/* ============================================
   CSS Variables & Reset
   ============================================ */
:root {
  --navy-deep: #0c1a36;
  --navy: #0f1f3d;
  --navy-light: #1a3366;
  --teal: #0d7377;
  --teal-bright: #14b8bd;
  --white: #ffffff;
  --gray-50: #f7f9fc;
  --gray-100: #e8ecf2;
  --gray-500: #7a8ba3;
  --gray-700: #3a4a5e;
  --ease-elegant: cubic-bezier(0.33, 1, 0.68, 1);
  --font-sans: 'Noto Sans JP', 'Inter', sans-serif;
  --font-inter: 'Inter', sans-serif;
  --font-serif: 'Playfair Display', serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--gray-700);
  line-height: 1.8;
  overflow-x: hidden;
  background: var(--white);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ============================================
   @keyframes
   ============================================ */
@keyframes curtainUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(-100%); }
}

@keyframes kenBurns {
  0% { transform: scale(1); }
  100% { transform: scale(1.1); }
}

@keyframes fadeSlideUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes blurReveal {
  0% { filter: blur(10px); transform: scale(1.05); opacity: 0; }
  100% { filter: blur(0); transform: scale(1); opacity: 1; }
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes charReveal {
  0% { transform: translateY(100%); }
  100% { transform: translateY(0); }
}

/* ============================================
   Loading Screen (Curtain)
   ============================================ */
.loading-screen {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--navy-deep);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: curtainUp 1.5s var(--ease-elegant) 1.2s forwards;
}

.loading-screen .loading-text {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 12px;
  opacity: 0;
  animation: fadeSlideUp 0.6s var(--ease-elegant) 0.3s forwards;
}

/* ============================================
   Side Branding
   ============================================ */
.side-branding {
  position: fixed;
  left: 24px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  font-family: var(--font-inter);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--navy-deep);
  opacity: 0.1;
  z-index: 100;
  pointer-events: none;
  white-space: nowrap;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 48px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s var(--ease-elegant);
}

.header--transparent {
  background: transparent;
}

.header--solid {
  background: var(--white);
  box-shadow: 0 1px 0 rgba(12,26,54,0.08);
}

.header-logo {
  font-family: var(--font-inter);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 3px;
  transition: color 0.4s var(--ease-elegant);
}

.header--transparent .header-logo { color: var(--white); }
.header--solid .header-logo { color: var(--navy-deep); }

.header-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.header-nav a {
  font-family: var(--font-inter);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  transition: color 0.4s var(--ease-elegant), opacity 0.3s;
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0;
  height: 1px;
  transition: width 0.4s var(--ease-elegant);
}

.header-nav a:hover::after { width: 100%; }

.header--transparent .header-nav a { color: rgba(255,255,255,0.85); }
.header--transparent .header-nav a:hover { color: var(--white); }
.header--transparent .header-nav a::after { background: var(--white); }

.header--solid .header-nav a { color: var(--gray-700); }
.header--solid .header-nav a:hover { color: var(--navy-deep); }
.header--solid .header-nav a::after { background: var(--navy-deep); }

/* ============================================
   Mobile Hamburger Menu
   ============================================ */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  z-index: 1100;
}

.nav-toggle span {
  display: block;
  position: absolute;
  left: 8px;
  width: 24px;
  height: 1px;
  background: var(--white);
  transition: all 0.4s var(--ease-elegant);
}

.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }

.header--solid .nav-toggle span { background: var(--navy-deep); }

.nav-toggle.is-open span { background: var(--white); }
.nav-toggle.is-open span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

.nav-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100vh;
  background: var(--navy-deep);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-elegant), visibility 0.5s;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.nav-overlay-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  text-align: center;
}

.nav-overlay-list a {
  font-family: var(--font-inter);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 4px;
  color: var(--white);
  text-transform: uppercase;
  transition: color 0.3s var(--ease-elegant);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-elegant), transform 0.6s var(--ease-elegant), color 0.3s;
}

