/* ============================================================
   天ぷら たかだ — Master Stylesheet
   配色: 濃紺 × 白 × 金  /  フォント: Noto Serif JP
   ============================================================ */

/* ===== リセット・ベース ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy-deep:   #0a1128;
  --navy-mid:    #0d1a30;
  --navy-light:  #1a2744;
  --gold:        #c9a96e;
  --gold-dark:   #b8944d;
  --gold-glow:   rgba(201, 169, 110, 0.25);
  --white:       #ffffff;
  --text-light:  #e8e4dc;
  --text-body:   #d0c8bc;
  --text-muted:  #c8c0b4;
  --text-subtle: #ffffff;
  --text-dim:    #ffffff;
  --border-gold: rgba(201, 169, 110, 0.12);
  --font-main:   'Noto Serif JP', serif;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  font-weight: 200;
  background-color: var(--navy-deep);
  color: var(--text-body);
  line-height: 1.8;
  overflow-x: hidden;
  font-size: 16px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

::selection {
  background: var(--gold);
  color: var(--navy-deep);
}

/* ===== ページ遷移アニメーション ===== */
.page-wrapper {
  animation: pageIn 1s cubic-bezier(0.23, 1, 0.32, 1) both;
}

@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== スクロールアニメーション ===== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s cubic-bezier(0.23, 1, 0.32, 1),
              transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== ナビゲーション ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 20px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 17, 40, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-gold);
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.nav.scrolled {
  padding: 14px 60px;
  background: rgba(10, 17, 40, 0.95);
  border-bottom-color: rgba(201, 169, 110, 0.2);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--gold);
  transition: opacity 0.3s;
}

.nav-logo:hover .nav-logo-text {
  opacity: 0.7;
}

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

.nav-links a {
  position: relative;
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--text-subtle);
  transition: color 0.4s;
  padding: 8px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}

/* ハンバーガーメニュー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 1.5px;
  background: var(--gold);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== ヒーロー（トップページ） ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('../images/hero.jpg') center 55%/85% auto no-repeat;
  filter: brightness(0.4);
  transform: scale(1.05);
  transition: transform 8s ease-out;
}

.hero-bg.loaded {
  transform: scale(1);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 0 5vw;
  margin: auto 0;
}

.hero-logo {
  max-width: 320px;
  margin: 0 auto 24px;
  opacity: 0;
  animation: heroReveal 2.4s cubic-bezier(0.23, 1, 0.32, 1) 0.3s forwards;
}

.hero-logo-text {
  font-size: clamp(1.8rem, 7.5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: clamp(0.15em, 2vw, 0.45em);
  color: var(--white);
  opacity: 0;
  animation: heroReveal 2.4s cubic-bezier(0.23, 1, 0.32, 1) 0.3s forwards;
  white-space: nowrap;
}

.hero-sub {
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.6em;
  color: var(--gold);
  opacity: 0;
  animation: heroReveal 2s cubic-bezier(0.23, 1, 0.32, 1) 0.6s forwards;
  margin-bottom: 8px;
}

.hero-line {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 30px auto;
  opacity: 0;
  animation: heroLineExpand 2s cubic-bezier(0.23, 1, 0.32, 1) 1s forwards;
}

@keyframes heroLineExpand {
  from {
    opacity: 0;
    width: 0;
  }
  to {
    opacity: 1;
    width: 60px;
  }
}

.hero-concept {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  white-space: nowrap;
  color: var(--text-light);
  opacity: 0;
  animation: heroReveal 2s cubic-bezier(0.23, 1, 0.32, 1) 1.4s forwards;
}

@keyframes heroReveal {
  from {
    opacity: 0;
    transform: translateY(25px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-indicator {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  padding-bottom: 0;
  opacity: 0;
  animation: heroReveal 1.5s cubic-bezier(0.23, 1, 0.32, 1) 2s forwards;
}

.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--white), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.2; transform: scaleY(0.5); transform-origin: top; }
}

/* ===== 共通セクション ===== */
section {
  padding: 120px 40px;
}

.section-label {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.6em;
  color: var(--gold);
  text-align: center;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-align: center;
  margin-bottom: 18px;
  color: var(--white);
}

.section-line {
  width: 45px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 70px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

/* ===== トップ：導線ブロック ===== */
.top-nav-section {
  background: var(--navy-mid);
  padding: 120px 40px;
}

