body {
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  background: #fff;
  color: #333;
  line-height: 1.6;
}

header {
position: fixed;
top: 0; left: 0; right: 0;
background: white;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
  font-size: 24px;
  font-weight: bold;
}

header nav ul {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

header nav a {
  text-decoration: none;
  color: #333;
}

.hero {
  height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}


.hero h1 {
  font-size: 40px;
}

section {
  padding-top: 120px;  /* ← ヘッダーの高さ + 少し余裕 */
  padding-bottom: 60px;
  max-width: 900px;
  margin: 0 auto;
}


.line-btn {
  display: inline-block;
  background: #06c755;
  color: white;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}

footer {
  background: #f0f0f0;
  padding: 1rem;
  text-align: center;
}
.faq-chat {
  max-width: 800px;
  margin: 100px auto 60px;
  padding: 0 20px;
}

.chat {
  margin-bottom: 1rem;
  padding: 0.8em 1em;
  border-radius: 10px;
  max-width: 80%;
  line-height: 1.6;
}

.chat.user {
  background-color: #f1f1f1;
  align-self: flex-start;
}

.chat.admin {
  background-color: #d2f4d2;
  align-self: flex-end;
  margin-left: auto;
}
.contact-section {
  max-width: 800px;
  margin: 100px auto 60px;
  padding: 0 20px;
  text-align: center;
}

.line-button {
  display: inline-block;
  background-color: #06c755;
  color: white;
  font-weight: bold;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 30px;
  margin: 20px 0;
  font-size: 16px;
  transition: background-color 0.3s;
}

.line-button:hover {
  background-color: #04b24c;
}

.contact-info {
  font-size: 16px;
  color: #333;
  line-height: 2;
  text-align: left;
  margin-top: 20px;
}

.contact-info a {
  color: #06c755;
  text-decoration: none;
}

.contact-info a:hover {
  text-decoration: underline;
}