/* ===========================
   GOTO ISLAND RESORT
   High-end Hotel CSS
=========================== */

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

:root {
  --gold: #C9A84C;
  --gold-light: #E8D5A3;
  --gold-dark: #9A7A2E;
  --dark: #1A1A1A;
  --dark-bg: #111111;
  --text: #2C2C2C;
  --text-light: #6B6B6B;
  --white: #FFFFFF;
  --cream: #F8F5EE;
  --cream-dark: #EDE9DE;
  --font-en: 'Cormorant Garamond', serif;
  --font-ja: 'Noto Serif JP', serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-ja);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ===========================
   コンテナ
=========================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===========================
   ナビゲーション
=========================== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s ease, padding 0.4s ease;
  padding: 24px 0;
}

#navbar.scrolled {
  background: rgba(17, 17, 17, 0.96);
  backdrop-filter: blur(10px);
  padding: 14px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-logo .logo-en {
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--white);
  line-height: 1;
}

.nav-logo .logo-ja {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  line-height: 1;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

.nav-links a {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.85);
  transition: color 0.3s;
  font-family: var(--font-ja);
  font-weight: 300;
}

.nav-links a:hover {
  color: var(--gold);
}

.nav-links .nav-reserve {
  border: 1px solid var(--gold);
  padding: 10px 20px;
  color: var(--gold);
  transition: all 0.3s;
}

.nav-links .nav-reserve:hover {
  background: var(--gold);
  color: var(--dark);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 1px;
  background: var(--white);
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  background: rgba(17,17,17,0.97);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.mobile-menu.open {
  display: block;
  max-height: 400px;
  padding: 20px 0 30px;
}

.mobile-menu ul {
  list-style: none;
  text-align: center;
}

.mobile-menu ul li a {
  display: block;
  padding: 14px 20px;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  transition: color 0.3s;
}

.mobile-menu ul li a:hover {
  color: var(--gold);
}

/* ===========================
   ヒーロー
=========================== */
#hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.hero-slide.active {
  opacity: 1;
}

/* 写真がない場合のデフォルト背景 */
.hero-slide:nth-child(1) {
  background-image: linear-gradient(135deg, #1a3a5c 0%, #2d6a8f 30%, #1e4d6b 60%, #0f2d45 100%);
}
.hero-slide:nth-child(2) {
  background-image: linear-gradient(135deg, #1c4a2e 0%, #2d7a4f 30%, #1e5a35 60%, #0f2d1a 100%);
}
.hero-slide:nth-child(3) {
  background-image: linear-gradient(135deg, #3d2a1a 0%, #6b4a2d 30%, #4d3520 60%, #2d1f10 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.2) 0%,
    rgba(0,0,0,0.05) 40%,
    rgba(0,0,0,0.5) 100%
  );
}

.hero-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  z-index: 2;
}

.hero-tagline {
  font-family: var(--font-ja);
  font-weight: 200;
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 20px;
  line-height: 2;
  animation: fadeUp 1.2s ease 0.3s both;
}

.hero-title {
  font-family: var(--font-en);
  font-size: clamp(2.8rem, 8vw, 6.5rem);
  font-weight: 300;
  color: var(--white);
  letter-spacing: 0.1em;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeUp 1.2s ease 0.6s both;
}

.hero-title span {
  color: var(--gold);
  font-style: italic;
}

.hero-sub {
  font-family: var(--font-ja);
  font-weight: 200;
  font-size: clamp(0.75rem, 1.5vw, 0.95rem);
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.75);
  margin-bottom: 48px;
  animation: fadeUp 1.2s ease 0.9s both;
}

.btn-hero {
  display: inline-block;
  padding: 16px 40px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-ja);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  font-weight: 300;
  transition: all 0.4s;
  animation: fadeUp 1.2s ease 1.2s both;
}

.btn-hero:hover {
  background: var(--gold);
  color: var(--dark);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
  animation: fadeIn 2s ease 2s both;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: rgba(255,255,255,0.6);
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

.hero-dots {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 2;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s;
}

.dot.active {
  background: var(--gold);
  transform: scale(1.4);
}

/* ===========================
   セクション共通
=========================== */
.section-label {
  font-family: var(--font-en);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
}

.section-title {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.5;
  color: var(--dark);
  margin-bottom: 24px;
}

.section-header {
  text-align: center;
  padding: 80px 40px 60px;
}

.section-desc {
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--text-light);
  letter-spacing: 0.05em;
}

/* ===========================
   写真プレースホルダー
=========================== */
.photo-placeholder {
  position: relative;
  overflow: hidden;
  background: var(--cream-dark);
}

.photo-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.placeholder-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 0;
  text-align: center;
  padding: 20px;
}

