/* Base Styles */
        :root {
            --primary-blue: #014EA8;
            --light-blue: #F2F5F9;
            --text-dark: #222;
            --accent-red: #C00D1E;
            --border-gray: #C7C7C7;
            --font-gray: #68788D;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
                "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
            line-height: 1.6;
            color: var(--text-dark);
            background-color: #fff;
        }

        .container {
            max-width: 1312px;
            padding: 0 16px;
            margin: auto;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .underline {
            text-decoration: underline;
        }

        .sp {
            display: none;
        }

        .pc {
            display: block;
        }

        .l-pageTitle {
            display: none;
        }

        .l-section__inner {
            max-width: 100%;
            padding: 0;
            margin: unset;
        }

        .l-pageTitle+.l-section {
            padding: 0px 0 80px 0 !important;
        }

        /* Hero Banner */
        .hero {
            width: 100%;
            height: 180px;
            background-color: #fff;
            overflow: hidden;
            position: relative;
            margin-bottom: 30px;
        }

        .hero>.container {
            position: relative;
            max-width: 1312px;
            height: 100%;
            margin: 0 auto;
            padding: 0;
            z-index: 2;
        }

        .hero img {
            position: absolute;
            top: 0;
            left: 45%;
            transform: translateX(-50%);
            min-width: 1920px;
            height: 180px;
            object-fit: cover;
            z-index: 1;

            /* 画像の両端をふわっと消す */
            mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
            -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
        }

        .hero h1 {
            position: absolute;
            top: 50%;
            left: 20px;
            transform: translateY(-50%);
            background-color: rgba(59, 80, 108, 0.6);
            color: #fff;
            padding: 10px 20px;
            margin: 0;
            font-size: clamp(14px, 2vw, 34px);
            white-space: nowrap;
            z-index: 10;
        }

        /* Intro Section */
        .intro {
            margin-bottom: 120px;
        }

        .intro p {
            margin-bottom: 40px;
            font-size: 25px;
            text-align: justify;
            line-height: 1.5;
        }

        .anchor-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
            margin-top: 30px;
        }

        .anchor-links a {
            color: var(--primary-blue);
            text-decoration: none;
            font-size: 18px;
            display: flex;
            align-items: center;
            text-decoration: underline;
        }

        .anchor-links a:hover {
            text-decoration: none;
        }

        /* syleCss対応 */
        .m-link-anchor__item {
            flex: unset !important;
            max-width: unset !important;
            border-bottom: unset !important;
            min-width: unset !important;
        }

        /* Section Titles */
        .section-label {
            color: var(--accent-red);
            font-weight: bold;
            font-size: 18px;
            margin-bottom: 5px;
            display: block;
        }

        .section-title {
            font-size: 40px;
            padding-bottom: 10px;
            margin-bottom: 50px;
            font-weight: 500;
            line-height: 1.4;
        }

        /* Challenges Section */
        #challenges,
        #solutions,
        #features {
            margin-bottom: 120px;
        }

        .challenges-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: flex-start;
        }

        .challenge-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 0 0 30px;
            min-height: 176px;
        }

        .challenge-icon {
            width: 70px;
            flex-shrink: 0;
        }

        .challenge-content {
            min-height: 145px;
        }

        .challenge-content h3 {
            font-size: 20px;
        }

        .challenge-content p {
            font-size: 18px;
        }

        .dashed-line {
            width: 100%;
            height: 1px;
            background-image: linear-gradient(to right, #C7C7C7 50%, transparent 50%);
            background-size: 8px 1px;
            background-repeat: repeat-x;
        }

        /* Solution Section */
        /* タブボタンのスタイル */
        .tab {
            padding: 20px;
            background-color: var(--light-blue);
        }

        .tab-menu {
            display: flex;
            gap: 10px;
            margin-bottom: 30px;
            align-items: flex-end;
        }

        .tab-btn {
            flex: 1;
            padding: 9px;
            text-align: center;
            cursor: pointer;
            border-radius: 4px;
            border: 1px solid var(--font-gray);
            background-color: #fff;
            color: var(--font-gray);
            font-size: 20px;
            box-sizing: border-box;
        }

        .tab-btn.active {
            flex: 1.2;
            padding: 20px 10px;
            background-color: var(--primary-blue);
            color: #fff;
            font-weight: bold;
        }

        /* コンテンツ表示切り替え */
        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* レイアウト構造 */
        .drone-layout {
            display: flex;
            gap: 30px;
            align-items: flex-start;
        }

        /* 左側メイン画像 */
        .drone-main-visual {
            flex: 0 0 460px;
            text-align: center;
        }

        .drone-main-visual img {
            max-width: 100%;
            height: auto;
        }

        .drone-main-visual p {
            margin-top: 10px;
            font-weight: bold;
        }

        /* 右側カードグリッド */
        .product-grid {
            flex: 2;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .product-grid a {
            color: #222;
        }

        .product-grid a:hover {
            color: var(--primary-blue);
            text-decoration: underline;
        }

        .product-grid2 {
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            border-radius: 4px;
            padding: 15px;
            margin-bottom: 20px;
            max-width: 780px;
        }

        .product-grid2 a {
            color: #222;
        }

        .product-grid2 a:hover {
            color: var(--primary-blue);
            text-decoration: underline;
        }

