.article-body a {
  text-decoration: underline;
}

/* In-article callout / quote */
.article-callout {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 22px 26px;
}

.article-callout p {
  margin: 0;
  line-height: 1.9;
}

/* Back-to-list link */
.article-back {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
}

.article-back a {
  font-size: 0.92rem;
  font-weight: 600;
}

/* Related articles */
.related-heading {
  font-size: 1.3rem;
  text-align: center;
  margin-bottom: 28px;
}

/* ----- Footer ----- */
.site-footer {
  background-color: #0f1c2a;
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ----- Utilities ----- */
.text-center {
  text-align: center;
}

.mt-32 {
  margin-top: 32px;
}

.mt-48 {
  margin-top: 48px;
}

.mb-16 {
  margin-bottom: 16px;
}

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: 48px 0;
}

/* ----- Reduced motion ----- */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-line::after {
    animation: none !important;
  }
}

/* ----- Responsive ----- */
@media (max-width: 960px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .section {
    padding: 72px 0;
  }
}

@media (max-width: 720px) {
  .nav-list {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
  }

  .nav-list.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-list a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border-light);
  }

  .nav-list a:last-child {
    border-bottom: none;
  }

  .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .nav-toggle {
    display: block;
  }

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

  .feature-list,
  .issue-list {
    grid-template-columns: 1fr;
  }

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

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

  .hero {
    padding: 110px 0 100px;
    min-height: auto;
    background-image:
      linear-gradient(180deg,
        rgba(5, 13, 24, 0.85) 0%,
        rgba(5, 13, 24, 0.45) 40%,
        rgba(5, 13, 24, 0.65) 100%),
      url("/images/hero_image.png");
    background-position: center, center;
    background-size: cover, cover;
    text-align: center;
  }

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

  .hero-content {
    margin: 0 auto;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-scroll {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .deco-panel {
    padding: 32px 24px;
  }

  .form {
    padding: 28px 20px;
  }

  .info-table th {
    width: 110px;
    padding: 14px;
  }

  .info-table td {
    padding: 14px;
  }

  .step {
    padding: 60px 20px 20px;
  }

  .step::before {
    top: 16px;
    left: 20px;
  }
}