:root {
    --teal: #2BBFB3;
    --teal-deep: #1A9F94;
    --teal-light: #A8E6E2;
    --teal-pale: #E8F8F7;
    --navy: #2B5EA7;
    --navy-dark: #1A3D73;
    --navy-deeper: #0F2952;
    --dark: #2D2D2D;
    --mid: #666;
    --light-bg: #F5FAFA;
    --warm: #FFF8E8;
    --accent-yellow: #F0C000;
    --accent-red: #E04040;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  br.sp-br { display: none; }
  .pc-only { display: inline; }
  .sp-only { display: none; }

  body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--dark);
    background: #fff;
    overflow-x: hidden;
    line-height: 1.7;
    font-weight: 400;
  }

  a { text-decoration: none; color: inherit; }
  ul { list-style: none; }
  img { max-width: 100%; display: block; }

  /* ===== Decorative concentric circles (proposal motif) ===== */
  .circle-deco {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
  }

  /* ===== NAVIGATION ===== */
  nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 5%; height: 70px;
    background: linear-gradient(135deg, var(--navy-deeper) 0%, var(--navy-dark) 100%);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: box-shadow 0.3s;
  }
  nav.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.35); }

  .nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.4rem; font-weight: 900;
    color: var(--navy-dark);
  }
  .nav-logo .logo-mark {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--teal), var(--navy));
    border-radius: 50%;
    position: relative;
  }
  .nav-logo .logo-mark::before {
    content: '';
    position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 12px; height: 12px;
    background: white;
    border-radius: 50%;
  }
  .nav-logo .accent { color: var(--teal); }
  .nav-logo-img {
    height: 44px;
    width: auto;
    display: block;
    object-fit: contain;
  }

  .nav-links { display: flex; gap: 32px; align-items: center; }
  .nav-links a {
    font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85);
    transition: color 0.2s;
  }
  .nav-links a:hover { color: var(--teal-light); }

  .nav-cta {
    background: var(--teal) !important;
    color: white !important;
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    transition: all 0.25s;
  }
  .nav-cta:hover {
    background: var(--navy) !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(43,94,167,0.3);
  }

  .menu-toggle {
    display: none;
    background: none; border: none;
    font-size: 1.5rem; color: white; cursor: pointer;
  }

  /* ===== HERO ===== */
  .hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 40px;
    padding: 110px 5% 70px;
    background:
      radial-gradient(ellipse 80% 60% at 100% 0%, rgba(43,191,179,0.12), transparent 70%),
      radial-gradient(ellipse 60% 80% at 0% 100%, rgba(43,94,167,0.08), transparent 70%),
      linear-gradient(135deg, #f0fafb 0%, #eef4fc 50%, #f5fafa 100%);
    position: relative;
    overflow: hidden;
  }

  /* Concentric circles - proposal motif (top right) */
  .hero-deco {
    position: absolute;
    top: -50px; right: 30px;
    width: 280px; height: 280px;
    pointer-events: none;
    opacity: 0.6;
  }
  .hero-deco svg { width: 100%; height: 100%; }

  /* Bottom-left arc decoration */
  .hero-arc {
    position: absolute;
    bottom: -40px; left: -60px;
    width: 280px; height: 280px;
    pointer-events: none;
    opacity: 0.5;
  }

  .hero-left { position: relative; z-index: 2; animation: fadeInUp 0.9s ease both; }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: white;
    border: 1px solid var(--teal-light);
    color: var(--teal-deep);
    font-size: 0.78rem; font-weight: 700;
    padding: 8px 18px; border-radius: 50px;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(43,191,179,0.12);
  }
  .hero-badge .dot {
    width: 8px; height: 8px;
    background: var(--teal);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(43,191,179,0.2);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(43,191,179,0.2); }
    50% { box-shadow: 0 0 0 8px rgba(43,191,179,0.05); }
  }

  .hero-title {
    font-size: clamp(2rem, 4.2vw, 3.2rem);
    font-weight: 900;
    line-height: 1.4;
    color: var(--navy-deeper);
    margin-bottom: 24px;
    letter-spacing: 0.01em;
  }
  .hero-title .accent {
    color: var(--teal);
    position: relative;
    display: inline-block;
  }
  .hero-title .accent::after {
    content: '';
    position: absolute; left: 0; right: 0; bottom: 4px;
    height: 8px;
    background: var(--teal-light);
    opacity: 0.5;
    z-index: -1;
  }

