#tech {
    padding: 13em 0 1em;
}
.tech-hero-content {
    display: grid;
    grid-template-columns: 3fr 2.5fr;
    gap: 30px;
    align-items: center;
    padding: 70px 0 0;
}
.tech-hero-title {
    font-weight: 600;
    margin-bottom: 40px;
}
.tech-hero-title-line1 {
    display: block;
    font-size: 30px;
    margin-bottom: 10px;
}
.tech-hero-title-line2 {
    display: block;
    font-size: 32px;
}
.tech-hero-description {
    line-height: 35px;
    margin-top: 50px;
}
.tech-hero-description p {
    text-align: center;
}
.tech-hero-image {
    position: relative;
}
.tech-hero-img {
    width: 100%;
}


/* CTA Section リンク */
.cta-section {
    padding: 50px 0 120px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
}
.cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 30px;
    border: 1px solid #94938f;
    color: #707070;
    text-decoration: none;
    font-weight: 500;
    font-size: 18px;
    transition: all 0.3s ease;
    min-width: 300px;
    justify-content: space-between;
}
.cta-btn img {
    width: 6%;
}
.cta-buttons i {
    font-size: 15px;
    color: #03528c;
}
.cta-buttons a:hover,
.cta-buttons a:hover path,
.cta-buttons i:hover {
    /* background-color: #03528c; */
    background-color: #333333; /* #03528c から変更 */
    color: white;
    /* border-color: #03528c; */
    border-color: #333333;
    stroke: #fff;
}

a.cta-btn:hover i {
    color: white;
}
.cta-icon {
    width: 20px;
    height: 20px;
}
.cta-icon.external {
    width: 16px;
    height: 16px;
    color: #03528C;
}



/* 技術情報 */
#tech-info-section {
    background-color: #f5f5f5;
    padding: 120px 0 100px;
}
.tech-info-category {
    font-weight: 700;
    font-size: 24px;
    margin: 10px 0;
    color: #707070;
}
.tech-info-line {
    width: 50px;
    height: 5px;
    background-color: #004EA2;
    margin-bottom: 30px;
    border-radius: 3px;
}

.tech-content {
    background: #fff;
    padding: 60px 0;
    margin: 70px 0 0;
}
.tech-content h3 {
    font-size: 20px;
    color: #707070;
    margin: 0 0 50px;
}
.tech-content h3 span {
    font-size: 16px;
    margin: 0px 20px 5px;
    vertical-align: middle;
    display: inline-block;
    font-weight: 500;
}
.tech-content h4 {
    font-size: 20px;
    font-weight: 500;
    margin: 30px 0;
    color: #707070;
}
.tech-content p {
    line-height: 35px;
    margin: 0;
}
.tech-content_text {
    width: 53%;
}
.tech-content_image {
    width: 47%;
}
.tech-content_image img {
    width: 100%;
    margin-bottom: 30px;
}
.tech-detail {
    display: flex;
    gap: 40px;
    margin: 30px 10px;
    align-items: end;
}
.tech-illust {
    text-align: center;
}
.tech-illust img {
    width: 100%;
}
.reverse {
    flex-flow: row-reverse;
}


#equipment {
    margin: 120px auto 0;
}
.equipment-content {
    border-bottom: 1px solid #d9d9d9;
    padding: 0 0 30px;
}
.equipment-image {
    border-bottom: none;
    margin: 30px 30px 60px;
    display: flex;
    gap: 30px;
}
.equipment-image img {
    width: 48%;
    height: 48%;
    margin: 0 auto;
}



/* FAQ */
#faq {
    background-color: #eee;
    padding: 120px 0 80px;
}
.faq-header {
    text-align: center;
    margin-bottom: 60px;
}
.faq-title {
    font-size: 32px;
    color: #707070;
    margin-bottom: 15px;
}
.faq-subtitle {
    font-size: 18px;
    color: #707070;
    margin-bottom: 20px;
}
.faq-line {
    height: 1px;
    background-color: #333333;
    margin: 0 auto;
    width: 40%;
}
.faq-list {
    max-width: 1050px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid #C8C7C2;
    padding: 20px 0;
}
.faq-question {
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: color 0.3s ease;
}
.faq-question:hover {
    color: #03528c;
}
.faq-q {
    font-weight: 500;
    font-size: 30px;
    color: #03528c;
    min-width: 40px;
}
.faq-text {
    font-weight: 600;
    font-size: 20px;
    color: #707070;
    flex: 1;
}
.faq-icon {
    width: 40px;
    height: 25px;
    transition: transform 0.3s ease;
}
.faq-item.active .faq-icon {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, opacity 0.5s ease, padding 0.5s ease;
    opacity: 0;
    padding: 0px 80px 0px 70px;
}
.faq-item.active .faq-answer {
    max-height: 260px;
    opacity: 1;
    padding: 20px 80px 0px 70px;
}
.faq-answer p {
    font-size: 18px;
    line-height: 35px;
    color: #333333;
}


