html{
  height: -webkit-fill-available;
}
body {
  font-family: 'Noto Serif JP', serif;
  margin: 0;
  padding: 0;
  color: #333;
  letter-spacing: 0.1em;
  padding-top: 80px;
  min-height: 100vh;
  min-height: -webkit-fill-available;
}
h1,h2,h3,h4,p,a{
  font-weight: 400;
  color: #333;
}

.sp{
  display: none;
}

p{
  font-size: 18px;
}
a{
  font-size: 18px;
  text-decoration: none;
}

.dli-chevron-round-right {
  display: inline-block;
  vertical-align: middle;
  color: #283666;
  line-height: 1;
  position: relative;
  width: 1em;
  height: 1em;
  transform: translateX(-25%) rotate(45deg);
  transition: all 0.3s;
}

.dli-chevron-round-right::before, .dli-chevron-round-right::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 0.1em;
}

.dli-chevron-round-right::before {
  top: 0;
  left: 0;
  right: 0;
  height: 0.1em;
}

.dli-chevron-round-right::after {
  top: 0;
  right: 0;
  bottom: 0;
  width: 0.1em;
}


.section_inner_1000{
  width: 1000px;
  margin: 0 auto;
}

.header {
  background-color: #283666;
  height: 80px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 999;
}

.header_logo_wrap{
  display: flex;
  gap: 20px;
  align-items: center;
  color: #fff;
  font-size: 16px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 1000px;
  margin: 0 auto;
  height: 100%;
}

.header_nav_active{
  border-bottom: solid 1px #fff;
  padding-bottom: 5px;
}

.logo {
  height: 40px;
}

.nav a {
  color: #fff;
  margin-left: 45px;
  text-decoration: none;
  font-size: 16px;
}

.hero {
  position: relative;
  text-align: center;
  color: white;
  background: linear-gradient(to bottom, rgba(54, 54, 54, .3), rgba(54, 54, 54, .3)), url(../img/mv.jpg);
  height: calc(100vh - 80px);
  background-size: cover;
  background-position: bottom;
}

.hero-image {
  width: 100%;
  height: auto;
}

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.hero-text h1{
  font-size: 42px;
  font-weight: 400;
  color: #fff;
  letter-spacing: 0.2em;
  line-height: 63px;
}


h2 {
  font-size: 42px;
  margin-bottom: 80px;
}

.ttl_en{
  font-family: "Bodoni Moda", serif;
  font-size: 24px;
  display: block;
}

.news ul {
  list-style-type: none;
  padding: 0;
}

.news li {
  margin-bottom: 30px;
  padding-bottom: 30px;
  display: flex;
  border-bottom: solid 1px #ECEDF2;
  gap: 30px;
  font-size: 18px;
  cursor: pointer;
}

.news_link_wrap{
  text-align: right;
}

.news_link{
  display: flex;
  gap: 10px;
  align-items: center;
  width: 140px;
  margin-left: auto;
  position: relative;
}

.news_link::after{
  content: "";
  width: 100%;
  display: block;
  height: 1px;
  background-color: #333;
  position: absolute;
  bottom: -5px;
  opacity: 0;
  transition: all 0.3s;
}

.news_link:hover::after{
  opacity: 1;
}

.more-link .dli-chevron-round-right{
  width: 10px;
  height: 10px;
  position: inherit;
  position: absolute;
  right: 20px;
}


.date {
  display: block;
  font-weight: bold;
  color: #7E7E7E;
  width: 200px;
  text-align: left;
  font-size: 16px;
}

.text{
  text-align: left;
  width: 100%;
}

.service {
  text-align: center;
  padding: 70px 0 90px;
  background-color: #f8f8f8;
}

.service-items {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  flex-direction: column;
  margin: 0 auto;
  width: 90%;
}

.service-items h3{
  font-size: 32px;
  margin-bottom: 20px;
  position: relative;
  margin-left: 15px;
}