.top-nav-grid {
  display: flex;
  justify-content: center;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.top-nav-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  color: var(--text-light);
  cursor: pointer;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.top-nav-card:hover {
  transform: translateY(-8px);
}

/* ひし形 */
.top-nav-diamond {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(45deg);
  border: 1px solid var(--gold);
  position: relative;
  transition: border-color 0.5s, box-shadow 0.5s;
  animation: diamondFloat 4s ease-in-out infinite;
}

.top-nav-card:nth-child(2) .top-nav-diamond { animation-delay: -0.8s; }
.top-nav-card:nth-child(3) .top-nav-diamond { animation-delay: -1.6s; }
.top-nav-card:nth-child(4) .top-nav-diamond { animation-delay: -2.4s; }
.top-nav-card:nth-child(5) .top-nav-diamond { animation-delay: -3.2s; }

@keyframes diamondFloat {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(-8px); }
}

.diamond-inner {
  width: 60px;
  height: 60px;
  border: 1px solid rgba(201, 169, 110, 0.3);
  transform: rotate(0deg);
  transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1),
              border-color 0.5s,
              background 0.5s;
}

.top-nav-card:hover .top-nav-diamond {
  border-color: var(--gold);
  box-shadow: 0 0 30px var(--gold-glow), inset 0 0 20px rgba(201, 169, 110, 0.06);
  animation-play-state: paused;
  transform: rotate(45deg) translateY(-4px);
}

.top-nav-card:hover .diamond-inner {
  transform: rotate(90deg);
  border-color: var(--gold);
  background: rgba(201, 169, 110, 0.08);
}

.top-nav-card-title {
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--text-light);
  transition: color 0.4s;
}

.top-nav-card:hover .top-nav-card-title {
  color: var(--gold);
}

.top-nav-card-en {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.4em;
  color: var(--text-dim);
  transition: color 0.4s;
  margin-top: -10px;
}

.top-nav-card:hover .top-nav-card-en {
  color: var(--gold);
}

/* ===== トップ：予約ブロック ===== */
.top-reserve {
  background: var(--navy-deep);
  text-align: center;
}

/* ===== 想いページ ===== */
.omoi-section {
  background: var(--navy-mid);
  padding-top: 0;
  margin-top: -80px;
}

.omoi-photo {
  max-width: 187px;
  margin: 0 auto 60px;
  aspect-ratio: 3/4;
  background: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  overflow: hidden;
  position: relative;
}

.omoi-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1),
              filter 0.8s;
}

.omoi-photo:hover img {
  transform: scale(1.03);
  filter: grayscale(80%);
}

.omoi-text {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 2.8;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ===== お品書きページ ===== */
.menu-section {
  background: var(--navy-deep);
}

.course-block {
  max-width: 520px;
  margin: 0 auto 80px;
  text-align: center;
}

.course-block:last-of-type {
  margin-bottom: 0;
}

.course-label {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.6em;
  color: var(--gold);
  margin-bottom: 10px;
}

.course-title {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--white);
  margin-bottom: 6px;
}

.course-price {
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.course-price span {
  font-size: 0.85rem;
  color: var(--text-subtle);
}

.course-detail {
  display: block;
  font-size: 0.78em;
  color: var(--text-subtle);
  letter-spacing: 0.05em;
  margin-top: 6px;
  font-weight: 300;
}

.course-detail-list {
  display: block;
  text-align: center;
  margin-top: 6px;
}

.course-detail-list-inner {
  display: inline-block;
  text-align: left;
}

.course-detail-list .course-detail {
  margin-top: 4px;
}

.course-note-inline {
  font-size: 0.85rem;
  color: var(--white);
  margin-bottom: 36px;
  letter-spacing: 0.08em;
}

.course-items {
  list-style: none;
}

.course-items li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border-gold);
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  color: var(--gold);
  transition: color 0.3s, letter-spacing 0.4s;
}

.course-items li:first-child {
  border-top: 1px solid var(--border-gold);
}

.course-items li:hover {
  color: var(--text-light);
  letter-spacing: 0.25em;
}

.menu-note {
  text-align: center;
  margin-top: 60px;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 2;
}

/* ===== ギャラリーページ ===== */
.gallery-section {
  background: var(--navy-mid);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.gallery-item {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  background: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.75rem;
  position: relative;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 17, 40, 0);
  transition: background 0.5s;
  z-index: 1;
}

