:root {
  --primary: #0d7377;
  --primary-light: #14a3a8;
  --primary-dark: #095255;
  --primary-bg: #e8f6f6;
  --accent: #10b981;
  --accent-warm: #f59e0b;
  --bg: #f7fafa;
  --bg-white: #ffffff;
  --bg-subtle: #eef4f4;
  --text: #1a2e2e;
  --text-muted: #4a6565;
  --text-light: #7a9999;
  --shadow-sm: 0 1px 3px rgba(13,115,119,0.06);
  --shadow-md: 0 4px 16px rgba(13,115,119,0.08);
  --shadow-lg: 0 12px 40px rgba(13,115,119,0.12);
  --shadow-card: 0 2px 12px rgba(13,115,119,0.07);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}

body {
  font-family: 'Inter', 'Noto Sans JP', 'Noto Sans SC', 'Noto Sans Devanagari', -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text)}
a{text-decoration:none}
.text-highlight{color:var(--primary)}
.no-wrap{white-space:nowrap}

.hero-title,
.section-title,
.cta-title {
  text-wrap: balance;
}

.container{max-width:1100px;margin:0 auto;padding:0 28px}

/* Prevent horizontal overflow on mobile */
html, body { overflow-x: hidden; }

/* ===== Navbar ===== */
.navbar {
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(13,115,119,0.06);
}
.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-section{display:flex;align-items:center;gap:10px}
.nav-logo{width:30px;height:30px;flex-shrink:0}
.nav-title{
  height: 32px;
  width: auto;
  display: block;
  position: relative;
  top: 3.5px;
}

/* Language Switcher */
.nav-actions{display:flex;align-items:center;gap:12px}

.lang-selector {
  position: relative;
}
.lang-selector-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: white;
  color: var(--text-muted);
  border: 1.5px solid rgba(13,115,119,0.15);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}
.lang-selector-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.lang-selector-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  border: 1px solid rgba(13,115,119,0.08);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  z-index: 200;
}
.lang-selector.open .lang-selector-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-selector-menu .lang-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 8px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: left;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
  width: 100%;
}
.lang-selector-menu .lang-btn:hover {
  background: var(--primary-bg);
  color: var(--primary);
}
.lang-selector-menu .lang-btn.active {
  background: var(--primary);
  color: white;
}
.lang-arrow {
  font-size: 0.7rem;
  transition: transform 0.2s;
}
.lang-selector.open .lang-arrow {
  transform: rotate(180deg);
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  box-shadow: 0 4px 16px rgba(13,115,119,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(13,115,119,0.4);
}
.btn-large{padding:16px 36px;font-size:1.05rem}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* ===== Hero ===== */
.hero {
  padding: 160px 28px 100px;
  background: linear-gradient(170deg, #eaf7f7 0%, #ffffff 50%, #f0faf9 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(13,115,119,0.07) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(16,185,129,0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.hero-logo {
  margin-bottom: 32px;
}
.hero-title-img {
  height: 100px;
  width: auto;
  display: inline-block;
}
.hero-title {
  font-size: 2.8rem;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.35;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.8;
  text-wrap: pretty;
  line-break: strict;
  word-break: normal;
}
.hero-features-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}
.badge {
  background: white;
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(13,115,119,0.08);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.badge-icon {
  font-size: 1.1rem;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Sections Common ===== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.section-title {
  font-size: 2.2rem;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  text-wrap: pretty;
  line-break: strict;
  word-break: normal;
}