.service-items h3::before{
  content: "";
  width: 3px;
  height: 33px;
  display: block;
  background-color: #283666;
  position: absolute;
  top: 9px;
  left: -15px;
}

.service-item {
  height: 100%;
  text-align: left;
}

.service-items-top .service-item{
  width: calc(1160px / 2);
}
.service-items-bottom .service-item{
  width: calc(1120px / 3);
}

.service-item img {
  width: 100%;
  height: auto;
}

.service-items-top{
  display: flex;
  gap: 40px;
  margin-bottom: 70px;
  justify-content: center;
}

.service-items-bottom{
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-bottom: 70px;

}

.service-items-top img{
  width: 580px;
  height: 100%;
  display: block;
  margin-bottom: 34px;
}

.service-items-bottom img{
  height: 100%;
  display: block;
  margin-bottom: 34px;
}

.more-link {
  display: flex;
  width: 450px;
  height: 80px;
  margin: 0 auto;
  font-size: 22px;
  align-items: center;
  justify-content: center;
  border: 1px solid #283666;
  text-decoration: none;
  color: #283666;
  position: relative;
  transition: all 0.3s;
}

.more-link:hover{
  color: #fff;
  background-color: #283666;
}

.more-link:hover .dli-chevron-round-right{
  color: #fff;
}

.more-link img{
  position: absolute;
  right: 30px;
  width: 8px;
}

.achievements_inner{
  width: 1200px;
  margin: 0 auto;
}

.achievements {
  text-align: center;
  padding: 90px 0 120px;
}

.achievements-items {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 0 auto;
  gap: 20px;
}

.achievements-item {
  position: relative;
  width: calc(1160px / 3);
  overflow: hidden;
}

.achievements-item:hover img{
  transform:scale(1.1,1.1);
}



.achievements-item img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: all 0.3s;
}

.achievements-item h3{
  font-size: 20px;
  color: #fff;
  font-weight: 700;
  position: absolute;
  bottom: 15px;
  right: 15px;
}

.footer {
  background-color: #283666;
  color: #fff;
  text-align: center;
  padding: 50px 0;
}

.footer-logo {
  height: 50px;
}

.footer-nav a {
  color: #fff;
  margin-left: 50px;
  text-decoration: none;
}


.footer_inner{
  width: 1000px;
  margin: 0 auto;
}

.footer_wrap{
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer_logo_wrap{
  display: flex;
  gap: 20px;
  align-items: center;
  color: #fff;
  font-size: 16px;
}

.footer_cap{
  color: #fff;
  font-size: 12px;
  text-align: right;
}

/* 事業一覧 */
.service_m_ttl{
  padding-top: 80px;
  padding-bottom: 250px;
  text-align: center;
  font-size: 42px;
}

.service_m_1{
  background-color: #ECEDF2;
  padding: 150px 0 80px;
  position: relative;
  margin-bottom: 250px;
}

.service_m_1_img{
  position: absolute;
  right: 120px;
  top: -150px;
}

.service_m_1_item{
  width: 50%;
  padding: 50px 80px;
}

.service_m_1_item:nth-of-type(1){
  border-bottom: solid 1px #969696;
  border-right: solid 1px #969696;
  padding-top: 0;
}
.service_m_1_item:nth-of-type(2){
  padding-top: 0;
  border-bottom: solid 1px #969696;
}
.service_m_1_item:nth-of-type(3){
  padding-bottom: 0;
  border-right: solid 1px #969696;
}
.service_m_1_item:nth-of-type(4){
  padding-bottom: 0;
}

.service_m_1_item h3{
  font-size: 24px;
  text-align: center;
  margin-bottom: 24px;
}

.service_m_1_wrap{
  display: flex;
  flex-flow: wrap;
}

.service_m_1_ttl{
  margin-bottom: 140px;
}

.m_2 .service_m_1_item:nth-of-type(1){
  border-bottom: none;
  padding-bottom: 0;
}

