/* ==========================================================================
   Birthday Event（Performer向け / Viewer向け 共通）
   黒×金、モダン・グラマラスなトーン。クラスは全て bday- プレフィックス限定。
   CountdownTimer.tsx は既存の .pr-countdown* をそのまま出力するため、
   .bday-hero 配下でのみ上書きし、他ページ(ランキングイベント)には影響させない。
   ========================================================================== */

:root {
    --bday-bg: #0c0a08;
    --bday-surface: #17130f;
    --bday-surface-soft: #201a14;
    --bday-border: #3a2f22;
    --bday-ink: #f6ecd8;
    --bday-ink-soft: #c9b899;
    --bday-ink-faint: #8d7c62;
    --bday-gold: #e3b04b;
    --bday-gold-soft: #f6d998;
    --bday-gold-deep: #8a611a;
    --bday-silver: #d7dbe2;
    --bday-silver-soft: #f0f2f5;
    --bday-silver-deep: #7d8794;
    --bday-bronze: #d5915c;
    --bday-bronze-soft: #f0c9a4;
    --bday-bronze-deep: #8a4f28;
    --bday-violet: #a78bfa;
    --bday-violet-soft: #d8cdfd;
    --bday-rose: #ff6fae;
    --bday-rose-soft: #ffc2df;
}

.bday-page {
    background: radial-gradient(120% 140% at 50% -10%, #241c12 0%, var(--bday-bg) 55%);
    padding: 24px 16px 56px;
    color: var(--bday-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Segoe UI", sans-serif;
}

.bday-empty {
    max-width: 480px;
    margin: 80px auto;
    text-align: center;
    color: var(--bday-ink-soft);
    font-size: 0.95rem;
}

/* ---------- Hero ---------- */

.bday-hero {
    position: relative;
    max-width: 560px;
    margin: 0 auto 20px;
    background: linear-gradient(160deg, var(--bday-surface) 0%, #120f0b 100%);
    border: 1px solid var(--bday-border);
    border-radius: 20px;
    padding: 32px 24px 28px;
    text-align: center;
    overflow: hidden;
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
    animation: bday-fade-up 0.5s ease both;
}

.bday-coming-soon-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 6, 4, 0.72);
    pointer-events: none;
    overflow: hidden;
    z-index: 50;
}

.bday-coming-soon-overlay span {
    font-size: clamp(2rem, 11vw, 4.6rem);
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--bday-gold-soft);
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
    max-width: 85vw;
    transform: rotate(-8deg);
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.6), 0 0 40px rgba(227, 176, 75, 0.7), 0 4px 12px rgba(0, 0, 0, 0.8);
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.35);
}

.bday-hero-sparkles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.bday-hero-sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--bday-gold-soft);
    box-shadow: 0 0 8px 2px rgba(230, 190, 100, 0.6);
    animation: bday-twinkle 2.6s ease-in-out infinite;
}

.bday-hero-sparkle--sm { width: 2px; height: 2px; }
.bday-hero-sparkle--gold { background: var(--bday-gold); }

.bday-hero-sparkle:nth-child(1) { left: 6%; top: 12%; animation-delay: 0s; }
.bday-hero-sparkle:nth-child(2) { left: 90%; top: 20%; animation-delay: 0.4s; }
.bday-hero-sparkle:nth-child(3) { left: 14%; top: 70%; animation-delay: 0.9s; }
.bday-hero-sparkle:nth-child(4) { left: 82%; top: 62%; animation-delay: 1.3s; }
.bday-hero-sparkle:nth-child(5) { left: 50%; top: 8%; animation-delay: 1.7s; }

.bday-full-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    background: var(--bday-bg);
}

.bday-full-banner img {
    display: block;
    width: 100%;
    height: auto;
    position: relative;
    filter: saturate(1.15) contrast(1.05);
}

.bday-banner-status-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(8, 6, 4, 0.45);
    pointer-events: none;
}

