/* ================================================================
   トレジャーマインスイーパー Support — Apple HIG Design System
   ================================================================ */

:root {
    /* ── Typography ── */
    --hig-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
    --hig-font-large-title: 34px;
    --hig-font-title1: 28px;
    --hig-font-title2: 22px;
    --hig-font-title3: 20px;
    --hig-font-headline: 17px;
    --hig-font-body: 17px;
    --hig-font-callout: 16px;
    --hig-font-subheadline: 15px;
    --hig-font-footnote: 13px;
    --hig-font-caption1: 12px;
    --hig-font-caption2: 11px;

    /* ── Colors (Light) ── */
    --hig-color-blue: #007AFF;
    --hig-color-blue-hover: #0060CC;
    --hig-color-green: #34C759;
    --hig-color-red: #FF3B30;
    --hig-color-orange: #FF9500;
    --hig-color-yellow: #FFD60A;
    --hig-color-label: #000000;
    --hig-color-secondary-label: rgba(60, 60, 67, 0.6);
    --hig-color-tertiary-label: rgba(60, 60, 67, 0.3);
    --hig-color-quaternary-label: rgba(60, 60, 67, 0.18);
    --hig-color-system-bg: #FFFFFF;
    --hig-color-secondary-bg: #F2F2F7;
    --hig-color-tertiary-bg: #FFFFFF;
    --hig-color-grouped-bg: #F2F2F7;
    --hig-color-secondary-grouped-bg: #FFFFFF;
    --hig-color-separator: rgba(60, 60, 67, 0.29);
    --hig-color-opaque-separator: #C6C6C8;
    --hig-color-fill: rgba(120, 120, 128, 0.2);
    --hig-color-secondary-fill: rgba(120, 120, 128, 0.16);
    --hig-color-tertiary-fill: rgba(118, 118, 128, 0.12);

    /* ── Spacing (8pt grid) ── */
    --hig-space-xs: 4px;
    --hig-space-sm: 8px;
    --hig-space-md: 16px;
    --hig-space-lg: 24px;
    --hig-space-xl: 32px;
    --hig-space-2xl: 40px;
    --hig-space-3xl: 48px;

    /* ── Border Radius ── */
    --hig-radius-sm: 8px;
    --hig-radius-md: 12px;
    --hig-radius-lg: 16px;
    --hig-radius-xl: 20px;

    /* ── Shadows ── */
    --hig-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --hig-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --hig-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);

    /* ── App-specific ── */
    --app-max-width: 960px;
    --app-content-padding: clamp(16px, 4vw, 24px);

    /* ── Accent Colors (Light) ── */
    --app-accent: #ECB209;
    --app-accent-hover: #D4A008;
    --app-accent-text: var(--app-accent);
    --app-accent-on-color: #000000;
    --app-accent-sub: #684333;
    --app-accent-gradient-end: #F2C953;
    --app-accent-gradient: linear-gradient(135deg, var(--app-accent), var(--app-accent-gradient-end));
}

/* ── Dark Mode ── */
@media (prefers-color-scheme: dark) {
    :root {
        --hig-color-blue: #0A84FF;
        --hig-color-blue-hover: #409CFF;
        --hig-color-green: #30D158;
        --hig-color-red: #FF453A;
        --hig-color-orange: #FF9F0A;
        --hig-color-yellow: #FFD60A;
        --hig-color-label: #FFFFFF;
        --hig-color-secondary-label: rgba(235, 235, 245, 0.6);
        --hig-color-tertiary-label: rgba(235, 235, 245, 0.3);
        --hig-color-quaternary-label: rgba(235, 235, 245, 0.18);
        --hig-color-system-bg: #000000;
        --hig-color-secondary-bg: #1C1C1E;
        --hig-color-tertiary-bg: #2C2C2E;
        --hig-color-grouped-bg: #000000;
        --hig-color-secondary-grouped-bg: #1C1C1E;
        --hig-color-separator: rgba(84, 84, 88, 0.6);
        --hig-color-opaque-separator: #38383A;
        --hig-color-fill: rgba(120, 120, 128, 0.36);
        --hig-color-secondary-fill: rgba(120, 120, 128, 0.32);
        --hig-color-tertiary-fill: rgba(118, 118, 128, 0.24);

