/* 新しいデザインのCSS */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body { font-family: 'Noto Sans JP', sans-serif; color: #333; line-height: 1.8; background: #fff; overflow-x: hidden; }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; height: auto; display: block; }
    ul { list-style: none; }

    :root {
      --primary: #0d1b2a;
      --primary-light: #1b2d45;
      --accent: #b8963e;
      --accent-light: #d4af5a;
      --bg-light: #f5f3ef;
      --bg-section: #eae7e1;
      --text-dark: #1a1a1a;
      --text-medium: #444;
      --text-light: #777;
      --white: #fff;
      --shadow: 0 4px 30px rgba(0,0,0,0.10);
      --shadow-hover: 0 8px 40px rgba(0,0,0,0.16);
      --radius: 12px;
      --transition: 0.3s ease;
    }

    .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
    .container-wide { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
    .section-label {
      font-family: 'Montserrat', sans-serif; font-size: 0.75rem; font-weight: 600;
      letter-spacing: 3px; text-transform: uppercase; color: #888; margin-bottom: 8px;
    }
    .section-title { font-size: 1.8rem; font-weight: 700; color: var(--primary); margin-bottom: 16px; line-height: 1.4; }
    .text-center { text-align: center; }
    .divider { width: 40px; height: 3px; background: #1a1a1a; margin: 20px auto 32px; border-radius: 2px; }

    .fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .fade-in.visible { opacity: 1; transform: translateY(0); }

    /* ===== HEADER ===== */
    header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(0,0,0,0.05); transition: var(--transition); }
    header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
    .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
    .logo img { height: 44px; width: auto; mix-blend-mode: multiply; }
    .header-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--white); font-size: 0.8rem; font-weight: 600; padding: 10px 24px; border-radius: 50px; transition: var(--transition); letter-spacing: 0.5px; }
    .header-cta:hover { background: var(--accent-light); transform: translateY(-1px); }
    .header-cta svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; }
    .header-right { display: flex; align-items: center; gap: 24px; }
    nav ul { display: flex; gap: 28px; }
    nav a { font-size: 0.8rem; font-weight: 500; color: var(--text-medium); letter-spacing: 0.5px; position: relative; transition: color var(--transition); }
    nav a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: #1a1a1a; transition: width var(--transition); }
    nav a:hover { color: var(--primary); }
    nav a:hover::after { width: 100%; }
    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; z-index: 1100; }
    .hamburger span { width: 24px; height: 2px; background: var(--primary); transition: var(--transition); }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    /* ===== HERO ===== */
    .hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; background: #f5f5f5; padding-top: 72px; }
    .hero-bg { position: absolute; inset: 0; z-index: 0; }
    .hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 85% center; }
    .hero-content { position: relative; z-index: 2; color: var(--text-dark); padding: 0 64px; max-width: 1280px; margin: 0 auto; width: 100%; }
    .hero-title { font-size: 4rem; font-weight: 900; letter-spacing: 3px; line-height: 1.35; margin-bottom: 24px; color: var(--primary); opacity: 0; animation: fadeUp 0.8s ease 0.3s forwards; }
    .hero-title .accent { color: var(--primary); }
    .hero-sub { font-size: 1.05rem; line-height: 2; font-weight: 400; color: var(--text-medium); max-width: 420px; margin-bottom: 40px; opacity: 0; animation: fadeUp 0.8s ease 0.5s forwards; }
    .hero-cta { display: inline-flex; align-items: center; gap: 10px; background: var(--primary); color: var(--white); font-size: 1rem; font-weight: 600; padding: 18px 48px; border-radius: 50px; transition: var(--transition); letter-spacing: 1px; opacity: 0; animation: fadeUp 0.8s ease 0.9s forwards; }
    .hero-cta:hover { background: #1b2d45; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
    .hero-cta svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
    .hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); opacity: 0; animation: fadeUp 0.8s ease 1.1s forwards; z-index: 3; }
    .hero-scroll span { display: block; width: 1px; height: 48px; background: rgba(0,0,0,0.2); margin: 8px auto 0; position: relative; overflow: hidden; }
    .hero-scroll span::after { content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--primary); animation: scrollLine 1.8s ease infinite; }
    .hero-scroll p { font-family: 'Montserrat', sans-serif; font-size: 0.65rem; letter-spacing: 2px; color: rgba(0,0,0,0.35); }
    @keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
    @keyframes scrollLine { 0% { top: -100%; } 50% { top: 100%; } 100% { top: 100%; } }