/* ===== Quick Access Section ===== */
.quick-access {
  padding: 100px 0;
  background: white;
}
.qa-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.qa-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(13,115,119,0.05);
}
.qa-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  background: white;
}
.qa-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary-bg), #d5eeee);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}
.qa-card h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--text);
}
.qa-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 100px 0;
  background: var(--bg);
  position: relative;
}
.steps-container {
  display: flex;
  gap: 32px;
  align-items: stretch;
}
.step-card {
  flex: 1;
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease;
}
.step-card:hover { transform: translateY(-4px) }
.step-num {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Search Features ===== */
.search-features {
  padding: 100px 0;
  background: white;
}
.sf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.sf-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(13,115,119,0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.sf-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13,115,119,0.12);
}
.sf-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-bg), #d0ecec);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.sf-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--primary-dark);
}
.sf-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ===== Utilities Section ===== */
.utilities {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, #e8f3f3 100%);
}
.util-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.util-card {
  display: flex;
  gap: 20px;
  padding: 28px;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease;
}
.util-card:hover { transform: translateY(-4px) }
.util-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.util-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.util-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ===== Target Audience ===== */
.target-audience {
  padding: 100px 0;
  background: white;
}
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.audience-card {
  background: var(--bg);
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  border: 1px solid transparent;
}
.audience-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13,115,119,0.1);
  background: white;
}
.audience-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.audience-card p {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.6;
}

/* ===== Coming Soon ===== */
.coming-soon {
  padding: 80px 0;
  background: var(--bg);
}
.cs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cs-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  border: 1px solid rgba(13,115,119,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cs-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cs-icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.cs-card h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--primary-dark);
}
.cs-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-title {
  color: white;
  font-size: 2.2rem;
  margin-bottom: 14px;
}
.cta-subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
  margin-bottom: 36px;
  text-wrap: pretty;
  line-break: strict;
  word-break: normal;
}
.cta-section .btn-primary {
  background: white;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.cta-section .btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

/* ===== Footer ===== */
.footer {
  background: var(--bg);
  padding: 48px 0 20px;
  border-top: 1px solid rgba(13,115,119,0.06);
}
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}
.footer-icon{width:32px;height:32px;opacity:0.7}
.footer-title{height:28px;width:auto;opacity:0.7;position:relative;top:3.5px}
.footer-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover{color:var(--primary)}
.footer-links a + a::before {
  content: "·";
  margin-right: 8px;
  color: var(--text-light);
  font-weight: 700;
}
.footer-bottom {
  text-align: center;
  color: var(--text-light);
  font-size: 0.8rem;
  padding-top: 20px;
  border-top: 1px solid rgba(13,115,119,0.06);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.feedback-link {
  color: var(--text-light);
  font-size: 0.75rem;
  text-decoration: none;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}
.feedback-link:hover { opacity: 1; }

/* ===== Also Available (dual-browser hint) ===== */
.also-available {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-light);
  text-align: center;
  letter-spacing: 0.01em;
}
.also-available-link {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px dashed rgba(13,115,119,0.3);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.also-available-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}
.also-available--cta {
  margin-top: 18px;
  color: rgba(255,255,255,0.55);
  font-size: 0.85rem;
}
.also-available-link--cta {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255,255,255,0.35);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.also-available-link--cta:hover {
  color: white;
  border-bottom-color: rgba(255,255,255,0.7);
}

/* ===== Scroll Animations ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .hero-title{font-size:2.3rem}
  .section-title{font-size:1.9rem}
  .qa-grid{grid-template-columns:repeat(2,1fr)}
  .steps-container{flex-direction:column}
  .sf-grid,.util-grid{grid-template-columns:1fr}
  .audience-grid{grid-template-columns:repeat(2,1fr)}
  .cs-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width: 640px) {
  /* --- Container --- */
  .container { padding: 0 16px; }

  /* --- Navbar --- */
  .nav-container {
    padding: 10px 16px;
    gap: 8px;
  }
  .nav-logo { width: 26px; height: 26px; }
  .nav-title { height: 26px; }
  .nav-actions { gap: 6px; }
  .nav-actions > .btn { display: none; }
  .lang-selector-btn {
    padding: 5px 10px;
    font-size: 0.78rem;
  }
  .lang-selector-menu {
    min-width: 120px;
  }

  /* --- Hero --- */
  .hero {
    padding: 110px 16px 56px;
  }
  .hero-logo { margin-bottom: 20px; }
  .hero-title-img { height: 64px; }
  .hero-title {
    font-size: 1.5rem;
    line-height: 1.45;
    margin-bottom: 14px;
    padding: 0 4px;
  }
  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.75;
    margin-bottom: 24px;
    padding: 0 4px;
  }
  .hero-features-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-bottom: 28px;
  }
  .badge {
    justify-content: center;
    padding: 8px 16px;
    font-size: 0.85rem;
  }
  .hero-cta { gap: 10px; }
  .btn-large {
    padding: 14px 24px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
  }

