*{box-sizing:border-box}
html {
  scroll-behavior: smooth;
}
body{
  margin:0;
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont,
    "Helvetica Neue", "Segoe UI", "ヒラギノ角ゴ ProN",
    "Hiragino Kaku Gothic ProN", YuGothic, Meiryo, sans-serif !important;
  color:#333;
  background:#f5f5f5;
}

/* reset */
input {
  border-style: none;
}

/* ヘッダー全体 */
.site-header{
  z-index:1000;
  background:#fff;
  position: sticky;
  top: 0;
}
.site-header.scroll{
  background-color: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

@media (max-width: 768px) {
  .global-nav .nav-list {
    display: none;  
  }
  .logo {
    max-width: 120px; 
    height: auto;
  }
  .header-actions .header-btn {
    padding: 6px 10px;
    font-size: 11px;
  }
}
.header-inner{
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-left: 20px;
}
.logo-wrap{
  flex:0 0 auto;
}
@media (max-width: 768px) {
  .logo-wrap{
    margin-right: 0;
  }
}
.logo{
  height:48px;
  display:block;
}
.global-nav{
  flex:1 1 auto;
  text-align:right;
  padding-right: clamp(4px, 2vw , 50px);
}
.nav-list{
  list-style:none;
  margin:0;
  padding:0;
  display:inline-flex;
  gap:clamp(4px,2vw,60px);
  align-items:center;
}
.nav-item a{
  font-weight:bold;
  display:inline-block;
  color:#404040;
  text-decoration:none;
  font-size:clamp(10px,1.2vw,18px);
  padding:10px 0;
  transition: color .15s, transform .08s;
}
.nav-item a:hover,
.nav-item a:focus{
  color:#333;
  text-decoration: none;
}
.header-actions{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:clamp(12px ,1.2vw , 20px);
  color:#333333;
  margin-right:12px
}
.btn{
  width: clamp(80px, 9vw, 140px);
  height: 34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:clamp(2px , 1vw, 10px) clamp(4px , .8vw, 26px);
  border-radius:28px;
  font-size:clamp(10px,1.2vw,15px);
  text-decoration:none;
  cursor:pointer;
  border:0;
  transition: transform .08s, box-shadow .12s, opacity .12s;
  box-shadow: 0 2px 0 rgba(0,0,0,0.04);
  font-weight: bold;
}
@media (max-width: 768px) {
  .header-actions{
  gap:7px;
  margin-right: 5px;
  }
  .btn{
  width: 100px;
  }
}
.header-btn{
  background:#333;
  color:#fff;
  /* padding:10px 24px; */
}

.header-btn:hover{opacity:0.95}
.nav-item a{
  letter-spacing:0.02em;
  white-space: nowrap;
}
/* ヘッダー*/

/* トップコンテンツ */
.top_txt_01{
  display:inline-block;
  padding: 8px 24px;
  margin:0 0 28px;
  font-size:18px;
  font-weight:700;
  color:#fff;
  background:#333;
  letter-spacing:0.1em;
}
.top_txt_02{
  margin:0 0 24px;
  font-size:40px;
  line-height:1.45;
  font-weight:700;
  background: linear-gradient(5deg, #5FD7F7 0%, #70A9F6 40%, #8C96F6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;      
}
@media (max-width: 768px) {
  .top_txt_02{font-size: 30px;
  }
}
.top_txt_02 p{
  margin:0;
}
.top_txt_03{
  margin:0;
   font-size:22px;
  line-height:1.8;
  color:#333;
  margin-top: 20px;
}
.mainvisual__image {
  display:flex;
  justify-content: end;
  margin-top:-50px;
}

@media screen and (max-width: 768px) {
  .mainvisual__image {
  justify-content: center;
  margin-top:0px;
}
}


.form-wrapper{
  width:100%;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
}
.request-form{
  width:420px;
  background:#ffffff;
  border-radius:18px;
  box-shadow:0 12px 24px rgba(0,0,0,0.12);
  overflow:hidden;
}
.form-header{
  background:#333;
  padding:18px 24px;
  text-align:center;
}
.form-header h2{
  margin:0;
  color:#ffffff;
  font-size:20px;
  letter-spacing:0.15em;
}
.request-form-inner{
  padding:24px 26px 28px;
}
.form-group{
  margin-bottom:16px;
}
.form-group label{
  display:block;
  margin-bottom:4px;
  font-size:13px;
  font-weight:700;
  color:#555555;
}
.required-heroform{
  color:#e60012;
  margin-left:2px;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"]{
  width:100%;
  padding:9px 10px;
  font-size:14px;
  border:1px solid #d2d2d2;
  border-radius:2px;
  outline:none;
  transition:border-color .15s, box-shadow .15s;
}
.form-group input:focus{
  border-color:#ffb000;
  box-shadow:0 0 0 2px rgba(255,176,0,0.24);
}
.form-group input::placeholder{
  color:#bbbbbb;
}
.form-consent{
  margin:10px 0 18px;
  font-size:12px;
  text-align: center;
}
.form-consent label{
  cursor:pointer;
}
.form-consent input[type="checkbox"]{
  margin-right:6px;
  vertical-align:middle;
}
.form-consent .link a{
  color:#0090ff;
  text-decoration:underline;
}
.form-submit{
  text-align:center;
  margin: 150px 0 0;
}
.submit-btn{
  display:inline-flex;
  width:100%;
  border:none;
  cursor:pointer;
  font-size:16px;
  font-weight:700;
  color:#ffffff;
  border-radius:28px;
  background:linear-gradient(90deg,#ffb000,#f28a00);
  box-shadow:0 4px 0 rgba(0,0,0,0.12);
  align-items:center;
  gap:8px;
  justify-content: space-between;
  padding: 5px 20px;
}
.send-btn{
    flex: 1;
    color: #fff;
    font-weight: 700;
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    padding-left: 48px;
    font-size: 22px;
}
.submit-btn:hover{
  opacity:0.95;
}
.submit-btn:active{
  transform:translateY(1px);
  box-shadow:0 2px 0 rgba(0,0,0,0.08);
}
.expansion {
  transition: 0.2s ease-in;
}
.expansion:hover {
  transform: scale(1.05);
}
.arrow{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; 
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.6); 
  box-shadow: none;
  border: 1px solid rgba(0,0,0,0.06);
  padding: 0;
  font-size: 20px;
  color: #fff;
  margin-right: 8px;
}
.submit-arrow{
  font-size:18px;
}
.request-form {
    height: 100%;
}
@media (max-width: 768px) {
  .mainvisual__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .mainvisual__image {
    position: static;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: 16px;
  }
  .request-form {
    width: 100%;
    max-width: 480px;
    margin-top: 24px;
  }
}

