/* =========================================================
   Dental AI Agent Seminar LP — Monochrome × Gold
   ========================================================= */

:root {
  /* Base */
  --bg-0: #0a0a0b;
  --bg-1: #101014;
  --bg-2: #16161c;
  --bg-3: #1c1c24;
  --surface: #131318;
  --surface-elev: #1a1a22;

  /* Text */
  --text-1: #f5f4ef;
  --text-2: #b8b6ae;
  --text-3: #7a786f;
  --text-4: #4a4841;

  /* Gold */
  --gold: #c9a961;
  --gold-light: #e8d4a0;
  --gold-deep: #a08748;
  --gold-glow: rgba(201, 169, 97, 0.35);
  --gold-faint: rgba(201, 169, 97, 0.08);

  /* Border */
  --border-1: rgba(255, 255, 255, 0.06);
  --border-2: rgba(255, 255, 255, 0.12);
  --border-gold: rgba(201, 169, 97, 0.3);

  /* Typography */
  --font-jp: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;

  /* Spacing */
  --container: 1180px;
  --container-narrow: 880px;
  --radius: 4px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  text-wrap: pretty;
}

/* Grid background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 169, 97, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 169, 97, 0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at 50% 30%, black 30%, transparent 80%);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 32px;
  background: rgba(10, 10, 11, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-1);
  transition: all 0.3s ease;
}
.nav.is-scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  background: rgba(10, 10, 11, 0.9);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-brand {
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-brand-logo {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border-gold);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04);
}
.nav-brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.nav-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
}
.nav-brand-main {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-1);
}
.nav-brand-sub {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.nav-brand-mark {
  width: 24px; height: 24px;
  border: 1.5px solid var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 11px;
  font-weight: 900;
}
.nav-cta {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.15em;
  padding: 10px 22px;
  border: 1px solid var(--gold);
  color: var(--gold);
  text-transform: uppercase;
  transition: all 0.25s;
  font-weight: 500;
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--bg-0);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  padding: 180px 0 120px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 60%);
  opacity: 0.4;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}
.hero-content { text-align: center; position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 40px;
  padding: 8px 20px;
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  background: rgba(201, 169, 97, 0.05);
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--gold-glow); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(32px, 5.5vw, 68px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  margin-bottom: 32px;
  color: var(--text-1);
}
.hero h1 .quoted {
  color: var(--gold);
  position: relative;
}
.hero h1 .quoted::before,
.hero h1 .quoted::after {
  color: var(--gold-light);
}
.hero-sub {
  font-size: clamp(15px, 1.6vw, 19px);
  color: var(--text-2);
  line-height: 1.9;
  max-width: 720px;
  margin: 0 auto 48px;
  font-weight: 400;
}
.hero-tag {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--text-3);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.hero-meta {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 56px 0 48px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.hero-meta-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-3);
  text-transform: uppercase;
}
.hero-meta-value {
  font-family: var(--font-en);
  font-size: 18px;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.hero-meta-value .jp { font-family: var(--font-jp); font-size: 15px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 20px 44px;
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  transition: all 0.3s ease;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 50%, var(--gold-deep) 100%);
  color: #0a0a0b;
  box-shadow: 0 20px 60px -20px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 80px -20px var(--gold-glow), inset 0 1px 0 rgba(255,255,255,0.4);
}
.btn-primary .arrow {
  font-family: var(--font-en);
  font-weight: 400;
  transition: transform 0.3s;
}
.btn-primary:hover .arrow { transform: translateX(6px); }

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-outline:hover {
  background: var(--gold);
  color: var(--bg-0);
}

.hero-scroll {
  margin-top: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-3);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.hero-scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2.5s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* =========================================================
   SECTION BASE
   ========================================================= */
.section {
  padding: 140px 0;
  position: relative;
}
.section-tight { padding: 100px 0; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 500;
}
.section-label::before {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  margin-bottom: 24px;
  color: var(--text-1);
}
.section-title .gold { color: var(--gold); }

.section-lead {
  font-size: 17px;
  color: var(--text-2);
  line-height: 2;
  max-width: 720px;
  margin-bottom: 60px;
}
.section-lead.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-header { margin-bottom: 80px; }
.section-header.center { text-align: center; }
.section-header.center .section-label { justify-content: center; }

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
  margin: 0 auto;
  max-width: 400px;
}

