:root {
    --bg: #f6f7fb;
    --bg-soft: #eef1f7;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --text: #111827;
    --muted: #6b7280;
    --line: #e5e7eb;
    --line-strong: #d1d5db;
    --primary: #0f172a;
    --primary-2: #1d4ed8;
    --accent: #d97706;
    --accent-soft: #fff7ed;
    --success: #047857;
    --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
    --radius: 24px;
    --radius-sm: 16px;
    --radius-xs: 10px;
    --container: 1200px;
    --container-narrow: 820px;
    --transition: 0.3s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: inherit;
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

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

iframe,
embed,
object,
video {
    max-width: 100%;
}

figure {
    margin: 0;
}

ul,
ol {
    padding-left: 1.25rem;
}

.container {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
}

.narrow-container {
    width: min(calc(100% - 40px), 760px);
    margin: 0 auto;
}

.section {
    padding: 80px 0;
}

.section-top-gap {
    margin-top: 48px;
}

.muted-section {
    background: linear-gradient(180deg, rgba(238,241,247,0.8) 0%, rgba(246,247,251,1) 100%);
}

.site-content {
    min-height: 60vh;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(14px);
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 84px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-title {
    display: inline-block;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.site-description {
    margin: 4px 0 0;
    font-size: 0.9rem;
    color: var(--muted);
}

.primary-navigation ul {
    display: flex;
    align-items: center;
    gap: 24px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.primary-navigation li {
    position: relative;
}

.primary-navigation a {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.98rem;
    transition: color var(--transition);
}

.primary-navigation a:hover,
.primary-navigation .current-menu-item > a,
.primary-navigation .current_page_item > a {
    color: var(--primary-2);
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: 0;
    width: 48px;
    height: 48px;
    padding: 0;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    background: var(--primary);
    border-radius: 999px;
    transition: transform var(--transition), opacity var(--transition);
}

.hero-section {
    padding: 88px 0 56px;
    background:
        radial-gradient(circle at top right, rgba(29, 78, 216, 0.12), transparent 28%),
        radial-gradient(circle at left bottom, rgba(217, 119, 6, 0.10), transparent 25%),
        linear-gradient(180deg, #ffffff 0%, #f6f7fb 100%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr;
    gap: 32px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(209, 213, 219, 0.85);
    color: var(--primary-2);
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-title,
.page-title,
.single-title,
.lp-title {
    margin: 18px 0 18px;
    line-height: 1.18;
    letter-spacing: -0.04em;
    font-weight: 800;
    color: var(--primary);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.6rem);
}

.hero-text,
.page-description,
.single-lead,
.lp-lead,
.section-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 1.04rem;
}

.hero-actions,
.footer-cta-row,
.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.justify-center {
    justify-content: center;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    border: 1px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    cursor: pointer;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    color: #ffffff;
    box-shadow: 0 16px 28px rgba(15, 23, 42, 0.16);
}

.button-primary:hover {
    box-shadow: 0 22px 34px rgba(15, 23, 42, 0.20);
}

.button-secondary {
    background: rgba(255, 255, 255, 0.82);
    color: var(--primary);
    border-color: var(--line-strong);
}

.button-secondary:hover {
    background: #ffffff;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 32px;
}

.metric-card {
    padding: 18px 16px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(209, 213, 219, 0.85);
    border-radius: var(--radius-sm);
    backdrop-filter: blur(8px);
}

.metric-card strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-2);
    font-size: 1.2rem;
}

.metric-card span {
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.6;
}

.card {
    background: var(--surface);
    border: 1px solid rgba(229, 231, 235, 0.85);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card-pad {
    padding: 34px;
}

.large-gap {
    margin-bottom: 28px;
}

.hero-panel {
    padding: 24px;
}

.panel-stack {
    display: grid;
    gap: 18px;
}

.panel-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
    border: 1px solid rgba(229,231,235,0.95);
    border-radius: 22px;
    padding: 24px;
}

