/* ===== Base / Tokens ===== */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f5f5;
  --color-bg-dark: #1a1a1a;
  --color-text: #1a1a1a;
  --color-text-sub: #666666;
  --color-text-inverse: #ffffff;
  --color-accent: #000000;
  --color-border: #e5e5e5;
  --color-overlay: rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

/* Latin font for English & numerals */
.en {
  font-family: "Helvetica Neue", "Arial", sans-serif;
}

a { color: var(--color-text); text-decoration: none; }
a:hover { opacity: 0.7; transition: opacity .2s; }

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  opacity: 1;
}

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

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .container { padding: 0 40px; }
}
@media (min-width: 1024px) {
  .container { padding: 0 80px; }
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) {
  .header-inner { padding: 0 40px; }
}
@media (min-width: 1024px) {
  .header-inner { padding: 0 80px; }
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  color: var(--color-text);
}
.logo:hover { opacity: 1; }
.logo-main {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 16px;
}
.logo-sub {
  font-size: 10px;
  color: var(--color-text-sub);
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.nav a {
  color: var(--color-text);
  font-weight: 500;
}
.nav-cta {
  color: var(--color-text) !important;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 4px;
}

/* Hamburger toggle */
.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  position: relative;
}
.nav-toggle-bar {
  display: block;
  position: absolute;
  left: 8px;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform .25s, opacity .2s, top .25s;
}
.nav-toggle-bar:nth-child(1) { top: 13px; }
.nav-toggle-bar:nth-child(2) { top: 19px; }
.nav-toggle-bar:nth-child(3) { top: 25px; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) {
  top: 19px;
  transform: rotate(45deg);
}
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) {
  top: 19px;
  transform: rotate(-45deg);
}

/* Body offset for fixed header */
body { padding-top: 72px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
  color: var(--color-text-inverse);
}
@media (min-width: 768px) {
  .hero { min-height: 100vh; }
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: var(--color-bg-dark);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.25) 0%, var(--color-overlay) 60%, rgba(0, 0, 0, 0.6) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  padding: 96px 0;
  width: 100%;
}
.hero-tag {
  display: block;
  font-size: 14px;
  letter-spacing: 0.2em;
  font-weight: 500;
  color: var(--color-text-inverse);
  text-transform: uppercase;
  margin: 0 0 32px;
}
.hero-title {
  font-size: clamp(32px, 5.5vw, 64px);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 32px;
  color: var(--color-text-inverse);
}
.hero-title .accent { color: var(--color-text-inverse); }
.hero-lead {
  font-size: 16px;
  max-width: 640px;
  color: var(--color-text-inverse);
  margin: 0 0 48px;
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero button overrides — inverted on dark hero */
.hero .btn-primary {
  background: var(--color-text-inverse);
  color: var(--color-text);
  border-color: var(--color-text-inverse);
}
.hero .btn-primary:hover {
  background: #f0f0f0;
  border-color: #f0f0f0;
  color: var(--color-text);
}
.hero .btn-ghost {
  background: transparent;
  border-color: var(--color-text-inverse);
  color: var(--color-text-inverse);
}
.hero .btn-ghost:hover {
  background: var(--color-text-inverse);
  color: var(--color-text);
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-text-inverse);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  z-index: 2;
}
.hero-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 48px;
  background: var(--color-text-inverse);
  margin: 12px auto 0;
  animation: scroll-hint 1.8s ease-in-out infinite;
  transform-origin: top center;
}
@keyframes scroll-hint {
  0%   { transform: scaleY(0); }
  50%  { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: bottom center; }
}
@media (max-width: 767px) {
  .hero-scroll { display: none; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: 0;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: background .25s, color .25s, border-color .25s, transform .15s;
  border: 1px solid transparent;
  cursor: pointer;
  position: relative;
  font-family: inherit;
}
.btn:hover { opacity: 1; transform: translateY(-1px); }
.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: #333;
  border-color: #333;
  color: var(--color-text-inverse);
}
.btn-ghost {
  background: transparent;
  border-color: var(--color-text);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}
.btn-large {
  width: 100%;
  padding: 22px;
  font-size: 14px;
}