  .hero-vision {
    font-size: 1rem;
    color: var(--mid);
    margin-bottom: 36px;
    line-height: 1.85;
    max-width: 540px;
  }
  .hero-vision strong { color: var(--navy); font-weight: 700; }

  .hero-stats {
    display: flex; gap: 28px; margin-bottom: 36px;
    padding: 18px 24px;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    border: 1px solid rgba(43,191,179,0.15);
    width: fit-content;
  }
  .stat { text-align: center; }
  .stat-num {
    font-size: 1.85rem; font-weight: 900;
    color: var(--teal-deep);
    line-height: 1;
  }
  .stat-num span { font-size: 0.95rem; }
  .stat-label {
    font-size: 0.7rem; color: var(--mid);
    margin-top: 6px; font-weight: 500;
  }
  .stat-divider { width: 1px; background: rgba(43,191,179,0.3); }

  .hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

  .btn-primary {
    background: var(--teal); color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 0.95rem; font-weight: 700;
    transition: all 0.25s;
    box-shadow: 0 8px 24px rgba(43,191,179,0.35);
    display: inline-flex; align-items: center; gap: 8px;
    border: none; cursor: pointer;
    font-family: inherit;
  }
  .btn-primary:hover {
    background: var(--teal-deep);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(43,191,179,0.45);
  }
  .btn-primary::after {
    content: '→'; transition: transform 0.2s;
  }
  .btn-primary:hover::after { transform: translateX(4px); }

  .btn-secondary {
    background: white; color: var(--navy);
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 0.95rem; font-weight: 600;
    border: 2px solid var(--navy);
    transition: all 0.25s;
    display: inline-block;
  }
  .btn-secondary:hover {
    background: var(--navy); color: white;
    transform: translateY(-2px);
  }

  /* Hero right - お悩みカード */
  .hero-right {
    position: relative; z-index: 2;
    display: flex; justify-content: center;
    animation: fadeInRight 0.9s 0.2s ease both;
  }

  .hero-card {
    background: white;
    border-radius: 24px;
    padding: 44px 40px 38px;
    box-shadow: 0 24px 60px rgba(43,94,167,0.15);
    max-width: 600px;
    width: 100%;
    position: relative;
    border: 1px solid rgba(43,191,179,0.1);
  }
  .hero-card::before {
    content: '';
    position: absolute; top: -8px; left: 24px; right: 24px;
    height: 8px;
    background: linear-gradient(90deg, var(--teal), var(--navy));
    border-radius: 8px 8px 0 0;
  }

  .hero-card-header {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--teal-pale);
  }
  .hero-card-img {
    width: 108px; height: 108px;
    flex-shrink: 0;
    background: var(--teal-pale);
    border-radius: 12px;
    overflow: hidden;
  }
  .hero-card-img img {
    width: 100%; height: 100%; object-fit: cover;
    object-position: center 25%;
  }
  .hero-card-title h3 {
    font-size: 1.3rem; font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 4px;
  }
  .hero-card-title p {
    font-size: 0.85rem; color: var(--mid);
  }

  .concern-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .concern-list li {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: 0.92rem; line-height: 1.5;
    color: var(--dark);
    padding: 13px 15px;
    background: var(--light-bg);
    border-radius: 8px;
    transition: all 0.2s;
  }
  .concern-list li:hover {
    background: var(--teal-pale);
  }
  .concern-list li::before {
    content: '✓';
    background: var(--teal);
    color: white;
    width: 18px; height: 18px; min-width: 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-weight: 900;
    margin-top: 1px;
  }

  .hero-card-footer {
    margin-top: 20px; padding-top: 16px;
    border-top: 1px solid var(--teal-pale);
    text-align: center;
  }
  .hero-card-footer h3 {
    font-size: 1.3rem; font-weight: 900;
    color: var(--teal-deep);
    line-height: 1.5;
    letter-spacing: 0.02em;
  }

  /* ===== SECTION BASE ===== */
  section { padding: 90px 5%; position: relative; }
  .container { max-width: 1280px; margin: 0 auto; position: relative; }

