@charset "UTF-8";

:root {
  /* Color Palette */
  --color-white: #FFFFFF;
  --color-base: #FCFBF8;
  --color-subtle: #F4F4F2;
  --color-warm-gray: #EEECE7;
  --color-ink: #222321;
  --color-muted: #666963;
  --color-navy: #1A2536;
  --color-deep-green: #29463B;
  --color-bronze: #9A744E;
  --color-line: rgba(34, 35, 33, 0.16);
  --color-line-light: rgba(255, 255, 255, 0.22);
  
  /* Radii */
  --r-none: 0;
  --r-small: 4px;
  --r-base: 8px;
  
  /* Transitions */
  --transition-base: 250ms ease;
}

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: "Noto Sans JP", "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", sans-serif;
  color: var(--color-ink);
  background: var(--color-base);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.035em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display-copy, .mincho {
  font-family: "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
  letter-spacing: 0.045em;
  font-feature-settings: "palt";
}

.t-eng {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.08em;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition-base);
}
a:hover {
  opacity: 0.7;
}

/* ============================================================
   Typography Sizes
============================================================ */
h1 {
  font-size: clamp(2.65rem, 6vw, 6.4rem);
  line-height: 1.16;
}

h2 {
  font-size: clamp(2rem, 4vw, 4.25rem);
  line-height: 1.35;
}

h3 {
  font-size: clamp(1.35rem, 2.2vw, 2.15rem);
  line-height: 1.5;
}

@media (max-width: 767px) {
  h1 { font-size: clamp(2rem, 8vw, 2.75rem); }
  h2 { font-size: clamp(1.75rem, 7vw, 2.25rem); }
}

.text-small {
  font-size: 14px;
}

/* ============================================================
   Layout
============================================================ */
.container {
  width: min(1280px, calc(100% - 48px));
  margin-inline: auto;
}

@media (max-width: 767px) {
  .container {
    width: min(100% - 40px, 1280px);
  }
}

.text-container {
  max-width: 720px;
  margin-inline: auto;
}

.section {
  padding-block: clamp(88px, 11vw, 176px);
}

@media (max-width: 767px) {
  .section {
    padding-block: 88px;
  }
}

/* ============================================================
   Buttons
============================================================ */
.button-primary {
  min-height: 56px;
  padding: 16px 28px;
  border-radius: var(--r-small);
  background: var(--color-navy);
  color: #FFFFFF;
  font-weight: 600;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: background-color 0.25s ease, transform 0.25s ease;
  border: none;
  cursor: pointer;
}
.button-primary:hover {
  background: #25364D;
  transform: translateY(-2px);
  opacity: 1; /* override default a:hover */
}

.button-outline {
  min-height: 56px;
  padding: 16px 28px;
  border-radius: var(--r-small);
  background: transparent;
  color: var(--color-navy);
  font-weight: 600;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-navy);
  transition: background-color 0.25s ease, transform 0.25s ease;
}
.button-outline:hover {
  background: rgba(26,37,54,0.04);
  transform: translateY(-2px);
  opacity: 1;
}

@media (max-width: 767px) {
  .button-primary,
  .button-outline,
  .instagram-button {
    width: 100%;
    min-height: 58px;
  }
}

/* ============================================================
   Header
============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 88px;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}
.header.is-scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.header-logo img {
  height: 24px;
}

.header-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}
.header-nav a {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.07em;
  color: var(--color-ink);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-ink);
}

@media (max-width: 900px) {
  .header { height: 70px; }
  .header-nav { display: none; }
  .hamburger { display: block; }
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  height: 100vh;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  transition: right 0.4s ease;
}
.mobile-nav.is-open {
  right: 0;
}
.mobile-nav a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-ink);
}

/* ============================================================
   Animations
============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1000ms cubic-bezier(0.21, 1, 0.36, 1), transform 1000ms cubic-bezier(0.21, 1, 0.36, 1);
}
.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Specific Sections
============================================================ */
/* Hero */
.hero {
  position: relative;
  width: 100%;
  min-height: 88svh;
  display: flex;
  align-items: center;
  background: #000;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 70% center; /* Keep subject on right */
  opacity: 0.85;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(13,19,28,0.78) 0%, rgba(13,19,28,0.58) 36%, rgba(13,19,28,0.12) 68%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
  padding-left: 7vw;
}
.hero-copy {
  margin-bottom: 24px;
}
.hero-desc {
  max-width: 560px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 40px;
}
.hero-info-bar {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--color-line-light);
  padding-bottom: 12px;
  margin-bottom: 40px;
  font-size: 14px;
}
@media (max-width: 767px) {
  .hero { min-height: 82svh; max-height: 900px; align-items: flex-end; padding-bottom: 72px; }
  .hero-overlay {
    background: linear-gradient(0deg, rgba(13,19,28,0.85) 0%, rgba(13,19,28,0.4) 50%, transparent 100%);
  }
  .hero-content { padding-left: 0; width: 100%; padding-inline: 20px; }
  .hero-info-bar { flex-direction: column; gap: 8px; border-bottom: none; }
}