.placeholder-inner i {
  font-size: 2rem;
  color: #B8A882;
  opacity: 0.6;
}

.placeholder-inner span {
  font-size: 0.75rem;
  color: #8C7D5C;
  letter-spacing: 0.1em;
  font-weight: 300;
}

.placeholder-inner.large i {
  font-size: 3rem;
}

.placeholder-inner.large span {
  font-size: 0.9rem;
}

/* ===========================
   コンセプトセクション
=========================== */
.section-concept {
  background: var(--cream);
  padding: 100px 0;
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.concept-text .section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.concept-desc {
  font-size: 0.9rem;
  line-height: 2.4;
  color: var(--text-light);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
}

.concept-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 300;
  letter-spacing: 0.1em;
}

.feature-item i {
  width: 20px;
  color: var(--gold);
  font-size: 0.9rem;
}

.concept-images {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 16px;
  height: 560px;
}

.concept-img-main {
  height: 100%;
  border-radius: 2px;
}

.concept-img-sub {
  height: 160px;
  border-radius: 2px;
}

/* ===========================
   客室セクション
=========================== */
.section-rooms {
  padding: 80px 0 0;
  background: var(--white);
}

.section-rooms .section-header .section-title {
  color: var(--dark);
}

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
}

.room-card {
  position: relative;
  overflow: hidden;
}

.room-img {
  height: 420px;
  position: relative;
  overflow: hidden;
}

.room-img:hover img {
  transform: scale(1.05);
}

.room-img img {
  transition: transform 0.7s ease;
}

.room-tag {
  position: absolute;
  top: 24px;
  left: 24px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  color: var(--gold);
  font-family: var(--font-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  padding: 6px 14px;
  z-index: 2;
}

.room-info {
  padding: 36px 40px;
  background: var(--cream);
}

.room-info h3 {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  color: var(--dark);
}

.room-info p {
  font-size: 0.85rem;
  line-height: 2;
  color: var(--text-light);
  font-weight: 300;
  margin-bottom: 20px;
}

.room-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
}

.room-meta span {
  font-size: 0.78rem;
  color: var(--text-light);
  font-weight: 300;
  display: flex;
  align-items: center;
  gap: 8px;
}

.room-meta i {
  color: var(--gold);
  font-size: 0.8rem;
}

.btn-room {
  display: inline-block;
  padding: 10px 24px;
  border: 1px solid var(--gold-dark);
  color: var(--gold-dark);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  transition: all 0.3s;
}

.btn-room:hover {
  background: var(--gold-dark);
  color: var(--white);
}

.room-gallery-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  height: 260px;
}

.gallery-item {
  height: 100%;
  cursor: pointer;
  transition: opacity 0.3s;
}

.gallery-item:hover {
  opacity: 0.85;
}

/* ===========================
   酸素カプセル
=========================== */
.section-oxygen {
  background: var(--dark-bg);
  padding: 100px 0;
}

.oxygen-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.oxygen-img {
  height: 500px;
  border-radius: 2px;
}

.oxygen-text .section-label {
  color: var(--gold);
}

.oxygen-text .section-title {
  color: var(--white);
}

.oxygen-text p {
  font-size: 0.9rem;
  line-height: 2.4;
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}

.btn-outline {
  display: inline-block;
  padding: 14px 32px;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  transition: all 0.3s;
}

.btn-outline:hover {
  background: var(--gold);
  color: var(--dark);
}

/* ===========================
   レストランセクション
=========================== */
.section-restaurant {
  background: var(--cream);
  padding-bottom: 100px;
}

.section-restaurant .section-header {
  background: var(--cream);
}

.restaurant-hero {
  height: 500px;
  max-width: 1400px;
  margin: 0 auto 60px;
}

.menu-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid #D5CCB8;
  margin-bottom: 50px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 16px 36px;
  font-family: var(--font-ja);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  color: var(--text-light);
  font-weight: 300;
  cursor: pointer;
  transition: all 0.3s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--gold-dark);
  border-bottom-color: var(--gold-dark);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.menu-card {
  background: var(--white);
  overflow: hidden;
}

.menu-img {
  height: 260px;
}

.menu-info {
  padding: 28px;
}

.menu-info h4 {
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  color: var(--dark);
}

.menu-info p {
  font-size: 0.83rem;
  line-height: 2;
  color: var(--text-light);
  font-weight: 300;
}

/* ===========================
   アクティビティ
=========================== */
.section-activities {
  background: var(--white);
  padding-bottom: 0;
}

.activities-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
}

.activity-card {
  position: relative;
  overflow: hidden;
}

.activity-img {
  height: 500px;
}

.activity-info {
  padding: 48px 44px;
  background: var(--dark);
  color: var(--white);
}

