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

    :root {
      --blue-dark: #04302d;
      --blue-mid: #007A75;
      --blue-bright: #0ABAB5;
      --blue-light: #6EE7E1;
      --accent: #0ABAB5;
      --white: #ffffff;
      --gray-light: #E0F7F6;
      --gray-text: #6B6B6B;
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
      color: #2D2D2D;
      overflow-x: hidden;
    }

    /* ===== HEADER ===== */
    header {
      position: fixed;
      top: 0; left: 0; right: 0;
      background: rgba(4, 48, 45, 0.95);
      backdrop-filter: blur(8px);
      padding: 16px 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      z-index: 100;
      box-shadow: 0 2px 20px rgba(0,0,0,0.3);
    }

    .logo {
      display: block;
      width: 150px;
      line-height: 0;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 3px 14px rgba(0,0,0,0.2);
    }

    .logo img {
      display: block;
      width: 100%;
      height: auto;
    }

    nav a {
      color: rgba(255,255,255,0.85);
      text-decoration: none;
      margin-left: 28px;
      font-size: 14px;
      transition: color 0.2s;
    }

    nav a:hover { color: var(--accent); }

    .hero-network {
      position: absolute;
      inset: 0;
      z-index: 0;
      pointer-events: none;
    }

    .hero-logos {
      position: absolute;
      top: 146px;
      right: 32px;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(224, 247, 246, 0.75);
      padding: 10px 16px;
      border-radius: 12px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    }

    .hero-logos img {
      height: 2cm;
      width: 2cm;
      object-fit: contain;
    }

    @media (max-width: 600px) {
      .hero-logos {
        top: 124px;
        right: 12px;
        gap: 10px;
        padding: 6px 10px;
      }
      .hero-logos img { height: 1.4cm; width: 1.4cm; }
    }

    /* ===== HERO ===== */
    .hero {
      min-height: 100vh;
      background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-mid) 50%, var(--blue-bright) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 100px 20px 60px;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: -50%; left: -50%;
      width: 200%; height: 200%;
      background: radial-gradient(ellipse at 60% 40%, rgba(10,186,181,0.18) 0%, transparent 60%),
                  radial-gradient(ellipse at 20% 80%, rgba(0,122,117,0.22) 0%, transparent 50%);
      animation: pulse 8s ease-in-out infinite alternate;
    }

    @keyframes pulse {
      from { transform: scale(1) rotate(0deg); }
      to   { transform: scale(1.05) rotate(2deg); }
    }

    .hero-content { position: relative; z-index: 1; max-width: 800px; }

    .hero-badge {
      display: inline-block;
      background: rgba(10,186,181,0.2);
      border: 1px solid var(--accent);
      color: var(--accent);
      padding: 6px 20px;
      border-radius: 20px;
      font-size: 13px;
      letter-spacing: 0.1em;
      margin-bottom: 28px;
      animation: fadeInDown 0.8s ease both;
    }

    .hero h1 {
      font-size: clamp(40px, 7.5vw, 80px);
      color: white;
      font-weight: 900;
      line-height: 1.15;
      letter-spacing: -0.02em;
      margin-bottom: 24px;
      text-shadow: 0 6px 40px rgba(10,186,181,0.35);
      animation: fadeInDown 0.8s ease 0.2s both;
    }

    .hero h1 .highlight {
      background: linear-gradient(90deg, var(--accent), var(--blue-light), var(--accent));
      background-size: 200% auto;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      animation: shimmer 4s linear infinite;
    }

    @keyframes shimmer {
      to { background-position: -200% center; }
    }

    @media (prefers-reduced-motion: reduce) {
      .hero h1 .highlight { animation: none; }
    }

    .hero-sub {
      font-size: clamp(16px, 2vw, 20px);
      color: rgba(255,255,255,0.8);
      line-height: 1.8;
      margin-bottom: 40px;
      animation: fadeInDown 0.8s ease 0.4s both;
    }

    .hero-buttons {
      display: flex;
      gap: 16px;
      justify-content: center;
      flex-wrap: wrap;
      animation: fadeInDown 0.8s ease 0.6s both;
    }

