/* =========================================
   Workshop 2026 - NPO NSK_AIZU Style
   教育セクションのデザインを継承
   ========================================= */

/* ベースリセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* カラーパレット（education.css準拠） */
:root {
    --bg-page: #fafbfa;
    --bg-content: #ffffff;
    --bg-card: #f5f7f5;
    --bg-highlight: #eef2ee;
    --bg-hero: #1a2520;

    --text-primary: #1a2520;
    --text-secondary: #4a5550;
    --text-muted: #7a8580;
    --text-light: #ffffff;

    --accent-green: #3d7a50;
    --accent-green-light: #5a9a6a;
    --accent-amber: #b8860b;
    --accent-teal: #2d6a6a;
    --accent-purple: #6a4c93;
    --accent-coral: #c4616c;

    --border-subtle: rgba(26, 37, 32, 0.08);
    --border-light: rgba(26, 37, 32, 0.15);
    --border-medium: rgba(26, 37, 32, 0.25);
}

body {
    background-color: var(--bg-page);
    font-family: "Zen Old Mincho", serif;
    color: var(--text-primary);
    line-height: 1.8;
}

a {
    color: var(--accent-green);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.3s, opacity 0.3s;
}

a:hover {
    color: var(--accent-teal);
    opacity: 0.9;
}

/* -------------------------
   Hero Section
------------------------- */
.ws-hero {
    width: 100%;
    padding: 140px 20px 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, #0d1210 0%, var(--bg-hero) 100%);
}

.ws-hero__title {
    font-family: 'Cinzel', serif;
    font-size: 32px;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: #fff;
    margin-bottom: 10px;
}

.ws-hero__subtitle {
    font-family: "Zen Old Mincho", serif;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.ws-hero__date {
    font-family: 'Cinzel', serif;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    letter-spacing: 0.15em;
}

/* -------------------------
   Breadcrumb
------------------------- */
.breadcrumb {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 40px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: var(--accent-green);
}

/* -------------------------
   Main Container
------------------------- */
.ws-container {
    max-width: 900px;
    margin: -40px auto 100px;
    padding: 50px 50px 60px;
    background-color: var(--bg-content);
    border-radius: 12px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 10;
}

/* -------------------------
   Section Styles
------------------------- */
.ws-section {
    margin-bottom: 80px;
}

.ws-section__title {
    font-family: 'Cinzel', serif;
    font-size: 20px;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 15px;
    margin-bottom: 30px;
}

.ws-section__text {
    font-size: 15px;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* -------------------------
   Group Navigation (目次)
------------------------- */
.ws-group-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 80px;
}

.ws-group-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 10px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    background-color: var(--bg-content);
}

.ws-group-nav__item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.ws-group-nav__item--video:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.ws-group-nav__item--music:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.ws-group-nav__item--image:hover {
    border-color: var(--accent-coral);
    color: var(--accent-coral);
}

.ws-group-nav__icon {
    font-size: 24px;
    line-height: 1;
}

.ws-group-nav__label {
    font-size: 13px;
    font-family: "Zen Old Mincho", serif;
    letter-spacing: 0.05em;
}

/* -------------------------
   Group Header
------------------------- */
.ws-group-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-light);
}

.ws-group-header__badge {
    font-family: 'Cinzel', serif;
    font-size: 11px;
    letter-spacing: 0.15em;
    padding: 5px 14px;
    border-radius: 4px;
    color: #fff;
    background-color: var(--accent-teal);
    white-space: nowrap;
}

.ws-group-header--video .ws-group-header__badge {
    background-color: var(--accent-teal);
}

.ws-group-header--music .ws-group-header__badge {
    background-color: var(--accent-purple);
}

.ws-group-header--image .ws-group-header__badge {
    background-color: var(--accent-coral);
}

.ws-group-header__title {
    font-family: "Zen Old Mincho", serif;
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
}

/* -------------------------
   Video Embed (16:9 Responsive)
------------------------- */
.ws-video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    background-color: #000;
    margin-bottom: 25px;
}

.ws-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* YouTube Shorts (9:16 vertical) */
.ws-video-wrapper--shorts {
    padding-bottom: 0;
    height: auto;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    aspect-ratio: 9 / 16;
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
}

