@charset "UTF-8";

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-border: #e2e8f0;
  --color-primary: #2c3e50;
  --color-primary-hover: #1a252f;
  --color-accent: #34495e;

  --font-base: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  --border-radius-sm: 4px;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --box-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --transition: all 0.3s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
  opacity: 0.8;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.4;
  font-weight: 600;
  color: var(--color-primary);
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

.section {
  padding: var(--spacing-xl) 0;
}

.section-bg {
  background-color: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 2px;
  background-color: var(--color-primary);
}

.section-title.no-underline::after {
  display: none;
}

.section-subtitle {
  color: var(--color-text-light);
  font-size: 1rem;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.95);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(5px);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo a {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

.global-nav ul {
  display: flex;
  gap: var(--spacing-md);
}

.global-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--spacing-xs) 0;
  position: relative;
}

.global-nav a:hover,
.global-nav a.active {
  color: var(--color-primary);
}

.global-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.global-nav a:hover::after,
.global-nav a.active::after {
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-primary);
  margin-bottom: 5px;
  transition: var(--transition);
}

.menu-toggle span:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background-color: var(--color-primary);
  color: var(--color-bg);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-info {
  flex: 1;
  min-width: 300px;
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  display: block;
  color: var(--color-bg);
}

.footer-logo:hover {
  color: var(--color-bg);
  opacity: 0.8;
}

.footer-company-details p {
  margin-bottom: var(--spacing-xs);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-links {
  flex: 1;
  min-width: 200px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-bg);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
  margin-left: 10px;
}

.footer-bottom a:hover {
  color: var(--color-bg);
}

/* ==========================================================================
   Components (Buttons, Cards, etc.)
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.btn-large {
  padding: 16px 48px;
  font-size: 1.1rem;
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background: var(--color-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--box-shadow-hover);
  transform: translateY(-4px);
}

.card-img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background-color: var(--color-border);
}

.card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}

.card-meta {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.card-desc {
  font-size: 0.95rem;
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.card-footer {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--color-bg-alt);
  color: var(--color-text-light);
  border-radius: 20px;
  font-size: 0.8rem;
  border: 1px solid var(--color-border);
}

/* Details Table */
.details-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-md);
}

.details-table th,
.details-table td {
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.details-table th {
  width: 30%;
  background-color: var(--color-bg-alt);
  font-weight: 500;
  color: var(--color-primary);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.form-label .required {
  color: #e53e3e;
  font-size: 0.8rem;
  margin-left: 8px;
  vertical-align: middle;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.1);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.form-checkbox input[type="checkbox"] {
  margin-top: 5px;
}

/* ==========================================================================
   Page Specific
   ========================================================================== */
/* Hero Section */
.hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  background-color: var(--color-primary);
  color: white;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: 3rem;
  color: white;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Page Header */
.page-header {
  background-color: var(--color-bg-alt);
  padding: var(--spacing-lg) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
}

/* Notice Bar */
.notice-bar {
  background-color: var(--color-primary);
  color: white;
  padding: 12px 0;
  text-align: center;
  font-size: 0.95rem;
}

.notice-bar a {
  color: white;
  text-decoration: underline;
}

/* Filter */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: 8px 24px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: var(--spacing-md);
}

.gallery-main {
  grid-column: 1 / -1;
  height: 400px;
}

.gallery-main img,
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius-sm);
}

.gallery-thumb {
  height: 100px;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
}

.gallery-thumb:hover,
.gallery-thumb.active {
  opacity: 1;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  /* Header */
  .menu-toggle {
    display: block;
    z-index: 101;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .global-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.4s ease;
    z-index: 100;
  }

  .global-nav.active {
    transform: translateY(0);
  }

  .global-nav ul {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .global-nav a {
    font-size: 1.25rem;
  }

  /* Hero */
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  /* Cards */
  .card-grid {
    grid-template-columns: 1fr;
  }

  /* Table */
  .details-table th,
  .details-table td {
    display: block;
    width: 100%;
  }

  .details-table th {
    border-bottom: none;
    padding-bottom: 8px;
  }

  .details-table td {
    padding-top: 0;
  }

  /* Gallery */
  .gallery-main {
    height: 250px;
  }

  .gallery-thumb {
    height: 60px;
  }
}