.bday-banner-status-overlay span {
    font-size: clamp(1.8rem, 9vw, 3.6rem);
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--bday-gold-soft);
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
    max-width: 85%;
    transform: rotate(-8deg);
    text-shadow: 0 0 6px rgba(0, 0, 0, 0.6), 0 0 40px rgba(227, 176, 75, 0.7), 0 4px 12px rgba(0, 0, 0, 0.8);
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.35);
}

.bday-hero-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 13px;
    border-radius: 7px;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 14px;
    border: 1px solid transparent;
    background: var(--bday-surface-soft);
}

.bday-hero-status-dot {
    flex: none;
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.bday-hero-status--upcoming {
    color: #c3cbf5;
    border-color: rgba(140, 150, 220, 0.35);
    background: rgba(140, 150, 220, 0.08);
}

.bday-hero-status--upcoming .bday-hero-status-dot {
    background: #b9c0f0;
    animation: bday-status-blink 1.8s ease-in-out infinite;
}

.bday-hero-status--ongoing {
    color: var(--bday-gold-soft);
    border-color: var(--bday-gold);
    background: rgba(227, 176, 75, 0.1);
    box-shadow: 0 0 16px rgba(227, 176, 75, 0.2);
}

.bday-hero-status--ongoing .bday-hero-status-dot {
    background: var(--bday-gold);
    animation: bday-live-pulse 1.7s ease-in-out infinite;
}

.bday-hero-status--ended {
    color: var(--bday-ink-faint);
    border-color: var(--bday-border);
    background: rgba(255, 255, 255, 0.04);
}

.bday-hero-status--ended .bday-hero-status-dot {
    background: var(--bday-ink-faint);
}

.bday-hero-title {
    font-size: clamp(1.6rem, 6vw, 2.1rem);
    font-weight: 800;
    margin: 6px 0 10px;
    background: linear-gradient(100deg, var(--bday-gold-soft) 0%, var(--bday-gold) 40%, var(--bday-gold-soft) 60%, var(--bday-gold) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: bday-shimmer 4s linear infinite;
}

.bday-hero-period {
    font-size: 0.82rem;
    color: var(--bday-ink-soft);
    margin-bottom: 18px;
}

.bday-hero-message {
    margin-top: 22px;
    padding: 16px;
    background: var(--bday-surface-soft);
    border: 1px solid var(--bday-border);
    border-radius: 14px;
    text-align: left;
}

.bday-hero-message h3 {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--bday-gold);
    margin: 0 0 8px;
    font-weight: 700;
}

.bday-hero-message p {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--bday-ink);
    white-space: pre-wrap;
}

.bday-hero-thanks {
    margin-top: 20px;
    padding: 22px 20px 20px;
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(227, 176, 75, 0.1), rgba(227, 176, 75, 0.02));
    border: 1px solid var(--bday-gold-deep);
    font-size: 0.85rem;
    color: var(--bday-ink-soft);
    line-height: 1.7;
    text-align: left;
}

.bday-hero-thanks-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--bday-gold-deep);
    color: var(--bday-gold-soft);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-align: center;
}

.bday-hero-thanks-badge i {
    font-size: 0.9rem;
    color: var(--bday-gold);
}

.bday-hero-thanks p {
    margin: 0 0 12px;
}

.bday-hero-thanks p:last-child {
    margin-bottom: 0;
}

.bday-lang-switcher-wrap {
    position: relative;
    width: fit-content;
    margin: 0 auto 16px;
}

.bday-lang-switcher-selected {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: var(--bday-surface-soft);
    border: 1px solid var(--bday-border);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    color: var(--bday-ink-soft);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bday-lang-switcher-selected--open,
.bday-lang-switcher-selected:hover {
    border-color: var(--bday-gold-deep);
    box-shadow: 0 4px 18px rgba(227, 176, 75, 0.25);
}

.bday-lang-switcher-selected i.fa-globe {
    color: var(--bday-gold);
}

.bday-lang-switcher-arrow {
    font-size: 9px;
    opacity: 0.7;
    transition: transform 0.2s ease;
}