.ws-video-wrapper--shorts iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* -------------------------
   Audio Player
------------------------- */
.ws-audio-player {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 25px;
}

.ws-audio-player__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.ws-audio-player__icon {
    font-size: 22px;
    color: var(--accent-purple);
}

.ws-audio-player__track-name {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

.ws-audio-player__element {
    width: 100%;
    height: 44px;
    border-radius: 8px;
}

/* Chromeの場合のaudioスタイル調整 */
audio::-webkit-media-controls-panel {
    background-color: var(--bg-highlight);
}

/* -------------------------
   Image Gallery
------------------------- */
.ws-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 25px;
}

.ws-gallery__item {
    border: 1px solid var(--border-light);
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--bg-card);
}

.ws-gallery__item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.ws-gallery__caption {
    padding: 15px 20px;
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
}

/* 画像が2つ以上ある場合のグリッド */
.ws-gallery--grid {
    grid-template-columns: repeat(2, 1fr);
}

/* -------------------------
   Work Info Box
------------------------- */
.ws-work-info {
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--accent-green);
    border-radius: 0 8px 8px 0;
    padding: 25px 30px;
    background-color: var(--bg-card);
}

.ws-work-info__title {
    font-family: 'Cinzel', serif;
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.ws-work-info__text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 6px;
}

.ws-work-info__text:last-child {
    margin-bottom: 0;
}

.ws-work-info__text strong {
    color: var(--text-primary);
    font-weight: 500;
}

/* -------------------------
   Note Box (education.css互換)
------------------------- */
.note-box {
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--accent-teal);
    border-radius: 8px;
    padding: 25px 30px;
    background-color: var(--bg-card);
    margin-top: 40px;
}

.note-box__title {
    font-family: 'Cinzel', serif;
    font-size: 14px;
    color: var(--accent-teal);
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.note-box__text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.note-box__text a {
    color: var(--accent-green);
}

/* -------------------------
   Group Cards (Top Page)
------------------------- */
.ws-group-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.ws-group-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 25px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s;
    background-color: var(--bg-content);
}

.ws-group-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    opacity: 1;
}

.ws-group-card--video:hover { border-color: var(--accent-teal); }
.ws-group-card--music:hover { border-color: var(--accent-purple); }
.ws-group-card--image:hover { border-color: var(--accent-coral); }

.ws-group-card__icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--text-muted);
}

.ws-group-card--video:hover .ws-group-card__icon { color: var(--accent-teal); }
.ws-group-card--music:hover .ws-group-card__icon { color: var(--accent-purple); }
.ws-group-card--image:hover .ws-group-card__icon { color: var(--accent-coral); }

.ws-group-card__body {
    flex: 1;
}

.ws-group-card__badge {
    font-family: 'Cinzel', serif;
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
}

.ws-group-card__title {
    font-family: "Zen Old Mincho", serif;
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 6px;
}

.ws-group-card__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

.ws-group-card__status {
    font-family: 'Cinzel', serif;
    font-size: 10px;
    letter-spacing: 0.15em;
    display: inline-block;
    padding: 3px 10px;
    border-radius: 3px;
}

.ws-group-card__status--soon {
    background-color: var(--bg-highlight);
    color: var(--text-muted);
    border: 1px solid var(--border-light);
}

/* -------------------------
   Coming Soon
------------------------- */
.ws-coming-soon {
    text-align: center;
    padding: 80px 30px;
    border: 2px dashed var(--border-light);
    border-radius: 12px;
    background-color: var(--bg-card);
}

.ws-coming-soon__icon {
    font-size: 48px;
    color: var(--text-muted);
    opacity: 0.4;
    margin-bottom: 20px;
}

.ws-coming-soon__title {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.ws-coming-soon__text {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

/* -------------------------
   Track List (Music Page)
------------------------- */
.ws-track {
    display: flex;
    gap: 20px;
    padding: 30px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.ws-track__number {
    font-family: 'Cinzel', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-purple);
    opacity: 0.5;
    flex-shrink: 0;
    width: 50px;
    text-align: center;
    padding-top: 4px;
}

.ws-track__content {
    flex: 1;
}

.ws-track__title {
    font-family: "Zen Old Mincho", serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.ws-track__artist {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.ws-track__info {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.ws-track__info strong {
    color: var(--text-primary);
    font-weight: 500;
}