.panel-card-large h2,
.panel-card h3 {
    margin: 10px 0 10px;
    line-height: 1.3;
    color: var(--primary);
}

.panel-card p {
    margin: 0;
    color: var(--muted);
}

.panel-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.panel-label,
.panel-number {
    display: inline-flex;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 0.04em;
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading h2 {
    margin: 14px 0 12px;
    font-size: clamp(1.9rem, 3vw, 3rem);
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--primary);
}

.center-heading {
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
}

.feature-grid,
.usecase-grid,
.testimonial-grid,
.post-grid {
    display: grid;
    gap: 24px;
}

.feature-grid {
    grid-template-columns: repeat(4, 1fr);
}

.usecase-grid {
    grid-template-columns: repeat(3, 1fr);
}

.testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
}

.post-grid {
    grid-template-columns: repeat(3, 1fr);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(29,78,216,0.12), rgba(217,119,6,0.12));
    color: var(--primary-2);
    font-weight: 800;
    margin-bottom: 18px;
}

.feature-card h3,
.usecase-card h3,
.testimonial-card h3,
.post-card-title,
.widget-title,
.footer-title {
    margin: 0 0 12px;
    color: var(--primary);
    line-height: 1.35;
}

.usecase-card ul {
    margin: 18px 0 0;
}

.usecase-card li {
    margin-bottom: 8px;
    color: var(--muted);
}

.cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    padding: 36px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 45%, #fff7ed 100%);
}

.cta-copy h2 {
    margin: 14px 0 12px;
    color: var(--primary);
    line-height: 1.2;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
    align-items: start;
}

.no-sidebar .layout-grid,
.is-front-page .layout-grid {
    grid-template-columns: 1fr;
}

.sidebar-area {
    display: grid;
    gap: 20px;
    position: sticky;
    top: 110px;
}

.widget {
    padding: 28px;
}

.widget-title {
    font-size: 1.1rem;
}

.widget ul {
    margin: 0;
    padding-left: 1.1rem;
}

.widget li {
    margin-bottom: 8px;
}

.widget a {
    color: var(--muted);
}

.widget a:hover {
    color: var(--primary-2);
}

.page-header,
.single-article,
.comments-area,
.post-navigation,
.pagination-wrap {
    background: rgba(255, 255, 255, 0.96);
}

.single-header {
    margin-bottom: 24px;
}

.post-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.meta-items {
    display: flex;
    gap: 14px;
    color: var(--muted);
    flex-wrap: wrap;
    font-size: 0.92rem;
}

.single-title {
    font-size: clamp(2rem, 3vw, 3.2rem);
}

.single-thumbnail {
    overflow: hidden;
    border-radius: 22px;
    margin-bottom: 26px;
}

.single-thumbnail img,
.lp-hero-image img,
.post-card-thumb img {
    width: 100%;
    height: auto;
}

.entry-content {
    color: #1f2937;
}

.entry-content > *:first-child {
    margin-top: 0;
}

.entry-content > *:last-child {
    margin-bottom: 0;
}

.entry-content p,
.entry-content ul,
.entry-content ol,
.entry-content blockquote,
.entry-content table,
.entry-content figure {
    margin-bottom: 1.5rem;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    color: var(--primary);
    line-height: 1.28;
    letter-spacing: -0.02em;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.entry-content h2 {
    font-size: 1.9rem;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
}

.entry-content h3 {
    font-size: 1.45rem;
}

.entry-content blockquote {
    padding: 22px 24px;
    border-left: 4px solid var(--primary-2);
    background: var(--surface-2);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--muted);
}

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: 14px;
}

.entry-content th,
.entry-content td {
    border: 1px solid var(--line);
    padding: 12px 14px;
    text-align: left;
}

.entry-content th {
    background: var(--surface-2);
}

.entry-content code,
.entry-content pre {
    font-family: Consolas, Monaco, monospace;
}