/* ===== Sections ===== */
.section {
  padding: 72px 0;
  background: var(--color-bg);
}
@media (min-width: 768px) {
  .section { padding: 120px 0; }
}
.section-alt { background: var(--color-bg-alt); }

.section-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 16px;
  line-height: 1.4;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin: 0 0 32px;
  line-height: 1.4;
}
.section-lead {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0 0 64px;
  max-width: 720px;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ===== Fade-in animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
/* Stagger delays for grouped cards */
.worries-list .worry-card.fade-in:nth-child(1) { transition-delay: 0s; }
.worries-list .worry-card.fade-in:nth-child(2) { transition-delay: 0.05s; }
.worries-list .worry-card.fade-in:nth-child(3) { transition-delay: 0.1s; }
.worries-list .worry-card.fade-in:nth-child(4) { transition-delay: 0.15s; }

.promise-grid .promise-card.fade-in:nth-child(1) { transition-delay: 0s; }
.promise-grid .promise-card.fade-in:nth-child(2) { transition-delay: 0.05s; }
.promise-grid .promise-card.fade-in:nth-child(3) { transition-delay: 0.1s; }

.timeline .timeline-step.fade-in:nth-child(1) { transition-delay: 0s; }
.timeline .timeline-step.fade-in:nth-child(2) { transition-delay: 0.05s; }
.timeline .timeline-step.fade-in:nth-child(3) { transition-delay: 0.1s; }
.timeline .timeline-step.fade-in:nth-child(4) { transition-delay: 0.15s; }

.cards .card.fade-in:nth-child(1) { transition-delay: 0s; }
.cards .card.fade-in:nth-child(2) { transition-delay: 0.05s; }
.cards .card.fade-in:nth-child(3) { transition-delay: 0.1s; }
.cards .card.fade-in:nth-child(4) { transition-delay: 0.15s; }
.cards .card.fade-in:nth-child(5) { transition-delay: 0.2s; }

.voice-cards .voice-card.fade-in:nth-child(1) { transition-delay: 0s; }
.voice-cards .voice-card.fade-in:nth-child(2) { transition-delay: 0.05s; }
.voice-cards .voice-card.fade-in:nth-child(3) { transition-delay: 0.1s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .fade-in { opacity: 1; transform: none; }
}

/* ===== Worries ===== */
.worries-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .worries-list { grid-template-columns: repeat(2, 1fr); }
}
.worry-card {
  background: var(--color-bg);
  border-radius: 0;
  padding: 40px 32px;
  list-style: none;
}
.section-alt .worry-card { background: var(--color-bg); }
.worry-num {
  display: block;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--color-text-sub);
  font-weight: 500;
  margin-bottom: 20px;
}
.worry-card h3 {
  font-size: 20px;
  color: var(--color-text);
  margin: 0 0 16px;
  line-height: 1.6;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.worry-card p {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ===== Promise ===== */
.promise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .promise-grid { grid-template-columns: repeat(3, 1fr); }
}
.promise-card {
  background: var(--color-bg);
  border-radius: 0;
  padding: 0;
}
.promise-media {
  aspect-ratio: 1 / 1;
  background: var(--color-bg-alt);
  overflow: hidden;
  margin-bottom: 24px;
}
.promise-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.promise-card:hover .promise-media img { transform: scale(1.02); }
.promise-card h3 {
  font-size: 20px;
  color: var(--color-text);
  margin: 0 0 16px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.promise-card p {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ===== Partner / Timeline ===== */
.partner-group-lead {
  color: var(--color-text-sub);
  margin: -8px 0 32px;
  font-size: 16px;
  line-height: 1.8;
}
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.timeline-step {
  position: relative;
  padding-left: 64px;
  margin-bottom: 64px;
  list-style: none;
}
.timeline-step:last-child { margin-bottom: 0; }
.timeline-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  border-radius: 0;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
}
.timeline-title {
  font-size: 22px;
  color: var(--color-text);
  margin: 4px 0 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.timeline-content { padding-top: 0; }

