/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  color: #2c3e50;
  background: #fff;
  line-height: 1.8;
  font-size: 16px;
}

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

/* ===== VARIABLES ===== */
:root {
  --blue: #1a7abf;
  --blue-dark: #155f96;
  --cyan: #5bbdd6;
  --cyan-light: #e8f6fb;
  --cyan-mid: #b8e4f0;
  --gray-light: #f5f9fc;
  --text: #2c3e50;
  --white: #ffffff;
}

/* ===== HEADER ===== */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid #d8edf5;
  height: 68px;
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 44px;
  width: auto;
}

nav { display: flex; align-items: center; gap: 36px; }

nav a {
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-dark);
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 2px;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--cyan);
  transition: width 0.25s ease;
}

nav a:hover::after, nav a.active::after { width: 100%; }

.nav-contact {
  background: var(--blue);
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.nav-contact::after { display: none !important; }
.nav-contact:hover { background: var(--blue-dark); }

/* ===== HERO ===== */
.hero {
  margin-top: 68px;
  position: relative;
  height: 600px;
  overflow: hidden;
  background: linear-gradient(120deg, #daf0f8 0%, #eef8fc 50%, #f8fcff 100%);
  display: flex;
  align-items: center;
}

.hero-img {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  width: 54%;
  height: 110%;
  object-fit: contain;
  object-position: center;
  opacity: 0.92;
}

.hero-content {
  position: relative;
  z-index: 2;
  left: 0;
  padding-left: 10%;
  max-width: 560px;
  color: var(--text);
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 4px 16px;
  margin-bottom: 24px;
  text-transform: uppercase;
  background: rgba(255,255,255,0.7);
}

.hero-title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: #0d3a5e;
  margin-bottom: 20px;
  text-shadow: 0 1px 0 rgba(255,255,255,0.8);
}

.hero-subtitle {
  font-size: 15px;
  color: #335;
  letter-spacing: 0.05em;
  line-height: 1.9;
}

/* ===== SECTION BASE ===== */
section { padding: 96px 0; }

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-label {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--cyan);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--blue-dark);
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 15px;
  color: #556;
  line-height: 1.9;
  max-width: 580px;
}

/* ===== STRENGTHS ===== */
.strengths { background: var(--gray-light); }

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.strength-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px 32px;
  border-top: 3px solid var(--cyan);
  box-shadow: 0 2px 16px rgba(91,189,214,0.1);
}

.strength-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  font-family: 'Georgia', serif;
}

.strength-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 12px;
}

.strength-text {
  font-size: 14px;
  color: #667;
  line-height: 1.85;
}

/* ===== PRODUCTS PREVIEW ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.product-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--gray-light);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid #daeef6;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(91,189,214,0.15);
}

.product-card img { width: 100%; height: 200px; object-fit: cover; }

.product-card-body { padding: 20px 24px; }

.product-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-dark);
}

.product-category-tag {
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--cyan);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.product-card-text {
  font-size: 13px;
  color: #778;
  margin-top: 8px;
  line-height: 1.7;
}

/* ===== COMPANY SNAPSHOT ===== */
.company-snap {
  background: linear-gradient(135deg, #1a6ba8 0%, #1a9abf 100%);
  color: var(--white);
}

.company-snap .section-title { color: var(--white); }
.company-snap .section-label { color: var(--cyan-mid); }
.company-snap .section-desc { color: rgba(255,255,255,0.82); }

.snap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-top: 56px;
}

.snap-img { border-radius: 12px; overflow: hidden; }

.snap-img img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  filter: brightness(0.92) saturate(0.75);
}

.snap-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}

.stat-item { border-left: 3px solid rgba(255,255,255,0.4); padding-left: 20px; }

.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  font-family: 'Georgia', serif;
}

.stat-unit { font-size: 14px; color: rgba(255,255,255,0.65); margin-left: 4px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== CTA ===== */
.cta-section { background: var(--cyan-light); padding: 72px 0; text-align: center; }