.bday-lang-switcher-arrow--open {
    transform: rotate(180deg);
}

.bday-lang-switcher-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    min-width: 100%;
    background: linear-gradient(165deg, var(--bday-surface-soft), var(--bday-surface));
    border: 1px solid var(--bday-border);
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    z-index: 5;
    list-style: none;
    margin: 0;
    padding: 0;
}

.bday-lang-switcher-dropdown li {
    padding: 10px 16px;
    font-size: 0.78rem;
    color: var(--bday-ink-soft);
    white-space: nowrap;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.bday-lang-switcher-dropdown li:active {
    background-color: rgba(255, 255, 255, 0.08);
}

.bday-lang-switcher-option--active {
    color: var(--bday-gold) !important;
    font-weight: 700;
    background-color: rgba(227, 176, 75, 0.1);
}

.bday-cta-button {
    display: inline-block;
    margin-top: 22px;
    padding: 14px 32px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    box-shadow: 0 10px 30px -8px rgba(227, 176, 75, 0.5);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.bday-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px -8px rgba(227, 176, 75, 0.65);
}

/* CountdownTimer.tsx が出力する .pr-countdown* を、bday-hero の中でのみ黒×金に上書き */
.bday-hero .pr-countdown {
    margin-top: 20px;
    background: transparent;
    border: none;
    padding: 0;
}

.bday-hero .pr-countdown-label {
    color: var(--bday-ink-faint);
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.bday-hero .pr-countdown-units {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.bday-hero .pr-countdown-unit {
    background: var(--bday-surface-soft);
    border: 1px solid var(--bday-border);
    border-radius: 12px;
    padding: 10px 4px;
    min-width: 56px;
}

.bday-hero .pr-countdown-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--bday-gold-soft);
    font-variant-numeric: tabular-nums;
}

.bday-hero .pr-countdown-unit-label {
    display: block;
    font-size: 0.62rem;
    color: var(--bday-ink-faint);
    margin-top: 2px;
}

/* ---------- Bonus summary (Performer側) ---------- */

.bday-bonus-card {
    max-width: 560px;
    margin: 0 auto 20px;
    background: var(--bday-surface);
    border: 1px solid var(--bday-border);
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    animation: bday-fade-up 0.5s ease 0.1s both;
}

.bday-bonus-label {
    font-size: 0.75rem;
    color: var(--bday-ink-faint);
    letter-spacing: 0.04em;
    margin: 0 0 4px;
}

.bday-bonus-points {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--bday-ink);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.bday-bonus-points span,
.bday-bonus-amount span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--bday-ink-faint);
    margin-left: 2px;
}

.bday-bonus-divider {
    height: 1px;
    background: var(--bday-border);
    margin: 16px 0;
}

.bday-bonus-amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--bday-gold-soft);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

/* ---------- Ranking (Viewer側) ---------- */

.bday-ranking {
    position: relative;
    max-width: 560px;
    margin: 0 auto 20px;
    background: linear-gradient(160deg, var(--bday-surface) 0%, #120f0b 100%);
    border: 1px solid var(--bday-border);
    border-radius: 20px;
    padding: 24px;
    overflow: hidden;
    animation: bday-fade-up 0.5s ease 0.15s both;
}

.bday-ranking::before {
    content: "";
    position: absolute;
    top: -40%;
    left: 50%;
    width: 280px;
    height: 280px;
    transform: translateX(-50%);
    background: radial-gradient(circle, rgba(227, 176, 75, 0.16) 0%, transparent 70%);
    pointer-events: none;
}

.bday-ranking-header {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin: 0 0 20px;
}

.bday-ranking-header-icon {
    color: var(--bday-gold);
    font-size: 0.95rem;
    filter: drop-shadow(0 0 6px rgba(227, 176, 75, 0.5));
}

.bday-ranking-title {
    position: relative;
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--bday-ink);
    margin: 0;
}

