/* ===========================
   BASE & VARIABLES
=========================== */
:root {
  --primary: #1a3a5c;
  --primary-dark: #0d1f35;
  --primary-light: #2a5a8c;
  --accent: #c8960c;
  --accent-light: #f0b429;
  --accent-dark: #a07008;
  --gold: #d4a843;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f0f2f5;
  --gray-200: #e4e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --text-base: #1e2d3d;
  --text-muted: #5a6a7e;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text-base);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===========================
   UTILITY
=========================== */
.accent { color: var(--accent); }
.accent-text { color: var(--accent); font-weight: 700; }
.gold-text { color: var(--gold); font-weight: 700; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-label.light { color: var(--accent-light); }

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.45;
  margin-bottom: 14px;
}

.section-title.light { color: #fff; }
.section-title .accent { color: var(--accent); }

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 52px;
  line-height: 1.9;
}

.section-subtitle.light { color: rgba(255,255,255,0.7); }

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(7px); }
}
@keyframes heroPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(200,150,12,0.45); }
  50%       { box-shadow: 0 4px 36px rgba(200,150,12,0.8), 0 0 0 10px rgba(200,150,12,0.1); }
}
@keyframes lineGrow {
  from { width: 0; }
  to   { width: 60px; }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.45s; }
.delay-5 { transition-delay: 0.6s; }

/* ===========================
   HEADER
=========================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(8, 18, 32, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(200,150,12,0.25);
  transition: var(--transition);
}

.header-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.logo-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.82);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--accent-light);
  transition: width 0.3s ease;
}

.header-nav a:hover { color: var(--accent-light); }
.header-nav a:hover::after { width: 100%; }

.btn-header-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: var(--transition);
  box-shadow: 0 3px 14px rgba(200,150,12,0.38);
  white-space: nowrap;
}

.btn-header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(200,150,12,0.55);
  filter: brightness(1.1);
}

/* ===========================
   HERO
=========================== */
.hero {
  min-height: 100vh;
  background: url('../images/hero-bg.jpg?v=3') center center / cover no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 130px 24px 60px;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(2, 6, 16, 0.55) 0%,
      rgba(4, 10, 24, 0.45) 45%,
      rgba(2, 6, 16, 0.75) 100%
    );
  pointer-events: none;
}

.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }

.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: rgba(200,150,12,0.45);
  border-radius: 50%;
  animation: float var(--dur) ease-in-out infinite;
  animation-delay: var(--delay);
}

.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1080px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,150,12,0.18);
  border: 1px solid rgba(200,150,12,0.5);
  color: var(--accent-light);
  padding: 7px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-family: 'Noto Serif JP', 'Yu Mincho', '游明朝', 'Hiragino Mincho ProN', serif;
  font-size: clamp(2rem, 5.2vw, 3.6rem);
  font-weight: 900;
  color: #f5c842;
  line-height: 1.45;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 24px rgba(0,0,0,0.5);
}

.hero-title-accent {
  display: block;
  font-family: 'Noto Serif JP', 'Yu Mincho', '游明朝', 'Hiragino Mincho ProN', serif;
  font-size: clamp(1.3rem, 3.2vw, 2.2rem);
  font-weight: 700;
  color: #f5c842;
  letter-spacing: 0.04em;
  margin-top: 8px;
  line-height: 1.65;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
}

.hero-subtitle {
  font-family: 'Noto Serif JP', 'Yu Mincho', '游明朝', 'Hiragino Mincho ProN', serif;
  color: rgba(255,255,255,0.92);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 36px;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 40px;
}

.hero-feat-card {
  background: rgba(10, 15, 30, 0.55);
  border: 1px solid rgba(200,150,12,0.35);
  border-radius: 10px;
  padding: 18px 10px 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
  cursor: default;
}

.hero-feat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(200,150,12,0.7);
  background: rgba(20, 28, 50, 0.70);
}

