@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  color: #4a5c6a;
  line-height: 1.8;
  background: #ffffff;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  z-index: 1000;
  transition: background 0.4s ease;
}
header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}
header .header-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media (max-width: 768px) {
  header .header-inner {
    padding: 1rem 1.5rem;
  }
}
header .logo {
  height: 55px;
}
@media (max-width: 768px) {
  header .logo {
    height: 45px;
  }
}
header nav {
  display: flex;
  gap: 3rem;
}
@media (max-width: 768px) {
  header nav {
    display: none;
  }
}
header nav a {
  text-decoration: none;
  color: #2c3e50;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
header nav a:hover {
  color: #5a8a9a;
}

.hero {
  height: 100vh;
  max-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 2rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #e0f2f7 0%, #d4eef5 20%, #e8f6fa 50%, #f0f8fa 80%, #f5fafb 100%);
  background-image: url(hero2.jpg?20250128);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
@media (max-width: 768px) {
  .hero {
    padding: 0 1.5rem;
  }
}
.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
}
.hero-logo {
  width: 320px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out;
}
@media (max-width: 768px) {
  .hero-logo {
    width: 220px;
    margin-bottom: 2rem;
  }
}
.hero h1 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
  color: #2c3e50;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
  animation: fadeInUp 1s ease-out 0.2s both;
}
.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: #7a8c9a;
  max-width: 600px;
  margin: 0 auto 0.75rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  animation: fadeInUp 1s ease-out 0.4s both;
}
.hero-tagline-en {
  font-size: clamp(0.85rem, 1.8vw, 1rem);
  color: #7a8c9a;
  max-width: 600px;
  margin: 0 auto 3rem;
  font-weight: 400;
  animation: fadeInUp 1s ease-out 0.5s both;
}
.hero-cta {
  animation: fadeInUp 1s ease-out 0.7s both;
}
.hero-cta a {
  display: inline-block;
  padding: 1rem 2.5rem;
  border: 2px solid #2c4a5e;
  color: #2c4a5e;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: 30px;
  transition: all 0.3s ease;
}
.hero-cta a:hover {
  background: #2c4a5e;
  color: white;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
section {
  padding: 7rem 2rem;
}
@media (max-width: 768px) {
  section {
    padding: 4rem 1.25rem;
  }
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: #5a8a9a;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

.section-title-main {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: #2c3e50;
  letter-spacing: 0.02em;
}

.section-divider {
  width: 60px;
  height: 3px;
  background: #5a8a9a;
  margin: 1.5rem auto 0;
}

.company {
  background: #ffffff;
}
.company-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) {
  .company-grid {
    grid-template-columns: 1fr;
  }
}
.company-item {
  padding: 2rem;
  background: #f4f7f9;
  border-radius: 4px;
  border: 1px solid #d0dce3;
  transition: all 0.3s ease;
}
.company-item:hover {
  box-shadow: 0 8px 30px rgba(44, 74, 94, 0.08);
}
.company-item-full {
  grid-column: 1/-1;
}
.company-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: #5a8a9a;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.company-label::before {
  content: "";
  width: 20px;
  height: 2px;
  background: #5a8a9a;
}
.company-value {
  font-size: 1.1rem;
  color: #2c3e50;
  font-weight: 500;
  margin-bottom: 0.25rem;
}
.company-value-en {
  font-size: 0.95rem;
  color: #7a8c9a;
  font-weight: 400;
}
.company-description {
  grid-column: 1/-1;
  padding: 3rem;
  background: linear-gradient(135deg, #f4f7f9 0%, #e8f4f8 100%);
  border-radius: 4px;
  border: 1px solid #d0dce3;
  border-left: 4px solid #5a8a9a;
  margin-top: 1rem;
}
.company-description p {
  margin-bottom: 1.5rem;
  line-height: 2;
  font-size: 1.05rem;
}
.company-description p:last-child {
  margin-bottom: 0;
  color: #7a8c9a;
  font-size: 0.95rem;
}

