/* =========================================
   Your-ism Piano Academy — Style Sheet
   Design: Purple × White × Gold
   SEO Target: 大津 ピアノ教室
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@300;400;600&display=swap');

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  color: #2C2C2C;
  background: #fff;
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── CSS Variables ── */
:root {
  --purple:       #6B2D8B;
  --purple-dark:  #4A1C64;
  --purple-light: #9B59B6;
  --purple-pale:  #F4EEFF;
  --purple-mid:   #EAD8F7;
  --gold:         #C9A84C;
  --gold-light:   #E8D090;
  --white:        #FFFFFF;
  --off-white:    #FAFAFA;
  --text:         #2C2C2C;
  --text-sub:     #666666;
  --text-light:   #999999;
  --border:       #E8E0EF;
  --shadow:       0 4px 20px rgba(107,45,139,.12);
  --shadow-lg:    0 8px 40px rgba(107,45,139,.18);
  --radius:       8px;
  --radius-lg:    16px;
  --transition:   all 0.3s ease;
}

/* ── Typography ── */
h1, h2, h3, h4, h5 { font-family: 'Noto Serif JP', serif; font-weight: 400; line-height: 1.4; }
.en { font-family: 'Cormorant Garamond', Georgia, serif; letter-spacing: 0.05em; }

/* ── Container ── */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 24px; }

/* ── Section Common ── */
.section { padding: 80px 0; }
.section-alt { background: var(--purple-pale); }
.section-dark { background: var(--purple); color: #fff; }

.section-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--purple);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.section-title-white { color: #fff; }
.section-subtitle {
  font-size: 1rem;
  color: var(--text-sub);
  max-width: 600px;
  margin: 0 auto 48px;
  text-align: center;
  line-height: 1.9;
}
.section-header { text-align: center; margin-bottom: 56px; }

/* ── Divider ── */
.divider {
  width: 48px; height: 2px;
  background: var(--gold);
  margin: 16px auto;
}
.divider-left { margin: 16px 0; }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary {
  background: var(--purple);
  color: #fff;
}
.btn-primary:hover { background: var(--purple-dark); transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--purple);
  color: var(--purple);
}
.btn-outline:hover { background: var(--purple); color: #fff; transform: translateY(-2px); }

.btn-gold {
  background: var(--gold);
  color: #fff;
}
.btn-gold:hover { background: #a8863c; transform: translateY(-2px); box-shadow: var(--shadow); }

.btn-white {
  background: #fff;
  color: var(--purple);
}
.btn-white:hover { background: var(--purple-pale); transform: translateY(-2px); }

.btn-line {
  background: #06C755;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
}
.btn-line:hover { background: #05a848; transform: translateY(-2px); box-shadow: 0 4px 16px rgba(6,199,85,.35); }
.btn-line svg { width: 24px; height: 24px; }

.btn-sm { padding: 10px 24px; font-size: 0.85rem; }
.btn-lg { padding: 18px 48px; font-size: 1rem; }

/* ── Header / Navigation ── */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
#header.scrolled { box-shadow: 0 2px 20px rgba(107,45,139,.12); }

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { height: 48px; }
.logo img { height: 100%; width: auto; object-fit: contain; }
.logo-text {
  display: flex; flex-direction: column; line-height: 1.1;
}
.logo-text .logo-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--purple);
  letter-spacing: 0.04em;
}
.logo-text .logo-jp {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--text-sub);
}

.nav-links {
  display: flex; align-items: center; gap: 4px;
}
.nav-links li a {
  padding: 8px 12px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text);
  border-radius: var(--radius);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-links li a:hover { color: var(--purple); background: var(--purple-pale); }
.nav-links .nav-contact a {
  background: var(--purple);
  color: #fff;
  padding: 8px 16px;
}
.nav-links .nav-contact a:hover { background: var(--purple-dark); color: #fff; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--purple);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed; top: 70px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.99);
  z-index: 999;
  padding: 32px 24px;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.mobile-nav a:hover { color: var(--purple); }

/* ── Hero Slider ── */
.hero {
  position: relative;
  height: 100vh; min-height: 600px; max-height: 900px;
  overflow: hidden;
  margin-top: 70px;
}
.hero-slides { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(74,28,100,.72) 0%, rgba(107,45,139,.45) 50%, rgba(0,0,0,.35) 100%);
}
.hero-content {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  color: #fff;
  padding: 32px 24px;
}
.hero-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  letter-spacing: 0.3em;
  margin-bottom: 20px;
  opacity: 0.9;
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  font-weight: 300;
  line-height: 1.5;
  margin-bottom: 16px;
  text-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.hero-title em {
  font-style: normal;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}
.hero-sub {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  opacity: 0.9;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.hero-access {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

