/* 例：コンテンツの最大幅を画面幅に合わせる */
.container {
    width: 100%;
    max-width: 800px; /* パソコンでの最大幅 */
    margin: 0 auto;
}

/* 例：画像がはみ出ないようにする */
img {
    max-width: 100%;
    height: auto;
}

@media (max-width:600px) {
   body {
        font-size: 16px; /* スマホ用に文字サイズを調整 */
    }
    .main-content {
        padding: 10px;
    }
}

/* Mobile readability: site-wide */
@media screen and (max-width: 700px) {
    html {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }

    body {
        min-width: 0 !important;
        margin: 0 !important;
        padding: 10px 12px 24px !important;
        box-sizing: border-box;
        font-size: 17px !important;
        line-height: 1.7 !important;
        overflow-x: hidden;
    }

    body, table, tbody, thead, tfoot, tr, td, th,
    p, div, span, font, li, dt, dd, blockquote,
    input, select, textarea, button {
        font-size: inherit !important;
        line-height: 1.7 !important;
    }

    h1 { font-size: 1.55rem !important; line-height: 1.35 !important; }
    h2 { font-size: 1.35rem !important; line-height: 1.4 !important; }
    h3 { font-size: 1.18rem !important; line-height: 1.45 !important; }
    small { font-size: 0.88rem !important; }

    table {
        max-width: 100% !important;
    }

    td, th {
        height: auto !important;
        overflow-wrap: anywhere;
        word-break: normal;
    }

    img, video, iframe, object, embed {
        max-width: 100% !important;
        height: auto !important;
    }

    a {
        overflow-wrap: anywhere;
    }

    /* Hide the access counter only on smartphone screens. */
    img[src*="counter.cgi"],
    img[src*="/counter/"] {
        display: none !important;
    }
}



/* Requested smartphone refinements */
@media screen and (max-width: 700px) {
    /* Hide installation and last-updated dates on the smartphone top page. */
    .mobile-hide-site-date {
        display: none !important;
    }

    /* Osaka page: allow all legacy table text to wrap and remain readable. */
    body.osaka-page table,
    body.osaka-page tbody,
    body.osaka-page tr,
    body.osaka-page td,
    body.osaka-page th,
    body.osaka-page p,
    body.osaka-page font,
    body.osaka-page span,
    body.osaka-page a {
        white-space: normal !important;
        max-width: 100% !important;
        overflow-wrap: anywhere !important;
        word-break: normal !important;
        box-sizing: border-box !important;
    }

    body.osaka-page > table {
        width: 100% !important;
        table-layout: fixed !important;
    }

    body.osaka-page td[nowrap],
    body.osaka-page th[nowrap] {
        white-space: normal !important;
    }

    /* Give the embedded Google Calendar more vertical room on phones. */
    body.osaka-page iframe.osaka-calendar {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        height: 400px !important;
        min-height: 400px !important;
        margin: 12px 0 18px !important;
    }
}

/* Mobile layout corrections: Osaka full-width and compact top-page contact area */
@media screen and (max-width: 700px) {
    body.osaka-page {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }

    /* Stack the legacy Osaka page tables so no fixed-width column pushes the page right. */
    body.osaka-page > table,
    body.osaka-page > table > tbody,
    body.osaka-page > table > tbody > tr,
    body.osaka-page > table > tbody > tr > td {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    body.osaka-page table {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        table-layout: auto !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }

    body.osaka-page td,
    body.osaka-page th {
        width: auto !important;
        max-width: 100% !important;
        min-width: 0 !important;
        padding-left: 4px !important;
        padding-right: 4px !important;
    }

    body.osaka-page form,
    body.osaka-page select {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    body.osaka-page iframe {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* The date/counter row is hidden completely, so it leaves no blank height. */
    .mobile-contact-footer tr:first-child {
        display: none !important;
    }

    .mobile-contact-footer {
        margin-top: 0 !important;
        padding-top: 0 !important;
        border-top: 0 !important;
    }

    .mobile-contact-footer td {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }

    .mobile-intro {
        padding-bottom: 0 !important;
        margin-bottom: 0 !important;
    }
}