body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background-color: #f4f6f8;
}

header {
  padding: 2vw 1vw;
  text-align: center;
  margin-bottom: 6vw;
}

.header-lock {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(250, 226, 7, 0.6);
}

.h-logo {
  margin-top: 1vw;
  width: 2vw;
  height: 2vw;
  object-fit: cover;
  border-radius: 50%;
}

.h-name {
  font-size: 1.5vw;
  font-weight: bold;
  margin: 0;
}

.h-name2 {
  font-size: 1.3vw;
}

header h1 {
  margin: 0;
  padding-top: 0.3vw;
  font-size: 1.8vw
}

main {
  max-width: 1000px;
  margin: 2vw auto;
  padding: 1vw;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.back-btn {
  z-index: 1000;
  font-size: 0.8vw;
  font-weight: bold;
  display: inline-block;
  text-decoration: none;
  border: dashed 2px;
  border-radius: 3px;
  transition: 0.4s;
  background-color: transparent;
  position: fixed;
  top: 5%;
  right: 5%;
  padding: 0.5vw 1vw;
  color: inherit;
  text-decoration: none;
}

.back-btn:hover {
  border-style: dotted;
  color: gray;
}



section {
  margin-bottom: 2vw;
}

h2 {
  margin-top: 1.5vw;
  font-size: 2vw;
}

p,
li {
  font-size: 1.5vw;
  line-height: 1.7;
}

ul,
ol {
  padding-left: 1.5vw;
}

.image-box {
  text-align: center;
  margin: 1vw 0;
}

.image-txt {
  font-size: 1vw;
  color: #555;
}

.image-box img {
  max-width: 50%;
  height: auto;
}

.timeline {
  background-color: rgba(250, 226, 7, 0.3);
  padding: 1vw;
  border-left: 4px solid rgba(250, 226, 7, 0.8);
}

.timeline h3 {
  color: #1a237e;
}

footer {
  text-align: center;
  padding: 1vw;
  color: #777;
  font-size: 0.9vw;
}

.faq-item {
  border-bottom: 1px solid #ddd;
  margin-bottom: 0.5vw;
}

.faq-question {
  width: 100%;
  background-color: rgba(250, 226, 7, 0.5);
  border: none;
  text-align: left;
  padding: 1vw;
  font-size: 1.5vw;
  font-weight: bold;
  cursor: pointer;
  outline: none;
  transition: background-color 0.3s;
}

.faq-question:hover {
  background-color: #c5cae9;
}

.faq-answer {
  display: none;
  padding: 1vw;
  background-color: #f1f3f4;
  font-size: 1.5vw;
  color: #333;
  animation: fadeIn 0.3s ease-in-out;
}

.faq-item.active .faq-answer {
  display: block;
}

.m-link {
  font-size: 1.3vw;
  color: black;
  background-color: rgba(250, 226, 7, 0.6);
  padding: 0.3vw;
  border-radius: 5px;
  font-weight: bold;
  text-decoration: none;
  border: 2px solid gray;
}

.m-link:hover {
  background-color: rgba(250, 226, 7, 0.3);
  color: grey;
  cursor: pointer;
}

.tel-txt {
  font-size: 1.3vw;
  font-weight: bold;
}

.t-back {
  font-size: 1.1vw;
  font-weight: bold;
  color: #0066cc;
  text-decoration: underline;
}

.t-back:hover {
  color: #004999;
  cursor: pointer;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {

  header {
    padding: 1vw;
    margin-bottom: 12vw;
    font-size: 3vw;
  }

  .h-logo {
    width: 5vw;
    height: 5vw;
  }

  .h-name {
    font-size: 3vw;
  }

  header h1 {
    font-size: 3vw;
  }

  main {
    margin: 1vw auto;
    padding: 2vw;
  }

  .faq-question {
    color: black;
  }

  .back-btn {
    font-size: 3vw;
    padding: 0.5vw;
    position: fixed;
    top: 85%;
    right: 5%;
  }

  .m-link {
    font-size: 3vw;
  }

  .back-btn {
    z-index: 1000;
    font-size: 2.5vw;
    font-weight: bold;
    display: inline-block;
    padding: 0.5vw 1vw;
    text-decoration: none;
    border: dashed 2px;
    border-radius: 3px;
    transition: 0.4s;
    background-color: transparent;
    position: fixed;
    top: 2.5%;
    right: 5%;
  }

  h2 {
    font-size: 4vw;
  }

  p,
  li {
    font-size: 3vw;
    line-height: 1.7;
  }

  ul,
  ol {
    padding-left: 3vw;
  }

  .faq-question {
    font-size: 3vw;
  }

  .faq-answer {
    font-size: 3vw;
  }

  .tel-txt {
    font-size: 3vw;
    font-weight: bold;
  }

  .t-back {
    font-size: 3vw;
    font-weight: bold;
  }
}