/* =========================
   Header / Nav（共通）
========================= */
header{
    display:flex;
    justify-content:space-between;
    align-items:center;
  }
  
  header h1{
    font-size:18px;
    line-height:20px;
    padding:0 20px;
  }
  
  header h1 span{
    font-size:13px;
  }
  
  .site-nav{
    margin-left:auto;
    position:relative; /* SPドロップダウン基準 */
  }
  
  .site-nav__list{
    list-style:none;
    margin:0;
    padding:0;
  }
  
  .site-nav__list a{
    display:block;
    text-decoration:none;
    color:inherit;
  }
  
  .site-nav__list i{
    margin-right: 8px;
  }
  
  /* =========================
     PC（768px〜）
  ========================= */
  @media (min-width: 768px){
    .nav-toggle{ display:none; }
  
    .site-nav__list{
      display:flex;
      align-items:center;
    }
  
    .site-nav__list li{
      font-size:15px;
      letter-spacing:2px;
      padding:30px 45px;
    }

  }
  
  /* =========================
     SP（〜767px）
  ========================= */
  @media (max-width: 767px){
    header{
      padding:10px 12px;
    }
  
    header h1{
      padding:0;
      font-size:18px;
      line-height:22px;
    }
  
    header h1 span{
      font-size:12px;
    }
  
    /* ハンバーガー：表示 */
    .nav-toggle{
      display:inline-flex;
      flex-direction:column;
      justify-content:center;
      gap:6px;
      width:44px;
      height:44px;
      border:1px solid #d8d8d8;
      background:#fff;
      border-radius:8px;
      padding:0;
      cursor:pointer;
    }
  
    .nav-toggle__bar{
      display:block;
      width:22px;
      height:2px;
      background:#2f6fb3;
      margin:0 auto;
      transition: transform .2s ease, opacity .2s ease;
    }
  
    /* SPメニュー（初期は隠す） */
    .site-nav__list{
      display:none;
      position:absolute;
      right:0;
      top:calc(100% + 10px);
      width:min(320px, 86vw);
      background:#fff;
      border:1px solid #d8d8d8;
      border-radius:12px;
      padding:10px;
      box-shadow:0 8px 24px rgba(0,0,0,.12);
      flex-direction:column;
      gap:2px;
      z-index:9999;
    }
  
    .site-nav__list li{
      padding:0;
      font-size:14px;
      letter-spacing:1px;
    }
  
    .site-nav__list a{
      padding:12px 12px;
    }
  
    /* SPでは最後の青背景を解除 */
    .site-nav__list li:last-child{
      background:transparent;
      color:inherit;
    }
  
    /* 開いた状態 */
    .site-nav.is-open .site-nav__list{
      display:flex;
    }
  
    /* ×に変形 */
    .site-nav.is-open .nav-toggle__bar:nth-child(1){
      transform: translateY(8px) rotate(45deg);
    }
    .site-nav.is-open .nav-toggle__bar:nth-child(2){
      opacity:0;
    }
    .site-nav.is-open .nav-toggle__bar:nth-child(3){
      transform: translateY(-8px) rotate(-45deg);
    }
  }
  
  /* =========================
     main
  ========================= */
  main{
    background-image: url("../img/fv.webp");
    width: 100%;
    height: 100vh;
    object-fit: cover;
    position: relative;
    background-size: cover;
    background-position: center;
  }
  
  .message{
    position: absolute;
    bottom:-200px;
    background-color: #F5F5F5;
    text-align: center;
    padding: 20px 0;
    right: 0;
    left: 0;
    margin: 0 auto;
    width: 50%;
  }
  
  .message h2{
    font-size: 33px;
  }
  
  .message p{
    line-height: 30px;
  }
  
  /* =========================
     about
  ========================= */
  .about{
    position: relative;
    margin: 200px 5% 0;
    padding: 0 0 50px;
    background-color: #F5F5F5;
    text-align: center;
  }
  
