@charset "UTF-8";

/* --- 共通レイアウト --- */
.under-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 20px 0;
    max-width: 1200px;
    margin: 0 auto;
}
.side-left { width: 250px; flex-shrink: 0; }
.under-main { width: 920px; flex-shrink: 0; }

.system-main-title {
    background-color: #3ec6f0;
    color: #fff;
    padding: 12px 20px;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 25px;
    text-align: left;
}

/* --- イベントページ固有スタイル --- */
.event-page-container {
    background-color: #fff;
    padding-bottom: 50px;
    border: 1px solid #ddd;
    box-sizing: border-box;
    text-align: left;
}

.event-item {
    margin: 0 20px 40px;
    border: 1px solid #3ec6f0;
    border-radius: 4px;
    overflow: hidden;
}

.event-header {
    background-color: #f8f8f8;
    padding: 12px 15px; /* 上下を少し広げてゆとりを */
    border-bottom: 1px solid #eee;
}

.event-title {
    font-size: 18px; /* 少し大きく */
    font-weight: bold;
    margin: 0;
}

.event-banner img {
    width: 100%;
    height: auto;
    display: block;
}

.event-detail-box {
    padding: 20px 30px; /* 上下の余白を少し詰めました */
    text-align: left;
}

.detail-caption {
    font-size: 18px;
    margin-bottom: 15px;
    color: #3ec6f0;
    font-weight: bold;
    display: block;
    border-bottom: 2px solid #3ec6f0;
    padding-bottom: 8px;
}

.event-intro {
    line-height: 1.6; /* ★2から1.6に修正（空きすぎを解消） */
    font-size: 15px;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    text-align: left !important;
    margin: 0;
}