/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-black: #1a1a1a;
  --color-dark: #2a2520;
  --color-white: #ffffff;
  --color-cream: #f8f5f0;
  --color-beige: #e8e4df;
  --color-accent: #8b6f4e;
  --color-accent-light: #b89b7a;
  --color-text: #333333;
  --color-text-light: #777777;
  --font-serif: 'Shippori Mincho', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 70px;
  padding: 0 30px;
}

.header-logo a {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-black);
  white-space: nowrap;
}

.hamburger {
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-black);
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.header-cta {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  padding: 8px 20px;
  background: #06c755;
  color: #fff;
  border-radius: 4px;
  transition: var(--transition);
}

.header-cta:hover {
  background: #05a847;
  color: var(--color-white);
}

/* ===== Sub Navigation ===== */
.subnav {
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--color-black);
  transition: var(--transition);
}

.subnav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 0;
}

.subnav a {
  display: block;
  padding: 14px 24px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  transition: var(--transition);
  position: relative;
}

.subnav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent-light);
  transition: var(--transition);
}

.subnav a:hover {
  color: #fff;
}

.subnav a:hover::after {
  width: 60%;
}

/* ===== Mobile Menu ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(26, 26, 26, 0.97);
  z-index: 98;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.mobile-menu-nav a {
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 0.15em;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.mobile-menu.active .mobile-menu-nav a {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active .mobile-menu-nav a:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-menu-nav a:nth-child(7) { transition-delay: 0.4s; }

/* ===== Hero ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-black);
  overflow: hidden;
}

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

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.hero-cta {
  display: inline-block;
  margin-top: 30px;
  padding: 14px 40px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  transition: var(--transition);
}

.hero-logo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 20px;
  opacity: 0;
  animation: fadeUp 1s 0.1s forwards;
}

.hero-cta:hover {
  background: #fff;
  color: var(--color-black);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 1s 0.3s forwards;
  color: var(--color-accent-light);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 5vw, 3.5rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  line-height: 1.6;
  margin-bottom: 30px;
  opacity: 0;
  animation: fadeUp 1s 0.6s forwards;
}

.hero-desc {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.12em;
  line-height: 2;
  opacity: 0;
  animation: fadeUp 1s 0.9s forwards;
  color: rgba(255, 255, 255, 0.8);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 2;
}

.hero-scroll span {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.6);
}

.hero-scroll-line {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-accent-light);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Section Common ===== */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  text-align: center;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 20px;
  color: var(--color-black);
}

.section-desc {
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 50px;
}

/* ===== Concept / About ===== */
.concept {
  padding: 120px 0;
  background: var(--color-white);
}

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 50px;
}

.concept-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.concept-highlight {
  font-weight: 500;
  color: var(--color-accent);
  margin-top: 8px;
}

.concept-lead {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 2;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  color: var(--color-black);
}

.concept-text p {
  font-size: 0.92rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 4px;
  margin-top: 16px;
  transition: var(--transition);
}

.text-link:hover {
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

/* ===== Lessons ===== */
.lessons {
  padding: 120px 0;
  background: var(--color-cream);
}

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

.lesson-card {
  background: var(--color-white);
  overflow: hidden;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(40px);
}

.lesson-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.lesson-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.lesson-card.visible:hover {
  transform: translateY(-4px);
}

.lesson-card-image {
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 180px;
}

.lesson-card-penguin { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
.lesson-card-dolphin { background: linear-gradient(135deg, #e0f7fa, #b2ebf2); }
.lesson-card-panda { background: linear-gradient(135deg, #f3e5f5, #e1bee7); }

.lesson-emoji {
  font-size: 4rem;
  transition: transform 0.6s ease;
}

.lesson-card:hover .lesson-emoji {
  transform: scale(1.15);
}

.lesson-duration {
  font-size: 0.8rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.price-unit {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.lesson-note {
  margin-top: 40px;
  background: var(--color-white);
  padding: 24px 30px;
  border-left: 3px solid var(--color-accent);
  text-align: left;
}

.lesson-note p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
  line-height: 1.8;
}

.visit-lesson {
  margin-top: 50px;
}

.visit-lesson-inner {
  background: var(--color-white);
  border: 2px dashed var(--color-beige);
  padding: 40px;
  text-align: center;
}

.visit-lesson h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.visit-lesson p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.lesson-card-body {
  padding: 28px 24px;
}

.lesson-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.lesson-card-body p {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.lesson-price {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-beige);
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: var(--color-black);
}

/* ===== Teacher ===== */
.teacher {
  padding: 120px 0;
  background: var(--color-white);
}

.teacher-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
  margin-top: 50px;
}

.teacher-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.teacher-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.teacher-name-en {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 24px;
}

.teacher-bio {
  font-size: 0.92rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.teacher-credentials {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.teacher-credentials span {
  font-size: 0.78rem;
  color: var(--color-text-light);
  padding: 6px 16px;
  border: 1px solid var(--color-beige);
  letter-spacing: 0.04em;
}

/* ===== Gallery ===== */
.gallery {
  padding: 120px 0;
  background: var(--color-cream);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 50px;
}

