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

:root {
  --green-dark:  #1a3328;
  --green-mid:   #2d5a3d;
  --green-light: #4a7c5f;
  --cream:       #f5f0e8;
  --warm-white:  #faf8f4;
  --text-dark:   #1a1a1a;
  --text-mid:    #4a4a4a;
  --text-light:  #7a7a7a;
  --gold:        #c8b87a;
  --border:      #d8d0bc;
}

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

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.section-label { font-size: .72rem; letter-spacing: .2em; color: var(--gold); font-family: Georgia, serif; margin-bottom: 12px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: normal; line-height: 1.5; margin-bottom: 20px; }

/* Header */
#header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background .3s; }
#header.scrolled { background: rgba(26,51,40,.95); backdrop-filter: blur(8px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 20px 32px; }
.logo { text-decoration: none; color: #fff; display: flex; flex-direction: column; line-height: 1.1; }
.logo-ja { font-size: 1.3rem; letter-spacing: .1em; }
.logo-en { font-size: .62rem; letter-spacing: .2em; color: var(--gold); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a { color: rgba(255,255,255,.85); text-decoration: none; font-size: .85rem; letter-spacing: .08em; transition: color .2s; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.nav a:hover { color: var(--gold); }
.nav-book { background: var(--gold); color: var(--green-dark) !important; padding: 8px 20px; border-radius: 2px; font-weight: bold; }
.nav-book:hover { background: #d4c888 !important; color: var(--green-dark) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 1px; background: #fff; transition: .3s; }
.nav-mobile { display: none; flex-direction: column; background: var(--green-dark); padding: 20px 32px; }
.nav-mobile a { color: rgba(255,255,255,.85); text-decoration: none; font-size: .95rem; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.nav-mobile.open { display: flex; }

/* Hero */
.hero { position: relative; height: 100vh; min-height: 600px; 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(to bottom, rgba(10,30,20,.5) 0%, rgba(10,30,20,.3) 50%, rgba(10,30,20,.6) 100%); }
.hero-text { position: relative; color: #fff; padding: 0 32px; max-width: 700px; margin: 0 auto; text-align: center; }
.hero-sub { font-size: .8rem; letter-spacing: .2em; color: var(--gold); margin-bottom: 16px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.hero-text h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: normal; line-height: 1.5; margin-bottom: 20px; text-shadow: 0 2px 12px rgba(0,0,0,.4); }
.hero-desc { font-size: .9rem; line-height: 2; color: rgba(255,255,255,.85); margin-bottom: 36px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.btn-hero { display: inline-block; padding: 14px 40px; background: var(--gold); color: var(--green-dark); text-decoration: none; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .88rem; font-weight: bold; letter-spacing: .08em; border-radius: 2px; transition: background .2s; }
.btn-hero:hover { background: #d4c888; }

/* About */
.about { padding: 100px 0; background: var(--warm-white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text p { color: var(--text-mid); margin-bottom: 16px; font-size: .95rem; }
.about-img img { width: 100%; height: 420px; object-fit: cover; }

/* Rooms */
.rooms { padding: 100px 0; background: var(--cream); }
.rooms .section-desc { color: var(--text-mid); margin-bottom: 48px; font-size: .95rem; }
.room-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.room-card { background: #fff; overflow: hidden; }
.room-img { height: 220px; background-size: cover; background-position: center; }
.room-body { padding: 24px; }
.room-type { font-size: .72rem; letter-spacing: .15em; color: var(--gold); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; margin-bottom: 6px; }
.room-body h3 { font-size: 1.2rem; font-weight: normal; margin-bottom: 10px; }
.room-desc { font-size: .82rem; color: var(--text-mid); line-height: 1.8; margin-bottom: 16px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.room-price { font-size: 1.1rem; color: var(--green-dark); }
.room-price span { font-size: .75rem; color: var(--text-light); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.btn-outline { display: inline-block; padding: 12px 36px; border: 1px solid var(--green-dark); color: var(--green-dark); text-decoration: none; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .85rem; letter-spacing: .08em; border-radius: 2px; transition: .2s; }
.btn-outline:hover { background: var(--green-dark); color: #fff; }

