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

:root {
  --primary-green: #22c55e;
  --dark-green: #16a34a;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.7;
  color: #1f2937;
  overflow-x: hidden;
  max-width: 100%;
}

/* ヘッダー */
header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 3rem;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  max-width: 100%;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 3rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: #4b5563;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s;
}

nav a:hover {
  color: #d4a017;
}

.contact-btn {
  background: #111827;
  color: white !important;
  padding: 0.7rem 1.8rem;
  border-radius: 6px;
  transition: all 0.3s;
}

.contact-btn:hover {
  background: #d4a017;
  transform: translateY(-1px);
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background: #111827;
  transition: 0.3s;
}

/* ヒーローセクション - 大きな背景画像 */
.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.45)),
    url("../images/hero-bg-1.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  z-index: 1;
  transition: opacity 1s ease-in-out;
}

.hero.bg-2::before {
  background-image: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.45)),
    url("../images/hero-bg-2.jpg");
}

.hero.bg-3::before {
  background-image: linear-gradient(rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.45)),
    url("../images/hero-bg-3.jpg");
}

.hero-content {
  max-width: 1000px;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--primary-green);
  margin-bottom: 2rem;
  font-weight: 600;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 2rem;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero-tagline {
  font-size: 1.4rem;
  line-height: 1.9;
  color: #a7f3d0;
  margin-bottom: 3.5rem;
  font-weight: 400;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-cta {
  display: inline-block;
  background: #d4a017;
  color: white;
  padding: 1.1rem 3rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s;
}

.hero-cta:hover {
  background: #b8860b;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212, 160, 23, 0.3);
}

/* セクション共通 */
section {
  padding: 120px 3rem;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-label {
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--primary-green);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 1.5rem;
  letter-spacing: 0.01em;
}

.section-description {
  font-size: 1.15rem;
  color: #6b7280;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* About Section */
.about {
  background: white;
}

.about .section-label {
  color: #6b7280;
}

.about-logo {
  height: 80px;
  max-width: 100%;
  width: auto;
  margin: 0 auto 2rem;
  display: block;
}

/* Services - 大きな画像カード */
.services {
  background: #f9fafb;
}

.services .section-label {
  color: #6b7280;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.service-item {
  position: relative;
  height: 450px;
  overflow: hidden;
  cursor: pointer;
  border-radius: 12px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
}

.service-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.service-bg {
  position: relative;
  height: 66.666%;
  background: #e5e7eb;
  background-size: cover;
  background-position: center;
  transition: all 0.3s;
}

.service-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: brightness(0.65) saturate(0.75);
  -webkit-backdrop-filter: brightness(0.65) saturate(0.75);
}

.service-item:nth-child(1) .service-bg {
  background-image: url("../images/service-1.jpg");
}

.service-item:nth-child(2) .service-bg {
  background-image: url("../images/service-2.jpg");
}

.service-item:nth-child(3) .service-bg {
  background-image: url("../images/service-3.jpg");
}

.service-item:nth-child(4) .service-bg {
  background-image: url("../images/service-4.jpg");
}

.service-content {
  position: relative;
  height: 33.333%;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #1f2937;
  color: white;
}

.service-item:nth-child(1) .service-content {
  background: #1f2937;
}

.service-item:nth-child(2) .service-content {
  background: #374151;
}

.service-item:nth-child(3) .service-content {
  background: #4b5563;
}

.service-item:nth-child(4) .service-content {
  background: #6b7280;
}

.service-number {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 2rem;
  font-weight: 700;
  color: white;
  background: rgba(31, 41, 55, 0.8);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  z-index: 10;
}

.service-item h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

.service-item p {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

/* Philosophy Section - 画像付き */
.philosophy {
  background: white;
}

.philosophy-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.philosophy-image {
  height: 500px;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.4)),
    url("../images/philosophy.jpg");
  background-size: cover;
  background-position: center;
  border-radius: 12px;
}

.philosophy-text .section-label {
  color: #6b7280;
}

.philosophy-text h3 {
  font-size: 2.2rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 2rem;
  line-height: 1.4;
}

.philosophy-text p {
  font-size: 1.1rem;
  color: #4b5563;
  line-height: 1.9;
  margin-bottom: 1.5rem;
}

/* Company Info */
.company {
  background: #f9fafb;
}

.company .section-label {
  color: #6b7280;
}

.company-table {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.company-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  border-bottom: 1px solid #e5e7eb;
}

.company-row:last-child {
  border-bottom: none;
}

.company-label {
  background: #f9fafb;
  padding: 2rem 2.5rem;
  font-weight: 600;
  color: #111827;
  font-size: 0.95rem;
}

.company-value {
  padding: 2rem 2.5rem;
  color: #4b5563;
  font-size: 0.95rem;
}

/* Map */
.map-section {
  background: white;
}

.map-section .section-label {
  color: #6b7280;
}

.map-container {
  max-width: 1200px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.map-container iframe {
  width: 100%;
  height: 500px;
  border: 0;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('../images/cta-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: white;
  text-align: center;
  padding: 60px 1rem;
}

.cta-section h2 {
  font-size: 1.8rem;
  font-weight: 500;
  margin-bottom: 3rem;
  color: white;
}

.cta-section .hero-cta {
  font-size: 1.1rem;
  padding: 1.2rem 3.5rem;
}

/* Footer */
footer {
  background: #111827;
  color: #9ca3af;
  padding: 3rem 1rem 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  color: white;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-logo {
  height: 50px;
  max-width: 100%;
  width: auto;
  margin-bottom: 1.5rem;
}

.footer-brand p {
  line-height: 1.9;
  font-size: 0.95rem;
  padding-left: 2rem;
}

