/* 共通リセット */
* { box-sizing: border-box; margin: 0; padding: 0; }
body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  color: #333;
}

/* ヒーローセクション */
.hero {
  position: relative;
  background: url('L1030571.JPG') no-repeat center center;
  background-size: cover;
  height: 100vh;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.3);
}
.lang-switch {
  position: absolute;
  top: 20px;
  left: 20px;
}
.lang-switch a, .lang-switch span {
  color: #fff;
  text-decoration: none;
  margin: 0 5px;
  font-weight: bold;
}
.email-button {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #fff;
  color: #000;
  text-decoration: none;
  padding: 10px 15px;
  border: 1px solid #000;
}
.intro {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.intro h1 {
  margin: 0;
  font-size: 3em;
  letter-spacing: 2px;
}
.intro h2 {
  margin: 10px 0 0 0;
  font-size: 1.5em;
  opacity: 0.8;
}

/* セクション全般 */
section {
  padding: 60px 20px;
  text-align: center;
}
section h2 {
  font-size: 2em;
  margin-bottom: 20px;
}
section p {
  line-height: 1.6;
  margin: 10px 0;
}

/* 概要セクション */
.overview {
  background: #fff;
}

/* 提供セクション */
.services {
  background: #f5f5f5;
}
.services .services-list {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 40px;
}
.service-item {
  flex: 0 0 30%;
  margin: 20px 0;
  text-align: left;
}
.service-item h3 {
  margin: 0 0 10px 0;
  font-size: 1.2em;
}

/* 連絡先セクション */
.contact a {
  color: #333;
  text-decoration: none;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .services .services-list {
    flex-direction: column;
    align-items: center;
  }
  .service-item {
    flex: 0 0 80%;
    margin: 20px 0;
  }
  .intro {
    position: static;
    transform: none;
    padding: 40px 0;
  }
  .lang-switch, .email-button {
    position: static;
    display: inline-block;
    margin: 5px;
  }
  .email-button {
    margin: 10px auto;
  }
}