        --hig-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
        --hig-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.2);
        --hig-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.35), 0 4px 6px rgba(0, 0, 0, 0.2);

        /* ── Accent Colors (Dark) ── */
        --app-accent: #ECB209;
        --app-accent-hover: #F2C953;
        --app-accent-text: var(--app-accent);
        --app-accent-on-color: #000000;
        --app-accent-sub: #C09A8C;
        --app-accent-gradient-end: #F2C953;
        --app-accent-gradient: linear-gradient(135deg, var(--app-accent), var(--app-accent-gradient-end));
    }
}

/* ================================================================
   Reset & Base
   ================================================================ */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--hig-font-family);
    font-size: var(--hig-font-body);
    line-height: 1.65;
    color: var(--hig-color-label);
    background: var(--hig-color-grouped-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: var(--app-accent-text);
    transition: color 0.15s ease;
}

a:hover {
    color: var(--app-accent-hover);
}

/* ================================================================
   Layout
   ================================================================ */

main {
    padding-inline: var(--app-content-padding);
    padding-block: var(--hig-space-lg);
}

.container {
    margin: 0 auto;
    width: min(100%, var(--app-max-width));
}

/* ================================================================
   Site Header
   ================================================================ */

.site-header {
    padding: var(--hig-space-xl) var(--app-content-padding) var(--hig-space-2xl);
    background: var(--hig-color-system-bg);
    color: var(--hig-color-label);
    border-bottom: 1px solid var(--hig-color-separator);
}

.header-icon {
    width: 24px;
    height: 24px;
    margin-right: var(--hig-space-sm);
    vertical-align: middle;
}

.site-header h1 {
    margin: 0;
    font-size: var(--hig-font-large-title);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.site-header p {
    margin: var(--hig-space-sm) 0 0;
    font-size: var(--hig-font-body);
    color: var(--hig-color-secondary-label);
}

.site-header .header-actions {
    margin-top: var(--hig-space-md);
    display: flex;
    gap: var(--hig-space-sm);
    flex-wrap: wrap;
}

.site-header .header-action {
    padding: 8px var(--hig-space-md);
    border-radius: var(--hig-radius-sm);
    font-size: var(--hig-font-subheadline);
    font-weight: 600;
    color: var(--app-accent);
    background: var(--hig-color-tertiary-fill);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--hig-space-sm);
    min-height: 44px;
    transition: background 0.15s ease;
}

.site-header .header-action svg {
    width: 18px;
    height: 18px;
}

.site-header .header-action:hover {
    background: var(--hig-color-secondary-fill);
}

/* ================================================================
   Section Headers
   ================================================================ */

.section-header {
    display: flex;
    flex-direction: column;
    gap: var(--hig-space-xs);
    margin-bottom: var(--hig-space-md);
}

.section-header h2 {
    font-size: var(--hig-font-title1);
    font-weight: 700;
    margin: 0;
    color: var(--hig-color-label);
}

.section-header p {
    margin: 0;
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-subheadline);
}

/* ================================================================
   Support Hero
   ================================================================ */

.support-hero {
    margin-top: -var(--hig-space-md);
    display: grid;
    gap: var(--hig-space-md);
}

.hero-intro {
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-lg);
    padding: var(--hig-space-lg);
    box-shadow: var(--hig-shadow-sm);
}

.hero-intro h2 {
    margin: 0;
    font-size: var(--hig-font-title1);
    font-weight: 700;
}

.hero-intro p {
    margin: var(--hig-space-sm) 0 0;
    color: var(--hig-color-secondary-label);
}

.quick-links {
    display: grid;
    gap: 0;
    margin-top: var(--hig-space-md);
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-md);
    overflow: hidden;
    box-shadow: var(--hig-shadow-sm);
}

.quick-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: transparent;
    padding: 12px var(--hig-space-md);
    text-decoration: none;
    color: var(--hig-color-label);
    font-weight: 600;
    font-size: var(--hig-font-body);
    min-height: 44px;
    transition: background 0.15s ease;
    border-bottom: 1px solid var(--hig-color-separator);
}

.quick-link:last-child {
    border-bottom: none;
}

.quick-link span {
    display: inline-flex;
    align-items: center;
    gap: var(--hig-space-sm);
}

