:root {
  --orange-main: #FF8C1A;
  --orange-light: #FFA94D;
  --orange-dark: #E07000;
  --orange-pale: #FFF3E6;
  --cream: #FAFAFA;
  --white: #FFFFFF;
  --dark: #2D2D2D;
  --gray-dark: #333333;
  --gray-mid: #666666;
  --gray-light: #999999;
  --gray-border: #E0E0E0;
  --font-main: 'Noto Sans JP', sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); color: var(--gray-dark); line-height: 1.8; background: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: color 0.3s; }
img { max-width: 100%; height: auto; }
.header { position: fixed; top:0; left:0; right:0; z-index:1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(8px); box-shadow: 0 1px 8px rgba(0,0,0,0.06); }
.header-inner { max-width: 1200px; margin:0 auto; display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; }
.header-logo img { height: 40px; width: auto; }
.header-nav { display:flex; gap:32px; align-items:center; }
.header-nav a { font-size: 14px; font-weight: 500; color: var(--gray-dark); position: relative; padding: 4px 0; }
.header-nav a::after { content:''; position:absolute; bottom:0; left:0; width:0; height:2px; background: var(--orange-main); transition: width 0.3s; }
.header-nav a:hover::after { width:100%; }
.header-nav a.active::after { width:100%; }
.header-tel { display:flex; align-items:center; gap:6px; font-size: 14px; font-weight:700; color: var(--orange-main); }
.header-tel svg { width:16px; height:16px; fill: var(--orange-main); }
.header-tel-sub { font-size:11px; color: var(--gray-light); font-weight:400; }
.header-cta { background: var(--orange-main); color:#fff; padding: 10px 24px; border-radius: 6px; font-size:14px; font-weight:700; transition: background 0.3s, transform 0.2s; display:inline-block; }
.header-cta:hover { background: var(--orange-dark); transform:translateY(-1px); }
.header-tel-wrap { display:flex; align-items:center; gap:16px; }
.hamburger { display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:24px; height:2px; background:var(--gray-dark); transition:0.3s; }
.mobile-nav { display:none; }
.page-hero { background: linear-gradient(135deg, #2D2D2D 0%, #1A1A1A 100%); padding: 120px 24px 60px; margin-top: 96px; }
.page-hero-inner { max-width:1100px; margin:0 auto; }
.page-hero-label { font-size:12px; font-weight:700; letter-spacing:3px; color: var(--orange-light); text-transform:uppercase; margin-bottom:8px; }
.page-hero-title { font-size: clamp(28px, 4vw, 44px); font-weight:900; color:#fff; line-height:1.3; }
.section { padding: 80px 24px; }
.section-inner { max-width:1100px; margin:0 auto; }
.section-label { font-size:12px; font-weight:700; letter-spacing:3px; color: var(--orange-main); text-transform:uppercase; margin-bottom:8px; }
.section-title { font-size: clamp(24px, 3.5vw, 36px); font-weight:900; color: var(--dark); margin-bottom:16px; line-height:1.4; }
.section-desc { font-size:15px; color: var(--gray-mid); max-width:700px; margin-bottom:48px; line-height:2; }
.btn-primary { display:inline-flex; align-items:center; gap:8px; background: var(--orange-main); color:#fff; padding: 14px 32px; border-radius:8px; font-size:15px; font-weight:700; transition: all 0.3s; border:none; cursor:pointer; }
.btn-primary:hover { background: var(--orange-light); transform:translateY(-2px); box-shadow:0 8px 24px rgba(255,140,26,0.3); }
.btn-primary svg { width:18px; height:18px; fill:#fff; }
.btn-outline { display:inline-flex; align-items:center; gap:8px; border:2px solid var(--orange-main); color: var(--orange-main); padding: 12px 28px; border-radius:8px; font-size:14px; font-weight:700; transition: all 0.3s; }
.btn-outline:hover { background: var(--orange-main); color:#fff; }
.contact-section { background: linear-gradient(135deg, #2D2D2D 0%, #1A1A1A 100%); color: #fff; text-align:center; padding: 80px 24px; }
.contact-section .section-label { color: var(--orange-light); }
.contact-section .section-title { color:#fff; }
.contact-section .section-desc { color:rgba(255,255,255,0.7); margin-left:auto; margin-right:auto; }
.contact-methods { display:flex; justify-content:center; gap:32px; flex-wrap:wrap; margin-top:40px; }
.contact-box { background: rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.15); border-radius:12px; padding:32px 40px; text-align:center; min-width:280px; transition: background 0.3s; }
.contact-box:hover { background: rgba(255,255,255,0.12); }
.contact-box-icon { font-size:32px; margin-bottom:12px; }
.contact-box-title { font-size:13px; color:rgba(255,255,255,0.6); margin-bottom:8px; }
.contact-box-value { font-size:24px; font-weight:900; color:var(--orange-light); }
.contact-box-sub { font-size:12px; color:rgba(255,255,255,0.5); margin-top:4px; }
.footer { background: var(--dark); color:rgba(255,255,255,0.6); padding:60px 24px 30px; }
.footer-inner { max-width:1100px; margin:0 auto; }
.footer-top { display:flex; justify-content:space-between; align-items:flex-start; gap:40px; margin-bottom:40px; }
.footer-logo img { height:60px; margin-bottom:16px; }
.footer-address { font-size:13px; line-height:2; }
.footer-nav { display:flex; gap:32px; }
.footer-nav a { font-size:13px; color:rgba(255,255,255,0.6); transition:color 0.3s; }
.footer-nav a:hover { color: var(--orange-light); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding-top:20px; text-align:center; font-size:12px; }
.fade-in { opacity:0; transform:translateY(30px); transition: opacity 0.8s, transform 0.8s; }
.fade-in.visible { opacity:1; transform:translateY(0); }
@media (max-width:768px) {
  .header-inner { padding: 8px 16px; }
  .header-logo img { height: 32px; max-width: 140px; }
  .header-nav, .header-tel-wrap { display:none !important; }
  .hamburger { display:flex; }
  .mobile-nav.active { display:flex; flex-direction:column; position:fixed; top:56px; left:0; right:0; bottom:0; background:rgba(255,255,255,0.98); padding:24px; gap:16px; z-index:999; }
  .mobile-nav a { font-size:16px; font-weight:500; padding:10px 0; border-bottom:1px solid var(--gray-border); }
  .page-hero { margin-top: 56px; padding: 80px 16px 40px; }
  .page-hero-title { font-size: 24px; }
  .section { padding: 48px 16px; }
  .section-title { font-size: 22px; margin-bottom: 12px; }
  .section-desc { font-size: 14px; margin-bottom: 32px; }
  .btn-primary { padding: 12px 24px; font-size: 14px; }
  .btn-outline { padding: 10px 20px; font-size: 13px; }
  .contact-section { padding: 48px 16px; }
  .contact-box { padding: 24px 20px; min-width: auto; width: 100%; }
  .contact-box-value { font-size: 20px; }
  .footer { padding: 40px 16px 20px; }
  .footer-top { flex-direction:column; gap: 24px; }
  .footer-logo img { height: 40px; }
  .footer-nav { flex-direction:column; gap:12px; }
  .contact-methods { flex-direction:column; align-items:stretch; }
}