:root {
    --bone: #F7F4EE;
    --bone-warm: #F0EBE0;
    --bone-deep: #E8E1D0;
    --ink: #1C1A17;
    --ink-soft: #4A453E;
    --ink-mute: #8C8579;
    --hairline: #D8D2C4;
    --asibi-green: #2C8146;
    --asibi-green-deep: #1F6E3A;
    --line-green: #06C755;
    --serif: 'Shippori Mincho', serif;
    --sans: 'Zen Kaku Gothic New', sans-serif;
    --max: 1080px;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--sans);
    background: var(--bone);
    color: var(--ink);
    line-height: 1.95;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }
  body::after {
    content: ''; position: fixed; inset: 0;
    background-image: url("/img/support-svg-01.svg");
    opacity: 0.3; pointer-events: none; z-index: 1;
    mix-blend-mode: multiply;
  }
  ::selection { background: var(--asibi-green); color: var(--bone); }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  strong { font-weight: 600; }
  em { font-style: normal; font-family: var(--serif); color: var(--asibi-green); font-weight: 700; }

  /* ========== NAV ========== */
  .nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(247, 244, 238, 0.92);
    backdrop-filter: blur(20px) saturate(140%);
    border-bottom: 1px solid rgba(216, 210, 196, 0.5);
  }
  .nav-inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 16px 32px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px;
  }
  .nav-brand {
    display: flex; align-items: center; gap: 14px;
  }
  .nav-brand-logo { height: 22px; width: auto; }
  .nav-brand-text {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.03em;
    color: var(--ink);
    line-height: 1.2;
  }
  .nav-brand-text-small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--ink-mute);
    letter-spacing: 0.16em;
    margin-top: 2px;
  }
  .nav-tabs { display: flex; gap: 28px; }
  .nav-tabs a {
    font-family: var(--serif);
    font-size: 14px;
    color: var(--ink-soft);
    letter-spacing: 0.06em;
    transition: color 0.2s;
  }
  .nav-tabs a:hover { color: var(--asibi-green); }
  .nav-cta {
    font-family: var(--serif);
    font-size: 13px;
    color: white;
    background: var(--ink);
    padding: 10px 20px;
    border-radius: 999px;
    letter-spacing: 0.1em;
    transition: background 0.2s;
  }
  .nav-cta:hover { background: var(--asibi-green); }

  /* ========== Support Hero ========== */
  .support-hero {
    background: white;
    padding: 80px 32px 70px;
    position: relative; z-index: 2;
    text-align: center;
    border-bottom: 1px solid var(--hairline);
  }
  .support-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--serif);
    font-size: 13px;
    color: var(--asibi-green);
    letter-spacing: 0.2em;
    margin-bottom: 24px;
  }
  .support-hero-eyebrow::before, .support-hero-eyebrow::after {
    content: ''; width: 24px; height: 1px; background: var(--asibi-green);
  }
  .support-hero h1 {
    font-family: var(--serif);
    font-size: clamp(28px, 4.5vw, 44px);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
    color: var(--ink);
  }
  .support-hero-lead {
    font-family: var(--serif);
    font-size: clamp(15px, 1.5vw, 17px);
    line-height: 2.2;
    color: var(--ink-soft);
    max-width: 600px;
    margin: 0 auto 36px;
  }

  /* ========== Quick Search ========== */
  .quick-search {
    max-width: 540px;
    margin: 0 auto;
    position: relative;
  }
  .quick-search-input {
    width: 100%;
    padding: 18px 56px 18px 24px;
    font-family: var(--serif);
    font-size: 15px;
    background: var(--bone);
    border: 1px solid var(--hairline);
    border-radius: 999px;
    color: var(--ink);
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  .quick-search-input:focus {
    outline: none;
    border-color: var(--asibi-green);
    box-shadow: 0 0 0 4px rgba(44, 129, 70, 0.1);
  }
  .quick-search-icon {
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-mute);
    pointer-events: none;
  }

  /* ========== Status Badge ========== */
  .status-bar {
    background: var(--bone-warm);
    padding: 14px 32px;
    text-align: center;
    border-bottom: 1px solid var(--hairline);
    position: relative; z-index: 2;
  }
  .status-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-family: var(--serif);
    font-size: 13px;
    color: var(--ink-soft);
    letter-spacing: 0.06em;
  }
  .status-dot {
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--line-green);
    box-shadow: 0 0 0 4px rgba(6, 199, 85, 0.18);
    animation: statusPulse 2s ease-in-out infinite;
  }
  @keyframes statusPulse {
    0%, 100% { box-shadow: 0 0 0 4px rgba(6, 199, 85, 0.18); }
    50% { box-shadow: 0 0 0 7px rgba(6, 199, 85, 0.06); }
  }
  .status-text strong { color: var(--ink); }
  .status-link {
    margin-left: 12px;
    color: var(--asibi-green);
    border-bottom: 1px solid rgba(44,129,70,0.3);
    padding-bottom: 1px;
  }