  .about ul{
    padding: 0;
    list-style: none;
    display: flex;
  }
  
  .about ul li{
    width: 25%;
    aspect-ratio: 1 / 1;
  }
  
  .about ul li img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .about h2{
    font-size: 33px;
  }
  
  .about p{
    line-height: 30px;
  }
  
  /* =========================
     service
  ========================= */
  .service{
    width: 90%;
    margin: 100px auto;
  }
  
  .service h2{
    font-size: 33px;
    line-height: 25px;
  }
  
  .service h2 span{
    font-size: 15px;
  }
  
  .service ul{
    list-style: none;
    padding: 0;
  }
  
  .service ul li{
    background-color: #004B67;
    color: #F5F5F5;
    display: flex;
    padding: 40px;
    margin: 40px auto;
    justify-content: space-between;
  }
  
  .service ul li .service_text{
    width: 50%;
  }
  
  .service ul li .service_text h3{
    font-size: 33px;
  }
  
  .service ul li .service_text h3 span{
    font-size: 13px;
  }
  
  .service ul li .service_text .text{
    line-height: 40px;
    font-size: 15px;
  }
  
  .service ul li .img{
    width: 45%;
    aspect-ratio: 1 / 1;
  }
  
  /* =========================
     company
  ========================= */
  .company{
    width: 90%;
    margin: 100px auto;
  }
  
  .company h2{
    font-size: 33px;
    line-height: 25px;
  }
  
  .company h2 span{
    font-size: 15px;
  }
  
  .company .company-list .company-row{
    display: flex;
  }
  
  /* dt / dd 共通：罫線・余白・高さ揃え */
  .company .company-list .company-row dt,
  .company .company-list .company-row dd{
    margin: 0;
    padding: 18px 24px;
    box-sizing: border-box;
    border: 2px solid #fff;
    display: flex;
    align-items: center;
    min-height: 64px;
  }
  
  .company .company-list .company-row dt{
    flex: 0 0 30%;
    justify-content: center;
    text-align: center;
    background-color: #004B67;
    color: #F5F5F5;
    font-weight: 600;
  }
  
  .company .company-list .company-row dd{
    flex: 1;
    justify-content: flex-start;
    background-color: #EFEEEE;
    color: #333;
  }
  
  .company .company-list address{
    font-style: normal;
  }
  
  /* =========================
     contact
  ========================= */
  .contact{
    background-color: #004B67;
    color: #fff;
    text-align: center;
    padding: 50px 0;
  }
  
  .contact h2{
    font-size: 33px;
    line-height: 25px;
  }
  
  .contact h2 span{
    font-size: 15px;
  }
  
  .contact h3{
    font-weight: inherit;
    font-size: 15px;
    line-height: 30px;
  }
  
  .contact ul{
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
  }
  
  .contact ul li{
    background-color: #fff;
    color: #004B67;
    padding: 20px 50px;
    margin: 0 30px;
  }
  
  .contact ul li a{
    color: inherit;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  
  /* =========================
     footer
  ========================= */
  footer ul{
    list-style: none;
    margin: 0;
    padding: 10px 0;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #004B67;
  }
  
  footer ul li{
    padding: 0 20px;
  }
  
  footer small{
    padding: 10px;
  }
  













  /* 画像がはみ出すのを防ぐ（保険） */
img { max-width: 100%; height: auto; display: block; }

/* -------------------------
   Hero（main + message）
   PCは見栄え維持 / SPは自然に並べる
------------------------- */
main{
  /* 100vh固定はSPでアドレスバー分で崩れやすいのでsvhを併用 */
  height: 100svh;
  min-height: 520px;
}

/* message：PCは重ね気味、SPは通常フローに */
.message{
  /* absoluteだと親が無くてズレやすいので、PCも相対配置に寄せる */
  position: relative;
  bottom: auto;
  right: auto;
  left: auto;