/* Onsen */
.onsen { position: relative; padding: 120px 0; color: #fff; }
.onsen-img { position: absolute; inset: 0; background-size: cover; background-position: center; }
.onsen-overlay { position: absolute; inset: 0; background: rgba(10,30,20,.72); }
.onsen-text { position: relative; max-width: 560px; }
.onsen-text h2 { color: #fff; margin-bottom: 20px; }
.onsen-text p { color: rgba(255,255,255,.85); font-size: .92rem; margin-bottom: 32px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.onsen-info { display: flex; flex-direction: column; gap: 10px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .85rem; }
.onsen-info div { display: flex; gap: 16px; }
.onsen-info span { color: var(--gold); min-width: 48px; }

/* Food */
.food { padding: 100px 0; background: var(--warm-white); }
.food-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.food-img img { width: 100%; height: 440px; object-fit: cover; }
.food-text p { color: var(--text-mid); font-size: .92rem; margin-bottom: 16px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.food-list { list-style: none; margin-top: 24px; display: flex; flex-direction: column; gap: 8px; }
.food-list li { font-size: .85rem; color: var(--text-mid); padding-left: 16px; position: relative; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.food-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }

/* Info */
.info { padding: 80px 0; background: var(--cream); }
.info-table { width: 100%; border-collapse: collapse; margin-top: 40px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.info-table th, .info-table td { padding: 16px 20px; border-bottom: 1px solid var(--border); font-size: .9rem; text-align: left; }
.info-table th { color: var(--text-light); font-weight: normal; width: 180px; }
.info-table td { color: var(--text-dark); }

/* Access */
.access { padding: 100px 0; background: var(--warm-white); }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 48px; }
.access-name { font-size: 1.1rem; margin-bottom: 12px; }
.access-text p { color: var(--text-mid); font-size: .88rem; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; margin-bottom: 8px; line-height: 1.8; }
.access-route { margin-top: 28px; display: flex; flex-direction: column; gap: 20px; }
.access-route strong { font-size: .85rem; color: var(--green-dark); display: block; margin-bottom: 4px; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.access-route p { font-size: .82rem; color: var(--text-mid); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }
.map-placeholder { background: #ddd; height: 300px; display: flex; align-items: center; justify-content: center; color: #888; font-size: .85rem; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; }

/* Book CTA */
.book-cta { padding: 120px 0; background: var(--green-dark); color: #fff; text-align: center; }
.book-cta h2 { color: #fff; }
.book-cta p { color: rgba(255,255,255,.75); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .92rem; margin-bottom: 36px; }
.btn-book { display: inline-block; padding: 18px 56px; background: var(--gold); color: var(--green-dark); text-decoration: none; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .95rem; font-weight: bold; letter-spacing: .1em; border-radius: 2px; transition: background .2s; margin-bottom: 32px; }
.btn-book:hover { background: #d4c888; }
.book-tel { color: rgba(255,255,255,.7); font-family: 'Hiragino Kaku Gothic ProN', sans-serif; font-size: .85rem; line-height: 2; }
.book-tel a { color: var(--gold); text-decoration: none; font-size: 1.1rem; }
.book-tel span { font-size: .78rem; }

/* Footer */
footer { background: #111; padding: 48px 0 24px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; }
.footer-logo { color: #fff; font-size: 1.2rem; letter-spacing: .1em; margin-bottom: 8px; }
.footer-address { color: rgba(255,255,255,.45); font-size: .78rem; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; line-height: 1.8; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; text-align: right; }
.footer-nav a { color: rgba(255,255,255,.5); text-decoration: none; font-size: .8rem; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; transition: color .2s; }
.footer-nav a:hover { color: var(--gold); }
.footer-copy { color: rgba(255,255,255,.3); font-size: .72rem; font-family: 'Hiragino Kaku Gothic ProN', sans-serif; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; }

/* Back to top */
#back-to-top { position: fixed; bottom: 28px; right: 28px; width: 44px; height: 44px; background: var(--gold); color: var(--green-dark); 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); }

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .about-grid, .food-grid, .access-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-img img, .food-img img { height: 280px; }
  .room-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-nav { text-align: left; }
  .onsen { padding: 80px 0; }
  .hero-text h1 { font-size: 1.8rem; }
}