:root {
    --intro-bg: rgba(255, 249, 250, 0.96);
    --intro-panel: rgba(255, 253, 253, 0.84);
    --intro-line: rgba(255, 164, 186, 0.3);
    --intro-line-strong: rgba(255, 137, 166, 0.65);
    --intro-pink: #ff8cab;
    --intro-pink-deep: #f26f92;
    --intro-text: #5c4350;
    --intro-muted: #90727e;
    --intro-shadow: 0 24px 60px rgba(241, 145, 172, 0.18);
    --intro-progress: 0%;
}

body.home-intro-open {
    overflow: hidden;
}

.home-intro-overlay[hidden] {
    display: none;
}

.home-intro-overlay {
    position: fixed;
    inset: 0;
    z-index: 1400;
    display: grid;
    place-items: center;
    padding: 28px 16px max(28px, env(safe-area-inset-bottom));
    overflow: hidden;
}

.home-intro-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top, rgba(255, 255, 255, 0.82), transparent 40%),
        linear-gradient(180deg, rgba(255, 240, 245, 0.96), rgba(255, 250, 251, 0.98));
}

.home-intro-backdrop::before,
.home-intro-backdrop::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(6px);
    opacity: 0.58;
}

.home-intro-backdrop::before {
    width: min(46vw, 420px);
    height: min(46vw, 420px);
    top: -8%;
    left: -6%;
    background: radial-gradient(circle, rgba(255, 215, 226, 0.9), rgba(255, 215, 226, 0));
}

.home-intro-backdrop::after {
    width: min(38vw, 340px);
    height: min(38vw, 340px);
    right: -4%;
    bottom: 6%;
    background: radial-gradient(circle, rgba(255, 232, 239, 0.95), rgba(255, 232, 239, 0));
}

.home-intro-panel {
    position: relative;
    z-index: 1;
    width: min(100%, 560px);
    padding: 34px 32px;
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: 36px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 250, 251, 0.82)),
        var(--intro-panel);
    box-shadow: var(--intro-shadow);
    backdrop-filter: blur(14px);
}

.home-intro-overlay.is-leaving {
    pointer-events: none;
}

.home-intro-overlay.is-leaving .home-intro-backdrop,
.home-intro-overlay.is-leaving .home-intro-panel {
    opacity: 0;
    transition: opacity 260ms ease;
}

.home-intro-variant {
    display: grid;
    justify-items: center;
    gap: 16px;
    text-align: center;
}

.home-intro-variant[hidden] {
    display: none !important;
}

.home-intro-kicker {
    margin: 0;
    color: var(--intro-pink-deep);
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 1;
}

.home-intro-percent {
    margin: -2px 0 0;
    color: var(--intro-pink-deep);
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 0.04em;
    line-height: 1;
}

.home-intro-title {
    margin: 0;
    color: var(--intro-text);
    font-size: clamp(32px, 4.6vw, 42px);
    line-height: 1.05;
}

.home-intro-copy {
    margin: 0;
    color: var(--intro-muted);
    font-size: clamp(15px, 2.6vw, 18px);
    font-weight: 700;
    line-height: 1.6;
}

.home-intro-progress,
.home-intro-walk-track {
    position: relative;
    width: min(100%, 340px);
    height: 16px;
    border-radius: 999px;
    background: rgba(255, 219, 229, 0.72);
    border: 1px solid rgba(255, 166, 189, 0.28);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.7);
    overflow: visible;
}

.home-intro-progress-fill,
.home-intro-walk-track-fill {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, #ffd8e4 0%, #ffb6ca 54%, #ff88aa 100%);
    box-shadow: 0 8px 20px rgba(255, 148, 177, 0.28);
}

.home-intro-wave-frame {
    position: relative;
    display: grid;
    place-items: center;
    width: min(72vw, 270px);
    aspect-ratio: 1;
    margin-top: 4px;
}

.home-intro-wave-ring,
.home-intro-wave-glow {
    position: absolute;
    inset: 0;
    border-radius: 50%;
}

.home-intro-wave-ring-outer {
    background:
        conic-gradient(
            from -90deg,
            #ff92af 0 var(--intro-progress),
            rgba(255, 210, 223, 0.84) var(--intro-progress) 100%
        );
    box-shadow:
        0 0 0 10px rgba(255, 240, 245, 0.8),
        0 14px 26px rgba(255, 170, 193, 0.24);
    -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 12px), #000 calc(100% - 11px));
    mask: radial-gradient(farthest-side, transparent calc(100% - 12px), #000 calc(100% - 11px));
}

.home-intro-wave-ring-inner {
    inset: 16px;
    border: 1px dashed rgba(255, 145, 176, 0.42);
    animation: homeIntroSpin 14s linear infinite;
}

.home-intro-wave-glow {
    inset: 10%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.96), rgba(255, 238, 245, 0.56) 66%, rgba(255, 238, 245, 0));
    transform: scale(0.98);
}

.home-intro-wave-gif {
    position: relative;
    width: 72%;
    max-width: 200px;
    z-index: 1;
    filter: brightness(1.03) contrast(1.06) saturate(1.02) drop-shadow(0 12px 18px rgba(255, 153, 178, 0.16));
}

.home-intro-walk {
    gap: 22px;
}

.home-intro-walk-stage {
    width: min(100%, 380px);
    padding-top: 68px;
}

.home-intro-walk-track {
    width: 100%;
    height: 18px;
}

.home-intro-walk-track::before {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: inherit;
    border: 1px dashed rgba(255, 177, 196, 0.5);
    opacity: 0.4;
}

.home-intro-walk-gif {
    position: absolute;
    left: 0;
    bottom: calc(100% - 4px);
    width: clamp(84px, 18vw, 112px);
    transform: translateX(-18%);
    transform-origin: center center;
    filter: brightness(1.03) contrast(1.06) saturate(1.02) drop-shadow(0 12px 14px rgba(255, 153, 178, 0.14));
    will-change: transform;
}

@keyframes homeIntroSpin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 760px) {
    .home-intro-overlay {
        padding-top: 18px;
        padding-bottom: max(24px, env(safe-area-inset-bottom));
    }

    .home-intro-panel {
        width: min(100%, 420px);
        padding: 28px 18px 24px;
        border-radius: 28px;
    }

    .home-intro-kicker {
        font-size: 18px;
    }

    .home-intro-percent {
        font-size: 24px;
    }

    .home-intro-progress,
    .home-intro-walk-track {
        width: min(78vw, 320px);
    }

    .home-intro-wave-frame {
        width: min(74vw, 236px);
    }

    .home-intro-walk-stage {
        padding-top: 60px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .home-intro-wave-ring-inner {
        animation: none;
    }

    .home-intro-overlay.is-leaving .home-intro-backdrop,
    .home-intro-overlay.is-leaving .home-intro-panel {
        transition-duration: 120ms;
    }
}