.hero-feat-card.highlight {
  background: rgba(200,150,12,0.18);
  border-color: rgba(200,150,12,0.65);
  box-shadow: 0 0 20px rgba(200,150,12,0.25);
}

.hero-feat-icon { font-size: 1.3rem; color: var(--accent-light); margin-bottom: 6px; }
.hero-feat-label { font-size: 0.68rem; color: rgba(255,255,255,0.6); letter-spacing: 0.06em; margin-bottom: 4px; }

.hero-feat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: #f5c842;
  line-height: 1.1;
  margin-bottom: 4px;
}

.hero-feat-value .unit { font-size: 0.72rem; font-weight: 600; color: rgba(245,200,66,0.8); }
.hero-feat-value .unit-sm { font-size: 0.78rem; font-weight: 700; color: #f5c842; letter-spacing: 0.02em; }
.hero-feat-note { font-size: 0.65rem; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.pulse-btn { animation: heroPulse 2.8s ease-in-out infinite; }

/* イメージUPカード */
.hero-feat-card--image-up {
  background: linear-gradient(135deg, rgba(180,120,0,0.30), rgba(200,150,12,0.20));
  border-color: rgba(200,150,12,0.70);
  box-shadow: 0 0 22px rgba(200,150,12,0.22);
}

.hero-feat-card--image-up .hero-feat-icon {
  color: #ffd700;
  font-size: 1.4rem;
}

.hero-feat-value--imageup {
  margin-bottom: 4px;
  line-height: 1.2;
}

.unit-sm--gold {
  font-size: 0.72rem;
  font-weight: 800;
  color: #f5c842;
  letter-spacing: 0.01em;
  display: block;
  line-height: 1.4;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.55);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  z-index: 2;
}

.hero-scroll-indicator .bounce { animation: bounceDown 1.6s ease-in-out infinite; }

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 16px 38px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 4px 20px rgba(200,150,12,0.4);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(200,150,12,0.55);
  filter: brightness(1.1);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: #fff;
  padding: 15px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: 1.5px solid rgba(255,255,255,0.45);
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.75);
  transform: translateY(-3px);
}

/* ===========================
   VIDEO SECTION
=========================== */
.video-section {
  padding: 100px 0;
  background: #060f1e;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.video-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(200,150,12,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 100%, rgba(26,58,92,0.3) 0%, transparent 50%);
  pointer-events: none;
}

.video-section-inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.video-section .section-label { color: var(--accent-light); }
.video-section .section-title { color: #fff; }
.video-section .section-title .accent { color: var(--accent-light); }
.video-section .section-subtitle { color: rgba(255,255,255,0.65); }

.video-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(200,150,12,0.3),
    0 30px 80px rgba(0,0,0,0.7),
    0 0 60px rgba(200,150,12,0.08);
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  border: none;
  border-radius: 20px;
}

/* ===========================
   PROBLEM SECTION
=========================== */
.problem-section {
  padding: 110px 0 90px;
  background: var(--gray-50);
  text-align: center;
  position: relative;
}

.problem-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-light), var(--accent-dark));
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto 48px;
}

.problem-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 44px 28px 36px;
  text-align: left;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.problem-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.problem-card:hover::before { transform: scaleX(1); }

.problem-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
  font-family: 'Noto Serif JP', serif;
}

.problem-card p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.85;
}

.solution-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
}

.solution-arrow i {
  font-size: 2.2rem;
  animation: float 2s ease-in-out infinite;
}

/* ===========================
   WHAT IS SECTION
=========================== */
.whatis-section {
  padding: 110px 0;
  background: #fff;
}

.whatis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
  max-width: 1060px;
  margin: 0 auto;
}

.whatis-lead {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.7;
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
}

/* Whatis photo */
.whatis-photo-wrap {
  position: relative;
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.whatis-photo {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.whatis-photo-wrap:hover .whatis-photo {
  transform: scale(1.03);
}

.whatis-photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 10px 18px;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.whatis-photo-caption i {
  color: var(--accent-light);
  font-size: 0.78rem;
}

