/* =====================================================
   mimitsubo ricco School — style.css
   ===================================================== */

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

:root {
  --bg:        #fdf2f2;
  --dark:      #1a1a1a;
  --gold:      #b89530;
  --gold-dark: #96791c;
  --white:     #ffffff;
  --line:      #06C755;
  --line-dark: #05a848;
  --text:      #1a1a1a;
  --muted:     #1a1a1a;
  --serif:     'Cormorant Garamond', serif;
  --serif-jp:  'Noto Serif JP', serif;
  --sans:      'Noto Sans JP', sans-serif;
  --radius-xl: 2rem;
  --radius-2xl:3rem;
  --transition: .4s cubic-bezier(.25,.8,.25,1);
}

html { scroll-behavior: smooth; font-size: 112.5%; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

/* ── Utilities ────────────────────────────────────── */
.section-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.section-divider {
  width: 3rem;
  height: 1px;
  background: var(--gold);
  margin: 1.5rem auto 0;
}

/* reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity .9s var(--transition), transform .9s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity .7s var(--transition), transform .7s var(--transition);
}
.reveal-stagger.visible > *:nth-child(1) { opacity:1; transform:none; transition-delay:.1s; }
.reveal-stagger.visible > *:nth-child(2) { opacity:1; transform:none; transition-delay:.22s; }
.reveal-stagger.visible > *:nth-child(3) { opacity:1; transform:none; transition-delay:.34s; }
.reveal-stagger.visible > *:nth-child(4) { opacity:1; transform:none; transition-delay:.46s; }
.reveal-stagger.visible > *:nth-child(5) { opacity:1; transform:none; transition-delay:.58s; }
.reveal-stagger.visible > *:nth-child(6) { opacity:1; transform:none; transition-delay:.70s; }

/* shine button */
.btn-shine { position: relative; overflow: hidden; }
.btn-shine::after {
  content: '';
  position: absolute;
  top: -50%; left: -60%;
  width: 20%; height: 200%;
  background: rgba(255,255,255,.25);
  transform: rotate(30deg);
  animation: shine 4s infinite;
}
@keyframes shine { 100% { left: 125%; } }

/* ── Navigation ───────────────────────────────────── */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}
#nav > * { pointer-events: auto; }

.nav-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--serif-jp);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  transition: opacity var(--transition);
}
.nav-logo:hover { opacity: .5; }

.nav-logo-img {
  width: 32px;
  height: auto;
  display: block;
  flex-shrink: 0;
}

.nav-logo-text { display: block; text-transform: none; }

.nav-cta {
  font-family: var(--serif);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--dark);
  padding-bottom: .25rem;
  transition: opacity var(--transition);
}
.nav-cta:hover { opacity: .5; }

/* ── Hero ─────────────────────────────────────────── */
#hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: 8rem 4rem 8rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

.hero-text { z-index: 10; }

.hero-eyebrow {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: .4em;
  color: var(--gold);
  margin-bottom: 2rem;
  animation: fadeUp 1.4s cubic-bezier(.2,.8,.2,1) both;
}

.hero-h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 2.5rem;
  animation: fadeUp 1.4s .15s cubic-bezier(.2,.8,.2,1) both;
}

.hero-h1 em {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold);
}

.hero-h1-nowrap {
  white-space: nowrap;
}

.hero-body {
  font-size: 0.9375rem;
  line-height: 2;
  opacity: 1;
  font-weight: 300;
  animation: fadeUp 1.4s .35s cubic-bezier(.2,.8,.2,1) both;
  max-width: 28rem;
}

.hero-image-wrap {
  position: relative;
  animation: fadeUp 1.4s .5s cubic-bezier(.2,.8,.2,1) both;
}

.hero-arch {
  border-radius: 20rem 20rem 2rem 2rem;
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: 0 32px 80px rgba(45,45,43,.18);
}

.hero-arch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  animation: slowZoom 20s ease-out infinite alternate;
}