    .btn-primary {
      background: linear-gradient(90deg, var(--accent), var(--blue-bright));
      color: white;
      padding: 16px 40px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(10,186,181,0.4);
      transition: transform 0.2s, box-shadow 0.2s;
      letter-spacing: 0.05em;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 30px rgba(10,186,181,0.5);
    }

    .btn-secondary {
      background: transparent;
      color: white;
      padding: 16px 40px;
      border-radius: 50px;
      font-size: 16px;
      font-weight: bold;
      text-decoration: none;
      border: 2px solid rgba(255,255,255,0.5);
      transition: border-color 0.2s, background 0.2s;
    }

    .btn-secondary:hover {
      border-color: var(--accent);
      background: rgba(10,186,181,0.1);
    }

    /* ===== SECTIONS ===== */
    section { padding: 80px 20px; }

    .section-inner { max-width: 1000px; margin: 0 auto; }

    .section-label {
      font-size: 12px;
      font-weight: bold;
      letter-spacing: 0.2em;
      color: var(--blue-bright);
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 900;
      color: var(--blue-dark);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 16px;
      color: var(--gray-text);
      line-height: 1.9;
      max-width: 680px;
    }

    /* ===== MISSION ===== */
    .mission { background: white; }

    .mission-subtitle {
      font-size: clamp(17px, 2.2vw, 20px);
      font-weight: bold;
      color: var(--blue-bright);
      margin-bottom: 20px;
    }

    /* ===== PROBLEM ===== */
    .problem { background: var(--gray-light); }

    .problem-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
      margin-top: 48px;
    }

    .problem-card {
      background: white;
      border-radius: 16px;
      padding: 28px;
      border-left: 4px solid var(--blue-bright);
      box-shadow: 0 4px 20px rgba(0,122,117,0.08);
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .problem-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 32px rgba(0,122,117,0.15);
    }

    .problem-card .icon { font-size: 28px; margin-bottom: 12px; }

    .problem-card p {
      font-size: 15px;
      color: #444;
      line-height: 1.7;
      font-weight: 500;
    }

    /* ===== SERVICE ===== */
    .service { background: white; }

    .service-terms { margin-top: 40px; }
    .service-terms h3 { color: var(--blue-dark); font-size: 20px; margin-bottom: 16px; }
    .service-terms dl { border-top: 1px solid #d0eeec; }
    .service-terms dl > div { display: grid; grid-template-columns: minmax(140px, 1fr) 3fr; gap: 16px; padding: 18px 0; border-bottom: 1px solid #d0eeec; }
    .service-terms dt { font-weight: bold; color: var(--blue-mid); }
    .service-terms dd { margin: 0; line-height: 1.8; }
    @media (max-width: 600px) {
      .service-terms dl > div { grid-template-columns: 1fr; gap: 6px; }
    }

    .service-cards {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 24px;
      margin-top: 48px;
    }

    .service-card {
      background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
      border-radius: 20px;
      padding: 36px 28px;
      color: white;
      position: relative;
      overflow: hidden;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .service-card::after {
      content: '';
      position: absolute;
      top: -30px; right: -30px;
      width: 100px; height: 100px;
      border-radius: 50%;
      background: rgba(255,255,255,0.05);
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 40px rgba(4,48,45,0.3);
    }

    .service-card .num {
      font-size: 40px;
      font-weight: 900;
      color: rgba(10,186,181,0.3);
      margin-bottom: 8px;
      font-family: 'Arial Black', sans-serif;
    }

    .service-card h3 {
      font-size: 20px;
      margin-bottom: 12px;
      color: var(--accent);
    }

    .service-card p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.85); }

    /* ===== REASON ===== */
    .reason { background: var(--gray-light); }

    .reason-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 48px;
    }

    .reason-item {
      background: white;
      border-radius: 16px;
      padding: 28px;
      display: flex;
      gap: 16px;
      align-items: flex-start;
      box-shadow: 0 2px 16px rgba(0,0,0,0.06);
      transition: transform 0.2s;
    }