/* =========================================================
   SEC: ChatGPT → Codex
   ========================================================= */
.transition-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: stretch;
  margin-top: 60px;
}
.transition-card {
  padding: 48px 40px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  position: relative;
}
.transition-card.now { border-color: var(--border-2); }
.transition-card.next {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.06) 0%, transparent 60%), var(--surface);
}
.transition-card-num {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--text-3);
  margin-bottom: 12px;
}
.transition-card.next .transition-card-num { color: var(--gold); }
.transition-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.5;
}
.transition-card.next .transition-card-title { color: var(--gold-light); }
.transition-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.transition-card-list li {
  font-size: 15px;
  color: var(--text-2);
  padding-left: 20px;
  position: relative;
}
.transition-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 1px;
  background: var(--text-3);
}
.transition-card.next .transition-card-list li::before { background: var(--gold); }
.transition-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 32px;
  color: var(--gold);
  font-weight: 200;
}

.transition-summary {
  margin-top: 80px;
  padding: 48px 56px;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(201, 169, 97, 0.04), transparent);
}
.transition-summary p {
  font-size: 20px;
  line-height: 1.9;
  color: var(--text-1);
  font-weight: 500;
}
.transition-summary strong {
  color: var(--gold);
  font-weight: 700;
}

/* =========================================================
   SEC: Goal
   ========================================================= */
.goal-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
  margin: 60px 0;
}
.goal-list li {
  list-style: none;
  padding: 16px 0 16px 32px;
  font-size: 15px;
  color: var(--text-2);
  border-bottom: 1px solid var(--border-1);
  position: relative;
}
.goal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--gold);
  border-right: none;
  border-top: none;
  transform: rotate(-45deg);
}

.callout-quote {
  padding: 56px 48px;
  border: 1px solid var(--border-gold);
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.05), transparent);
  text-align: center;
  margin-top: 60px;
  border-radius: var(--radius-lg);
}
.callout-quote-mark {
  font-family: var(--font-en);
  color: var(--gold);
  font-size: 40px;
  line-height: 1;
  margin-bottom: 16px;
  font-weight: 900;
}
.callout-quote p {
  font-size: 21px;
  font-weight: 700;
  line-height: 1.8;
  color: var(--text-1);
}

/* =========================================================
   SEC: Why need
   ========================================================= */
.workload-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 48px 0 60px;
}
.workload-tag {
  padding: 20px 16px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  text-align: center;
  font-size: 14px;
  color: var(--text-2);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.workload-tag:hover {
  border-color: var(--border-gold);
  color: var(--gold);
}

.solution-block {
  margin-top: 60px;
  padding: 60px;
  background: linear-gradient(135deg, var(--surface-elev) 0%, var(--surface) 100%);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.solution-block::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  width: 200px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-50%);
}
.solution-block-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.solution-block h3 {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 20px;
}
.solution-block p {
  color: var(--text-2);
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

/* =========================================================
   SEC: Safety
   ========================================================= */
.safety-warn {
  padding: 32px 40px;
  background: var(--surface);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 40px 0;
}
.safety-warn-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 12px;
  font-weight: 500;
  text-transform: uppercase;
}
.safety-warn p {
  color: var(--text-1);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9;
}

.safety-principles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.safety-principle {
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.safety-principle-num {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--gold);
  font-weight: 600;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  padding-top: 2px;
}
.safety-principle p {
  color: var(--text-1);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
}

/* =========================================================
   SEC: Target audience
   ========================================================= */
.target-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.target-card {
  padding: 48px 40px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
}
.target-card.positive {
  border-color: var(--border-gold);
  background: linear-gradient(180deg, rgba(201, 169, 97, 0.04), transparent);
}
.target-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-1);
}
.target-card-icon {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid;
  border-radius: 50%;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
}
.target-card.positive .target-card-icon {
  border-color: var(--gold);
  color: var(--gold);
}
.target-card.negative .target-card-icon {
  border-color: var(--text-3);
  color: var(--text-3);
}
.target-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
}
.target-card.negative .target-card-title { color: var(--text-2); }
.target-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.target-list li {
  padding-left: 24px;
  position: relative;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-2);
}
.target-card.positive .target-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.target-card.negative .target-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  color: var(--text-3);
  font-weight: 700;
}