.hero-badge {
  position: absolute;
  bottom: 1.5rem;
  left: -1.5rem;
  background: var(--white);
  padding: 1.75rem 2rem;
  border-radius: 1rem;
  box-shadow: 0 8px 40px rgba(45,45,43,.12);
  z-index: 20;
  animation: fadeUp 1.4s .7s cubic-bezier(.2,.8,.2,1) both;
}

.hero-badge-num {
  font-family: var(--serif);
  font-size: 3rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: .25rem;
}

.hero-badge-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  opacity: 1;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(2rem); }
  to   { opacity: 1; transform: none; }
}
@keyframes slowZoom {
  from { transform: scale(1); }
  to   { transform: scale(1.08); }
}

/* ── Message Section ──────────────────────────────── */
#message {
  padding: 4rem 2rem 6rem;
  text-align: center;
}

.message-inner {
  max-width: 44rem;
  margin: 0 auto;
}

.message-h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: -.01em;
  margin-bottom: 3rem;
}

.message-body {
  font-size: 0.9375rem;
  line-height: 2;
  opacity: 1;
  font-weight: 300;
  text-align: left;
}

/* ── Courses Section ──────────────────────────────── */
#courses {
  padding: 6rem 2rem 8rem;
  background: rgba(255,255,255,.4);
}

.courses-inner { max-width: 1200px; margin: 0 auto; }

.courses-header {
  text-align: center;
  margin-bottom: 5rem;
}

.courses-bg-text {
  font-family: var(--serif);
  font-size: clamp(4rem, 12vw, 9rem);
  font-style: italic;
  opacity: .04;
  line-height: 1;
  margin-bottom: -2.5rem;
  display: block;
  text-transform: uppercase;
}

.courses-title {
  font-size: 1.8rem;
  font-weight: 300;
  letter-spacing: .15em;
  position: relative;
  z-index: 1;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

/* card */
.course-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: 3rem 2.5rem;
  border: 1px solid rgba(0,0,0,.05);
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 20px rgba(45,45,43,.04);
  transition: box-shadow var(--transition), transform var(--transition);
}
.course-card:hover {
  box-shadow: 0 24px 64px rgba(45,45,43,.12);
  transform: translateY(-.5rem);
}
.course-card--featured { background: var(--bg); }

.course-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--gold);
  font-style: italic;
  display: block;
  margin-bottom: 1rem;
  text-align: center;
}
.course-tag--std {
  color: var(--dark);
  opacity: 1;
}

.course-name {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: .5rem;
  text-align: center;
}

.course-desc {
  font-size: 0.8125rem;
  letter-spacing: .15em;
  opacity: 1;
  text-align: center;
  margin-bottom: 1.5rem;
}

.course-price-wrap {
  border-top: 1px solid rgba(184,149,48,.2);
  border-bottom: 1px solid rgba(184,149,48,.2);
  padding: 1rem 0;
  text-align: center;
  margin-bottom: .75rem;
}
.course-card--featured .course-price-wrap {
  border-color: rgba(0,0,0,.05);
}

.course-price {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--gold);
}
.course-card--featured .course-price { color: var(--dark); font-weight: 400; }

.course-price-tax {
  font-size: 0.875rem;
  font-family: var(--sans);
  font-weight: 700;
  color: inherit;
}
.course-card--featured .course-price-tax { font-weight: 400; }

.course-duration {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--dark);
  opacity: 1;
  text-align: center;
  margin-bottom: 2rem;
  margin-top: 0.25rem;
}

.course-body { flex-grow: 1; }

.course-section-title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: .5;
  border-bottom: 1px solid rgba(0,0,0,.05);
  padding-bottom: .75rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}

.course-list {
  list-style: none;
  font-size: 0.875rem;
  font-weight: 300;
  line-height: 1;
}
.course-list li {
  display: flex;
  gap: .5rem;
  padding: .5rem 0;
  line-height: 1.6;
}
.course-list li.highlight {
  color: var(--gold);
  font-weight: 700;
}