.gallery-item:hover::after {
  background: rgba(10, 17, 40, 0.2);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item.zoomed img {
  transform: scale(1.4);
}

.gallery-item.zoomed:hover img {
  transform: scale(1.48);
}

/* ライトボックス（拡大表示） */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 20, 0.96);
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s;
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-close {
  position: absolute;
  top: 0;
  right: 0;
  font-size: 2rem;
  color: var(--gold);
  cursor: pointer;
  background: none;
  border: none;
  padding: 3vh 4vw;
  line-height: 1;
  transition: transform 0.3s, opacity 0.3s;
  z-index: 201;
}

.lightbox-close:hover {
  transform: rotate(90deg);
  opacity: 0.7;
}

.lightbox img {
  max-width: 85%;
  max-height: 80vh;
  object-fit: contain;
  transform: scale(0.95);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.lightbox.active img {
  transform: scale(1);
}

/* ===== 店舗情報ページ ===== */
.info-section {
  background: var(--navy-deep);
}

.info-table {
  max-width: 700px;
  margin: 0 auto;
}

.info-row {
  display: flex;
  border-bottom: 1px solid var(--border-gold);
  padding: 24px 0;
  transition: background 0.3s;
}

.info-row:hover {
  background: rgba(201, 169, 110, 0.02);
}

.info-label {
  width: 150px;
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.info-value {
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.9;
}

.info-value a {
  color: var(--text-muted);
  transition: color 0.3s;
  position: relative;
}

.info-value a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.info-value a:hover {
  color: var(--gold);
}

.info-value a:hover::after {
  transform: scaleX(1);
}

/* アクセス */
.access-section {
  background: var(--navy-mid);
}

.exterior-photo {
  max-width: 760px;
  margin: 0 auto 50px;
  aspect-ratio: 16/9;
  background: var(--navy-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  overflow: hidden;
}

.exterior-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.exterior-photo:hover img {
  transform: scale(1.02);
}

.map-wrapper {
  max-width: 760px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--border-gold);
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.3) brightness(0.85);
  transition: filter 0.5s;
}

.map-wrapper:hover iframe {
  filter: grayscale(0) brightness(0.95);
}

.access-info {
  max-width: 760px;
  margin: 30px auto 0;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-subtle);
  line-height: 2.4;
}

/* ===== お知らせページ ===== */
.news-section {
  background: var(--navy-deep);
}

.news-list {
  max-width: 700px;
  margin: 0 auto;
  list-style: none;
}

.news-item {
  border-bottom: 1px solid var(--border-gold);
}

.news-item:first-child {
  border-top: 1px solid var(--border-gold);
}

.news-header {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 24px 16px;
  cursor: pointer;
  transition: color 0.3s, background 0.4s;
  position: relative;
}

.news-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: rgba(201, 169, 110, 0.03);
  transition: width 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.news-header:hover::before {
  width: 100%;
}

.news-header:hover {
  color: var(--gold);
}

.news-date {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-subtle);
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.news-title {
  font-size: 1rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text-light);
  transition: color 0.3s;
}

.news-header:hover .news-title {
  color: var(--gold);
}

.news-body {
  display: none;
  padding: 0 16px 24px;
  font-size: 0.95rem;
  font-weight: 200;
  line-height: 2.2;
  color: var(--text-subtle);
}

.news-body.open {
  display: block;
  animation: accordionIn 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes accordionIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== ご予約ページ ===== */
.reserve-section {
  background: var(--navy-mid);
  text-align: center;
}

.reserve-desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--text-subtle);
  margin-bottom: 20px;
  letter-spacing: 0.18em;
}

.reserve-info {
  max-width: 420px;
  margin: 0 auto 50px;
  font-size: 0.95rem;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 2.4;
}

.reserve-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.btn {
  display: inline-block;
  padding: 20px 56px;
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  border: 1px solid var(--gold);
  color: var(--gold);
  background: transparent;
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  min-width: 320px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 0;
}

.btn:hover::before {
  transform: scaleX(1);
}

.btn span,
.btn {
  position: relative;
  z-index: 1;
}

.btn:hover {
  color: var(--navy-deep);
  border-color: var(--gold);
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
}

.btn-primary::before {
  background: var(--gold-dark);
}

.btn-primary:hover {
  color: var(--navy-deep);
  border-color: var(--gold-dark);
  box-shadow: 0 8px 32px rgba(201, 169, 110, 0.25);
}

