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

:root {
  --brown-dark:  #3d2b1a;
  --brown-mid:   #6b4c30;
  --brown-light: #9e7455;
  --cream:       #f7f2ea;
  --warm-white:  #fdfaf5;
  --text-dark:   #1a1209;
  --text-mid:    #4a3d2e;
  --text-light:  #8a7a6a;
  --orange:      #c8742a;
  --border:      #ddd0bb;
}

html { scroll-behavior: smooth; }
body { font-family: 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif; color: var(--text-dark); background: var(--warm-white); line-height: 1.8; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.section-label { font-size: .72rem; letter-spacing: .2em; color: var(--orange); margin-bottom: 12px; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: bold; line-height: 1.5; margin-bottom: 20px; color: var(--brown-dark); }

/* Header */
#header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background .3s; }
#header.scrolled { background: rgba(61,43,26,.95); backdrop-filter: blur(8px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; }
.logo { text-decoration: none; color: #fff; }
.logo-ja { display: block; font-size: 1.2rem; font-weight: bold; letter-spacing: .08em; }
.logo-en { display: block; font-size: .6rem; letter-spacing: .2em; color: #c8a87a; margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: rgba(255,255,255,.85); text-decoration: none; font-size: .85rem; transition: color .2s; }
.nav a:hover { color: #c8a87a; }
.nav-book { background: var(--orange); color: #fff !important; padding: 8px 18px; border-radius: 4px; font-weight: bold; }
.nav-book:hover { background: #d4832a !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; }
.nav-mobile { display: none; flex-direction: column; background: var(--brown-dark); padding: 16px 32px; }
.nav-mobile a { color: rgba(255,255,255,.85); text-decoration: none; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: .9rem; }
.nav-mobile.open { display: flex; }

/* Hero */
.hero { position: relative; height: 100vh; min-height: 580px; display: flex; align-items: center; }
.hero-img { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(40,20,5,.75) 0%, rgba(20,10,0,.45) 100%); }
.hero-text { position: relative; color: #fff; padding: 0 40px; }
.hero-tag { display: inline-block; background: var(--orange); color: #fff; font-size: .75rem; padding: 4px 14px; border-radius: 20px; margin-bottom: 20px; font-weight: bold; letter-spacing: .06em; }
.hero-text h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: bold; line-height: 1.4; margin-bottom: 16px; }
.hero-desc { font-size: .92rem; color: rgba(255,255,255,.85); margin-bottom: 32px; line-height: 2; }
.btn-hero { display: inline-block; padding: 14px 36px; background: var(--orange); color: #fff; text-decoration: none; font-weight: bold; border-radius: 4px; font-size: .9rem; transition: .2s; }
.btn-hero:hover { background: #d4832a; }

/* Tag bar */
.tag-bar { background: var(--brown-dark); padding: 14px 24px; display: flex; gap: 24px; flex-wrap: wrap; justify-content: center; }
.tag-bar span { color: rgba(255,255,255,.8); font-size: .82rem; }

/* About */
.about { padding: 100px 0; background: var(--warm-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-imgs { position: relative; }
.img-main { width: 100%; height: 380px; object-fit: cover; }
.img-sub { position: absolute; bottom: -24px; right: -24px; width: 45%; height: 180px; object-fit: cover; border: 4px solid #fff; box-shadow: 0 4px 20px rgba(0,0,0,.15); }
.about-text p { color: var(--text-mid); margin-bottom: 16px; font-size: .92rem; }
.about-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; background: var(--cream); padding: 20px; border-radius: 8px; }
.spec { display: flex; flex-direction: column; gap: 2px; }
.spec-label { font-size: .72rem; color: var(--orange); font-weight: bold; letter-spacing: .06em; }
.spec { font-size: .88rem; }

/* Space */
.space { padding: 100px 0; background: var(--cream); }
.facility-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.facility-card { background: #fff; border-radius: 8px; overflow: hidden; }
.facility-img { height: 180px; background-size: cover; background-position: center; }
.facility-body { padding: 20px; }
.facility-body h3 { font-size: .95rem; font-weight: bold; margin-bottom: 8px; color: var(--brown-dark); }
.facility-body p { font-size: .8rem; color: var(--text-mid); line-height: 1.7; }

/* Price */
.price { padding: 80px 0; background: var(--warm-white); }
.price-table-wrap { margin-top: 36px; overflow-x: auto; }
.price-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.price-table th { background: var(--brown-dark); color: #fff; padding: 14px 20px; text-align: left; font-weight: normal; }
.price-table td { padding: 14px 20px; border-bottom: 1px solid var(--border); color: var(--text-mid); }
.price-table tr:last-child td { border-bottom: none; }
.price-note { font-size: .78rem; color: var(--text-light); margin-top: 16px; }

/* Access */
.access { padding: 80px 0; background: var(--cream); }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px; }
.access-name { font-size: 1rem; font-weight: bold; margin-bottom: 10px; }
.access-grid p { font-size: .85rem; color: var(--text-mid); margin-bottom: 6px; line-height: 1.8; }
.access-route { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.access-route strong { display: block; font-size: .82rem; color: var(--brown-dark); margin-bottom: 4px; }
.access-route p { font-size: .8rem; }
.map-placeholder { background: #ddd; height: 260px; display: flex; align-items: center; justify-content: center; color: #888; font-size: .85rem; border-radius: 4px; }

/* Book CTA */
.book-cta { padding: 100px 0; background: var(--brown-dark); color: #fff; text-align: center; }
.book-cta h2 { color: #fff; }
.book-cta p { color: rgba(255,255,255,.75); font-size: .9rem; margin-bottom: 36px; }
.btn-book { display: inline-block; padding: 16px 52px; background: var(--orange); color: #fff; text-decoration: none; font-weight: bold; font-size: .95rem; border-radius: 4px; transition: .2s; margin-bottom: 28px; }
.btn-book:hover { background: #d4832a; }
.book-tel { color: rgba(255,255,255,.6); font-size: .85rem; line-height: 2; }
.book-tel a { color: #c8a87a; text-decoration: none; font-size: 1.05rem; }
.book-tel span { font-size: .75rem; }

/* Footer */
footer { background: #1a0f08; padding: 40px 0 20px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 32px; }
.footer-logo { color: #fff; font-size: 1.1rem; font-weight: bold; margin-bottom: 8px; }
.footer-address { color: rgba(255,255,255,.4); font-size: .75rem; line-height: 1.8; }
.footer-nav { display: flex; flex-direction: column; gap: 8px; text-align: right; }
.footer-nav a { color: rgba(255,255,255,.45); text-decoration: none; font-size: .78rem; }
.footer-nav a:hover { color: #c8a87a; }
.footer-copy { color: rgba(255,255,255,.25); font-size: .7rem; border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; }

/* Back to top */
#back-to-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background: var(--orange); color: #fff; border: none; border-radius: 50%; font-size: 1.1rem; font-weight: bold; cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; z-index: 200; }
#back-to-top.visible { opacity: 1; pointer-events: auto; }
#back-to-top:hover { transform: translateY(-3px); }

@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .about-grid, .access-grid { grid-template-columns: 1fr; }
  .facility-grid { grid-template-columns: 1fr 1fr; }
  .img-sub { display: none; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-nav { text-align: left; }
}
@media (max-width: 480px) {
  .facility-grid { grid-template-columns: 1fr; }
}