:root{
  --paper: #f6f2ea;
  --paper2: #fbf8f2;
  --ink: #1b1a16;
  --muted: rgba(27,26,22,.72);
  --faint: rgba(27,26,22,.56);
  --line: rgba(27,26,22,.14);
  --shadow: 0 20px 60px rgba(0,0,0,.08);
  --radius: 18px;
  --radius2: 26px;
  --accent: #b28a3a; /* warm brass */
  --max: 1040px;
  --font-sans: "Hiragino Kaku Gothic ProN", "Hiragino Kaku Gothic Pro", "Hiragino Sans", "ヒラギノ角ゴ ProN W3", "ヒラギノ角ゴ Pro W3", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-latin: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Montserrat", system-ui, sans-serif;
}

*{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  width: 100%;
  overflow-x: hidden;
}
body{
  margin:0;
  color: var(--ink);
  background:
    radial-gradient(900px 520px at 16% -10%, rgba(178,138,58,.10), transparent 60%),
    radial-gradient(900px 520px at 88% 14%, rgba(27,26,22,.06), transparent 55%),
    linear-gradient(180deg, var(--paper2), var(--paper));
  font-family: var(--font-sans);
  letter-spacing:.01em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  width: 100%;
  overflow-x: hidden;
}

/* (waves removed) */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.07;
  background-image:
    radial-gradient(rgba(0,0,0,.18) 1px, transparent 1px);
  background-size: 18px 18px;
  mix-blend-mode: multiply;
}

a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

:focus-visible{
  outline: 2px solid rgba(178,138,58,.55);
  outline-offset: 3px;
}

.container{
  width:min(var(--max), calc(100% - 40px));
  margin-inline:auto;
}

.skipLink{
  position:absolute;
  left:-9999px;
  top:0;
  padding:12px 14px;
  background:#fff;
  color:#000;
  border-radius:12px;
  z-index:9999;
}
.skipLink:focus{left:16px;top:16px}

/* Header */
.header{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(246,242,234,.78);
  backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.header[data-elevate="true"]{
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(0,0,0,.06);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-family: var(--font-latin);
}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:28px;
  border-radius:999px;
  background: rgba(27,26,22,.06);
  border:1px solid rgba(27,26,22,.14);
  font-weight:800;
  letter-spacing:.10em;
}
.brand__name{
  letter-spacing:.22em;
  font-weight:700;
  font-size: 12px;
  opacity:.82;
}

.nav{display:flex; align-items:center; gap:12px; position:relative}
.nav__toggle{
  display:none;
  appearance:none;
  border:1px solid rgba(27,26,22,.14);
  background: rgba(27,26,22,.04);
  color: var(--ink);
  border-radius:999px;
  padding:10px 12px;
  cursor:pointer;
}
.nav__toggle:hover{background: rgba(27,26,22,.06)}
.nav__toggleLabel{font-size:13px; opacity:.9; margin-right:10px}
.nav__toggleIcon{
  display:inline-block;
  width:18px;height:2px;
  background: rgba(27,26,22,.86);
  position:relative;
  border-radius:99px;
}
.nav__toggleIcon::before,.nav__toggleIcon::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  background: rgba(27,26,22,.86);
  border-radius:99px;
}
.nav__toggleIcon::before{top:-6px}
.nav__toggleIcon::after{top:6px}

.nav__menu{
  display:flex;
  align-items:center;
  gap:14px;
}
.nav__link{
  font-size:13px;
  color: var(--muted);
  padding:10px 10px;
  border-radius: 999px;
  letter-spacing:.10em;
  font-family: var(--font-latin);
}
.nav__link:hover{
  color: var(--ink);
  background: rgba(27,26,22,.04);
}