.m_2 .service_m_1_item:nth-of-type(2){
  border-bottom: none;
  padding-bottom: 0;
}

.m_2 .service_m_1_ttl,
.m_4 .service_m_1_ttl{
  text-align: right;
}

.m_2 .service_m_1_img,
.m_4 .service_m_1_img{
  right: inherit;
  left: 120px;
  top: -150px;
}

.m_5 .service_m_1_item{
  width: 50%;
}


.m_5 .service_m_1_item:nth-of-type(1){
  border-bottom: none;
  padding: 0 50px;
}

.m_5 .service_m_1_item:nth-of-type(2){
  border-bottom: none;
  padding: 0 50px;
}
.m_5 .service_m_1_item:nth-of-type(3){
  border-bottom: none;
  padding: 0 50px;
}

.service_m_1.m_5{
  margin-bottom: 120px;
}

/* 実績 */
.achievement_wrap{
  background-color: #ECEDF2;
}

.achievement_inner{
  width: 1100px;
  margin: 0 auto;
}

.achievement_tab{
  padding: 100px 0 80px;
}

.achievement_item{
  font-size: 20px;
  cursor: pointer;
}

.achievement_tab{
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
}

.achievement_list_item_content_txt_wrap{
  font-size: 16px;
  display: flex;

}

.achievement_list{
  display: flex;
  flex-flow: wrap;
  column-gap: 15px;
  row-gap: 50px;
  padding-bottom: 120px;
}

.achievement_list_item{
  border-bottom: solid 1px #333333;
  display: block;
  width: calc(1070px / 3);
}

.achievement_list_item_img{
  transition: all 0.3s;
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.achievement_list_item:hover .achievement_list_item_img{
  transform: scale(1.1, 1.1);
}

.achievement_list_item_img_wrap{
  width: calc(1070px / 3);
  overflow: hidden;
  object-fit: cover;
}

.achievement_list_item_content{
  margin: 15px 0;
}

.achievement_list_item_content_txt_wrap_date,
.achievement_list_item_content_txt_wrap_state,
.achievement_list_item_content_txt_wrap_category{
  display: block;
}

.achievement_list_item_content_txt_wrap_date{
  margin-right: 8px;
}

.achievement_list_item_content_txt_wrap_state{
  margin-left: 8px;
}
.achievement_list_item_content_txt_wrap_category{
  margin-left: 20px;
}

.achievement_ttl{
  padding-top: 80px;
  padding-bottom: 60px;
  text-align: center;
  font-size: 42px;
}

.js-tag_active{
  border-bottom: solid 1px #333;
}

/* 実績詳細 */

.achievement_detail_top{
  width: 1200px;
  margin: 0 auto;
}

.achievement_detail_top{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 90px;
  padding-top: 120px;
  padding-bottom: 100px;
}

.achievement_detail_top_img{
  display: block;
  width: 600px;
  height: 420px;
  object-fit: cover;
}

.achievement_detail_top_content_box{
  display: flex;
  margin-bottom: 18px;
}

.achievement_detail_top_content_box p{
  display: flex;
}

.achievement_detail_top_content_box p span:nth-of-type(1){
  width: 150px;
}

.achievement_detail_top_content_ttl.achievement_detail_top_content_box p span:nth-of-type(1){
  width: auto;
}

.achievement_detail_top_content_ttl span:nth-of-type(1){
  margin-right: 8px;
}
.achievement_detail_top_content_ttl span:nth-of-type(2){
  margin-left: 8px;
}

.achievement_detail_bottom{
  border-top: solid 1px #333333;
  display: flex;
}

.achievement_detail_bottom_box{
  width: 50%;
  padding-top: 40px;
}

.achievement_detail_bottom_box p{
  margin-bottom: 23px;
  font-size: 30px;
  font-family: "Bodoni Moda", serif;
}