  /* ========== Section common ========== */
  section.section {
    padding: 80px 32px;
    position: relative; z-index: 2;
  }
  .section-inner {
    max-width: var(--max);
    margin: 0 auto;
  }
  .section-eyebrow {
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--serif);
    font-size: 13px;
    color: var(--asibi-green);
    letter-spacing: 0.2em;
    margin-bottom: 18px;
  }
  .section-eyebrow::before, .section-eyebrow::after {
    content: ''; width: 24px; height: 1px; background: var(--asibi-green);
  }
  .section h2 {
    font-family: var(--serif);
    font-size: clamp(24px, 3.4vw, 32px);
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.04em;
    margin-bottom: 22px;
    color: var(--ink);
  }
  .section-lead {
    font-family: var(--serif);
    font-size: clamp(14px, 1.5vw, 16px);
    line-height: 2.1;
    color: var(--ink-soft);
    max-width: 640px;
    margin-bottom: 48px;
  }
  .section-center { text-align: center; }
  .section-center .section-lead { margin-left: auto; margin-right: auto; }
  .section-center .section-eyebrow { justify-content: center; }

  /* ========== Quick Help Cards (top entry points) ========== */
  .quick-help-section { background: var(--bone); }
  .quick-help-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
  }
  .quick-help-card {
    background: white;
    border: 1px solid var(--hairline);
    padding: 32px 28px;
    transition: border-color 0.2s, transform 0.2s;
    text-align: left;
  }
  .quick-help-card:hover {
    border-color: var(--asibi-green);
    transform: translateY(-2px);
  }
  .quick-help-card-num {
    font-family: var(--serif);
    font-size: 11px;
    color: var(--asibi-green);
    letter-spacing: 0.2em;
    margin-bottom: 14px;
  }
  .quick-help-card h3 {
    font-family: var(--serif);
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: 0.04em;
    line-height: 1.5;
  }
  .quick-help-card p {
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.95;
    color: var(--ink-soft);
    margin-bottom: 18px;
  }
  .quick-help-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--serif);
    font-size: 13px;
    color: var(--asibi-green);
    border-bottom: 1px solid rgba(44,129,70,0.3);
    padding-bottom: 2px;
    letter-spacing: 0.06em;
  }
  .quick-help-link::after {
    content: '→';
    transition: transform 0.2s;
  }
  .quick-help-link:hover::after { transform: translateX(4px); }

  /* ========== Topic Categories (FAQ) ========== */
  .topics-section { background: var(--bone-warm); }
  .topic-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 40px;
  }
  .topic-tab {
    font-family: var(--serif);
    font-size: 13px;
    padding: 10px 20px;
    background: white;
    color: var(--ink-soft);
    border: 1px solid var(--hairline);
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.06em;
  }
  .topic-tab:hover {
    border-color: var(--asibi-green);
    color: var(--asibi-green);
  }
  .topic-tab.active {
    background: var(--ink);
    border-color: var(--ink);
    color: white;
  }

  .faq-list {
    max-width: 760px;
    margin: 0 auto;
    text-align: left;
  }
  .faq-category {
    margin-bottom: 36px;
  }
  .faq-category-title {
    font-family: var(--serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--asibi-green);
    letter-spacing: 0.16em;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--hairline);
  }
  .faq-item {
    background: white;
    border: 1px solid var(--hairline);
    margin-bottom: 12px;
    transition: border-color 0.2s;
  }
  .faq-item:hover { border-color: var(--asibi-green); }
  .faq-item[open] { border-color: var(--asibi-green); }
  .faq-item summary {
    font-family: var(--serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    padding: 20px 28px;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: 0.04em;
    line-height: 1.6;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary::after {
    content: '+';
    font-size: 22px;
    color: var(--asibi-green);
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 16px;
  }
  .faq-item[open] summary::after { transform: rotate(45deg); }
  .faq-body {
    padding: 0 28px 24px;
    font-family: var(--serif);
    font-size: 14px;
    line-height: 2;
    color: var(--ink-soft);
  }
  .faq-body strong { color: var(--ink); font-weight: 600; }
  .faq-body a { color: var(--asibi-green); border-bottom: 1px solid rgba(44,129,70,0.3); }
  .faq-body code {
    background: var(--bone);
    border: 1px solid var(--hairline);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
    font-family: var(--sans);
    color: var(--ink);
  }
  .faq-body ol, .faq-body ul {
    padding-left: 24px;
    margin: 12px 0;
  }
  .faq-body li {
    padding: 4px 0;
  }