    /* ===== CONCEPT ===== */
    .concept { padding: 120px 0; background: var(--bg-light); }
    .concept-header { text-align: center; margin-bottom: 64px; }
    .concept-header h2 { font-size: 2rem; font-weight: 700; color: var(--primary); line-height: 1.6; }
    .concept-header h2 em { font-style: normal; color: #1a1a1a; }
    .concept-circles { display: flex; align-items: center; justify-content: center; gap: 40px; margin-bottom: 64px; position: relative; }
    .concept-circle { width: 280px; height: 280px; border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; position: relative; z-index: 1; }
    .concept-circle-left { background: var(--primary); color: var(--white); }
    .concept-circle-right { background: #e8e8e8; color: #1a1a1a; }
    .concept-circle .circle-num { font-family: 'Montserrat', sans-serif; font-size: 3rem; font-weight: 900; line-height: 1; margin-bottom: 8px; opacity: 0.3; }
    .concept-circle .circle-label { font-size: 1rem; font-weight: 700; letter-spacing: 1px; line-height: 1.5; }
    .concept-circle .circle-sub { font-size: 0.75rem; font-weight: 400; opacity: 0.7; margin-top: 4px; }
    .concept-center { position: relative; z-index: 2; width: 80px; height: 80px; border-radius: 50%; flex-shrink: 0; background: var(--white); box-shadow: 0 4px 20px rgba(0,0,0,0.15); display: flex; align-items: center; justify-content: center; margin: 0 -20px; }
    .concept-center span { font-family: 'Montserrat', sans-serif; font-size: 1.5rem; font-weight: 900; color: var(--primary); }
    .concept-bottom { text-align: center; max-width: 700px; margin: 0 auto; }
    .concept-formula { font-family: 'Montserrat', sans-serif; font-size: 1.4rem; font-weight: 700; color: var(--primary); letter-spacing: 4px; margin-bottom: 24px; }
    .concept-formula em { font-style: normal; color: #1a1a1a; }
    .concept-desc { font-size: 1.05rem; color: var(--text-medium); line-height: 2.2; }

    /* ===== SERVICE ===== */
    .service { padding: 100px 0; background: var(--white); }
    .service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .service-card { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition); background: var(--white); }
    .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .service-photo { aspect-ratio: 16/9; overflow: hidden; position: relative; background: #1a1a2a; }
    .service-body { padding: 28px; }
    .service-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 8px; line-height: 1.5; }
    .service-body p { font-size: 0.9rem; color: var(--text-medium); line-height: 1.7; }

    /* ===== MESSAGE ===== */
    .message { padding: 100px 0; background: var(--bg-light); }
    .message-grid { display: grid; grid-template-columns: 280px 1fr; gap: 64px; align-items: start; }
    .message-photo { position: relative; }
    .message-photo-frame { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 1/1; }
    .message-photo-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
    .message-content h3 { font-size: 2rem; font-weight: 900; color: var(--primary); margin-bottom: 32px; line-height: 1.5; }
    .message-content h3 .highlight { background: linear-gradient(transparent 60%, rgba(0,0,0,0.1) 60%); }
    .message-body { font-size: 0.92rem; color: var(--text-medium); line-height: 2.2; }
    .message-body p { margin-bottom: 16px; }
    .message-body .quote { font-weight: 600; color: var(--primary); }
    .message-sign { margin-top: 32px; text-align: right; }
    .message-sign .sign-role { font-size: 0.8rem; color: var(--text-light); margin-bottom: 4px; }
    .message-sign .sign-name { font-size: 1.4rem; font-weight: 700; color: var(--primary); letter-spacing: 3px; }