.nav-overlay.is-open .nav-overlay-list a {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay.is-open .nav-overlay-list a:nth-child(1) { transition-delay: 0.15s; }
.nav-overlay.is-open .nav-overlay-list a:nth-child(2) { transition-delay: 0.22s; }
.nav-overlay.is-open .nav-overlay-list a:nth-child(3) { transition-delay: 0.29s; }
.nav-overlay.is-open .nav-overlay-list a:nth-child(4) { transition-delay: 0.36s; }
.nav-overlay.is-open .nav-overlay-list a:nth-child(5) { transition-delay: 0.43s; }

.nav-overlay-list a:hover { color: var(--teal-bright); }

body.nav-open { overflow: hidden; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: var(--navy-deep);
}

.hero-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.hero-slide.active { opacity: 1; }

.hero-slide-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  will-change: transform;
}

.hero-slide.active .hero-slide-img {
  animation: kenBurns 5s ease-out forwards;
}

.hero-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(12,26,54,0.55);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 2px;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-title .char-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.hero-title .char-mask span {
  display: inline-block;
  transform: translateY(100%);
  animation: charReveal 0.8s var(--ease-elegant) forwards;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 300;
  color: rgba(255,255,255,0.8);
  letter-spacing: 4px;
  opacity: 0;
  animation: fadeSlideUp 1s var(--ease-elegant) 1.8s forwards;
}

.hero-counter {
  position: absolute;
  bottom: 48px;
  left: 48px;
  z-index: 3;
  font-family: var(--font-serif);
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
}

.hero-counter .current {
  font-size: 24px;
  color: var(--white);
}

.scroll-indicator {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-indicator span {
  font-family: var(--font-inter);
  font-size: 10px;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
}

.scroll-indicator .line {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

.scroll-indicator .line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--white);
  animation: scrollLine 2s ease infinite;
}

/* ============================================
   Section Common Styles
   ============================================ */
.section {
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
}

.section-watermark {
  font-family: var(--font-serif);
  font-size: 120px;
  font-weight: 400;
  color: var(--gray-100);
  position: absolute;
  top: 80px;
  left: 48px;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.section-watermark--navy {
  color: rgba(255,255,255,0.03);
}

.section-heading {
  position: relative;
  z-index: 1;
  margin-bottom: 64px;
}

.section-heading h2 {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: 2px;
}

.section-heading .teal-line {
  width: 40px;
  height: 1px;
  background: var(--teal);
  margin-top: 20px;
}

.section-heading--center {
  text-align: center;
}

.section-heading--center .teal-line {
  margin-left: auto;
  margin-right: auto;
}

.section-heading--white h2 {
  color: var(--white);
}

/* Scroll animation base states */
.anim-fade {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-elegant), transform 0.8s var(--ease-elegant);
}

.anim-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

.anim-blur {
  opacity: 0;
  filter: blur(10px);
  transform: scale(1.05);
  transition: opacity 1s var(--ease-elegant), filter 1s var(--ease-elegant), transform 1s var(--ease-elegant);
}

.anim-blur.visible {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* ============================================
   About Section
   ============================================ */
.about { background: var(--white); }

.about-text {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.about-text p {
  font-size: 15px;
  font-weight: 300;
  line-height: 2.2;
  color: var(--gray-700);
  letter-spacing: 0.5px;
}

.about-text p + p {
  margin-top: 24px;
}

/* ============================================
   Services Section
   ============================================ */
.services { background: var(--gray-50); }

.services-list {
  position: relative;
  z-index: 1;
}

.service-row {
  display: flex;
  align-items: baseline;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: transform 0.4s var(--ease-elegant), border-color 0.4s;
  cursor: default;
}

.service-row:first-child {
  border-top: 1px solid var(--gray-100);
}

.service-row:hover {
  transform: translateX(16px);
}

.service-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--gray-100);
  transition: color 0.4s var(--ease-elegant);
  min-width: 60px;
  line-height: 1;
}

.service-row:hover .service-num {
  color: var(--teal);
}

.service-title {
  font-size: 18px;
  font-weight: 500;
  color: var(--navy-deep);
  min-width: 200px;
  letter-spacing: 1px;
}

.service-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-500);
  line-height: 1.8;
  flex: 1;
}

/* ============================================
   Company Section
   ============================================ */
.company {
  background: var(--navy-deep);
  color: var(--white);
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  position: relative;
  z-index: 1;
}

