@charset "UTF-8";

html {
  scroll-behavior: smooth;
}

body{
  font-family: "ヒラギノ角ゴ ProN W3", Hiragino Sans, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, "メイリオ", Meiryo, sans-serif;
}

section{
  margin-bottom: 100px;
}

img{
  width: 100%;
}


.header {
    display: flex;
    align-items: center;
    padding: 10px 20px; 
    min-height: 75px;
    justify-content: space-between;
   /* position: sticky;*/
    top: 0;
/*     background-color: white; */
    
}

.header-logo{
    margin: 0 20px;
    padding: 10px 0;
}

.header-logo_link {
    font-size: 32px;
    text-decoration:none;
    color: black;
}

.header-nav {
    margin: 0 20px;
    
}



.header-nav_list {
    display: flex;
    list-style:none  
    
    
}



.header-nav_item {
   text-decoration:none;
     text-align: center;
   vertical-align: bottom;
   justify-content: center;
   padding: 0 35px;
}


.header-nav_link {
    text-decoration:none;
    font-size: 16px;
    font-weight: bold;
    color: black;
    text-decoration: none;
}

.header-nav_link:hover{
    text-decoration: underline;
}

.header-nav_list-bottom {
    text-align: center;
    text-decoration:none;
    margin: 0 0 0 20px;
    padding: 20px;

}

.header-nav_list-bottom_link  {
    text-decoration:none;
    font-size: 16px;
    font-weight: bold;
    color: white;
    background-color: black;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    padding: 10px 30px;
    display: inline-block;
    text-decoration:none;
    border-radius:10px;
}

.header-nav_list-bottom_link:hover{
    opacity: 0.8;
}

.top_kv {
    height: 85vh;
    background: 
        url(../img/header1.png) center top / cover;
  }
  
  .top_kv-inner {
    position: relative;
    height: 100%;
  }
  
  .top_kv_box {
    width: 100%;
    position: absolute;
    top: 58%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
  }
  
  .top_kv_copy {
    font-size: 55px;
    font-weight: bold;
    color: var(--white-color);
    text-shadow: 2px 2px 2px rgba(170, 170, 170, 0.16);
    margin: 0;
  }
  
  .top_kv_sub-copy {
    margin-top: 15px;
    font-weight: bold;
    color: var(--white-color);
    font-size: 28px;
  }
  
  
  .top_kv-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .top_kv-scroll_txt {
    font-size: 12px;
    font-weight: bold;
    color: var(--white-color);
    text-align: center;
  }
  
  .top_kv-scroll_arrow {
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    margin: 8px auto 0;
    border: 1px solid var(--white-color);
    color: var(--white-color);
  }

  .youtube-box{
    text-align: center;
    margin: auto;
    justify-content: center;
    vertical-align: baseline;
  }
  
 /* 全体の余白をリセット */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}

/* 全体の余白をリセット */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
}

.section-items {
  display: flex;
  flex-direction: column;
  gap: 0; /* アイテム間の隙間をなくす */
}

.item-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 50vh; /* セクションの高さを画面の高さに合わせる */
  margin: 0; /* 各アイテム間の隙間をなくす */
}

.item-item:nth-child(2){
  flex-direction: row-reverse;
}

.item-content {
  width: 50%;
  padding: 0 2% 0 4%;
  box-sizing: border-box;
}

.item-ttl {
  font-size: 32px;
  font-weight: bold;
}

.item-txt {
  font-size: 18px;
  line-height: 1.6;
}

.item-img {
  width: 50%; /* 画像部分を画面の半分 */
  height: 100%; /* 高さを親要素に合わせる */
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0; /* 余白を削除 */
}

.item-img img {
  width: 100%; /* 画像の幅を親要素に合わせる */
  height: 100%; /* 画像の高さも100% */
  object-fit: cover; /* 画像がコンテナにぴったり収まるように */
}



.bottom-list {
  margin: 75px auto 25px;
  justify-content: center;
  text-align: center;
}

.bottom-list_bottom {
  text-decoration:none;
  font-size: 22px;
  font-weight: bold;
  color: white;
  background-color: black;
  font-weight: bold;
  text-align: center;
  padding: 20px;
  padding: 10px 30px;
  display: inline-block;
  text-decoration:none;
  border-radius:10px;
}

.bottom-list_bottom:hover{
  opacity: 0.8;
}


.picture-section {
  overflow: hidden;
  display: flex;
  text-align: center;
  
  justify-content: center;
  gap: 50px;
}

.picture img {
  width: 565px;
  height: 565px;
}

.picture-ttl {
  display: flex;
  padding-top: 30px;
  justify-content: center;
  text-align: center;
  
 
}

.picture-ttl1 {
  
  display: block;
  transform: translateX(-480px)  
}

.picture-ttl2 {
  transform: translateX(50px);
  display: block;
}

.picture-bottom {
  display: flex;
  justify-content: center;
  padding: 30px;
}

.picture-bottom_link1 {
  text-decoration:none;
    font-size: 24px;
    font-weight: bold;
    color: white;
    background-color: black;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    padding: 10px 30px;
    display: inline-block;
    text-decoration:none;
    border-radius:10px;
    transform: translateX(-430px);
}

.picture-bottom_link1:hover{
  opacity: 0.8;
}

.picture-bottom_link2 {
  text-decoration:none;
    font-size: 24px;
    font-weight: bold;
    color: white;
    background-color: black;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    padding: 10px 30px;
    display: inline-block;
    text-decoration:none;
    border-radius:10px;
    transform: translateX(30px);
}

