:root {
  --bg: #f7f5ef;
  --base: #ffffff;
  --text: #18211b;
  --muted: #5d6a61;
  --line: rgba(24, 33, 27, 0.12);
  --green: #173b2e;
  --green-2: #214d3c;
  --gold: #c7a86b;
  --gold-2: #e5d1a4;
  --shadow: 0 20px 50px rgba(17, 29, 22, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100% - 40px));
  --header-h: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(199, 168, 107, 0.12), transparent 30%),
    linear-gradient(180deg, #faf8f2 0%, #f3f0e8 100%);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
  cursor: pointer;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-style: italic;
  letter-spacing: 0.18em;
  text-transform: none;
  color: var(--green-2);
  margin-bottom: 18px;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.eyebrow-light {
  color: #f4e7ca;
}





.section-title {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.section-desc {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 50;
  transition: 0.35s ease;
  background: rgba(10, 16, 13, 0.08);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header.scrolled {
  background: rgba(20, 29, 24, 0.88);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  color: #fff;
}

.brand small {
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0.82;
  text-transform: uppercase;
}

.brand strong {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
}

.nav a {
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--gold-2);
  transition: width 0.25s ease;
}

.nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--gold), #e9d5ac);
  color: #1d1d1d;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(199, 168, 107, 0.28);
  white-space: nowrap;
}

.menu-btn {
  display: none;
  background: transparent;
  border: 0;
  width: 44px;
  height: 44px;
  padding: 0;
}

.menu-btn span,
.menu-btn::before,
.menu-btn::after {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: #fff;
  transition: 0.3s ease;
}

.mobile-panel {
  display: none;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: stretch;
  color: #fff;
  isolation: isolate;
  overflow: hidden;
  background: #0f1713;
  }

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: slowZoom 14s ease forwards;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(9, 16, 13, 0.35) 0%,
      rgba(9, 16, 13, 0.2) 38%,
      rgba(9, 16, 13, 0.08) 65%,
      rgba(9, 16, 13, 0.12) 100%
    ),
    linear-gradient(
      180deg,
      rgba(9, 16, 13, 0.05) 0%,
      rgba(9, 16, 13, 0.08) 55%,
      rgba(9, 16, 13, 0.25) 100%
    );  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, rgba(10, 15, 12, 0.55));
  z-index: -1;
}

.hero-inner {
  width: 100%;
  display: grid;
  align-items: end;
  padding: calc(var(--header-h) + 48px) 0 56px;
}

.hero-copy {
  max-width: 720px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(3rem, 8vw, 6.2rem);
  line-height: 0.95;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.hero-title .jp {
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-text {
  margin: 24px 0 0;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: 0.25s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), #e8d1a8);
  color: #1d1d1d;
  box-shadow: 0 12px 30px rgba(199, 168, 107, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 42px;
  max-width: 760px;
}

.meta-card {
  padding: 18px 18px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.meta-card strong {
  display: block;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.meta-card span {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
}

/* Intro */
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 36px;
  align-items: center;
}

.intro-card {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(24, 33, 27, 0.06);
  border-radius: var(--radius-lg);
  padding: 34px;
  box-shadow: var(--shadow);
}

.intro-copy p {
  margin: 0;
  color: var(--muted);
}

.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  min-height: 460px;
  background: #dce4dc;
}

.intro-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intro-badge {
  position: absolute;
  left: 58px;
  bottom: 20px;
  padding: 14px 18px;
  border-radius: 16px;
  color: #1f3b2d;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  font-size: 0.95rem;
}

.intro-card a {
  color: #003300;
  text-decoration: none;
  margin: 0;
  padding: 0;
  font-size: 100%;
  vertical-align: baseline;
  background: transparnt;
}

.intro-card a:visited {
  color: #8b4513;
  text-decoration: underline;
}

.intro-card a:hover {
  color: #ff4500;
  text-decoration: underline;
}

.intro-card a:active {
  color: #808000;
  text-decoration: underline;
}




/* Features */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 42px;
}

.feature-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.84));
  border: 1px solid rgba(24, 33, 27, 0.08);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(17, 29, 22, 0.16);
}

.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  line-height: 1.4;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Movie */
.movie-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
  margin-top: 34px;
}

