website/
├── index.html
├── about.html
├── services.html
├── recruit.html
├── contact.html
├── css/
│   └── styles.css
└── js/
    └── main.js

/* ベーススタイル */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #32a3ff; /* 薄い背景色 */
    color: #333;
}

/* ヘッダーの表示・非表示アニメーション */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.4s ease;
}

header.hide-header {
    transform: translateY(-100%); /* ヘッダーを上に隠す */
}

/* 他のコンテンツがヘッダーの下に隠れないように調整 */
body {
    padding-top: 100px; /* ヘッダーの高さに応じて調整 */
}

/* ヘッダー全体 */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #ffffff;
    color: rgb(0, 0, 0);
    flex-wrap: wrap; /* 2行で完結するようにする */
}

/* 左側のロゴとメニュー */
.header-left {
    display: flex;
    align-items: center;
}

.header-logo img {
    max-width: 9em;
    margin-right: 20px;
}

.header-menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 15px;
}

.header-menu ul li {
    display: inline;
}

.header-menu ul li a {
    color: rgb(0, 0, 0);
    text-decoration: none;
    font-size: 1em;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.header-menu ul li a:hover {
    background-color: #88c0ff;
}

/* 右側のタイトルと連絡先 */
.header-right {
    text-align: right;
    margin-right: 2em;
}

.header-title {
    font-size: 0.8em;
    font-weight: bold;
    margin-bottom: 2em;
    color:#454545;
}

.header-contact {
    font-size: 1.1em;
    margin-top: 5px;
}
.header-contact .phone-number {
    font-size: 1.2em;
    font-weight: bold;
    color: #000000;
}

.header-contact .contact-button {
    background-color: #00af4f;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.header-contact .contact-button:hover {
    background-color: #00ff73;
}



.homemovie video{
    width: 100%;
  }

.hero {
    background-color:#ffffff; /* 薄い青色グラデーション */
    color: rgb(0, 0, 0);
    padding: 80px 20px;
    text-align: center;
    opacity: 0;
    animation: fadeIn 1s forwards; /* フェードインアニメーション */
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
}

.cta-button {
    background-color: #88c0ff;
    color: white;
    font-weight: bold;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
}

.cta-button:hover {
    background-color: #70a9ff;
}

section.content {
    padding: 40px 20px;
    max-width: 1366px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeIn 1s forwards; /* フェードインアニメーション */
}

footer {
    background-color: #004b8d;
    color: white;
    text-align: center;
    padding: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 45%;
    margin: auto;
}

form label {
    font-weight: bold;
}

form input, form textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 100%;
    max-width: 500px;
}

form textarea {
    height: 9em;
}    

form button {
    background-color: #88c0ff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    width: 10em;
    margin: 0 0 0 auto;
}

form button:hover {
    background-color: #70a9ff;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    nav ul li {
        margin-left: 0;
        margin-top: 10px;
    }
    .header-contact {
        flex-direction: column;
        gap: 10px;
        margin-top: 20px;
    }
    .header-contact .phone-number {
        font-size: 1.1em;
    }
    .header-contact .contact-button {
        padding: 8px 16px;
    }
    .header-menu ul {
        flex-direction: column;
        gap: 10px;
    }
    header {
        flex-direction: column;
        text-align: center;
    }
    
    .header-left {
        justify-content: center;
        margin-bottom: 10px;
    }

    .header-right {
        text-align: center;
    }

}
/* フェードインアニメーション */
@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

hr {
    border-width:
    1px 0 0 0; /*線の太さの指定*/
    border-style: solid;
    /*線の種類の指定*/
    border-color:
    #dfdfdf; /*線の色の指定*/
    }

/*ページトップに戻るCSS*/
.pagetop {
    cursor: pointer;
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    transition: .3s;
    color: #00A6C4;
    background: #ebfcff;
    z-index: 2000;
    
  /*   デフォルトは非表示 */
    opacity: 0;
  }
  .pagetop:hover {
      box-shadow: 0 0 10px #00A6C4;
  }

.content{
  opacity: 0; /* 最初は非表示にしておく */
  transition: all 2s; /* 動きを滑らかに */
}
/* フェードイン用のクラス */
.fadeIn {
  opacity: 1;
}