  /* main下に食い込ませる見た目 */
  margin: -140px auto 0;
  width: min(720px, 90%);
  padding: 22px 16px;
  /* border-radius: 12px; */
  box-shadow: 0 10px 28px rgba(0,0,0,.08);
}

.message h2{
  font-size: clamp(20px, 5vw, 33px);
  line-height: 1.25;
  margin: 0 0 10px;
}

.message p{
  line-height: 1.8;
  margin: 0;
}

/* -------------------------
   about
------------------------- */
.about{
  margin: 160px 5% 0;
  padding: 0 0 40px;
}

.about h2{
  font-size: clamp(20px, 5vw, 33px);
  line-height: 1.25;
  margin: 18px 0 10px;
}

.about p{
  line-height: 1.9;
  padding: 0 14px;
}

/* 画像はSPで2x2に */
@media (max-width: 767px){
  .about ul{
    flex-wrap: wrap;
  }
  .about ul li{
    width: 50%;
  }


  .about{
    margin: 100px 2.5% 0;
    padding: 0 0 20px;
  }
  
  .about h2{
    font-size: clamp(20px, 4vw, 30px);
    line-height: 1.25;
    margin: 18px 0 10px;
    padding: 20px 2%;
  }
  
  .about p{
    line-height: 1.9;
    padding: 0 14px;
  }




}

/* -------------------------
   service
------------------------- */
.service{
  width: min(980px, 90%);
  margin: 80px auto;
}

.service h2{
  font-size: clamp(22px, 5vw, 33px);
}

.service ul li{
  /* border-radius: 14px; */
  overflow: hidden;
  gap: 24px;
}

.service ul li .service_text h3{
  font-size: clamp(20px, 5vw, 33px);
  line-height: 1.2;
  margin: 0 0 12px;
}

.service ul li .service_text .text{
  line-height: 1.9;
  font-size: 15px;
}

.service ul li .img{
    width: 45%;
    aspect-ratio: 1 / 1;
  }


  .service ul li .img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

/* SP：カードを縦並びに（テキスト→画像、または画像→テキストは好みで） */
@media (max-width: 767px){
  .service{
    width: 95%;
    margin: 60px auto;
  }

  .service ul li{
    flex-direction: column;
    padding: 20px 13px;
    margin: 22px auto;
  }

  .service ul li .service_text{
    width: 100%;
  }

  .service ul li .img{
    width: 100%;
    height: 200px;
  }

  .service ul li .img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

/* -------------------------
   company
------------------------- */
.company{
  width: min(980px, 90%);
  margin: 80px auto;
}

.company h2{
  font-size: clamp(22px, 5vw, 33px);
}

/* SP：会社概要は縦積みにして読みやすく */
@media (max-width: 767px){
  .company{
    width: 92%;
    margin: 60px auto;
  }

  .company .company-list .company-row{
    flex-direction: column;
  }

  .company .company-list .company-row dt,
  .company .company-list .company-row dd{
    min-height: auto;
    padding: 14px 16px;
    border-width: 2px;
  }

  .company .company-list .company-row dt{
    flex: none;
    width: 100%;
    justify-content: flex-start;
    text-align: left;
  }
}

/* -------------------------
   contact
------------------------- */
@media (max-width: 767px){
  .contact{
    padding: 44px 0;
  }

  .contact ul{
    flex-direction: column;
    gap: 12px;
    align-items: center;
  }

  .contact ul li{
    margin: 0;
    width: min(360px, 88%);
    padding: 16px 18px;
    border-radius: 12px;
  }

  .contact ul li a{
    justify-content: center;
  }
}

/* -------------------------
   footer
------------------------- */
@media (max-width: 767px){
  footer ul{
    flex-direction: column;
    gap: 10px;
    padding: 18px 0;
  }

  footer ul li{
    padding: 0;
    text-align: center;
  }

  footer small{
    display: block;
    text-align: center;
  }
}