/* --------------top-------------- */
.topsection{
  background-color: #fff;
  background-image: url("/ai-development-lp/img/ai_background03.png");
}
@media (max-width: 768px) {
  .topsection{ 
    padding-top: 0;
    font-size: 15px;
  }
}
.mainvisual__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 0rem 50px 2rem;
  box-sizing: border-box;
  gap: 40px;     
} 
@media (max-width: 768px) {
  .mainvisual__inner {
    flex-direction: column;
    padding: 0 20px 0;
  }
  .mainvisual-left,
  .request-form {
    flex: 0 0 auto;
    max-width: 100%;
  }
}
.mainvisual-left {
  flex: 0 0 60%;                 
  display: flex;
  flex-direction: column;       
  justify-content: flex-start;
  gap: 24px;  
  position: relative;                   
}
.request-form {
  flex: 0 0 40%;
  max-width: 480px;
}
.top {
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 3rem;
}     
.mainvisual__text{
    margin-top: 60px;
}
/* --------------企業ロゴ-------------- */
	@keyframes infinity-scroll-left {
from {
  transform: translateX(0);
}
  to {
  transform: translateX(-100%);
}
  }
.home-customer {
  display: flex;
  overflow: hidden;
  padding: 15px 0;
}
.home-customer__list {
  display: flex;
  list-style: none;
  padding: 30px 0;
}
.home-customer__list--left {
  animation: infinity-scroll-left 50s infinite linear 0.5s both;
}
.home-customer__item {
    width: calc(100vw / 8);
    height: 40px;
    padding: 0 15px;
}

@media screen and (max-width:768px) {
  .home-customer {
    margin-top: 30px;
  }

  .home-customer__item {
    width: calc(100vw / 2);
    height: 60px;
    padding: 0 10px;
  }
}


.home-customer__item>img {
  width: 100%;
  height: 100% !important;
  object-fit: contain;
}
/* --------------企業ロゴ-------------- */

/* --------------開発実績-------------- */
.developachievement-section{
  position: relative;
  padding: 80px 0;
  padding-left: 60px;
  background: #f5f5f5;
  overflow: hidden;
  background: linear-gradient(to bottom, #fff 0%, #fff 50%, #f5f5f5 50%, #f5f5f5 100%);
}
.developachievement-section::before{
  content:"";
  position: absolute;
  z-index: 0;
  bottom: 0;
  left: 0;
  width: calc(100% - 5rem);
  height: 50%;
  background: linear-gradient(90deg, #54d9ff 0%, #7e86ff 100%);
  border-radius: 0 98px 98px 0;
}

.developachievement-intro-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin: 0;
  background: #fff;
  border-radius: 87px 0 0 87px;
  display: flex;
  flex-direction: column;
  background:url("/ai-development-lp/img/clinks_background.png") no-repeat 5% 110% / 720px,
    #fff;
  box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.12);
}

  @media (max-width: 768px) {
  .developachievement-section{
    padding-bottom: 35px;
    padding-left: 20px;
  }
  .developachievement-section::before{
    border-radius: 0 30px 30px 0;
  }
  .developachievement-intro-card{
    border-radius: 30px 0 0 30px;
    background:#fff;
  }
  .inner {
    flex-direction: column; 
    align-items: stretch;
  }
}
.achievement-img {
  flex: 0 0 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.achievement-img img {
  max-width: 100%;
  height: auto;
  margin-top: 90px;
}
@media (max-width: 768px) {
  .achievement-img img {
    max-width: 60%;
    margin-top: 40px;
  }
}

.achievement-intro {
  flex: 1 1 0;
  min-width: 0;
  margin-top: 30px;
}
@media (max-width: 768px) {
  .achievement-intro {
    font-size: 25px;
  }
}

