/* =============================================
   NZSTUDY - Professional Green Theme
   ============================================= */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --green-900: #0d3320;
  --green-800: #1a5c38;
  --green-700: #1e7040;
  --green-600: #2a8a4e;
  --green-500: #35a85f;
  --green-400: #4fc47a;
  --green-300: #7dd9a0;
  --green-200: #b2edca;
  --green-100: #d6f5e3;
  --green-50:  #f0faf5;

  --gold:      #d4a017;
  --gold-light:#f0c84a;

  --dark:      #0f1f17;
  --dark-2:    #1c2e24;
  --gray-800:  #2d3a32;
  --gray-600:  #4a5e52;
  --gray-400:  #7a9080;
  --gray-200:  #c8d8cf;
  --gray-100:  #eaf2ed;
  --white:     #ffffff;

  --font-sans: 'Noto Sans JP', sans-serif;
  --font-en:   'Montserrat', sans-serif;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow:    0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.14);
  --shadow-green: 0 4px 20px rgba(42,138,78,0.25);

  --transition: 0.25s ease;
  --header-h: 80px;
}

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

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section--green-light { background: var(--green-50); }
.section--dark { background: var(--green-800); color: var(--white); }
.section--green { background: var(--green-700); color: var(--white); }

.text-green { color: var(--green-600); }
.text-green-light { color: var(--green-300); }
.pc-only { display: inline; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: all var(--transition);
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--green-600);
  color: var(--white);
  border-color: var(--green-600);
  box-shadow: var(--shadow-green);
}
.btn--primary:hover {
  background: var(--green-700);
  border-color: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(42,138,78,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--green-700);
  border-color: var(--green-600);
}
.btn--outline:hover {
  background: var(--green-600);
  color: var(--white);
  transform: translateY(-2px);
}

.btn--white {
  background: var(--white);
  color: var(--green-700);
  border-color: var(--white);
}
.btn--white:hover {
  background: var(--green-50);
  transform: translateY(-2px);
}

.btn--lg { padding: 18px 40px; font-size: 16px; }
.btn--block { width: 100%; }

.btn--gold {
  background: #f0c84a;
  color: #5a3e00;
  border-color: #f0c84a;
  box-shadow: 0 4px 20px rgba(212,160,23,0.35);
}
.btn--gold:hover {
  background: #d4a017;
  border-color: #d4a017;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212,160,23,0.45);
}

/* --- Section Header --- */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header--light .section-title,
.section-header--light .section-desc { color: var(--white); }

.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #7a5200;
  background: #fef3c7;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid #f0c84a;
}
.section--dark .section-label,
.section--green .section-label {
  background: rgba(240,200,74,0.2);
  color: #f0c84a;
  border-color: rgba(240,200,74,0.4);
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.35;
  color: var(--dark);
  margin-bottom: 16px;
}
.section-header--light .section-title { color: var(--white); }

.section-desc {
  font-size: 16px;
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}
.section-desc--light { color: rgba(255,255,255,0.8); }

/* =============================================
   WAVE DIVIDERS
   ============================================= */
.wave-divider {
  display: block;
  line-height: 0;
  margin-bottom: -4px;
  margin-top: -2px;
}
.wave-divider svg {
  width: 100%;
  height: 160px;
  display: block;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.header.scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.logo__img {
  width: 180px;
  height: auto;
  max-height: 60px;
  display: block;
  object-fit: contain;
}

.logo__img--footer {
  width: 120px;
  height: auto;
  max-height: 40px;
  filter: brightness(0) invert(1);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav__link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: 50px;
  transition: all var(--transition);
}
.nav__link:hover { color: var(--green-700); background: var(--green-50); }
.nav__link--cta {
  background: var(--green-600);
  color: var(--white);
  font-weight: 700;
  margin-left: 8px;
}
.nav__link--cta:hover {
  background: var(--green-700);
  color: var(--white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.80) 0%, rgba(255,255,255,0.50) 50%, rgba(255,255,255,0.1) 100%);
}