.quick-link svg {
    width: 20px;
    height: 20px;
}

.quick-link:hover {
    background: var(--hig-color-tertiary-fill);
    color: var(--app-accent-text);
}

/* ================================================================
   Category Section
   ================================================================ */

.category-section {
    margin-top: var(--hig-space-xl);
}

.categories {
    display: grid;
    gap: var(--hig-space-md);
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}

.category-card {
    background: var(--hig-color-secondary-grouped-bg);
    padding: var(--hig-space-md);
    border-radius: var(--hig-radius-md);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: var(--hig-space-sm);
    min-height: 140px;
    box-shadow: var(--hig-shadow-sm);
    transition: background 0.15s ease;
}

.category-card h3 {
    margin: 0;
    font-size: var(--hig-font-title3);
    font-weight: 600;
    color: var(--app-accent);
}

.category-card p {
    margin: 0;
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-subheadline);
}

.category-card:hover {
    background: var(--hig-color-tertiary-fill);
}

/* ================================================================
   Top FAQ Section
   ================================================================ */

.top-faq-section {
    margin-top: var(--hig-space-2xl);
}

.top-faq-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-md);
    overflow: hidden;
    box-shadow: var(--hig-shadow-sm);
}

.top-faq-section li a {
    display: flex;
    align-items: center;
    text-decoration: none;
    background: transparent;
    padding: 12px var(--hig-space-md);
    color: var(--hig-color-label);
    font-weight: 600;
    font-size: var(--hig-font-body);
    min-height: 44px;
    border-bottom: 1px solid var(--hig-color-separator);
    transition: background 0.15s ease;
}

.top-faq-section li:last-child a {
    border-bottom: none;
}

.top-faq-section li a:hover {
    background: var(--hig-color-tertiary-fill);
    color: var(--app-accent-text);
}

/* ================================================================
   Section Headings (shared)
   ================================================================ */

.faq-list-section h2,
.top-faq-section h2,
.category-section h2,
.article-content h2 {
    font-size: var(--hig-font-title1);
    font-weight: 700;
    margin: 0 0 var(--hig-space-md);
    color: var(--hig-color-label);
}

.article-content h3 {
    font-size: var(--hig-font-title3);
    font-weight: 600;
    margin-top: var(--hig-space-lg);
    margin-bottom: var(--hig-space-sm);
    padding-left: 12px;
    border-left: 4px solid var(--app-accent);
}

.article-content p {
    margin: 0 0 var(--hig-space-md);
    color: var(--hig-color-secondary-label);
}

/* ================================================================
   Footer
   ================================================================ */

.site-footer {
    margin-top: var(--hig-space-2xl);
    padding: var(--hig-space-lg) var(--app-content-padding);
    text-align: center;
    font-size: var(--hig-font-footnote);
    color: var(--hig-color-secondary-label);
    background: transparent;
    border-top: 1px solid var(--hig-color-separator);
}

/* ================================================================
   Breadcrumbs
   ================================================================ */

.breadcrumbs {
    font-size: var(--hig-font-footnote);
    color: var(--hig-color-secondary-label);
    margin-bottom: var(--hig-space-md);
}

.breadcrumbs a {
    color: var(--app-accent-text);
    font-weight: 600;
    text-decoration: none;
}

.breadcrumbs a:hover {
    text-decoration: underline;
}

/* ================================================================
   Emphasis & Utility
   ================================================================ */

.emphasis-red {
    color: var(--hig-color-red);
    font-weight: 700;
}

.hidden {
    display: none;
}

/* ================================================================
   Support Text Box / Guide Section
   ================================================================ */

.support-text-box {
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-md);
    padding: var(--hig-space-md);
    box-shadow: var(--hig-shadow-sm);
}

.support-text-box h3 {
    margin-top: 0;
}

.guide-section {
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-md);
    padding: var(--hig-space-md) var(--hig-space-lg);
    box-shadow: var(--hig-shadow-sm);
    margin-bottom: var(--hig-space-md);
}

.guide-section h2 {
    margin-top: 0;
}

.step-list {
    margin: var(--hig-space-md) 0 0 var(--hig-space-lg);
    padding: 0;
}

.step-list li {
    margin-bottom: var(--hig-space-sm);
}

/* ================================================================
   Contact Form Section
   ================================================================ */