.achievement-about__small {
  font-size: clamp(16px,2.0vw,32px);
  font-weight: 700;
  color: #5F6FD2;
  letter-spacing: .08em;
  margin-bottom: 18px;
}
@media (max-width: 768px) {
  .achievement-about__small {
    font-size: 21px;
  }
}

.achievement-about {
  margin: 0 0 18px 0;
  padding: 0;
  line-height: 1;
}
@media (max-width: 768px) {
  .achievement-about {
    margin-left: 20px;
  }
}

.achievement-about__main {
    font-size: clamp(32px,4.0vw,58px);
    color: #5664d9;
    line-height: 1.5;
    margin: 0;
}


@media (max-width: 768px) {
  .achievement-about__main {
    font-size: 28px;
  }
}
.achievement-about__text {
  margin-top: 26px;
  color: #6b6f76;
  font-size: 20px;
  line-height: 1.8;
  max-width: 720px;
}
@media (max-width: 768px) {
  .achievement-about__text {
    font-size: 18px;
    margin-left: 20px;
  }
}
.develop_image {
  width: 100%;
  display: flex;
  justify-content: center;
}
.develop_image img {
  max-width: 100%;
  height: auto;
  display: block;
  transform: translateY(-10px);
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.08));
}
@media (max-width: 768px) {
  .develop_image img {
    margin-left: 20px;
  }
}

.text {
  color: #6b6f76;
  font-size: 17px;
  line-height: 1.9;
  text-align: left;
}
@media (max-width: 768px) {
  .text {
    font-size: 15px;
  }
  .text br{
    display: none;
  }

}

.text_01{
  font-size: 15px;
  padding-bottom: 100px;
}
@media (max-width: 768px) {
  .text {
    margin-left: 20px;
    padding-top: 40px;
  }
}

.inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 100px;
}
@media (max-width: 768px) {
  .inner {
    padding-left: 0;
  }
}


.box.a {
  padding-left: 0px;
}
.box.c{
  padding-bottom: 250px;
}

.inner .box.a {
  flex: 1;
  margin-top: 60px;
  padding-right: 0px;
  padding-bottom: 50px;
}
@media (max-width: 768px) {
  .inner .box.a {
    max-width: 330px;
    margin-top: 30px;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 20px;
  }
  .text_01 {
    font-size: 15px;
  }
}


.inner .box.b {
  flex: 1 1 100%;
  padding-left: 45%;
  padding-top: 0px;
}
@media (max-width: 768px) {
  .inner .box.b {
    padding-left: 20px;
  }
  .text_01 {
    font-size: 15px;
    padding-bottom: 50px;
  }
}


.inner .box {
  padding: 20px;
  box-sizing: border-box;
}

/* --------------開発実績-------------- */
/* --------------Policy-------------- */
.policy-section{
  background-image: url("/ai-development-lp/img/ai_background.png");
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.header {
    text-align: center;
    margin-bottom: 60px;
    margin-top: 100px;
}

.main-title {
    font-size: 3.1vw;
    color: #5664d9;
    font-weight: bold;
    letter-spacing: 0.05em;
    margin-bottom: 10px;
}
.br-sp {
  display: none;
}
@media (max-width: 768px) {
  .br-sp {
    display: block;
  }
}
.main-title.form{
  font-size: 30px;
}
@media (max-width: 768px) {
  .main-title.form{
  font-size: 22px;
  }
}

.sub-title {
    font-size: 1.4vw;
    color: #a8aab5;
    letter-spacing: 0.2em;
    font-weight: 300;
    font-weight: bold;
}
@media (max-width: 768px) {
  .sub-title {
    font-size: 18px;
  }
}


.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: white;
    border-radius: 35px;
    padding: 20px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.card-header {
  display: flex;
  gap: 6px
}

.number {
  font-size: 46px;
  font-weight: 300;       
  letter-spacing: 0.08em;   
  color: #5664d9;          
  line-height: 1;          
  display: inline-block;
}

.english-title {
    font-size: 24px;
    color: #b5c3e3;
    font-weight: 500;
    letter-spacing: 0.05em;
}


.card-image {
    text-align: center;
    margin-bottom: 30px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    max-width: 100%;
    height: auto;
}
.card-text-wrapper{
   text-align: center; 
}
.card-title {
    font-size: 26px;
    color: #4a6bb5;
    font-weight: bold;
    text-align: center;
    margin-bottom: 35px;
    line-height: 1.6;
}
.card-title.bottom{
  margin-bottom: 15px;
}
.card-text {
  color: #6b6f76;
  line-height: 1.7;
  text-align: left;
  display: inline-block; 
  font-weight:bold;
  font-size:17px;
}
.card-image.bottom{
  margin-bottom: 60px;
}
@media (max-width: 768px) {
    .cards {
      grid-template-columns: 1fr;
      margin: 0 20px;
    }
    
    .main-title {
        font-size: 40px;
    }
}
/* --------------Policy-------------- */
/* --------------threestrengths-------------- */
.threestrengths-section{
  position: relative;
  padding: 80px 0;
  padding-left: 60px;
  overflow: hidden;
}