  /* --- Sections Common --- */
  .section-header { margin-bottom: 36px; }
  .section-label {
    font-size: 0.8rem;
    padding: 5px 14px;
    margin-bottom: 12px;
  }
  .section-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
    padding: 0 4px;
  }
  .section-desc {
    font-size: 0.92rem;
    padding: 0 4px;
  }

  /* --- Quick Access --- */
  .quick-access { padding: 56px 0; }
  .qa-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .qa-card {
    padding: 16px;
    text-align: left;
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 2px 14px;
  }
  .qa-icon {
    margin: 0;
    width: 44px;
    height: 44px;
    min-width: 44px;
    font-size: 1.2rem;
    flex-shrink: 0;
    grid-row: 1 / 3;
    align-self: center;
  }
  .qa-card h3 {
    font-size: 0.92rem;
    margin-bottom: 0;
    align-self: end;
  }
  .qa-card p {
    font-size: 0.8rem;
    align-self: start;
  }

  /* --- How It Works --- */
  .how-it-works { padding: 56px 0; }
  .steps-container {
    flex-direction: column;
    gap: 16px;
  }
  .step-card {
    padding: 20px 16px;
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 4px 14px;
  }
  .step-num {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    margin-bottom: 0;
    flex-shrink: 0;
    grid-row: 1 / 3;
    align-self: start;
  }
  .step-card h3 { font-size: 0.95rem; margin-bottom: 0; }
  .step-card p { font-size: 0.85rem; }

  /* --- Search Features --- */
  .search-features { padding: 56px 0; }
  .sf-grid { grid-template-columns: 1fr; gap: 12px; }
  .sf-card {
    padding: 20px 16px;
    gap: 14px;
  }
  .sf-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    border-radius: 12px;
  }
  .sf-card h3 { font-size: 0.95rem; }
  .sf-card p { font-size: 0.85rem; }

  /* --- Utilities --- */
  .utilities { padding: 56px 0; }
  .util-grid { grid-template-columns: 1fr; gap: 12px; }
  .util-card {
    padding: 20px 16px;
    gap: 14px;
  }
  .util-icon {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    border-radius: 12px;
  }
  .util-card h3 { font-size: 0.95rem; }
  .util-card p { font-size: 0.85rem; }

  /* --- Target Audience --- */
  .target-audience { padding: 56px 0; }
  .audience-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .audience-card {
    padding: 18px 16px;
    gap: 12px;
  }
  .audience-icon { font-size: 1.1rem; }
  .audience-card p { font-size: 0.88rem; }

  /* --- Coming Soon --- */
  .coming-soon { padding: 56px 0; }
  .cs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .cs-card {
    padding: 18px 14px;
  }
  .cs-icon { font-size: 1.3rem; margin-bottom: 8px; }
  .cs-card h3 { font-size: 0.85rem; }
  .cs-card p { font-size: 0.75rem; }

  /* --- CTA --- */
  .cta-section { padding: 56px 0; }
  .cta-title {
    font-size: 1.4rem;
    padding: 0 4px;
  }
  .cta-subtitle {
    font-size: 0.95rem;
    margin-bottom: 28px;
  }

  /* --- Footer --- */
  .footer { padding: 32px 0 16px; }
  .footer-content {
    flex-direction: column;
    gap: 12px;
    text-align: center;
    margin-bottom: 20px;
  }
  .footer-bottom {
    font-size: 0.75rem;
    gap: 10px;
  }
}

/* Extra small screens (iPhone SE etc.) */
@media (max-width: 380px) {
  .hero-title { font-size: 1.3rem; }
  .hero-subtitle { font-size: 0.88rem; }
  .section-title { font-size: 1.2rem; }
  .cta-title { font-size: 1.25rem; }
  .nav-title { height: 22px; }
  .nav-logo { width: 22px; height: 22px; }
  .lang-btn { padding: 5px 10px; font-size: 0.72rem; }
  .cs-grid { grid-template-columns: 1fr; }
}