/* Buttons */
.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:999px;
  padding:12px 16px;
  border:1px solid rgba(27,26,22,.16);
  background: rgba(27,26,22,.04);
  color: var(--ink);
  cursor:pointer;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
  font-weight:700;
  letter-spacing:.05em;
  font-family: var(--font-latin);
}
.button:hover{
  transform: translateY(-1px);
  background: rgba(27,26,22,.06);
  border-color: rgba(27,26,22,.20);
}
.button:active{transform: translateY(0)}
.button--primary{
  background: #6b7a3a;
  border-color: #6b7a3a;
  color: #e6d6b8;
}
.button--primary:hover{
  background: #758442;
  border-color: #758442;
  color: #f2e6ce;
}
.button--secondary{
  background: rgba(27,26,22,.05);
}
.button--ghost{
  background: transparent;
  border-color: rgba(27,26,22,.16);
}
.button--full{width:100%}
.button--small{padding:10px 14px; font-size:12px}

.link{
  color: var(--accent);
  font-weight:800;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}
.link:hover{filter: brightness(1.06)}

/* Hero：フルスクリーン・高級感 */
.hero{
  position: relative;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.hero__bg{
  position: absolute;
  inset: 0;
  height: 100vh;
  background-image: url("./images/hero.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero__overlay{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  pointer-events: none;
}
.hero__foreground{
  position: relative;
  z-index: 2;
  flex: 1;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 28px);
  padding: 80px 20px 40px;
  box-sizing: border-box;
}
.hero__copy{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: 0;
}
.hero__catch{
  margin: 0 0 16px;
  font-size: 28px;
  letter-spacing: 2px;
  line-height: 1.5;
  color: #fff;
  font-family: "Klee One", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}
.hero__title{
  margin: 0;
  font-size: 56px;
  font-weight: 700;
  letter-spacing: 4px;
  color: #fff;
  font-family: var(--font-latin);
}
.hero__sub{
  margin: 8px 0 0;
  font-size: 14px;
  letter-spacing: 3px;
  opacity: 0.8;
  color: #fff;
  font-family: var(--font-latin);
}
.hero__cta{
  display: inline-block;
  margin-top: 30px;
  padding: 16px 36px;
  border-radius: 40px;
  background: #6b7a3a;
  color: #e6d6b8;
  border: 1px solid #6b7a3a;
  font-size: 16px;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}
.hero__cta:hover{
  background: #758442;
  color: #f2e6ce;
  border-color: #758442;
}

/* Sections */
.section{
  padding: 120px 0;
}
.section--alt{
  background: rgba(255,255,255,.42);
  border-top: 0;
  border-bottom: 0;
}
.section__inner{display:grid; gap: 18px}
.section__header{
  display:grid;
  gap: 8px;
}
.section__title{
  margin:0;
  font-family: var(--font-latin);
  letter-spacing:.24em;
  text-transform: uppercase;
  font-size: 28px;
}
.section__lead{
  margin:0;
  color: var(--muted);
  line-height:1.95;
}

.prose{
  color: var(--muted);
  line-height:2.05;
}
.prose p{margin: 0 0 14px}
.prose p:last-child{margin-bottom:0}
.section--about .prose figure{
  margin: 24px 0;
}
.section--about .prose figure img{
  display:block;
  width:100%;
  border-radius:24px;
  box-shadow: var(--shadow);
}

.list{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height:2.0;
}

/* Facility */
.facility-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.facility-card{
  border-radius: 20px;
  padding: 24px 22px 22px;
  border:1px solid rgba(27,26,22,.12);
  background: rgba(255,255,255,.66);
  box-shadow: var(--shadow);
  text-align:left;
}
.facility-card img{
  display:block;
  width:100%;
  height:200px;
  object-fit:cover;
  border-radius: 18px;
  margin-bottom:16px;
}
.facility-card__title{
  margin:0 0 10px;
  font-size: 18px;
  letter-spacing:.10em;
  font-family: var(--font-latin);
}
.facility-card__text{
  margin:0;
  color: var(--muted);
  line-height:2.0;
}

