/* =============================================
   BILLIONAIRE CODE LP - style.css
   ============================================= */

/* ── 1. CSS Variables ── */
:root {
  --navy:       #3a2830;
  --navy-dark:  #261820;
  --navy-mid:   #3e2a34;
  --navy-deep:  #160e14;
  --navy-light: #5a3a48;
  --gold:       #C4A882;
  --gold-light: #E4C6A6;
  --gold-med:   #D4B896;
  --gold-dk:    #9E8669;
  --bg-light:   #F5F0EA;
  --text-body:  #3a2e30;
  --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
  --font-body:  'Noto Serif JP', serif;
}

/* ── 2. Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); background: #fff; color: var(--text-body); line-height: 1.5; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; }

/* ── 3. Layout / Spacing Utilities ── */
.container {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 1rem;
}
.section-py { padding-top: 2rem; padding-bottom: 2rem; }
@media (min-width: 768px) { .section-py { padding-top: 3rem; padding-bottom: 3rem; } }
.text-center { text-align: center; }
.mb-1  { margin-bottom: 0.25rem; }
.mb-2  { margin-bottom: 0.5rem;  }
.mb-3  { margin-bottom: 0.75rem; }
.mb-4  { margin-bottom: 1rem;    }
.mb-5  { margin-bottom: 1.25rem; }
.mb-6  { margin-bottom: 1.5rem;  }
.mb-8  { margin-bottom: 2rem;    }
.mb-10 { margin-bottom: 2.5rem;  }
.mb-12 { margin-bottom: 3rem;    }
.mb-14 { margin-bottom: 3.5rem;  }
.mb-16 { margin-bottom: 4rem;    }
.mb-20 { margin-bottom: 5rem;    }
.mt-2  { margin-top: 0.5rem;   }
.mt-4  { margin-top: 1rem;     }
.mt-6  { margin-top: 1.5rem;   }
.mt-8  { margin-top: 2rem;     }
.mt-10 { margin-top: 2.5rem;   }
.mt-16 { margin-top: 4rem;     }

/* ── 4. Common Components ── */

/* Section top bar */
.section-bar {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-light) 50%, var(--gold) 60%, var(--gold-dk) 100%);
  text-align: center;
}
.section-bar-text {
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 0.75rem;
  letter-spacing: 0.35em;
}

/* Gold rule */
.gold-line {
  width: 4rem;
  height: 2px;
  background: var(--gold);
  margin: 0 auto;
}

/* セクションタイトル（ゴールド線下のみ・余白均等） */
.section-title-block {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-title-block .gold-line {
  display: none;
}
.section-title-block .section-title-line-bottom {
  width: 2.5rem;
  height: 2px;
  background: var(--gold);
  margin: 1.5rem auto 0;
}

/* Gold diamond divider */
.gold-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 2.5rem 0;
}
.gold-divider .gd-line-l { height: 1px; flex: 1; background: linear-gradient(to right, transparent, var(--gold)); }
.gold-divider .gd-diamond { width: 0.5rem; height: 0.5rem; background: var(--gold); transform: rotate(45deg); flex-shrink: 0; }
.gold-divider .gd-line-r { height: 1px; flex: 1; background: linear-gradient(to left, transparent, var(--gold)); }

/* Body text */
.body-text {
  font-family: var(--font-body);
  color: var(--text-body);
  font-size: clamp(1.0625rem, 2.5vw, 1.2rem);
  line-height: 1.98;
  letter-spacing: 0.045em;
}

/* Section heading */
.section-heading {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 600;
  letter-spacing: 0.072em;
  line-height: 1.62;
}
.section-heading-lg { font-size: clamp(1.3rem, 4vw, 2rem); }

/* Gold underscore accent */
.underline-gold {
  color: var(--navy);
  font-weight: 700;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
}

/* Highlight border box */
.highlight-box-border {
  border: 1px solid var(--gold);
  background: rgba(196,168,130,0.05);
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 2.5rem 0;
}