    /* ===== COMPANY ===== */
    .company { padding: 100px 0; background: var(--white); }
    .company-table { max-width: 800px; margin: 0 auto; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
    .company-row { display: flex; border-bottom: 1px solid #f0f0f0; }
    .company-row:last-child { border-bottom: none; }
    .company-row dt { width: 180px; flex-shrink: 0; padding: 20px 24px; font-size: 0.85rem; font-weight: 600; color: var(--primary); background: rgba(13,27,42,0.03); }
    .company-row dd { flex: 1; padding: 20px 24px; font-size: 0.9rem; color: var(--text-medium); }
    .company-row dd a { color: var(--primary-light); text-decoration: underline; }
    .business-list { display: flex; flex-direction: column; gap: 4px; }
    .business-list li { display: flex; align-items: center; gap: 8px; }
    .business-list li::before { content: ''; width: 6px; height: 6px; background: #1a1a1a; border-radius: 50%; flex-shrink: 0; }

    /* ===== ACCESS ===== */
    .access { padding: 100px 0; background: var(--bg-light); }
    .access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
    .access-map { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/3; }
    .access-map iframe { width: 100%; height: 100%; border: 0; }
    .access-info { padding: 20px 0; }
    .access-info h3 { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 24px; }
    .access-detail { display: flex; flex-direction: column; gap: 24px; }
    .access-detail-item { display: flex; align-items: flex-start; gap: 12px; }
    .access-detail-icon { width: 40px; height: 40px; background: var(--bg-light); border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
    .access-detail-icon svg { width: 18px; height: 18px; stroke: var(--primary); fill: none; stroke-width: 1.5; }
    .access-detail-text .label { font-size: 0.85rem; color: var(--text-light); font-weight: 600; letter-spacing: 0.5px; }
    .access-detail-text .value { font-size: 1.05rem; color: var(--text-dark); margin-top: 4px; line-height: 1.8; }
    .access-detail-text .value a { color: var(--primary); font-weight: 600; font-size: 1.1rem; }

    /* ===== CONTACT ===== */
    .contact { padding: 100px 0; background: var(--primary); color: var(--white); position: relative; overflow: hidden; }
    .contact::before { content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px; border: 1px solid rgba(184,150,62,0.1); border-radius: 50%; }
    .contact .section-label { color: var(--accent-light); }
    .contact .section-title { color: var(--white); }
    .contact .divider { background: var(--accent); }
    .contact-intro { font-size: 0.95rem; color: rgba(255,255,255,0.8); text-align: center; margin-bottom: 48px; }
    .contact-phone { text-align: center; margin-bottom: 48px; }
    .contact-phone a { font-family: 'Montserrat', sans-serif; font-size: 2rem; font-weight: 600; color: var(--white); letter-spacing: 2px; }
    .contact-phone .phone-note { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 4px; }
    .contact-form { max-width: 640px; margin: 0 auto; position: relative; }
    .form-group { margin-bottom: 24px; }
    .form-group label { display: block; font-size: 0.82rem; font-weight: 500; margin-bottom: 8px; color: rgba(255,255,255,0.9); }
    .form-group label .required { font-size: 0.7rem; background: var(--accent); color: var(--white); padding: 2px 8px; border-radius: 3px; margin-left: 8px; }
    .form-group input, .form-group select, .form-group textarea { width: 100%; padding: 14px 16px; font-size: 0.9rem; font-family: 'Noto Sans JP', sans-serif; border: 1px solid rgba(255,255,255,0.2); border-radius: 8px; background: rgba(255,255,255,0.1); color: var(--white); transition: border-color var(--transition), background var(--transition); }
    .form-group input::placeholder, .form-group textarea::placeholder { color: rgba(255,255,255,0.4); }
    .form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.15); }
    .form-group select { -webkit-appearance: none; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23fff' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; cursor: pointer; }
    .form-group select option { color: #333; background: #fff; }
    .form-group textarea { min-height: 140px; resize: vertical; }
    .form-submit { text-align: center; margin-top: 36px; }
    .btn-submit { display: inline-block; padding: 16px 64px; font-size: 0.9rem; font-weight: 600; font-family: 'Noto Sans JP', sans-serif; color: var(--primary); background: var(--accent); border: none; border-radius: 50px; cursor: pointer; transition: background var(--transition), transform var(--transition); letter-spacing: 1px; }
    .btn-submit:hover { background: var(--accent-light); transform: translateY(-2px); }