.achievement_detail_bottom_box_left p{
  
}
.achievement_detail_bottom_box_right p{
  color: #ECEDF2;
}

.achievement_detail_bottom_img{
  display: block;
  width: 500px;
  height: 350px;
  object-fit: cover;
}

.achievement_detail_bottom_inner{
  width: 1200px;
  margin: 0 auto;
  display: flex;
}

.achievement_detail_bottom_box_left{
  width: 500px;
  margin-left: auto;
  margin-right: 90px;
}

.achievement_detail_bottom_box_right{
  width: 500px;
  margin-right: auto;
  margin-left: 90px;
  padding-bottom: 90px;
}

.achievement_detail_bottom_right{
  background-color: #969696;
}

/* お問い合わせ */
.contact{
  background-color: #ECEDF2;
  height: calc(100vh - 268px);
}

.contact_ttl{
  padding-top: 80px;
  padding-bottom: 95px;
  text-align: center;
  font-size: 42px;
}

.contact_inner{
  width: 900px;
  margin: 0 auto;
  padding-bottom: 80px;
  position: relative;
}

.form_dl{
  display: flex;
  margin-bottom: 30px;
}

.label_item{
  width: 250px;
  display: block;
  height: 60px;
}
dd{
  width: 100%;
  display: block;

}

input{
  width: 100%;
  display: block;
  height: 100%;
  padding: 15px;
  font-size: 16px;
  border: none;
}

textarea{
  width: 100%;
  display: block;
  height: 100%;
  padding: 15px;
  font-size: 16px;
  border: none;
}

.form-submit{
  display: flex;
  padding-top: 30px;
}

.form-submit_null{
  width: 250px;
}

.form-btns{
  width: 450px;
  height: 80px;
  border: solid 1px #283666;
  position: relative;
}

.form-btns input{
  color: #283666;
  font-size: 22px;
  cursor: pointer;
  transition: all 0.3s;
  background-color: #ECEDF2;
}

.form-btns .dli-chevron-round-right{
  position: absolute;
  top: 45%;
  right: 20px;
  height: 10px;
  width: 10px;
}

.form-btns:hover input{
  background-color: #283666;
  color: #fff;
}

.form-btns:hover .dli-chevron-round-right{
  color: #fff;
}



.contact_demo{
  font-family: "Bodoni Moda", serif;
  font-size: 180px;
  font-weight: 700;
  color: #283666;
  opacity: 0.2;
  transform: rotate(90deg);
  position: absolute;
  left: -55%;
  top: 14%;
}

/* 会社概要 */

.company{
  background-image: url(../img/company_bg.png);
  background-size: cover;
}

.company_ttl{
  padding-top: 80px;
  padding-bottom: 95px;
  text-align: center;
  font-size: 42px;
}

.company_bg{
  background-color: rgba(255, 255, 255, 0.562);
}

.company_inner{
  width: 600px;
  margin: 0 auto;
}
.company_table{
  width: 100%;
  font-size: 18px;
  padding-bottom: 80px;
}

.company_table tr{
  display: flex;
  margin-bottom: 30px;
}

.company_table td:nth-of-type(1){
  width: 35%;
  display: block;
}
.company_table td:nth-of-type(2){
  width: 65%;
  display: block;
}

.company iframe{
  margin: 0 auto;
  display: block;
  padding-bottom: 100px;
}

.remarks_wrap{
  margin-bottom: 10px;
}

.remarks_1{
  width: 60%;
  display: inline-block;
}

.remarks_2{
  width: 40%;
  display: inline-block;
}

/* お知らせ */
.news_inner{
  width: 1000px;
  margin: 0 auto;
}

.news_ttl{
  padding-top: 80px;
  padding-bottom: 95px;
  text-align: center;
  font-size: 42px;
}

.news_sec .news li{
  border-bottom: solid 1px #ECEDF2;
}

.news {
  text-align: center;
  padding: 100px 0 90px;
  min-height: calc(100vh - 268px);
}
.news_detail{
  opacity: 0;
  transition: opacity 0.5s ease;
}