.company-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.company-table th,
.company-table td {
  padding: 20px 0;
  font-size: 14px;
  font-weight: 300;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  color: rgba(255,255,255,0.5);
  width: 160px;
  letter-spacing: 1px;
  font-weight: 400;
}

.company-table td {
  color: var(--white);
  letter-spacing: 0.5px;
}

/* ============================================
   News Section
   ============================================ */
.news { background: var(--white); }

.news-list {
  position: relative;
  z-index: 1;
}

.news-item {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.3s var(--ease-elegant);
}

.news-item:first-child {
  border-top: 1px solid var(--gray-100);
}

.news-date {
  font-family: var(--font-inter);
  font-size: 13px;
  color: var(--gray-500);
  min-width: 120px;
  letter-spacing: 1px;
}

.news-tag {
  font-size: 11px;
  font-weight: 500;
  color: var(--teal);
  border: 1px solid var(--teal);
  padding: 2px 12px;
  border-radius: 2px;
  min-width: 80px;
  text-align: center;
  letter-spacing: 1px;
}

.news-title-text {
  font-size: 14px;
  font-weight: 400;
  color: var(--gray-700);
  transition: color 0.3s var(--ease-elegant);
  flex: 1;
}

.news-item:hover .news-title-text {
  color: var(--teal);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url('/assets/images/contact-bg-original.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.contact-bg-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.92);
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 0 48px;
}

.contact-inner h2 {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 500;
  color: var(--navy-deep);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.contact-inner p {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-500);
  margin-bottom: 48px;
  line-height: 2;
}

.btn-outline {
  display: inline-block;
  font-family: var(--font-inter);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--navy-deep);
  border: 1px solid var(--navy-deep);
  padding: 18px 64px;
  position: relative;
  overflow: hidden;
  transition: color 0.5s var(--ease-elegant);
  background: transparent;
  cursor: pointer;
  font-family: var(--font-inter);
}

.btn-outline::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--navy-deep);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-elegant);
  z-index: -1;
}

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

.btn-outline:hover::before {
  transform: scaleX(1);
}

.btn-outline:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-outline:disabled:hover { color: var(--navy-deep); }
.btn-outline:disabled:hover::before { transform: scaleX(0); }

/* ============================================
   Contact Form
   ============================================ */
.contact-form {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
  background: var(--white);
  border: 1px solid var(--gray-100);
  padding: 56px 56px 48px;
  box-shadow: 0 12px 40px rgba(15, 31, 61, 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
  margin-bottom: 24px;
}

.form-field--inline {
  margin-bottom: 0;
}

.form-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-700);
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.form-label .required {
  color: var(--teal);
  font-size: 10px;
  margin-left: 6px;
  letter-spacing: 1px;
}

.form-input,
.form-select,
.form-textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--navy-deep);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding: 14px 16px;
  letter-spacing: 0.5px;
  outline: none;
  transition: border-color 0.3s var(--ease-elegant), background 0.3s var(--ease-elegant), box-shadow 0.3s var(--ease-elegant);
  width: 100%;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--gray-500);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(13, 115, 119, 0.12);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
  font-weight: 300;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%237a8ba3' stroke-width='1.5' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.7;
  font-family: var(--font-sans);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 32px 0 40px;
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-700);
  letter-spacing: 0.3px;
  text-align: left;
  line-height: 1.7;
}

.form-consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--gray-500);
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
  transition: all 0.3s var(--ease-elegant);
  border-radius: 0;
}

.form-consent input[type="checkbox"]:checked {
  background: var(--teal);
  border-color: var(--teal);
}

.form-consent input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 4px;
  height: 8px;
  border: solid var(--white);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.form-consent a {
  color: var(--teal);
  border-bottom: 1px solid var(--teal);
  padding-bottom: 1px;
  transition: opacity 0.3s;
}

.form-consent a:hover { opacity: 0.7; }

.form-submit-wrap {
  text-align: center;
}

.form-status {
  margin-top: 24px;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  min-height: 20px;
  text-align: center;
}

.form-status.success { color: var(--teal); }
.form-status.error { color: #c0392b; }

.contact-fallback {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-100);
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 1px;
  text-align: center;
}