.whatis-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.9;
  margin-bottom: 20px;
}

.whatis-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.whatis-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--text-base);
  line-height: 1.7;
}

.whatis-list li i {
  color: var(--accent);
  margin-top: 3px;
  flex-shrink: 0;
  font-size: 1rem;
}

/* Orbit visual */
.whatis-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatis-circle-wrap {
  position: relative;
  width: 300px;
  height: 300px;
}

.orbit-ring {
  position: absolute;
  inset: 0;
  border: 1.5px dashed rgba(200,150,12,0.3);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.main-circle {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 110px; height: 110px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  border: 3px solid rgba(200,150,12,0.5);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 1.8rem;
  box-shadow: 0 0 30px rgba(200,150,12,0.2), 0 8px 32px rgba(0,0,0,0.25);
  z-index: 2;
}

.main-circle span {
  font-size: 0.6rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.4;
  margin-top: 4px;
}

.orbit-items-wrap { position: absolute; inset: 0; }

.orbit-item {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  background: #fff;
  border: 1.5px solid rgba(200,150,12,0.4);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  white-space: nowrap;
}

.orbit-item i { font-size: 1.1rem; color: var(--accent); }

.orbit-item--top    { top: -10px; left: 50%; transform: translateX(-50%); }
.orbit-item--right  { right: -10px; top: 50%; transform: translateY(-50%); }
.orbit-item--bottom { bottom: -10px; left: 50%; transform: translateX(-50%); }
.orbit-item--left   { left: -10px; top: 50%; transform: translateY(-50%); }

/* ===========================
   FEATURES SECTION
=========================== */
.features-section {
  padding: 110px 0;
  background: var(--gray-50);
  position: relative;
  overflow: hidden;
}

.features-section::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 28px 32px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card--primary { border-color: rgba(200,150,12,0.35); background: linear-gradient(145deg, #fffef9, #fff9ec); }
.feature-card--primary::after { background: linear-gradient(90deg, var(--accent), var(--accent-light)); transform: scaleX(1); }
.feature-card--social::after { background: linear-gradient(90deg, #16a34a, #22c55e); }

.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::after { transform: scaleX(1); }

.feature-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-200);
  line-height: 1;
  position: absolute;
  top: 20px; right: 22px;
  letter-spacing: -0.02em;
}

.feature-card--primary .feature-num { color: rgba(200,150,12,0.18); }

.feature-icon-wrap {
  width: 58px; height: 58px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 20px;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 16px rgba(26,58,92,0.25);
}

.feature-card--primary .feature-icon-wrap { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 4px 16px rgba(200,150,12,0.3); }
.feature-card--social .feature-icon-wrap  { background: linear-gradient(135deg, #16a34a, #22c55e); box-shadow: 0 4px 16px rgba(22,163,74,0.28); }

.feature-card:hover .feature-icon-wrap { transform: scale(1.08) rotate(-4deg); }

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
  font-family: 'Noto Serif JP', serif;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.91rem;
  line-height: 1.85;
  margin-bottom: 18px;
}

.feature-highlight-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-top: auto;
}

.feature-card--primary .feature-highlight-box {
  background: rgba(200,150,12,0.08);
  border-color: rgba(200,150,12,0.25);
}

.fh-label { font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
.fh-value { font-size: 0.92rem; font-weight: 700; color: var(--primary-dark); }
.feature-card--primary .fh-value { color: var(--accent-dark); }

/* ===========================
   RETURNS / SIMULATION
=========================== */
.returns-section {
  padding: 110px 0;
  background: linear-gradient(160deg, var(--primary-dark) 0%, #0f2845 50%, #152f52 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.returns-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(200,150,12,0.10) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 80%, rgba(42,90,140,0.25) 0%, transparent 50%);
  pointer-events: none;
}

.returns-section .section-label { color: var(--accent-light); }
.returns-section .section-title { color: #fff; }
.returns-section .section-title .accent { color: var(--accent-light); }
.returns-section .section-subtitle { color: rgba(255,255,255,0.65); }
.returns-section .container { text-align: center; }

