:root {
      --primary: #1d2088;
      /* 指定カラー：ネイビー */
      --primary-light: #2b30ad;
      --accent: #794d9b;
      /* 指定カラー：パープル */
      --accent-light: #905fbb;
      --white: #FFFFFF;
      --bg-light: #F8F9FA;
      /* スマートな薄いグレー */
      --text-dark: #2C3338;
      --text-mid: #555F66;
      --border: #E5E9EC;
    }

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

    html {
      scroll-behavior: smooth;
      overflow-x: hidden;
    }

    body {
      font-family: 'Noto Sans JP', sans-serif;
      font-size: 16px;
      background: var(--white);
      color: var(--text-dark);
      line-height: 1.8;
      overflow-x: hidden;
      letter-spacing: 0.05em;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
      user-select: none;
    }

    img {
      max-width: 100%;
      height: auto;
      -webkit-user-drag: none;
      -webkit-touch-callout: none;
      pointer-events: none;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 40px;
      transition: all 0.3s ease;
    }

    .header-logo {
      display: flex;
      align-items: center;
    }

    .header-logo img {
      height: 50px;
      width: auto;
    }

    .header-nav {
      display: flex;
      gap: 32px;
      align-items: center;
    }

    .header-nav a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-dark);
      transition: color 0.3s;
    }

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

    .header-actions {
      display: flex;
      gap: 12px;
    }

    .btn-header {
      padding: 10px 20px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 13px;
      transition: all 0.3s;
      border: 2px solid transparent;
    }

    .btn-header-tel {
      background: transparent;
      color: var(--primary);
      border-color: var(--primary);
    }

    .btn-header-tel:hover {
      background: var(--primary);
      color: var(--white);
    }

    .btn-header-contact {
      background: var(--accent);
      color: var(--white);
    }

    .btn-header-contact:hover {
      background: var(--accent-light);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(121, 77, 155, 0.3);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 26px;
      height: 18px;
      background: none;
      border: none;
      cursor: pointer;
      z-index: 1001;
    }

    .menu-toggle span {
      display: block;
      width: 100%;
      height: 2px;
      background-color: var(--primary);
      transition: all 0.3s;
    }

    @keyframes crossfade {
      0% {
        opacity: 0;
        transform: scale(1);
      }

      10% {
        opacity: 1;
      }

      33% {
        opacity: 1;
      }

      43% {
        opacity: 0;
        transform: scale(1.05);
      }

      100% {
        opacity: 0;
      }
    }

    .hero {
      position: relative;
      height: 100vh;
      min-height: 700px;
      background: var(--bg-light);
      display: flex;
      align-items: center;
      overflow: hidden;
      padding-top: 80px;
    }

    .hero-diagonal {
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      width: 55%;
      clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
      overflow: hidden;
      background: var(--border);
    }

    .hero-slider-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      opacity: 0;
    }

    .slide-bg-1 {
      animation: crossfade 15s infinite;
      animation-delay: 0s;
    }

    .slide-bg-2 {
      animation: crossfade 15s infinite;
      animation-delay: 5s;
    }

    .slide-bg-3 {
      animation: crossfade 15s infinite;
      animation-delay: 10s;
    }

    .hero-accent-line {
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 8px;
      background: linear-gradient(180deg, var(--primary), var(--accent));
    }

    .hero-content {
      position: relative;
      z-index: 10;
      padding: 0 5% 0 10%;
      max-width: 55%;
    }

    .hero-label {
      font-family: 'Montserrat', sans-serif;
      font-weight: 600;
      font-size: 14px;
      color: var(--accent);
      letter-spacing: 0.2em;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .hero-label::after {
      content: '';
      width: 40px;
      height: 2px;
      background: var(--accent);
    }

    .hero-title {
      font-family: 'Shippori Mincho', serif;
      font-size: clamp(32px, 4.5vw, 56px);
      font-weight: 700;
      color: var(--primary);
      line-height: 1.3;
      margin-bottom: 24px;
    }

    .hero-subtitle {
      font-size: 16px;
      color: var(--text-mid);
      margin-bottom: 40px;
      line-height: 2;
      border-left: 3px solid var(--accent);
      padding-left: 20px;
    }

    .btn-main {
      padding: 16px 32px;
      border-radius: 50px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      transition: all 0.3s;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    }

    .btn-main.primary {
      background: var(--primary);
      color: var(--white);
    }