/* =========================================================
   SEC: Curriculum (Day1/Day2)
   ========================================================= */
.day-block {
  margin-bottom: 60px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.day-header {
  padding: 40px 48px;
  border-bottom: 1px solid var(--border-1);
  background: linear-gradient(90deg, rgba(201, 169, 97, 0.06), transparent);
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.day-num {
  font-family: var(--font-en);
  font-size: 72px;
  font-weight: 200;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.03em;
}
.day-header-text { flex: 1; min-width: 260px; }
.day-header-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-3);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.day-header-title {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.5;
  color: var(--text-1);
}
.day-body { padding: 48px; }
.day-body-desc {
  color: var(--text-2);
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 780px;
}
.day-body-heading {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
  font-weight: 500;
}
.day-topics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 32px;
  list-style: none;
  margin-bottom: 40px;
}
.day-topics li {
  padding: 12px 0 12px 24px;
  font-size: 14.5px;
  color: var(--text-1);
  border-bottom: 1px solid var(--border-1);
  position: relative;
}
.day-topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.day-goal {
  padding: 28px 32px;
  border: 1px dashed var(--border-gold);
  border-radius: var(--radius);
  background: rgba(201, 169, 97, 0.03);
}
.day-goal-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.day-goal p {
  font-size: 16px;
  color: var(--text-1);
  font-weight: 600;
  line-height: 1.8;
}

/* =========================================================
   SEC: Hands-on
   ========================================================= */
.handson-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.handson-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 40px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
  align-items: start;
}
.handson-item:hover {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.03), var(--surface));
}
.handson-num {
  font-family: var(--font-en);
  font-size: 64px;
  font-weight: 200;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.03em;
}
.handson-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.5;
  color: var(--text-1);
}
.handson-body p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.9;
}
.handson-body p + p { margin-top: 12px; }

/* =========================================================
   SEC: True value
   ========================================================= */
.value-block {
  padding: 80px 60px;
  background: linear-gradient(135deg, var(--surface-elev), var(--surface));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.value-block::before,
.value-block::after {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  border: 1px solid var(--gold);
}
.value-block::before {
  top: 20px; left: 20px;
  border-right: none;
  border-bottom: none;
}
.value-block::after {
  bottom: 20px; right: 20px;
  border-left: none;
  border-top: none;
}
.value-emphasis {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 24px;
  text-transform: uppercase;
}
.value-block h3 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 32px;
  color: var(--text-1);
}
.value-block h3 .gold { color: var(--gold); }
.value-block p {
  font-size: 16px;
  color: var(--text-2);
  line-height: 2;
  max-width: 700px;
  margin: 0 auto;
}

/* =========================================================
   SEC: Outcomes checklist
   ========================================================= */
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.outcome-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  transition: all 0.3s;
}
.outcome-item:hover {
  border-color: var(--border-gold);
  transform: translateY(-2px);
}
.outcome-check {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border: 1.5px solid var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  margin-top: 4px;
}
.outcome-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-1);
  font-weight: 500;
}

.outcome-final {
  margin-top: 48px;
  text-align: center;
  padding: 40px;
  border-top: 1px solid var(--border-2);
}
.outcome-final p {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.8;
  color: var(--gold-light);
}

/* =========================================================
   SEC: Package contents
   ========================================================= */
.package-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.package-item {
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.3s;
}
.package-item:hover {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.04), var(--surface));
}
.package-item-num {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0.1em;
  min-width: 24px;
}
.package-item-name {
  font-size: 14px;
  color: var(--text-1);
  font-weight: 500;
}
.package-note {
  margin-top: 24px;
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.8;
  padding-left: 16px;
  border-left: 2px solid var(--border-1);
}

/* =========================================================
   SEC: Price
   ========================================================= */
.price-block {
  padding: 80px 60px;
  background:
    radial-gradient(circle at 50% 0%, rgba(201, 169, 97, 0.1), transparent 60%),
    linear-gradient(180deg, var(--surface-elev), var(--surface));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.price-block::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  width: 300px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  transform: translateX(-50%);
}
.price-label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.price-name {
  font-size: 18px;
  color: var(--text-2);
  margin-bottom: 40px;
  font-weight: 500;
}
.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
  font-family: var(--font-en);
  font-weight: 900;
  color: var(--gold-light);
  line-height: 1;
}
.price-currency { font-size: 32px; font-weight: 500; }
.price-value {
  font-size: clamp(56px, 8vw, 96px);
  letter-spacing: -0.03em;
  background: linear-gradient(180deg, var(--gold-light), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.price-tax {
  color: var(--text-3);
  font-size: 13px;
  font-family: var(--font-jp);
  letter-spacing: 0.15em;
  margin-bottom: 48px;
  font-weight: 400;
}
.price-includes {
  max-width: 500px;
  margin: 0 auto 48px;
  text-align: left;
}
.price-includes-title {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--text-3);
  margin-bottom: 20px;
  text-transform: uppercase;
  text-align: center;
}
.price-includes ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}
.price-includes li {
  font-size: 14px;
  color: var(--text-2);
  padding-left: 20px;
  position: relative;
}
.price-includes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}
.price-cta { margin-top: 12px; }