.partner-items {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .partner-items {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
}
.partner-item {
  background: var(--color-bg);
  padding: 32px;
  border-radius: 0;
}
.partner-item h4 {
  font-size: 16px;
  margin: 0 0 12px;
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.partner-item p {
  font-size: 15px;
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.point-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .point-columns { grid-template-columns: 1fr 1fr; }
}
.point-col {
  background: var(--color-bg);
  border-radius: 0;
  padding: 32px;
}
.point-col h4 {
  color: var(--color-text);
  font-size: 14px;
  letter-spacing: 0.2em;
  margin: 0 0 20px;
  text-transform: uppercase;
  font-weight: 500;
}
.point-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.point-col li {
  padding-left: 22px;
  position: relative;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}
.point-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 12px;
  height: 1px;
  background: var(--color-accent);
}

/* ===== Business Cards ===== */
.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (min-width: 768px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
.card {
  background: var(--color-bg);
  border-radius: 0;
  padding: 0;
}
.card-media {
  aspect-ratio: 1 / 1;
  background: var(--color-bg-alt);
  overflow: hidden;
  margin-bottom: 24px;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.card:hover .card-media img { transform: scale(1.02); }
.card h3 {
  font-size: 20px;
  color: var(--color-text);
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.card p {
  font-size: 16px;
  color: var(--color-text-sub);
  margin: 0;
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.card small {
  display: inline-block;
  margin-top: 14px;
  color: var(--color-text-sub);
  font-size: 13px;
  letter-spacing: 0.05em;
}
.card-accent {
  grid-column: 1 / -1;
  background: var(--color-bg-dark);
  padding: 48px 40px;
}
.card-accent h3 { color: var(--color-text-inverse); }
.card-accent p { color: rgba(255, 255, 255, 0.8); }

.area-note {
  padding: 32px 0 0;
  text-align: center;
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
}
.area-note strong {
  color: var(--color-text);
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ===== Jobs ===== */
.jobs-cta {
  text-align: center;
  padding: 32px 0;
}
.jobs-cta .note {
  color: var(--color-text-sub);
  font-size: 13px;
  margin-top: 18px;
  letter-spacing: 0.05em;
}

/* ===== Voice ===== */
.voice-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 768px) {
  .voice-cards { grid-template-columns: repeat(3, 1fr); }
}
.voice-card {
  background: var(--color-bg);
  border-radius: 0;
  padding: 0;
}
.voice-media {
  aspect-ratio: 1 / 1;
  background: var(--color-bg-alt);
  overflow: hidden;
  margin-bottom: 24px;
}
.voice-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.voice-card:hover .voice-media img { transform: scale(1.02); }
.voice-meta {
  font-size: 14px;
  color: var(--color-text-sub);
  font-weight: 500;
  margin: 0 0 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.voice-quote {
  font-size: 15px;
  color: var(--color-text);
  margin: 0 0 20px;
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.voice-note {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0;
  padding-top: 16px;
  letter-spacing: 0.1em;
}

/* ===== Access (Map) ===== */
.access {
  margin: 48px 0 0;
}
@media (min-width: 768px) {
  .access { margin: 0; }
}
.access-title {
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 24px;
  font-weight: 500;
}
.access-address {
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.8;
  letter-spacing: 0.04em;
}
.access-address a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 1px;
}
.map-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  border-radius: 0;
  overflow: hidden;
  background: var(--color-bg-alt);
}
.map-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.access-info {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.access-info-label {
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-sub);
  margin: 0 0 8px;
  font-weight: 500;
}
.access-info p {
  margin: 0;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.access-info p a { color: var(--color-text); }

