body{
    margin: 0;
    background-color: #eaf3f7;
    color: #2f3e4d;
    font-family: "Noto serif JP" , serif;
}

header{
    width: 100%;
padding: 24px 8%;
}
header nav{
    display: flex;
    justify-content: flex-end;
    gap: 40px;
}
header a{
    color: #263b4b;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 0.1em;
}
.work-title{
    text-align: left;
    width: 88%;
    margin: 0 auto;
    padding: 60px 0 30px;
}
.title-main{
    display: flex;
    align-items: center;
    gap: 40px;
}
.title-main h1{
    font-size: 36px;
    font-weight: normal;
    color: #263b4b;
    margin: 15px 0;
}
.work-number{
    display: flex;
    align-items: center;
    gap: 15px;
    color: #263b4b;
    font-size: 13px;
    letter-spacing: 0.25em;
}
.work-number::after{
    content: "";
    width: 200px;
    height: 1px;
    background-color: #9aafbf;
    opacity: 0.7;
}
.section-title{
    font-size: 20px;
    font-weight: normal;
    letter-spacing: 0.12em;
    color: #526d83;
    border-bottom: 1px solid #9aafbf;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
/*オーバービュー*/
.overview{
    display: flex;
    align-items: flex-start;
    gap: 40px;
    width: 90%;
    margin: 0 auto;
}
.overview-image{
    width: 58%;
    height: auto;
    flex-shrink: 0;
    overflow: visible;
}
.overview-image img{
    width: 100%;
    max-width: 650px;
    height: auto;
    display: block;
    object-fit: contain;
}
.overview-text{
    flex: 1;
    min-width: 0;
}
.overview-text p{
    font-size: 14px;
    line-height: 1.9;
    color: #263b4b;
    margin-bottom: 35px;
}
.production-info p{
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 8px;
}
.production-info span{
    display: inline-block;
    width: 90px;
    border-right: 1px solid #9aafbf;
    margin-right: 15px;
    padding-right: 15px;
}
.concept{
    width: 88%;
    margin: 80px auto;
}
.concept-design{
    display: flex;
    justify-content: space-between;
    gap: 40px;
    width: 90%;
    margin: 60px auto;
}
.concept-text{
    font-size: 14px;
    line-height: 1.9;

}
.concept,
.design-point{
    width: 50%;
}
.point-item{
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 15px;
}
.comparison{
    display: flex;
    align-items: center;
    gap: 25px;
    margin-top: 25px;
    margin-left: 20px;
}
.comparison-item{
    width: 20%;
    flex-shrink: 0;
    text-align: center;
}
.comparison-item img{
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}
.change-arrow{
    font-size: 25px;
}
.change-text{
    flex: 1;
    font-size: 14px;
    margin-left: 25px;
    line-height: 1.9;
    border-left: 1px solid #aeb8c4;
    padding-left: 25px;
}
/*バックトゥーホーム*/
.back-to-home{
    text-align: center;
    margin: 60px auto 80px;
}
.back-to-home a{
    display: inline-block;
    padding: 14px 55px;
    border: 1px solid #263b4b;
    color: #263b4b;
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    transform: 0.3s;
}
.back-to-home a:hover{
    background: #263b4b;
    color: #fff;
}