  .section-label {
    font-size: 0.72rem; font-weight: 900;
    letter-spacing: 0.18em;
    color: var(--teal);
    margin-bottom: 12px;
    display: block;
  }

  .section-title {
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 900;
    color: var(--navy-deeper);
    margin-bottom: 18px;
    line-height: 1.45;
  }
  .section-title .accent { color: var(--teal); }

  .section-sub {
    font-size: 0.98rem; color: var(--mid);
    line-height: 1.85; max-width: 700px;
  }

  .section-header { margin-bottom: 56px; }

  /* Section corner decoration - proposal concentric circles */
  .corner-deco {
    position: absolute;
    width: 90px; height: 90px;
    pointer-events: none;
    opacity: 0.7;
  }
  .corner-deco-tl { top: 30px; left: 5%; }

  /* ===== ABOUT WHAT ===== */
  .about-what {
    background: linear-gradient(135deg, var(--navy-deeper), var(--navy-dark) 60%, #1F4F9A);
    color: white;
    overflow: hidden;
  }
  .about-what::before {
    content: '';
    position: absolute; top: -100px; right: -100px;
    width: 500px; height: 500px;
    border-radius: 50%;
    border: 2px solid rgba(43,191,179,0.15);
  }
  .about-what::after {
    content: '';
    position: absolute; top: -50px; right: -50px;
    width: 400px; height: 400px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.06);
  }
  .about-what .section-label { color: var(--teal-light); }
  .about-what .section-title { color: white; }
  .about-what .section-sub { color: rgba(255,255,255,0.75); }

  .about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .about-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 32px 26px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
  }
  .about-card:hover {
    background: rgba(43,191,179,0.1);
    border-color: rgba(43,191,179,0.4);
    transform: translateY(-6px);
  }

  .about-icon-wrap {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--teal), var(--teal-deep));
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 8px 20px rgba(43,191,179,0.3);
  }
  .about-icon-wrap svg {
    width: 28px; height: 28px;
    fill: none; stroke: white;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .about-card h3 {
    font-size: 1.05rem; font-weight: 700;
    color: var(--teal-light);
    margin-bottom: 12px;
  }
  .about-card p {
    font-size: 0.86rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.85;
  }

  /* ===== ADOPTION DATA ===== */
  .adoption { background: var(--light-bg); }
  .adoption-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
  }
  .adoption-left h2 .big-num {
    font-size: clamp(4rem, 8vw, 6.5rem);
    font-weight: 900;
    color: var(--teal);
    line-height: 0.9;
    display: block;
    margin: 12px 0;
  }
  .adoption-left h2 .big-num span {
    font-size: 0.5em;
    color: var(--teal-deep);
  }
  .adoption-source {
    font-size: 0.78rem; color: var(--mid);
    margin-top: 16px;
  }

  .adoption-right {
    background: white;
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 12px 40px rgba(43,94,167,0.08);
  }
  .adoption-right h3 {
    font-size: 0.95rem; font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 22px;
  }
  .bar-chart {
    display: flex; height: 52px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  }
  .bar-segment {
    display: flex; align-items: center; justify-content: center;
    font-size: 0.82rem; font-weight: 700;
    color: white;
    transition: filter 0.2s;
  }
  .bar-segment:hover { filter: brightness(1.1); }
  .bar-1 { width: 27.8%; background: var(--navy-dark); }
  .bar-2 { width: 21.3%; background: var(--teal-deep); }
  .bar-3 { width: 0.9%; background: #999; }
  .bar-4 { width: 49.8%; background: #DDD; color: var(--mid); }
  .bar-5 { width: 0.2%; background: #BBB; }

  .bar-legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 22px;
    font-size: 0.8rem;
  }
  .bar-legend li {
    display: flex; align-items: center; gap: 8px;
    color: var(--dark);
  }
  .bar-legend .dot {
    width: 12px; height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
  }
  .adoption-warning {
    margin-top: 26px;
    padding: 16px 22px;
    background: linear-gradient(135deg, #FFF8E8, #FFEFD0);
    border-left: 4px solid var(--accent-yellow);
    border-radius: 8px;
    font-size: 0.88rem; font-weight: 700;
    color: #7A5700;
    display: flex; align-items: center; gap: 8px;
  }
  .adoption-warning svg {
    width: 20px; height: 20px;
    flex-shrink: 0;
    fill: var(--accent-yellow);
  }