.hero-dots {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px;
}
.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none; cursor: pointer;
  transition: var(--transition);
}
.hero-dot.active { background: var(--gold); transform: scale(1.3); }

/* ── Page Hero (sub pages) ── */
.page-hero {
  position: relative;
  height: 280px;
  margin-top: 70px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  color: #fff;
}
.page-hero img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(74,28,100,.8) 0%, rgba(107,45,139,.6) 100%);
}
.page-hero-content { position: relative; z-index: 1; padding: 0 24px; }
.page-hero-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1;
  margin-bottom: 10px;
}
.page-hero-ja {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  letter-spacing: 0.2em;
  opacity: 0.9;
  font-weight: 300;
}

/* Breadcrumb */
.breadcrumb {
  background: var(--off-white);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.breadcrumb-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  font-size: 0.8rem;
  color: var(--text-sub);
  display: flex; gap: 8px; align-items: center;
}
.breadcrumb-inner a { color: var(--purple); }
.breadcrumb-inner a:hover { text-decoration: underline; }
.breadcrumb-inner span { color: var(--text-light); }

/* ── Concept Section ── */
.concept-section { padding: 80px 0; }
.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.concept-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.concept-img img { width: 100%; height: 400px; object-fit: cover; }
.concept-text .section-label { text-align: left; }

/* ── Points / Features ── */
.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.point-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.point-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.point-card-img { height: 220px; overflow: hidden; }
.point-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.point-card:hover .point-card-img img { transform: scale(1.05); }
.point-card-body { padding: 24px; }
.point-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 8px;
}
.point-card h3 { font-size: 1.05rem; color: var(--purple); margin-bottom: 12px; line-height: 1.5; }
.point-card p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.8; }
.point-card .btn { margin-top: 20px; font-size: 0.8rem; padding: 8px 20px; }

/* ── Achievement Highlight ── */
.achievement-hl {
  background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple) 100%);
  color: #fff;
  padding: 72px 0;
  text-align: center;
}
.achievement-hl .section-label { color: var(--gold-light); }
.achievement-hl h2 { color: #fff; margin-bottom: 8px; font-size: clamp(1.5rem, 3vw, 2rem); }
.achievement-hl p { color: rgba(255,255,255,.8); margin-bottom: 48px; font-size: 0.95rem; }
.ach-stats {
  display: flex; justify-content: center; gap: 48px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.ach-stat { text-align: center; }
.ach-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1;
  display: block;
}
.ach-stat-label { font-size: 0.82rem; opacity: 0.85; margin-top: 6px; letter-spacing: 0.05em; }

/* ── Testimonial ── */
.testimonial-section { padding: 80px 0; background: #fff; }
.testimonial-card {
  background: var(--purple-pale);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  border-left: 4px solid var(--purple);
}
.testimonial-card::before {
  content: '\201C';
  font-family: 'Cormorant Garamond', serif;
  font-size: 6rem;
  color: var(--purple);
  opacity: 0.15;
  position: absolute;
  top: -10px; left: 24px;
  line-height: 1;
}
.testimonial-name {
  font-size: 0.85rem;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.testimonial-card blockquote {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.05rem;
  line-height: 2;
  color: var(--text);
  margin-bottom: 20px;
}
.testimonial-card p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.9; }

/* ── Course Cards ── */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.course-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.course-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--purple);
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--purple-light); }
.course-icon { font-size: 2rem; margin-bottom: 16px; }
.course-card h3 { font-size: 1.1rem; color: var(--purple); margin-bottom: 8px; line-height: 1.5; }
.course-price {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 12px;
}
.course-card p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.8; }
.course-tag {
  display: inline-block;
  background: var(--purple-pale);
  color: var(--purple);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  font-weight: 500;
}

/* ── Price Table ── */
.price-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.price-table th {
  background: var(--purple);
  color: #fff;
  padding: 16px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  letter-spacing: 0.05em;
}
.price-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:nth-child(even) td { background: var(--purple-pale); }

/* ── Flow Steps ── */
.flow-steps { display: flex; flex-direction: column; gap: 0; }
.flow-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  position: relative;
  padding-bottom: 40px;
}
.flow-step:last-child { padding-bottom: 0; }
.flow-step-left { display: flex; flex-direction: column; align-items: center; }
.flow-step-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--purple);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 600;
  flex-shrink: 0;
}
.flow-step-line {
  width: 2px; flex: 1;
  background: linear-gradient(var(--purple), var(--purple-pale));
  margin-top: 8px;
}
.flow-step:last-child .flow-step-line { display: none; }
.flow-step-content { padding-top: 14px; }
.flow-step-content h3 { font-size: 1.05rem; color: var(--purple); margin-bottom: 10px; }
.flow-step-content p { font-size: 0.9rem; color: var(--text-sub); line-height: 1.9; }
.flow-step-btn { margin-top: 16px; }