  /* ========== Contact Methods ========== */
  .contact-section { background: var(--bone); }
  .contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 760px;
    margin: 48px auto 0;
  }
  .contact-method {
    background: white;
    border: 1px solid var(--hairline);
    padding: 36px 32px;
    text-align: left;
    position: relative;
  }
  .contact-method.priority {
    border-color: var(--asibi-green);
    border-width: 2px;
  }
  .contact-method-tag {
    position: absolute;
    top: -10px;
    left: 24px;
    font-family: var(--serif);
    font-size: 11px;
    color: white;
    background: var(--asibi-green);
    padding: 4px 12px;
    border-radius: 4px;
    letter-spacing: 0.1em;
  }
  .contact-method h3 {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
    letter-spacing: 0.06em;
  }
  .contact-method-desc {
    font-family: var(--serif);
    font-size: 14px;
    line-height: 1.95;
    color: var(--ink-soft);
    margin-bottom: 20px;
  }
  .contact-method-info {
    padding-top: 16px;
    border-top: 1px solid var(--hairline);
  }
  .contact-method-info dt {
    font-family: var(--serif);
    font-size: 12px;
    color: var(--ink-mute);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
  }
  .contact-method-info dd {
    font-family: var(--serif);
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 14px;
  }
  .contact-method-info dd:last-child { margin-bottom: 0; }
  .contact-method-info dd a {
    color: var(--asibi-green);
    border-bottom: 1px solid rgba(44,129,70,0.3);
  }
  .contact-method-info dd strong {
    font-weight: 600;
    color: var(--ink);
  }

  .contact-note {
    max-width: 760px;
    margin: 32px auto 0;
    padding: 20px 28px;
    background: var(--bone-warm);
    border-left: 3px solid var(--asibi-green);
    font-family: var(--serif);
    font-size: 13px;
    line-height: 2;
    color: var(--ink-soft);
  }
  .contact-note strong { color: var(--ink); }

  /* ========== Resources ========== */
  .resources-section { background: var(--bone-warm); }
  .resources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 32px;
  }
  .resource-card {
    background: white;
    border: 1px solid var(--hairline);
    padding: 20px 22px;
    text-align: left;
    transition: border-color 0.2s;
  }
  .resource-card:hover { border-color: var(--asibi-green); }
  .resource-card h4 {
    font-family: var(--serif);
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
  }
  .resource-card p {
    font-family: var(--serif);
    font-size: 12px;
    line-height: 1.7;
    color: var(--ink-mute);
  }

  /* ========== Footer ========== */
  .footer {
    background: var(--ink);
    color: var(--bone);
    padding: 56px 32px 40px;
    position: relative; z-index: 2;
  }
  .footer-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
  }
  .footer-brand img {
    height: 20px;
    width: auto;
    margin-bottom: 16px;
  }
  .footer-brand p {
    font-family: var(--serif);
    font-size: 13px;
    line-height: 2;
    color: rgba(247, 244, 238, 0.7);
  }
  .footer-col h4 {
    font-family: var(--serif);
    font-size: 13px;
    color: rgba(247, 244, 238, 0.6);
    letter-spacing: 0.16em;
    margin-bottom: 18px;
    font-weight: 500;
  }
  .footer-col a {
    display: block;
    font-family: var(--serif);
    font-size: 14px;
    color: rgba(247, 244, 238, 0.85);
    padding: 6px 0;
    transition: color 0.2s;
    letter-spacing: 0.04em;
  }
  .footer-col a:hover { color: white; }
  .footer-bottom {
    max-width: var(--max);
    margin: 40px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(247, 244, 238, 0.15);
    font-family: var(--serif);
    font-size: 12px;
    color: rgba(247, 244, 238, 0.5);
    letter-spacing: 0.12em;
    text-align: center;
  }

  /* ========== Responsive ========== */
  @media (max-width: 768px) {
    .nav-tabs { display: none; }
    .quick-help-grid { grid-template-columns: 1fr; gap: 14px; }
    .contact-grid { grid-template-columns: 1fr; gap: 14px; }
    .resources-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
    .support-hero { padding: 50px 24px 50px; }
    section.section { padding: 60px 24px; }
  }
  @media (max-width: 480px) {
    .nav-brand-text { font-size: 19px; }
    .nav-brand-text-small { display: none; }
    .nav-cta { font-size: 12px; padding: 8px 14px; }
    .footer-inner { grid-template-columns: 1fr; }
    .topic-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; justify-content: flex-start; }
    .topic-tab { flex-shrink: 0; }
  }