.contact-form-section,
.cannot-resolve-section,
.card-section {
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-lg);
    padding: var(--hig-space-lg);
    box-shadow: var(--hig-shadow-sm);
    margin-top: var(--hig-space-xl);
}

.contact-form-section h2,
.cannot-resolve-section h2 {
    margin-top: 0;
    font-size: var(--hig-font-title2);
    font-weight: 700;
}

.contact-form .form-group {
    margin-bottom: var(--hig-space-md);
}

.form-notice {
    text-align: left;
    margin: 0 auto var(--hig-space-lg);
    max-width: 640px;
}

/* ================================================================
   Pre-Contact Info
   ================================================================ */

.pre-contact-info {
    padding: var(--hig-space-md) var(--hig-space-lg);
    border-radius: var(--hig-radius-md);
    background: var(--hig-color-tertiary-fill);
    display: grid;
    gap: var(--hig-space-md);
}

.pre-contact-info__header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pre-contact-info__icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--hig-color-secondary-fill);
    display: grid;
    place-items: center;
    color: var(--app-accent);
    flex-shrink: 0;
}

.pre-contact-info__icon svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.pre-contact-info__label {
    font-weight: 700;
    margin: 0;
    font-size: var(--hig-font-headline);
}

.pre-contact-info__description {
    margin: var(--hig-space-xs) 0 0;
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-subheadline);
}

.pre-contact-info__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: var(--hig-space-sm);
    font-size: var(--hig-font-body);
}

.pre-contact-info__list li {
    position: relative;
    padding-left: var(--hig-space-lg);
    color: var(--hig-color-label);
}

.pre-contact-info__list li::before {
    content: "";
    position: absolute;
    left: var(--hig-space-xs);
    top: 6px;
    width: 8px;
    height: 8px;
    border-radius: var(--hig-space-xs);
    background: var(--app-accent);
    opacity: 0.65;
}

.pre-contact-info__note {
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-subheadline);
}

.pre-contact-info__note::before {
    background: transparent;
    content: "\203B";
    left: 0;
    top: 0;
    width: auto;
    height: auto;
    margin-top: 0;
    font-weight: 700;
    color: var(--app-accent);
}

.pre-contact-info a {
    color: var(--app-accent-text);
    font-weight: 600;
    text-decoration: underline;
    text-decoration-color: rgba(236, 178, 9, 0.4);
    text-underline-offset: 3px;
}

.pre-contact-info a:hover {
    text-decoration-color: var(--app-accent);
}

/* ================================================================
   Form Elements
   ================================================================ */

.contact-form label {
    display: block;
    font-weight: 600;
    font-size: var(--hig-font-body);
    margin-bottom: var(--hig-space-xs);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: var(--hig-font-body);
    font-family: var(--hig-font-family);
    border-radius: var(--hig-radius-sm);
    border: 1px solid var(--hig-color-separator);
    background: var(--hig-color-system-bg);
    color: var(--hig-color-label);
    min-height: 44px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form input[type="tel"]:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--app-accent);
    box-shadow: 0 0 0 3px rgba(236, 178, 9, 0.25);
}

.contact-form textarea {
    min-height: 160px;
    resize: vertical;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--app-accent);
}

.contact-form input[readonly],
.contact-form textarea[readonly] {
    background: var(--hig-color-tertiary-fill);
    color: var(--hig-color-secondary-label);
    cursor: not-allowed;
}

.contact-form input[readonly]:focus,
.contact-form textarea[readonly]:focus {
    outline: none;
    border-color: var(--hig-color-separator);
    box-shadow: none;
}

.device-group,
.ios-other-device-group {
    display: none;
    margin-top: var(--hig-space-sm);
}

/* ================================================================
   Buttons
   ================================================================ */

.contact-button,
.contact-form button[type="submit"] {
    border: none;
    border-radius: var(--hig-radius-md);
    padding: 12px var(--hig-space-lg);
    font-size: var(--hig-font-headline);
    font-weight: 600;
    font-family: var(--hig-font-family);
    background: var(--app-accent);
    color: var(--app-accent-on-color);
    text-decoration: none;
    cursor: pointer;
    min-height: 44px;
    transition: filter 0.15s ease, opacity 0.15s ease;
}