.reserve-note {
  margin-top: 36px;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-dim);
}

/* ===== トップへ戻るボタン ===== */
.back-to-top {
  position: fixed;
  top: 100px;
  right: 32px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold);
  background: rgba(10, 17, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

.back-to-top:hover {
  background: var(--gold);
  box-shadow: 0 4px 24px rgba(201, 169, 110, 0.3);
  transform: translateY(-3px);
}

.back-to-top-arrow {
  font-size: 1rem;
  color: var(--gold);
  line-height: 1;
  transition: color 0.4s;
}

.back-to-top:hover .back-to-top-arrow {
  color: var(--navy-deep);
}

.back-to-top-label {
  font-family: var(--font-main);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  color: var(--gold);
  margin-top: 2px;
  transition: color 0.4s;
}

.back-to-top:hover .back-to-top-label {
  color: var(--navy-deep);
}

/* ===== フッター ===== */
.footer {
  padding: 70px 40px 35px;
  text-align: center;
  background-color: #060b1a;
  border-top: 1px solid var(--border-gold);
}

.footer-logo {
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--gold);
  margin-bottom: 24px;
}

.footer-info {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-dim);
  line-height: 2.2;
  margin-bottom: 30px;
}

.footer-info a {
  transition: color 0.3s;
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin-bottom: 35px;
}

.footer-links a {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-subtle);
  letter-spacing: 0.12em;
  transition: color 0.3s;
  padding: 8px;
  position: relative;
}

.footer-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

.footer-links a:hover::after {
  transform: scaleX(1);
}

.footer-copy {
  font-size: 0.7rem;
  font-weight: 300;
  color: #2a3550;
  letter-spacing: 0.12em;
}

/* ===== 言語切り替えボタン ===== */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-main);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  margin-left: 24px;
  flex-shrink: 0;
}

.lang-toggle button {
  background: none;
  border: 1px solid rgba(201, 169, 110, 0.3);
  color: var(--text-dim);
  font-family: var(--font-main);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  white-space: nowrap;
}

.lang-toggle button:first-child {
  border-radius: 2px 0 0 2px;
}

.lang-toggle button:not(:last-child) {
  border-right: none;
}

.lang-toggle button:last-child {
  border-radius: 0 2px 2px 0;
}

.lang-toggle button.active {
  background: rgba(201, 169, 110, 0.15);
  color: var(--gold);
  border-color: var(--gold);
}

.lang-toggle button.active + button {
  border-left-color: var(--gold);
}

.lang-toggle button:hover:not(.active) {
  color: var(--text-light);
  border-color: rgba(201, 169, 110, 0.5);
}

/* ===== ページヘッダー（下層ページ共通） ===== */
.page-header {
  padding: 160px 40px 70px;
  text-align: center;
  background: linear-gradient(to bottom, var(--navy-deep), var(--navy-mid));
}

/* ============================================================
   デスクトップ強化（min-width: 1024px）
   ============================================================ */
@media (min-width: 1024px) {
  body {
    font-size: 17px;
  }

  .nav {
    padding: 22px 80px;
  }

  .nav.scrolled {
    padding: 16px 80px;
  }

  .hero-logo-text {
    font-size: clamp(3.5rem, 4vw, 3.8rem);
  }

  .hero-sub {
    font-size: 0.9rem;
    letter-spacing: 0.7em;
  }

  .hero-concept {
    font-size: 1.25rem;
    letter-spacing: 0.35em;
  }

  section {
    padding: 140px 60px;
  }

  .section-title {
    font-size: 2rem;
    letter-spacing: 0.35em;
  }

  .section-line {
    margin-bottom: 80px;
  }

  .top-nav-section {
    padding: 140px 60px;
  }

  .top-nav-grid {
    gap: 56px;
  }

  .top-nav-diamond {
    width: 100px;
    height: 100px;
  }

  .diamond-inner {
    width: 68px;
    height: 68px;
  }

  .top-nav-card-title {
    font-size: 1.05rem;
  }

  .omoi-text {
    font-size: 1.15rem;
    line-height: 3;
  }

  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    max-width: 1100px;
  }

  .info-table {
    max-width: 760px;
  }

  .info-row {
    padding: 28px 8px;
  }

  .info-label {
    width: 170px;
    font-size: 0.95rem;
  }

  .news-list {
    max-width: 760px;
  }

  .footer {
    padding: 80px 60px 40px;
  }

  .page-header {
    padding: 180px 60px 80px;
  }

  .reserve-buttons {
    flex-direction: row;
    justify-content: center;
    gap: 30px;
  }