/* Dark background box */
.dark-box {
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-dk) 100%);
  padding: 1.5rem;
  text-align: center;
}

/* Bullet list */
.bullet-list {
  padding: 2rem;
  background: rgba(58,40,48,0.04);
  border-left: 4px solid var(--gold);
  margin-bottom: 2rem;
}
.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.bullet-item:last-child { margin-bottom: 0; }
.bullet-dot {
  color: var(--gold);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 4px;
}

/* Quote block */
.quote-block {
  padding: 2rem;
  text-align: center;
  background: rgba(196,168,130,0.08);
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  margin: 2rem 0;
}
.quote-text {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: 600;
  letter-spacing: 0.072em;
  line-height: 1.8;
}

/* Solution pillar */
.pillar-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--gold);
  background: rgba(58,40,48,0.03);
  margin-bottom: 1.25rem;
}
.pillar-num {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  flex-shrink: 0;
  line-height: 1;
}
.pillar-sep {
  width: 1px;
  height: 2.5rem;
  background: rgba(196,168,130,0.4);
  flex-shrink: 0;
}
.pillar-text {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: 600;
  letter-spacing: 0.045em;
  line-height: 1.62;
}

/* Seminar placeholder image */
.seminar-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(58,40,48,0.1);
}
.seminar-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.img-caption {
  text-align: center;
  font-family: var(--font-body);
  color: #bbb;
  font-size: 0.7rem;
  margin-top: 0.4rem;
}

/* Speaker grid */
.speaker-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.speaker-card { text-align: center; }
.speaker-img-wrap {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid rgba(196,168,130,0.4);
  margin-bottom: 0.75rem;
  background: rgba(58,40,48,0.08);
}
.speaker-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* Diamond bullet list */
.diamond-list {
  padding: 2rem;
  border: 1px solid rgba(196,168,130,0.3);
  background: rgba(58,40,48,0.03);
  margin-bottom: 2rem;
}
.diamond-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.diamond-item:last-child { margin-bottom: 0; }
.diamond-dot {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 6px;
  font-size: 0.7rem;
}

/* ── 5. HEADER ── */
.site-header {
  width: 100%;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(38, 24, 32, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(196,168,130,0.2);
}
.header-logo { display: flex; align-items: center; gap: 0.75rem; }
.header-diamond {
  width: 1.5rem;
  height: 1.5rem;
  background: var(--gold);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.header-brand {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: clamp(0.8rem, 2vw, 0.95rem);
  font-weight: 700;
  letter-spacing: 0.15em;
}
.header-nav-btn {
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-med) 50%, var(--gold) 100%);
  font-family: var(--font-body);
  color: var(--navy-dark);
  font-size: clamp(0.7rem, 1.8vw, 0.82rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.header-nav-btn:hover { opacity: 0.8; }

/* ── Hero / Logo image helpers ── */
.hero-tit-img,
.logo-img {
  display: block;
  width: 100%;
  max-width: 648px;
  height: auto;
  margin: 0 auto;
}

/* ── 6. HERO SECTION ── */
.hero-section {
  position: relative;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('images/hero-bg.png');
  background-size: cover;
  background-position: center top;
  opacity: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(38,24,32,0.35) 0%, rgba(38,24,32,0.5) 100%);
}
.hero-content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 768px;
  margin: 0 auto;
  padding: 3.5rem 1rem;
  text-align: center;
}
@media (min-width: 768px) { .hero-content { padding: 4rem 1rem; } }

/* 画像差し替え時：上下左右中央配置 */
.hero-content.hero-content-img {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  padding: 3rem 1rem;
}
.hero-label {
  font-family: var(--font-body);
  color: var(--gold);
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.25em;
  margin-bottom: 1.5rem;
}
.hero-h1 {
  font-family: var(--font-serif);
  color: #ffffff;
  font-size: clamp(1.5rem, 5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: 0.05em;
  line-height: 1.75;
  margin-bottom: 1.25rem;
}
.hero-h1 .highlight { color: var(--gold-light); }