.contact-button:hover,
.contact-form button[type="submit"]:hover {
    filter: brightness(0.88);
}

.contact-form button[type="submit"]:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: none;
}

.contact-form button[type="submit"]:disabled:hover {
    filter: none;
}

.contact-button.secondary {
    background: var(--hig-color-secondary-fill);
    color: var(--hig-color-label);
}

.contact-button.secondary:hover {
    background: var(--hig-color-fill);
}

.contact-options {
    margin-top: var(--hig-space-md);
    display: grid;
    gap: var(--hig-space-sm);
}

.form-error-message {
    margin: 0 0 var(--hig-space-sm);
    color: var(--hig-color-red);
    font-weight: 600;
}

.field-error {
    margin: var(--hig-space-sm) 0 0;
    color: var(--hig-color-red);
    font-size: var(--hig-font-footnote);
    font-weight: 600;
}

@media (min-width: 600px) {
    .contact-options {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

/* ================================================================
   Form Utilities & Modal
   ================================================================ */

.required-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--hig-color-red);
    color: #fff;
    font-size: var(--hig-font-caption2);
    font-weight: 700;
    line-height: 1;
    margin-left: var(--hig-space-sm);
}

.auto-note {
    display: inline-block;
    margin-left: var(--hig-space-sm);
    font-size: var(--hig-font-footnote);
    color: var(--hig-color-tertiary-label);
}

.contact-intro {
    margin-bottom: var(--hig-space-lg);
    padding: var(--hig-space-md);
    border-radius: var(--hig-radius-md);
    background: var(--hig-color-tertiary-fill);
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-subheadline);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--hig-space-sm);
    font-size: var(--hig-font-subheadline);
    color: var(--hig-color-secondary-label);
    flex-wrap: wrap;
    min-height: 44px;
}

.checkbox-group--centered {
    justify-content: center;
    text-align: center;
}

.checkbox-group label {
    margin: 0;
    color: inherit;
}

.checkbox-group a {
    color: var(--app-accent-text);
    font-weight: 600;
    text-decoration: none;
}

.checkbox-group a:hover {
    text-decoration: underline;
}

.help-link {
    display: inline-flex;
    align-items: center;
    gap: var(--hig-space-xs);
    margin-top: var(--hig-space-sm);
    padding: var(--hig-space-sm) var(--hig-space-md);
    border-radius: var(--hig-radius-sm);
    border: none;
    background: var(--app-accent);
    color: var(--app-accent-on-color);
    font-size: var(--hig-font-footnote);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    min-height: 44px;
    transition: filter 0.15s ease;
}

.help-link:hover,
.help-link:focus {
    filter: brightness(0.88);
}

/* ================================================================
   Help Modal
   ================================================================ */

.help-modal {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--hig-space-md);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
}

.help-modal.active {
    display: flex;
}

.help-modal__dialog {
    background: var(--hig-color-system-bg);
    border-radius: var(--hig-radius-xl);
    max-width: 520px;
    width: min(100%, 520px);
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--hig-space-lg);
    box-shadow: var(--hig-shadow-lg);
    position: relative;
}

.help-modal__close {
    position: absolute;
    top: var(--hig-space-md);
    right: var(--hig-space-md);
    border: none;
    background: var(--hig-color-tertiary-fill);
    color: var(--hig-color-secondary-label);
    font-size: var(--hig-font-title3);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: background 0.15s ease;
}

.help-modal__close:hover,
.help-modal__close:focus {
    background: var(--hig-color-secondary-fill);
    color: var(--hig-color-label);
}

.help-modal__content figure {
    margin: var(--hig-space-md) 0;
    text-align: center;
}

.help-modal__content h3 {
    margin: 0;
    font-size: var(--hig-font-title3);
    font-weight: 600;
}

.help-modal__content ol {
    margin: var(--hig-space-sm) 0 var(--hig-space-sm) var(--hig-space-lg);
    padding-left: var(--hig-space-md);
    text-align: left;
}

.help-modal__content li {
    margin-bottom: var(--hig-space-sm);
    color: var(--hig-color-label);
}

.help-modal__content img {
    border-radius: var(--hig-radius-sm);
    box-shadow: var(--hig-shadow-sm);
}