  /* ===== PROBLEMS ===== */
  .problems { background: white; }

  .problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  .problem-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 26px 24px;
    transition: all 0.3s;
    border: 2px solid transparent;
    display: flex; gap: 14px; align-items: flex-start;
  }
  .problem-card:hover {
    border-color: var(--teal);
    transform: translateY(-4px);
    background: white;
    box-shadow: 0 16px 40px rgba(43,94,167,0.1);
  }
  .problem-icon {
    width: 44px; height: 44px;
    background: var(--teal-pale);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .problem-icon svg {
    width: 24px; height: 24px;
    fill: none; stroke: var(--teal-deep);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .problem-card h3 {
    font-size: 0.95rem; font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 6px;
    line-height: 1.5;
  }
  .problem-card p {
    font-size: 0.82rem;
    color: var(--mid);
    line-height: 1.7;
  }

  .problems-cta {
    text-align: center;
    margin-top: 48px;
    padding: 32px;
    background: linear-gradient(135deg, var(--teal-pale), #DCEEF8);
    border-radius: 20px;
    border: 2px dashed var(--teal);
  }
  .problems-cta p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: 700;
    color: var(--navy-deeper);
    line-height: 1.6;
  }
  .problems-cta p .highlight {
    color: var(--teal-deep);
    background: #FFF8D0;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 1.05em;
  }

  /* ===== HOW IT WORKS - サービスの全体像 ===== */
  .how-it-works { background: var(--light-bg); }

  .service-diagram {
    margin-top: 48px;
    background: white;
    border-radius: 24px;
    padding: 36px 40px;
    box-shadow: 0 12px 36px rgba(43,94,167,0.08);
  }

  .service-img-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
  }
  .service-img {
    display: block;
    width: 100%;
    min-width: 640px;
    height: auto;
    border-radius: 12px;
  }

  .service-scroll-hint {
    display: none;
    text-align: center;
    font-size: 0.75rem;
    color: var(--mid);
    margin-top: 8px;
  }

  .service-points {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
    margin-top: 28px;
    padding: 0;
    list-style: none;
    border-top: 1px solid rgba(43,191,179,0.15);
    padding-top: 24px;
  }
  .service-points li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--dark);
    font-weight: 500;
  }
  .service-points li::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px; height: 20px;
    background: var(--teal);
    color: white;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 900;
    flex-shrink: 0;
  }

  /* ===== VALUE - 4つの価値 ===== */
  .value-section { background: white; }

  .value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .value-card {
    border-radius: 20px;
    padding: 30px 28px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    display: flex; gap: 22px;
    align-items: flex-start;
  }
  .value-card:nth-child(1) { background: linear-gradient(135deg, #E8F8F7, #D0F0EE); }
  .value-card:nth-child(2) { background: linear-gradient(135deg, #EEF3FC, #DCE7F8); }
  .value-card:nth-child(3) { background: linear-gradient(135deg, #DCE7F8, #EEF3FC); }
  .value-card:nth-child(4) { background: linear-gradient(135deg, #D0F0EE, #E8F8F7); }
  .value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(43,94,167,0.12);
  }

  .value-icon-circle {
    width: 90px; height: 90px;
    border-radius: 50%;
    background: var(--teal);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(43,191,179,0.3);
    position: relative;
  }
  .value-icon-circle svg {
    width: 48px; height: 48px;
    fill: none; stroke: white;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .value-icon-circle::after {
    content: attr(data-num);
    position: absolute;
    top: -4px; right: -4px;
    background: white;
    color: var(--teal-deep);
    width: 28px; height: 28px;
    border-radius: 50%;
    font-size: 0.78rem; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  }

  .value-content { flex: 1; }
  .value-card h3 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--navy-deeper);
    margin-bottom: 14px;
    line-height: 1.4;
  }
  .value-list li {
    font-size: 0.85rem; color: var(--dark);
    line-height: 1.6;
    padding: 5px 0;
    display: flex;
    gap: 1px;
  }
  .value-list li::before {
    content: '・';
    color: var(--teal-deep);
    font-weight: 900;
    flex-shrink: 0;
  }