.movie-player {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(17, 29, 22, 0.18);
  background: #0f1713;
}

.movie-player video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #0f1713;
}

.movie-panel {
  background: linear-gradient(180deg, rgba(23, 59, 46, 0.98), rgba(17, 38, 30, 0.96));
  color: #fff;
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.movie-panel-title {
  margin-top: 0;
  font-size: 1.5rem;
}

.movie-panel p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 18px;
}

.movie-note {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.72);
}

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  grid-auto-rows: 220px;
  gap: 18px;
  margin-top: 40px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 0.9fr 0.9fr;
  grid-auto-rows: 220px;
  gap: 18px;
  margin-top: 40px;
}




.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  box-shadow: var(--shadow);
  background: #d8dfd8;
}

.gallery-item.large {
  grid-row: span 2;
}

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

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

.gallery-caption {
  position: absolute;
  inset: auto 14px 14px 14px;
  padding: 12px 14px;
  border-radius: 14px;
  color: #fff;
  background: rgba(10, 16, 13, 0.42);
  backdrop-filter: blur(8px);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* CTA */
.cta-box {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 54px;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(9, 16, 13, 0.82), rgba(9, 16, 13, 0.42)),
    url("./assets/images/hero-course.jpg") center/cover no-repeat;
  box-shadow: 0 30px 70px rgba(17, 29, 22, 0.2);
}

.cta-box h2 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1;
}

.cta-box p {
  max-width: 700px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.86);
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

/* Access */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 38px;
}

.info-card {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(24, 33, 27, 0.07);
  border-radius: 26px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.info-card h3 {
  margin: 0 0 14px;
  font-size: 1.2rem;
}

.info-list {
  display: grid;
  gap: 12px;
  color: var(--muted);
  font-size: 0.97rem;
}

.info-list div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.info-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.placeholder-map {
  min-height: 320px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(23, 59, 46, 0.08), rgba(199, 168, 107, 0.1)),
    rgba(255, 255, 255, 0.4);
  border: 1px dashed rgba(24, 33, 27, 0.18);
  color: var(--muted);
  text-align: center;
  padding: 24px;
}

.placeholder-title {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.05rem;
}

/* Contact */
.contact-card {
  margin-top: 34px;
}

.contact-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.94rem;
  font-weight: 700;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid rgba(24, 33, 27, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(199, 168, 107, 0.9);
  box-shadow: 0 0 0 4px rgba(199, 168, 107, 0.14);
}

.field textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-note {
  color: var(--muted);
  font-size: 0.92rem;
}

.submit-message {
  display: none;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(23, 59, 46, 0.08);
  color: var(--green);
  font-weight: 700;
}

.submit-message.show {
  display: block;
}

/* Footer */
.site-footer {
  padding: 36px 0 50px;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.footer-brand {
  color: var(--text);
  font-weight: 700;
}

.footer-copy {
  margin-top: 8px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slowZoom {
  from {
    transform: scale(1.06);
  }
  to {
    transform: scale(1);
  }
}

/* Responsive */
@media (max-width: 1080px) {
  .intro-grid,
  .movie-wrap,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .gallery-item.large {
    grid-row: span 1;
  }
}

@media (max-width: 820px) {
  .nav,
  .header-cta {
    display: none;
  }

  .menu-btn {
    display: inline-block;
  }

  .mobile-panel {
    position: fixed;
    inset: var(--header-h) 16px auto 16px;
    display: block;
    padding: 16px;
    border-radius: 20px;
    background: rgba(20, 29, 24, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: 0.25s ease;
    z-index: 49;
  }

  .mobile-panel.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .mobile-panel nav {
    display: grid;
    gap: 10px;
  }

  .mobile-panel a {
    color: #fff;
    padding: 12px 10px;
    border-radius: 12px;
  }

  .mobile-panel a:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .hero-meta,
  .feature-grid,
  .field-row,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 78px 0;
  }

  .hero-inner {
    padding-bottom: 34px;
  }

  .intro-card,
  .movie-panel,
  .info-card,
  .cta-box {
    padding: 24px;
  }

  .intro-visual {
    min-height: 320px;
  }

  .brand strong {
    font-size: 1.45rem;
  }
}