.contact-fallback a {
  color: var(--navy-deep);
  border-bottom: 1px solid var(--gray-500);
  padding-bottom: 1px;
  margin-left: 8px;
  font-family: var(--font-inter);
}

.contact-fallback a:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--navy-deep);
  padding: 48px 0;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-inter);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-nav {
  margin-bottom: 20px;
}

.footer-nav a {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
  transition: color 0.3s var(--ease-elegant);
}

.footer-nav a:hover { color: var(--teal-bright); }

.footer p {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 1px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .side-branding { display: none; }
  .header-nav { display: none; }
  .header { padding: 0 24px; height: 64px; }
  .nav-toggle { display: block; }

  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 14px; letter-spacing: 2px; }
  .hero-counter { left: 24px; bottom: 32px; }
  .scroll-indicator { bottom: 32px; }

  .section { padding: 80px 0; }
  .section-inner { padding: 0 24px; }
  .section-watermark { font-size: 60px; left: 24px; top: 56px; }

  .section-heading h2 { font-size: 22px; }

  .service-row {
    flex-direction: column;
    gap: 8px;
    padding: 24px 0;
  }
  .service-row:hover { transform: none; }
  .service-title { min-width: unset; }
  .service-desc { font-size: 13px; }

  .company-table th {
    display: block;
    width: 100%;
    padding-bottom: 4px;
  }
  .company-table td {
    display: block;
    padding-top: 0;
    padding-bottom: 20px;
  }

  .news-item {
    flex-wrap: wrap;
    gap: 8px 16px;
  }
  .news-date { min-width: unset; }

  .contact-inner { padding: 0 24px; }
  .contact-bg { background-attachment: scroll; }

  .btn-outline { padding: 16px 48px; font-size: 13px; }

  .contact-form { padding: 32px 24px 24px; }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
    margin-bottom: 0;
  }
  .form-field { margin-bottom: 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .section-watermark { font-size: 44px; }
}

/* ============================================
   下層ページ用コンポーネント（2026-08-07 追加）
   ============================================ */

/* ---- Page Hero（下層ページの見出し帯）---- */
.page-hero {
  position: relative;
  background: var(--navy-deep);
  padding: 200px 0 90px;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: 0; right: -10%;
  width: 60%; height: 100%;
  background: linear-gradient(135deg, rgba(13,115,119,0.18) 0%, rgba(12,26,54,0) 70%);
  transform: skewX(-12deg);
  pointer-events: none;
}
.page-hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 2;
}
.page-hero-en {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 400;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 1px;
}
.page-hero-jp {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  color: rgba(255,255,255,0.6);
  letter-spacing: 4px;
  margin-top: 16px;
}
.page-hero .teal-line { margin-top: 28px; }

/* ---- Breadcrumb ---- */
.breadcrumb {
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}
.breadcrumb-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 48px;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 0.5px;
  overflow-x: auto;
  white-space: nowrap;
}
.breadcrumb-inner a {
  color: var(--gray-500);
  text-decoration: none;
  transition: color 0.3s var(--ease-elegant);
}
.breadcrumb-inner a:hover { color: var(--teal); }
.breadcrumb-sep { margin: 0 10px; color: var(--gray-100); }
.breadcrumb-current { color: var(--navy-deep); }

/* ---- 本文（記事タイポグラフィ）---- */
.rich-text { max-width: 780px; }
.rich-text p {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  line-height: 2.1;
  color: var(--gray-700);
  margin-bottom: 28px;
}
.rich-text p:last-child { margin-bottom: 0; }
.rich-text h3 {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: 1px;
  margin: 56px 0 20px;
  padding-left: 16px;
  border-left: 2px solid var(--teal);
}
.rich-text h3:first-child { margin-top: 0; }
.rich-text ul {
  list-style: none;
  margin-bottom: 28px;
}
.rich-text ul li {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: var(--gray-700);
  padding-left: 22px;
  position: relative;
}
.rich-text ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 14px;
  width: 8px; height: 1px;
  background: var(--teal);
}
.lead-text {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 300;
  line-height: 2;
  color: var(--navy-deep);
  letter-spacing: 0.5px;
  margin-bottom: 40px;
}