  /* ===== VOICES ===== */
  .voices { background: var(--light-bg); }

  .voices-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .voice-card {
    background: white;
    border-radius: 18px;
    padding: 28px 28px 28px 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border-left: 4px solid var(--teal);
    transition: all 0.3s;
    display: flex; gap: 20px;
    align-items: flex-start;
  }
  .voice-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(43,191,179,0.18);
  }

  .voice-avatar {
    width: 96px; height: 96px;
    flex-shrink: 0;
  }
  .voice-avatar img {
    width: 100%; height: 100%;
    object-fit: contain;
  }

  .voice-body { flex: 1; min-width: 0; }
  .voice-meta {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--teal-pale);
  }
  .voice-meta strong {
    display: block;
    font-size: 0.95rem;
    color: var(--navy-dark);
    font-weight: 700;
    margin-bottom: 2px;
  }
  .voice-meta span {
    font-size: 0.78rem;
    color: var(--mid);
  }
  .voice-text {
    font-size: 0.88rem;
    color: var(--dark);
    line-height: 1.85;
  }
  .voice-text strong {
    color: var(--teal-deep);
    background: var(--teal-pale);
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 700;
  }

  /* ドットインジケーター（モバイルのみ表示） */
  .voices-dots {
    display: none;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
  }
  .voice-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--teal-light);
    border: none; padding: 0; cursor: pointer;
    transition: background 0.2s, transform 0.2s;
  }
  .voice-dot.active {
    background: var(--teal);
    transform: scale(1.4);
  }

  /* ===== STEPS ===== */
  .steps-section { background: white; }

  .steps-flow {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
    position: relative;
  }

  .step-item {
    background: var(--light-bg);
    border-radius: 18px;
    padding: 28px 24px;
    text-align: center;
    position: relative;
    transition: all 0.3s;
  }
  .step-item:hover {
    background: white;
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(43,191,179,0.18);
  }

  .step-item:not(:last-child)::after {
    content: '';
    position: absolute; right: -14px; top: 50%;
    transform: translateY(-50%);
    width: 28px; height: 28px;
    background: var(--teal);
    border-radius: 50%;
    z-index: 2;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 16px;
    box-shadow: 0 4px 12px rgba(43,191,179,0.3);
  }

  .step-badge {
    display: inline-block;
    background: var(--teal);
    color: white;
    font-size: 0.75rem; font-weight: 900;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
  }
  .step-illus {
    width: 200px; height: 130px;
    margin: 0 auto 16px;
    display: flex; align-items: center; justify-content: center;
  }
  .step-illus img {
    max-width: 100%; max-height: 100%;
    object-fit: contain;
  }
  .step-item h3 {
    font-size: 1.2rem; font-weight: 900;
    color: var(--navy-deeper);
    margin-bottom: 16px;
  }
  .step-item ul { text-align: left; }
  .step-item ul li {
    font-size: 0.84rem;
    color: var(--mid);
    padding: 5px 0 5px 16px;
    position: relative;
    line-height: 1.7;
  }
  .step-item ul li::before {
    content: '・';
    position: absolute; left: 0;
    color: var(--teal-deep); font-weight: 900;
  }

  /* ===== PRICING ===== */
  .pricing { background: var(--light-bg); }

  .pricing-banner {
    background: linear-gradient(135deg, #FFE8E8, #FFD0D0);
    border: 2px solid var(--accent-red);
    border-radius: 14px;
    padding: 16px 28px;
    margin-bottom: 36px;
    text-align: center;
    font-size: 1.05rem; font-weight: 900;
    color: #B02020;
    box-shadow: 0 8px 24px rgba(224,64,64,0.15);
    display: flex; align-items: center; justify-content: center; gap: 8px;
  }
  .pricing-banner svg {
    width: 22px; height: 22px;
    fill: var(--accent-red);
  }

  .pricing-tabs {
    display: flex; justify-content: center;
    gap: 8px; margin-bottom: 32px;
  }
  .tab-btn {
    background: white;
    border: 2px solid transparent;
    color: var(--mid);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.88rem; font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
  }
  .tab-btn.active {
    background: var(--navy);
    color: white;
    border-color: var(--navy);
  }
  .tab-btn:not(.active):hover {
    border-color: var(--teal);
    color: var(--teal-deep);
  }