    /* ===== FLOATING CTA ===== */
    .floating-cta { position: fixed; bottom: 24px; right: 24px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
    .floating-cta a { display: flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: 50px; font-size: 0.85rem; font-weight: 700; color: var(--white); transition: var(--transition); box-shadow: 0 4px 20px rgba(0,0,0,0.25); }
    .floating-cta a:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }
    .floating-cta .fc-phone { background: var(--primary); }
    .floating-cta .fc-contact { background: var(--accent); }
    .floating-cta a svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    /* ===== FOOTER ===== */
    footer { background: #050a10; color: rgba(255,255,255,0.45); padding: 48px 0; text-align: center; }
    .footer-logo { margin-bottom: 12px; }
    .footer-logo img { height: 60px; width: auto; margin: 0 auto; filter: invert(1); mix-blend-mode: screen; }
    .footer-copy { font-size: 0.72rem; letter-spacing: 0.5px; }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 768px) {
      .hamburger { display: flex; }
      .header-cta { display: none; }
      nav { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: var(--white); box-shadow: -4px 0 20px rgba(0,0,0,0.1); transition: right 0.4s ease; padding: 100px 32px 32px; z-index: 1050; }
      nav.open { right: 0; }
      nav ul { flex-direction: column; gap: 24px; }
      nav a { font-size: 0.95rem; }
      .hero { min-height: 100vh; }
      .hero-bg img { object-position: 70% bottom; }
      .hero-content { padding: 0 20px; }
      .hero-title { font-size: 1.8rem; white-space: normal; text-shadow: 0 1px 8px rgba(255,255,255,0.6); }
      .hero-sub { font-size: 0.82rem; max-width: 240px; text-shadow: 0 1px 6px rgba(255,255,255,0.5); }
      .hero-cta { font-size: 0.85rem; padding: 14px 32px; }
      .hero-scroll { display: none; }
      .concept { padding: 80px 0; }
      .concept-header h2 { font-size: 1.4rem; }
      .concept-circles { flex-direction: column; gap: 24px; }
      .concept-circle { width: 220px; height: 220px; }
      .concept-circle .circle-num { font-size: 2.2rem; }
      .concept-circle .circle-label { font-size: 0.9rem; }
      .concept-center { position: relative; left: auto; top: auto; transform: none; }
      .concept-formula { font-size: 1.1rem; }
      .service-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
      .service-body h3 { font-size: 1rem; }
      .message-grid { grid-template-columns: 1fr; gap: 32px; }
      .message-photo { display: flex; justify-content: center; }
      .message-photo-frame { width: 220px; }
      .message-content h3 { font-size: 1.5rem; }
      .section-title { font-size: 1.4rem; }
      .company-row { flex-direction: column; }
      .company-row dt { width: 100%; padding: 14px 20px 4px; }
      .company-row dd { padding: 4px 20px 14px; }
      .access-grid { grid-template-columns: 1fr; }
      .contact-phone a { font-size: 1.5rem; }
      .floating-cta { bottom: 16px; right: 16px; }
      .floating-cta a { padding: 12px 20px; font-size: 0.8rem; }
    }
    @media (max-width: 480px) {
      .service-grid { grid-template-columns: 1fr; }
      .hero-title { font-size: 1.7rem; }
      .hero-cta { font-size: 0.85rem; padding: 14px 28px; }
      .concept-circle { width: 180px; height: 180px; }
    }
    @media (max-height: 500px) and (orientation: landscape) {
      /* スマホ横画面で縦幅が極端に短い場合の調整 */
      .hero { min-height: 400px; }
      .hero-title { font-size: 1.5rem; margin-bottom: 16px; }
      .hero-sub { margin-bottom: 24px; }
      .hero-content { padding-top: 20px; }
      /* メニューを開いた時にスクロールできるようにする */
      nav { overflow-y: auto; padding-bottom: 40px; }
    }