/* ── FAQ Accordion ── */
.faq-category { margin-bottom: 48px; }
.faq-category-title {
  font-size: 1rem;
  color: var(--purple);
  border-left: 4px solid var(--gold);
  padding-left: 16px;
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.05em;
}
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-question {
  padding: 20px 24px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: #fff;
  transition: var(--transition);
  font-size: 0.92rem;
  font-weight: 500;
}
.faq-question:hover { background: var(--purple-pale); color: var(--purple); }
.faq-question.active { background: var(--purple-pale); color: var(--purple); }
.faq-icon {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--purple-pale);
  color: var(--purple);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
  font-weight: 300;
}
.faq-question.active .faq-icon { transform: rotate(45deg); background: var(--purple); color: #fff; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  background: #fff;
}
.faq-answer.open { max-height: 400px; }
.faq-answer-inner {
  padding: 0 24px 24px;
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.9;
  border-top: 1px solid var(--border);
  margin-top: 0;
  padding-top: 20px;
}

/* ── Contact ── */
.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}
.form-group label .required {
  color: var(--purple);
  font-size: 0.75rem;
  margin-left: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: #fff;
  transition: var(--transition);
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--purple-light);
  box-shadow: 0 0 0 3px rgba(107,45,139,.1);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group .checkbox-group { display: flex; gap: 16px; flex-wrap: wrap; }
.form-group .checkbox-group label {
  display: flex; align-items: center; gap: 8px;
  font-weight: 400; cursor: pointer;
}
.form-group .checkbox-group input[type=checkbox] {
  width: auto; cursor: pointer;
}
.form-submit { text-align: center; margin-top: 8px; }
.contact-sns {
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  margin-top: 32px;
}
.contact-sns a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.contact-line { background: #06C755; color: #fff; }
.contact-line:hover { background: #05a848; }
.contact-mail { background: var(--purple); color: #fff; }
.contact-mail:hover { background: var(--purple-dark); }
.contact-note {
  font-size: 0.82rem;
  color: var(--text-sub);
  text-align: center;
  margin-top: 24px;
  line-height: 1.8;
}

/* ── Achievement List ── */
.achievement-year { margin-bottom: 48px; }
.achievement-year h3 {
  font-size: 1.3rem;
  color: var(--purple);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--purple-mid);
}
.achievement-items { display: flex; flex-direction: column; gap: 16px; }
.achievement-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  box-shadow: 0 2px 8px rgba(107,45,139,.06);
}
.achievement-item h4 { font-size: 0.95rem; color: var(--purple); margin-bottom: 6px; }
.achievement-item p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.7; }
.achievement-item .name { font-size: 0.82rem; color: var(--text-light); margin-top: 4px; }

/* ── Teacher profile ── */
.teacher-profile {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
}
.teacher-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.teacher-photo img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
.teacher-name { font-size: 1.4rem; color: var(--purple); margin-bottom: 4px; }
.teacher-name-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.1rem;
  color: var(--text-sub);
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}
.teacher-bio { font-size: 0.9rem; color: var(--text-sub); line-height: 2; margin-bottom: 24px; }
.awards-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.awards-list li {
  font-size: 0.88rem;
  color: var(--text-sub);
  padding-left: 20px;
  position: relative;
  line-height: 1.7;
}
.awards-list li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--gold);
}

/* ── Video embed ── */
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.video-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  box-shadow: var(--shadow);
}
.video-wrap iframe { width: 100%; height: 100%; border: none; }

/* ── Info Boxes ── */
.info-box {
  background: var(--purple-pale);
  border-radius: var(--radius);
  padding: 24px;
  font-size: 0.88rem;
  color: var(--text-sub);
  line-height: 1.9;
}
.info-box-purple {
  background: var(--purple);
  color: rgba(255,255,255,.9);
}
.info-box h4 { font-size: 0.95rem; margin-bottom: 10px; color: var(--text); }
.info-box-purple h4 { color: #fff; }

/* Location cards */
.location-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
.location-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.location-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.location-card-img { height: 200px; overflow: hidden; }
.location-card-img img { width: 100%; height: 100%; object-fit: cover; }
.location-card-body { padding: 24px; }
.location-name {
  font-size: 1rem;
  color: var(--purple);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.location-name::before { content: '✦'; color: var(--gold); font-size: 0.75rem; }
.location-card dl { font-size: 0.85rem; }
.location-card dt { color: var(--text-light); font-size: 0.75rem; letter-spacing: 0.08em; margin-top: 10px; }
.location-card dd { color: var(--text-sub); line-height: 1.7; }

