/* Reset & Base */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: #2c2c2c;
  background: #d6dce5;
  line-height: 1.8;
}
.container { max-width: 980px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(214, 220, 229, 0.95);
  backdrop-filter: blur(8px);
}
.header-inner {
  max-width: 980px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
}
.logo {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem; font-weight: 400;
  letter-spacing: 0.15em; color: #2c2c2c;
  text-decoration: none;
}
.menu-btn {
  background: none; border: 1px solid #999;
  padding: 8px 20px; cursor: pointer;
  font-size: 0.8rem; letter-spacing: 0.1em;
  color: #555; border-radius: 0;
  font-family: 'Noto Sans JP', sans-serif;
  transition: all 0.3s;
}
.menu-btn:hover { border-color: #333; color: #333; }

/* Mobile Menu */
.mobile-menu {
  position: fixed; top: 0; right: -300px;
  width: 280px; height: 100vh;
  background: #fff;
  z-index: 200;
  padding: 60px 40px;
  transition: right 0.3s;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}
.mobile-menu.active { right: 0; }
.close-btn {
  position: absolute; top: 20px; right: 20px;
  background: none; border: none;
  font-size: 0.85rem; cursor: pointer;
  color: #555; font-family: 'Noto Sans JP', sans-serif;
}
.mobile-menu ul { list-style: none; margin-top: 40px; }
.mobile-menu li { margin-bottom: 24px; }
.mobile-menu a {
  text-decoration: none; color: #333;
  font-size: 1rem; font-weight: 400;
  letter-spacing: 0.1em; transition: color 0.3s;
}
.mobile-menu a:hover { color: #888; }

/* Hero */
.hero {
  position: relative;
  width: 100%; max-width: 980px;
  margin: 0 auto;
  height: 560px;
  overflow: hidden;
}
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.15) 100%);
}
.hero-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 0 60px;
  z-index: 1;
}
.hero-content h1 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 500;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}
.hero-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em;
}

/* About */
.about {
  max-width: 980px; margin: 0 auto;
  background: #fff;
  padding: 60px 48px;
}
.about-header { margin-bottom: 32px; }
.about-header h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem; font-weight: 500;
  color: #333; letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 2px solid #2c2c2c;
  display: inline-block;
}

/* Company Table */
.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
  font-size: 0.9rem;
}
.company-table tr {
  border-bottom: 1px solid #e8e8e8;
}
.company-table th {
  text-align: left;
  padding: 14px 16px;
  width: 140px;
  font-weight: 400;
  color: #555;
  background: #f8f9fb;
  vertical-align: top;
}
.company-table td {
  padding: 14px 16px;
  color: #333;
}
.company-table a {
  color: #4a6fa5;
  text-decoration: none;
}
.company-table a:hover { text-decoration: underline; }

/* About Description */
.about-description {
  margin-bottom: 40px;
}
.about-description p {
  font-size: 0.9rem;
  color: #444;
  margin-bottom: 16px;
  line-height: 2;
}

/* About Image */
.about-image {
  margin-bottom: 0;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.about-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* Services */
.services {
  max-width: 980px; margin: 0 auto;
  background: #f8f9fb;
  padding: 60px 48px;
}
.services h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem; font-weight: 500;
  color: #333; letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 2px solid #2c2c2c;
  display: inline-block;
  margin-bottom: 36px;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  padding: 32px 28px;
  border: 1px solid #e8e8e8;
}
.service-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.service-card h3 {
  font-size: 1rem; font-weight: 500;
  margin-bottom: 12px; color: #333;
}
.service-card p {
  font-size: 0.85rem; color: #666;
  line-height: 1.8;
}

/* Global */
.global {
  max-width: 980px; margin: 0 auto;
  background: #fff;
  padding: 60px 48px;
}
.global h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem; font-weight: 500;
  color: #333; letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 2px solid #2c2c2c;
  display: inline-block;
  margin-bottom: 8px;
}
.section-sub {
  color: #777; font-size: 0.85rem;
  margin-bottom: 32px;
}
.global-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.global-card {
  padding: 24px 20px;
  background: #f8f9fb;
  border: 1px solid #e8e8e8;
}
.global-card h3 {
  font-size: 0.95rem; font-weight: 500;
  margin-bottom: 8px;
}
.global-card p {
  font-size: 0.8rem; color: #666;
  line-height: 1.6;
}
.global-card a {
  color: #4a6fa5; text-decoration: none;
  font-weight: 400;
}
.global-card a:hover { text-decoration: underline; }

/* Contact */
.contact {
  max-width: 980px; margin: 0 auto;
  background: #f8f9fb;
  padding: 60px 48px;
}
.contact h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.3rem; font-weight: 500;
  color: #333; letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 2px solid #2c2c2c;
  display: inline-block;
  margin-bottom: 32px;
}
.contact-details .company-name {
  font-size: 1rem; font-weight: 500;
  margin-bottom: 12px; color: #333;
}
.contact-details p {
  font-size: 0.85rem; color: #555;
  margin-bottom: 6px; line-height: 1.8;
}
.contact-details a {
  color: #4a6fa5; text-decoration: none;
}
.contact-details a:hover { text-decoration: underline; }

/* Footer */
.footer {
  max-width: 980px; margin: 0 auto;
  padding: 24px 48px;
  background: #2c2c2c;
}
.footer p {
  font-size: 0.7rem; color: #999;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  .hero { height: 400px; }
  .hero-content { padding: 0 24px; }
  .hero-content h1 { font-size: 1.8rem; }
  .about, .services, .global, .contact { padding: 40px 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .global-grid { grid-template-columns: 1fr; }
  .company-table th { width: 100px; font-size: 0.8rem; }
  .company-table td { font-size: 0.85rem; }
}