/* Hero gold bar separator */
.hero-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.hero-bar .hb-line { height: 1px; width: 5rem; background: var(--gold); }
.hero-bar .hb-diamond { width: 0.5rem; height: 0.5rem; background: var(--gold); transform: rotate(45deg); }

.hero-sub {
  font-family: var(--font-body);
  color: #ede3d8;
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  letter-spacing: 0.15em;
  line-height: 2;
  margin-bottom: 2rem;
}
.hero-brand-box {
  display: inline-block;
  padding: 1.75rem 2.5rem;
  border: 1px solid rgba(196,168,130,0.5);
  background: rgba(196,168,130,0.07);
  margin-bottom: 1.75rem;
}
.hero-brand-en {
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: clamp(0.7rem, 1.8vw, 0.85rem);
  letter-spacing: 0.5em;
  margin-bottom: 0.25rem;
}
.hero-brand-code {
  font-family: var(--font-serif);
  color: var(--gold-light);
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.1;
}
.hero-brand-ja {
  font-family: var(--font-body);
  color: var(--gold);
  font-size: clamp(0.85rem, 2.5vw, 1rem);
  letter-spacing: 0.5em;
  margin-top: 0.5rem;
}
.hero-event-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.hero-event-label .el-line { height: 1px; width: 2rem; background: rgba(196,168,130,0.5); }
.hero-event-text {
  font-family: var(--font-body);
  color: #e8d8c4;
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  letter-spacing: 0.25em;
}

/* ── 7. EXPLANATION SECTION ── */
.explanation-section { width: 100%; background: #ffffff; }

/* ── 8. PROGRAM SECTION ── */
.program-section { width: 100%; background: var(--bg-light); }

/* Brand block（logo-01用・hero-bg背景） */
.brand-block-dark {
  text-align: center;
  padding: 3rem 2rem;
  background: #000;
  position: relative;
  overflow: hidden;
  margin-bottom: 3rem;
}
.brand-block-dark::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero-bg.png');
  background-size: cover;
  background-position: center top;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}
.brand-block-content { position: relative; z-index: 1; }
.brand-en-sm {
  font-family: var(--font-body);
  color: var(--gold);
  font-size: 0.75rem;
  letter-spacing: 0.5em;
  margin-bottom: 0.5rem;
}
.brand-code-lg {
  font-family: var(--font-serif);
  color: var(--gold-light);
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.1;
}
.brand-ja-sm {
  font-family: var(--font-body);
  color: var(--gold);
  font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.5em;
  margin-top: 0.75rem;
}
.brand-badge {
  display: inline-block;
  margin-top: 1.25rem;
  padding: 0.5rem 1.5rem;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-med) 50%, var(--gold) 100%);
}
.brand-badge-text {
  font-family: var(--font-body);
  color: var(--navy-dark);
  font-size: clamp(0.85rem, 2vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.2em;
}

/* Schedule */
.schedule-list { list-style: none; margin-bottom: 1.5rem; }
.schedule-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border: 1px solid rgba(196,168,130,0.4);
  background: rgba(196,168,130,0.04);
  margin-bottom: 0.75rem;
}
.schedule-item.live {
  background: linear-gradient(135deg, rgba(58,40,48,0.06) 0%, rgba(196,168,130,0.1) 100%);
}
.schedule-left { display: flex; align-items: center; gap: 1rem; }
.schedule-num {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  flex-shrink: 0;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gold);
  background: transparent;
}
.schedule-item.live .schedule-num {
  background: var(--gold);
  color: #ffffff;
  border: none;
}

.schedule-date {
  font-family: var(--font-serif);
  color: var(--navy);
  font-weight: 600;
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  letter-spacing: 0.05em;
}
.schedule-time {
  font-family: var(--font-body);
  color: #555;
  font-size: 0.85rem;
}
.schedule-type {
  padding: 0.25rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  color: var(--gold);
  border: 1px solid var(--gold);
  background: transparent;
}
.schedule-item.live .schedule-type {
  color: #ffffff;
  background: var(--gold);
  border: none;
}