/* Tabs */
.sim-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.sim-tab {
  padding: 10px 28px;
  border-radius: 50px;
  border: 1.5px solid rgba(200,150,12,0.4);
  background: transparent;
  color: rgba(255,255,255,0.7);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Noto Sans JP', sans-serif;
}

.sim-tab:hover { border-color: var(--accent-light); color: var(--accent-light); }

.sim-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(200,150,12,0.4);
}

/* Sim content */
.sim-content {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 40px 44px;
  backdrop-filter: blur(8px);
  max-width: 820px;
  margin: 0 auto 48px;
}

.sim-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.sim-invest, .sim-return, .sim-profit {
  text-align: center;
  flex: 1;
  min-width: 140px;
}

.sim-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-weight: 500;
}

.sim-amount {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  color: #fff;
  display: block;
}

.sim-amount.accent-text { color: var(--accent-light); }
.sim-amount.gold-text { color: #ffd700; }

.sim-arrow {
  font-size: 1.5rem;
  color: rgba(200,150,12,0.6);
  flex-shrink: 0;
}

/* Progress bars */
.sim-timeline {
  text-align: left;
}

.sim-timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
}

.sim-monthly {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-light);
}

.sim-bars {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.sim-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sim-bar-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  width: 40px;
  flex-shrink: 0;
  text-align: right;
}

.sim-bar-track {
  flex: 1;
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  overflow: hidden;
}

.sim-bar-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent-dark), var(--accent-light));
  transition: width 0.8s ease;
  width: 0;
}

.sim-bar-val {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-light);
  width: 80px;
  flex-shrink: 0;
  text-align: left;
}

.sim-year-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.35);
  padding: 0 4px;
}

.sim-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  margin-top: 20px;
  line-height: 1.7;
  text-align: left;
}

.sim-note i { flex-shrink: 0; margin-top: 2px; }

/* Tax Benefit */
.tax-benefit {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  background: rgba(22,163,74,0.12);
  border: 1px solid rgba(22,163,74,0.3);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
}

.tax-icon {
  width: 56px; height: 56px;
  background: rgba(22,163,74,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #4ade80;
  flex-shrink: 0;
}

.tax-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #4ade80;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.tax-content p {
  color: rgba(255,255,255,0.72);
  font-size: 0.92rem;
  line-height: 1.85;
  margin-bottom: 20px;
}

.tax-content strong { color: #fff; }

.tax-steps {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tax-step {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.ts-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-light);
}

.ts-text {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.75);
}

.ts-arrow { color: rgba(200,150,12,0.5); font-size: 0.9rem; }

/* ===========================
   SOCIAL SECTION
=========================== */
.social-section {
  padding: 110px 0;
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.social-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(200,150,12,0.08) 0%, transparent 60%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.social-bg-overlay { display: none; }

.social-section .container { position: relative; z-index: 1; }

.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}

.social-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius-lg);
  padding: 36px 22px 30px;
  transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
  position: relative;
  overflow: hidden;
}

.social-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.social-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(200,150,12,0.35);
}

.social-card:hover::before { transform: scaleX(1); }

.social-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(200,150,12,0.25), rgba(200,150,12,0.1));
  border: 1.5px solid rgba(200,150,12,0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent-light);
  margin: 0 auto 20px;
  transition: transform 0.3s ease;
}

.social-card:hover .social-icon { transform: scale(1.1) rotate(-5deg); }

.social-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  font-family: 'Noto Serif JP', serif;
}

.social-card p {
  color: rgba(255,255,255,0.58);
  font-size: 0.88rem;
  line-height: 1.85;
}

/* SDGs badges */
.sdgs-section {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 48px;
}

.sdgs-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.sdgs-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.sdgs-badge {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  min-width: 200px;
  transition: var(--transition);
}

.sdgs-badge:hover { transform: translateY(-3px); border-color: rgba(255,255,255,0.3); }