    .btn-main.primary:hover {
      background: var(--primary-light);
      transform: translateY(-3px);
      box-shadow: 0 12px 25px rgba(29, 32, 136, 0.2);
    }

    .btn-main.accent {
      background: var(--accent);
      color: var(--white);
    }

    .btn-main.accent:hover {
      background: var(--accent-light);
      transform: translateY(-3px);
      box-shadow: 0 12px 25px rgba(121, 77, 155, 0.2);
    }

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

    section {
      padding: 100px 0;
    }

    .section-bg {
      background: var(--bg-light);
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 25px;
    }

    .section-head {
      margin-bottom: 60px;
      text-align: center;
    }

    .section-en {
      font-family: 'Montserrat', sans-serif;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 0.15em;
      display: block;
      margin-bottom: 12px;
    }

    .section-title {
      font-family: 'Shippori Mincho', serif;
      font-size: 32px;
      font-weight: 700;
      color: var(--primary);
    }

    .section-line {
      width: 40px;
      height: 2px;
      background: var(--accent);
      margin: 24px auto 0;
    }

    #trouble {
      position: relative;
      overflow: hidden;
      z-index: 1;
    }

    #trouble::after {
      content: "";
      position: absolute;
      bottom: 50px;
      right: -10px;
      width: 600px;
      height: 500px;
      background-image: url("../img/worrysvg.svg");
      background-repeat: no-repeat;
      background-position: bottom right;
      background-size: contain;
      opacity: 0.05;
      z-index: -1;
      pointer-events: none;
    }

    .trouble-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .trouble-item {
      background: var(--white);
      padding: 24px 30px;
      border-radius: 12px;
      display: flex;
      align-items: flex-start;
      gap: 16px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.03);
      border: 1px solid var(--border);
      transition: transform 0.3s;
    }

    .trouble-item:hover {
      transform: translateY(-5px);
      border-color: var(--accent);
    }

    .trouble-icon {
      color: var(--accent);
      font-size: 20px;
      margin-top: 3px;
    }

    .trouble-text {
      font-weight: 500;
      color: var(--text-dark);
    }

    .about-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }

    .about-img {
      width: 100%;
      border-radius: 20px;
      box-shadow: -20px 20px 0 var(--bg-light);
    }

    .about-text h3 {
      font-family: 'Shippori Mincho', serif;
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 24px;
      line-height: 1.5;
    }

    .about-text p {
      margin-bottom: 20px;
      color: var(--text-mid);
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--white);
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
      border-top: 4px solid var(--primary);
      transition: all 0.3s;
    }

    .service-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
      border-color: var(--accent);
    }

    .service-card-header {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 16px;
    }

    .service-icon {
      width: 60px;
      height: 60px;
      background: var(--bg-light);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--accent);
      margin-bottom: 0;
      flex-shrink: 0;
    }

    .service-card h4 {
      font-size: 20px;
      color: var(--primary);
      margin-bottom: 0;
      font-weight: 700;
      line-height: 1.4;
    }

    .service-card p {
      color: var(--text-mid);
    }

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

    .profile-img {
      width: 40%;
      aspect-ratio: 1 / 1;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: -20px 20px 0 var(--bg-light);
    }

    .profile-content {
      width: 60%;
    }

    .profile-name {
      font-family: 'Shippori Mincho', serif;
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }

    .profile-role {
      color: var(--accent);
      font-weight: 600;
      font-size: 14px;
      margin-bottom: 30px;
      letter-spacing: 0.1em;
    }

    .profile-text p {
      margin-bottom: 20px;
      color: var(--text-mid);
    }

    .price-parallax {
      position: relative;
      clip-path: inset(0);
    }

    .price-parallax::before {
      content: '';
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      background-image: url('../img/pricebg.jpg');
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
      z-index: -2;
      pointer-events: none;
    }

    .price-parallax::after {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgb(255 255 255 / 80%);
      z-index: -1;
      pointer-events: none;
    }

    .price-parallax .container {
      position: relative;
      z-index: 1;
    }

    .price-box {
      background: var(--white);
      border: 2px solid var(--border);
      border-radius: 16px;
      padding: 50px;
      text-align: center;
    }

    .price-box h3 {
      color: var(--primary);
      margin-bottom: 24px;
      font-size: 22px;
    }

    .price-box p {
      color: var(--text-mid);
      margin-bottom: 30px;
      text-align: left;
    }

    .price-notice {
      background: var(--bg-light);
      padding: 20px;
      border-radius: 8px;
      font-size: 14px;
      color: var(--text-dark);
      text-align: left;
      margin-bottom: 30px;
    }

