    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: 'Roboto', sans-serif;
      color: #333;
      background: #f8f9fa;
      line-height: 1.6;
    }


    header {
      background: #fff;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
  padding: 12px 24px;
    }

 /* Default: hide mobile header */
    .mobile-header {
      display: none;
    }

    .hamburger {
      font-size: 1.8rem;
      background: none;
      border: none;
      cursor: pointer;
    }

    .phone-btn {
      font-size: 1.5rem;
      text-decoration: none;
      color: #000;
    }

    .main-nav {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 2.2rem;
      list-style: none;
      margin: 0;
      padding: 0.6rem 0;
    }

    .main-nav li {
      position: relative;
    }

.main-nav a {
     font-weight: normal;
     color: #000;
    font-size: 1.05rem;
    padding: 0.6rem 0.8rem;
    transition: color 0.3s;
    display: inline-block;
    text-decoration: none;
    position: relative;
}

/* underline layer */
.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
     bottom: 0px;
     width: 100%;
     height: 2px;
     background: #6c6868;

    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s ease;
}

/* hover animation */
.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
}

.main-nav a:hover,
.main-nav a.active {
     font-weight: bold;
    text-decoration: none;
}

    .main-nav .logo-item {
      padding: 0;
    }

    .main-nav .logo-item a {
      padding: 0;
    }

/* Remove underline effect from logo */
    .main-nav .logo-item a::after {
      display: none;
    }

    .main-nav .logo-item img {
      height: 55px;
      width: auto;
      display: block;
      transition: transform 0.25s;
    }

    .main-nav .logo-item img:hover {
      transform: scale(1.08);
    }

 /* Hero section: background image + gray tone + white rectangle box */
    .hero {
      position: relative;
      max-height: 60vh;
      background: url('/img/services01.jpeg');
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;

      padding: 4rem 5% 6rem;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.35);
    }

    .hero-content-box {
      background: none;
      border-radius: 0px;
      padding: 3rem 2rem;
      max-width: 1000px;

      border: none;
      z-index: 1;
    }

    .hero-content-box {
      opacity: 0;
      transform: translateY(60px);
      animation: slideUp 1s ease forwards;
    }

    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(60px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .section-divider {
      border: none;
      height: 3px;
      background: white;
      margin: 1.8rem 0 2.2rem;
      max-width: 55px;
      margin-left: auto;
      margin-right: auto;
      margin-top: 0;
      opacity: 1;
    }

    .hero h1 {
      font-size: 2.5rem;
      margin-bottom: 0rem;
      font-weight: 700;
      color: white;
    }

    .hero h3 {
    font-size: 1.35rem;
      line-height: 1.5;
      margin-bottom: 0rem;
      font-weight: 400;
      color: white;
      font-style: italic;
    }

    .hero p {
      font-size: 1.25rem;
      margin-bottom: 2.5rem;
      color: #555;
      line-height: 1.7;
    }


    .section {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 5%;
      text-align: center;
    }

    /* section background */
    .bg-light-gray {
      background: #f5f5f5;
    }

    .bg-white {
      background: #fff;
    }

    /* Outer margin */
    .service-row {
      padding: 1.5rem;
    }

    .inner-box {
      overflow: hidden;
      padding: 1.5rem;
    }

    .inner-box.white {
      background: #fff;
    }

    .inner-box.gray {
      background: #f5f5f5;
    }

    .img-box {
      position: relative;
      height: 100%;

      overflow: hidden;
    }

    .img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    /* overlay bar */
.img-overlay {
  position: absolute;
  left: 0;
  bottom: 50%;  /* 세로 중앙 맞춤 */
  transform: translateY(50%);
  width: 100%;
  background: rgba(0, 0, 0, 0.2); /* 중앙 띠 색 */
  text-align: center;
  padding: 15px 0;
}


    .img-overlay h1 {
      margin: 0;
      color: #fff;

    }

    .img-box .img-overlay {
      display: block;
    }

    .text-box {
      padding: 1.5rem;
      display: flex;
      flex-direction: column;
      justify-content: center;
      font-size: 16px;
    }

    .text-box h7 {
      font-weight: bolder;
        font-size: 20px;
  letter-spacing: -0.2px;
    }

    .divider {
      width: 40px;
      height: 2px;
      margin: 15px 0;
      background: black;
    }

    /* section */
    .feature-section {
      background: #fff;
      padding: 80px 0;
    }

    .feature-box {
      padding: 30px 20px;
      text-align: center;
    }

    .icon-circle {
      width: 80px;
      height: 80px;
      margin: 0 auto 20px;

      border: 1px solid rgba(200, 200, 200, 0.5); 
      border-radius: 50%;

      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08); 
  background: #fff;
    }

