/* ============================================
   Onboarding（初回起動の追体験ツアー）
   ============================================ */

.onboarding {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: linear-gradient(180deg, #faf6f1 0%, #f4ede4 60%, #ede3d5 100%);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transition: opacity 0.4s ease;
    cursor: pointer;
}

/* タップヒント */
.onboarding__tap-hint {
    position: absolute;
    bottom: 130px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-serif);
    font-size: 0.72rem;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    opacity: 0.7;
    pointer-events: none;
    z-index: 3;
    animation: tapHintPulse 2.5s ease-in-out infinite;
}

@keyframes tapHintPulse {
    0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.9; transform: translateX(-50%) translateY(-4px); }
}

.onboarding.is-leaving {
    opacity: 0;
    pointer-events: none;
}

/* 背景：ふわっと光るエクソソーム粒子 */
.onboarding::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 18% 22%, rgba(201, 137, 154, 0.15) 0%, transparent 35%),
        radial-gradient(circle at 82% 78%, rgba(142, 180, 199, 0.13) 0%, transparent 40%),
        radial-gradient(circle at 60% 12%, rgba(201, 169, 110, 0.1) 0%, transparent 35%);
    pointer-events: none;
}

/* 浮遊する粒子（5個） */
.onboarding__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.onboarding__particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(201, 137, 154, 0.35) 70%);
    box-shadow: 0 0 12px rgba(201, 137, 154, 0.25);
    opacity: 0.5;
}

.onboarding__particle:nth-child(1) { width: 18px; height: 18px; top: 12%; left: 8%; animation: onbFloat 14s ease-in-out infinite; }
.onboarding__particle:nth-child(2) { width: 24px; height: 24px; top: 28%; right: 12%; animation: onbFloat 17s ease-in-out 1s infinite; }
.onboarding__particle:nth-child(3) { width: 14px; height: 14px; bottom: 28%; left: 14%; animation: onbFloat 13s ease-in-out 2s infinite; }
.onboarding__particle:nth-child(4) { width: 20px; height: 20px; bottom: 18%; right: 18%; animation: onbFloat 16s ease-in-out 0.5s infinite; }
.onboarding__particle:nth-child(5) { width: 16px; height: 16px; top: 50%; left: 50%; animation: onbFloat 15s ease-in-out 2.5s infinite; }

@keyframes onbFloat {
    0%, 100% { transform: translate(0, 0); opacity: 0.5; }
    50% { transform: translate(15px, -20px); opacity: 0.85; }
}

/* ヘッダー（スキップボタン） */
.onboarding__header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: env(safe-area-inset-top, 16px) 20px 0;
    padding-top: max(env(safe-area-inset-top, 0), 16px);
    display: flex;
    justify-content: flex-end;
    z-index: 3;
    pointer-events: none;
}

.onboarding__skip {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-family: var(--font-serif);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    letter-spacing: 0.15em;
    transition: all 0.2s;
}

.onboarding__skip:hover {
    background: #fff;
    color: var(--color-text);
}

.onboarding__skip[hidden] {
    display: none;
}

/* スライドコンテナ */
.onboarding__slides {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 24px 120px;
    z-index: 2;
}

.onboarding__slide {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 24px 120px;
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    text-align: center;
}

.onboarding__slide.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.onboarding__slide.is-prev {
    transform: translateX(-40px);
}

/* スライド内のビジュアル */
.onboarding__visual {
    margin-bottom: 32px;
    position: relative;
    max-width: 320px;
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    min-height: 220px;
}

/* 体内マップミニ用（オンボーディング2枚目） */
.onboarding__visual--bodymap {
    min-height: 240px;
    align-items: center;
    justify-content: center;
    overflow: visible;
    display: block;
    text-align: center;
}

.charmap--mini {
    width: 220px !important;
    height: 220px !important;
    max-width: 220px;
    aspect-ratio: 1 / 1;
    margin: 0 auto;
    position: relative;
    flex-shrink: 0;
    display: block;
}

.charmap--mini .charmap__face {
    width: 50%;
    height: 50%;
    /* 絶対配置でビジュアル枠の中央に固定 */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.charmap--mini .charmap__halo,
.charmap--mini .charmap__ring {
    /* 枠から飛び出さないように */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.charmap--mini .charmap__point {
    /* 各ポイントを枠の中央から相対配置にし直す */
    transform: translate(-50%, -50%);
}

.charmap--mini .charmap__point-bubble {
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
}