.entry-content pre {
    padding: 18px;
    overflow: auto;
    background: #111827;
    color: #f9fafb;
    border-radius: 14px;
}

.tag-row {
    color: var(--muted);
    font-size: 0.95rem;
}

.tag-row a {
    display: inline-flex;
    margin-right: 8px;
    margin-bottom: 8px;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--line);
}

.nav-links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.nav-link-item a {
    font-weight: 700;
    color: var(--primary);
}

.align-right {
    text-align: right;
}

.post-card {
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.post-card-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, rgba(29,78,216,0.08), rgba(217,119,6,0.08));
    overflow: hidden;
}

.post-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb-placeholder {
    width: 100%;
    height: 100%;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted);
    font-weight: 700;
}

.post-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.post-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--muted);
    font-size: 0.88rem;
    margin-bottom: 12px;
}

.post-card-title {
    font-size: 1.25rem;
}

.post-card-title a:hover,
.text-link:hover {
    color: var(--primary-2);
}

.post-card-excerpt {
    color: var(--muted);
    margin: 0 0 18px;
}

.text-link {
    margin-top: auto;
    color: var(--primary);
    font-weight: 800;
}

.pagination-wrap .nav-links {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination-wrap .page-numbers {
    min-width: 44px;
    min-height: 44px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #fff;
    font-weight: 700;
}

.pagination-wrap .current {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.empty-state {
    text-align: center;
}

.center-text {
    text-align: center;
}

.search-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.search-field {
    width: min(100%, 360px);
    min-height: 50px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: #fff;
    padding: 0 18px;
    font-size: 1rem;
}

.search-box-wrap {
    margin-top: 24px;
}

.comments-title {
    margin-top: 0;
    color: var(--primary);
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.comment-list li {
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.comment-respond input,
.comment-respond textarea {
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: 14px;
    padding: 14px 16px;
    background: #fff;
    margin-top: 8px;
}

.comment-form p {
    margin-bottom: 16px;
}

.comment-submit {
    margin-top: 8px;
}

.lp-main {
    background: linear-gradient(180deg, #ffffff 0%, #f6f7fb 100%);
}

.lp-hero {
    padding: 96px 0 64px;
    background:
        radial-gradient(circle at top left, rgba(29,78,216,0.12), transparent 28%),
        radial-gradient(circle at bottom right, rgba(217,119,6,0.12), transparent 28%);
}

.lp-hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: center;
}

.lp-content-wrap {
    max-width: 980px;
    margin: 0 auto;
}

.site-footer {
    padding: 72px 0 24px;
    background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: rgba(255,255,255,0.88);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 26px;
}

.footer-site-title {
    margin: 0 0 12px;
    color: #ffffff;
    font-size: 1.5rem;
}

.footer-text,
.footer-list a,
.footer-widget,
.footer-column {
    color: rgba(255,255,255,0.72);
}

.footer-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.footer-list li {
    margin-bottom: 12px;
}

.footer-list a:hover {
    color: #ffffff;
}

.footer-bottom {
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.12);
}

.copyright {
    margin: 0;
    color: rgba(255,255,255,0.6);
    font-size: 0.92rem;
}

.screen-reader-text {
    position: absolute;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    width: 1px;
    height: 1px;
    overflow: hidden;
    white-space: nowrap;
}

.screen-reader-text:focus {
    clip: auto !important;
    clip-path: none;
    width: auto;
    height: auto;
    padding: 8px 14px;
    background: #111827;
    color: #fff;
    z-index: 9999;
    top: 12px;
    left: 12px;
}

@media (max-width: 1080px) {
    .hero-grid,
    .lp-hero-inner,
    .feature-grid,
    .usecase-grid,
    .testimonial-grid,
    .post-grid,
    .footer-grid,
    .layout-grid {
        grid-template-columns: 1fr;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .cta-panel,
    .post-meta-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .sidebar-area {
        position: static;
    }
}