/* 背景写真が入った場合のオーバーレイ */
.hero__bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.55;
  mix-blend-mode: normal;
  filter: brightness(1.2) saturate(1.3);
}

.hero__bg::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(53,168,95,0.15) 0%, transparent 65%);
  border-radius: 50%;
}
.hero__bg::before {
  content: '';
  position: absolute;
  bottom: 60px;
  left: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(240,200,74,0.12) 0%, transparent 65%);
  border-radius: 50%;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: 80px 24px 120px;
  max-width: 1120px;
  margin: 0 auto;
  width: 100%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f0c84a;
  color: #5a3e00;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}
.hero__badge::before {
  content: '★';
  color: #7a5200;
  font-size: 11px;
}

.hero__title {
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 28px;
  max-width: 680px;
}
.hero__title--accent {
  color: var(--green-600);
  position: relative;
}
.hero__title--accent::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-400), var(--green-200));
  border-radius: 2px;
}

.hero__sub {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--dark);
  margin-bottom: 40px;
  max-width: 560px;
  line-height: 1.9;
  font-weight: 700;
  text-shadow: 0 1px 12px rgba(255,255,255,1), 0 0 20px rgba(255,255,255,0.9);
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
  background: rgba(255,255,255,0.80);
  padding: 20px 28px;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: inline-flex;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__stat-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 800;
  color: var(--green-700);
  line-height: 1;
}
.hero__stat-num small {
  font-size: 16px;
  font-weight: 600;
}
.hero__stat-label {
  font-size: 12px;
  color: var(--gray-600);
  font-weight: 500;
}
.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray-400);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.15em;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gray-400), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  50% { opacity: 0.3; transform: scaleY(0.3); transform-origin: top; }
}

/* =============================================
   PROBLEMS
   ============================================= */
.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.problem-card:nth-child(1) { border: 2px solid #4fc47a; }
.problem-card:nth-child(2) { border: 2px solid #f0c84a; }
.problem-card:nth-child(3) { border: 2px solid #6db8e8; }
.problem-card:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}
.problem-card__icon {
  font-size: 40px;
  margin-bottom: 16px;
}
.problem-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.45;
}
.problem-card__text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
}

.problems__solution {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  border-radius: var(--radius-xl);
  padding: 48px 40px;
}
.problems__solution-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.problems__solution-text {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--white);
  line-height: 1.7;
  max-width: 600px;
}
.problems__solution-text strong { color: var(--gold-light); }

/* =============================================
   ABOUT
   ============================================= */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__image-wrap { position: relative; }

.about__image-wrap { position: relative; }

.about__photo {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: block;
}


.about__text {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 16px;
}
.about__text strong { color: var(--green-700); font-weight: 700; }

.about__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--green-200);
}
.about__feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
}
.about__feature-icon {
  width: 24px;
  height: 24px;
  background: var(--green-600);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

/* =============================================
   SERVICE
   ============================================= */
.service__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.service-card:hover {
  border-color: var(--green-300);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}
.service-card--featured {
  border-color: var(--green-500);
  background: linear-gradient(160deg, var(--green-50), var(--white));
  box-shadow: var(--shadow-green);
}
.service-card--cta {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  border-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-card--cta:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.service-card__badge {
  position: absolute;
  top: -12px;
  left: 28px;
  background: var(--green-600);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.service-card__number {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #d4a017;
  margin-bottom: 12px;
}
.service-card__icon { font-size: 36px; margin-bottom: 14px; }
.service-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}
.service-card__text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 16px;
}
.service-card__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-card__list li {
  font-size: 13px;
  color: var(--gray-600);
  padding-left: 18px;
  position: relative;
}
.service-card__list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green-500);
  font-size: 11px;
  top: 2px;
}

.service-card__cta-content {
  text-align: center;
}
.service-card__cta-text {
  color: rgba(255,255,255,0.9);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* =============================================
   REASONS
   ============================================= */
.reason__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.reason-card {
  background: var(--white);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--transition);
}
.reason-card:hover {
  background: var(--white);
  border-color: var(--green-300);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.reason-card__title { color: var(--dark); }
.reason-card__text { color: var(--gray-600); }

