* {
    font-family: 'Inter', sans-serif;
    color: #403F3F;
    font-size: 15px;
    font-weight: normal;
    line-height: auto;
}

.u-pc {
    display: block !important;
}

.u-sp {
    display: none !important;
}

.inner {
    max-width: calc(1126px + 60px);
    margin-inline: auto;
    padding-inline: 30px;
}

.page-top {
    /* margin-top: 46px; */
    margin-left: 100px;
    padding-top: 126px;
    padding-bottom: 220px;
}

.page-title{
    font-size: 90px;
    color: #4CDBFC;
    font-weight: lighter;
    font-family: 'Poppins', sans-serif;
}

.page-text {
    font-size: 23px;
    margin-left: 6px;
    margin-top: 5px;
}

.features {
    display: flex;
    gap: 25px;
    align-items: center;
    position: absolute;
    top: -45px;
    z-index: 3;
}

.features-label {
    font-size: 70px;
    font-family: 'Poppins', sans-serif;
    font-weight: lighter;
    color: #45ABD9;
}

.features-text {
    font-size: 18px;
}

.service-top {
    display: flex;
    gap: 41px;
    margin-left: auto;
    padding-left: 30px;
    width: min(calc(1126px + (100% - 1126px) / 2 + 30px), 100%);
}

.service-features {
    margin-top: 80px;
    background-color: #F7F7F7;
}

.service-title {
    font-size: 32px;
    font-weight: normal;
    margin-bottom: 39px;
}

.service-title::before {
    content: "•";
    color: #0099BA;
    margin-right: 15px;
    font-size: 1.2em;
}

.service-text {
    font-size: 23px;
    color: #0099BB;
    margin-bottom: 32px;
}

.oa-inner {
    position: relative;
}

.oa-image {
    width: 45%;
    height: calc(45% * 638 / 384);
    z-index: 3;
    aspect-ratio: 638/384
}

.oa-features {
    position: relative;
}

.oa-features::before {
    content: '';
    background-image: url(images/service_image/decoration_left.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 430px;
    height: 430px;
    position: absolute;
    top: -150px;
    left: 0;
    z-index: 2;
}

.oa-features::after {
    content: '';
    background-image: url(images/service_image/decoration_right.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 430px;
    height: 430px;
    position: absolute;
    bottom: -150px;
    right: 0;
    z-index: 2;
}

.oa-features-items {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: 1fr 1fr;
    gap: 48px;
    padding-block: 105px 160px;
    padding-inline: 19px;
}

.features-item {
    border-radius: 10px;
    max-width: 520px;
}

.features-item img {
    width: 100%;
    position: relative;
    object-fit: cover;
    margin-bottom: 20px;
    aspect-ratio: 520/272;
    z-index: 2;
}

.features-item__title {
    font-size: 23px;
    margin-bottom: 10px;
    color: #0099BB;
}

.features-item__example {
    font-size: 18px;
    margin-bottom: 22px;
}

.construction-features {
    position: relative;
}

.construction-features::before {
    content: '';
    background-image: url(images/service_image/decoration_left.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 430px;
    height: 430px;
    position: absolute;
    top: -150px;
    left: 0;
    z-index: 2;
}   

.construction-features::after {
    content: '';
    background-image: url(images/service_image/decoration_right.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    width: 430px;
    height: 430px;
    position: absolute;
    bottom: -150px;
    right: 0;
    z-index: 2;
}

.construction-top {
    padding-block: 120px 0;
}

.construction-inner {
    position: relative;
}

.construction-features-items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding-block: 105px 160px;
    padding-inline: 19px;
}

.construction-image {
    width: 45%;
    z-index: 3;
    aspect-ratio: 638/384;
}

@media (max-width: 1152px) {
    .inner {
        padding-inline: 20px;
    }

    .page-top {
        margin-left: 0;
        padding-left: 20px;
    }
    
    /* タブレット用フォントサイズ調整 */
    .page-title {
        font-size: 70px; /* 90x → 70 */
    }
    
    .features-label {
        font-size: 56px; /* 70x → 56 */
    }
    
    .service-title {
        font-size: 28px; /* 32x → 28 */
    }
    
    .service-text {
        font-size: 20px; /* 23x → 20 */
    }
    
    .features-item__title {
        font-size: 20px; /* 23x → 20 */
    }
    
    .features-text,
    .features-item__example {
        font-size: 16px; /* 18x → 16 */
    }
    
    .page-text {
        font-size: 20px; /* 23x → 20px */
    }

    .features {
        top: -30px;
    }

    .oa-features::before {
        width: 250px;
        height: 250px;
        top: -100px;
    }   
    
    .oa-features::after {
        width: 250px;
        height: 250px;
        bottom: -100px;
    }

    .construction-features::before {
        width: 250px;
        height: 250px;
        top: -100px;
    }   
    
    .construction-features::after {
        width: 250px;
        height: 250px;
        bottom: -100px;
    }
}

@media (max-width: 767px) {
    .inner {
        padding-inline: 20px;
    }

    .u-pc {
        display: none !important;
    }

    .u-sp {
        display: block !important;
    }

    /* スマホ用フォントサイズ調整 */
    .page-title {
        font-size: 36px; /* 90x → 36 */
    }
    
    .features-label {
        font-size: 32px; /* 70x → 32 */
    }
    
    .service-title {
        font-size: 20px; /* 32x → 20 */
    }
    
    .service-text {
        font-size: 16px; /* 23x → 16 */
    }
    
    .features-item__title {
        font-size: 16px; /* 23x → 18 */
    }
    
    .page-text {
        font-size: 16px; /* 23x → 16 */
    }
    
    .features-text,
    .features-item__example {
        font-size: 14px; /* 18x → 14 */
    }

    /* 基本フォントサイズも調整 */
    * {
        font-size: 14px; /* 15x → 14px */
    }

    .page-top {
        margin-left: 0;
        padding-left: 10px;
        padding-bottom: 100px;
    }

    .service-top {
        flex-direction: column;
        gap: 20px;
        padding-inline: 20px;
        width: 100%;
    }

    .service-text {
        width: 100%;
        max-width: 450px;
        margin-inline: auto;
    }

    .service-explanation {
        width: 100%;
        max-width: 450px;
        margin-inline: auto;
    }

    .features {
        top: -20px;
        margin-left: 20px;
    }

    .features-items,
    .oa-features-items,
    .construction-features-items {
        display: flex;
        flex-direction: column;
        gap: 32px;
        padding-block: 40px;
        padding-inline: 0;
    }

    .features-item {
        max-width: 450px;
        width: fit-content;
        margin-inline: auto;
    }

    .oa-top {
        position: relative;
    }

    .oa-image {
        max-width: 450px;
        width: 100%;
        height: auto;
        margin-inline: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }

    .oa-features::before {
        width: 150px;
        height: 150px;
        top: -75px;
        left: 0;
    }   
    
    .oa-features::after {
        width: 150px;
        height: 150px;
        bottom: -75px;
        right: 0;
    }

    .construction-top {
        padding-block: 60px 0;
    }

    .construction-image {
        max-width: 450px;
        width: 100%;
        height: auto;
        margin-inline: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }

    .construction-features::before {
        width: 150px;
        height: 150px;
        top: -75px;
        left: 0;
    }   
    
    .construction-features::after {
        width: 150px;
        height: 150px;
        bottom: -44px;
        right: 0;
    }
}