/* ===== 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: 400;
  color: #3d3529;
  line-height: 1.8;
  background-color: #faf8f5;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(8px);
  z-index: 100;
  border-bottom: 1px solid #e6dfd5;
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #5e564a;
}

.nav {
  display: flex;
  gap: 32px;
}

.nav a {
  font-size: 0.875rem;
  font-weight: 400;
  color: #5e564a;
  transition: color 0.2s;
}

.nav a:hover {
  color: #c4883c;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #5e564a;
  position: absolute;
  left: 0;
  transition: all 0.3s;
}

.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }

.menu-toggle.active span:nth-child(1) {
  top: 9px;
  transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 70vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #5e564a 0%, #8c7b6b 50%, #b5a48f 100%);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}

.hero-sub {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

/* ===== Sections ===== */
.section {
  padding: 80px 24px;
}

.section-beige {
  background-color: #ebe3d8;
}

.container {
  max-width: 800px;
  margin: 0 auto;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.06em;
  color: #5e564a;
}

.section-subtitle {
  text-align: center;
  font-size: 0.85rem;
  color: #8c7b6b;
  margin-top: 4px;
  margin-bottom: 48px;
}

/* ===== About ===== */
.about-content p {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 2;
}

/* ===== Business ===== */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.business-card {
  background: #fff;
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s;
}

.business-card:hover {
  transform: translateY(-4px);
}

.business-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.business-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #5e564a;
  margin-bottom: 12px;
}

.business-card p {
  font-size: 0.85rem;
  color: #6b6156;
  line-height: 1.7;
}

/* ===== Company Table ===== */
.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid #d5cdc2;
}

.company-table th,
.company-table td {
  padding: 20px 16px;
  font-size: 0.9rem;
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 140px;
  font-weight: 700;
  color: #5e564a;
  white-space: nowrap;
}

.company-table td {
  color: #3d3529;
}

/* ===== Contact ===== */
.contact-content {
  text-align: center;
}

.contact-content p {
  font-size: 0.95rem;
  margin-bottom: 32px;
}

.contact-btn {
  display: inline-block;
  padding: 14px 48px;
  background: #5e564a;
  color: #fff;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background 0.2s;
}

.contact-btn:hover {
  background: #c4883c;
}

/* ===== Footer ===== */
.footer {
  background: #5e564a;
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 32px 24px;
  font-size: 0.8rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(250, 248, 245, 0.98);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 16px 0;
    border-bottom: 1px solid #e6dfd5;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 0;
    font-size: 0.95rem;
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .hero-sub {
    font-size: 0.875rem;
  }

  .section {
    padding: 56px 20px;
  }

  .business-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .company-table th {
    display: block;
    padding-bottom: 4px;
  }

  .company-table td {
    display: block;
    padding-top: 0;
    padding-bottom: 20px;
  }
}