.threestrengths-intro-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin: 0;
  background: url("/ai-development-lp/img/ai_background04.png") no-repeat right -400px top -200px / 40%,
    url("/ai-development-lp/img/ai_background04.png") no-repeat left -510px bottom -150px / 40%,
    linear-gradient(135deg, #6fdcff 0%, #8a96ff 100%);
  border-radius: 87px 0 0 87px;
  display: flex;
  flex-direction: column;
}
@media (max-width: 1400px) {
  .threestrengths-intro-card {
    background-position:right -260px top -340px,
      left  -320px bottom -120px,0 0;
    background-size:55%,55%,cover;
  }
}
  @media (max-width: 768px) {
  .threestrengths-section{
    padding-bottom: 35px;
    padding-left: 20px;
  }
  .threestrengths-intro-card{
      border-radius: 30px 0 0 30px;
    }
  }

.threestrength-text{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 200px;
  padding-right: 30px;
  gap: 30px;
}
@media (max-width: 768px) {
  .threestrength-text{
    padding-left: 30px;
    padding-bottom: 130px;
  }
}
.strengths-inner {
  color: #fff;
  padding-top: 150px;
  margin-top: unset;
  padding-left: 100px;
}
@media (max-width: 768px) {
  .strengths-inner {
    margin: 0 20px;
    padding-top: 50px;
    padding-left: 0px;
  }
}
.strengths-header {
  text-align: left;
}

.strengths-title {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 12px;
}
@media (max-width: 768px) {
.strengths-title {
  margin-left: 0;
  }
}
.strengths-sub-title {
  font-size: 18px;
  letter-spacing: 0.25em;
  opacity: 0.6;
}
@media (max-width: 768px) {
  .strengths-sub-title {
    margin-left: 0;
  }
}


.strength {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  max-width: 1400px;
  margin-top: 40px;
}

.strength:last-of-type {
  margin-bottom: 0;
}

.strength-text {
  flex: 60%;
}
.strength-row{
  display: flex;
  align-items: center;
  gap: 12px;    
}
@media (max-width: 768px) {
  .strength-row {
    margin-top: 30px;
  }
}

.strength-visual {
  flex: 40%;
  text-align: center;
}

.strength-visual img {
  max-width: 300px;
  width: 100%;
  height: auto;
}

.strength-badge {
  width: 3.5vw;
  height: 3.5vw;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}
@media (max-width: 768px) {
  .strength-badge {
    width: 60px;
    height: 60px;
    aspect-ratio: 1 / 1;
  }
}

.badge-number {
  font-size: 1.5vw;
  font-weight: 700;
  color: #5c65c9;
}
@media (max-width: 768px) {
  .badge-number {
    font-size: 25px;
    font-weight: 700;
    color: #5c65c9;
  }
}

.strength-heading {
  font-size: 1.5vw;
  line-height: 1.6;
  font-weight: 700;
  margin-bottom: 22px;
  text-align: left;
}
@media (max-width: 768px) {
  .strength-heading {
    font-size: 19px;
  }
  .strength-heading br {
    display: none;
  }
}
.strength-desc {
  font-size: 1.3vw;
  line-height: 1.8;
  opacity: 0.95;
}
@media (max-width: 768px) {
  .strength-desc {
    width: 300px;
    font-size: 16px;
  }
}

.strength-01 {
  margin-right: 100px;
  margin-top: 0px;
}
@media (max-width: 768px) {
  .strength-01 {
    margin-left: 120px;
  }
}

.strength-02 {
  flex-direction: row-reverse;
  text-align: right;
  margin-top: 50px;
  margin-left: 100px;
}
.strength-03 {
  margin-top: 50px;
  margin-right: 100px;
}
@media (max-width: 768px) {
  .strength-03 {
    margin-right: 0px;
    margin-left: 20px;
  }
}

.strength-02 .strength-text {
  text-align: right;
}

.strength-02 .strength-desc {
  text-align: left;
}
@media (max-width: 768px) {
  .strengths-title {
    font-size: 40px;
  }

  .strength {
    flex-direction: column;
    align-items: flex-start;
  }

  .strength-02 {
    flex-direction: column;
    text-align: left;
    margin-left: 20px;
  }

  .strength-02 .strength-text,
  .strength-02 .strength-desc {
    text-align: left;
  }

  .strength-visual {
    text-align: center;
  }

  .strength-visual img {
    max-width: 280px;
  }
}

/* --------------threestrengths-------------- */
/* --------------developmentsteps------------ */
.steps-inner{
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 100px;
  border-radius: 0 0 60px 60px;
  position: relative; 
  z-index: 2; 
  background: #f5f5f5;
}

@media screen and (max-width:768px) {
  .steps-inner{
    border-radius: 0 0 45px 45px;
    display: block;
    flex-direction: initial;
    align-items: initial;
  }
} 


.steps-header {
  text-align: center;
  margin-bottom: 60px;
}
.develop_step-img{
  display: flex;
}
.develop_step-img img{
  max-width: 1400px;
  width: 100%;
  height: auto;
  display: block; 
  margin-bottom: 40px;
}

.img_scroll-bar-area {
  display: none;
} 

@media (max-width: 768px) {
  .develop_step-img{
  text-align: center;
}
  .develop_step-img {
    overflow-x: auto;
    overflow-y: hidden;
  }

  .develop_step-img img {
    width: 1528px;
    max-width: none;
  }
  .develop_step-img::-webkit-scrollbar {
    height: 10px;
  }

  .develop_step-img::-webkit-scrollbar-track {
    background: #eee;
    border-radius: 3px;
  }