@media (max-width: 860px) {
    .mobile-menu-toggle {
        display: block;
    }

    .primary-navigation {
        position: absolute;
        left: 20px;
        right: 20px;
        top: calc(100% + 10px);
        background: rgba(255,255,255,0.98);
        border: 1px solid var(--line);
        border-radius: 22px;
        padding: 14px;
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    }

    .primary-navigation.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .primary-navigation ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .hero-title {
        font-size: clamp(2.3rem, 9vw, 3.6rem);
    }

    .card-pad,
    .cta-panel,
    .hero-panel {
        padding: 24px;
    }

    .panel-row,
    .nav-links-grid {
        grid-template-columns: 1fr;
    }

    .align-right {
        text-align: left;
    }
}

@media (max-width: 600px) {
    .container {
        width: min(calc(100% - 24px), var(--container));
    }

    .section,
    .hero-section,
    .lp-hero {
        padding-top: 64px;
        padding-bottom: 48px;
    }

    .header-inner {
        min-height: 74px;
    }

    .button {
        width: 100%;
    }

    .hero-actions,
    .footer-cta-row,
    .cta-actions,
    .search-form {
        flex-direction: column;
        align-items: stretch;
    }

    .search-field {
        width: 100%;
    }

    .hero-title,
    .single-title,
    .lp-title,
    .page-title {
        line-height: 1.12;
    }

    .entry-content h2 {
        font-size: 1.65rem;
    }

    .entry-content h3 {
        font-size: 1.3rem;
    }
}

/* ===== v2 additions ===== */
.hero-section-v2 {
    padding-top: 96px;
    background:
        radial-gradient(circle at 10% 0%, rgba(29, 78, 216, 0.14), transparent 30%),
        radial-gradient(circle at 90% 10%, rgba(217, 119, 6, 0.12), transparent 25%),
        linear-gradient(180deg, #ffffff 0%, #f6f7fb 100%);
}

.hero-grid-v2 {
    align-items: stretch;
}

.hero-proof-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.proof-pill {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--line);
    color: var(--primary);
    font-size: 0.86rem;
    font-weight: 800;
}

.hero-metrics-v2 {
    margin-top: 24px;
}

.hero-showcase {
    padding: 20px;
    background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(246,247,251,0.98) 100%);
}

.showcase-shell {
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(229,231,235,0.95);
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.showcase-topbar {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
}

.showcase-topbar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #d1d5db;
}

.showcase-grid {
    display: grid;
    gap: 14px;
    padding: 16px;
}

.showcase-card {
    padding: 22px;
    border-radius: 22px;
    border: 1px solid var(--line);
    background: #fff;
}

.showcase-card-primary {
    background: linear-gradient(135deg, rgba(15,23,42,0.98) 0%, rgba(29,78,216,0.94) 100%);
    color: #fff;
}

.showcase-card-primary h2,
.showcase-card-primary p,
.showcase-card-primary .showcase-kicker {
    color: #fff;
}

.showcase-kicker {
    display: inline-flex;
    margin-bottom: 12px;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--accent);
}

.brand-strip-section {
    padding-top: 0;
}

.brand-strip {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    transform: translateY(-16px);
}

.brand-strip-label {
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}

.brand-strip-items {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.brand-strip-items span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--line);
    color: var(--muted);
    font-weight: 700;
    font-size: 0.9rem;
}

.premium-grid,
.journey-grid,
.comparison-grid {
    display: grid;
    gap: 22px;
}

.premium-grid {
    grid-template-columns: repeat(4, 1fr);
}

.journey-grid {
    grid-template-columns: repeat(3, 1fr);
}

.comparison-grid {
    grid-template-columns: repeat(2, 1fr);
}

.premium-number,
.journey-step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 72px;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 800;
    margin-bottom: 16px;
}