/* Gallery (Swiper slider) */
#gallery{
  overflow: hidden;
}
#gallery .section__inner{
  min-width: 0;
}
.gallery-slider{
  width:100%;
  max-width:1100px;
  margin:0 auto;
  min-width: 0;
  overflow: hidden;
}
.swiper{
  width:100%;
  height:400px;
  min-width: 0;
  overflow: hidden;
}
.swiper-wrapper{
  min-width: 0;
}
.swiper-slide{
  border-radius:18px;
  overflow:hidden;
  box-shadow: var(--shadow);
  min-width: 0;
}
.swiper-slide img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.swiper-pagination-bullet{
  background: rgba(27,26,22,.35);
}
.swiper-pagination-bullet-active{
  background: rgba(27,26,22,.85);
}

.note{
  color: var(--faint);
  line-height:1.9;
  margin: 0;
  font-size: 12.8px;
}

/* Keep Instagram embed within viewport on mobile */
.instagram-media{
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
  margin-inline: auto !important;
}
#instagram .section__inner{
  overflow: hidden;
}
.instagram-media iframe{
  width: 100% !important;
  max-width: 100% !important;
  min-width: 0 !important;
}

/* Amenity */
.amenity{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

/* Flow */
.flow{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.flow__step{
  border-radius: 20px;
  padding: 32px 22px 22px;
  border:1px solid rgba(27,26,22,.12);
  background: rgba(255,255,255,.66);
  box-shadow: var(--shadow);
  text-align:left;
  position:relative;
}
.flow__step img{
  display:block;
  width:100%;
  height:200px;
  object-fit:cover;
  border-radius: 18px;
  margin-bottom:16px;
}
.flow__num{
  margin:0;
  font-family: var(--font-latin);
  letter-spacing:.22em;
  color: rgba(27,26,22,.45);
  font-weight:700;
  font-size: 12px;
  position:absolute;
  left:22px;
  top:-12px;
  padding:4px 10px;
  border-radius:999px;
  background: var(--paper2);
  border:1px solid rgba(27,26,22,.14);
}
.flow__title{
  margin:0 0 10px;
  font-family: var(--font-latin);
  letter-spacing:.10em;
  font-size: 18px;
}
.flow__text{
  margin:0;
  color: var(--muted);
  line-height:2.0;
}
/* Price: 画像付きプランカード */
#price.section{
  padding: 120px 0;
}
.price-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 560px;
  margin: 0 auto;
}
.price-card{
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  padding: 0;
  overflow: hidden;
  text-align: left;
  transition: transform .18s ease, box-shadow .18s ease;
}
.price-card:hover{
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.10);
}
.price-card__img{
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.price-card__body{
  padding: 30px;
}
.price-card__name{
  margin: 0 0 12px;
  font-size: 18px;
  letter-spacing: .06em;
  color: rgba(27,26,22,.92);
}
.price-card__price{
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-latin);
  letter-spacing: .03em;
  color: rgba(27,26,22,.92);
}
/* 人数料金サブカード（Recommended Group Price） */
.price-card__group-price{
  margin: 18px 0;
}
.price-card__group-price-label{
  margin: 0 0 10px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  color: #666;
  text-transform: uppercase;
  font-family: var(--font-latin);
}
.price-card__group-price-boxes{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.price-card__group-box{
  min-width: 0;
  background: #f5f5f5;
  padding: 14px 18px;
  border-radius: 10px;
  text-align: center;
}
.price-card__group-num{
  display: block;
  font-size: 13px;
  letter-spacing: 1px;
  color: #666;
  margin-bottom: 6px;
}
.price-card__group-value{
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: rgba(27,26,22,.92);
}
.price-card__desc{
  margin: 0;
  color: var(--muted);
  line-height: 2.0;
  font-size: 14px;
}
.price-cta{
  text-align: center;
  margin-top: 44px;
}
.price-cta__btn{
  display: inline-block;
  padding: 16px 40px;
  border-radius: 30px;
  background: #6b7a3a;
  color: #e6d6b8;
  border: 1px solid #6b7a3a;
  font-size: 18px;
  text-decoration: none;
  transition: background .2s ease, transform .1s ease;
}
.price-cta__btn:hover{
  background: #758442;
  color: #f2e6ce;
  border-color: #758442;
}
.price-cta__btn:active{
  transform: scale(0.98);
}
.amenity__block{
  border:1px solid rgba(27,26,22,.10);
  border-radius: 16px;
  background: rgba(255,255,255,.55);
  padding: 14px 14px;
  box-shadow: var(--shadow);
}
.amenity__title{
  margin:0;
  font-family: var(--font-latin);
  letter-spacing:.20em;
  text-transform: uppercase;
  font-size: 12px;
}
.amenity__text{
  margin: 10px 0 0;
  color: var(--muted);
  line-height:2.0;
}