/* Part header */
.part-header {
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-light) 50%, var(--gold) 60%, var(--gold-dk) 100%);
  border-bottom: 5px solid var(--gold-light);
  text-align: center;
}
.part-header.part2 { background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-light) 100%); }
.part-label {
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  margin-bottom: 0.3rem;
}
.part-title {
  font-family: var(--font-serif);
  color: #ffffff;
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.6;
}
.part-instructor {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.9);
  font-size: 1.1rem;
  margin-top: 0.3rem;
}
.part-img {
  display: block;
  width: 100%;
  max-width: 648px;
  height: auto;
  margin: 0 auto 2rem;
}

/* Collab block (Part 3) */
.collab-block {
  padding: 2.5rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-light) 50%, var(--gold) 60%, var(--gold-dk) 100%);
  border: 1px solid rgba(196,168,130,0.3);
}
.collab-label {
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
}
.collab-title {
  font-family: var(--font-serif);
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.8;
}
.collab-sep { width: 2.5rem; height: 2px; background: var(--gold); margin: 1rem auto; }
.collab-body {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.95);
  font-size: clamp(1.2rem, 3vw, 1.4rem);
  line-height: 1.8;
  letter-spacing: 0.045em;
  margin-top: 1rem;
}

/* ── 9. PRICING SECTION ── */
.pricing-section { width: 100%; background: #ffffff; }

/* Pricing brand box */
.pricing-brand-box {
  text-align: center;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-light) 100%);
  border: 1px solid rgba(196,168,130,0.3);
  margin-bottom: 2.5rem;
}

/* Price display box */
.price-box {
  position: relative;
  padding: 3rem 2rem;
  text-align: center;
  overflow: hidden;
  border: 2px solid var(--gold);
  background: #ffffff;
  margin-bottom: 2rem;
}
.price-corner {
  position: absolute;
  width: 2rem;
  height: 2rem;
}
.price-corner.tl { top: 0; left: 0; border-top: 2px solid var(--gold); border-left: 2px solid var(--gold); }
.price-corner.tr { top: 0; right: 0; border-top: 2px solid var(--gold); border-right: 2px solid var(--gold); }
.price-corner.bl { bottom: 0; left: 0; border-bottom: 2px solid var(--gold); border-left: 2px solid var(--gold); }
.price-corner.br { bottom: 0; right: 0; border-bottom: 2px solid var(--gold); border-right: 2px solid var(--gold); }
.price-strikethrough {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.price-strikethrough span {
  font-family: var(--font-body);
  color: #aaa;
  text-decoration: line-through;
}
.price-strikethrough .price-amount {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 600;
}
.price-strikethrough .price-label,
.price-strikethrough .price-tax { font-size: 0.85rem; }
.price-arrow-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.price-arrow-line { height: 1px; width: 4rem; background: rgba(196,168,130,0.5); }
.price-arrow-triangle {
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 12px solid var(--gold);
}
.price-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-dk) 100%);
  text-align: center;
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  margin-bottom: 1.25rem;
}
.price-main {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}
.price-number {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
.price-note {
  margin-top: 1.5rem;
  text-align: center;
}
.price-note p {
  font-family: var(--font-body);
  color: #666;
  font-size: 0.75rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
}
.price-unit {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 600;
}
.price-tax-note { font-family: var(--font-body); color: #666; font-size: 0.85rem; }
.note-box {
  padding: 1.25rem 1.5rem;
  background: rgba(58,40,48,0.04);
  border-left: 3px solid var(--gold);
}

