/**
 * パスポートアプリ紹介ページ固有スタイル
 *
 * page-passport-app.php（保護者向け PWA の紹介・ホーム画面追加手順）で読み込む。
 * トップページの小型バナーは front-page.css 側。
 */

/* ==========================================================================
   パスポートアプリ紹介セクション（保護者向け PWA）
   ========================================================================== */

.passport-section,
.passport-section *,
.passport-section *::before,
.passport-section *::after {
    box-sizing: border-box;
}

.passport-section {
    --text-main: #0f172a;
    --text-sub: #64748b;
    position: relative;
    padding: 5rem 2rem;
    color: var(--text-main);
    background: linear-gradient(180deg, #ffffff 0%, #eff6ff 45%, #dbeafe 100%);
}

.passport-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(30, 64, 175, 0.25), transparent);
}

.section-header__badge--passport {
    background: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

.passport-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
    gap: 4rem;
    align-items: center;
}

.passport-section__container {
    max-width: 1400px;
    margin: 0 auto;
}

.passport-section__title {
    margin: 0 0 0.5rem;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
}

.passport-section__subtitle {
    margin: 0;
    max-width: 36rem;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-sub);
}

/* 機能リスト */
.passport-features {
    list-style: none;
    padding: 0;
    margin: 1.75rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.passport-features__item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-main);
}

.passport-features__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 0.625rem;
    background: #ffffff;
    border: 1px solid #bfdbfe;
    color: var(--accent, #1e40af);
}

/* CTA */
.passport-actions {
    margin-top: 2rem;
}

.passport-actions__primary {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.9375rem 1.75rem;
    background: var(--accent, #1e40af);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 0.875rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(30, 64, 175, 0.3);
    transition: all 0.3s ease;
}

.passport-actions__primary:hover {
    background: #1e3a8a;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(30, 64, 175, 0.45);
}

.passport-actions__note {
    margin: 0.875rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-sub);
}

/* 右カラム: アプリカード */
.passport-card {
    background: #ffffff;
    border: 1px solid #bfdbfe;
    border-radius: 1.25rem;
    padding: 1.75rem;
    box-shadow: 0 10px 30px -10px rgba(30, 64, 175, 0.25);
}

.passport-card__app {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.passport-card__app-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0.875rem;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
    flex-shrink: 0;
}

.passport-card__app-text {
    min-width: 0;
}

.passport-card__app-name {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-main);
}

.passport-card__app-meta {
    margin: 0.125rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-sub);
}

/* QR（PC で見ている人向け。スマホでは読み取れないので隠す） */
.passport-card__qr {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f8fafc;
    border: 1px dashed #bfdbfe;
    border-radius: 1rem;
}

.passport-card__qr-img {
    width: 7.5rem;
    height: 7.5rem;
    border-radius: 0.5rem;
    background: #ffffff;
    flex-shrink: 0;
}

.passport-card__qr-note {
    margin: 0;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--text-sub);
}

/* ホーム画面追加手順 */
.passport-card__steps {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.passport-card__steps-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 0.875rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
}

.passport-step + .passport-step {
    margin-top: 0.75rem;
}

.passport-step__os {
    margin: 0 0 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent, #1e40af);
}

.passport-step__list {
    margin: 0;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    line-height: 1.8;
    color: var(--text-sub);
}

.passport-step__inline-icon {
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    vertical-align: -0.125rem;
    color: var(--text-main);
}

@media (max-width: 1023px) {
    .passport-section {
        padding: 3.5rem 1.5rem;
    }

    .passport-section__title {
        font-size: 1.375rem;
    }

    .passport-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* スマホ・タブレットは自分の端末で開けばよいので QR は不要 */
    .passport-card__qr {
        display: none;
    }
}

@media (max-width: 640px) {
    .passport-section {
        padding: 3rem 1rem;
    }

    .passport-actions__primary {
        width: 100%;
        justify-content: center;
    }

    .passport-card {
        padding: 1.25rem;
    }
}

/* ==========================================================================
   ページヒーロー（紹介ページ）
   ========================================================================== */

.page-hero--passport .page-hero__background {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 0%, rgba(30, 64, 175, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 100%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.page-hero__badge--passport {
    background: #dbeafe;
    border-color: #93c5fd;
    color: #1e40af;
}

.page-hero--passport .page-hero__title-icon {
    color: #1e40af;
}