.bday-ranking-empty {
    text-align: center;
    color: var(--bday-ink-faint);
    padding: 24px 0;
    font-size: 0.88rem;
}

.bday-ranking-empty i {
    display: inline-block;
    animation: bday-pulse-fade 1.8s ease-in-out infinite;
}

.bday-podium {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1.18fr 1fr;
    gap: 10px;
    align-items: end;
    margin-bottom: 24px;
}

.bday-podium-card {
    position: relative;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), var(--bday-surface-soft) 40%);
    border: 1px solid var(--bday-border);
    border-radius: 16px;
    padding: 34px 8px 14px;
    text-align: center;
    opacity: 0;
    transform: translateY(16px) scale(0.94);
    animation: bday-podium-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both;
    transition: transform 0.2s ease;
}

.bday-podium-card:active {
    transform: scale(0.97);
}

.bday-podium-card--rank1 {
    padding-top: 40px;
    padding-bottom: 20px;
    border-color: var(--bday-gold-deep);
    background: linear-gradient(180deg, rgba(227, 176, 75, 0.18), var(--bday-surface-soft) 55%);
    box-shadow: 0 0 0 1px rgba(227, 176, 75, 0.15), 0 12px 30px -10px rgba(227, 176, 75, 0.35);
    animation: bday-podium-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both, bday-rank1-glow 2.6s ease-in-out 0.6s infinite;
    z-index: 1;
}

.bday-podium-card--rank2 {
    border-color: var(--bday-silver-deep);
    background: linear-gradient(180deg, rgba(215, 219, 226, 0.1), var(--bday-surface-soft) 55%);
}

.bday-podium-card--rank3 {
    border-color: var(--bday-bronze-deep);
    background: linear-gradient(180deg, rgba(213, 145, 92, 0.12), var(--bday-surface-soft) 55%);
}

.bday-podium-crown {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--bday-gold);
    font-size: 1.2rem;
    filter: drop-shadow(0 0 6px rgba(227, 176, 75, 0.7));
    animation: bday-crown-bounce 2.2s ease-in-out infinite;
}

.bday-podium-card--you {
    animation: bday-podium-in 0.5s cubic-bezier(0.2, 0.8, 0.2, 1) both, bday-you-glow 2s ease-in-out infinite;
}

.bday-podium-you-tag {
    position: absolute;
    top: 8px;
    right: 8px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    padding: 3px 7px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(227, 176, 75, 0.5);
}

.bday-podium-you-tag i {
    font-size: 0.55rem;
}

.bday-podium-avatar {
    position: relative;
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--bday-surface-soft), var(--bday-bg));
    border: 2px solid var(--bday-border);
    color: var(--bday-ink-faint);
    font-size: 1.1rem;
}

.bday-podium-card--rank1 .bday-podium-avatar {
    width: 54px;
    height: 54px;
    border-color: var(--bday-gold);
    color: var(--bday-gold-soft);
    box-shadow: 0 0 16px rgba(227, 176, 75, 0.4);
}

.bday-podium-card--rank2 .bday-podium-avatar {
    border-color: var(--bday-silver-deep);
    color: var(--bday-silver-soft);
}

.bday-podium-card--rank3 .bday-podium-avatar {
    border-color: var(--bday-bronze-deep);
    color: var(--bday-bronze-soft);
}

.bday-podium-badge {
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bday-border);
    color: var(--bday-ink);
    font-weight: 800;
    font-size: 0.72rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bday-surface);
}

.bday-podium-card--rank1 .bday-podium-badge {
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
}

.bday-podium-card--rank2 .bday-podium-badge {
    background: linear-gradient(135deg, var(--bday-silver-deep), var(--bday-silver));
    color: #23262b;
}

.bday-podium-card--rank3 .bday-podium-badge {
    background: linear-gradient(135deg, var(--bday-bronze-deep), var(--bday-bronze));
    color: #2a1608;
}

.bday-podium-name {
    font-size: 0.78rem;
    color: var(--bday-ink-soft);
    margin: 6px 0 4px;
    word-break: break-word;
}

