/*
Theme Name: Belle Chapeau Theme
Theme URI: https://belle-c.jp
Author: Michiel Tech Lab
Author URI: https://belle-c.jp
Description: Belle・Chapeau corporate site theme. Blue-based, responsive single page with separate contact page.
Version: 1.0
License: Proprietary
Text Domain: bellechapeau
*/

/* ========================================
   Belle・Chapeau Corporate Site
   Color: Blue (#1a3a6b) based - 爽やか・信頼・クール
   ======================================== */

:root {
  --primary: #1a3a6b;
  --primary-light: #2a5298;
  --primary-dark: #0f2444;
  --accent: #c9a84c;
  --text: #333;
  --text-light: #666;
  --bg: #fff;
  --bg-light: #f7f9fc;
  --bg-dark: #1a3a6b;
  --border: #e0e6ed;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Playfair Display', serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

a { color: var(--primary); text-decoration: none; transition: opacity 0.3s; }
a:hover { opacity: 0.7; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ========== HEADER ========== */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(10px);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.header-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; justify-content: space-between; height: 70px;
}
.logo-img { height: 40px; width: auto; }
.main-nav ul { display: flex; gap: 28px; list-style: none; }
.main-nav a {
  font-size: 14px; font-weight: 500; color: var(--text);
  letter-spacing: 0.05em; transition: color 0.3s;
}
.main-nav a:hover { color: var(--primary); opacity: 1; }
.nav-contact {
  background: var(--primary) !important; color: #fff !important;
  padding: 8px 20px !important; border-radius: 4px;
}
.nav-contact:hover { background: var(--primary-light) !important; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--text);
  margin: 5px 0; transition: 0.3s;
}

/* ========== HERO ========== */
.hero {
  position: relative; height: 70vh; min-height: 450px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  display: flex; align-items: center; justify-content: center;
  margin-top: 70px;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.15) 100%);
  pointer-events: none;
}
.hero-content { text-align: center; color: #fff; position: relative; z-index: 1; }
.hero-logo { height: 80px; margin: 0 auto 30px; filter: brightness(0) invert(1); }
.hero-tagline {
  font-size: 20px; font-weight: 300; letter-spacing: 0.1em; line-height: 2;
}

/* ========== SECTIONS ========== */
.section { padding: 80px 0; }
.section:nth-child(even) { background: var(--bg-light); }

.section-title { text-align: center; margin-bottom: 50px; }
.title-en {
  display: block; font-family: var(--font-en); font-size: 38px;
  color: var(--primary); letter-spacing: 0.05em; line-height: 1.2;
}
.title-ja {
  display: block; font-size: 14px; color: var(--text-light);
  margin-top: 8px; letter-spacing: 0.15em;
}
.section-intro {
  text-align: center; color: var(--text-light); margin-top: -30px;
  margin-bottom: 40px; font-size: 15px;
}

/* ========== GREETING ========== */
.greeting-text { max-width: 700px; margin: 0 auto; }
.greeting-text p { margin-bottom: 20px; }
.greeting-sign {
  text-align: right; font-size: 15px; color: var(--primary);
  margin-top: 30px; font-weight: 500;
}

/* ========== PRODUCTS ========== */
.product-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px;
}
.product-card {
  background: #fff; border-radius: 8px; overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.product-img { overflow: hidden; aspect-ratio: 4/3; }
.product-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card h3 {
  font-size: 16px; padding: 16px 20px 4px; color: var(--primary-dark);
}
.product-card p {
  font-size: 13px; padding: 0 20px 20px; color: var(--text-light); line-height: 1.7;
}

/* ========== RESTAURANT ========== */
.restaurant-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start;
}
.restaurant-photos { display: flex; flex-direction: column; gap: 16px; }
.photo-main { border-radius: 8px; }
.photo-sub { border-radius: 8px; }
.restaurant-info h3 { font-size: 22px; color: var(--primary-dark); margin-bottom: 16px; }
.restaurant-info p { color: var(--text-light); margin-bottom: 24px; }
.info-list { margin-top: 16px; }
.info-list dt {
  font-weight: 700; font-size: 13px; color: var(--primary);
  margin-bottom: 4px; letter-spacing: 0.05em;
}
.info-list dd { margin-bottom: 16px; margin-left: 0; }

/* ========== COMPANY ========== */
.company-table {
  width: 100%; max-width: 700px; margin: 0 auto 40px;
  border-collapse: collapse;
}
.company-table th, .company-table td {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  text-align: left; font-size: 15px;
}
.company-table th {
  width: 140px; font-weight: 700; color: var(--primary-dark);
  background: var(--bg-light);
}

.group-companies { max-width: 700px; margin: 0 auto; }
.group-companies h3 {
  font-size: 16px; color: var(--primary-dark); margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--primary);
}
.group-companies ul { list-style: none; }
.group-companies li {
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.group-companies a { font-size: 14px; }

/* ========== FOOTER ========== */
.site-footer {
  background: var(--primary-dark); color: #fff; padding: 40px 0 20px;
}
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.15);
}
.footer-logo img { height: 36px; filter: brightness(0) invert(1); }
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: rgba(255,255,255,0.7); font-size: 13px; }
.footer-nav a:hover { color: #fff; opacity: 1; }
.copyright {
  text-align: center; margin-top: 20px; font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.site-header.is-scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .main-nav {
    position: fixed; top: 70px; right: 0; width: 100%;
    background: rgba(255,255,255,0.98); backdrop-filter: blur(10px);
    transform: translateX(100%); transition: transform 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul {
    flex-direction: column; gap: 0; padding: 20px 0;
  }
  .main-nav li { border-bottom: 1px solid var(--border); }
  .main-nav li:last-child { border-bottom: none; }
  .main-nav a {
    display: block; padding: 16px 24px; font-size: 15px;
  }
  .nav-contact {
    margin: 12px 24px; text-align: center;
  }
  .hamburger { display: block; }
  .hero { height: 50vh; min-height: 350px; }
  .hero-tagline { font-size: 16px; }
  .hero-logo { height: 60px; }
  .title-en { font-size: 28px; }
  .section { padding: 60px 0; }
  .product-grid { grid-template-columns: 1fr; }
  .restaurant-content { grid-template-columns: 1fr; }
  .company-table th { width: 100px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-nav { flex-wrap: wrap; justify-content: center; }
}