    /* SVG */
    .icon-circle img {
      width: 35px;
      height: 35px;
    }

    /* Title */
    .feature-box h5 {
      margin-top: 10px;
      margin-bottom: 15px;
      font-weight: 600;
        font-size: 23px;
    }

    /* Text */
    .feature-box p {
      color: #151515;
      font-size: 16px;
      line-height: 1.6;
    }

    /* Animation */
    .from-left {
      opacity: 0;
      transform: translateX(-80px);
    }

    .from-right {
      opacity: 0;
      transform: translateX(80px);
    }

    .show {
      opacity: 1;
      transform: translateX(0);
      transition: all 0.8s ease;
    }


    .g-0 {
      --bs-gutter-x: 0;
      --bs-gutter-y: 0;
    }

    .logo-partners {
      padding-top: 40px;
      padding-bottom: 10px;
      background: white;
      border-top: 0px solid white;
      border-bottom: 0px solid white;
    }

    .logo-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
      align-items: center;
    }

    .logo-box {
      position: relative;
      overflow: hidden;
      height: 80px;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 20px;
    }

    .logo-box img {
      width: 100%;
      height: 100%;

      max-width: 160px;
      max-height: 60px;

      object-fit: contain;
      opacity: 1;
      transition: opacity .3s;
    }

    /* Shine layer */
    .logo-box::before {
      content: "";
      position: absolute;
      top: 0;
      left: -150%;
      width: 120%;
      height: 100%;

      background: linear-gradient(90deg,
          transparent,
          rgba(255, 255, 255, 0.9),
          transparent);

      transform: skewX(-25deg);
    }

    /* Hover animation */
    .logo-box:hover::before {
      animation: shineMove 1.5s ease;
    }

    .logo-box:hover img {
      opacity: 1.5;
    }

    @keyframes shineMove {
      0% {
        left: -150%;
      }

      100% {
        left: 150%;
      }
    }

    .contact-select {
      color: gray;
    }

    .contact-select option {
      color: black;
    }

    footer {
      background: #f7f7f7;
      color: black;
      text-align: center;
      padding: 3rem 5% 2rem;
    }

    footer a {
      color: #aaa;
    }

    .copyright {
      margin-top: 2rem;
      font-size: 0.95rem;
    }


    .mobile-header {
      display: none;
    }



    @media (max-width: 768px) {
      .hero {
        min-height: 70vh;
        padding: 3rem 5% 5rem;
      }

      .hero-content-box {
        padding: 2.5rem 1.8rem;
      }

      .hero h1 {
        font-size: 1.5rem;
      }

      .hero h3 {
        font-size: 1rem;
      }

      .hero p {
        font-size: 1.1rem;
      }

      .success-section {
        padding: 80px 15px;
      }

      .section-divider {
        margin: 1.5rem auto 1.8rem auto;
        max-width: 50px;
      }

      .content-box {
        padding: 2.8rem 2rem;
        border-radius: 12px;
      }

      .content-box h2 {
        font-size: 2.3rem;
      }

      .cta-buttons {
        flex-direction: column;
        gap: 1.2rem;
      }

      .btn {
        width: 100%;
        max-width: 360px;
        margin: 0 auto;
      }

      /* Show mobile header only */
      .mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
      }

      .mobile-logo {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
      }

      .mobile-logo img {
        height: 45px;
      }

     /* Hide existing nav */
     .main-nav {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0; 
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 12px 24px rgba(0,0,0,0.25);
     }


      .main-nav.active {
        display: flex;
      }

     /* Show only when hamburger is clicked */
      .main-nav.active {
        display: flex;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 1rem 0;
        gap: 1rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      }

     /* Remove logo from nav */
      .main-nav .logo-item {
        display: none;
      }

 @media (max-width: 445px) {

.hero {
        height: 320px;
        min-height: 320px;
        padding: 25px 5% 25px;
    }


.img-overlay h1 {
    font-size: 26px;
    margin: 0;
}
.text-box h7 {
  font-size: 16px;
  letter-spacing: -0.2px;
}
.feature-box p {
  font-size: 16px;
}


   .logo-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 16px;
     align-items: center;
   }

   .logo-box {
     position: relative;
     overflow: hidden;
     height: 80px;
     display: flex;
     justify-content: center;
     align-items: center;
     padding: 20px;
   }

   .logo-box img {
     width: 100%;
     height: 100%;

     max-width: 120px;
     max-height: 45px;

     object-fit: contain;
     opacity: 1;
     transition: opacity .3s;
   }

        p {
            font-size: 15px;
            letter-spacing: -0.02px;
        }

  }
@media (max-width: 375px) {
  .logo-box img {
  height: 60px;  
  max-width: 90%;    
  }
   }

    }