/*ホーム*/
.about-wrapper {
  display: flex; /*横並び*/
}
.about-wrapper .image {
  width: 100%; /*画像サイズ指定*/
  margin: 0;
  padding: 40px 0px 50px 10px;
  overflow: hidden;
  position: relative;
}

.about-wrapper .right {
  margin: 15px 60px 0px 0px;
  padding: 0;
  width: 85%;
}

.about-title{
  text-align: left;
  width: 100%;
}
.about-title h1{
  font-size:2.2em;
  position: relative;
  display: inline-block;
  margin-bottom: 0.5em;
}
.about-title h1:before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -15px;/*線の上下位置*/
  display: inline-block;
  width: 60px;/*線の長さ*/
  height: 5px;/*線の太さ*/
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);/*位置調整*/
  background-color:#004b8d;/*線の色*/
  border-radius: 2px;/*線の丸み*/
}

.about-wrapper .title {
  margin: 0;
  padding: 0;
  font-weight: bold;
  font-size: 18px;
}
.about-wrapper .text {
  margin: 30px 0 0;
  padding: 0;
  text-align: left;
}

.about-button {
  background-color: #000000;
  color: white;
  padding: 10px 40px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
  position:absolute;
  
}

.about-button:hover {
  background-color: #88c0ff;
}

/*会社概要*/
.overview-top{
    width: 100%;
}

.overview-top img{
    margin: auto;
    display: block;
    width: 100%;
}

.overview-title{
    text-align: center;
    width: 100%;
}
.overview-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.overview-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .overview-writer{
    margin-top:3em;
    margin-bottom: 6em;
    width: 100%;

  }

  .overview-writer span{
    font-weight: bold;
    font-size:1.5em;
  }
  .overview-writer p{
    text-align: center;
  }

  .overview-last{
    width: 100%; 
    background-image: url(../phot/ロゴマークカラー背景白-CMYK-300dpi-縦横1000pixel.jpg);
    background-color:rgba(255,255,255,0.8);
    background-blend-mode:lighten;
    background-size:100%;
    padding-top: 6em;
  }
  .overview-last li{
    padding-bottom: 50px;
    list-style: none;
    text-align: center;
  }

.massage{
    background-color: #c9d9e6;
    margin-bottom: 6em;
}

  .massage-title{
    text-align: center;
    width: 100%;
}
.massage-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.massage-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .massage-writer {
    display: flex; /*横並び*/
  }
  .massage-writer .image {
    width: 100%; /*画像サイズ指定*/
    margin: 0;
    padding: 40px 0px 50px 30px;
    overflow: hidden;
    position: relative;
  }
  .massage-writer .right {
    margin: 40px 60px 20px 0px;
    padding: 0;
    width: 85%;
  }
  .massage-writer .title {
    margin: 0;
    padding: 0;
    font-weight: bold;
    font-size: 18px;
  }
  .massage-writer .text {
    margin: 30px 0 0;
    padding: 0;
  }

.origin{
    width: 80%;
    margin:auto;
    margin-bottom: 6em;
}

  .origin-title{
    text-align: center;
    width: 100%;
    margin-top: 6em;
}

  .origin-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.origin-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .origin-writer{
    margin-top:3em;
    margin-bottom: 2em;
    width: 100%;
  }

  .origin-writer img{
    width: 100%;
    margin-bottom: 4.5em;
  }

#hyo{
    margin:auto;
    font-size: 1.5em;
}

  table[border="1"]{
	border-spacing:0;
	margin-top: 5px;
	margin-bottom: 5px;
	border: none;
}

table[border="1"] td,table[border="1"] th{
	padding:5px 8px;
	border: none;
}
.td-left{
    text-align: right;
}
.td-center{
    text-align: center;
}
.td-right{
    text-align: left;
}

.company-title{
    text-align: center;
    width: 100%;
    margin-top: 6em;
}

  .company-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.company-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .company-wrapper{
    max-width: 65%;
    margin:auto;
  }

  .kaisha {
    width: 100%;
    }
    
    .kaisha th,
    .kaisha td {
    border: 1px solid #ccc;
    padding: 20px;
    }
    