    .flow-list {
      position: relative;
      padding-left: 40px;
    }

    .flow-list::before {
      content: '';
      position: absolute;
      left: 19px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border);
    }

    .flow-item {
      position: relative;
      margin-bottom: 40px;
    }

    .flow-item:last-child {
      margin-bottom: 0;
    }

    .flow-num {
      position: absolute;
      left: -60px;
      top: 0;
      width: 40px;
      height: 40px;
      background: var(--primary);
      color: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: 'Montserrat', sans-serif;
      font-weight: 700;
      font-size: 18px;
      box-shadow: 0 0 0 8px var(--white);
    }

    .flow-content h4 {
      font-size: 20px;
      color: var(--primary);
      margin-bottom: 12px;
      padding-top: 6px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .flow-content h4 i {
      color: var(--accent);
      font-size: 22px;
    }

    .flow-content p {
      color: var(--text-mid);
    }

    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    details {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 10px;
      margin-bottom: 16px;
      overflow: hidden;
    }

    summary {
      padding: 24px 30px;
      font-weight: 600;
      color: var(--text-dark);
      cursor: pointer;
      position: relative;
      list-style: none;
      display: flex;
      align-items: center;
    }

    summary::-webkit-details-marker {
      display: none;
    }

    summary::before {
      content: 'Q.';
      color: var(--primary);
      font-family: 'Montserrat', sans-serif;
      font-size: 20px;
      margin-right: 16px;
      font-weight: 700;
    }

    summary::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      right: 30px;
      color: var(--accent);
      transition: transform 0.3s;
    }

    details[open] summary::after {
      transform: rotate(180deg);
    }

    .faq-answer {
      padding: 0 30px 24px 70px;
      color: var(--text-mid);
      position: relative;
    }

    .faq-answer::before {
      content: 'A.';
      color: var(--accent);
      font-family: 'Montserrat', sans-serif;
      font-size: 20px;
      position: absolute;
      left: 30px;
      top: 0;
      font-weight: 700;
    }

    .message-area {
      padding: 100px 0;
    }

    .message-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: stretch;
    }

    .message-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 20px;
      box-shadow: 20px 20px 0 var(--bg-light);
    }

    .message-text .message-title {
      font-family: 'Shippori Mincho', serif;
      font-size: 28px;
      color: var(--primary);
      margin-bottom: 24px;
      line-height: 1.5;
    }

    .message-text p {
      margin-bottom: 20px;
      color: var(--text-mid);
    }

    .message-highlight {
      margin-top: 32px;
      font-weight: 700;
      font-size: 18px;
      color: var(--text-dark) !important;
      border-left: 4px solid var(--accent);
      padding-left: 16px;
    }

    .cta-area {
      padding: 100px 0;
      text-align: center;
    }

    .cta-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 40px;
    }

    .cta-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 40px 20px;
      transition: all 0.3s;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-decoration: none;
    }

    .cta-card:hover {
      border-color: var(--primary);
      box-shadow: 0 10px 30px rgba(29, 32, 136, 0.1);
      transform: translateY(-5px);
    }

    .cta-card i {
      font-size: 40px;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .cta-card.accent i {
      color: var(--accent);
    }

    .cta-card h4 {
      font-size: 18px;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .cta-card span {
      display: inline-block;
      padding: 8px 24px;
      border-radius: 50px;
      background: var(--bg-light);
      color: var(--primary);
      font-weight: 600;
      font-size: 14px;
      transition: all 0.3s;
    }

    .cta-card:hover span {
      background: var(--primary);
      color: var(--white);
    }

    .cta-card.accent:hover span {
      background: var(--accent);
      color: var(--white);
    }

    .site-footer {
      background: var(--white);
      color: var(--text-mid);
      padding: 80px 0 30px;
    }

    .footer-flex {
      display: flex;
      justify-content: space-between;
      gap: 60px;
      margin-bottom: 60px;
    }

    .footer-info {
      flex: 1;
    }

    .footer-logo {
      margin-bottom: 20px;
      display: block;
    }

    .footer-logo img {
      height: 50px;
      width: auto;
    }

    .footer-address {
      margin-bottom: 20px;
      line-height: 2;
      font-size: 14px;
    }

    .footer-sns {
      display: flex;
      gap: 16px;
    }

    .footer-sns a {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      transition: all 0.3s;
      border: 1px solid var(--border);
    }