/* ---- カードグリッド（事業一覧など）---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 56px;
}
.card {
  display: block;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding: 40px 32px;
  text-decoration: none;
  transition: all 0.4s var(--ease-elegant);
}
.card:hover {
  border-color: var(--teal-bright);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(13,115,119,0.08);
}
.card-num {
  font-family: var(--font-inter);
  font-size: 11px;
  font-weight: 600;
  color: var(--teal);
  letter-spacing: 3px;
}
.card-title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  color: var(--navy-deep);
  letter-spacing: 1px;
  margin: 16px 0 14px;
}
.card-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  line-height: 2;
  color: var(--gray-500);
}
.card-more {
  display: inline-block;
  font-family: var(--font-inter);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--teal);
  margin-top: 22px;
}

/* ---- 明るい背景用の情報テーブル ---- */
.info-table {
  width: 100%;
  max-width: 780px;
  border-collapse: collapse;
}
.info-table th,
.info-table td {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  text-align: left;
  padding: 22px 16px;
  border-bottom: 1px solid var(--gray-100);
  line-height: 1.9;
  vertical-align: top;
}
.info-table th {
  width: 160px;
  color: var(--navy-deep);
  font-weight: 400;
  letter-spacing: 1px;
  white-space: nowrap;
}
.info-table td { color: var(--gray-700); }
.info-table td a { color: var(--teal); text-decoration: none; }
.info-table td a:hover { color: var(--teal-bright); }

/* ---- 代表挨拶 ---- */
.message-sign {
  margin-top: 40px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  color: var(--navy-deep);
  letter-spacing: 1px;
  text-align: right;
}
.message-sign strong {
  font-weight: 500;
  font-size: 16px;
  margin-left: 12px;
}

/* ---- ページ下部CTA ---- */
.page-cta {
  background: var(--navy-deep);
  padding: 100px 0;
  text-align: center;
}
.page-cta h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 1px;
}
.page-cta p {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.6);
  margin: 24px 0 40px;
}
.page-cta .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.page-cta .btn-outline:hover { color: var(--navy-deep); }
.page-cta .btn-outline::before { background: var(--white); }

/* ---- ページ間ナビ（事業詳細の相互リンク）---- */
.page-nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--gray-100);
}
.page-nav-links a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-500);
  text-decoration: none;
  border: 1px solid var(--gray-100);
  border-radius: 4px;
  padding: 10px 20px;
  transition: all 0.3s var(--ease-elegant);
}
.page-nav-links a:hover {
  color: var(--navy-deep);
  border-color: var(--teal-bright);
}

/* ---- フッター サイトマップ ---- */
.footer-sitemap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 32px;
  max-width: 900px;
  margin: 0 auto 32px;
  padding: 0 24px;
}
.footer-sitemap a {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 300;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  letter-spacing: 1px;
  transition: color 0.3s var(--ease-elegant);
}
.footer-sitemap a:hover { color: var(--teal-bright); }

/* ---- 下層ページのヘッダーは常時ソリッド ---- */
.header--page {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--gray-100);
}

/* ---- 下層ページ レスポンシブ ---- */
@media (max-width: 768px) {
  .page-hero { padding: 150px 0 64px; }
  .page-hero-inner,
  .breadcrumb-inner { padding-left: 24px; padding-right: 24px; }
  .page-hero-en { font-size: 36px; }
  .page-hero-jp { font-size: 12px; letter-spacing: 3px; }
  .card-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 40px; }
  .card { padding: 32px 24px; }
  .info-table th { width: 110px; padding: 18px 10px; font-size: 13px; }
  .info-table td { padding: 18px 10px; font-size: 13px; }
  .rich-text h3 { margin: 40px 0 16px; }
  .page-cta { padding: 72px 0; }
  .page-cta h2 { font-size: 26px; }
}

/* ---- トップページ内から下層ページへのリンク群 ---- */
.page-nav-links--center { justify-content: center; }
.page-nav-links--plain {
  border-top: none;
  padding-top: 0;
  margin-top: 48px;
}
.page-nav-links--dark a {
  color: rgba(255,255,255,0.6);
  border-color: rgba(255,255,255,0.15);
}
.page-nav-links--dark a:hover {
  color: var(--white);
  border-color: var(--teal-bright);
}