/* =========================================================
   SEC: Future vision
   ========================================================= */
.future-block {
  padding: 80px 0;
}
.future-block p {
  font-size: 17px;
  color: var(--text-2);
  line-height: 2.1;
  margin-bottom: 24px;
}
.future-block p.emphasis {
  font-size: 20px;
  color: var(--text-1);
  font-weight: 500;
  padding: 24px 0;
  border-top: 1px solid var(--border-1);
  border-bottom: 1px solid var(--border-1);
  margin: 40px 0;
}
.future-block p.emphasis .gold { color: var(--gold); font-weight: 700; }
.future-rules {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 40px 0;
}
.future-rule {
  padding: 20px 24px;
  background: var(--surface);
  border-left: 2px solid var(--gold);
  font-size: 15px;
  color: var(--text-1);
  font-weight: 500;
}

/* =========================================================
   SEC: Instructor
   ========================================================= */
.instructor-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 60px;
  align-items: start;
  padding: 60px;
  background: var(--surface);
  border: 1px solid var(--border-1);
  border-radius: var(--radius-lg);
}
.instructor-photo {
  aspect-ratio: 1;
  background:
    linear-gradient(135deg, rgba(201, 169, 97, 0.15), rgba(201, 169, 97, 0.03)),
    repeating-linear-gradient(45deg, var(--bg-2) 0 20px, var(--bg-3) 20px 40px);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-align: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.instructor-photo::before {
  content: "PHOTO";
  position: absolute;
  top: 12px; left: 12px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--gold);
  opacity: 0.7;
}
.instructor-photo:has(img) {
  padding: 0;
  background: var(--surface-elev);
}
.instructor-photo:has(img)::before {
  content: none;
}
.instructor-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.instructor-info h3 {
  font-size: 28px;
  font-weight: 900;
  margin-bottom: 6px;
  color: var(--text-1);
}
.instructor-info .name-en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--text-3);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.instructor-titles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.instructor-title-tag {
  padding: 6px 14px;
  font-size: 12px;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  background: rgba(201, 169, 97, 0.04);
}
.instructor-bio {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.95;
}
.instructor-bio p + p { margin-top: 14px; }
.instructor-creds {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-1);
}
.instructor-cred {
  display: flex;
  gap: 12px;
  align-items: center;
}
.instructor-cred-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-3);
  text-transform: uppercase;
  min-width: 60px;
}
.instructor-cred-value {
  font-size: 13.5px;
  color: var(--text-1);
  font-weight: 500;
}

/* =========================================================
   SEC: FAQ
   ========================================================= */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border-1);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item[open] {
  border-color: var(--border-gold);
  background: linear-gradient(135deg, rgba(201, 169, 97, 0.03), var(--surface));
}
.faq-question {
  padding: 24px 28px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  transition: color 0.2s;
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question:hover { color: var(--gold); }
.faq-q-mark {
  font-family: var(--font-en);
  color: var(--gold);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  flex-shrink: 0;
}
.faq-question-text { flex: 1; }
.faq-toggle {
  width: 24px; height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.3s;
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--gold);
  transition: all 0.3s;
}
.faq-toggle::before {
  width: 12px; height: 1px;
  transform: translate(-50%, -50%);
}
.faq-toggle::after {
  width: 1px; height: 12px;
  transform: translate(-50%, -50%);
}
.faq-item[open] .faq-toggle::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer {
  padding: 0 28px 28px 62px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.95;
}
.faq-answer p + p { margin-top: 12px; }

