@charset "utf-8";

/* --- 1. 基本設定（サイト全体） --- */
body {
    margin: 0;
    padding: 0;
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* 画像の基本ルール */
img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

/* --- 2. 汎用ユーティリティクラス --- */
.my-10 { margin: 10px 0; }
.my-15 { margin: 15px 0; }
.my-20 { margin: 20px 0; }

.mt-10 { margin-top: 10px; }
.mt-15 { margin-top: 15px; }
.mt-20 { margin-top: 20px; }

.mb-10 { margin-bottom: 10px; }
.mb-15 { margin-bottom: 15px; }
.mb-20 { margin-bottom: 20px; }

.mx-10 { margin: 0 10px; }
.mx-15 { margin: 0 15px; }
.mx-20 { margin: 0 20px; }

.ta-l { text-align: left; }
.ta-c { text-align: center; }
.ta-r { text-align: right; }

.fw-b { font-weight: bold; }
.tc-4 { color: #ff0000; }

.indent {
    display: block;
    text-indent: 1em;
    padding-left: 0;
    margin-bottom: 0.5em;
}

/* --- 3. アコーディオン（details/summary） --- */
details {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 0;
    margin-bottom: 20px;
}

details summary {
    font-weight: bold;
    cursor: pointer;
    padding: 8px 12px;
    padding-left: 32px; /* アイコン分の余白 */
    background-color: #fafafa;
    position: relative;
    list-style: none;
    border-radius: 4px;
}

details summary::before {
    content: "▶";
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
}

details[open] summary::before {
    content: "▼";
}

details summary:hover {
    background-color: #f0f0f0;
}

details[open] summary {
    background-color: #f5f5f5;
}

details > div {
    padding: 15px 0;
}

/* PDF iframe 共通 */
details iframe {
    width: 100%;
    height: 1200px;
    border: none;
    display: block;
}

/* --- 4. 共通フッター --- */
#taxi-footer {
    background-color: #002147;
    color: #fff;
    padding: 15px 0 0;
    text-align: center;
}

#taxi-footer .footer-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
    list-style: none;
    padding: 0;
}

#taxi-footer a {
    font-size: 14px;
    color: #fff;
    padding: 6px 8px;
    display: inline-block;
}

#taxi-footer a:hover {
    text-decoration: underline;
}

#taxi-footer small {
    display: block;
    border-top: 1px solid #fff;
    margin: 10px auto 0;
    padding: 8px 0 0;
    font-size: 80%;
    line-height: 1.2;
    color: #fff;
    max-width: 900px;
    text-align: center;
}

/* スマホ用フッター調整 */
@media screen and (max-width: 768px) {
    #taxi-footer .footer-group {
        display: block;
    }
    #taxi-footer .footer-group li {
        margin-bottom: 12px;
    }
}