.news_detail #contents a{
  text-decoration: underline;
  color: #0000ff ;
}

.news_detail .page_inner{
  text-align: left;
}

.news_detail #date{
  margin-bottom: 15px;
}

.news_detail #title{
  font-weight: 700;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: solid 1px #283666;
}

/* デフォルトスタイル */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  z-index: 999;
}

.hamburger .bar {
  width: 25px;
  height: 1px;
  background-color: #fff;
  margin: 4px 0;
  transition: 0.4s;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.contact_txt_wrap{
  display: flex;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: solid 1px rgba(40, 54, 102, 0.2);
}

.contact_txt{
  width: 25%;
}
.contact_txt_link{
    width: 60%;
}

/* レスポンシブスタイル */
@media screen and (max-width: 768px) {
  body{
    padding-top: 0;
    overflow-x: hidden !important;
  }
  .nav {
    position: relative;
  }

  .hamburger {
    display: flex;
  }

  .nav-links {
    display: flex;
    width: 100vw;
    height: 100vh;
    opacity: 0;
    background-color: #283666;
    position: fixed;
    top: 0px;
    left: 0;
    transition: all 0.3s;
    pointer-events: none;
  }

  .nav-links a {
    margin: 0;
    color: #fff;
    text-decoration: none;
  }

  .nav-links.active {
    display: flex;
    opacity: 1;
    pointer-events: inherit;
  }

  .nav-links_wrap{
    margin-top: 110px;
    flex-direction: column;
    display: flex;
    text-align: center;
    align-items: center;
    width: 100%;
    gap: 30px;
  }

  /* Toggle class for hamburger menu */
  .change .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .change .bar:nth-child(2) {
    opacity: 0;
  }

  .change .bar:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -7px);
  }
}

/* レスポンシブ */
@media screen and (max-width: 768px) {
  .sp{
    display: block;
  }
  .pc{
    display: none;
  }
  p{
    font-size: 16px;
  }
  a{
    font-size: 16px;
    text-decoration: none;
  }

  h2{
    font-size: 28px;
    margin-bottom: 40px;
  }

  .ttl_en{
    font-size: 16px;
  }
  
  .section_inner_1000,
  .header-inner,
  .footer_inner,
  .achievement_inner,
  .achievement_detail_top,
  .achievement_detail_bottom_inner,
  .news_inner,
  .contact_inner,
  .company_inner,
  .achievements_inner {
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
  }
  
  .news,
  .service,
  .achievements{
    padding: 60px 0 60px;
  }

  .service-items-top img{
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
  }

  .links_wrap_bottom{
    width: 100%;
    margin-top: 70px;
  }

  .links_wrap_bottom img{
    display: block;
    margin: 0 auto;
    width: 80px;
  }

  .achievements-item h3{
    font-size: 18px;
  }

  .links_wrap_bottom p{
    color: #fff;
    margin-top: 20px;
  }

  .header{
    height: 50px;
    width: 50px;
    top: 10px;
    right: 10px;
    padding: 0;
    border-radius: 10px;
    z-index: 999;
  }
  .header-inner{
    align-items: center;
    justify-content: center;
    padding: 0;
  }

  .header_logo_wrap {
    gap: 10px;
    align-items: center;
  }

  .logo{
    width: 50px;
  }

  .hero {
    height: 100vh;
    width: 100vw;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .hero_logo{
    display: block;
    position: absolute;
    width: 60px;
    top: 20px;
    left: 20px;
  }

  .hero-text{
    left: 40%;
  }


  .hero-text h1 {
    font-size: 24px;
    line-height: 40px;
    -ms-writing-mode: tb-rl;
    writing-mode: vertical-rl;
  }

