.concert-container {
    max-width: 900px;
    margin: auto;
}

/* ===== 現在演奏中 ===== */

.current-track-section {
    text-align: center;
    padding: 40px 0;
    border-bottom: 1px solid #ddd;
}

.now-playing {
    font-family: serif;
    letter-spacing: 2px;
    color: #b4973f;
}

.current-track-title {
    font-size: 28px;
    margin-top: 10px;
}

.elapsed-time {
    font-size: 32px;
    margin-top: 15px;
    font-weight: bold;
}

.feedback-button {
    display: inline-block;
    margin-top: 20px;
    padding: 8px 18px;
    border: 1px solid #b4973f;
    text-decoration: none;
    color: #b4973f;
}

.waiting-message {
    font-size: 18px;
    color: #888;
}

.current-part {
    font-size: 0.9rem;
    color: #888;
    margin-bottom: 6px;
}

.current-composer,
.current-performer {
    font-size: 0.95rem;
    color: #555;
    margin-top: 4px;
}

.waiting-message.break {
    color: #ef6c00;
    font-weight: 600;
    font-size: 1.1rem;
}


/* ===== プログラム ===== */

.program-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    padding: 10px 0;
}

.program-nav-link {
    padding: 6px 14px;
    background: #f3f4f6;
    border-radius: 20px;
    text-decoration: none;
    font-size: 14px;
    color: #374151;
    transition: 0.2s;
}

.program-nav-link:hover {
    background: #888;
    color: white;
}

html {
    scroll-behavior: smooth;
}

.program-section {
    padding: 40px 0;
}

.part-block {
    margin-bottom: 50px;
}

.part-header h3 {
    font-size: 22px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

.part-subtitle {
    font-style: italic;
    margin-top: 5px;
}

.part-times {
    font-size: 13px;
    color: #777;
    margin-top: 8px;
}

/* ===== 曲 ===== */

/* 曲ブロック */
.track-row {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 24px;
    border-bottom: 1px solid #eee;
}

.program-section {
    max-width: 900px;
    margin: 0 auto;
}


/* タイトル＋演奏者横並び */
.track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.track-main {
    flex: 1;
}

/* 曲名 */
.track-title {
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
}

/* 作曲者 */
.track-composer {
    font-size: 0.9rem;
    color: #666;
    margin-top: 4px;
}

/* 曲紹介 */
.track-notes {
    display: none;
    margin-top: 8px;
    font-size: 0.9rem;
    color: #555;
    line-height: 1.6;
}

.track-notes.active {
    display: block;
}

/* 演奏者 */
.track-performer {
    font-size: 0.95rem;
    color: #333;
    white-space: nowrap;
    margin-left: auto;
}

/* アイコン付き演奏者 */
.performer-with-avatar {
    display: flex;
    align-items: center;
    gap: 8px;
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}


/* 感想リンク */

.track-actions {
    display: flex;
    align-items: center;
}

.track-actions a {
    font-size: 13px;
    color: #b4973f;
    text-decoration: none;
    opacity: 0.7;
    transition: 0.2s;
}

.track-actions a:hover {
    opacity: 1;
    text-decoration: underline;
}