  /* ========== NEW: Announcement Bar ========== */
  .announce-bar {
    background: linear-gradient(180deg, #FBF7EE 0%, #F6EFE0 100%);
    border-bottom: 1px solid var(--hairline);
    position: relative; z-index: 2;
    padding: 16px 32px;
  }
  .announce-inner {
    max-width: var(--max);
    margin: 0 auto;
    display: flex;
    align-items: flex-start;
    gap: 18px;
  }
  .announce-tag {
    flex-shrink: 0;
    font-family: var(--serif);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    color: var(--asibi-green);
    border: 1px solid var(--asibi-green);
    padding: 4px 12px;
    border-radius: 999px;
    margin-top: 2px;
    white-space: nowrap;
  }
  .announce-content {
    flex: 1;
    font-family: var(--serif);
    font-size: 13px;
    line-height: 1.9;
    color: var(--ink-soft);
  }
  .announce-content strong { color: var(--ink); font-weight: 600; }
  .announce-date {
    display: inline-block;
    font-size: 11px;
    color: var(--ink-mute);
    letter-spacing: 0.08em;
    margin-right: 10px;
  }
  .announce-link {
    color: var(--asibi-green);
    border-bottom: 1px solid rgba(44,129,70,0.3);
    white-space: nowrap;
  }

  /* ========== NEW: Quick Help Card Icons ========== */
  .quick-help-card-icon {
    width: 32px;
    height: 32px;
    color: var(--asibi-green);
    margin-bottom: 16px;
    opacity: 0.8;
  }
  .quick-help-card-icon svg { width: 100%; height: 100%; }

  /* ========== NEW: Topic Tab Count ========== */
  .topic-tab-count {
    display: inline-block;
    margin-left: 7px;
    font-size: 11px;
    color: var(--ink-mute);
    font-weight: 400;
    letter-spacing: 0;
  }
  .topic-tab.active .topic-tab-count {
    color: rgba(255,255,255,0.65);
  }
  .topic-tab:hover .topic-tab-count {
    color: var(--asibi-green);
    opacity: 0.7;
  }

  /* ========== NEW: Search Result Info ========== */
  .search-result-info {
    display: none;
    max-width: 540px;
    margin: 14px auto 0;
    font-family: var(--serif);
    font-size: 12px;
    color: var(--ink-mute);
    text-align: center;
    letter-spacing: 0.04em;
  }
  .search-result-info.visible { display: block; }
  .search-result-info strong {
    color: var(--asibi-green);
    font-weight: 600;
  }

  /* ========== NEW: No-Results State ========== */
  .faq-no-results {
    display: none;
    max-width: 580px;
    margin: 24px auto 0;
    padding: 40px 32px;
    background: white;
    border: 1px dashed var(--hairline);
    text-align: center;
  }
  .faq-no-results.visible { display: block; }
  .faq-no-results-mark {
    font-family: var(--serif);
    font-size: 32px;
    color: var(--ink-mute);
    margin-bottom: 14px;
    opacity: 0.6;
  }
  .faq-no-results-title {
    font-family: var(--serif);
    font-size: 15px;
    color: var(--ink);
    margin-bottom: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
  }
  .faq-no-results-text {
    font-family: var(--serif);
    font-size: 13px;
    line-height: 1.95;
    color: var(--ink-soft);
    margin-bottom: 18px;
  }
  .faq-no-results-text a {
    color: var(--asibi-green);
    border-bottom: 1px solid rgba(44,129,70,0.3);
  }

  /* ========== NEW: End-of-FAQ CTA ========== */
  .faq-end-cta {
    max-width: 760px;
    margin: 36px auto 0;
    padding: 28px 32px;
    background: white;
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--asibi-green);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
  }
  .faq-end-cta-text {
    flex: 1;
    min-width: 240px;
  }
  .faq-end-cta-text h4 {
    font-family: var(--serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 6px;
    letter-spacing: 0.04em;
  }
  .faq-end-cta-text p {
    font-family: var(--serif);
    font-size: 13px;
    line-height: 1.9;
    color: var(--ink-soft);
  }
  .faq-end-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--serif);
    font-size: 13px;
    color: white;
    background: var(--ink);
    padding: 12px 22px;
    border-radius: 999px;
    letter-spacing: 0.08em;
    transition: background 0.2s;
    white-space: nowrap;
  }
  .faq-end-cta-btn:hover { background: var(--asibi-green); }

  /* ========== NEW: Trouble Self-Diagnosis Intro ========== */
  .trouble-intro {
    margin-bottom: 18px;
    padding: 16px 20px;
    background: rgba(247, 244, 238, 0.6);
    border-left: 2px solid var(--asibi-green);
    font-family: var(--serif);
    font-size: 13px;
    line-height: 1.9;
    color: var(--ink-soft);
  }
  .trouble-intro strong { color: var(--ink); font-weight: 600; }

  /* Mobile adjustments for new elements */
  @media (max-width: 768px) {
    .announce-inner { flex-direction: column; gap: 10px; align-items: flex-start; }
    .faq-end-cta { flex-direction: column; align-items: stretch; gap: 16px; }
    .faq-end-cta-btn { justify-content: center; }
  }