.sdgs-num {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  min-width: 40px;
}

.sdgs-11 .sdgs-num { color: #f99d26; }
.sdgs-16 .sdgs-num { color: #00689d; }
.sdgs-17 .sdgs-num { color: #19486a; }

.sdgs-text {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  text-align: left;
}

/* ===========================
   TRUST SECTION
=========================== */
.trust-section {
  padding: 110px 0;
  background: var(--gray-50);
  position: relative;
  overflow: hidden;
  text-align: center;
}

.trust-grid {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: 64px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.trust-stat {
  flex: 1;
  padding: 32px 20px;
  position: relative;
}

.trust-stat + .trust-stat::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--gray-200);
}

.trust-num {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--primary-dark);
  line-height: 1;
  margin-bottom: 8px;
  animation: countUp 0.6s ease forwards;
}

.ts-unit { font-size: 1rem; font-weight: 700; color: var(--accent); }
.trust-label { font-size: 0.82rem; color: var(--text-muted); letter-spacing: 0.06em; }

.trust-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}

.trust-point {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 30px 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--accent);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: left;
}

.trust-point:hover { transform: translateX(6px); box-shadow: var(--shadow-lg); }

.tp-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #fff;
  flex-shrink: 0;
}

.tp-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  font-family: 'Noto Serif JP', serif;
}

.tp-content p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ===========================
   FLOW SECTION
=========================== */
.flow-section {
  padding: 110px 0;
  background: linear-gradient(160deg, #0d1f35 0%, #1a3a5c 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.flow-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(200,150,12,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.flow-section .section-label { color: var(--accent-light); }
.flow-section .section-title { color: #fff; }
.flow-section .section-title .accent { color: var(--accent-light); }

.flow-steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
}

/* 横ライン */
.flow-steps::before {
  content: '';
  position: absolute;
  top: 100px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, rgba(200,150,12,0.0), rgba(200,150,12,0.5), rgba(200,150,12,0.0));
  pointer-events: none;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 0 18px;
  position: relative;
}

.flow-step-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--accent-light);
  margin-bottom: 18px;
  display: block;
}

.flow-step-icon {
  width: 80px; height: 80px;
  background: rgba(200,150,12,0.12);
  border: 2px solid rgba(200,150,12,0.45);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--accent-light);
  margin: 0 auto 22px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
  backdrop-filter: blur(4px);
}

.flow-step:hover .flow-step-icon {
  background: rgba(200,150,12,0.28);
  border-color: var(--accent-light);
  transform: scale(1.1);
  box-shadow: 0 0 24px rgba(200,150,12,0.3);
}

.flow-step h3 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  font-family: 'Noto Serif JP', serif;
}

.flow-step p {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.52);
  line-height: 1.8;
}

.flow-arrow {
  display: flex;
  align-items: center;
  padding-top: 100px;
  color: rgba(200,150,12,0.45);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ===========================
   FAQ SECTION
=========================== */
.faq-section {
  padding: 110px 0;
  background: #fff;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.open {
  border-color: rgba(200,150,12,0.45);
  box-shadow: 0 4px 20px rgba(200,150,12,0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--primary-dark);
  gap: 16px;
  transition: var(--transition);
  font-family: 'Noto Sans JP', sans-serif;
}

.faq-question::before {
  content: 'Q';
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.faq-question:hover { color: var(--primary); }

.faq-icon {
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s ease;
  font-size: 0.82rem;
}

.faq-item.open .faq-icon { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer.open {
  max-height: 400px;
  padding: 0 26px 22px 52px;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.85;
  position: relative;
  padding-left: 16px;
}

.faq-answer p::before {
  content: 'A';
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.95rem;
  color: var(--primary);
  position: absolute;
  left: -26px;
  top: 0;
}

/* ===========================
   CONTACT SECTION
=========================== */
.contact-section {
  padding: 120px 0;
  background: linear-gradient(160deg, #060e1a 0%, #0d1f35 50%, #1a3a5c 100%);
  position: relative;
  overflow: hidden;
}