        .product-card {
            width: 100%;
            min-height: 148px;
            background-color: #fff;
            padding: 15px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
            box-sizing: border-box;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .product-card .thumb {
            flex: 0 0 120px;
            text-align: center;
        }

        .product-card .thumb img {
            max-width: 100%;
            height: auto;
        }

        .product-card .info {
            flex: 1;
        }


        .product-card2 {
            display: grid;
            list-style: none;
            padding: 0;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        }

        .product-card2 li {
            flex: 1;
            text-align: center;
            padding: 20px 10px;
            position: relative;
            margin-bottom: 20px;
        }

        .product-card2 li:not(:last-child)::after {
            content: "";
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            border-right: 2px dotted #C7C7C7;
        }

        .product-title {
            display: inline-block;
            font-size: 1.1rem;
            font-weight: bold;
            margin-bottom: 5px;
        }

        .product-card2 .thumb {
            width: 100%;
        }

        .product-card2 .thumb img {
            max-width: 100px;
            height: auto;
            display: block;
            margin: 0 auto;
        }


        /* Feature Section */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--light-blue);
            padding: 20px;
            border-radius: 10px;
        }

        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .feature-card h3::before {
            content: "■";
            color: var(--accent-red);
        }

        .feature-card p {
            font-size: 16px;
        }

        /* Contact Section */
        .contact-section {
            text-align: center;
            padding: 60px 0;
        }

        .contact-text {
            font-size: 25px;
            margin-bottom: 25px;
        }

        .btn-contact {
            display: inline-block;
            background-color: var(--accent-red);
            border: 1px solid var(--accent-red);
            color: #fff;
            padding: 30px 70px;
            border-radius: 70px;
            text-decoration: none;
            transition: opacity 0.3s;
            font-size: 30px;
        }

        .btn-contact:hover {
            color: var(--accent-red);
            background: #fff;
        }


        /* Responsive */
        @media (max-width: 1020px) {
            .product-card2 li:not(:last-child)::after {
                border-right: unset;
            }
        }

        @media (max-width: 900px) {
            .drone-layout {
                flex-direction: column;
                align-items: center;
            }

            .drone-main-visual {
                position: static;
                flex: 1;
                width: 100%;
                max-width: 500px;
                margin: 0 auto;
            }

            .product-grid {
                justify-content: center;
            }

            .product-card2 li:not(:last-child)::after {
                border-right: 2px dotted #C7C7C7;
            }

            .hero img {
                left: 30%;
            }

            .btn-contact {
                padding: 20px 30px;
                font-size: 16px;
            }

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

        }

        @media (max-width: 768px) {
            .hero h1 {
                left: 0;
            }

            .hero img {
                left: 25%;
            }

            .challenge-content {
                min-height: unset;
            }

            .challenge-content h3 {
                font-size: 18px;
            }

            .challenge-content p {
                font-size: 16px;
            }

            .intro p {
                font-size: 18px;
            }

            .challenge-icon {
                width: 50px;
            }

            .anchor-links {
                justify-content: flex-start;
                margin-top: 30px;
                gap: 15px;
            }

            .challenges-grid,
            .feature-grid {
                grid-template-columns: 1fr;
            }

            .product-grid {
                display: block;
                /* grid-template-columns: 1fr; */
            }

            .product-card {
                margin-bottom: 20px;
            }

            .product-categories {
                padding: 16px;
            }

            .section-title {
                font-size: 25px;
                margin-bottom: 30px;
            }

            .product-grid2 {
                padding: 15px;
            }

            .product-card2 {
                flex-direction: column;
                align-items: flex-start;
                margin: 0;
            }

            .product-card2 li {
                padding: 0px 10px;
            }

            .product-card2 li:last-child {
                border-bottom: none;
            }


            .challenge-item {
                min-height: unset;
            }

            .tab {
                padding: 15px;
            }

            .tab-btn {
                font-size: 16px;
            }

            .product-card .thumb {
                flex: 0 0 90px;
            }

            .product-card2 li:not(:last-child)::after {
                border-right: unset;
            }

            .l-breadcrumb {
                margin-top: 0;
            }


            /* styleCss対応 */
            main {
                flex-direction: column !important;
            }
        }

        @media (max-width: 767px) {
            .hero {
                height: 100px;
            }

            .hero img {
                height: 100%;
                object-fit: cover;
                min-width: 767px;
                mask-image: unset;
                left: 50%;
            }

            .hero h1 {
                top: 50%;
            }
        }

        @media (max-width: 650px) {
            .hero img {
                left: 40%;
            }
        }

        @media (max-width: 550px) {

            .hero img {
                object-fit: contain;
            }
        }

        @media (max-width: 480px) {
            .hero img {
                left: 30%;
            }

            .product-card {
                max-width: 100%;
            }

            .product-card2 {
                grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
            }

            .product-card2 .thumb img {
                max-width: 80px;
            }

            .product-title {
                font-size: 14px;
                text-align: left;
            }

            .sp {
                display: block !important;
            }

            .pc {
                display: none !important;
            }
        }


        @media (max-width: 400px) {
            .hero img {
                left: 10%;
            }
        }