@charset "UTF-8";

/* ==========================================================================
   Layout Styles (layout.css)
   ========================================================================== */

/* Main Container */
.l-container {
    max-width: 1264px;
    margin: 0 auto;
    width: 100%;
    padding: 0 20px;
}

.l-container--narrow1 {
    max-width: 920px;
    padding: 0 20px;
    margin: 0 auto;
    width: 100%;
}

.l-container--narrow2 {
    max-width: 880px;
    padding: 0 20px;
    margin: 0 auto;
    width: 100%;
}

.l-container--narrow3 {
    max-width: 640px;
    padding: 0 20px;
    margin: 0 auto;
    width: 100%;
}

.l-container--no-padding {
    padding: 0;
}


/* Main Area */
.l-main {
    padding: 80px 0 160px;
}

@media screen and (max-width: 768px) {
    .l-main {
        padding: 40px 0 80px;
        min-height: auto;
    }
}

/* 2カラムレイアウト（メイン＋サイドバー） */
.l-content-grid {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.l-content-main {
    flex: 1;
    min-width: 0;
}

.l-content-side {
    width: 280px;
    flex-shrink: 0;
    align-self: stretch;
}

@media screen and (max-width: 768px) {
    .l-content-grid {
        flex-direction: column;
        gap: 32px;
    }

    .l-content-main {
        width: 100%;
    }

    .l-content-side {
        width: 100%;
    }
}

/* ==========================================================================
   Grid System (.l-grid / .l-grid--2col / .l-grid--3col)
   ========================================================================== */
.l-grid {
    display: grid;
    gap: 24px;
    width: 100%;
}

.l-grid--2col {
    grid-template-columns: repeat(2, 1fr);
}

.l-grid--3col {
    grid-template-columns: repeat(3, 1fr);
}

@media screen and (max-width: 768px) {

    .l-grid--2col,
    .l-grid--3col {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Sidebar Component (.c-sidebar)
   ========================================================================== */
.c-sidebar {
    width: 100%;
    max-width: 280px;
    position: sticky;
    top: 40px;
}

/* SP時の「目次」ヘッダー (PCでは非表示) */
.c-sidebar__header {
    display: none;
}

.c-sidebar__title {
    font-size: 18px;
    font-weight: 700;
    color: #7C1649;
    /* deep-magenta */
    margin: 0;
    line-height: 1.8;
}

.c-sidebar__list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid #BBC4CA;
}

.c-sidebar__item {
    border-bottom: 1px solid #BBC4CA;
}

.c-sidebar__link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 24px 0;
    color: #333333;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    transition: color 0.2s ease;
}

.c-sidebar__link:hover {
    color: #7C1649;
    text-decoration: underline;
}

.c-sidebar__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: #7C1649;
    border-radius: 50%;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.c-sidebar__icon::after {
    content: "";
    display: block;
    width: 5px;
    height: 5px;
    border-right: 1.5px solid #FFFFFF;
    border-bottom: 1.5px solid #FFFFFF;
    transform: rotate(45deg) translate(-1px, -1px);
}

.c-sidebar__link:hover .c-sidebar__icon {
    transform: scale(1.1);
}

/* SPスタイル (sidebar-sp.json / sidebar-sp.png 準拠) */
@media screen and (max-width: 768px) {
    .c-sidebar {
        max-width: 100%;
        background-color: #EFEFEF;
        border-radius: 16px;
        padding: 20px 16px 20px;
        position: static;
    }

    .c-sidebar__header {
        display: block;
        padding-bottom: 10px;
        border-bottom: 1px solid rgba(187, 196, 202, 0.6);
    }

    .c-sidebar__list {
        border-top: none;
    }

    .c-sidebar__item {
        border-bottom: 1px solid rgba(187, 196, 202, 0.6);
    }

    .c-sidebar__link {
        padding: 12px 0;
    }
}