/* Event Banner */
.event-banner {
  background: var(--color-white);
  padding-block: 48px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}
.event-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.event-banner-text {
  flex: 1;
}
@media (max-width: 767px) {
  .event-banner { padding-block: 40px; }
  .event-banner-inner { flex-direction: column; align-items: flex-start; }
}

/* Philosophy */
.philosophy {
  background: var(--color-navy);
  color: var(--color-white);
}
.philosophy .t-body {
  color: rgba(255,255,255,0.78);
}
.philosophy-layout {
  display: flex;
  gap: 10%;
  align-items: center;
}
.philosophy-text {
  flex: 0 0 40%;
}
.philosophy-img {
  flex: 0 0 50%;
}
.philosophy-img img {
  border-radius: var(--r-small);
}
@media (max-width: 900px) {
  .philosophy-layout { flex-direction: column; gap: 40px; }
}

/* Features */
.feature-section {
  display: flex;
  align-items: center;
  gap: 6%;
}
.feature-section.reverse {
  flex-direction: row-reverse;
}
.feature-img { overflow: hidden; border-radius: var(--r-small);
  flex: 0 0 58%;
  position: relative;
}
.feature-img img {
  border-radius: var(--r-small);
  width: 100%;
  object-fit: cover;
}
.feature-text {
  flex: 0 0 36%;
  max-width: 520px;
}
.feature-num {
  font-family: "Noto Serif JP", serif;
  font-size: 56px;
  color: var(--color-bronze);
  line-height: 1;
  margin-bottom: 16px;
}
.feature-caption {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 12px;
}
.feature-subheading {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 8px;
  margin-top: 32px;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 4px;
}
@media (max-width: 900px) {
  .feature-section, .feature-section.reverse {
    flex-direction: column;
    gap: 40px;
  }
  .feature-img { overflow: hidden; border-radius: var(--r-small); width: 100%; }
  /* Removed forced height */
  .feature-text { width: 100%; max-width: 100%; }
  .feature-num { font-size: 48px; }
}

/* Generations */
.generation-story {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding-block: 40px;
  border-bottom: 1px solid var(--color-line);
}
.generation-img { overflow: hidden; border-radius: var(--r-small);
  flex: 0 0 40%;
}
.generation-img img {
  border-radius: var(--r-small);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.generation-text {
  flex: 1;
}
.generation-label {
  font-size: 13px;
  color: var(--color-bronze);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
@media (max-width: 767px) {
  .generation-story { flex-direction: column; gap: 24px; padding-block: 64px; border-bottom: none; }
  .generation-img { overflow: hidden; border-radius: var(--r-small); width: 100%; }
  .generation-img img { aspect-ratio: 16/9; }
}

/* Instructor */
.instructor-layout {
  display: flex;
  gap: 60px;
  align-items: center;
}
.instructor-img {
  flex: 0 0 55%;
}
.instructor-img img {
  border-radius: var(--r-small);
}
.instructor-text {
  flex: 0 0 45%;
}
.instructor-name {
  font-size: 32px;
  margin-bottom: 8px;
}
.instructor-title {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 32px;
}
@media (max-width: 900px) {
  .instructor-layout { flex-direction: column; gap: 40px; }
}

/* Training Schedule Table */
.training-layout {
  display: flex;
  gap: 60px;
}
.training-img {
  flex: 0 0 40%;
}
.training-img img {
  border-radius: var(--r-small);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.training-info {
  flex: 1;
}
.training-row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding-block: 22px;
  border-top: 1px solid var(--color-line);
}
.training-row:last-child {
  border-bottom: 1px solid var(--color-line);
}
.training-th {
  font-family: "Noto Serif JP", serif;
  font-size: 14px;
  color: var(--color-ink);
}
@media (max-width: 900px) {
  .training-layout { flex-direction: column; gap: 40px; }
  .training-row { grid-template-columns: 1fr; gap: 6px; padding-block: 18px; }
}

/* Flow (Timeline) */
.flow-timeline {
  display: flex;
  flex-direction: column;
}
.flow-item {
  display: flex;
  gap: 40px;
  padding-block: 48px;
  border-top: 1px solid rgba(34,35,33,0.22);
}
.flow-item:last-child {
  border-bottom: 1px solid rgba(34,35,33,0.22);
}
.flow-num {
  font-family: "Cormorant Garamond", serif;
  font-size: 56px;
  color: var(--color-bronze);
  line-height: 1;
  flex: 0 0 60px;
}
.flow-text {
  flex: 1;
}
@media (max-width: 767px) {
  .flow-item { gap: 24px; padding-block: 40px; }
  .flow-num { font-size: 48px; flex: 0 0 48px; }
}

