:root {
      --point: #3B82F6;
      --bg: #F9FBFC;
      --radius: 1.4rem;
      --shadow: 0 4px 24px rgba(59,130,246,0.12), 0 1.5px 8px rgba(0,0,0,0.06);
    }
    html {
      font-family: 'Pretendard', 'Apple SD Gothic Neo', Arial, sans-serif;
      background: var(--bg);
      color: #1c222b;
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      padding: 0;
    }
    header {
      background: linear-gradient(135deg, var(--point) 60%, #60a5fa 100%);
      color: #fff;
      padding: 2.5rem 1.3rem 2rem 1.3rem;
      border-radius: 0 0 var(--radius) var(--radius);
      box-shadow: var(--shadow);
      text-align: center;
    }
    nav {
      margin-bottom: 1.3rem;
      display: flex;
      justify-content: center;
      gap: 1.4rem;
      flex-wrap: wrap;
    }
    nav a {
      color: #fff;
      background: rgba(0,0,0,0.08);
      text-decoration: none;
      padding: 0.6rem 1.3rem;
      border-radius: var(--radius);
      font-weight: 500;
      font-size: 1.06rem;
      transition: background 0.15s;
    }
    nav a:hover {
      background: rgba(0,0,0,0.18);
    }
    header h1 {
      margin: 1.2rem 0 0.6rem 0;
      font-size: 2.2rem;
      letter-spacing: -1.5px;
      font-weight: 800;
      line-height: 1.2;
    }
    header img {
      width: 100%;
      max-width: 420px;
      border-radius: var(--radius);
      margin-top: 1.1rem;
      box-shadow: var(--shadow);
    }
    header p {
      font-size: 1.1rem;
      margin: 1.2rem 0 0.3rem 0;
      font-weight: 500;
      opacity: 0.93;
    }
    section {
      max-width: 800px;
      margin: 2.7rem auto;
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 2.2rem 1.4rem 2.2rem 1.4rem;
    }
    section h2 {
      color: var(--point);
      font-size: 1.45rem;
      font-weight: 700;
      margin-bottom: 1.6rem;
      letter-spacing: -1px;
    }
    #service ul {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
      gap: 1.1rem;
      list-style: none;
      padding: 0;
      margin: 0 0 1.3rem 0;
    }
    #service li {
      background: #f1f6fd;
      border-radius: var(--radius);
      padding: 1.2rem 0.8rem;
      font-weight: 600;
      text-align: center;
      box-shadow: 0 2px 8px rgba(59,130,246,0.05);
    }
    #service a {
      color: var(--point);
      text-decoration: none;
    }
    section img {
      margin: 1rem auto 0 auto;
      max-width: 340px;
      width: 100%;
      border-radius: var(--radius);
      display: block;
      box-shadow: 0 2px 14px rgba(59,130,246,0.10);
    }
    #review article {
      background: #f5fafe;
      border-radius: var(--radius);
      padding: 1.3rem 1rem 1.1rem 1rem;
      margin-bottom: 1.4rem;
      box-shadow: 0 1.5px 8px rgba(59,130,246,0.08);
    }
    #review h3 {
      font-size: 1.1rem;
      color: var(--point);
      margin: 0 0 0.3rem 0;
    }
    #review p {
      font-size: 1rem;
      margin: 0.6rem 0 0 0;
    }
    #review img {
      margin-top: 0.6rem;
      border-radius: 0.7rem;
    }
     #review a {
      color: var(--point);
      font-weight: 500;
      text-decoration: none;
      margin-left: 0.3rem;
    }
    #faq ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    #faq li {
      background: #f1f6fd;
      border-radius: var(--radius);
      padding: 1rem 0.8rem;
      margin-bottom: 1.1rem;
      font-size: 1.01rem;
      box-shadow: 0 1.5px 8px rgba(59,130,246,0.06);
    }
    #faq a {
      color: var(--point);
      font-weight: 500;
      text-decoration: none;
      margin-left: 0.3rem;
    }
    #contact form {
      display: flex;
      flex-direction: column;
      gap: 0.8rem;
      margin-bottom: 1.3rem;
    }
    #contact input, #contact textarea {
      padding: 0.85rem 1rem;
      border-radius: 0.7rem;
      border: 1.5px solid #e5e9ef;
      font-size: 1rem;
      background: #f5fafd;
      font-family: inherit;
      transition: border 0.18s;
    }
    #contact input:focus, #contact textarea:focus {
      outline: none;
      border: 1.7px solid var(--point);
    }
    #contact button {
      background: var(--point);
      color: #fff;
      font-weight: 600;
      border: none;
      padding: 1rem 0;
      border-radius: 0.7rem;
      font-size: 1.07rem;
      box-shadow: 0 2px 10px rgba(59,130,246,0.09);
      cursor: pointer;
      margin-top: 0.5rem;
      transition: background 0.15s;
    }
    #contact button:hover {
      background: #2563eb;
    }
    #contact p {
      margin-top: 1.1rem;
      text-align: center;
      font-size: 1rem;
      color: #3b5998;
    }
    footer {
      background: #fff;
      border-top: 1px solid #e7e9ef;
      color: #999;
      font-size: 0.96rem;
      text-align: center;
      padding: 1.6rem 0 1rem 0;
      margin-top: 3rem;
    }
    footer nav {
      margin-bottom: 0.8rem;
      gap: 0.7rem;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
    }
    footer nav a {
      color: var(--point);
      font-weight: 500;
      text-decoration: none;
      margin: 0 0.5rem;
    }
    @media (max-width: 670px) {
      header h1 {
        font-size: 1.35rem;
      }
      section {
        padding: 1.2rem 0.5rem;
      }
      nav {
        gap: 0.7rem;
      }
    }
    #loading-spinner {
  position: fixed;
  z-index: 9999;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.93);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  transition: opacity .25s;
}

#loading-spinner .droplet {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, #3B82F6 70%, #60a5fa 100%);
  border-radius: 62% 38% 72% 28%/38% 62% 38% 62%;
  animation: droplet-bounce 1.1s infinite cubic-bezier(.62,.1,.38,.9);
  margin-bottom: 18px;
  box-shadow: 0 4px 16px rgba(59,130,246,0.13);
}
@keyframes droplet-bounce {
  0% { transform: translateY(0) scale(1);}
  60% { transform: translateY(-28px) scale(1.05);}
  85% { transform: translateY(0) scale(0.95);}
  100% { transform: translateY(0) scale(1);}
}
#loading-spinner .wave {
  width: 50px; height: 10px;
  background: linear-gradient(90deg, #e6f2fd 10%, #3B82F6 80%);
  border-radius: 50%;
  filter: blur(1px);
  animation: wave-fade 1.1s infinite alternate;
}
@keyframes wave-fade {
  0% { opacity: .5; transform: scaleX(1);}
  60% { opacity: 1; transform: scaleX(1.13);}
  100% { opacity: .5; transform: scaleX(1);}
}

#call-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 9999;
  background: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(59,130,246,0.18);
  border-radius: 50%;
  transition: transform 0.17s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#call-btn:hover {
  transform: scale(1.13) rotate(-5deg);
  box-shadow: 0 8px 36px rgba(59,130,246,0.22);
}
#call-btn svg {
  display: block;
}
@media (max-width:500px) {
  #call-btn { right: 16px; bottom: 16px; }
}