.bday-podium-duration {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--bday-gold-soft);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.bday-podium-card--rank1 .bday-podium-duration {
    font-size: 1.2rem;
    background: linear-gradient(100deg, var(--bday-gold-soft), var(--bday-gold) 50%, var(--bday-gold-soft));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: bday-shimmer 3.5s linear infinite;
}

.bday-podium-card--rank2 .bday-podium-duration {
    color: var(--bday-silver-soft);
}

.bday-podium-card--rank3 .bday-podium-duration {
    color: var(--bday-bronze-soft);
}

.bday-ranking-table-wrapper {
    overflow-x: auto;
}

.bday-ranking-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 6px;
    font-size: 0.85rem;
    margin-top: -6px;
}

.bday-ranking-table th {
    text-align: left;
    color: var(--bday-ink-faint);
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 4px 6px 10px;
}

.bday-ranking-table tbody tr {
    background: rgba(255, 255, 255, 0.02);
    opacity: 0;
    transform: translateX(-8px);
    animation: bday-row-in 0.4s ease both;
}

.bday-ranking-table td {
    padding: 10px 6px;
    color: var(--bday-ink-soft);
    font-variant-numeric: tabular-nums;
}

.bday-ranking-table td:first-child {
    border-radius: 10px 0 0 10px;
}

.bday-ranking-table td:last-child {
    border-radius: 0 10px 10px 0;
}

.bday-ranking-rank-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--bday-surface-soft);
    border: 1px solid var(--bday-border);
    color: var(--bday-ink-soft);
    font-size: 0.72rem;
    font-weight: 700;
}

.bday-ranking-row-you {
    background: linear-gradient(90deg, rgba(227, 176, 75, 0.14), rgba(227, 176, 75, 0.02)) !important;
    box-shadow: inset 0 0 0 1px rgba(227, 176, 75, 0.35);
}

.bday-ranking-row-you td {
    color: var(--bday-gold-soft);
    font-weight: 700;
}

.bday-ranking-row-you .bday-ranking-rank-chip {
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    border-color: transparent;
}

.bday-ranking-name-cell {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.bday-ranking-name-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bday-ranking-row-you-tag {
    flex: none;
    display: inline-flex;
    align-items: center;
    padding: 1px 6px;
    border-radius: 999px;
    font-size: 0.6rem;
    font-weight: 800;
    color: #201304;
    background: var(--bday-gold);
}

.bday-your-rank-card {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    color: var(--bday-ink-soft);
    font-size: 0.85rem;
}

.bday-support-now-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    max-width: 560px;
    margin: 20px auto 0;
    padding: 15px 24px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    text-decoration: none;
    box-shadow: 0 10px 30px -8px rgba(227, 176, 75, 0.5);
    animation: bday-support-glow 2.4s ease-in-out infinite;
    transition: transform 0.15s ease;
}

.bday-support-now-button:active {
    transform: scale(0.98);
}

.bday-support-now-button i {
    font-size: 0.9rem;
    animation: bday-heartbeat 1.4s ease-in-out infinite;
}

.bday-fab-profile,
.bday-fab-payment {
    position: fixed;
    right: calc(18px + env(safe-area-inset-right));
    width: 54px;
    height: 54px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    font-size: 1.25rem;
    text-decoration: none;
    box-shadow: 0 10px 26px -6px rgba(227, 176, 75, 0.6);
    animation: bday-support-glow 2.4s ease-in-out infinite;
    z-index: 40;
    transition: transform 0.15s ease;
}

.bday-fab-profile {
    bottom: calc(22px + env(safe-area-inset-bottom));
}

.bday-fab-payment {
    bottom: calc(22px + 54px + 14px + env(safe-area-inset-bottom));
}

.bday-fab-profile:active,
.bday-fab-payment:active {
    transform: scale(0.94);
}