/* ===== Form ===== */
.contact-form {
  background: var(--color-bg);
  border-radius: 0;
  padding: 40px 32px;
}
.contact-form label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}
.contact-form .req {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 0;
  margin-left: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.contact-form input,
.contact-form select,
.contact-form textarea {
  display: block;
  width: 100%;
  padding: 14px 16px;
  margin-top: 10px;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: var(--color-bg);
  font-family: inherit;
  transition: border-color .2s;
  letter-spacing: 0;
  text-transform: none;
  font-weight: 400;
  color: var(--color-text);
}
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) {
  .form-row { grid-template-columns: 1fr 1fr; gap: 20px; }
}
.form-note {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 20px 0 0;
  text-align: center;
  letter-spacing: 0.06em;
  line-height: 1.8;
}
.form-success {
  background: #f1faf4;
  border: 1px solid #2f8f5a;
  color: #1f5d3b;
  padding: 28px 24px;
  border-radius: 8px;
  text-align: center;
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.04em;
}
.form-success strong { font-size: 17px; }

/* ===== Contact Grid (Form + Access) ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1.3fr 1fr; }
}

/* ===== Share ===== */
.share-section {
  padding: 96px 0;
  background: var(--color-bg);
}
@media (min-width: 768px) {
  .share-section { padding: 120px 0; }
}
.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-start;
  align-items: stretch;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 32px;
  border-radius: 0;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background .25s, color .25s, border-color .25s, transform .15s;
  cursor: pointer;
  font-family: inherit;
  min-width: 220px;
  justify-content: center;
}
.share-btn:hover { opacity: 1; transform: translateY(-1px); }
.share-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
/* LINEブランドカラー例外: #06C755 はLINE公式のブランド色のため、モノトーン基調の本プリセット内でも例外的に維持 */
.share-btn-line {
  background: #06C755;
  color: #ffffff;
  border-color: #06C755;
}
.share-btn-line:hover {
  background: #05a847;
  border-color: #05a847;
  color: #ffffff;
}
.share-btn-copy {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}
.share-btn-copy:hover {
  background: var(--color-text);
  color: var(--color-text-inverse);
}
.share-btn-copy.is-copied {
  background: var(--color-text);
  color: var(--color-text-inverse);
  border-color: var(--color-text);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  line-height: 1.8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 64px;
}
@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 64px;
    padding-bottom: 80px;
  }
}
.footer-logo {
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text-inverse);
  margin: 0 0 16px;
  letter-spacing: 0.12em;
}
.footer-heading {
  color: var(--color-text-inverse);
  font-weight: 500;
  margin: 0 0 20px;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}
.footer-list li {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
}
.footer-list a {
  color: rgba(255, 255, 255, 0.7);
}
.footer-list a:hover { color: var(--color-text-inverse); opacity: 1; }
.site-footer a { color: rgba(255, 255, 255, 0.85); }
.site-footer a:hover { color: var(--color-text-inverse); opacity: 1; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 28px 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  letter-spacing: 0.15em;
}

/* ===== Responsive (mobile nav) ===== */
@media (max-width: 767px) {
  .logo-sub { display: none; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    gap: 0;
    align-items: stretch;
    padding: 16px 0;
    border-top: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
    font-size: 14px;
  }
  .nav.is-open { transform: translateX(0); }
  .nav a {
    display: block;
    padding: 18px 24px;
    border-bottom: 1px solid var(--color-border);
    letter-spacing: 0.06em;
  }
  .nav-cta {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 18px;
    margin-top: 8px;
    color: var(--color-text) !important;
    font-weight: 700;
  }
  .card-accent { padding: 40px 28px; }
  .timeline-step { padding-left: 56px; margin-bottom: 48px; }
  .timeline-marker { width: 32px; height: 32px; font-size: 12px; }
  .timeline-title { font-size: 20px; }
  .contact-form { padding: 32px 24px; }
  .share-buttons { flex-direction: column; align-items: stretch; gap: 12px; }
  .share-btn { min-width: 0; width: 100%; }
}