    .reason-item:hover { transform: translateY(-3px); }

    .reason-icon {
      width: 48px; height: 48px;
      background: linear-gradient(135deg, var(--blue-bright), var(--accent));
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }

    .reason-item h3 { font-size: 16px; font-weight: bold; color: var(--blue-dark); margin-bottom: 6px; }
    .reason-item p { font-size: 14px; color: var(--gray-text); line-height: 1.7; }

    /* ===== PROFILE ===== */
    .profile { background: white; }

    .profile-inner {
      display: flex;
      gap: 60px;
      align-items: center;
      flex-wrap: wrap;
    }

    .profile-photo {
      width: 200px; height: 200px;
      border-radius: 50%;
      overflow: hidden;
      flex-shrink: 0;
      box-shadow: 0 8px 32px rgba(10,186,181,0.3);
    }

    .profile-photo img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center top;
    }

    .profile-text { flex: 1; min-width: 260px; }

    .profile-text .name {
      font-size: 28px;
      font-weight: 900;
      color: var(--blue-dark);
      margin-bottom: 4px;
    }

    .profile-text .role {
      font-size: 14px;
      color: var(--blue-bright);
      font-weight: bold;
      letter-spacing: 0.05em;
      margin-bottom: 20px;
    }

    .profile-text p {
      font-size: 15px;
      color: var(--gray-text);
      line-height: 1.9;
    }

    .profile-social { margin-top: 24px; }
    .profile-social h3 { font-size: 16px; color: var(--blue-dark); margin-bottom: 12px; }
    .profile-social-links { display: flex; flex-wrap: wrap; gap: 12px; }
    .profile-social-links a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 22px;
      border: 1px solid var(--blue-mid);
      border-radius: 24px;
      color: var(--blue-mid);
      font-size: 14px;
      font-weight: bold;
      text-decoration: none;
    }
    .profile-social-links a:hover { background: var(--gray-light); }
    .profile-social-links a:focus-visible { outline: 3px solid var(--blue-mid); outline-offset: 4px; }
    @media (max-width: 600px) {
      .profile-social-links { justify-content: center; }
    }

    /* ===== CONTACT ===== */
    .contact {
      background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid));
      text-align: center;
      color: white;
    }

    .contact .section-title { color: white; }

    .contact-sub {
      color: rgba(255,255,255,0.8);
      font-size: 16px;
      margin-bottom: 48px;
      line-height: 1.8;
    }

    .contact-cards {
      display: flex;
      gap: 24px;
      justify-content: center;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .contact-card {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 16px;
      padding: 28px 40px;
      transition: background 0.2s;
    }

    .contact-card:hover { background: rgba(255,255,255,0.15); }

    .contact-card .c-icon { font-size: 28px; margin-bottom: 8px; }
    .contact-card .c-label { font-size: 12px; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 6px; }
    .contact-card .c-value { font-size: 18px; font-weight: bold; }

    .contact-note {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      margin-bottom: 40px;
    }

    .btn-contact {
      display: inline-block;
      background: linear-gradient(90deg, var(--accent), var(--blue-bright));
      color: white;
      padding: 18px 56px;
      border-radius: 50px;
      font-size: 18px;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 6px 24px rgba(10,186,181,0.4);
      transition: transform 0.2s, box-shadow 0.2s;
      letter-spacing: 0.05em;
    }

    .btn-contact:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 36px rgba(10,186,181,0.5);
    }

    /* ===== FOOTER ===== */
    footer {
      background: #021a18;
      color: rgba(255,255,255,0.4);
      text-align: center;
      padding: 24px;
      font-size: 13px;
    }

    /* ===== MODAL ===== */
    .modal-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(4,48,45,0.65);
      backdrop-filter: blur(4px);
      z-index: 200;
      align-items: center;
      justify-content: center;
      padding: 24px;
    }

    .modal-overlay.open {
      display: flex;
    }

    .modal {
      background: #fff;
      border-radius: 20px;
      max-width: 700px;
      width: 100%;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 24px 64px rgba(0,0,0,0.35);
      animation: modalIn 0.25s ease both;
    }

