/* ===========================
   サブページ共通スタイル
   =========================== */

body.subpage {
    background-color: var(--color-light);
    min-height: 100vh;
}

.subpage-main {
    margin-left: 0;

}

/* ===========================
   ページヘッダー（ヒーロー）
   =========================== */
.page-hero {
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: clamp(70px, 8vw, 100px) clamp(40px, 15.3vw, 220px) clamp(50px, 6vw, 80px);
    gap: 12px;
}

.page-hero-title {
    font-family: var(--font-en);
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 700;
    color: rgba(255, 255, 255);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    line-height: 1;
}

.page-hero-sub {
    font-family: var(--font-ja);
    font-size: 1rem;
    color: rgba(255, 255, 255);
    letter-spacing: 0.1em;
}

.page-hero-lead {
    font-family: var(--font-ja);
    font-size: 0.9rem;
    color: rgba(255, 255, 255);
    line-height: 1.9;
    margin-top: 8px;
    max-width: 600px;
}

/* ===========================
   サブページコンテンツ
   =========================== */
.subpage-content {
    max-width: 860px;
    margin: 0 auto;
    padding: 60px 100px 80px 120px;
    padding-left: 220px;
    padding-right: 40px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.subpage-content-travel,
.subpage-content-musium,
.subpage-content-drama {
    /* .section と同じ fluid パディングで .section-inner（900px）と幅を揃える */
    width: 100%;
    box-sizing: border-box;
    padding: 50px clamp(24px, 14vw, 200px) 60px clamp(24px, 15.3vw, 220px);

    /* CSS Grid で子要素を最大 900px に揃えて中央寄せ */
    display: grid;
    grid-template-columns: minmax(0, 900px);
    justify-content: center;
    row-gap: 0;
}

/* ===========================
   記事カード
   =========================== */
.sub-card {
    background: var(--color-white);
    border-radius: 20px;
    padding: 36px 36px 32px;
    box-shadow: 0 8px 32px rgba(14, 62, 143, 0.08);
}

.sub-card-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 24px;
}

.sub-card-num {
    font-family: var(--font-en);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--color-light);
    background: var(--color-dark);
    padding: 4px 10px;
    border-radius: 20px;
    flex-shrink: 0;
}

.sub-card-title {
    font-family: var(--font-ja);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
}

/* ===========================
   画像ギャラリー（旅行・美術館）
   =========================== */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 180px;
    gap: 10px;
    margin-bottom: 24px;
    border-radius: 12px;
    overflow: hidden;
}

.image-gallery img:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.image-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease, opacity 0.3s ease;
}

.image-gallery img:hover {
    transform: scale(1.04);
    opacity: 0.9;
}

/* ===========================
   テキスト
   =========================== */
.sub-card-text {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sub-card-text p {
    font-family: var(--font-ja);
    font-size: 0.92rem;
    line-height: 1.9;
    color: #555;
}

/* ===========================
   区切り線
   =========================== */
.sub-divider {
    height: 2px;
    border: none;
    background: linear-gradient(to right, transparent, var(--color-dark) 20%, var(--color-dark) 80%, transparent);
    opacity: 0.1;
    margin: 40px 0;
}

/* ===========================
   ドラマ・映画（ポスターレイアウト）
   =========================== */
.drama-layout {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 8px;
}

.drama-poster {
    flex-shrink: 0;
    width: 200px;
}

.drama-poster img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
    object-fit: cover;
    max-height: 300px;
}

.drama-card .sub-card-text {
    flex: 1;
    padding-top: 4px;
}

/* ===========================
   コンタクトフォーム
   =========================== */
.contact-form-wrap {
    background: var(--color-white);
    border-radius: 20px;
    padding: 48px 48px;
    box-shadow: 0 8px 32px rgba(14, 62, 143, 0.08);
    margin-bottom: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-en);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-dark);
}

.required {
    color: #e05555;
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    font-family: var(--font-ja);
    font-size: 0.95rem;
    color: var(--color-text-dark);
    background: #f4f8ff;
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 14px 16px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0bec5;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-dark);
    background: #fff;
}

.form-submit {
    font-family: var(--font-en);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-white);
    background: var(--color-dark);
    border: none;
    border-radius: 50px;
    padding: 16px 40px;
    cursor: pointer;
    align-self: flex-start;
    transition: background 0.2s, transform 0.2s;
}

.form-submit:hover {
    background: #0a2d6e;
    transform: scale(1.03);
}

/* 送信完了 */
.form-success {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 40px 0;
    text-align: center;
}

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--color-dark);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.form-success p {
    font-family: var(--font-ja);
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

/* ===========================
   戻るボタン
   =========================== */
.back-btn {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-dark);
    text-decoration: none;
    border-bottom: 2px solid var(--color-dark);
    padding-bottom: 2px;
    margin-top: 20px;
    align-self: flex-start;
    transition: opacity 0.2s;
}

.back-btn:hover {
    opacity: 0.5;
}

/* ===========================
   レスポンシブ
   =========================== */
@media (max-width: 900px) {
    /* clamp() がサイズ変化をなめらかに処理するため
       .page-hero / .subpage-content-* の固定 padding 指定は不要 */
}

@media (max-width: 640px) {
    .page-hero {
        padding: 70px 20px 50px;
    }

    .page-hero-lead {
        width: 300px;
    }

    .subpage-content {
        padding: 40px 16px 60px 150px;
    }

    .sub-card {
        padding: 24px 20px;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .drama-layout {
        flex-direction: column;
    }

    .drama-poster {
        width: 100%;
        max-width: 220px;
    }

    .image-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 130px;
    }

    .image-gallery img:nth-child(1) {
        grid-column: span 2;
        grid-row: span 1;
    }

    .subpage-content-travel,
    .subpage-content-musium,
    .subpage-content-drama {
        padding: 40px 20px 60px;
    }


}