/* ar/ar.css — ばーちゃるず AR 体験ページ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.ar-page {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    min-height: 100dvh;
    background: #ffffff;
    color: #2da597;
    line-height: 1.6;
}

.ar-page__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    padding-top: max(12px, env(safe-area-inset-top));
    background: #fff;
    border-bottom: 1px solid rgba(45, 165, 151, 0.2);
}

.ar-page__back {
    font-size: 0.875rem;
    font-weight: 600;
    color: #ff6b9d;
    text-decoration: none;
}

.ar-page__back:hover {
    text-decoration: underline;
}

.ar-page__title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #2da597;
}

.ar-page__main {
    padding: 16px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
    max-width: 720px;
    margin: 0 auto;
}

.ar-page__notice {
    margin: 0 0 12px;
    padding: 12px 14px;
    border-radius: 10px;
    background: #fff8e6;
    border: 1px solid #f0d78c;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #2da597;
}

.ar-page__notice--info {
    background: rgba(45, 165, 151, 0.08);
    border-color: rgba(45, 165, 151, 0.25);
}

.ar-viewer-wrap {
    margin-bottom: 8px;
}

.ar-viewer-stage .ar-viewer {
    width: 100%;
    height: min(62dvh, 520px);
    min-height: 280px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(45, 165, 151, 0.25);
    background: #fff;
    box-shadow: 0 4px 20px rgba(45, 165, 151, 0.15);
    --poster-color: transparent;
}

.ar-launch-btn {
    position: absolute;
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    z-index: 2;
    white-space: nowrap;
    padding: 12px 24px;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff6b9d, #2da597);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(45, 165, 151, 0.25);
}

.ar-viewer__hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 16px;
    text-align: center;
    color: #2da597;
    font-size: 0.9375rem;
    pointer-events: none;
}

.ar-page__howto {
    margin-top: 20px;
}

.ar-page__howto-title {
    margin-bottom: 10px;
    font-size: 1.125rem;
    color: #ff6b9d;
}

.ar-page__steps {
    margin-bottom: 12px;
    padding-left: 1.25rem;
    font-size: 0.9375rem;
}

.ar-page__steps li + li {
    margin-top: 6px;
}

.ar-page__note {
    font-size: 0.875rem;
    opacity: 0.85;
}

html[data-theme="dark"] body.ar-page {
    background: #0a0a0a;
    color: #a8e6cf;
}

html[data-theme="dark"] .ar-page__header {
    background: #111;
    border-bottom-color: rgba(0, 212, 255, 0.2);
}

html[data-theme="dark"] .ar-page__title,
html[data-theme="dark"] .ar-page__steps,
html[data-theme="dark"] .ar-page__note,
html[data-theme="dark"] .ar-page__notice {
    color: #a8e6cf;
}

html[data-theme="dark"] .ar-viewer-stage .ar-viewer {
    border-color: rgba(0, 212, 255, 0.2);
    background: #111;
}

@media (min-width: 721px) {
    .ar-viewer-stage .ar-viewer {
        height: 480px;
    }
}