    @keyframes modalIn {
      from { opacity: 0; transform: translateY(20px) scale(0.97); }
      to   { opacity: 1; transform: translateY(0) scale(1); }
    }

    .modal-head {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 28px 32px 20px;
      border-bottom: 1px solid #d0eeec;
      position: sticky;
      top: 0;
      background: #fff;
      border-radius: 20px 20px 0 0;
    }

    .modal-num {
      font-size: 38px;
      font-weight: 900;
      color: rgba(10,186,181,0.2);
      font-family: 'Arial Black', sans-serif;
      line-height: 1;
      flex-shrink: 0;
    }

    .modal-title { font-size: 20px; font-weight: bold; color: var(--accent); margin-bottom: 3px; }
    .modal-lead  { font-size: 13px; color: var(--gray-text); }

    .modal-close {
      margin-left: auto;
      background: none;
      border: none;
      font-size: 22px;
      cursor: pointer;
      color: var(--gray-text);
      line-height: 1;
      padding: 4px 8px;
      border-radius: 8px;
      transition: background 0.15s;
    }
    .modal-close:hover { background: var(--gray-light); }

    .modal-body {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
    }

    @media (max-width: 560px) {
      .modal-body { grid-template-columns: 1fr; }
      .modal-section + .modal-section { border-left: none; border-top: 1px solid #d0eeec; }
    }

    .modal-section { padding: 24px 28px 28px; }
    .modal-section + .modal-section { border-left: 1px solid #d0eeec; }

    .modal-section-label {
      font-size: 10px;
      font-weight: bold;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--blue-mid);
      margin-bottom: 14px;
    }

    .modal-tags { display: flex; flex-direction: column; gap: 8px; }

    .modal-tag {
      background: var(--gray-light);
      color: var(--blue-mid);
      font-size: 13px;
      font-weight: 500;
      padding: 7px 14px;
      border-radius: 8px;
      line-height: 1.5;
    }

    .modal-list { display: flex; flex-direction: column; gap: 10px; }

    .modal-list-item {
      display: flex;
      gap: 10px;
      font-size: 14px;
      color: #444;
      line-height: 1.65;
    }

    .modal-list-item::before {
      content: '';
      display: block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
      margin-top: 8px;
    }

    .modal-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 13px;
    }

    .modal-table th {
      font-size: 10px;
      font-weight: bold;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--gray-text);
      padding: 0 8px 8px 0;
      text-align: left;
      border-bottom: 1px solid #d0eeec;
    }

    .modal-table td {
      padding: 9px 8px 9px 0;
      border-bottom: 1px solid #d0eeec;
      color: #444;
      vertical-align: top;
      line-height: 1.5;
    }

    .modal-table tr:last-child td { border-bottom: none; }

    .modal-badge {
      display: inline-block;
      background: var(--gray-light);
      color: var(--blue-mid);
      font-size: 11px;
      font-weight: bold;
      padding: 2px 8px;
      border-radius: 4px;
      white-space: nowrap;
    }

    .service-card { cursor: pointer; }

    /* ===== ANIMATIONS ===== */
    @keyframes fadeInDown {
      from { opacity: 0; transform: translateY(-20px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 600px) {
      header { padding: 14px 20px; }
      .logo { width: 120px; }
      nav { display: none; }
      .profile-inner { flex-direction: column; text-align: center; }
    }
  
/* Classes replacing the original HTML style attributes. */
html body .profile-top-spacing.profile-top-spacing { margin-top: 48px; }
html body .contact-label-color.contact-label-color { color: var(--accent); }
html body .contact-mail-card.contact-mail-card { text-decoration: none; cursor: pointer; }
html body .contact-email-color.contact-email-color { color: white; }
html body .contact-note-spacing.contact-note-spacing { margin-bottom: 40px; }
html body .footer-links-spacing.footer-links-spacing { margin-bottom: 12px; }
html body .footer-link-color.footer-link-color { color: #6EE7E1; }