  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 36px;
  }

  .price-card {
    border-radius: 20px;
    padding: 32px 26px;
    border: 2px solid transparent;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
  }
  .price-card.light { background: white; border-color: var(--teal-light); }
  .price-card.standard {
    background: linear-gradient(135deg, var(--teal), var(--teal-deep));
    color: white;
    transform: scale(1.04);
    box-shadow: 0 20px 56px rgba(43,191,179,0.4);
  }
  .price-card.premium {
    background: linear-gradient(135deg, var(--navy), var(--navy-deeper));
    color: white;
  }
  .price-card:hover { transform: translateY(-6px); }
  .price-card.standard:hover { transform: scale(1.04) translateY(-6px); }

  .price-badge {
    position: absolute; top: 16px; right: -36px;
    background: var(--accent-yellow);
    color: #5A4000;
    font-size: 0.7rem; font-weight: 900;
    padding: 4px 40px;
    transform: rotate(45deg);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  }

  .price-tier {
    font-size: 0.74rem; font-weight: 900;
    letter-spacing: 0.18em;
    margin-bottom: 8px;
    opacity: 0.85;
  }
  .price-name {
    font-size: 1.25rem; font-weight: 700;
    margin-bottom: 16px;
  }

  .price-main { margin-bottom: 22px; }
  .price-original {
    font-size: 0.82rem;
    text-decoration: line-through;
    opacity: 0.5;
    margin-bottom: 4px;
  }
  .price-amount {
    font-size: 2.2rem; font-weight: 900;
    line-height: 1;
    color: var(--navy-deeper);
  }
  .price-card.standard .price-amount,
  .price-card.premium .price-amount { color: white; }
  .price-amount .currency {
    font-size: 1rem; font-weight: 700;
    margin-right: 2px;
  }
  .price-unit {
    font-size: 0.82rem; font-weight: 500;
    color: var(--mid);
    margin-left: 4px;
  }
  .price-card.standard .price-unit,
  .price-card.premium .price-unit { color: rgba(255,255,255,0.85); }

  .price-savings {
    display: inline-block;
    margin-top: 8px;
    background: rgba(240,192,0,0.2);
    color: #7A5700;
    font-size: 0.78rem; font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
  }
  .price-card.standard .price-savings,
  .price-card.premium .price-savings {
    background: rgba(255,255,255,0.2);
    color: white;
  }

  .price-divider {
    height: 1px; margin: 20px 0;
    background: rgba(0,0,0,0.08);
  }
  .price-card.standard .price-divider,
  .price-card.premium .price-divider {
    background: rgba(255,255,255,0.2);
  }

  .price-features li {
    font-size: 0.84rem;
    display: flex; gap: 10px;
    align-items: flex-start;
    color: var(--dark);
    line-height: 1.5;
    padding: 7px 0;
  }
  .price-card.standard .price-features li,
  .price-card.premium .price-features li {
    color: rgba(255,255,255,0.95);
  }
  .price-features li::before {
    content: '✓';
    flex-shrink: 0;
    width: 18px; height: 18px; min-width: 18px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.65rem; font-weight: 900;
    background: var(--teal-light);
    color: var(--teal-deep);
    margin-top: 2px;
  }
  .price-card.standard .price-features li::before {
    background: rgba(255,255,255,0.25);
    color: white;
  }
  .price-card.premium .price-features li::before {
    background: rgba(43,191,179,0.35);
    color: var(--teal-light);
  }

  .price-cta {
    display: block;
    text-align: center;
    margin-top: 22px;
    padding: 13px;
    border-radius: 50px;
    font-size: 0.9rem; font-weight: 700;
    transition: all 0.2s;
  }
  .price-card.light .price-cta { background: var(--teal); color: white; }
  .price-card.light .price-cta:hover { background: var(--teal-deep); }
  .price-card.standard .price-cta { background: white; color: var(--teal-deep); }
  .price-card.standard .price-cta:hover { background: var(--warm); }
  .price-card.premium .price-cta { background: var(--accent-yellow); color: #5A4000; }
  .price-card.premium .price-cta:hover { background: #FFD040; }

  .pricing-note-text {
    text-align: center;
    font-size: 0.78rem;
    color: var(--mid);
    line-height: 1.7;
    margin-bottom: 36px;
  }