.gallery-item {
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--color-beige);
  aspect-ratio: 4 / 3;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.gallery-item.large {
  aspect-ratio: auto;
}

.gallery-video {
  margin-top: 50px;
  text-align: center;
}

.gallery-video-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  color: var(--color-black);
}

.instagram-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.instagram-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 250px;
  height: 180px;
  background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
  border-radius: 12px;
  color: #fff;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.instagram-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(220, 39, 67, 0.3);
}

.instagram-card-play {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.instagram-card p {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}

.instagram-follow {
  text-align: center;
  margin-top: 24px;
}

/* ===== Voices ===== */
.voices {
  padding: 120px 0;
  background: var(--color-white);
}

.voices-image {
  margin-top: 50px;
  text-align: center;
}

.voices-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.voices-item {
  border: 1px solid var(--color-beige);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.3s ease;
}

.voices-item:hover {
  transform: scale(1.02);
}

.voices-screenshot {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Schedule ===== */
.seasons {
  padding: 120px 0;
  background: var(--color-white);
}

.schedule-table-wrap {
  overflow-x: auto;
  margin-top: 50px;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.schedule-table th,
.schedule-table td {
  padding: 16px 20px;
  text-align: center;
  border-bottom: 1px solid var(--color-beige);
}

.schedule-table th {
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--color-text-light);
  letter-spacing: 0.05em;
}

.time-label {
  text-align: left !important;
  font-size: 0.85rem;
  color: var(--color-text);
  white-space: nowrap;
}

.available {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.unavailable {
  color: #ccc;
  font-size: 0.9rem;
}

.schedule-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 20px;
}

/* ===== Access ===== */
.access {
  padding: 120px 0;
  background: var(--color-cream);
}

.access-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  margin-top: 50px;
}

.map-embed {
  overflow: hidden;
  border: 1px solid var(--color-beige);
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: 400px;
}

.access-info h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.access-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px 24px;
}

.access-details dt {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.access-details dd {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ===== Contact ===== */
.contact {
  padding: 120px 0;
  background: var(--color-white);
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.contact-methods-3col {
  grid-template-columns: repeat(3, 1fr);
}

.tel-link {
  color: var(--color-black);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.tel-link:hover {
  color: var(--color-accent);
}

.contact-card {
  text-align: center;
  padding: 40px 24px;
  border: 1px solid var(--color-beige);
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--color-accent-light);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.contact-icon {
  color: var(--color-accent);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.contact-card h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.contact-value {
  font-size: 0.95rem;
  color: var(--color-black);
  margin-bottom: 8px;
}

.contact-note {
  font-size: 0.78rem;
  color: var(--color-text-light);
}

.contact-card-line {
  border-color: #06c755;
}

.btn-line {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 28px;
  background: #06c755;
  color: #fff;
  border-radius: 4px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.btn-line:hover {
  background: #05a847;
}

.btn-mail {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 28px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 4px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.btn-mail:hover {
  background: var(--color-accent-light);
}

.trial-banner {
  background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a2a 100%);
  padding: 60px 40px;
  text-align: center;
  color: var(--color-white);
}

.trial-banner h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.trial-banner p {
  font-size: 0.9rem;
  line-height: 2;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 30px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 40px;
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

/* ===== Basic Info ===== */
.basic-info {
  padding: 120px 0;
  background: var(--color-cream);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 50px;
  border-top: 1px solid var(--color-beige);
}

.info-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-beige);
}

.info-item dt {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.info-item dd {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

/* ===== Footer ===== */
.footer {
  background: var(--color-black);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 30px 40px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-white);
  margin-bottom: 12px;
}

.footer-address {
  font-size: 0.82rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: var(--transition);
}

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

.footer-sns {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.footer-sns a {
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition);
}

.footer-sns a:hover {
  color: #fff;
}

.footer-copy {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.04em;
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: pointer;
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

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

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.3s;
}

.lightbox-close:hover {
  opacity: 1;
}

/* ===== Scroll Animations ===== */
[data-aos] {
  transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .subnav {
    display: none;
  }

  .header-inner {
    height: 56px;
    padding: 0 16px;
    align-items: center;
  }

  .header-logo {
    display: flex;
    align-items: center;
  }

  .header-logo a {
    font-size: 0.82rem;
    line-height: 1;
  }

  .header-cta {
    font-size: 0.7rem;
    padding: 6px 12px;
    white-space: nowrap;
    line-height: 1;
  }

  .hamburger {
    width: 22px;
    height: 16px;
    flex-shrink: 0;
  }

  .concept,
  .lessons,
  .teacher,
  .voices,
  .gallery,
  .seasons,
  .access,
  .contact,
  .basic-info {
    padding: 80px 0;
  }

  .concept-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .lesson-cards {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .teacher-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .gallery-item.large {
    grid-row: auto;
  }

  .access-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .contact-methods {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

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

  .info-item {
    grid-template-columns: 120px 1fr;
  }

  .trial-banner {
    padding: 40px 24px;
  }

  .trial-banner h3 {
    font-size: 1.2rem;
  }

  .footer-nav {
    gap: 16px;
  }
}