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple) 100%);
  padding: 72px 0;
  text-align: center;
  color: #fff;
}
.cta-banner h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 12px; font-weight: 300; letter-spacing: 0.05em; }
.cta-banner p { font-size: 0.95rem; opacity: 0.85; margin-bottom: 36px; line-height: 1.8; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── News ── */
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; gap: 24px; align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.news-date { color: var(--text-light); font-size: 0.82rem; white-space: nowrap; min-width: 90px; }
.news-tag {
  background: var(--purple-pale);
  color: var(--purple);
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: 20px;
  white-space: nowrap;
}
.news-title { color: var(--text); }
.news-title:hover { color: var(--purple); }

/* ── Footer ── */
#footer {
  background: var(--purple-dark);
  color: rgba(255,255,255,.8);
  padding: 60px 0 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-logo img { height: 80px; width: auto; margin-bottom: 16px; }
.footer-tagline { font-size: 0.82rem; opacity: 0.7; line-height: 1.8; }
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-nav-col h4 {
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 14px;
  font-family: 'Cormorant Garamond', serif;
}
.footer-nav-col a {
  display: block;
  font-size: 0.85rem;
  opacity: 0.75;
  margin-bottom: 8px;
  transition: var(--transition);
}
.footer-nav-col a:hover { opacity: 1; color: var(--gold-light); }
.footer-bottom {
  max-width: 1100px; margin: 0 auto; padding: 24px 24px 0;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem;
  opacity: 0.6;
}
.footer-sns { display: flex; gap: 16px; }
.footer-sns a { opacity: 0.7; transition: var(--transition); font-size: 0.82rem; }
.footer-sns a:hover { opacity: 1; color: var(--gold-light); }

/* ── Floating CTA ── */
.floating-cta {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 800;
  display: flex; flex-direction: column; gap: 10px;
  align-items: flex-end;
}
.floating-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
  transition: var(--transition);
  white-space: nowrap;
}
.floating-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.floating-line { background: #06C755; color: #fff; }
.floating-contact { background: var(--purple); color: #fff; }

/* ── Utilities ── */
.text-center { text-align: center; }
.text-purple { color: var(--purple); }
.text-gold { color: var(--gold); }
.text-sub { color: var(--text-sub); }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.gap-small { gap: 8px; }
.font-serif { font-family: 'Noto Serif JP', serif; }
.font-en { font-family: 'Cormorant Garamond', serif; }

/* ── Nav collapses to hamburger at 960px ── */
@media (max-width: 960px) {
  /* ナビリンクを隠し、ハンバーガーのみ表示 */
  .nav-links { display: none; }
  .hamburger { display: flex; }

  /* ヘッダーを透明化・最小化 */
  #header {
    background: transparent;
    border-bottom: none;
    backdrop-filter: none;
    box-shadow: none;
  }
  /* スクロール後は背景を復活 */
  #header.scrolled {
    background: rgba(255,255,255,0.97);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
  }
  .header-inner {
    height: 56px;
    justify-content: flex-end;
  }
  /* ロゴを非表示 */
  .logo { display: none; }
  /* ハンバーガーに白い背景を付けて視認性を確保 */
  .hamburger {
    background: rgba(255,255,255,0.92);
    border-radius: 8px;
    padding: 8px 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
  }
  /* モバイルナビはヘッダー直下に白背景で展開 */
  .mobile-nav {
    background: rgba(255,255,255,0.98);
    border-top: 1px solid var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .points-grid { grid-template-columns: 1fr; }
  .concept-inner { grid-template-columns: 1fr; gap: 40px; }
  .concept-img { order: -1; }
  .teacher-profile { grid-template-columns: 1fr; }
  .teacher-photo { max-width: 320px; margin: 0 auto; }
  .video-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .flow-step { grid-template-columns: 60px 1fr; }
  .ach-stats { gap: 32px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { height: 85vh; }
  /* Hero: モバイルで冗長なテキストを非表示 */
  .hero-label { display: none; }
  .hero-sub-detail { display: none; }
  .hero-access { display: none; }
  .hero-btns { flex-direction: column; align-items: center; }
  .page-hero { height: 200px; }
  .points-grid { gap: 20px; }
  .course-grid { grid-template-columns: 1fr; }
  .location-grid { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: 1fr; }
  .floating-cta { bottom: 16px; right: 16px; }
  .contact-form { padding: 28px 20px; }
  .flow-step { grid-template-columns: 52px 1fr; gap: 16px; }
  .ach-stats { gap: 24px; }
  .testimonial-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.6rem; }
  .section-title { font-size: 1.4rem; }
  .btn-lg { padding: 14px 32px; }
  .floating-cta { display: none; }
}

@media (max-width: 768px) {
  /* Hero: モバイルで冗長な要素を非表示 */
  .hero-label { display: none; }
  .hero-sub-detail { display: none; }
  .hero-access { display: none; }
}