.footer-links h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links a {
  color: #9ca3af;
  text-decoration: none;
  display: block;
  padding: 0.5rem 0;
  font-size: 0.95rem;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #d4a017;
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 3rem;
  border-top: 1px solid #1f2937;
  text-align: center;
  font-size: 0.9rem;
}

/* ページヘッダー（サブページ用） */
.page-header {
  background: #111827;
  color: white;
  padding: 180px 3rem 100px;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* コンタクトセクション */
.contact-section {
  padding: 100px 3rem;
  background: #f9fafb;
}

.contact-intro {
  text-align: center;
  margin-bottom: 4rem;
}

.contact-intro h2 {
  font-size: 2rem;
  font-weight: 500;
  color: #111827;
  margin-bottom: 1rem;
}

.contact-intro p {
  color: #6b7280;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* フォーム送信結果メッセージ */
.form-status {
  max-width: 800px;
  margin: 0 auto 2rem;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
}

.form-status.success {
  background: #f0fdf4;
  border: 2px solid #22c55e;
  color: #166534;
}

.form-status.error {
  background: #fef2f2;
  border: 2px solid #ef4444;
  color: #991b1b;
}

.form-status p {
  margin: 0;
  line-height: 1.8;
}

.form-status p:first-child {
  margin-bottom: 0.5rem;
}

.form-status strong {
  font-size: 1.1rem;
  font-weight: 600;
}

/* フォーム */
.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  color: #111827;
  margin-bottom: 0.7rem;
  font-size: 0.95rem;
}

.required {
  color: #ef4444;
  margin-left: 0.3rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: #d4a017;
}

.form-group textarea {
  min-height: 180px;
  resize: vertical;
}

.form-note {
  font-size: 0.9rem;
  color: #6b7280;
  margin-top: 0.5rem;
}

.submit-btn {
  background: #d4a017;
  color: white;
  border: none;
  padding: 1.1rem 3rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
  transition: all 0.3s;
}

.submit-btn:hover:not(:disabled) {
  background: #b8860b;
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(212, 160, 23, 0.3);
}

.submit-btn:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  opacity: 0.6;
}

/* その他の情報 */
.contact-info {
  background: white;
  padding: 100px 3rem;
}

.info-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.info-item {
  text-align: center;
}

.info-icon {
  width: 60px;
  height: 60px;
  background: #d4a017;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
}

.info-item h3 {
  font-size: 1.2rem;
  font-weight: 500;
  color: #111827;
  margin-bottom: 0.7rem;
}

.info-item p {
  color: #6b7280;
  line-height: 1.8;
}

/* コンテンツ（プライバシー・特商法用） */
.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 3rem 100px;
}

.content h2 {
  font-size: 1.8rem;
  font-weight: 500;
  color: #111827;
  margin: 3rem 0 1.5rem;
  padding-bottom: 0.7rem;
  border-bottom: 2px solid #d4a017;
}

.content h2:first-child {
  margin-top: 0;
}

.content h3 {
  font-size: 1.3rem;
  font-weight: 500;
  color: #111827;
  margin: 2rem 0 1rem;
}

.content p {
  color: #4b5563;
  margin-bottom: 1.5rem;
  line-height: 1.9;
}

.content ul,
.content ol {
  margin: 1.5rem 0 1.5rem 2rem;
  color: #4b5563;
}

.content li {
  margin-bottom: 0.7rem;
  line-height: 1.8;
}

.last-updated {
  text-align: right;
  color: #6b7280;
  font-size: 0.95rem;
  margin-bottom: 3rem;
}

/* 特商法用テーブル */
.info-table {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

.info-row {
  display: grid;
  grid-template-columns: 250px 1fr;
  border-bottom: 1px solid #e5e7eb;
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  background: #f9fafb;
  padding: 1.8rem 2rem;
  font-weight: 500;
  color: #111827;
  font-size: 0.95rem;
  border-right: 1px solid #e5e7eb;
}

.info-value {
  padding: 1.8rem 2rem;
  color: #4b5563;
  font-size: 0.95rem;
  line-height: 1.8;
}

.note {
  background: #f9fafb;
  padding: 1.5rem;
  border-left: 4px solid #d4a017;
  margin: 2rem 0;
  border-radius: 6px;
}

.note p {
  margin-bottom: 0;
}

/* レスポンシブ */
@media (max-width: 1024px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    gap: 1.5rem;
  }

  nav ul.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0;
  }

  .philosophy-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    gap: 1.5rem;
  }

  nav ul.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
    padding: 0 1rem;
  }

  .hero-tagline {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .hero-content {
    padding: 0 1rem;
  }

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

  .section-description {
    font-size: 1rem;
  }

  .section-description br {
    display: none;
  }

  section {
    padding: 60px 1rem;
  }

  .company-row {
    grid-template-columns: 1fr;
  }

  .company-label {
    border-bottom: 1px solid #e5e7eb;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .service-item {
    height: 400px;
  }

  nav {
    padding: 1rem;
  }

  .page-header {
    padding: 140px 1rem 80px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .contact-section {
    padding: 60px 1rem;
  }

  .contact-form {
    padding: 1.5rem 1rem;
  }

  .contact-info {
    padding: 60px 1rem;
  }

  .content {
    padding: 60px 1rem 80px;
  }

  .content h2 {
    font-size: 1.5rem;
  }

  .info-row {
    grid-template-columns: 1fr;
  }

  .info-label {
    border-right: none;
    border-bottom: 1px solid #e5e7eb;
  }

  .about-logo {
    height: 60px;
  }

  .footer-brand p {
    padding-left: 0;
  }
}