.activity-card.large .activity-info {
  background: var(--dark-bg);
}

.activity-info h3 {
  font-family: var(--font-ja);
  font-weight: 300;
  font-size: 1.3rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  color: var(--white);
}

.activity-info p {
  font-size: 0.85rem;
  line-height: 2.2;
  color: rgba(255,255,255,0.65);
  font-weight: 300;
  margin-bottom: 32px;
}

.btn-outline-dark {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid rgba(255,255,255,0.5);
  color: rgba(255,255,255,0.8);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  transition: all 0.3s;
}

.btn-outline-dark:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.activities-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  height: 300px;
}

.activity-photo {
  height: 100%;
}

/* ===========================
   アメニティ
=========================== */
.section-amenities {
  background: var(--cream);
  padding: 100px 0;
}

.amenities-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.amenities-text .section-title {
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
}

.amenities-text p {
  font-size: 0.9rem;
  line-height: 2.4;
  color: var(--text-light);
  font-weight: 300;
  margin-bottom: 32px;
}

.amenity-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.amenity-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 300;
  letter-spacing: 0.08em;
}

.amenity-item i {
  color: var(--gold);
  font-size: 0.75rem;
}

.amenity-img-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 480px;
}

.amenity-img {
  border-radius: 2px;
}

/* ===========================
   アクセス
=========================== */
.section-access {
  background: var(--white);
  padding: 100px 0;
}

.access-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 20px;
}

.access-block {
  margin-bottom: 36px;
}

.access-block h4 {
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--dark);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.access-block h4 i {
  color: var(--gold);
  font-size: 0.85rem;
}

.access-block p {
  font-size: 0.85rem;
  line-height: 2.2;
  color: var(--text-light);
  font-weight: 300;
  padding-left: 26px;
}

.access-map {
  height: 400px;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  background: var(--cream-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border-radius: 2px;
}

.map-placeholder i {
  font-size: 3rem;
  color: #B8A882;
  opacity: 0.7;
}

.map-placeholder p {
  font-size: 1rem;
  color: #8C7D5C;
  font-weight: 300;
  letter-spacing: 0.15em;
}

.map-placeholder span {
  font-size: 0.8rem;
  color: #A89870;
  font-weight: 300;
  letter-spacing: 0.1em;
}

/* ===========================
   予約・お問い合わせ
=========================== */
.section-contact {
  position: relative;
  min-height: 600px;
  overflow: hidden;
}

.contact-bg {
  position: absolute;
  inset: 0;
  height: 100%;
}

.contact-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a3a5c 0%, #0f2d45 100%);
  z-index: 0;
}

.contact-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.contact-bg img {
  z-index: 1;
}

.contact-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 40px;
  min-height: 600px;
}

.section-title.light {
  color: var(--white);
}

.section-label.light {
  color: var(--gold);
}

.contact-desc {
  font-size: 0.9rem;
  line-height: 2.2;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  margin-bottom: 50px;
  letter-spacing: 0.05em;
}

.contact-options {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 36px;
}

.contact-btn {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 36px;
  border: 1px solid rgba(255,255,255,0.3);
  transition: all 0.4s;
  min-width: 280px;
}

.contact-btn:hover {
  border-color: var(--gold);
  background: rgba(201, 168, 76, 0.1);
}

.contact-btn i {
  font-size: 1.4rem;
  color: var(--gold);
}

.contact-btn div {
  text-align: left;
}

.btn-label {
  display: block;
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.btn-number {
  display: block;
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--white);
  letter-spacing: 0.08em;
  font-weight: 300;
}

.btn-sub {
  display: block;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.05em;
}

.reception-hours {
  color: rgba(255,255,255,0.5);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.reception-hours i {
  color: var(--gold);
}

/* ===========================
   フッター
=========================== */
footer {
  background: var(--dark-bg);
  padding: 60px 40px 40px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 40px;
}

.footer-logo .logo-en {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  color: var(--white);
}

.footer-logo .logo-ja {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  color: var(--gold);
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-bottom: 36px;
}

.footer-nav a {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
  font-weight: 300;
}

.footer-nav a:hover {
  color: var(--gold);
}

.footer-info {
  margin-bottom: 30px;
}

.footer-info p {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 2;
}

.footer-copy {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.1em;
  font-weight: 300;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
}

/* ===========================
   アニメーション
=========================== */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.3; transform: scaleY(0.5); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   レスポンシブ
=========================== */
@media (max-width: 1024px) {
  .concept-grid,
  .oxygen-inner,
  .amenities-inner {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .concept-images {
    height: 400px;
  }

  .rooms-grid {
    grid-template-columns: 1fr;
  }

  .activities-grid {
    grid-template-columns: 1fr;
  }

  .access-grid {
    grid-template-columns: 1fr;
  }

  .menu-grid {
    grid-template-columns: 1fr 1fr;
  }

  .activities-photos {
    grid-template-columns: repeat(3, 1fr);
    height: 220px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .container {
    padding: 0 20px;
  }

