body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    height: 100%;
    overflow-y: auto;
}

.support-container {
    width: 80%;
    margin: 0 auto;
}

.support-header {
    background: url('../images/support_main02.jpg') no-repeat center center;
    background-size: cover;
    text-align: center;
    margin-bottom: 20px;
    padding: 40px 0;
    width: 100vw; /* 画面幅いっぱいに設定 */
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    height: 870px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.support-header-content {
    display: inline-block;
    padding: 20px;
    border-radius: 10px;
}

.support-header h1 {
    text-shadow: 2px 2px 10px #fff, -2px 2px 10px #fff, 2px -2px 10px #fff, -2px -2px 10px #fff;
    font-family: 'Noto Serif JP', serif;
    font-size: 59px;
}

.highlight {
    font-weight: bold;
    font-size: 64px;
}

.support-content {
    margin-bottom: 20px;
    margin: 0 20px;
}

.support-media-strategy {
    text-align: center;
    margin: 50px 0;
}

.support-media-strategy img {
    width: auto; /* 親要素の幅に合わせる */
    height: auto; /* 高さを自動調整 */
    object-fit: none; /* 画像を引き延ばさずにフィットさせる */
    display: block;
    margin: 0 auto;
}

.support-title{
    font-size: 48px;
    text-align: center;
    padding-top: 55px;
}

.support-date{
    text-align: center;
    padding-bottom: 65px;
}

.support-media-strategy h2 {
    font-size: 35px;
    color: #fff;
    text-shadow: 2px 2px 10px #000, -2px 2px 10px #000;
}

.support-skills, .support-software {
    margin-bottom: 20px;
}

.support-skills h3, .support-software h3 {
    font-weight: bold;
    font-size: 28px;
    margin: 0 0 10px 30px;
    color: #666;
}

.support-skills ul, .support-software ul {
    list-style-type: none;
    padding: 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.support-skills li, .support-software li {
    font-size: 18px;
    padding: 20px 20px 20px 40px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    background-image: url('../images/checkmark_image.png');
    background-repeat: no-repeat;
    background-position: 4px center;
    background-size: 40px 40px;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .support-container {
        width: 90%;
    }

    .support-header {
        padding: 30px 0;
        
    }

    .support-header h1 {
        font-size: 32px;
    }

    .highlight {
        font-size: 26px;
    }

    .support-media-strategy img {
        width: 100%; /* 親要素の幅に合わせる */
        height: 1910px; /* 高さを自動調整 */
        display: block;
        margin: 0 auto;
    }

    .support-media-strategy h2 {
        font-size: 18px;
    }



    .support-skills ul, .support-software ul {
        grid-template-columns: 1fr;
    }

    .support-skills li, .support-software li {
        padding: 15px 15px 15px 30px;
        background-size: 30px 30px;
    }
}


@media (max-width: 768px) {
    .support-container {
        width: 95%;
    }

    .support-header {
        padding: 20px 0;
        height: 867px;
    }

    .support-header h1 {
        font-size: 48px;
    }

    .highlight {
        font-size: 48px;
    }
    

    
    .support-media-strategy h2 {
        font-size: 16px;
    }

    .support-skills li, .support-software li {
        background-size: 20px 20px;
        background-position: 5px center;
    }
}

@media (max-width: 480px) {
    .support-header h1 {
        font-size: 30px;
    }

    .highlight {
        font-size: 26px;
    }

    .support-media-strategy h2 {
        font-size: 14px;
    }

    .support-media-strategy img {
        width: 100%; /* 親要素の幅に合わせる */
        height: auto; /* 高さを自動調整 */
        display: block;
        margin: 0 auto;
        object-fit: cover; 
    }


    .support-skills li, .support-software li {
        padding: 8px 8px 8px 16px;
        background-size: 15px 15px;
        background-position: 5px center;
    }
}

@media screen and (max-width:425px) {
    .support-title {
        font-size: 36px; 
    }
}

@media screen and (max-width:375px) {
    .support-header h1{
        font-size: 26px;
    }

    .highlight {
        font-size: 22px;
    }
}

@media screen and (max-width:320px) {
    .support-header h1{
        font-size: 24px;
    }

    .highlight {
        font-size: 18px;
    }

    .support-title {
        font-size: 28px; 
    }
}