/* Access */
.access{
  border:1px solid rgba(27,26,22,.10);
  border-radius: 18px;
  background: rgba(255,255,255,.80);
  padding: 18px 18px;
  box-shadow: var(--shadow);
  display:grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 16px;
}
.access__info{min-width:0}
.access__map iframe{border-radius: 16px; box-shadow: var(--shadow);}
.kv{margin:0}
.kv__row{
  display:grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-top:1px solid rgba(27,26,22,.10);
}
.kv__row:first-child{border-top:0; padding-top:6px}
.kv dt{color: var(--faint); font-family: var(--font-latin); letter-spacing:.12em; font-size: 12px}
.kv dd{margin:0; color: var(--muted); line-height:1.9}

/* FAQ */
.faq{display:grid; gap: 10px}
.faq__item{
  border-radius: 16px;
  border:1px solid rgba(27,26,22,.10);
  background: rgba(255,255,255,.55);
  overflow:hidden;
  box-shadow: var(--shadow);
}
.faq__q{
  cursor:pointer;
  list-style:none;
  padding: 14px 14px;
  font-weight:700;
  letter-spacing:.02em;
}
.faq__q::-webkit-details-marker{display:none}
.faq__q::after{
  content:"+";
  float:right;
  opacity:.65;
  font-family:Montserrat, system-ui, sans-serif;
}
details[open] .faq__q::after{content:"–"}
.faq__a{
  padding: 0 14px 14px;
  color: var(--muted);
  line-height:2.0;
}

/* Contact */
.contact{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:start;
}

.form{
  border-radius: 18px;
  padding: 14px;
  border:1px solid rgba(27,26,22,.10);
  background: rgba(255,255,255,.55);
  box-shadow: var(--shadow);
}
.form__row{display:grid; gap:8px; margin-bottom:12px}
.form__label{
  font-size: 12px;
  color: var(--faint);
  letter-spacing:.12em;
  font-family: var(--font-latin);
}
.form__control{
  width:100%;
  border-radius: 14px;
  padding: 12px 12px;
  border:1px solid rgba(27,26,22,.14);
  background: rgba(255,255,255,.78);
  color: var(--ink);
  outline:none;
}
textarea.form__control{resize: vertical}
.form__control:focus{
  border-color: rgba(178,138,58,.42);
  box-shadow: 0 0 0 4px rgba(178,138,58,.12);
}
.form__hint{
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 12.5px;
  line-height:1.75;
}

/* Booking */
.booking{
  padding: 120px 20px 140px;
  border-top: 1px solid rgba(27,26,22,.10);
  background: rgba(255,255,255,.42);
}
.booking__inner{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items:center;
}
.booking__title{
  margin:0;
  font-family: var(--font-latin);
  letter-spacing:.24em;
  text-transform: uppercase;
  font-size: 18px;
}
.booking__text{
  margin: 10px 0 0;
  color: var(--muted);
  line-height:2.0;
}
.booking__btn{
  margin-top: 14px;
  background: #6b7a3a;
  border-color: #6b7a3a;
  color: #e6d6b8;
}
.booking__btn:hover{
  background: #758442;
  border-color: #758442;
  color: #f2e6ce;
}
.booking__frameWrap{
  width: min(1100px, 100%);
  margin: 26px auto 0;
  border-radius: 20px;
  overflow:hidden;
  box-shadow: var(--shadow);
}
.booking__frameWrap iframe{display:block}