.course-kit {
  font-size: 0.8125rem;
  font-weight: 300;
  line-height: 2;
  opacity: 1;
}

.course-section + .course-section { margin-top: 2rem; }

/* ── Recommended Section ──────────────────────────── */
#recommended {
  background: #faf5ee;
  padding: 8rem 2rem 10rem;
  overflow: hidden;
}

.recommended-inner { max-width: 48rem; margin: 0 auto; }

.recommended-header {
  text-align: center;
  margin-bottom: 5rem;
}

.recommended-bg-text {
  font-family: var(--serif);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  font-style: italic;
  opacity: .04;
  line-height: 1;
  margin-bottom: -1.75rem;
  display: block;
  text-transform: uppercase;
}

/* ── 吹き出しリスト ── */
ol.recommended-list {
  list-style: none;
  background: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  border: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.recommended-item {
  display: flex;
  padding: 0;
  border: none;
}
.recommended-item.reveal-left  { justify-content: flex-start; }
.recommended-item.reveal-right { justify-content: flex-end; }

/* 吹き出し本体 */
.bubble {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #fff;
  border: 1px solid rgba(184,149,48,.18);
  border-radius: 1.25rem;
  padding: 1.1rem 1.75rem;
  max-width: 75%;
  box-shadow: 0 4px 20px rgba(184,149,48,.1), 0 1px 4px rgba(45,45,43,.04);
  transition: box-shadow var(--transition), transform var(--transition);
}
.bubble:hover {
  box-shadow: 0 8px 32px rgba(184,149,48,.18);
  transform: translateY(-2px);
}

/* 左吹き出しのしっぽ */
.bubble--left::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-right: 9px solid #fff;
  border-left: 0;
  filter: drop-shadow(-2px 0 1px rgba(184,149,48,.12));
}

/* 右吹き出しのしっぽ */
.bubble--right::before {
  content: '';
  position: absolute;
  right: -9px;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left: 9px solid #fff;
  border-right: 0;
  filter: drop-shadow(2px 0 1px rgba(184,149,48,.12));
}

.recommended-num {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: var(--gold);
  opacity: 1;
  flex-shrink: 0;
  line-height: 1;
}

.recommended-text {
  font-size: clamp(.9rem, 2vw, 1.05rem);
  font-weight: 400;
  color: var(--dark);
  letter-spacing: .03em;
  line-height: 1.7;
}

/* 左右スライドアニメーション */
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-2.5rem); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(2.5rem); }
  to   { opacity: 1; transform: translateX(0); }
}

.reveal-left, .reveal-right { opacity: 0; }

.reveal-left.visible  { animation: slideInLeft  .7s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.reveal-right.visible { animation: slideInRight .7s cubic-bezier(0.22, 1, 0.36, 1) forwards; }

.recommended-item:nth-child(1).reveal-left.visible,
.recommended-item:nth-child(1).reveal-right.visible { animation-delay: .05s; }
.recommended-item:nth-child(2).reveal-left.visible,
.recommended-item:nth-child(2).reveal-right.visible { animation-delay: .15s; }
.recommended-item:nth-child(3).reveal-left.visible,
.recommended-item:nth-child(3).reveal-right.visible { animation-delay: .25s; }
.recommended-item:nth-child(4).reveal-left.visible,
.recommended-item:nth-child(4).reveal-right.visible { animation-delay: .35s; }
.recommended-item:nth-child(5).reveal-left.visible,
.recommended-item:nth-child(5).reveal-right.visible { animation-delay: .45s; }
.recommended-item:nth-child(6).reveal-left.visible,
.recommended-item:nth-child(6).reveal-right.visible { animation-delay: .55s; }

/* ── CTA Section ──────────────────────────────────── */
#cta {
  padding: 0 0 10rem;
  text-align: center;
}