  .develop_step-img::-webkit-scrollbar-thumb {
    background: #5664D9;
    border-radius: 10px;
  }

  .img_scroll-bar-area {
     display: block;
     width: auto;
     height: 60px;
  } 
}
/* --------------developmentsteps------------ */
/* --------------casea------------ */
/* セクション全体 */
.cases-section {
  background: #202020;
  color: #fff;
  padding: 80px 0 80px;
  font-size: 48px;
  font-weight: bold;
  letter-spacing: 0.05em;
  margin-top: -60px;
  margin-bottom: -130px; 
  z-index: 1;
  padding-bottom: 0px;
}

.cases-header {
  text-align: center;
  margin-bottom: 40px;
}

.cases-title {
  font-size: 40px;
  letter-spacing: 0.25em;
  font-weight: 700;
  margin-bottom: 8px;
  margin-top: 90px;
}
.cases-wrapper {
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
}

.cases-window {
  overflow: hidden;
  flex: 1;
  width:100%
}

.cases-track {
  display: flex;
  gap: 24px;
  padding: 8px 0;   
  margin: 0;
  list-style: none;
  transition: transform 0.6s ease;
}

.cases__item {
  flex: 0 0 360px;
}

.case-card {
  display: flex;
  flex-direction: column;
  height: 350px;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.18);
  overflow: hidden;
}
.case-image {
  height: 50%;
  flex: 0 0 50%;
  overflow: hidden;
}
.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.case-body {
  height: 50%;
  flex: 0 0 50%;
  padding: 16px 20px 20px;
  box-sizing: border-box;
}
.case-title {
  font-size: 16px;
  font-weight: 700;
  color: #4154c5;
  margin-bottom: 8px;
}

.case-text {
  font-size: 13px;
  line-height: 1.7;
  color: #333;
}

.nav-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: #6674c7; 
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(0,0,0,0.25);
  padding: 0;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
}

.nav-btn:hover {
  opacity: 0.9;
}

.nav-arrow {
  position: relative;
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
}

.nav-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: translateY(-50%) rotate(45deg);
}

.nav-arrow-left {
  transform: rotate(180deg);
}
.nav-prev {
  left: 17.5%;
}
.nav-next {
  right: 18%;
}
.submit-btn.download{
  font-size: 22px;
  padding-right: 0;
  padding-left: 90px;
  width: 500px;
  height: 63px;
  margin-top: 60px;
  margin-bottom: 40px;
  gap: 0;
}
@media (max-width: 768px) {
  .submit-btn.download{
    width: 340px;
    font-size: 17px;
    padding-left: 20px;
  }
}
.aidrivencompany-img img {
  width: 100%;
  height: auto;
  padding-top: 80px;
  padding-bottom: 120px;
}
@media (max-width: 768px) {
  .cases-title {
    font-size: 28px;
  }

  .cases__item {
   flex: 0 0 32vw;
  }

  .case-card {
    min-width: 260px;
  }

  .nav-btn {
    width: 44px;
    height: 44px;
  }

  .nav-prev {
    left: 6%;
  }
  .nav-next {
   right: 6%;
  }
}

@media (max-width: 576px) {
  .cases__item {
   flex: 0 0 100%;
   padding: 20px;
  }

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
  }
}
a {
  text-decoration: none;
}



#casesTrack {
  transition: transform 0.6s ease;
  will-change: transform;
}
/* --------------casea------------ */
/* --------------serviceoutput------------ */
.serviceoutput-section{
  position: relative;
  padding: 80px 0;
  padding-left: 60px;
  background: #f5f5f5;
  overflow: hidden;
  background: linear-gradient(to bottom, #202020 0%, #202020 50%, #f5f5f5 50%, #f5f5f5 100%);
}
.serviceoutput-section::before{
  content:"";
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  width: calc(100% - 5rem);
  height: 50%;
  background: linear-gradient(90deg, #54d9ff 0%, #7e86ff 100%);
  border-radius: 0 98px 98px 0;
}

.intro-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: none;
  margin: 0;
  background: #fff;
  border-radius: 87px 0 0 87px;
  display: flex;
  flex-direction: column;
  background:url("/ai-development-lp/img/background_illustration.png") no-repeat right -420px bottom -230px / 100%,
    #fff;
}


.service-inner {
  position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 0 100px;
    box-sizing: border-box;
}
@media (max-width: 768px) {
  .serviceoutput-section{
    padding-top: 50px;
    padding-left: 40px;
  }
  .serviceoutput-section::before{
    border-radius: 0 50px 50px 0;
  }
  .intro-card{
    border-radius: 50px 0 0 50px;
  }
  .service-inner {
    margin-left: 40px;
    margin-right: 40px;
    padding-left: 20px;
  }
}
.service-header {
  margin-bottom: 2.0833vw;
}

.service-title {
  font-size: 40px;
  color: #3550b7;
  letter-spacing: 0.22em;
  margin-bottom: 6px;
}

.service-sub-title {
  font-size: 14px;
  letter-spacing: 0.35em;
  color: #9ba0b8;
}

.service-top {
  display: flex;
  align-items: flex-start;
  gap: 5.2vw;
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
  padding-top: 100px;
  padding-left: 30px;
  padding-right: 30px;
}