  .sp-mg{
    display: block;
    margin-top: 120px;
  }

  .news li {
    flex-direction: column;
    gap: 5px;
    text-align: left;
    font-size: 16px;
    padding-bottom: 15px;
    margin-bottom: 15px;
  }
  .news li .date{
    font-size: 14px;
  }

  .news_link{
    width: 125px;
  }


  .service-items-top,
  .service-items-bottom {
    flex-direction: column;
    gap: 30px;
    width: 100%;
  }

  .service-items-bottom{
    margin-bottom: 50px;
  }

  .service-items-bottom img{
    margin-bottom: 15px;
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  .achievements-items {
    flex-direction: column;
    gap: 15px;
  }

  .service-items-top{
    margin-bottom: 30px;
  }

  .achievements-item {
    width: 100%;
  }

  .achievement_tab {
    gap: 20px;
    margin: 0;
    padding: 0 0 30px 0;
    justify-content: space-between;
  }

  .sp-achievement_ttl{
    padding-top: 90px;
    padding-bottom: 30px;
    font-size: 24px;
  }

  .achievement_list {
    flex-direction: column;
    gap: 15px;
  }

  .achievement_list_item {
    width: 100%;
  }

  .achievement_detail_top {
    flex-direction: column;
    gap: 30px;
    align-items: flex-start;
    padding-bottom: 20px;
  }

  .achievement_detail_bottom {
    flex-direction: column;
    gap: 30px;
  }

  .achievement_detail_bottom_box {
    width: 100%;
    padding-top: 30px;
  }

  .form_dl {
    flex-direction: column;
  }
  .label_item{
    height: 35px;
  }

  .label_item,
  dd {
    width: 100%;
  }
  .service-items h3 {
    margin-left: 15px;
    font-size: 22px;
    margin-bottom: 15px;
  }

  .service-items h3::before{
    height: 25px;
    top: 6px;
  }

  .more-link{
    width: calc(100% - 30px);
    max-width: 370px;
    margin: 0 auto;
    font-size: 18px;
    height: 60px;
  }
  .header_nav_active{
    border: none;
  }

  .achievements-item img{
    height: 180px;
    object-fit: cover;
  }
  .footer_wrap{
    flex-direction: column-reverse;
  }
  
  .footer-nav{
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
  }

  .footer_cap{
    text-align: center;
  }

  .footer-logo{
    height: 30px;
  }

  .footer-nav a{
    margin: 0;
  }

  .footer_wrap{
    margin-bottom: 40px;
  }

  .footer{
    padding: 40px 0 20px;
  }

  .service-items-top .service-item,
  .service-items-bottom .service-item,
  .m_5 .service_m_1_item{
    width: 100%;
  }

  .service_m_1.m_5{
    margin-bottom: 0;
  }

  .achievement_ttl,
  .company_ttl,
  .contact_ttl,
  .news_ttl{
    display: none !important;
  }

  .service_m_ttl,
  .achievement_ttl{
    font-size: 28px;
    padding-top: 30px;
    padding-bottom: 40px;
  }
  .service_m_1{
    padding-top: 0;
    margin-bottom: 0;
  }
  .service_m_1_img,
  .m_2 .service_m_1_img,
  .m_4 .service_m_1_img{
    position: inherit;
    top: inherit;
    bottom: inherit;
    right: inherit;
    left: inherit;
  }
  .service_m_1.m_2,
  .service_m_1.m_4{
    background-color: #fff;
  }
  .service_m_1_item,
  .m_2 .service_m_1_item:nth-of-type(1),
  .m_2 .service_m_1_item:nth-of-type(2),
  .m_5 .service_m_1_item:nth-of-type(1),
  .m_5 .service_m_1_item:nth-of-type(2){
    width: 100%;
    padding: 0;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: solid 1px #333;
  }
  .service_m_1_item:nth-of-type(1),
  .service_m_1_item:nth-of-type(2),
  .service_m_1_item:nth-of-type(3),
  .service_m_1_item:nth-of-type(4),
  .m_2 .service_m_1_item:nth-of-type(1),
  .m_2 .service_m_1_item:nth-of-type(2){
    border-top: none;
    border-right: none;
    border-left: none;
    padding-bottom: 20px;
  }

