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

:root {
  --primary: #1a1a1a;
  --secondary: #333;
  --accent: #c8a96e;
  --accent-dark: #b08e50;
  --light: #f9f8f6;
  --white: #ffffff;
  --gray: #888;
  --gray-light: #e8e8e8;
  --text: #333;
  --text-light: #666;
  --font-main: 'Noto Sans JP', 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Noto Serif JP', Georgia, serif;
  --max-width: 1200px;
  --header-height: 70px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-light);
  height: var(--header-height);
  transition: box-shadow 0.3s;
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.logo img {
  height: 42px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--secondary);
  position: relative;
  padding: 4px 0;
  letter-spacing: 0.03em;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-menu a:hover {
  color: var(--accent-dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Slider ===== */
.hero {
  position: relative;
  height: 480px;
  margin-top: var(--header-height);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26,26,26,0.65) 0%, rgba(26,26,26,0.25) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  color: var(--white);
  padding: 0 20px;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero-content p {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  opacity: 0.9;
}

.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background 0.3s;
}

.hero-dots span.active {
  background: var(--white);
}

/* ===== Section Common ===== */
.section {
  padding: 80px 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.section-title .en {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 500;
}

.section-title .divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 15px auto 0;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.about-text p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 15px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--gray-light);
}

.company-table th,
.company-table td {
  padding: 14px 16px;
  text-align: left;
  font-size: 0.9rem;
  vertical-align: top;
}

.company-table th {
  width: 140px;
  font-weight: 600;
  color: var(--primary);
  background: var(--light);
  white-space: nowrap;
}

/* ===== Services (Business) ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: 8px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.5rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== Process (Flow) ===== */
.process-steps {
  display: flex;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  position: relative;
}

.process-step {
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  text-align: center;
  padding: 20px;
  position: relative;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 45px;
  right: -10px;
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 1.1rem;
  font-weight: 700;
}

.process-step h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.process-step p {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 6px;
  background: var(--gray-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-placeholder {
  color: var(--gray);
  font-size: 0.85rem;
  text-align: center;
  padding: 20px;
}

.gallery-placeholder svg {
  width: 40px;
  height: 40px;
  margin-bottom: 8px;
  fill: var(--gray-light);
  stroke: var(--gray);
}

/* ===== Shop Info ===== */
.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.shop-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--primary);
}

.shop-info-list {
  margin-bottom: 20px;
}

.shop-info-list li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-light);
  font-size: 0.9rem;
}

.shop-info-list li .label {
  font-weight: 600;
  min-width: 80px;
  color: var(--primary);
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.map-container iframe {
  width: 100%;
  height: 350px;
  border: none;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-light);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
  transition: color 0.3s;
}

.faq-question:hover {
  color: var(--accent-dark);
}

.faq-question .toggle {
  font-size: 1.2rem;
  transition: transform 0.3s;
  color: var(--accent);
}

.faq-item.open .faq-question .toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}

.faq-item.open .faq-answer {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== Contact ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: 15px;
  color: var(--primary);
}

.contact-info p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 25px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9rem;
}

.contact-details .icon {
  width: 36px;
  height: 36px;
  background: var(--light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-form .form-group {
  margin-bottom: 18px;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary);
}

.contact-form label .required {
  color: #d32f2f;
  font-size: 0.8rem;
  margin-left: 4px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-light);
  border-radius: 4px;
  font-size: 0.9rem;
  font-family: var(--font-main);
  transition: border-color 0.3s;
  background: var(--white);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form textarea {
  height: 120px;
  resize: vertical;
}

.btn {
  display: inline-block;
  padding: 12px 36px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: background 0.3s, transform 0.2s;
}

.btn:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

/* ===== Fixed CTA ===== */
.fixed-cta {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fixed-cta a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s, box-shadow 0.3s;
}

.fixed-cta a:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.fixed-cta .cta-phone {
  background: var(--primary);
}

.fixed-cta .cta-contact {
  background: var(--accent);
}

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 50px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 15px;
}

.footer-brand p {
  font-size: 0.82rem;
  line-height: 1.8;
  opacity: 0.7;
}

.footer h4 {
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  font-size: 0.82rem;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  opacity: 0.6;
}

.footer-bottom a:hover {
  opacity: 1;
}

/* ===== Privacy Page (inline section) ===== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content h3 {
  font-size: 1.05rem;
  margin: 30px 0 10px;
  color: var(--primary);
}

.privacy-content p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    transition: right 0.3s;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-menu a {
    font-size: 1rem;
  }

  .hero {
    height: 360px;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero-content p {
    font-size: 0.85rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.4rem;
  }

  .about-grid,
  .shop-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-card {
    padding: 28px 24px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-step:not(:last-child)::after {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .fixed-cta {
    bottom: 10px;
    right: 10px;
    left: 10px;
    flex-direction: row;
    justify-content: center;
  }

  .fixed-cta a {
    flex: 1;
    justify-content: center;
    padding: 10px 14px;
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 300px;
  }

  .hero-content h1 {
    font-size: 1.3rem;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 8px 12px;
  }

  .company-table th {
    padding-bottom: 2px;
  }
}

/* ===== Scroll Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s, transform 0.6s;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}