.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 16px;
}

.cta-text { font-size: 15px; color: #556; margin-bottom: 36px; }

.btn {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: all 0.2s ease;
}

.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); }

.btn-outline {
  border: 2px solid var(--blue);
  color: var(--blue);
  margin-left: 16px;
}

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

/* ===== FOOTER ===== */
footer {
  background: #0d3d5e;
  color: rgba(255,255,255,0.7);
  padding: 56px 0 32px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 48px;
}

.footer-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-address { font-size: 13px; line-height: 1.9; }

.footer-heading {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan-mid);
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  max-width: 1200px;
  margin: 40px auto 0;
  padding: 24px 40px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}

/* ===== PAGE HERO ===== */
.page-hero {
  margin-top: 68px;
  background: linear-gradient(135deg, #1a7abf 0%, #2aafd4 100%);
  padding: 72px 0;
  text-align: center;
  color: var(--white);
}

.page-hero-label {
  font-size: 11px;
  letter-spacing: 0.25em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 16px;
}

.page-hero-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* ===== BREADCRUMB ===== */
.breadcrumb { background: var(--gray-light); padding: 14px 0; }

.breadcrumb-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  font-size: 12px;
  color: #889;
}

.breadcrumb-inner a { color: var(--cyan); }
.breadcrumb-inner a:hover { text-decoration: underline; }

/* ===== COMPANY PAGE ===== */
.company-overview { background: var(--gray-light); }

.overview-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 48px;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(91,189,214,0.1);
}

.overview-table th, .overview-table td {
  padding: 18px 28px;
  text-align: left;
  border-bottom: 1px solid #e0eff6;
  font-size: 14px;
}

.overview-table th {
  background: var(--cyan-light);
  color: var(--blue-dark);
  font-weight: 700;
  width: 200px;
}

.overview-table td { color: #2c3e50; }

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.philosophy-card {
  padding: 36px 28px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid #d8edf5;
  text-align: center;
  box-shadow: 0 2px 16px rgba(91,189,214,0.08);
}

.philosophy-icon { font-size: 32px; margin-bottom: 16px; }

.philosophy-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 12px;
}

.philosophy-text { font-size: 13px; color: #667; line-height: 1.85; }

/* ===== PRODUCTS PAGE ===== */
.products-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.product-full-card {
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #d8edf5;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 12px rgba(91,189,214,0.08);
}

.product-full-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(91,189,214,0.18);
}

.product-full-card img { width: 100%; height: 220px; object-fit: cover; }

.product-full-card-body { padding: 24px; }

.product-category {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--cyan);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-full-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 10px;
}

.product-full-text { font-size: 13px; color: #667; line-height: 1.8; }

/* ===== CONTACT PAGE ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 56px;
}

.contact-info-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  background: var(--cyan-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
}

.contact-info-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.contact-info-value { font-size: 15px; color: var(--text); font-weight: 500; }

.form-group { margin-bottom: 24px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-dark);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.required {
  font-size: 10px;
  background: var(--cyan);
  color: var(--white);
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid #c4dce8;
  border-radius: 6px;
  font-size: 14px;
  color: var(--text);
  transition: border-color 0.2s;
  font-family: inherit;
  background: #fafcfe;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--cyan);
  background: #fff;
}

.form-textarea { resize: vertical; min-height: 140px; }

.btn-submit {
  background: var(--blue);
  color: var(--white);
  border: none;
  padding: 15px 48px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

.btn-submit:hover { background: var(--blue-dark); }

/* ===== MAP ===== */
.map-section { background: var(--gray-light); padding: 72px 0; }

.map-embed {
  margin-top: 40px;
  border-radius: 12px;
  overflow: hidden;
  height: 360px;
}

.map-embed iframe { width: 100%; height: 100%; border: 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .strengths-grid, .products-grid, .products-full-grid,
  .philosophy-grid, .snap-grid, .contact-grid,
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }

  .hero-title { font-size: 30px; }
  .hero-content { left: 5%; right: 5%; }
  .section-title { font-size: 24px; }
  nav { display: none; }
  .header-inner, .section-inner { padding: 0 20px; }
  section { padding: 64px 0; }
}