.help-modal__content figcaption {
    margin-top: var(--hig-space-sm);
    font-size: var(--hig-font-caption1);
    color: var(--hig-color-secondary-label);
}

/* ================================================================
   Notice & Alert Boxes
   ================================================================ */

.notice-box {
    border-radius: var(--hig-radius-sm);
    padding: 12px var(--hig-space-md);
    font-size: var(--hig-font-subheadline);
    background: rgba(255, 149, 0, 0.1);
    border-left: 4px solid var(--hig-color-orange);
    color: var(--hig-color-label);
}

.notice-box--warning {
    background: rgba(255, 149, 0, 0.12);
    border-left-color: var(--hig-color-orange);
}

.notice-box--centered {
    text-align: center;
}

.note-box {
    background: var(--hig-color-tertiary-fill);
    border-left: 4px solid var(--hig-color-opaque-separator);
    border-radius: var(--hig-radius-sm);
    padding: 12px var(--hig-space-md);
    font-size: var(--hig-font-subheadline);
    color: var(--hig-color-label);
}

.alert-box {
    border-radius: var(--hig-radius-sm);
    padding: 12px var(--hig-space-md);
    font-size: var(--hig-font-subheadline);
    background: rgba(255, 59, 48, 0.1);
    border-left: 4px solid var(--hig-color-red);
    color: var(--hig-color-label);
}

/* ================================================================
   Support Note
   ================================================================ */

.support-note {
    margin-top: var(--hig-space-md);
    font-size: var(--hig-font-subheadline);
    color: var(--hig-color-secondary-label);
    text-align: center;
}

/* ================================================================
   Cannot Resolve Section
   ================================================================ */

.cannot-resolve-section p {
    color: var(--hig-color-secondary-label);
    margin-bottom: var(--hig-space-sm);
}

/* ================================================================
   Thank You Section
   ================================================================ */

.thank-you-section {
    margin-top: var(--hig-space-2xl);
    padding: var(--hig-space-2xl);
    background: var(--hig-color-secondary-grouped-bg);
    border-radius: var(--hig-radius-lg);
    box-shadow: var(--hig-shadow-md);
    text-align: center;
    display: grid;
    gap: var(--hig-space-md);
}

.thank-you-section h2 {
    margin: 0;
    color: var(--hig-color-green);
    font-size: var(--hig-font-title1);
    font-weight: 700;
}

.thank-you-section .contact-button {
    justify-self: center;
    background: var(--hig-color-label);
    color: var(--hig-color-system-bg);
}

.thank-you-section .contact-button:hover {
    filter: brightness(0.85);
}

/* ================================================================
   Tags
   ================================================================ */

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--hig-space-xs);
    padding: 0;
    list-style: none;
}

.tag-list li {
    margin: 0;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--hig-space-xs);
    padding: var(--hig-space-xs) var(--hig-space-sm);
    border-radius: 999px;
    background: rgba(236, 178, 9, 0.1);
    color: var(--app-accent-text);
    font-size: var(--hig-font-caption1);
    font-weight: 600;
}

/* ================================================================
   Tables
   ================================================================ */

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

.table-wrapper table {
    width: 100%;
    border-collapse: collapse;
}

.table-wrapper th,
.table-wrapper td {
    padding: 12px;
    border: 1px solid var(--hig-color-separator);
    font-size: var(--hig-font-subheadline);
}

.table-wrapper th {
    background: var(--hig-color-tertiary-fill);
    color: var(--hig-color-label);
    font-weight: 600;
}

/* ================================================================
   Lists
   ================================================================ */

ul,
ol {
    padding-left: var(--hig-space-lg);
}

li {
    margin-bottom: var(--hig-space-xs);
}

/* ================================================================
   Responsive
   ================================================================ */

@media (min-width: 768px) {
    main {
        padding-inline: var(--hig-space-xl);
    }

    .site-header {
        padding: var(--hig-space-2xl) var(--hig-space-xl) var(--hig-space-3xl);
    }

    .site-header .header-actions {
        gap: 12px;
    }

    .support-hero {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        align-items: stretch;
    }

    .quick-links {
        align-self: center;
    }

    .top-faq-section li a {
        padding: var(--hig-space-md) var(--hig-space-lg);
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}