/* ── 10. CTA SECTION ── */
.cta-section { width: 100%; padding: 4rem 1rem; }
.cta-section.cta-dark { background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-light) 50%, var(--gold) 60%, var(--gold-dk) 100%); }
.cta-section.cta-light { background: var(--bg-light); }
.cta-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.cta-diamond-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.cta-diamond-row .cd-line { height: 1px; width: 3rem; background: rgba(196,168,130,0.5); }
.cta-diamond-row .cd-diamond { width: 0.375rem; height: 0.375rem; background: var(--gold); transform: rotate(45deg); }
.cta-price-text {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.95);
  font-size: clamp(1.0625rem, 2.5vw, 1.15rem);
  letter-spacing: 0.2em;
  margin-bottom: 2rem;
}
.cta-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #d44e6e 0%, #E75F81 40%, #f07898 50%, #E75F81 60%, #d44e6e 100%);
  padding: clamp(1rem, 3vw, 1.4rem) clamp(1.5rem, 4vw, 2rem);
  transition: opacity 0.2s;
}
.cta-button:hover { opacity: 0.9; }
.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.4) 50%, transparent 60%);
  opacity: 0.3;
  pointer-events: none;
}
.cta-button-gray {
  background: linear-gradient(135deg, #888 0%, #999 40%, #aaa 50%, #999 60%, #888 100%);
  padding: clamp(0.8rem, 2.4vw, 1.12rem) clamp(1.2rem, 3.2vw, 1.6rem);
}
.overview-buttons {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.cta-btn-spacer { flex: 1; position: relative; z-index: 1; }
.cta-btn-text {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  font-family: var(--font-serif);
  color: #ffffff;
  font-size: clamp(1.2rem, 3.5vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.4;
}
.cta-btn-arrow {
  flex: 1;
  text-align: right;
  position: relative;
  z-index: 1;
  font-family: sans-serif;
  color: #ffffff;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  font-weight: 700;
}
.cta-note {
  margin-top: 1.25rem;
  font-family: var(--font-body);
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
}

/* ── 11. OVERVIEW SECTION ── */
.overview-section {
  width: 100%;
  background: #000;
  position: relative;
  overflow: hidden;
}
.overview-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('images/hero-bg.png');
  background-size: cover;
  background-position: center top;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}
.overview-section .section-bar,
.overview-section .container { position: relative; z-index: 2; }
.overview-cta-text { color: rgba(255,255,255,0.9) !important; }
.overview-card {
  border: 1px solid rgba(196,168,130,0.4);
  background: transparent;
  overflow: hidden;
}
.overview-card-header {
  padding: 2.5rem 2rem;
  text-align: center;
  background: transparent;
  border-bottom: 2px solid var(--gold);
}
.overview-card-header img {
  display: block;
  margin: 0 auto;
}
.overview-table { width: 100%; }
.overview-row {
  display: flex;
  flex-direction: column;
  border-bottom: 1px solid rgba(196,168,130,0.15);
}
.overview-row:last-child { border-bottom: none; }
@media (min-width: 640px) {
  .overview-row { flex-direction: row; }
}
.overview-th {
  padding: 1.25rem 1.5rem;
  background: rgba(58,40,48,0.04);
  border-bottom: 1px solid rgba(196,168,130,0.15);
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
@media (min-width: 640px) {
  .overview-th {
    width: 8rem;
    flex-shrink: 0;
    border-bottom: none;
    border-right: 1px solid rgba(196,168,130,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
  }
}
.overview-td { flex: 1; padding: 1.25rem 1.5rem; }
.overview-td.overview-price-td { text-align: center; }
.overview-td.flex-center { display: flex; align-items: center; }
.overview-schedule-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}
.overview-schedule-item:last-child { margin-bottom: 0; }
.ov-date {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1rem, 2.6vw, 1.15rem);
  font-weight: 600;
}
.ov-time { font-family: var(--font-body); color: #555; font-size: clamp(1rem, 2.2vw, 1.05rem); }
.ov-type {
  padding: 0.15rem 0.5rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.ov-type.live {
  color: #ffffff;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-med) 100%);
  border: none;
}
.price-early-badge {
  display: inline-block;
  padding: 0.15rem 0.75rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-dk) 100%);
  font-family: var(--font-body);
  color: #ffffff;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}
.price-overview-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.price-original {
  font-family: var(--font-body);
  color: #aaa;
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  text-decoration: line-through;
}
.price-arrow-sm { color: #888; font-size: 1.2rem; }
.price-discounted {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
}

