/* =====================================================
   Past Concerts Page - 過去演奏会一覧ページ用スタイル
   ===================================================== */

/* ----- Header Solid Background ----- */
.header--solid {
    background: rgba(5, 38, 82, 0.95);
    box-shadow: var(--shadow-md);
}

/* ----- Page Header ----- */
.page-header {
    background: var(--gradient-primary);
    padding: 130px 0 60px;
    text-align: center;
    color: var(--color-white);
}

.page-header__title {
    font-family: var(--font-serif-en);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.page-header__subtitle {
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    margin-bottom: 15px;
}

.page-header__description {
    font-size: 0.9375rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* ----- Archive Section ----- */
.archive {
    background: var(--color-bg);
    padding: 60px 0;
}

/* ----- Archive Card (PC: 2列グリッド) ----- */
.archive-card {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 25px;
    background: var(--color-white);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.archive-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* チラシ画像 - 縦長をそのまま表示 */
.archive-card__image {
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 15px;
}

.archive-card__image img {
    width: 100%;
    height: auto;
    max-height: 280px;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.archive-card:hover .archive-card__image img {
    transform: scale(1.02);
    transition: transform var(--transition-slow);
}

.archive-card__image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--color-white);
    font-size: 3rem;
    opacity: 0.5;
    min-height: 200px;
    padding: 0;
}

/* コンテンツ部分 */
.archive-card__content {
    display: flex;
    gap: 20px;
    padding: 20px 25px 20px 0;
    align-items: flex-start;
}

.archive-card__number {
    font-family: var(--font-serif-en);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    min-width: 50px;
    text-align: center;
}

.archive-card__number .ordinal-suffix {
    font-size: 0.6em;
    font-weight: 400;
    vertical-align: super;
    margin-left: 1px;
}

.archive-card__details {
    flex: 1;
    min-width: 0;
}

.archive-card__date {
    display: block;
    font-family: var(--font-serif-en);
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: 5px;
}

.archive-card__title {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 8px;
    line-height: 1.4;
}

.archive-card__venue {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.archive-card__venue i {
    color: var(--color-accent);
    margin-right: 6px;
}

.archive-card__program {
    margin-bottom: 12px;
}

.archive-card__program h3,
.archive-card__performers h3 {
    font-family: var(--font-serif-en);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.archive-card__program ul {
    padding-left: 0;
}

.archive-card__program li {
    font-size: 0.8125rem;
    color: var(--color-text);
    padding: 3px 0;
    padding-left: 15px;
    position: relative;
}

.archive-card__program li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 1px;
    background: var(--color-accent);
}

.archive-card__performers dl {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 10px;
}

.archive-card__performers dt {
    font-size: 0.75rem;
    color: var(--color-accent);
    font-weight: 500;
}

.archive-card__performers dd {
    font-size: 0.8125rem;
    margin: 0;
}

.archive-card__performers dd span {
    display: inline;
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.archive-card__performers dd span::before {
    content: ' - ';
}

.archive-card__note {
    display: inline-block;
    margin-top: 10px;
    padding: 4px 10px;
    background: rgba(201, 169, 98, 0.1);
    color: var(--color-accent);
    font-size: 0.75rem;
    border-radius: 4px;
}

.archive-card__note-inline {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 8px;
}

/* ----- Back to Home ----- */
.back-to-home {
    text-align: center;
    padding: 30px 0 60px;
    background: var(--color-bg);
}

/* =====================================================
   PC Wide Display - 2カラムレイアウト
   ===================================================== */
@media (min-width: 1100px) {
    .archive .container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .archive-card {
        margin-bottom: 0;
        grid-template-columns: 160px 1fr;
        gap: 15px;
    }

    .archive-card__image {
        padding: 12px;
    }

    .archive-card__image img {
        max-height: 240px;
    }

    .archive-card__content {
        padding: 15px 20px 15px 0;
        gap: 15px;
    }

    .archive-card__number {
        font-size: 2rem;
        min-width: 40px;
    }

    .archive-card__title {
        font-size: 1rem;
    }

    .archive-card__program li,
    .archive-card__performers dd {
        font-size: 0.75rem;
    }

    .archive-card__performers dt {
        font-size: 0.6875rem;
    }
}

/* =====================================================
   Tablet - 1カラム、コンパクト表示
   ===================================================== */
@media (max-width: 840px) {
    .page-header {
        padding: 110px 0 50px;
    }

    .page-header__title {
        font-size: 2rem;
    }

    .archive {
        padding: 40px 0;
    }

    .archive-card {
        grid-template-columns: 150px 1fr;
        gap: 20px;
    }

    .archive-card__image {
        padding: 12px;
    }

    .archive-card__image img {
        max-height: 220px;
    }

    .archive-card__content {
        padding: 15px 20px 15px 0;
        gap: 15px;
    }

    .archive-card__number {
        font-size: 2rem;
        min-width: 40px;
    }

    .archive-card__title {
        font-size: 1rem;
    }
}

/* =====================================================
   Mobile - チラシ画像をアコーディオン的に表示
   ===================================================== */
@media (max-width: 600px) {
    .page-header {
        padding: 100px 0 40px;
    }

    .page-header__title {
        font-size: 1.75rem;
        letter-spacing: 0.1em;
    }

    .page-header__subtitle {
        font-size: 1rem;
    }

    .archive {
        padding: 30px 0;
    }

    /* スマホ: 縦レイアウト、チラシ画像を小さくサムネイル表示 */
    .archive-card {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .archive-card__image {
        padding: 15px 15px 10px;
        background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    }

    /* スマホではチラシ全体を見せる（切り抜かない） */
    .archive-card__image img {
        max-height: none;
        max-width: 200px;
        margin: 0 auto;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    }

    .archive-card__image--placeholder {
        min-height: 120px;
        font-size: 2.5rem;
    }

    .archive-card__content {
        padding: 15px;
        flex-direction: row;
        gap: 12px;
    }

    .archive-card__number {
        font-size: 1.75rem;
        min-width: 35px;
    }

    .archive-card__title {
        font-size: 0.9375rem;
    }

    .archive-card__venue {
        margin-bottom: 10px;
    }

    .archive-card__program,
    .archive-card__performers {
        margin-bottom: 8px;
    }

    .archive-card__program li {
        font-size: 0.8125rem;
        padding: 2px 0 2px 12px;
    }

    .archive-card__performers dl {
        grid-template-columns: 1fr;
        gap: 3px;
    }

    .archive-card__performers dt {
        margin-top: 5px;
        font-size: 0.6875rem;
    }

    .archive-card__performers dd {
        font-size: 0.8125rem;
    }

    .archive-card__performers dd span {
        display: block;
        font-size: 0.6875rem;
    }

    .archive-card__performers dd span::before {
        content: '';
    }

    .archive-card {
        margin-bottom: 15px;
    }

    .back-to-home {
        padding: 25px 0 50px;
    }
}

/* =====================================================
   Very Small Mobile
   ===================================================== */
@media (max-width: 400px) {
    .page-header__title {
        font-size: 1.5rem;
    }

    .archive-card__image img {
        max-width: 160px;
    }

    .archive-card__content {
        flex-direction: column;
        gap: 8px;
    }

    .archive-card__number {
        text-align: left;
    }
}