.reason-card__num {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--green-400);
  margin-bottom: 12px;
}
.reason-card__icon { font-size: 36px; margin-bottom: 14px; }
.reason-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.4;
}
.reason-card__text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.85;
}

/* =============================================
   PRICING
   ============================================= */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card--featured {
  border-color: var(--green-500);
  box-shadow: var(--shadow-green);
  transform: scale(1.03);
}
.pricing-card--featured:hover { transform: scale(1.03) translateY(-4px); }

.pricing-card__badge {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  text-align: center;
  background: var(--green-600);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 6px;
  letter-spacing: 0.05em;
}

.pricing-card__header {
  padding: 36px 28px 24px;
  border-bottom: 1px solid var(--gray-100);
  text-align: center;
}
.pricing-card--featured .pricing-card__header { padding-top: 56px; }

.pricing-card__name {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}
.pricing-card__price-from { font-size: 20px; color: var(--green-700); font-weight: 700; }
.pricing-card__price-num {
  font-family: var(--font-en);
  font-size: 42px;
  font-weight: 800;
  color: var(--green-700);
  line-height: 1;
}
.pricing-card__price-unit { font-size: 14px; color: var(--gray-600); }
.pricing-card__desc { font-size: 13px; color: var(--gray-400); }

.pricing-card__price-original {
  font-size: 13px;
  color: var(--gray-400);
  margin-bottom: 6px;
}
.pricing-card__price-original s {
  color: var(--gray-400);
}

.pricing-card__campaign-badge {
  display: inline-block;
  background: #f59e0b;
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.pricing-card__features {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}
.pricing-card__feature {
  font-size: 14px;
  padding-left: 26px;
  position: relative;
  line-height: 1.5;
}
.pricing-card__feature--yes {
  color: var(--gray-800);
}
.pricing-card__feature--yes::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: 700;
}
.pricing-card__feature--no {
  color: var(--gray-400);
}
.pricing-card__feature--no::before {
  content: '✕';
  position: absolute;
  left: 0;
  color: var(--gray-300);
}

.pricing-card .btn {
  margin: 0 28px 28px;
  width: calc(100% - 56px);
}

.pricing__note {
  text-align: center;
  font-size: 13px;
  color: var(--gray-400);
  margin-top: 8px;
}

/* =============================================
   FLOW
   ============================================= */
.flow__steps {
  display: flex;
  align-items: stretch;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}

.flow-step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  padding: 36px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--green-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.flow-step:hover {
  border-color: var(--green-400);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}

.flow-step__num {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #7a5200;
  background: #fef3c7;
  border: 1px solid #f0c84a;
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.flow-step__icon { font-size: 40px; margin-bottom: 14px; }
.flow-step__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.flow-step__text {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.8;
}

.flow__arrow {
  color: var(--green-400);
  font-size: 24px;
  font-weight: 300;
  margin-top: 70px;
  flex-shrink: 0;
  padding: 0 8px;
}

/* =============================================
   FAQ
   ============================================= */
.faq__list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--green-300); }
.faq-item.open { border-color: var(--green-500); }

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--dark);
  transition: background var(--transition);
}
.faq-item__question:hover { background: var(--green-50); }

.faq-item__icon {
  font-size: 22px;
  font-weight: 300;
  color: var(--green-600);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.faq-item.open .faq-item__icon { transform: rotate(45deg); }

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-item__answer { max-height: 300px; }

.faq-item__answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.85;
  border-top: 1px solid var(--gray-100);
  padding-top: 16px;
}

/* =============================================
   CONTACT
   ============================================= */
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}
.contact-info-card:hover { background: rgba(255,255,255,0.18); }