/* ── 12. PROFILE SECTION ── */
.profile-section { width: 100%; background: var(--bg-light); }
.profile-header {
  padding: 1.25rem 2rem;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-light) 50%, var(--gold) 60%, var(--gold-dk) 100%);
  border-left: 5px solid var(--gold-light);
}
.profile-header.profile2 { background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 50%, var(--gold-light) 100%); }
.profile-role {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.9);
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  margin-bottom: 0.2rem;
}
.profile-name {
  font-family: var(--font-serif);
  color: #ffffff;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.4;
}
.profile-img-wrap {
  width: min(280px, 70vw);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(196,168,130,0.35);
  margin: 0 auto 2rem;
  background: rgba(58,40,48,0.1);
}
.profile-img-wrap img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.profile-highlight {
  padding: 1.5rem;
  background: rgba(58,40,48,0.05);
  border-left: 4px solid var(--gold);
  margin-top: 1.5rem;
}
.voice-box {
  padding: 2rem;
  border: 1px solid rgba(196,168,130,0.3);
  background: rgba(196,168,130,0.04);
  margin-bottom: 2rem;
}
.voice-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.voice-item:last-child { margin-bottom: 0; }
.voice-check {
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--gold);
  font-weight: 700;
}
.voice-text {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1.0625rem, 2.2vw, 1.15rem);
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: 0.045em;
}
.consulting-highlight {
  padding: 2rem;
  background: var(--navy);
  border-left: 5px solid var(--gold);
  margin-top: 2rem;
}

/* ── 12-B. CONTRACT SECTION ── */
.contract-section {
  width: 100%;
  background: #fff;
  padding: 4rem 0;
}
.contract-title {
  font-family: var(--font-serif);
  color: var(--navy);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 600;
  letter-spacing: 0.15em;
  line-height: 1.6;
  text-align: center;
  margin-bottom: 3rem;
}
.kiyaku {
  background: rgba(58,40,48,0.04);
  border: 1px solid rgba(196,168,130,0.3);
  padding: 2rem;
  margin-bottom: 3rem;
  max-height: 400px;
  overflow-y: auto;
  border-radius: 4px;
}
.kiyaku p {
  font-family: var(--font-body);
  color: var(--text-body);
  font-size: 0.85rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  margin-bottom: 1.5rem;
}
.kiyaku p:last-child {
  margin-bottom: 0;
}
.contract-buttons {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3rem;
}

/* ── 13. FOOTER ── */
.site-footer {
  width: 100%;
  padding: 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--gold-dk) 0%, var(--gold) 40%, var(--gold-dk) 100%);
}
.footer-links {
  margin-bottom: 1rem;
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}
.footer-links a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
}
.footer-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}
.footer-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.footer-divider .fd-line { height: 1px; width: 3rem; background: rgba(255,255,255,0.5); }
.footer-divider .fd-diamond { width: 0.375rem; height: 0.375rem; background: #ffffff; transform: rotate(45deg); }
.footer-text {
  font-family: var(--font-body);
  color: rgba(255,255,255,0.9);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
}

/* ── 14. Responsive tweaks ── */
@media (max-width: 480px) {
  .hero-brand-box { padding: 1.25rem 1rem; }
  .speaker-grid { gap: 1rem; }
  .schedule-item { padding: 0.75rem 1rem; }
  .part-header { padding: 1.25rem 1rem; }
  .diamond-list { padding: 1.5rem 1rem; }
  .bullet-list { padding: 1.5rem 1rem; }
  .collab-block { padding: 2rem 1rem; }
  .price-box { padding: 2rem 1rem; }
  .note-box { padding: 1rem; }
  .consulting-highlight { padding: 1.5rem 1rem; }
  .voice-box { padding: 1.5rem 1rem; }
}