    .kaisha th {
    font-weight: bold;
    background-color: #dedede; 
    }
    
    @media screen and (max-width: 767px) {
    .kaisha,
    .kaisha tr,
    .kaisha td,
    .kaisha th {display:block;}
    .kaisha th {width:auto;}
    }

/*サービス*/

.services-top{
    width: 100%;
}

.services-top img{
    margin: auto;
    display: block;
    width: 100%;
}

.services-title{
    text-align: center;
    width: 100%;
}

  .services-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.services-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .services-wrapper ul {
    display: flex;
    justify-content: space-around;
    list-style: none;
    margin-top: 5em;
  }
  .services-wrapper li {
    width: 45%;
  }
  .services-wrapper img {
    width: 100%;
  }
  .services-wrapper h2{
    text-align:center;
  }
  .services-wrapper p{
    text-align: left;
  }

  /*RECRUIT*/
.recruit{
    width: 100%;
    margin:auto;
    margin-bottom: 6em;
    
}

  .recruit-top{
    width: 100%;
}

.recruit-top img{
    margin: auto;
    display: block;
    width: 100%;
}

.recruit-title{
    text-align: center;
    width: 100%;
}
.recruit-title h1{
    font-size:2.2em;
    position: relative;
    display: inline-block;
    margin-bottom: 0.5em;
}
.recruit-title h1:before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;/*線の上下位置*/
    display: inline-block;
    width: 60px;/*線の長さ*/
    height: 5px;/*線の太さ*/
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);/*位置調整*/
    background-color:#004b8d;/*線の色*/
    border-radius: 2px;/*線の丸み*/
  }

  .recruit-wrapper{
    padding:0em 3.2em; 
  }
  .recruit-massage{
    margin-top: 6em;
    font-size: 1.5em;
    font-weight: bold;
  }
  .recruit-wrapper .square{
    font-size: 1.2em;
    font-weight: bold;
    color: #000000;
  }
  .recruit h3{
    font-weight: normal;
  }

  .recruit-last{
    margin-top: 6em;
    padding:0em 3em;
  }
  .recruit-massage{
    margin-bottom: 2em;
  }

  /*アコーディオンcss*/
summary{
    position: relative;
    max-width: 600px;
    padding: 10px 50px 10px 20px;
    cursor: pointer;
    background-color: #353535;
    color: #fff;
    margin: 10px auto;
    }
    summary::-webkit-details-marker{
    position: absolute;
    color: transparent;
    }
    summary:hover, details[open] summary {
    background-color: #2fbdff;
    margin-bottom: 0px;
    }
    summary::after {
    content: '+';
    font-size: 100%;
    position: absolute;
    top: 45%;
    right: 30px;
    transform: translateY(-50%);
    transition: transform.5s;
    }
    details[open] summary::after{
    transform:translateY(-50%) rotate(45deg);
    }
    .answer {
    padding: 20px 20px;
    background-color: #e6e6e6;
    max-width: 630px;
    margin: auto;
    }
    .answer p {
    background: none;
    }
    details[open] .answer{
    animation:fadein .5s ease-in-out;
    }
    @keyframes fadein {
    0% { opacity: 0; }
    100%{ opacity: 1; }
    }
    /*アコーディオンcss*/

    
    .jobinfo-title{
        text-align: center;
        width: 100%;
    }
    .jobinfo-title h1{
        font-size:2.2em;
        position: relative;
        display: inline-block;
        margin-bottom: 0.5em;
    }
    .jobinfo-title h1:before {
        content: '';
        position: absolute;
        left: 50%;
        bottom: -15px;/*線の上下位置*/
        display: inline-block;
        width: 60px;/*線の長さ*/
        height: 5px;/*線の太さ*/
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);/*位置調整*/
        background-color:#004b8d;/*線の色*/
        border-radius: 2px;/*線の丸み*/
      }

      .jobinfo-wrapper{
        max-width: 70%;
        margin: auto;
      }

      .jobinfo-contact{
        background-color: #d6e9ff61;
        text-align: center;
        padding-top: 2em;
        padding-bottom: 2em;
        margin-top: 1em;
        
      }
      .jobinfo-contact p{
        font-size: 1.5em;

      }
      .jobinfo-contact a{
        color: #000000;
      }
      .jobinfo-contact a:hover{
        color: #ff3131;
      }