.ws-track .ws-audio-player {
    margin-bottom: 0;
    border: none;
    padding: 0;
    background: none;
}

/* -------------------------
   Evolution Timeline (Image Page)
------------------------- */
.ws-evolution-step {
    display: flex;
    gap: 24px;
    margin-bottom: 50px;
    position: relative;
}

.ws-evolution-step__marker {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 44px;
}

.ws-evolution-step__number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--border-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Cinzel', serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-muted);
    background-color: var(--bg-content);
    position: relative;
    z-index: 2;
}

.ws-evolution-step__number--final {
    background-color: var(--accent-coral);
    color: #fff;
    border-color: var(--accent-coral);
}

.ws-evolution-step__line {
    width: 2px;
    flex: 1;
    background-color: var(--border-light);
    margin-top: 8px;
}

.ws-evolution-step__body {
    flex: 1;
    padding-bottom: 10px;
}

.ws-evolution-step__title {
    font-family: "Zen Old Mincho", serif;
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.ws-evolution-step__image {
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.ws-evolution-step__image img {
    width: 100%;
    height: auto;
    display: block;
}

.ws-evolution-step__image--final {
    border: 2px solid var(--accent-coral);
    box-shadow: 0 4px 20px rgba(196, 97, 108, 0.15);
}

.ws-evolution-step__comment {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
}

/* Prompt Box */
.ws-prompt-box {
    background-color: var(--bg-card);
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--accent-purple);
    border-radius: 0 8px 8px 0;
    padding: 16px 20px;
}

.ws-prompt-box--final {
    border-left-color: var(--accent-coral);
    background-color: rgba(196, 97, 108, 0.04);
}

.ws-prompt-box__label {
    font-family: 'Cinzel', serif;
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
}

.ws-prompt-box__text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.7;
    font-family: monospace, "Zen Old Mincho", serif;
}

/* -------------------------
   Buttons
------------------------- */
.btn-back {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 280px;
    padding: 15px 0;
    border: 1px solid var(--border-medium);
    color: var(--text-primary);
    text-decoration: none;
    font-family: "Zen Old Mincho", serif;
    font-size: 16px;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    background-color: var(--bg-content);
    border-radius: 4px;
}

.btn-back:hover {
    background-color: var(--accent-green);
    color: #fff;
    border-color: var(--accent-green);
    opacity: 1;
}

.btn-area {
    text-align: center;
    margin-top: 60px;
}

/* -------------------------
   Footer
------------------------- */
.ws-footer {
    background-color: var(--bg-hero);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.ws-footer a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 15px;
}

.ws-footer a:hover {
    color: #fff;
}

.ws-footer__copyright {
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.5);
}

.ws-footer__links {
    margin-top: 10px;
}

/* -------------------------
   Responsive
------------------------- */
@media (max-width: 768px) {
    .ws-hero {
        padding: 120px 20px 40px;
    }

    .ws-hero__title {
        font-size: 26px;
    }

    .ws-container {
        padding: 30px 20px 50px;
        margin: -20px 10px 60px;
        border-radius: 8px;
    }

    .ws-group-nav {
        grid-template-columns: repeat(2, 1fr);
    }

    .ws-group-cards {
        grid-template-columns: 1fr;
    }

    .ws-group-card {
        padding: 20px;
    }

    .ws-group-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .ws-audio-player {
        padding: 20px;
    }

    .ws-gallery--grid {
        grid-template-columns: 1fr;
    }

    .ws-work-info {
        padding: 20px;
    }

    .note-box {
        padding: 20px;
    }

    .btn-back {
        width: 100%;
    }

    .ws-track {
        flex-direction: column;
        gap: 10px;
    }

    .ws-track__number {
        width: auto;
        text-align: left;
    }

    .ws-evolution-step {
        gap: 16px;
    }

    .ws-evolution-step__marker {
        width: 36px;
    }

    .ws-evolution-step__number {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .ws-coming-soon {
        padding: 50px 20px;
    }

    .ws-prompt-box {
        padding: 14px 16px;
    }
}

@media (max-width: 480px) {
    .ws-group-nav {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .ws-group-nav__item {
        padding: 15px 8px;
    }
}