@media (max-width: 992px) {
  .service-top {
    padding-top: 30px;
  }
}
@media (max-width: 768px) {
  .service-top {
    flex-direction: column;
    margin-top: 50px;
    padding-left: 0;
    padding-right: 0;
    padding-top: 0;
    gap: 50px;
    border-right-width: 30px;
  }
}

.service-top-text{
    margin: 0;
    font-size: 20px;
    line-height: 1.8;
    color: #333;
    font-weight: bold;
    padding-left: 60px;
}
@media (max-width: 768px) {
  .service-top-text{
    padding-left: 0;
  }
}

.service-top-visual img {
  width: 15.6vw;
  height: auto;
  margin-left: clamp(50px, 13vw, 250px);
}
@media (max-width: 768px) {
  .service-top-visual img {
    width: 250px;
    margin-left: 30px;
  }
}

.service-text{
  font-size: 1.406vw;
}
@media (max-width: 768px) {
  .service-text{
    font-size: 23px;
  }
}
.pc-br {
  display: inline;
}

@media (max-width: 768px) {
  .pc-br {
    display: none;
  }
}
.ti-section {
  position: relative;
  padding-top: 2.0833vw;
  padding-bottom: 0;
  padding-left: 30px;
  padding-right: 30px;
}
@media (max-width: 768px) {
  .ti-section {
    padding-left: 0;
    padding-right: 0;
  }
}


.ti-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-left: 30px;
  padding-right: 30px;
}
.ti-inner > * {
  flex: 1;
  padding-left: 60px;
}
@media (max-width: 768px) {
  .ti-inner > * {
    padding-left: 0;
  }
}

.ti-image img {
  width:  29.1vw;
  height: auto;
  display: block;
}
@media (max-width: 768px) {
  .ti-image img  {
    width: 100%;
  }
}


.ti-label {
  display: inline-block;
  padding: 8px 16px;
  background: #5664d9;
  color: #fff;
  font-size: 1.3vw;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.ti-paragraph {
  font-size: 1.1vw;
  line-height: 2;
  color: #222;
}
@media (max-width: 768px) {
  .ti-paragraph {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .ti-inner {
    flex-direction: column;
    align-items: flex-start;
    padding-left: 0;
    padding-right: 0;
  }

  .ti-text,
  .ti-image {
    flex: 1 1 auto;
    width: 100%;
  }
  .ti-text {
    order: 1;
  }
  .ti-image {
    order: 2;
  }

  .ti-label {
    font-size: 16px;
  }
}
/* --------------serviceoutput------------ */
/* --------------solution------------ */
.issue-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.issue-label {
  display: inline-block;
  padding: 6px 24px;
  background: #222;
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.2em;
  border-radius: 999px;
  margin-bottom: 28px;
}
.issue-text {
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 700;
  color: #222;
  margin-bottom: 32px;
}
.issue-illust {
  height: 220px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin-bottom: 8px;
  margin-top: auto; 
}
.issue-illust img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}
.solutions-section {
  padding: 40px 0 80px;
}
.solution-card {
  background: linear-gradient(180deg, #72c7ff 0%, #6d8dff 100%);
  border-radius: 30px;
  padding: 28px 26px 32px;
  color: #fff;
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 400px;
}
.solution-label {
  align-self: center;
  padding: 1px 24px;
  margin-bottom: 22px;
  border-radius: 999px;
  background: #ffffff;
  color: #36A4FF;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.22em;
}
.solution-title {
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 18px;
}
.solution-title.app {
  margin-top: 18px;
}
@media (max-width: 768px) {
  .solution-title {
    font-size: 18px;
  }
  .solution-text.app {
    margin-top: 0;
    font-size: 18px;
  }
  .solution-text {
    margin-top: 0;
    font-size: 18px;
    }
}
.solution-text {
  font-size: clamp(9px, 1.8vw, 18px);
  line-height: 1.8;
}
@media (max-width: 768px) {
  .solution-text {
    margin-top: 0;
    font-size: 18px;
  }
}

.solution-text.app {
  margin-top: auto;
}


.solution-pairs {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  column-gap: 32px;
}
.pair {
  display: flex;
  flex-direction: column;
  align-items: center;
  row-gap: 28px;
}

.issue-card {
  grid-row: 1;
}
.solution-card {
  grid-row: 2;
  }

.issue-card,
.solution-card {
  max-width: 360px;
  width: 100%;
  height: 420px;
}

@media (max-width: 768px) {
  .solution-pairs {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin: 0 20px;
  }
  .pair {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
}
/* --------------solution------------ */
/* --------------member------------ */
.member-section {
  background-image: url("/ai-development-lp/img/ai_background02.png");
  border-top-left-radius: 80px;
  border-bottom-left-radius: 80px;
}
@media (max-width: 768px) {
.member-section {
    padding: 0 20px;
}
}
.detailedmessage {
  width: 100%;
  max-width: 1180px;        
  margin: 0 auto;    
  padding: 0 16px 0;
  text-align: center;
  font-size: 23px;
  line-height: 1.9;
  letter-spacing: 0.12em;
  color: #444;
  font-weight: 500;
}

@media (max-width: 768px) {
  .detailedmessage {
    font-size: 14px;
    line-height: 1.8;
    padding-inline: 12px;
  }
}