.bday-fab-profile i {
    animation: bday-heartbeat 1.4s ease-in-out infinite;
}

/* ---------- About (Viewer側) ---------- */

.bday-about {
    max-width: 560px;
    margin: 20px auto 0;
    background: var(--bday-surface);
    border: 1px solid var(--bday-border);
    border-radius: 20px;
    padding: 24px;
}

.bday-about-heading {
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--bday-ink);
    margin: 0 0 16px;
}

.bday-about-feeling {
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--bday-gold-soft);
    margin: 0 0 18px;
}

.bday-about-heading i {
    color: var(--bday-gold);
    margin-right: 2px;
}

.bday-about-details {
    margin: 0 0 18px;
    padding: 0;
    list-style: none;
    color: var(--bday-ink-soft);
    font-size: 0.82rem;
    line-height: 1.7;
}

.bday-about-details li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
}

.bday-about-details li:last-child {
    margin-bottom: 0;
}

.bday-about-details li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bday-gold-deep);
}

.bday-about-learn-more {
    display: block;
    text-align: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--bday-gold);
    letter-spacing: 0.02em;
    border-top: 1px dashed var(--bday-border);
    padding-top: 14px;
}

/* ---------- Announcement letter (対象ではない別のPerformerさんへ) ----------
   本人向けhero/aboutとは表示内容・意図がまったく異なる（アプリ全体への告知レター）ため、
   .bday-about等の既存カード意匠は流用せず、専用のbday-announce-*で独立して組む。 */

.bday-announce-intro {
    max-width: 560px;
    margin: 28px auto 22px;
    text-align: center;
    animation: bday-fade-up 0.5s ease both;
}

.bday-announce-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(255, 111, 174, 0.22), rgba(255, 111, 174, 0.08));
    border: 1px solid rgba(255, 111, 174, 0.45);
    color: var(--bday-rose-soft);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.bday-announce-headline {
    font-size: clamp(1.35rem, 5.5vw, 1.8rem);
    font-weight: 800;
    line-height: 1.4;
    margin: 0 0 10px;
    background: linear-gradient(100deg, var(--bday-gold-soft) 0%, var(--bday-gold) 40%, var(--bday-gold-soft) 60%, var(--bday-gold) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: bday-shimmer 4s linear infinite;
}

.bday-announce-subheadline {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--bday-rose-soft);
    margin: 0;
    animation: bday-pulse-fade 2.4s ease-in-out infinite;
}

.bday-announce-letter {
    position: relative;
    max-width: 560px;
    margin: 0 auto 20px;
    background: linear-gradient(160deg, var(--bday-surface) 0%, #120f0b 100%);
    border: 1px solid var(--bday-border);
    border-radius: 20px;
    padding: 40px 24px 28px;
    animation: bday-fade-up 0.5s ease 0.1s both;
}

.bday-announce-letter-mark {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bday-gold-deep), var(--bday-gold));
    color: #201304;
    font-size: 1.1rem;
    box-shadow: 0 8px 20px -4px rgba(227, 176, 75, 0.55), 0 0 0 4px var(--bday-bg);
}

.bday-announce-paragraph {
    font-size: 0.9rem;
    line-height: 1.85;
    color: var(--bday-ink-soft);
    margin: 0 0 16px;
    white-space: pre-wrap;
}

.bday-announce-paragraph:last-child {
    margin-bottom: 0;
}

.bday-announce-section {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px dashed var(--bday-border);
}

.bday-announce-section-heading {
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.5;
    margin: 0 0 14px;
    color: var(--bday-ink);
}

.bday-announce-section--team {
    border-left: 3px solid var(--bday-gold-deep);
    padding-left: 16px;
    margin-left: -16px;
    border-top: none;
}

.bday-announce-section--next {
    border-left: 3px solid var(--bday-rose);
    padding-left: 16px;
    margin-left: -16px;
}

.bday-announce-cta {
    position: relative;
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(160deg, rgba(227, 176, 75, 0.14), rgba(227, 176, 75, 0.03));
    border: 1px solid var(--bday-gold-deep);
    border-radius: 20px;
    padding: 30px 22px 26px;
    animation: bday-fade-up 0.5s ease 0.15s both, bday-cta-card-glow 3s ease-in-out infinite;
}