.picture-bottom_link2:hover{
  opacity: 0.8;
}

.top-service {
  text-align: center;
  padding: 60px 120px;
  margin: 0 190px;
  
}

.top-ttl {
  text-align: center;
  font-size: 30px;
}

.top-ttl2 {
  font-size: 26px;
}

.top-ttl3 {
  text-align: left;
  margin-left: 300px;
  padding: 30px;
  font-size: 20px;
  
}

.top-picture {
  justify-content: center;
  text-align: center;
  width: 100%;
}

.contact-link{
  text-align: center;
  padding: 60px;
}

.contact-ttl {
  font-size: 26px;
  font-weight: bold;
}

.contact-ttl1 {
  font-size: 22px;
  font-weight: bold;
}

.contact-bottom {
  text-align: center;
}

.contact-bottom-link {
  text-decoration:none;
    font-size: 20px;
    font-weight: bold;
    color: white;
    background-color: black;
    font-weight: bold;
    text-align: center;
    padding: 20px;
    padding: 10px 30px;
    display: inline-block;
    text-decoration:none;
    border-radius:10px;
}

.contact-bottom-link:hover{
  opacity: 0.8;
}

.company-link {
  text-align: center;
  justify-content: center;
  margin: auto;
  width: 1500px;
}

.company-ttl {
  font-size: 35px;
  padding: 30px;
}

.body-txt {
  margin-left: 230px;
  width: 1300px;
  height: 200px;
 
}

.body-txt1 {
  margin-left: 230px;
  width: 1300px;
}

.body-txt2 {
  margin-left: 230px;
  width: 1300px;
}

.body-txt3{
  margin-left: 230px;
  width: 1300px;
}

.body-txt4 {
  margin-left: 230px;
  width: 1300px;
}

.body-txt-ttl {
  padding-top: 30px;
}

.body-txt_ttl2 {
  padding-top: 20px;
  font-size: 20px;
  font-weight: bold;
  padding-bottom: 30px;
}

.introduction-ttl {
  justify-content: center;
  text-align: center;
  padding: 60px;
}

.introduction-ttl_txt {
  font-size: 45px;
}

.explain-ttl {
  justify-content: center;
  text-align: center;
}

.explain-ttl_txt {
  justify-content: center;
  margin:  auto;
  padding: 30px;
  font-size: 20px;
  font-weight: bold;
  margin-left: 680px;
  
}


.setcion_title {
  text-align: center;
  font-size: 35px;
  margin: 50px;
}

.company_table {
  width: 80%;
  margin: 0 auto;
  border-collapse:collapse
}

.table_line th{
  border-bottom: 1px solid #000;
  font-size: 25px;
  padding: 18px 0;
}

.table_line td{
  border-bottom: 1px solid #000;
  font-size: 18px;
}

footer {
  background-color: #000;
}
.footer_copyright {
  margin: 0px auto;
  padding: 50px;
  text-align: center;
  font-size: 18px;
  color: #fff;
}

.mt-20{
  margin-top: 20px;
}

.concept_detail{
  text-align: center;
}

.concept_detail h2 {
  font-size: 23px;
  margin: 0;
}

.concept_detail p {
  font-size: 18px;
  letter-spacing: 1px;
}

.company_box{
  width: 70%;
  margin: 0 auto;
}


.pc_disp{
  display: inherit;
}
.sp_disp{
  display: none;
}

@media (max-width: 600px) {
  .pc_disp{
    display: none;
  }
  .sp_disp{
    display: inherit;
  }
}



@media (max-width: 600px) {
  header{
    padding: 0!important;
  }
  .header-logo_link {
    font-size: 24px;
  }
  .top_kv {
    height: 90vh;
  }

  .item-item {
    display: block;
    height: auto;
  }

  .item-content {
    width: 100%;
    margin-bottom: 75px;
  }
  .item-img {
    width: 100%;
    height: auto;
  }

  .item-ttl {
    font-size: 27px;
    text-align: center;
  }

  .item-txt {
    font-size: 15px;
  }

  .footer_copyright {
    padding: 25px 15px;
  }
  .footer_copyright {
    font-size: 11px;
  }
  .youtube_samnail {
    width: 380px;
    height: 255px;
  }
  .company_box{
    width: 100%;
  }
}



/* ===== コードブロック全体 ===== */
.code-block {
  position: relative;
  background: #1e1e1e;       /* 背景色（黒系） */
  color: #f5f5f5;            /* 文字色 */
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5em 0;
  font-family: "Fira Code", monospace, Consolas, "Courier New", monospace;
}

/* ===== 上部ヘッダー部分 ===== */
.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #2d2d2d;
  border-bottom: 1px solid #444;
  padding: 6px 12px;
  font-size: 0.85em;
}

/* 言語ラベル */
.code-lang {
  color: #ccc;
  font-weight: bold;
}

/* ===== Copyボタン ===== */
.copy-btn {
  background: #4b9ce2;
  color: #fff;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 0.8em;
}
.copy-btn:hover {
  background: #2f7fc2;
}

/* ===== コード本体 ===== */
pre {
  margin: 0;
  padding: 1em;
  white-space: pre;
}
code {
  display: block;
  color: #dcdcdc;
  line-height: 1.5;
}