.services {
  background: linear-gradient(180deg, #f4f7f9 0%, #e8f1f5 100%);
  position: relative;
}
.services::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #d0dce3, transparent);
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.service-card {
  background: #ffffff;
  border-radius: 4px;
  padding: 3rem;
  border: 1px solid #d0dce3;
  box-shadow: 0 4px 20px rgba(44, 74, 94, 0.04);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, #8eb8c7, #5a8a9a);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card:hover {
  box-shadow: 0 12px 40px rgba(44, 74, 94, 0.1);
}
.service-card:hover::before {
  opacity: 1;
}
@media (max-width: 768px) {
  .service-card {
    padding: 2rem;
  }
}
.service-header {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .service-header {
    flex-direction: column;
    gap: 1.25rem;
  }
}
.service-number {
  width: 60px;
  height: 60px;
  border: 2px solid #5a8a9a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5a8a9a;
  font-weight: 600;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.service-titles {
  flex: 1;
}
.service-title-ja {
  font-size: 1.5rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 0.25rem;
}
.service-title-en {
  font-size: 0.95rem;
  color: #5a8a9a;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.service-description {
  margin-bottom: 0.75rem;
  color: #4a5c6a;
  line-height: 1.9;
  font-size: 1.05rem;
}
.service-description-en {
  color: #7a8c9a;
  font-size: 0.95rem;
}
.service-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (max-width: 768px) {
  .service-features {
    grid-template-columns: 1fr;
  }
}

.batchline-detail {
  margin-top: 2.5rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, #f8fbfc 0%, #eef5f8 100%);
  border-radius: 4px;
  border: 1px solid #d0dce3;
  position: relative;
}
@media (max-width: 768px) {
  .batchline-detail {
    padding: 1.75rem;
  }
}
.batchline-badge {
  display: inline-block;
  background: #2c4a5e;
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 2px;
  margin-bottom: 1.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.batchline-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 1.25rem;
}
.batchline-desc {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.9;
}
.batchline-desc-en {
  color: #7a8c9a;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.batchline-summary {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid #d0dce3;
  font-size: 1rem;
  line-height: 1.9;
}
.batchline-summary-en {
  color: #7a8c9a;
  font-size: 0.9rem;
  margin-top: 1rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 4px;
  border: 1px solid rgba(208, 220, 227, 0.5);
  transition: all 0.3s ease;
}
.feature-item:hover {
  background: white;
  box-shadow: 0 4px 15px rgba(44, 74, 94, 0.06);
}
.feature-icon {
  width: 24px;
  height: 24px;
  border: 2px solid #5a8a9a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.feature-icon::after {
  content: "✓";
  color: #5a8a9a;
  font-size: 0.7rem;
  font-weight: 700;
}
.feature-text {
  font-size: 0.95rem;
  color: #2c3e50;
  font-weight: 500;
}
.feature-text-en {
  font-size: 0.8rem;
  color: #7a8c9a;
  display: block;
  margin-top: 0.25rem;
  font-weight: 400;
}

.contact {
  background: linear-gradient(180deg, #2c4a5e 0%, #1e3a4a 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%), radial-gradient(ellipse at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
}
.contact .container {
  position: relative;
  z-index: 1;
}
.contact .section-title {
  color: rgba(255, 255, 255, 0.6);
}
.contact .section-title-main {
  color: white;
}
.contact .section-divider {
  background: rgba(255, 255, 255, 0.3);
}
.contact-text {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  opacity: 0.95;
  font-weight: 400;
}
.contact-text-en {
  font-size: 1rem;
  margin-bottom: 2.5rem;
  opacity: 0.7;
}
.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: transparent;
  padding: 1.25rem 3rem;
  border-radius: 50px;
  text-decoration: none;
  color: white;
  font-size: 1.2rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  border: 2px solid rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}
.contact-email:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 768px) {
  .contact-email {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}

.email-icon {
  font-size: 1.3rem;
  opacity: 0.8;
}

footer {
  background: #1a2e3a;
  color: rgba(255, 255, 255, 0.6);
  padding: 3.5rem 2rem;
}
footer .footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.5rem;
}
footer .footer-logo {
  height: 45px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}
footer .footer-address {
  font-size: 0.9rem;
  line-height: 2;
  font-weight: 400;
}
footer .footer-copyright {
  font-size: 0.75rem;
  opacity: 0.5;
  margin-top: 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.batchline-box h4 {
  display: inline-flex;
}
.batchline-box a {
  margin-left: 1em;
  display: inline-flex;
}
@media (max-width: 768px) {
  .batchline-box a {
    margin-left: 0;
  }
  .batchline-box a:last-child {
    margin-bottom: 1em;
  }
}