  .hero-title {
    font-size: 2.6rem;
  }

  .section-header {
    padding: 60px 20px 40px;
  }

  .hero-dots {
    right: 20px;
  }

  .concept-grid {
    padding: 0 20px;
  }

  .oxygen-inner {
    padding: 0 20px;
  }

  .room-gallery-strip {
    grid-template-columns: repeat(2, 1fr);
    height: auto;
  }

  .gallery-item {
    height: 150px;
  }

  .menu-grid {
    grid-template-columns: 1fr;
  }

  .activities-photos {
    grid-template-columns: 1fr;
    height: auto;
  }

  .activity-photo {
    height: 200px;
  }

  .amenity-img-grid {
    height: 320px;
  }

  .contact-btn {
    min-width: 100%;
  }

  .footer-nav {
    gap: 20px;
  }

  .room-img {
    height: 280px;
  }

  .activity-img {
    height: 280px;
  }
}

@media (max-width: 480px) {
  .hero-tagline {
    font-size: 0.8rem;
  }

  .hero-sub {
    font-size: 0.72rem;
  }

  .nav-inner {
    padding: 0 20px;
  }

  .section-concept,
  .section-oxygen,
  .section-amenities,
  .section-access {
    padding: 60px 0;
  }

  .amenity-img-grid {
    height: 240px;
    gap: 8px;
  }
}

/* ===========================
   ストーリーセクション
=========================== */
.section-story {
  background: var(--white);
  padding: 100px 0 60px;
}

.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 70px;
}

.story-desc {
  font-size: 0.9rem;
  line-height: 2.6;
  color: var(--text-light);
  font-weight: 300;
  letter-spacing: 0.05em;
}

.story-desc strong {
  color: var(--gold-dark);
  font-weight: 400;
}

.story-img {
  height: 480px;
  border-radius: 2px;
}

.story-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--cream-dark);
}

.value-item {
  text-align: center;
  padding: 40px 20px;
}

.value-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--cream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.value-icon i {
  font-size: 1.3rem;
  color: var(--gold-dark);
}

.value-item h4 {
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: var(--dark);
  margin-bottom: 12px;
}

.value-item p {
  font-size: 0.82rem;
  line-height: 2;
  color: var(--text-light);
  font-weight: 300;
}

/* ===========================
   追加アクティビティ
=========================== */
.extra-activities {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-bottom: 80px;
}

.extra-act-card {
  background: var(--cream);
  overflow: hidden;
}

.extra-act-img {
  height: 200px;
}

.extra-act-info {
  padding: 24px 20px;
}

.extra-act-info h4 {
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--dark);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.extra-act-info h4 i {
  color: var(--gold);
  font-size: 0.85rem;
}

.extra-act-info p {
  font-size: 0.8rem;
  line-height: 2;
  color: var(--text-light);
  font-weight: 300;
}

/* ===========================
   クラウドファンディング
=========================== */
.section-crowdfunding {
  position: relative;
  overflow: hidden;
}

.cf-inner {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
}

.cf-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a2a1a 0%, #2d4a2d 40%, #1a3a2a 100%);
  z-index: 0;
}

.cf-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="60" height="60"><rect width="60" height="60" fill="none"/><circle cx="30" cy="30" r="1" fill="rgba(201,168,76,0.08)"/></svg>');
}

.cf-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 80px 40px;
  text-align: center;
}

.cf-content .section-title.light {
  color: var(--white);
}

.cf-desc {
  font-size: 0.9rem;
  line-height: 2.4;
  color: rgba(255,255,255,0.75);
  font-weight: 300;
  margin-bottom: 48px;
  letter-spacing: 0.05em;
}

.cf-desc strong {
  color: var(--gold-light);
}

.cf-points {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.cf-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.cf-point i {
  font-size: 1.6rem;
  color: var(--gold);
}

.btn-cf {
  display: inline-block;
  padding: 18px 48px;
  background: var(--gold);
  color: var(--dark);
  font-family: var(--font-ja);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  font-weight: 400;
  transition: all 0.3s;
  margin-bottom: 20px;
}

.btn-cf:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.cf-note {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

/* ===========================
   レスポンシブ追加
=========================== */
@media (max-width: 1024px) {
  .story-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .story-values {
    grid-template-columns: repeat(3, 1fr);
  }

  .extra-activities {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .story-values {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .extra-activities {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .cf-points {
    gap: 30px;
  }

  .story-img {
    height: 300px;
  }
}

@media (max-width: 480px) {
  .extra-activities {
    grid-template-columns: 1fr;
  }

  .cf-content {
    padding: 60px 20px;
  }
}