/* ==========================================
   Variables & Reset
========================================== */
:root {
  --primary: #006D41;
  --primary-dark: #004d2e;
  --primary-light: #e8f3ed;
  --accent: #b8e04a;
  --text: #0f1a14;
  --text-muted: #5a7060;
  --bg: #0a0f0c;
  --bg-card: #111a14;
  --bg-light: #f8faf8;
  --border: rgba(255,255,255,0.08);
  --border-light: #e2e8e4;
  --white: #ffffff;
  --radius: 12px;
  --radius-lg: 24px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--white);
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================
   Layout
========================================== */
.container {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 20px;
}

.section { padding: 72px 0; }

.section-title {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 40px;
  line-height: 1.35;
}

.section-title .label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

/* ==========================================
   Buttons
========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 9999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.25s ease;
  text-align: center;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,109,65,0.35);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
}
.btn-outline:hover { border-color: var(--white); }

.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

.btn-hero {
  width: 100%;
  padding: 18px;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.btn-cta {
  width: 100%;
  padding: 20px;
  font-size: 1.15rem;
  margin: 20px 0 16px;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(0,109,65,0.35); }
  50% { box-shadow: 0 8px 32px rgba(0,109,65,0.6); transform: scale(1.01); }
}
.pulse { animation: pulse 2.5s ease-in-out infinite; }

/* ==========================================
   Header
========================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,12,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.05em;
}

.logo-mark {
  display: block;
  width: 22px;
  height: 22px;
  background: var(--primary);
  border-radius: 4px;
  position: relative;
  transform: rotate(45deg);
}

.logo-mark-sm {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border-radius: 3px;
  transform: rotate(45deg);
  margin-right: 8px;
  vertical-align: middle;
}

/* ==========================================
   Hero
========================================== */
.hero {
  padding: 72px 0 80px;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse at top center, rgba(0,109,65,0.15) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
}

.hero-tag {
  display: inline-block;
  background: rgba(0,109,65,0.2);
  border: 1px solid rgba(0,109,65,0.4);
  color: #6ee7a8;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 2.15rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .accent {
  color: var(--accent);
}

.hero-lead {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-price-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  margin-bottom: 28px;
  position: relative;
}

.price-label {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.price-main {
  font-family: 'Inter', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
}

.price-tax {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
}

.price-desc {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.hero-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

.hero-scroll {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll span {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 30px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
}

/* ==========================================
   Problem
========================================= */
.problem-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.problem-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.problem-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.problem-card p {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

/* ==========================================
   Solution / Deliverables
========================================== */
.solution-section { background: var(--bg); }

.solution-lead-box {
  background: linear-gradient(135deg, rgba(0,109,65,0.12), rgba(184,224,74,0.06));
  border: 1px solid rgba(0,109,65,0.3);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  margin-bottom: 40px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
}

.solution-lead-box strong {
  color: var(--accent);
}

.deliver-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
  font-family: 'Inter', sans-serif;
}

.deliver-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.deliver-card {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.deliver-num {
  font-family: 'Inter', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: rgba(0,109,65,0.25);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.deliver-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.deliver-content p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

.url-example {
  display: inline-block;
  margin-top: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.78rem;
  color: #6ee7a8;
  font-family: 'Inter', monospace;
}

/* ==========================================
   Flow
========================================== */
.flow-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.flow-steps {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.flow-step {
  display: flex;
  gap: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.flow-arrow {
  text-align: center;
  color: rgba(0,109,65,0.5);
  font-size: 1.3rem;
  padding: 8px 0;
}

.step-num {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.step-body h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.step-body p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ==========================================
   Rules
========================================== */
.rules-section { background: var(--bg); }

.rules-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.rule-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.rule-alert {
  border-color: rgba(255,140,0,0.3);
  background: rgba(255,140,0,0.05);
}

.rule-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}

.rule-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 6px;
}

.rule-item p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
}

/* ==========================================
   Works
========================================== */
.works-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.works-coming {
  text-align: center;
  padding: 48px 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

.coming-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.works-coming p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ==========================================
   FAQ
========================================== */
.faq-section { background: var(--bg); }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-item {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child { border-bottom: none; }

.faq-q {
  font-weight: 700;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.faq-a {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}

/* ==========================================
   CTA
========================================== */
.cta-section {
  background: radial-gradient(ellipse at center, rgba(0,109,65,0.2) 0%, transparent 70%);
  border-top: 1px solid var(--border);
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid rgba(0,109,65,0.3);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
}

.cta-badge {
  display: inline-block;
  background: rgba(255,140,0,0.15);
  border: 1px solid rgba(255,140,0,0.3);
  color: #ffb347;
  padding: 5px 16px;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-title {
  font-size: 1.55rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.35;
}

.cta-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 12px;
}

.cta-price-old {
  font-size: 1rem;
  color: rgba(255,255,255,0.35);
  text-decoration: line-through;
}

.cta-price-new {
  font-family: 'Inter', sans-serif;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
}

.cta-price-new small {
  font-size: 0.95rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
}

.cta-lead {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
  line-height: 1.7;
}

.cta-note {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
}

.cta-trust {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.cta-trust span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
  font-family: 'Inter', sans-serif;
}

/* ==========================================
   Footer
========================================== */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
}

.footer-logo {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
}

.footer-links a:hover { color: rgba(255,255,255,0.6); }