  .service_m_1_item h3{
    font-size: 22px;
    text-align: left;
    margin-bottom: 12px;
  }
  .service_m_1_ttl,
  .m_2 .service_m_1_ttl,
  .m_4 .service_m_1_ttl{
    font-size: 24px;
    margin-bottom: 40px;
    margin-top: 40px;
    margin-left: 15px;
    text-align: left;
    position: relative;
  }
  .service_m_1_ttl::before{
    content: "";
    width: 3px;
    display: block;
    background-color: #283666;
    position: absolute;
    left: -15px;
    height: 25px;
    top: 6px;
  }
  .service_m_1_wrap{
    display: block;
  }
  .detail_logo{
    display: block;
    position: absolute;
    width: 60px;
    top: 20px;
    left: 20px;
    z-index: 1;
  }
  .achievement_list_item_img_wrap{
    width: 100%;
  }
  .achievement_list_item_content_txt_wrap{
    font-size: 15px;
  }
  .achievement_list_item_content{
    margin: 10px 0;
  }
  .achievement_list{
    gap: 30px;
  }
  .achievement_item{
    font-size: 16px;
  }
  .achievement_detail_bottom_img{
    width: 100%;
    height: 250px;
  }
  .achievement_detail_bottom_box_left,
  .achievement_detail_bottom_box_right{
    width: 100%;
    margin: 0;
    padding: 0 15px;
  }
  .achievement_detail_bottom_box p{
    font-size: 24px;
  }
  .achievement_detail_bottom_right{
    padding-bottom: 30px;
    border: none;
  }
  .achievement_detail_bottom{
    border: none;
  }
  .achievement_detail_top_content_box{
    margin-bottom: 10px;
  }
  .achievement_detail_top_content_box p span:nth-of-type(1){
    width: 130px;
  }

  .company iframe{
    width: 90%;
    height: 300px;
    padding-bottom: 70px;
  }
  .company_table{
    font-size: 16px;
    padding-bottom: 20px;
  }
  .company_table tr{
    margin-bottom: 20px;
  }
  .contact_demo{
    left: -75%;
    top: 25%;
    font-size: 160px;
    opacity: 0.1;
  }
  .remarks_1{
    width: 100%;
    display: block;
  }
  
  .remarks_2{
    width: 100%;
    display: block;
  }
  .form-submit_null{
    display: none;
  }
  button,
  input[type="submit"] {
    -webkit-appearance: none; /* SafariやChromeのデフォルトスタイルをリセット */
    -moz-appearance: none;    /* Firefoxのデフォルトスタイルをリセット */
    appearance: none;         /* 他のブラウザのデフォルトスタイルをリセット */
    border: none;
    background: none;
  }
  .form-btns{
    width: calc(100% - 30px);;
    height: 60px;
    margin: 0 auto;
  }
  .form-submit{
    padding: 0;
  }
  .form-btns input{
    width: 100%;
    max-width: 370px;
    font-size: 18px;
    height: 100%;
  }
  .contact,
  .achievement_wrap{
    padding-bottom: 70px;
  }
  .news_sec{
    padding: 0 0 70px 0;
  }
  .news_sec .sp-achievement_ttl{
    text-align: left;
  }
  .achievement_list{
    padding-bottom: 0;
  }
  .news_detail .page_inner{
    margin-top: 100px;
  }
  .news_detail{
    word-wrap: break-word;
  }
  .news_detail #date{
    margin-bottom: 10px;
  }
  .contact{
    height: auto;
  }
  .contact_txt_wrap{
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
  .contact_txt{
    width: 100%;
  }
  .contact_txt_link{
    width: 100%;
  }
}