.charmap--mini .charmap__point-label {
    display: none;
}

/* アニメーション抑制：ミニマップは派手にならないように */
.charmap--mini .charmap__face {
    animation: none;
}

@media (max-width: 380px) {
    .charmap--mini {
        width: 190px;
        height: 190px;
    }
    .charmap--mini .charmap__point-bubble {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
}

/* 3キャラ並び（Welcome / Start用） */
.onboarding__trio {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 4px;
}

.onboarding__trio-member {
    width: 110px;
    height: 110px;
}

.onboarding__trio-member--middle {
    width: 140px;
    height: 140px;
    transform: translateY(-10px);
}

.onboarding__trio-member img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 6px 14px rgba(46, 38, 34, 0.12));
}

/* 1キャラのスポット表示 */
.onboarding__hero {
    position: relative;
}

.onboarding__hero-char {
    width: 200px;
    height: 200px;
    position: relative;
    z-index: 2;
}

.onboarding__hero-char img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 8px 20px rgba(46, 38, 34, 0.15));
    animation: heroFloat 4s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* キャラ後ろの光輪 */
.onboarding__halo {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 137, 154, 0.18) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    z-index: 1;
    animation: haloPulse 4s ease-in-out infinite;
}

.onboarding__halo--gold {
    background: radial-gradient(circle, rgba(201, 169, 110, 0.18) 0%, transparent 60%);
}

.onboarding__halo--brown {
    background: radial-gradient(circle, rgba(167, 138, 107, 0.18) 0%, transparent 60%);
}

@keyframes haloPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

/* Kimito-Linkロゴ（Welcomeスライド用） */
.onboarding__brand {
    text-align: center;
    margin-bottom: 28px;
}

.onboarding__brand-logo {
    height: 56px;
    width: auto;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 12px rgba(31, 64, 117, 0.15));
}

.onboarding__brand-sub {
    font-family: var(--font-serif);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* スライドのテキスト */
.onboarding__chip {
    display: inline-block;
    font-family: var(--font-serif);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--color-text-muted);
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
    margin-bottom: 14px;
}

.onboarding__title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 5.5vw, 1.9rem);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-text);
    letter-spacing: 0.08em;
    margin: 0 0 14px;
    max-width: 420px;
}

.onboarding__title em {
    font-style: normal;
    color: var(--color-primary);
}

.onboarding__desc {
    font-size: 0.92rem;
    line-height: 1.85;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    max-width: 380px;
    margin: 0 auto;
}

.onboarding__desc strong {
    color: var(--color-text);
    font-weight: 600;
}

/* 機能ハイライト3点 */
.onboarding__features {
    list-style: none;
    margin: 16px auto 0;
    padding: 0;
    max-width: 320px;
    text-align: left;
}

.onboarding__features li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 0.88rem;
    color: var(--color-text);
    line-height: 1.6;
    letter-spacing: 0.03em;
}

.onboarding__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 8px;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.95rem;
}

/* フッター */
.onboarding__footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px max(env(safe-area-inset-bottom, 20px), 28px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 3;
    background: linear-gradient(180deg, transparent 0%, rgba(250, 246, 241, 0.9) 35%, var(--color-bg-section) 100%);
}

/* ドットインジケータ */
.onboarding__dots {
    display: flex;
    gap: 10px;
    align-items: center;
}

.onboarding__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(167, 138, 107, 0.3);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s;
}

.onboarding__dot.is-active {
    width: 28px;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

/* CTA ボタン */
.onboarding__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(201, 137, 154, 0.3);
    transition: all 0.2s;
    min-width: 200px;
}

.onboarding__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 137, 154, 0.4);
}

.onboarding__cta:active {
    transform: translateY(0);
}

.onboarding__cta-arrow {
    transition: transform 0.2s;
}

.onboarding__cta:hover .onboarding__cta-arrow {
    transform: translateX(4px);
}

/* レスポンシブ */
@media (max-width: 380px) {
    .onboarding__title {
        font-size: 1.4rem;
    }
    .onboarding__desc {
        font-size: 0.85rem;
    }
    .onboarding__hero-char {
        width: 160px;
        height: 160px;
    }
    .onboarding__halo {
        width: 220px;
        height: 220px;
    }
    .onboarding__trio-member {
        width: 90px;
        height: 90px;
    }
    .onboarding__trio-member--middle {
        width: 115px;
        height: 115px;
    }
}

/* アニメ抑制設定 */
@media (prefers-reduced-motion: reduce) {
    .onboarding__particle,
    .onboarding__hero-char img,
    .onboarding__halo {
        animation: none !important;
    }
}