  .pricing-options {
    background: white;
    border-radius: 20px;
    padding: 32px;
  }
  .pricing-options h3 {
    font-size: 1.2rem; font-weight: 900;
    color: var(--navy-deeper);
    margin-bottom: 18px;
    display: flex; align-items: center; gap: 8px;
  }
  .pricing-options h3 svg {
    width: 22px; height: 22px;
    fill: var(--teal-deep);
  }
  .option-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .option-item {
    background: var(--light-bg);
    padding: 18px;
    border-radius: 12px;
    display: flex; justify-content: space-between; align-items: center;
    gap: 12px;
    transition: transform 0.2s;
  }
  .option-item:hover { transform: translateX(4px); background: var(--teal-pale); }
  .option-item h4 {
    font-size: 0.9rem; font-weight: 700;
    color: var(--navy-dark);
    margin-bottom: 4px;
  }
  .option-item p {
    font-size: 0.76rem;
    color: var(--mid);
    line-height: 1.5;
  }
  .option-price {
    font-weight: 900;
    color: var(--teal-deep);
    font-size: 0.9rem;
    text-align: right;
    flex-shrink: 0;
    line-height: 1.3;
  }
  .pricing-options-note {
    margin-top: 18px;
    font-size: 0.76rem;
    color: var(--mid);
    line-height: 1.7;
  }

  /* ===== FAQ ===== */
  .faq { background: white; }

  .faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }

  .faq-item {
    background: var(--light-bg);
    border-radius: 14px;
    padding: 26px;
    border-left: 4px solid var(--teal);
    transition: all 0.25s;
  }
  .faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(43,191,179,0.12);
    background: white;
  }

  .faq-q {
    font-size: 0.94rem; font-weight: 700;
    color: var(--navy-deeper);
    margin-bottom: 14px;
    display: flex; gap: 12px;
    line-height: 1.5;
  }
  .faq-q::before {
    content: 'Q';
    background: var(--navy);
    color: white;
    width: 28px; height: 28px; min-width: 28px;
    border-radius: 8px;
    font-size: 0.85rem; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    margin-top: 1px;
  }

  .faq-a {
    font-size: 0.86rem;
    color: var(--mid);
    line-height: 1.85;
    padding-left: 40px;
    position: relative;
  }
  .faq-a::before {
    content: 'A';
    position: absolute; left: 0; top: 0;
    background: var(--teal);
    color: white;
    width: 28px; height: 28px;
    border-radius: 8px;
    font-size: 0.85rem; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
  }
  .faq-a strong { color: var(--teal-deep); font-weight: 700; }

  /* ===== CTA ===== */
  .cta-section {
    background:
      radial-gradient(ellipse at top right, rgba(43,191,179,0.2), transparent 60%),
      radial-gradient(ellipse at bottom left, rgba(43,94,167,0.3), transparent 60%),
      linear-gradient(135deg, var(--navy-deeper), var(--navy-dark));
    color: white;
    text-align: center;
    padding: 110px 5%;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: '';
    position: absolute; top: -60px; left: 50%;
    transform: translateX(-50%);
    width: 500px; height: 500px;
    border-radius: 50%;
    border: 2px solid rgba(43,191,179,0.15);
    animation: slowspin 40s linear infinite;
  }
  @keyframes slowspin { to { transform: translateX(-50%) rotate(360deg); } }

  .cta-section .container { position: relative; z-index: 2; }
  .cta-section .section-label { color: var(--teal-light); }
  .cta-section .section-title {
    color: white;
    max-width: 800px;
    margin: 0 auto 22px;
  }
  .cta-section .section-sub {
    color: rgba(255,255,255,0.8);
    margin: 0 auto 40px;
    text-align: center;
  }

  .cta-btns {
    display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
  }
  .cta-btns .btn-primary {
    background: var(--teal);
    box-shadow: 0 8px 28px rgba(43,191,179,0.5);
  }
  .cta-btns .btn-secondary {
    background: transparent;
    border-color: rgba(255,255,255,0.5);
    color: white;
  }
  .cta-btns .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
  }
  .cta-contact {
    margin-top: 28px;
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
  }
  .cta-contact a {
    color: var(--teal-light);
    font-weight: 700;
    border-bottom: 1px solid var(--teal-light);
    transition: color 0.2s;
  }
  .cta-contact a:hover { color: white; border-color: white; }