    .footer-sns a:hover {
      background: var(--accent);
      color: var(--white);
      border-color: var(--accent);
      transform: translateY(-3px);
    }

    .footer-map {
      flex: 1;
      border-radius: 12px;
      overflow: hidden;
      height: 250px;
    }

    .footer-copy {
      text-align: center;
      font-size: 12px;
      border-top: 1px solid var(--border);
      padding-top: 30px;
      color: var(--text-mid);
    }

    .fixed-cta-sp {
      display: none;
    }

    .sp-br {
      display: none;
    }

    .back-to-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: var(--primary);
      color: var(--white);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 99;
      text-decoration: none;
    }

    .back-to-top:hover {
      background: var(--accent);
      color: var(--white);
      transform: translateY(-3px);
    }

    .back-to-top.show {
      opacity: 1;
      visibility: visible;
    }

    @media (max-width: 960px) {
      .header-actions {
        display: none;
      }

      .header-nav {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        padding: 40px 20px;
        align-items: center;
        gap: 30px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 1000;
      }

      body.menu-open .header-nav {
        transform: translateX(0);
      }

      body.menu-open {
        overflow: hidden;
      }

      .menu-toggle {
        display: flex;
        z-index: 1001;
      }

      body.menu-open .menu-toggle span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
      }

      body.menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
      }

      body.menu-open .menu-toggle span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
      }

      section, .message-area, .cta-area {
        padding: 60px 0;
      }

      .hero {
        flex-direction: column;
        padding-top: 80px;
        height: auto;
        min-height: auto;
        padding-bottom: 0;
      }

      .hero-diagonal {
        position: relative;
        width: 100%;
        height: 40vh;
        clip-path: none;
      }

      .hero-accent-line {
        display: none;
      }

      .hero-content {
        max-width: 100%;
        padding: 50px 25px;
      }

      .about-flex {
        grid-template-columns: 1fr;
      }

      .service-grid,
      .trouble-list {
        grid-template-columns: 1fr;
      }

      .service-card-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
      }

      .profile-flex {
        flex-direction: column;
        gap: 40px;
      }

      .profile-img {
        width: 240px;
        margin: 0 auto;
        box-shadow: -10px 10px 0 var(--bg-light);
      }

      .profile-content {
        width: 100%;
      }

      .price-box {
        padding: 20px;
      }

      .price-box h3 {
        font-size: 20px;
      }

      .cta-grid {
        grid-template-columns: 1fr;
      }

      .message-flex {
        grid-template-columns: 1fr;
        gap: 40px;
      }

      .message-text {
        order: 1;
      }

      .message-text .message-title {
        font-size: 20px;
      }

      .message-highlight {
        font-size: 14px;
        padding-left: 12px;
      }

      .message-img {
        box-shadow: 10px 10px 0 var(--bg-light);
        height: auto;
        aspect-ratio: 4/3;
      }

      summary {
        padding: 24px 20px;
      }

      summary::before {
        margin-right: 11px;
      }

      summary::after {
        right: 15px;
      }

      .site-footer {
        padding: 40px 0 20px;
      }

      .footer-flex {
        flex-direction: column;
        margin-bottom: 0px;
        gap: 30px;
      }

      .footer-copy {
        padding-top: 15px;
      }

      .sp-br {
        display: block;
      }

      .fixed-cta-sp {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 70px;
        z-index: 2000;
        box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
      }

      .fixed-cta-sp a {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: var(--white);
        font-size: 11px;
        font-weight: 600;
        gap: 6px;
        text-decoration: none;
      }

      .fixed-cta-tel {
        background: var(--primary);
        border-right: 1px solid rgba(255, 255, 255, 0.2);
      }

      .fixed-cta-souzoku {
        background: var(--accent);
        border-right: 1px solid rgba(255, 255, 255, 0.2);
      }

      .fixed-cta-other {
        background: var(--text-dark);
      }

      #trouble::after {
        top: 0;
        bottom: auto;
        right: -20px;
        width: 300px;
        height: 250px;
      }

      .hero-subtitle {
        font-size: 14px;
      }

      .hero-btn-group {
        display: none;
      }

      .section-title {
        font-size: 25px;
      }

      .about-text h3 {
        font-size: 20px;
      }

      body {
        padding-bottom: 70px;
        /* Space for fixed SP nav */
        font-size: 14px;
      }

      .back-to-top {
        bottom: 90px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 18px;
      }
    }