.contact-info-card__icon { font-size: 28px; margin-bottom: 10px; }
.contact-info-card__title {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.65);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.contact-info-card__value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  transition: color var(--transition);
  margin-bottom: 4px;
}
.contact-info-card__value:hover { color: var(--gold-light); }
.contact-info-card__value--sm { font-size: 15px; }
.contact-info-card__note { font-size: 12px; color: rgba(255,255,255,0.55); }

.contact__form {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 6px;
}
.form-required { color: #e53e3e; }
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(53,168,95,0.15);
}
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.7; }
.form-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%234a5e52' d='M6 8L0 0h12z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

.contact__form-note {
  font-size: 11px;
  color: var(--gray-400);
  text-align: center;
  margin-top: 12px;
  line-height: 1.6;
}

.form-success {
  background: var(--green-50);
  border: 1.5px solid var(--green-400);
  border-radius: var(--radius);
  color: var(--green-800);
  font-size: 14px;
  font-weight: 500;
  padding: 16px 20px;
  text-align: center;
  line-height: 1.7;
  margin-top: 12px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--dark-2);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-top: 16px;
  margin-bottom: 24px;
}

.footer__social {
  display: flex;
  gap: 12px;
}
.footer__social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.07);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: all var(--transition);
}
.footer__social-link:hover {
  background: var(--green-700);
  color: var(--white);
  transform: translateY(-2px);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer__nav-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 16px;
}
.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__nav-list a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--transition);
}
.footer__nav-list a:hover { color: var(--green-300); }

.footer__bottom {
  background: rgba(0,0,0,0.2);
  padding: 18px 0;
}
.footer__copy {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* =============================================
   FLOATING CTA
   ============================================= */
.floating-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 900;
  background: var(--green-600);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 50px;
  box-shadow: 0 4px 24px rgba(42,138,78,0.45);
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
}
.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.floating-cta:hover {
  background: var(--green-700);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(42,138,78,0.5);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .service__grid { grid-template-columns: repeat(2, 1fr); }
  .problems__grid { grid-template-columns: repeat(2, 1fr); }
  .pricing__grid { grid-template-columns: 1fr 1fr; }
  .pricing-card--featured { transform: none; }
  .pricing-card--featured:hover { transform: translateY(-4px); }
  .reason__grid { grid-template-columns: 1fr; max-width: 640px; margin: 0 auto; }
  .flow__steps { gap: 16px; }
  .flow__arrow { display: none; }
  .flow-step { min-width: 160px; max-width: 220px; }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }
  .section { padding: 72px 0; }
  .pc-only { display: none; }

  /* nav */
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    border-bottom: 1px solid var(--gray-200);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
  }
  .nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__list { flex-direction: column; gap: 8px; }
  .nav__link { display: block; padding: 12px 16px; border-radius: var(--radius); font-size: 16px; }
  .nav__link--cta { text-align: center; margin-left: 0; }
  .hamburger { display: flex; }

  /* hero */
  .hero__inner { padding: 40px 20px 60px; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .hero__stats { gap: 20px; }
  .hero__stat-divider { display: none; }

  /* grids */
  .problems__grid { grid-template-columns: 1fr; }
  .about__inner { grid-template-columns: 1fr; gap: 40px; }
  .about__image-placeholder { max-height: 260px; }
  .service__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
  .pricing-card--featured { order: -1; }
.flow__steps { flex-direction: column; align-items: center; }
  .flow-step { min-width: 280px; max-width: 100%; }
  .contact__inner { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .footer__nav { grid-template-columns: 1fr 1fr; }

  /* problems solution */
  .problems__solution-inner { flex-direction: column; text-align: center; }

  /* floating cta */
  .floating-cta { display: none; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .footer__nav { grid-template-columns: 1fr; }
  .contact__form { padding: 28px 20px; }
  .hero__stats {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0;
    padding: 12px 16px;
    width: 100%;
  }
  .hero__stat { flex: 1; text-align: center; }
  .hero__stat-divider { display: block; width: 1px; height: 32px; background: var(--gray-200); }
  .hero__stat-num { font-size: 20px; }
  .hero__stat-num small { font-size: 11px; }
  .hero__stat-label { font-size: 10px; }
}