.engineers-section {
  padding: 60px 0 80px;
}

.engineers-inner {
  width: clamp(0px, 90vw, 1400px);
  margin: 0 auto;
  padding: 48px 40px 48px;
  border-radius: 40px;
  background: #ffffff;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 80px;
  text-align: center;
}

.engineer-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.engineer-avatar {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 26px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.18);
}
.engineer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.engineer-exp-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 36px;
  border-radius: 999px;
  background: #222;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 26px;
}
.engineer-role {
  font-size: 20px;
  font-weight: 700;
  color: #111;
  margin-bottom: 20px;
  margin: 16px 0;
  padding: 8px 0;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}
.engineer-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  column-gap: 40px;
  margin-bottom: 6px;
}
.engineer-row--center {
  display: flex;
  justify-content: center;
  margin: 12px 0;
}

.engineer-row-label {
  font-weight: 700;
  color: #666;
  white-space: nowrap;
}

.engineer-row-value {
  color: #555;
  text-align: left;
}

.engineer-row-value--strong {
  font-size: 18px;
  font-weight: 700;
  color: #333;
}

@media (max-width: 1200px) {
  .engineers-inner {
    grid-template-columns: 1fr;
    max-width: 560px;
    padding: 40px 20px;
    gap: 20px;
  }
  .engineer-avatar {
    width: 200px;
    height: 200px;
  }
  .engineer-exp-badge {
    font-size: 16px;
  }
}
@media (max-width: 768px) {
  .engineer-card {
    padding: 20px 16px 24px;
    font-size: 13px;
  }
  .engineer-row {
    grid-template-columns: 72px 1fr;
  }
  .engineer-row-label {
    font-size: 13px;
  }
  .engineer-row-value--strong {
    font-size: 16px;
  }
}

/* --------------member------------ */
/* --------------technologies------------ */
.member-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.stack-section {
  background-image: url("/ai-development-lp/img/ai_background02.png");
  border-top-left-radius: 80px;
  border-bottom-left-radius: 80px;
  background-size: 100% 100%;
}
.stack-inner {
  margin: 0 auto;
  flex-direction: column;
  margin-top: 60px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}


.stack-card {
  width: clamp(0px, 90vw, 1400px);
  position: relative;
  background: #ffffff;
  border-radius: 40px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.06);
  padding: 60px 0 20px;
  overflow: hidden;
}
.stack-label {
  position: absolute;
  left: 0;
  top: 0;
  height: 64px;
  padding: 0 40px 0 32px;
  display: flex;
  align-items: center;
  background: linear-gradient(90deg, #47b2ff 0%, #7087ff 100%);
  border-radius: 40px 0 40px 0;
}

.stack-label span {
  color: #ffffff;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.18em;
}
.stack-logos {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.stack-logos.bk {
  flex-wrap: wrap;
}

.stack-logos img {
  width: 200px;
  height: 150px;
  object-fit: contain;
  display: block;
}
.stack-logos.ai{
  gap:40px;
}
.stack-logos.ai img {
  width: 20%;
  height: 100px;
  object-fit: contain;
  display: block;
}
.stack-card.dev {
  padding: 0;
}
.stack-logos.dev{
  gap: 40px;
}
.stack-logos.dev img {
  width: 200px;
  height: 200px;
  object-fit: contain;
  display: block;
}
@media (max-width: 768px) {
  .stack-card {
  padding: 30px 0 20px;
}
  .stack-label {
    height: 50px;
  }
  .stack-label span {
    font-size: 14px;
  }

  .stack-logos {
    gap: 10px;
  }
  .stack-logos.bk {
    column-gap: 40px;
    row-gap: 0;
  }
  .stack-logos img {
      width: 60px;
    }
  .stack-logos.bk img{
    width: 60px;
  }
.stack-logos.ai img {
  width: 50px;
  height: 100px;
  object-fit: contain;
  display: block;
  }
  .stack-logos.dev img {
    width: 50px;
    height: 170px;
  }
}
/* --------------technologies------------ */

/* --------------資料ダウンロードフォーム------------ */
.form-wrapper {
  display: flex;
  gap: 30px;
  max-width: 1440px;
  margin: 0 auto;
  justify-content: space-between;
  box-sizing: border-box;
  min-height: calc(100vh - 170px);
}
.form-intro {
  flex: 1; 
  display: flex;
  flex-direction: column;
  text-align: center;
  justify-content: center;
}
.title{
  margin-bottom: 1.7rem;
}
.form-intro h2 {
  font-size: 3rem;
  line-height: 1.5;
}
.form-intro p {
  font-size: 1.3rem; 
  line-height: 1.3; 
  font-weight: bold;
}
.form-intro img {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;}

@media (max-width: 768px) {
  .form-intro {
    display: none;
  }
}

.form-main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;