  .btn {
    min-width: 300px;
  }

  .container {
    max-width: 960px;
  }

  .course-block {
    max-width: 560px;
    margin-bottom: 100px;
  }
}

/* ============================================================
   ワイドスクリーン（min-width: 1400px）
   ============================================================ */
@media (min-width: 1400px) {
  .nav {
    padding: 24px 120px;
  }

  .nav.scrolled {
    padding: 18px 120px;
  }

  .hero-logo-text {
    font-size: clamp(3.8rem, 4.5vw, 4.2rem);
  }

  .gallery-grid {
    max-width: 1200px;
    gap: 18px;
  }

  .container {
    max-width: 1000px;
  }

  section {
    padding: 160px 80px;
  }
}

/* ============================================================
   タブレット（min-width: 769px, max-width: 1023px）
   ============================================================ */
@media (min-width: 769px) and (max-width: 1023px) {
  .nav {
    padding: 18px 40px;
  }

  .nav-links {
    gap: 28px;
  }

  .nav-links a {
    font-size: 0.8rem;
  }

  .hero-logo-text {
    font-size: 2.8rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  section {
    padding: 100px 36px;
  }
}

/* ============================================================
   モバイル（max-width: 768px）
   ============================================================ */
@media (max-width: 768px) {
  .nav {
    padding: 14px 20px;
    backdrop-filter: blur(16px);
  }

  .nav.scrolled {
    padding: 12px 20px;
  }

  .nav-logo-text {
    font-size: 0.9rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10, 17, 40, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 36px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 12px;
    letter-spacing: 0.2em;
  }

  .nav-links a::after {
    display: none;
  }

  .hamburger {
    display: flex;
    z-index: 101;
  }

  .lang-toggle {
    margin-left: auto;
    margin-right: 12px;
  }

  .hero {
    height: 100svh;
  }

  .hero-bg {
    background-size: 100% auto;
    background-position: center 60%;
  }

  .hero-content {
    padding: 0 28px;
  }

  .hero-logo-text {
    font-size: clamp(1.6rem, 7.5vw, 2rem);
    letter-spacing: clamp(0.12em, 1.5vw, 0.25em);
  }

  .hero-sub {
    font-size: 0.75rem;
    letter-spacing: 0.4em;
  }

  .hero-concept {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
  }

  section {
    padding: 70px 20px;
  }

  .section-title {
    font-size: 1.35rem;
    letter-spacing: 0.2em;
  }

  .section-line {
    margin-bottom: 40px;
  }

  .top-nav-section {
    padding: 70px 20px;
  }

  .top-nav-grid {
    gap: 20px 32px;
  }

  .top-nav-diamond {
    width: 68px;
    height: 68px;
    animation: none;
  }

  .diamond-inner {
    width: 44px;
    height: 44px;
  }

  .top-nav-card {
    gap: 14px;
  }

  .top-nav-card-title {
    font-size: 0.9rem;
  }

  .top-nav-card-en {
    font-size: 0.55rem;
  }

  .info-row {
    flex-direction: column;
    gap: 6px;
    padding: 18px 0;
  }

  .info-label {
    width: auto;
    font-size: 0.85rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .btn {
    min-width: 260px;
    padding: 16px 32px;
    font-size: 0.95rem;
  }

  .reserve-buttons {
    gap: 18px;
  }

  .news-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 20px 10px;
  }

  .news-header::before {
    display: none;
  }

  .page-header {
    padding: 110px 20px 40px;
  }

  .omoi-photo {
    max-width: 140px;
    margin-bottom: 40px;
  }

  .omoi-text {
    font-size: 1rem;
    line-height: 2.5;
  }

  .course-block {
    margin-bottom: 60px;
  }

  .course-price {
    font-size: 1.5rem;
  }

  .footer {
    padding: 50px 20px 25px;
  }

  .footer-links {
    gap: 20px;
  }

  .footer-links a::after {
    display: none;
  }

  .scroll-indicator {
    padding-bottom: 3vh;
  }

  .back-to-top {
    top: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
}