/* =========================================================
   SEC: Final CTA
   ========================================================= */
.final-cta {
  padding: 140px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--gold-glow), transparent 60%);
  opacity: 0.3;
  filter: blur(80px);
  pointer-events: none;
}
.final-cta-eyebrow {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.final-cta h2 {
  font-size: clamp(28px, 4.5vw, 52px);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 32px;
}
.final-cta h2 .gold { color: var(--gold); }
.final-cta-sub {
  font-size: 17px;
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 2;
}
.final-cta-course {
  padding: 32px;
  border: 1px solid var(--border-gold);
  background: rgba(201, 169, 97, 0.03);
  border-radius: var(--radius-lg);
  max-width: 520px;
  margin: 0 auto 40px;
}
.final-cta-course-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 6px;
}
.final-cta-course-sub {
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 20px;
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}
.final-cta-course-price {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 900;
  color: var(--gold-light);
}
.final-cta-course-price .yen { font-size: 20px; font-weight: 500; }
.final-cta-course-price .tax { font-size: 12px; color: var(--text-3); margin-left: 8px; font-family: var(--font-jp); font-weight: 400; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-1);
  text-align: center;
}
.footer-brand {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.footer-brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border-gold);
  object-fit: cover;
}
.footer-text {
  font-size: 13px;
  color: var(--text-3);
  line-height: 2;
}
.footer-copy {
  margin-top: 20px;
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 0.1em;
}

/* =========================================================
   Reveal Animation
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  body { font-size: 15px; }
  .section { padding: 90px 0; }
  .container, .container-narrow { padding: 0 20px; }

  .nav { padding: 14px 20px; }
  .nav-brand-logo { width: 32px; height: 32px; border-radius: 7px; }
  .nav-brand-main { font-size: 11px; letter-spacing: 0.12em; }
  .nav-brand-sub { font-size: 8px; letter-spacing: 0.14em; }
  .nav-cta { padding: 8px 14px; font-size: 10px; letter-spacing: 0.1em; }

  .hero { padding: 140px 0 80px; }
  .hero-meta { gap: 24px; }

  .transition-grid { grid-template-columns: 1fr; }
  .transition-arrow { transform: rotate(90deg); padding: 8px 0; }
  .transition-summary { padding: 32px 24px; }
  .transition-summary p { font-size: 16px; }

  .goal-list { grid-template-columns: 1fr; }
  .callout-quote { padding: 40px 24px; }
  .callout-quote p { font-size: 17px; }

  .workload-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-block { padding: 40px 24px; }
  .solution-block h3 { font-size: 22px; }

  .safety-warn { padding: 24px; }
  .safety-principles { grid-template-columns: 1fr; }

  .target-grid { grid-template-columns: 1fr; gap: 20px; }
  .target-card { padding: 32px 24px; }

  .day-header { padding: 28px 24px; gap: 20px; }
  .day-num { font-size: 52px; }
  .day-header-title { font-size: 19px; }
  .day-body { padding: 28px 24px; }
  .day-topics { grid-template-columns: 1fr; }

  .handson-item { grid-template-columns: 1fr; gap: 16px; padding: 28px 24px; }
  .handson-num { font-size: 44px; }

  .value-block { padding: 48px 24px; }
  .value-block::before, .value-block::after { width: 60px; height: 60px; }

  .outcomes-grid { grid-template-columns: 1fr; }
  .package-grid { grid-template-columns: 1fr; }
  .price-block { padding: 48px 24px; }
  .price-includes ul { grid-template-columns: 1fr; }

  .future-rules { grid-template-columns: 1fr; }

  .instructor-block { grid-template-columns: 1fr; padding: 32px 24px; gap: 32px; }
  .instructor-photo { max-width: 220px; margin: 0 auto; }
  .instructor-creds { grid-template-columns: 1fr; }

  .faq-question { padding: 20px 20px; font-size: 15px; gap: 14px; }
  .faq-answer { padding: 0 20px 24px 48px; }

  .final-cta { padding: 90px 0; }
  .final-cta-course { padding: 24px; }

  .btn { padding: 16px 28px; font-size: 14px; width: 100%; max-width: 340px; }
}

@media (max-width: 480px) {
  .nav { padding-left: 14px; padding-right: 14px; }
  .nav-brand { gap: 9px; }
  .nav-brand-logo { width: 30px; height: 30px; }
  .nav-brand-sub { display: none; }
  .nav-brand-main { max-width: 132px; font-size: 10px; line-height: 1.2; }
  .footer-brand { flex-direction: column; gap: 10px; }
  .hero-meta { flex-direction: column; gap: 20px; }
  .hero-eyebrow { font-size: 10px; letter-spacing: 0.2em; padding: 6px 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}