@charset "Shift_JIS";
.audio-player-wrapper {
    --player-primary-color: #007bff; /* プレーヤーの主要色 */
    --player-grey-color: #e0e0e0;   /* トラックなどのグレー */
    --player-text-color: #333;      /* テキストの色 */
    --player-icon-color: #555;     /* 通常時のアイコンの色 */
    --player-background-color: #ffffff; /* プレーヤーおよびヘッダーの背景色 */
    background-color: var(--player-background-color);
    border-radius: 12px;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
    margin-top: 20px; 
    margin-bottom: 20px; 
    font-family: "游ゴシック体","Yu Gothic",YuGothic,'ヒラギノ角ゴ Pro W3','Hiragino Kaku Gothic Pro','Helvetica Neue',Helvetica,Arial,'メイリオ',Meiryo,'ＭＳ Ｐゴシック','MS PGothic',sans-serif;
    font-size: 18px;
}

.accordion-header {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    cursor: pointer;
    user-select: none;
    border-bottom: 1px solid transparent;
    transition: background-color 0.2s;
    background-color: var(--player-background-color);
    position: relative;
    border-radius: 12px;
}

.accordion-header .speaker-icon {
    width: 24px;
    height: 24px;
    fill: var(--player-icon-color);
    margin-right: 12px;
    flex-shrink: 0;
}

.accordion-title {
    flex-grow: 1;
    font-size: 0.95em;
    color: var(--player-text-color);
    font-weight: 500;
}

.accordion-icon {
    color: var(--player-icon-color);
    margin-left: 12px;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-icon svg {
    width: 100%; 
    height: 100%;
    stroke: currentColor; 
    transition: transform 0.3s ease-in-out;
}

.accordion-header.open .accordion-icon svg {
    transform: rotate(180deg);
}

.audio-player {
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-sizing: border-box;
}

.audio-player.hidden {
    display: none !important;
    padding: 0;
}

.control-button {
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--player-icon-color);
    flex-shrink: 0;
    transition: background-color 0.2s, color 0.2s;
}

.control-button:hover {
    color: var(--player-primary-color);
    background-color: rgba(0, 123, 255, 0.1);
}
.control-button.active {
    color: var(--player-primary-color);
}

.control-button svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.time-display {
    font-size: 0.9em;
    color: var(--player-text-color);
    white-space: nowrap;
    min-width: 90px;
    text-align: center;
    flex-shrink: 0;
}

.progress-bar-container {
    flex-grow: 1;
    display: flex;
    align-items: center;
    height: 24px;
    min-width: 100px;
}

.progress-bar {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    /* Webkit系ではJSでlinear-gradientを設定。Firefoxでは下の::-moz-range-trackがベース */
    background: var(--player-grey-color); 
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    padding: 0;
    margin: 0;
}

/* Webkit系ブラウザのつまみ */
.progress-bar::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--player-primary-color);
    border-radius: 50%;
    cursor: pointer;
    margin-top: 0px;
}

/* Firefoxのつまみ */
.progress-bar::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--player-primary-color);
    border-radius: 50%;
    border: none; /* Firefoxではborderをnoneにすることが多い */
    cursor: pointer;
}

/* Firefoxのトラック（未再生部分） */
.progress-bar::-moz-range-track {
    background: var(--player-grey-color);
    height: 6px;
    border-radius: 3px;
}

/* Firefoxのプログレス部分（再生済み部分） */
.progress-bar::-moz-range-progress {
    background-color: var(--player-primary-color);
    height: 6px;
    border-radius: 3px;
}


.volume-control-container {
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.volume-slider-container {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%);
    display: none;
    background: #fff;
    padding: 10px 8px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,.1);
    height: 100px;
    align-items: center;
    justify-content: center;
    z-index: 15;
}

.volume-slider-container.active {
    display: flex;
}

.ua-ios .volume-slider-container.active,
.ua-firefox .volume-slider-container.active,
.ua-mac_os_x .volume-slider-container.active {
    display: none;
}

.volume-slider {
    writing-mode: vertical-lr;
    direction: rtl;
    width: 6px;
    height: 80px;
    background: var(--player-grey-color);
    border-radius: 3px;
    cursor: pointer;
    outline: none;
    padding: 0;
    margin: 0;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--player-primary-color);
    border-radius: 50%;
    cursor: pointer;
}

.volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--player-primary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}
.volume-slider::-moz-range-track {
    background: var(--player-grey-color);
    width: 6px;
    border-radius: 3px;
}

.settings-container {
    position: relative;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.speed-control-popup {
    position: absolute;
    bottom: calc(100% + 10px);
    right: 0;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 15;
    display: none;
    padding: 5px 0;
    min-width: 80px;
}

.speed-control-popup.active {
    display: block;
}

.speed-control-popup button {
    display: block;
    width: 100%;
    padding: 8px 15px;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    font-size: 0.9em;
    color: var(--player-text-color);
    box-sizing: border-box;
}

.speed-control-popup button:hover {
    background-color: #f0f0f0;
}

.speed-control-popup button.selected-speed {
    font-weight: bold;
    color: var(--player-primary-color);
}

@media (max-width: 600px) {
    .accordion-header {
        padding: 12px 15px;
    }
    .accordion-title {
        font-size: calc(26vw / 750 * 100);
    }
    .audio-player {
        padding: 10px 15px;
        gap: 10px;
    }
    .time-display {
        font-size: 0.85em;
        min-width: 80px;
    }
    .control-button svg {
        width: 22px;
        height: 22px;
    }
    .progress-bar-container {
        min-width: 80px;
    }
}
@media (max-width: 450px) {
    .accordion-header {
        padding: 10px 12px;
    }
    .accordion-title {
        font-size: font-size: calc(26vw / 750 * 100);
    }
    .time-display {
        font-size: 0.8em;
        min-width: 70px;
    }
    .control-button svg {
        width: 20px;
        height: 20px;
    }
}

.audio-player-annotation {
    font-family: "游ゴシック体","Yu Gothic",YuGothic,'ヒラギノ角ゴ Pro W3','Hiragino Kaku Gothic Pro','Helvetica Neue',Helvetica,Arial,'メイリオ',Meiryo,'ＭＳ Ｐゴシック','MS PGothic',sans-serif;
    font-size: 16px;
    margin-left: 1em;
    font-weight: 500;
    color: #333;
}
@media screen and (max-width:750px) {
    .audio-player-annotation {
        font-size: calc(24vw / 750 * 100);
        text-align: right;
    }
}