/* 問い合わせbtn */
.btn_contact {
    font-size: 20px;
    font-weight: 500;
    color: #707070;
    text-align: center;
    margin-top: 70px;
    margin-bottom: 50px;
}
.btn_contact span {
    transform: scaleX(-1);
    display: inline-block;
}
.btn_contactbtn a{
    background: #004EA2;
    color: #fff;
    font-size: 24px;
    /*width: 400px; */
    height: 80px;
    text-align: center;
    padding: 0 120px;
    margin: 30px auto;
    display: inline-block;
    line-height: 80px;
}
.btn_contactbtn a:hover {
    background: #fff;
    color: #004EA2;
    border: 1px solid #004EA2;
    transition: all 0.3s ease;
}



/* レスポンシヴ */
@media (max-width: 820px) {
    .tech-detail {
        align-items: center;
    }
    .tech-hero {
        padding: 10px 0;
    }
    .tech-hero-img {
        width: 100%;
        height: auto;
    }
    .tech-hero-title-line1 {
        font-size: 22px;
    }
    .tech-hero-title-line2 {
        font-size: 25px;
    }
    .tech-detail {
        flex-direction: column-reverse;
    }
    .tech-content_text,
    .tech-content_image {
        width: 100%;
    }
    .tech-info-category {
        margin: 10px 0 10px;
        color: #707070;
    }
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-title-line1 {
        font-size: 28px;
    }
    .hero-title-line2 {
        font-size: 32px;
    }
    .hero-description {
        font-size: 16px;
        line-height: 32px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .cta-btn {
        width: 100%;
        max-width: 300px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    .footer-nav {
        flex-direction: column;
        gap: 30px;
    }
}


@media (max-width: 480px) {
    #tech {
        padding: 9em 0 1em;
    }
    .wrapper {
        padding: 0;
    }
    .hero {
        padding: 40px 0;
    }
    .hero-title-line1 {
        font-size: 24px;
    }
    .hero-title-line2 {
        font-size: 28px;
    }
    .hero-description {
        font-size: 14px;
        line-height: 28px;
    }
    #tech-info-section {
        padding: 80px 0 50px;
    }
    .tech-hero-content {
        grid-template-columns: none;
        gap: 0;
    }
    .tech-hero-description p {
        text-align: left;
    }
    .tech-content {
        margin: 40px 0 80px;
        padding: 30px 15px;
    }
    .tech-detail {
        gap: 0px;
        margin: 0;
    }
    .section-main-title {
        font-size: 32px;
    }
    .section-title-text {
        font-size: 28px;
    }
    #equipment {
        margin: 80px auto 0;
    }
    .equipment-image {
        flex-direction: column;
        margin: 50px 0px;
    }
    .equipment-image img {
        width: 100%;
        height: auto;
    }

    #faq {
        padding: 80px 0 10px;
    }
    .faq-title {
        font-size: 28px;
    }
    .faq-q {
        font-size: 20px;
    }
    .faq-text {
        font-size: 16px;
    }
    .faq-answer {
        padding: 20px 10px 0px 33px;
    }
    .faq-item.active .faq-answer {
        padding: 20px 10px 0px 33px;
    }
    .faq-answer p {
        font-size: 16px;
        line-height: 28px;
    }
    .faq-question {
        gap: 4px;
    }

    .btn_contact {
        font-size: 15px;
    }
    .btn_contactbtn a {
        padding: 0 80px;
        margin: 20px auto;
    }
}




/* Interactive Elements */
.faq-item {
    cursor: pointer;
}

.faq-item:hover .faq-question {
    color: #03528c;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}