}
@media screen and (max-width: 768px) {
  .form-main {
      width: 95%;
      margin: 20px auto 50px;
      margin-bottom: 0px;
  }
  .form-main h1{
    font-size: 1.7rem;
  }
  .form-main h4{
    font-size: 0.7rem;
  }
}
@media (max-width: 768px) {
  .form-wrapper {
    flex-direction: column; 
  }
   .form-intro {
    margin-top: 0;
    margin-left: 0; 
  }
}
.intro-text {
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
  max-width: 100%;
}
.intro-text p {
  text-align: left;
  font-size: 1.3rem; 
  line-height: 1.3; 
  font-weight: bold;
}
.intro-text p:last-child {
  margin-bottom: 0;
}
.form-intro img {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
} 
/* ---フッター---- */
.c-form__atte {
	margin-top: 3.6rem;
	padding: 1.2rem;
	border: 1px solid #d1d1cb;
	border-radius: 0.4rem;
	line-height: 1.25;
  font-size: 0.72rem;
  margin-bottom: 30px;
}
.c-form__atte a {
	color: #00b5a6;
	text-underline-offset: 0.2rem;
}
.c-form__atte p:nth-of-type(2) {
  margin-top: 1.5em; 
}
@media screen and (max-width: 768px) {
	.c-form__atte {
		font-size: 1.1rem;
	}
}
.check-pol{
  width: 100%;
  float: right;
  text-align: center;
}
.c-inner {
	max-width: 112rem;
	margin-left: auto;
	margin-right: auto;
	padding: 0 2rem;
}
@media screen and (max-width: 768px) {
	.c-inner {
		padding: 0 1.6rem;
	}
}
.c-inner__inner {
	max-width: 96rem;
	margin-left: auto;
	margin-right: auto;
}
.c-inner__spfit {
	margin-left: -1.6rem;
	margin-right: -1.6rem;
}
.c-inner--xs {
	max-width: 84rem;
}
.c-inner--sm {
	max-width: 100rem;
}
.c-inner--lg {
	max-width: 128rem;
}
.c-inner--xl {
	max-width: 142rem;
}
.c-inner--xxl {
	max-width: 164rem;
}
.c-inner--full {
	max-width: 100%;
}
@media screen and (max-width: 768px) {
	.c-inner--spfit {
		padding-left: 0;
		padding-right: 0;
	}
}
.p-sep-contact-set {
	padding-top: 0.8rem;
	padding-bottom: 4.8rem;
  font-size: 0.9em; 
}
@media screen and (min-width: 768px) {
	.p-sep-contact-set__contain {
		display: flex;
		justify-content: center;
	}
	.p-sep-contact-set__item {
		padding: 0 1rem;
	}
}
.c-cta-contact {
	line-height: 1.5;
	color: #9d9d9d;
	text-align: center;
}
.c-cta-contact__contain {
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	background: url(../images/parts_cta_grad.png) no-repeat center bottom/min(100%, 48rem);
}
.c-cta-contact__contain:last-child {
	margin-bottom: 0;
}
@media screen and (max-width: 768px) {
	.c-cta-contact__contain {
      margin-top: 30px;
	}
}
.c-cta-contact__ttl {
	font-size: 1.8rem;
	color: #302221;
	line-height: 1.5;
  font-size:1.2em;
}
@media screen and (max-width: 768px) {
	.c-cta-contact__ttl {
		font-size: 1.4rem;
	}
}
.c-cta-contact__pu {
	font-size: 2rem;
	font-weight: bold;
}
@media screen and (max-width: 768px) {
	.c-cta-contact__pu {
		font-size: 1.8rem;
	}
}
.c-cta-contact__pu-txt {
	line-height: 1.25;
	display: inline-block;
}
@media screen and (max-width: 768px) {
	.c-cta-contact__pu-txt {
	line-height: 1.25;
	display: inline-block;
	color:#00b5a6;
	}
}
.c-cta-contact__pu-txt a {
	display: inline-block;
  font-size: 0.8em;
  color:#00b5a6;
}
.c-cta-contact__txt {
	margin-top: 1rem;
  font-size: 1rem;
}
@media screen and (min-width: 768px) {
	.c-cta-contact__txt {
		font-size: 1rem;
	}
}
@media screen and (min-width: 768px) {
	.c-cta-contact--lg .c-cta-contact__ttl {
		font-size: 2rem;
	}
}
@media screen and (min-width: 768px) {
	.c-cta-contact--lg .c-cta-contact__pu {
		font-size: 2.4rem;
	}
}

footer {
  background: #333;
  padding: 20px 0 5px;
}
footer section {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
footer section .logo {
  width: 145px;
  height: auto;
  margin-bottom: 10px;
}
footer section .copyright {
  font-size: 0.67em;
  opacity: 0.6;
  color: #fff;
}
footer section .copyright a {
  color: #fff;
}
footer section a {
  display: inline-block;
}
/* ---フッター---- */

/* --------------資料ダウンロードフォーム------------ */


/* --------------資料ダウンロードThanksページ------------ */

#et-lp_thanks {
  display: flex;
  align-items: center;
  min-height: calc(100vh - 170px);
}
#et-lp_thanks section {
  width: 90vw;
  max-width: 950px;
  margin: 50px auto;
  line-height: 1.8;
}
#et-lp_thanks section h1 {
  text-align: center;
  padding: 25px 0 0;
  font-size: 2.5rem;
}
#et-lp_thanks section div {
  text-align: center;
  width: 80%;
  margin: 50px auto;
  font-size: 1rem;
  margin-top: 1rem;
}

.rp-only {
  display: none;
}
@media screen and (max-width: 768px) {
  .rp-only {
    display: block;
  }
  #et-lp_thanks section h1 {
  font-size: 2.2rem;
}
}/* --------------資料ダウンロードThanksページ------------ */