      .aida{
        text-align: center;
        padding: 1em 0em;
      }
      .chevron-down{
        font-size: 2.5em;
      }

      .jobinfo-entry{
        width: 100%;
        margin: auto;
      }

      .entry-wrapper{
        margin-top: 4em;
      }

      .scroll-box {
        width: 80%;                /* 横幅を指定 */
        height: 200px;               /* 縦幅を指定 */
        border: 1px solid #c4c4c4;      /* わかりやすくボーダーを引く */
        overflow-y: scroll;          /* 縦方向にスクロール可能にする */
        margin: auto;
      }


    .entry-form {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        margin: auto;
        margin-top: 4em;
    }
    
    .entry-form label {
        font-weight: bold;
    }
    
    .entry-form input, .entry-form textarea {
        padding: 10px;
        border: 1px solid #ccc;
        border-radius: 5px;
        width: 100%;
        max-width: 500px;
    }
    
    .entry-form textarea {
        height: 9em;
    }    
    
    .entry-form button {
        background-color: #88c0ff;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        width: 10em;
        margin: 0 0 0 auto;
    }
    
    .entry-form button:hover {
        background-color: #70a9ff;
    }

p,
label {
  font:1rem 'Fira Sans',sans-serif;
}

input {
  margin: 0.4rem;
}

      .entry-form{
        padding-bottom: 3em;
      }

/*CONTACT*/
.contact{
  width: 100%;
  margin:auto;
  margin-bottom: 6em;
  
}

.contact-top{
  width: 100%;
}

.contact-top img{
  margin: auto;
  display: block;
  width: 100%;
}

.contact-title{
  text-align: center;
  width: 100%;
}
.contact-title h1{
  font-size:2.2em;
  position: relative;
  display: inline-block;
  margin-bottom: 0.5em;
}
.contact-title h1:before {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -15px;/*線の上下位置*/
  display: inline-block;
  width: 60px;/*線の長さ*/
  height: 5px;/*線の太さ*/
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);/*位置調整*/
  background-color:#004b8d;/*線の色*/
  border-radius: 2px;/*線の丸み*/
}

.contact-wrapper{
  margin-top: 4em;
}

.contact-form{
  margin-top: 4em;
}

/* ==== 基本スタイルとレイアウトは元のまま（省略）==== */
/* （styles.css の既存コードを前半にそのまま維持） */

/* ======= レスポンシブ追加とハンバーガーメニュー ======= */

/* ハンバーガーアイコン（モバイルのみ表示） */
.hamburger {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 25px;
  flex-direction: column;
  justify-content: space-between;
  margin: 10px auto;
}

.hamburger span {
  display: block;
  height: 3px;
  background: #333;
  border-radius: 2px;
}

/* ナビゲーションのモバイル用制御 */
@media (max-width: 768px) {
  .header-menu ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
    display: none;
    background: #fff;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 999;
  }

  .header-menu ul.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  header {
    flex-direction: column;
    text-align: center;
  }

  .header-left {
    justify-content: center;
    flex-direction: column;
  }

  .header-right {
    text-align: center;
  }

  .about-wrapper {
    flex-direction: column;
    text-align: center;
  }

  .about-wrapper .right {
    margin: 0;
    width: 100%;
    padding: 20px;
  }

  .about-button {
    position: static;
    margin-top: 20px;
  }

  .services-wrapper ul {
    flex-direction: column;
    align-items: center;
    gap: 30px;
    padding: 0;
  }

  .services-wrapper li {
    width: 90%;
  }

  .massage-writer {
    flex-direction: column;
    text-align: center;
  }

  .massage-writer .right {
    margin: 0;
    width: 100%;
    padding: 20px;
  }

  .origin img,
  .overview-top img,
  .recruit-top img,
  .services-top img,
  .contact-top img {
    width: 100%;
    height: auto;
  }
}

/* ======= JavaScriptで開閉制御するためのスタイル ======= */
@media (min-width: 769px) {
  .hamburger {
    display: none !important;
  }
}
.header-logo img {
  width: 160px;
  height: auto;
}

@media (max-width: 768px) {
  .header-logo img {
    width: 120px;
  }
}