/* Remove background images for cleaner waves */
.section--about,
.section--access,
.section--facility{
  position:relative;
  overflow:visible;
}

/* Scroll animation */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.is-visible{
  opacity:1;
  transform:translateY(0);
}

/* Footer */
.footer{
  border-top:1px solid rgba(27,26,22,.10);
  padding: 22px 0 34px;
  color: var(--muted);
}
.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
}
.footer__brand{
  margin:0;
  font-family: var(--font-latin);
  font-weight:800;
  color: var(--ink);
  letter-spacing:.18em;
}
.footer__small{margin:8px 0 0; font-size: 12.5px; color: var(--faint)}
.footer__right{display:flex; gap:14px; flex-wrap:wrap; justify-content:flex-end}
.footer__link{color: var(--muted); letter-spacing:.08em; font-family: var(--font-latin); font-size: 12px}
.footer__link:hover{color: var(--ink)}

/* Sticky booking button (mobile) */
.sticky-booking{
  position:fixed;
  left:50%;
  bottom:20px;
  transform:translateX(-50%);
  width:90%;
  max-width:420px;
  padding:14px 18px;
  border-radius:999px;
  background:#6b7a3a;
  color:#e6d6b8;
  border: 1px solid #6b7a3a;
  text-align:center;
  font-weight:700;
  letter-spacing:.12em;
  font-size:13px;
  box-shadow:0 14px 40px rgba(0,0,0,.45);
  z-index:60;
  display:none;
  opacity:0;
  transform: translateX(-50%) translateY(10px);
  pointer-events:none;
  transition: opacity .2s ease, transform .2s ease;
}
.sticky-booking:hover{
  background:#758442;
  color:#f2e6ce;
  border-color:#758442;
}
.sticky-booking--visible{display:block}
.sticky-booking--visible{
  opacity:1;
  transform: translateX(-50%) translateY(0);
  pointer-events:auto;
}

/* Responsive */
@media (max-width: 980px){
  .section{padding: 80px 0}
  #price.section{padding: 80px 0}
  .facility-grid{grid-template-columns: 1fr}
  .flow{grid-template-columns: 1fr}
  .price-grid{grid-template-columns: 1fr; gap: 24px}
  .amenity{grid-template-columns: 1fr}
  .contact{grid-template-columns: 1fr}
  .booking__inner{grid-template-columns: 1fr}
  .access{grid-template-columns: 1fr}
  .hero{min-height: 90vh}
  .hero__bg{height: 90vh}
  .hero__foreground{min-height: 90vh; padding-top: 72px}
  .hero__title{font-size: 36px}

  .nav__toggle{display:inline-flex; align-items:center}
  .nav__menu{
    position:absolute;
    right: 0;
    top: 54px;
    width: min(360px, calc(100vw - 40px));
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding: 12px;
    border-radius: 18px;
    border:1px solid rgba(27,26,22,.14);
    background: rgba(246,242,234,.94);
    box-shadow: 0 16px 40px rgba(0,0,0,.10);
    transform-origin: 92% 0%;
    transform: translateY(-4px) scale(.985);
    opacity: 0;
    pointer-events:none;
    transition: opacity .16s ease, transform .16s ease;
  }
  .nav__menu[data-open="true"]{
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events:auto;
  }
  .nav__link{
    padding: 12px 12px;
    border-radius: 14px;
    background: rgba(27,26,22,.03);
  }
  .sticky-booking{display:block}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .button, .nav__menu, .header{transition:none}
}