  /* ===== FOOTER ===== */
  footer {
    background: #1a1a1a;
    color: rgba(255,255,255,0.6);
    padding: 50px 5% 24px;
  }
  .footer-content {
    max-width: 1280px; margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .footer-brand .nav-logo { color: white; margin-bottom: 14px; }
  .footer-logo { margin-bottom: 14px; }
  .footer-logo-img { height: 36px; width: auto; display: block; }
  .footer-brand p {
    font-size: 0.84rem;
    line-height: 1.85;
    max-width: 380px;
  }
  .footer-col h4 {
    color: white;
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 14px;
  }
  .footer-col ul li { margin-bottom: 8px; }
  .footer-col ul li a {
    font-size: 0.84rem;
    transition: color 0.2s;
  }
  .footer-col ul li a:hover { color: var(--teal-light); }
  .footer-bottom {
    text-align: center;
    padding-top: 24px;
    font-size: 0.78rem;
  }

  /* ===== ANIMATIONS ===== */
  @keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
  }

  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal.visible {
    opacity: 1;
    transform: none;
  }

  /* ===== RESPONSIVE ===== */
  @media (max-width: 960px) {
    nav { padding: 0 4%; }
    .nav-links { display: none; }
    .menu-toggle { display: block; }

    .hero {
      grid-template-columns: 1fr;
      padding: 100px 5% 60px;
      gap: 32px;
    }
    .hero-right { order: 1; }
    .hero-card { padding: 32px 28px 28px; max-width: 460px; }
    .hero-card-img { width: 80px; height: 80px; }
    .hero-card-title h3 { font-size: 1.05rem; }
    .hero-card-title p { font-size: 0.78rem; }
    .concern-list li { font-size: 0.8rem; padding: 10px 12px; }
    .hero-card-footer h3 { font-size: 1.1rem; font-weight: 900; }
    .hero-stats { gap: 16px; padding: 14px; }
    .stat-num { font-size: 1.4rem; }
    .stat-label { font-size: 0.65rem; }

    .concern-list { grid-template-columns: 1fr; }

    .about-grid,
    .faq-grid,
    .option-grid,
    .value-grid { grid-template-columns: 1fr; }

    /* ── モバイルカルーセル ── */
    .voices-grid {
      display: flex;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      scroll-behavior: smooth;
      -webkit-overflow-scrolling: touch;
      gap: 16px;
      padding: 8px 5% 20px;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }
    .voices-grid::-webkit-scrollbar { display: none; }
    .voice-card {
      flex-shrink: 0;
      width: 82vw;
      scroll-snap-align: start;
    }
    .voices-dots { display: flex; }

    .adoption-content { grid-template-columns: 1fr; gap: 32px; }
    .problems-grid { grid-template-columns: 1fr; }

    .service-diagram { padding: 24px 16px; }
    .service-img { min-width: unset; }
    .service-points { gap: 10px 16px; justify-content: flex-start; }
    .service-points li { font-size: 0.85rem; }

    .steps-flow { grid-template-columns: 1fr; }
    .step-item:not(:last-child)::after {
      content: '';
      right: 50%; top: auto; bottom: -20px;
      transform: translateX(50%) rotate(90deg);
    }

    .pricing-grid { grid-template-columns: 1fr; }
    .price-card.standard { transform: scale(1); }
    .price-card.standard:hover { transform: translateY(-6px); }

    .footer-content { grid-template-columns: 1fr; gap: 24px; }

    section { padding: 70px 5%; }
    br.sp-br { display: inline; }
    .pc-only { display: none; }
    .sp-only { display: inline; }

    .voice-card { flex-direction: column; align-items: center; text-align: center; }
    .voice-meta { text-align: center; }

    .value-card { flex-direction: column; align-items: center; text-align: center; }

    .hero-card-header { flex-direction: column; align-items: flex-start; }
  }

  @media (max-width: 500px) {
    .hero-title { font-size: 1.75rem; }
    .pricing-tabs { flex-direction: column; }
    .tab-btn { width: 100%; }
    .corner-deco { display: none; }
  }