.contact-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 0%, rgba(200,150,12,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 100%, rgba(42,90,140,0.15) 0%, transparent 50%);
  pointer-events: none;
}

.contact-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.contact-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 14px;
}

.accent-gold { color: var(--accent-light); }

.contact-subtitle {
  color: rgba(255,255,255,0.65);
  font-size: 0.98rem;
  line-height: 1.9;
  margin-bottom: 44px;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-xl);
  padding: 44px 44px 36px;
  text-align: left;
  backdrop-filter: blur(8px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-row .form-group { margin-bottom: 0; }

.form-group label {
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(255,255,255,0.72);
  letter-spacing: 0.03em;
}

.required { color: var(--accent-light); }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-size: 0.95rem;
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.28); }

.form-group select option { background: var(--primary-dark); color: #fff; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.11);
  box-shadow: 0 0 0 3px rgba(200,150,12,0.18);
}

.form-group textarea { resize: vertical; }

.contact-form-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 18px 32px;
  border: none;
  border-radius: 50px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 22px rgba(200,150,12,0.42);
  transition: var(--transition);
  font-family: 'Noto Sans JP', sans-serif;
  margin-bottom: 16px;
}

.contact-form-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(200,150,12,0.55);
  filter: brightness(1.1);
}

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.contact-success {
  text-align: center;
  padding: 60px 32px;
}

.success-icon {
  font-size: 4rem;
  color: #4ade80;
  margin-bottom: 16px;
}

.contact-success h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.contact-success p { color: rgba(255,255,255,0.6); }

/* ===========================
   FOOTER
=========================== */
.site-footer {
  background: #04090f;
  color: rgba(255,255,255,0.65);
  padding: 64px 0 0;
}

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 12px;
}

.footer-org {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}

.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.footer-links a {
  font-size: 0.84rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover { color: var(--accent-light); }

.footer-copy {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 20px 0;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.28);
}

/* ===========================
   FLOATING CTA
=========================== */
.floating-cta {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}

.floating-cta.visible { opacity: 1; transform: translateY(0); pointer-events: all; }

.floating-cta-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  padding: 14px 24px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 6px 24px rgba(200,150,12,0.5);
  transition: var(--transition);
}

.floating-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(200,150,12,0.65);
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
  .hero-features-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .social-grid { grid-template-columns: repeat(2, 1fr); }
  .whatis-grid { grid-template-columns: 1fr; gap: 48px; }
  .whatis-visual { display: none; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }

  .hero-features-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }

  .problem-grid { grid-template-columns: 1fr; max-width: 480px; }
  .features-grid { grid-template-columns: 1fr; }
  .social-grid { grid-template-columns: repeat(2, 1fr); }

  .flow-steps { flex-direction: column; align-items: center; max-width: 360px; }
  .flow-steps::before { display: none; }
  .flow-arrow { padding-top: 0; transform: rotate(90deg); }

  .sim-content { padding: 28px 22px; }
  .sim-top { gap: 12px; }

  .tax-benefit { flex-direction: column; gap: 18px; padding: 28px 24px; }
  .tax-steps { flex-direction: column; }
  .ts-arrow { transform: rotate(90deg); }

  .contact-form { padding: 28px 22px 24px; }
  .form-row { grid-template-columns: 1fr; }

  .trust-grid { flex-direction: column; margin-bottom: 40px; }
  .trust-stat + .trust-stat::before { display: none; }
  .trust-point { flex-direction: column; gap: 14px; }
}

@media (max-width: 480px) {
  .hero-features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-cta-group { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }

  .social-grid { grid-template-columns: 1fr; }
  .sim-tabs { gap: 8px; }
  .sim-tab { padding: 8px 18px; }
  .sdgs-badges { flex-direction: column; align-items: center; }
  .sdgs-badge { min-width: unset; width: 100%; max-width: 280px; }
}