/* FAQ */
.faq-wrap {
  max-width: 840px;
  margin-inline: auto;
}
.faq-item {
  border-top: 1px solid var(--color-line);
  padding-block: 24px;
}
.faq-item:last-child {
  border-bottom: 1px solid var(--color-line);
}
.faq-q {
  font-size: 17px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  min-height: 44px; /* Touch target */
}
.faq-icon {
  font-size: 20px;
  color: var(--color-muted);
}
.faq-a {
  font-size: 16px;
  color: var(--color-muted);
  margin-top: 16px;
  display: none;
}
.faq-item.is-open .faq-a {
  display: block;
}

/* Access */
.access-layout {
  display: flex;
  gap: 60px;
}
.access-map {
  flex: 0 0 58%;
}
.access-map img, .access-map iframe {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--r-small);
  border: none;
  background: #EAE7DF; /* placeholder color */
}
.access-info {
  flex: 0 0 42%;
}
@media (max-width: 900px) {
  .access-layout { flex-direction: column-reverse; gap: 40px; }
  .access-map img, .access-map iframe { height: 360px; }
}

/* CTA Instagram */
.cta-section {
  background: var(--color-navy);
  color: var(--color-white);
}
.cta-layout {
  display: flex;
  gap: 60px;
  align-items: center;
}
.cta-text {
  flex: 1;
}
.cta-action {
  flex: 0 0 440px;
}
.dm-example {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 24px;
  border-radius: var(--r-small);
  font-size: 14px;
  margin-bottom: 24px;
  color: rgba(255,255,255,0.8);
}
.instagram-button {
  background: var(--color-white);
  color: var(--color-navy);
  border-radius: var(--r-small);
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 600;
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  transition: transform 0.25s ease;
}
.instagram-button::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  z-index: -1;
  border-radius: calc(var(--r-small) + 1px);
}
.instagram-button:hover {
  transform: translateY(-2px);
}
@media (max-width: 900px) {
  .cta-layout { flex-direction: column; gap: 40px; }
  .cta-action { flex: 1; width: 100%; }
}

/* Footer */
.footer {
  background: #111923;
  color: #EAE7DF;
  padding-block: 80px;
}
.footer-layout {
  display: flex;
  gap: 80px;
}
.footer-col {
  flex: 1;
}
.footer-logo {
  height: 24px;
  margin-bottom: 24px;
  opacity: 0.9;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(234,231,223,0.8);
}
.footer-copy {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(234,231,223,0.5);
  text-align: center;
}
@media (max-width: 767px) {
  .footer { padding-block: 64px; }
  .footer-layout { flex-direction: column; gap: 48px; }
  .footer-copy { margin-top: 64px; }
}
/* Responsive Line Breaks */
.pc-br { display: block; }
.sp-br { display: none; }
@media (max-width: 767px) {
  .pc-br { display: none; }
  .sp-br { display: block; }
}

/* ============================================================
   Professional Polish Overrides
============================================================ */
body {
  letter-spacing: 0.04em;
  line-height: 1.8;
  color: #222222;
}

h1, h2, h3, .mincho {
  letter-spacing: 0.08em;
}

/* Elegant Button Hovers */
.button-primary, .button-outline {
  transition: all 400ms cubic-bezier(0.21, 1, 0.36, 1);
  position: relative;
}
.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(26,37,54,0.2);
  background: #253347; /* Slightly lighter navy */
}
.button-outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

/* Image Reveal Parallax Effect */
.feature-img img, .generation-img img, .instructor-img img {
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1200ms cubic-bezier(0.21, 1, 0.36, 1), transform 1600ms cubic-bezier(0.21, 1, 0.36, 1);
}

.is-visible .feature-img img,
.is-visible .generation-img img,
.is-visible .instructor-img img {
  opacity: 1;
  transform: scale(1);
}

/* Thinner, elegant borders */
.feature-subheading {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.training-row {
  border-top: 1px solid rgba(0,0,0,0.06);
}
.training-row:last-child {
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
/* Responsive full-width image for Feature 3 */
.feature-wide-img {
  width: 100%;
  aspect-ratio: 21/9;
  object-fit: cover;
  border-radius: var(--r-small);
  margin-bottom: 64px;
}
@media (max-width: 900px) {
  .feature-wide-img {
    aspect-ratio: 4/5;
    margin-bottom: 40px;
  }
}