/* ── Marquee ── */
.cta-marquee {
  display: flex;
  overflow: hidden;
  border-top: 1px solid rgba(45,45,43,.08);
  border-bottom: 1px solid rgba(45,45,43,.08);
  padding: 1.25rem 0;
  margin-bottom: 7rem;
  gap: 0;
}

.cta-marquee-track {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  white-space: nowrap;
  flex-shrink: 0;
  animation: marquee 100s linear infinite;
}

.cta-marquee-item {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 5.5vw, 4.5rem);
  font-style: normal;
  font-weight: 700;
  text-transform: uppercase;
  color: #ecddd9;
  letter-spacing: .25em;
}

.cta-marquee-sep {
  color: #ecddd9;
  font-size: 1.8rem;
  flex-shrink: 0;
  letter-spacing: 0;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-100%); }
}

@media (prefers-reduced-motion: reduce) {
  .cta-marquee-track { animation: none; }
}

.cta-inner { max-width: 48rem; margin: 0 auto; }

.cta-h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.5;
  letter-spacing: -.02em;
  margin-bottom: 2rem;
}
.cta-h2-line {
  display: inline-block;
  white-space: nowrap;
}

.cta-body {
  font-size: 0.9375rem;
  opacity: 1;
  font-weight: 300;
  line-height: 2;
  margin-bottom: 4rem;
}

/* CTA（メインページのfloating CTAと同じスタイル） */
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #ffd9e4;
  color: #d83d21;
  padding: 1rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  transition: all 0.3s;
  text-decoration: none;
}
.cta-btn:hover {
  background: #ffc4d4;
  color: #d83d21;
}
.cta-btn-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}
.cta-btn:hover .cta-btn-icon {
  transform: translateX(3px);
}

/* セクション内CTAを中央揃え */
.cta-inner .cta-btn {
  margin-top: 1rem;
}

/* ── Fixed CTA（右下・メインページと同じスタイル）──────────────────── */
#line-fixed {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 200;
  /* 初期は非表示。JSでヒーロー外・CTA外のときのみ表示 */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
@media (min-width: 768px) {
  #line-fixed { bottom: 3rem; right: 3rem; }
}

/* ── Footer ───────────────────────────────────────── */
footer {
  background: #2d2d2b;
  color: #fdf2f2;
  padding: 5rem 2rem;
}

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

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-family: var(--serif-jp);
  font-size: clamp(0.875rem, 1.5vw, 1rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  opacity: 1;
  margin-top: .75rem;
}

.footer-logo-wrap {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
}

.footer-logo-img {
  width: 40px;
  height: auto;
  display: block;
  flex-shrink: 0;
  opacity: .9;
}

.footer-logo-text {
  font-family: var(--serif-jp);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: none;
  color: #fdf2f2;
}

.footer-links {
  display: flex;
  gap: 2.5rem;
  font-family: var(--serif);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 1;
}
.footer-links a:hover { opacity: 1; transition: opacity var(--transition); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.05);
  padding-top: 2rem;
  text-align: center;
}
.footer-bottom p {
  font-family: var(--serif);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: none;
  opacity: 1;
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 1024px) {
  .courses-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
}

@media (max-width: 768px) {
  #hero {
    grid-template-columns: 1fr;
    padding: 7rem 1.5rem 4rem;
    gap: 3rem;
    min-height: auto;
  }
  .hero-badge  { left: -.75rem; bottom: -.75rem; padding: 1.25rem; }
  .hero-badge-num { font-size: 2rem; }

  #message { padding: 2.5rem 1.5rem 4rem; }
  #courses  { padding: 5rem 1rem 6rem; }
  #recommended { padding: 6rem 1.5rem 7rem; }
  #cta      { padding: 5rem 1.5rem 7rem; }

  .cta-btn-icon { width: 1.5rem; height: 1.5rem; }

  .footer-grid { flex-direction: column; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  #nav { padding: 1.25rem 1.25rem; }
  #courses { padding-left: 0.75rem; padding-right: 0.75rem; }
  .courses-grid { grid-template-columns: 1fr; }
}