.mv-background {
  background: url("../img/about_v5_mv.png");
  width: 100%;
  height: 470px;
  background-position: bottom;
  background-size: cover;
}
/* 共通タイトルデザイン */
.section-title {
  display: flex;
  align-items: baseline;
  padding-left: 25px;
  max-width: 1000px;
  margin: 0 auto;
}
/* GREETING */
.greeting {
  padding: 100px 25px 0px 0;
  background: var(--white-color);
}
.greeting h2, .outline h2, .history h2 {
  color: var(--main-color); /* オレンジ色 */
}
.greeting h3, .outline h3, .history h3 {
  padding-left: 30px;
}
.greeting h4 {
  font-size: 2.4rem;
}
.greeting-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 50px;
}
.greeting-content img {
  max-width: 760px;
  width: 100%;
}
.greeting-text {
  width: 70%;
  padding-left:40px;
  z-index: 1000;
}
.signature, .name {
  font-family: "源ノ明朝";
  font-weight: bold;
}
.name {
  font-size: 2.2rem;
  padding-left: 20px;
}
.name-flex {
  display: flex;
  padding-top: 20px;
}
.hirabayashi-line img{
      max-height: 1000px;
    width: 100%;
  margin: 0 auto;
  max-width: 2400px;
  
}

@media screen and (max-width: 980px) {

  /* GREETING */
.greeting {
  padding: 80px 0px 0px 0px;
}

.greeting h3, .outline h3, .history h3 {
  padding-left: 30px;
}

.greeting-content {
  display: block;

 
}
.greeting-content img {
padding-bottom: 40px;
  max-width: 100%;
          max-height: 500px;
        object-fit: cover;
}
.greeting-text {
  width: 100%;
  padding:0 25px;
} 
}
@media screen and (max-width: 680px) {
  .greeting h4 {
  font-size: 2rem;
}
}



 /* OUTLINE（会社概要） */ 
 .outline {  
 padding: 0px 25px 25px 25px;
max-width: 1000px;
margin: 0 auto;}

.outline-title {
  display: flex;
  align-items: baseline;
}
.outline-table {
  width: 100%;
  border-collapse: collapse;
}
.outline-table th, .outline-table td {
  padding: 10px;
}
.outline-table th {
  color: white;
  text-align: left;
}

/* タイトルのデザイン */
.outline-title {
  text-align: center;
  margin-bottom: 25px;
}
/* テーブルデザイン */
.outline-table, .history-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 auto;
}
/* 行の境界線 */
.outline-table tr {}
/* ✅ 偶数行の背景色を `<th>` と `<td>` に統一 */
.outline-table tr:nth-child(even) th, .outline-table tr:nth-child(even) td, .history-table tr:nth-child(even) th, .history-table tr:nth-child(even) td {
  background: var(--table-D, var(--light-gray-color));
  font-size: 1.6rem;
}
/* ✅ 奇数行の背景色も `<th>` と `<td>` に統一 */
.outline-table tr:nth-child(odd) th, .outline-table tr:nth-child(odd) td, .history-table tr:nth-child(odd) th, .history-table tr:nth-child(odd) td {
  background: var(--table, var(--white-gray-color));
  font-size: 1.6rem;
}





.history-line img{
  width: 100%;
  max-height: 450px;
  margin:  0 auto;
}



.history {
  max-width: 1000px;
  padding: 25px 25px 150px 25px;
  margin: 0 auto;
}

/* ヘッダー部分（左列） */
.outline-table th, .history-table th {
  color: var(--gray-color);
  font-weight: bold;
  text-align: left;
  padding: 20px 40px;
  width: 25%;
}
.ios {
  display: flex;
  align-items: center;
}
/* データセル（右列） */
.outline-table td, .history-table td {
  color: var(--gray-color);
  padding: 12px 40px;
  width: 75%;
}sidebar {
    width: 376px;
    border: 1px solid transparent;
    padding: 19px;
    border-radius: var(--cocoon-basic-border-radius);
    background-color: var(--cocoon-white-color);
    display: none;
}


      @media screen and (max-width: 800px)
      {
        .outline-table th, .history-table th {
        padding: 10px 0px 10px 20px;
        width: 35%;
}
        .outline-table td, .history-table td {
    padding: 10px 10px;
    width: 65%;
        
        
        }
}

@media screen and (max-width: 480px){
  .ios {
  display: block;

}
}