/* =============================================
   着物展示会ページ専用スタイル
   既存CSSに変更を加えず、このファイルで追加
   ============================================= */

/* ヒーロー */
.tk-hero {
    background: linear-gradient(160deg, #faf6f0 0%, #ede5d8 100%);
    padding: 60px 20px 50px;
    text-align: center;
    border-bottom: 3px solid #c8a96e;
}

.tk-hero-title {
    font-family: 'さわらび明朝', 'Sawarabi Mincho', 'ヒラギノ明朝 Pro W3', '游明朝', serif;
    font-size: 2em;
    color: #3d3228;
    letter-spacing: 0.2em;
    line-height: 1.5;
    margin-bottom: 10px;
}

.tk-hero-sub {
    font-size: 0.9em;
    color: #8a7060;
    letter-spacing: 0.25em;
    display: block;
    margin-top: 8px;
}

/* 本文エリア共通 */
.tk-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* セクション共通タイトル */
.tk-section {
    margin: 65px auto;
    max-width: 1100px;
    padding: 0 20px;
}

.tk-section-head {
    text-align: center;
    margin-bottom: 35px;
    padding-bottom: 18px;
    position: relative;
}

.tk-section-head::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 2px;
    background: #c8a96e;
}

.tk-section-head h3 {
    font-size: 1.55em;
    color: #3d3228;
    letter-spacing: 0.18em;
    font-weight: normal;
}

.tk-section-head .tk-en {
    display: block;
    font-size: 0.72em;
    color: #a08060;
    letter-spacing: 0.22em;
    margin-top: 6px;
}

/* メッセージボックス */
.tk-message {
    max-width: 820px;
    margin: 50px auto 0;
    padding: 40px 35px;
    background: #fdfaf6;
    border-left: 4px solid #c8a96e;
    line-height: 2.1;
}

.tk-message p {
    color: #3d3228;
    font-size: 0.96em;
    margin-bottom: 1.3em;
}

.tk-message p:last-child {
    margin-bottom: 0;
}

/* おすすめ品グリッド */
.tk-pickup-grid {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.tk-pickup-grid figure {
    flex: 0 1 calc(50% - 10px);
    max-width: 520px;
    margin: 0;
}

.tk-pickup-grid figure img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.1);
}

.tk-pickup-grid figcaption {
    text-align: center;
    margin-top: 10px;
    font-size: 0.88em;
    color: #6a5a4a;
    letter-spacing: 0.1em;
}

/* 肩当てセクション */
.tk-kataate-lead {
    text-align: center;
    color: #5a4a3a;
    font-size: 0.94em;
    line-height: 2;
    margin-bottom: 28px;
}

.tk-kataate-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.tk-kataate-grid figure {
    margin: 0;
}

.tk-kataate-grid figure img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.tk-kataate-grid figcaption {
    text-align: center;
    margin-top: 6px;
    font-size: 0.82em;
    font-weight: bold;
    color: #3d3228;
    background: #f5efe6;
    padding: 3px 0;
    border-radius: 3px;
    letter-spacing: 0.05em;
}

/* 展示会の様子グリッド */
.tk-photos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.tk-photos-grid figure {
    margin: 0;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.12);
}

.tk-photos-grid figure img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.tk-photos-grid figure img:hover {
    transform: scale(1.04);
}

/* 集合写真 */
.tk-group-photo {
    text-align: center;
}

.tk-group-photo img {
    max-width: 820px;
    width: 100%;
    height: auto;
    display: inline-block;
    border-radius: 4px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.14);
}

/* 次回案内バナー */
.tk-next-banner {
    background: #35345e;
    color: #fff;
    text-align: center;
    padding: 50px 20px;
    margin-top: 70px;
}

.tk-next-banner h3 {
    font-size: 1.35em;
    letter-spacing: 0.25em;
    margin-bottom: 14px;
    font-weight: normal;
}

.tk-next-banner p {
    font-size: 0.92em;
    line-height: 2;
    color: #e0daea;
    max-width: 600px;
    margin: 0 auto;
}

/* TOPへ戻るボタン */
.tk-back-top {
    text-align: center;
    padding: 45px 20px;
}

.tk-back-top-btn {
    display: inline-block;
    padding: 14px 50px;
    border: 1px solid #35345e;
    color: #35345e;
    font-size: 0.9em;
    letter-spacing: 0.2em;
    text-decoration: none;
    transition: background 0.25s, color 0.25s;
}

.tk-back-top-btn:hover {
    background: #35345e;
    color: #fff !important;
    text-decoration: none;
}

/* =============================================
   レスポンシブ：スマートフォン（〜479px）
   ============================================= */
@media screen and (max-width: 479px) {

    .tk-hero-title {
        font-size: 1.4em;
    }

    .tk-message {
        padding: 22px 18px;
    }

    .tk-pickup-grid figure {
        flex: 0 1 100%;
    }

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

    .tk-kataate-grid figure img {
        height: 130px;
    }

    .tk-photos-grid {
        grid-template-columns: 1fr;
    }

    .tk-photos-grid figure img {
        height: 220px;
    }

    .tk-section {
        margin: 45px auto;
    }
}

/* =============================================
   レスポンシブ：タブレット（480px〜768px）
   ============================================= */
@media only screen and (min-width: 480px) and (max-width: 768px) {

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

    .tk-kataate-grid figure img {
        height: 150px;
    }

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

    .tk-photos-grid figure img {
        height: 200px;
    }
}

/* =============================================
   レスポンシブ：PC（769px〜960px）
   ============================================= */
@media only screen and (min-width: 769px) and (max-width: 1024px) {

    .tk-kataate-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}