.bday-announce-cta-title {
    font-size: clamp(1.25rem, 5vw, 1.55rem);
    font-weight: 800;
    line-height: 1.35;
    margin: 0 0 10px;
    background: linear-gradient(100deg, var(--bday-gold-soft) 0%, var(--bday-gold) 40%, var(--bday-gold-soft) 60%, var(--bday-gold) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: bday-shimmer 4s linear infinite;
}

.bday-announce-cta-text {
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--bday-ink-soft);
    margin: 0 0 16px;
}

.bday-announce-cta-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: rgba(227, 176, 75, 0.12);
    color: var(--bday-gold);
    font-size: 0.85rem;
    animation: bday-crown-bounce 2.2s ease-in-out infinite;
}

.bday-announce-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 0;
    animation: bday-support-glow 2.4s ease-in-out infinite;
}

.bday-announce-cta-button i {
    font-size: 0.8rem;
}

/* ---------- Animations ---------- */

@keyframes bday-fade-up {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bday-twinkle {
    0%, 100% { opacity: 0.2; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.3); }
}

@keyframes bday-shimmer {
    to { background-position: 200% center; }
}

@keyframes bday-podium-in {
    from { opacity: 0; transform: translateY(16px) scale(0.94); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes bday-rank1-glow {
    0%, 100% { box-shadow: 0 0 0 1px rgba(227, 176, 75, 0.15), 0 12px 30px -10px rgba(227, 176, 75, 0.35); }
    50% { box-shadow: 0 0 0 1px rgba(227, 176, 75, 0.35), 0 16px 40px -8px rgba(227, 176, 75, 0.55); }
}

@keyframes bday-cta-card-glow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(227, 176, 75, 0); }
    50% { box-shadow: 0 0 24px 2px rgba(227, 176, 75, 0.18); }
}

@keyframes bday-crown-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-4px); }
}

@keyframes bday-you-glow {
    0%, 100% { box-shadow: 0 0 0 2px var(--bday-gold), 0 0 16px rgba(227, 176, 75, 0.4); }
    50% { box-shadow: 0 0 0 2px var(--bday-gold-soft), 0 0 26px rgba(227, 176, 75, 0.7); }
}

@keyframes bday-row-in {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes bday-pulse-fade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

@keyframes bday-support-glow {
    0%, 100% { box-shadow: 0 10px 30px -8px rgba(227, 176, 75, 0.5); }
    50% { box-shadow: 0 10px 36px -6px rgba(227, 176, 75, 0.8); }
}

@keyframes bday-heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

@keyframes bday-live-pulse {
    0% { box-shadow: 0 0 0 0 rgba(227, 176, 75, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(227, 176, 75, 0); }
    100% { box-shadow: 0 0 0 0 rgba(227, 176, 75, 0); }
}

@keyframes bday-status-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@media (prefers-reduced-motion: reduce) {
    .bday-hero,
    .bday-bonus-card,
    .bday-ranking,
    .bday-podium-card,
    .bday-ranking-table tbody tr,
    .bday-announce-intro,
    .bday-announce-letter,
    .bday-announce-cta {
        animation: none !important;
        transition: none !important;
        opacity: 1 !important;
        transform: none !important;
    }

    .bday-hero-sparkle,
    .bday-hero-title,
    .bday-podium-crown,
    .bday-podium-card--rank1 .bday-podium-duration,
    .bday-ranking-empty i,
    .bday-support-now-button,
    .bday-support-now-button i,
    .bday-fab-profile,
    .bday-fab-profile i,
    .bday-fab-payment,
    .bday-hero-status-dot,
    .bday-announce-headline,
    .bday-announce-subheadline,
    .bday-announce-cta-title,
    .bday-announce-cta-button,
    .bday-announce-cta-arrow {
        animation: none !important;
    }
}