.comparison-panel {
    padding: 34px;
}

.comparison-head h2 {
    margin: 14px 0 0;
    color: var(--primary);
}

.comparison-item {
    padding: 22px;
    border-radius: 22px;
    background: rgba(255,255,255,0.75);
    border: 1px solid var(--line);
}

.comparison-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
}

.comparison-item span {
    color: var(--muted);
}

.faq-list {
    display: grid;
    gap: 16px;
    max-width: 920px;
    margin: 0 auto;
}

.faq-item {
    padding-top: 24px;
    padding-bottom: 24px;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
    font-weight: 800;
    color: var(--primary);
    position: relative;
    padding-right: 30px;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    color: var(--primary-2);
    font-size: 1.3rem;
    line-height: 1;
}

.faq-item[open] summary::after {
    content: '−';
}

.faq-item p {
    margin: 14px 0 0;
    color: var(--muted);
}

.cta-panel-v2 {
    background: linear-gradient(135deg, #ffffff 0%, #f7fbff 50%, #fff8ee 100%);
}

.kb-breadcrumbs {
    margin: 0 0 18px;
}

.kb-breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-breadcrumbs li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--muted);
    font-size: 0.92rem;
}

.kb-breadcrumbs li:not(:last-child)::after {
    content: '/';
    color: var(--line-strong);
}

.kb-breadcrumbs a:hover {
    color: var(--primary-2);
}

.kb-toc {
    margin: 0 0 28px;
    padding: 24px;
    border-radius: 22px;
    background: linear-gradient(180deg, #fbfdff 0%, #f8fafc 100%);
    border: 1px solid var(--line);
}

.kb-toc-title {
    margin-bottom: 14px;
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
}

.kb-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.kb-toc-list li {
    line-height: 1.5;
}

.kb-toc-list li.level-3 {
    padding-left: 18px;
}

.kb-toc-list a {
    color: var(--muted);
    font-weight: 700;
}

.kb-toc-list a:hover {
    color: var(--primary-2);
}

.is-blog-single .entry-content h2,
.is-blog-single .entry-content h3 {
    scroll-margin-top: 110px;
}

@media (max-width: 1080px) {
    .premium-grid,
    .journey-grid,
    .comparison-grid {
        grid-template-columns: 1fr 1fr;
    }

    .brand-strip {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 860px) {
    .premium-grid,
    .journey-grid,
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .brand-strip {
        transform: translateY(-8px);
        padding: 18px;
    }

    .comparison-panel,
    .kb-toc {
        padding: 22px;
    }
}


/* =========================
   v3 additions
========================= */
.hero-section-v3 {
    padding-bottom: 72px;
}

.hero-grid-v3 {
    align-items: stretch;
}

.hero-panel-v3 {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hero-panel-head h2 {
    margin: 14px 0 10px;
    font-size: clamp(1.6rem, 2.4vw, 2.2rem);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.hero-panel-head p {
    margin: 0;
    color: var(--muted);
}

.front-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.front-stat-card {
    padding: 18px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    border: 1px solid var(--line);
}

.front-stat-card strong {
    display: block;
    font-size: 1.4rem;
    line-height: 1;
    margin-bottom: 10px;
    color: var(--primary-2);
}

.front-stat-card span {
    display: block;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text);
}

.front-editor-content {
    margin-top: 28px;
}

.feature-grid-v3,
.steps-grid,
.voices-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.step-card,
.voice-card {
    padding: 28px;
}

.step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 999px;
    background: rgba(29, 78, 216, 0.08);
    color: var(--primary-2);
    font-weight: 800;
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.step-card h3,
.voice-card h3,
.feature-card h3 {
    margin-top: 0;
}

.cta-panel-v3 {
    align-items: center;
}

.lp-hero-v3 .lp-fallback-panel {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 320px;
}

.lp-hero-v3 .lp-fallback-panel h2 {
    margin: 14px 0 10px;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

/* Readability improvement for bold text inside blog/article/page content */
.entry-content strong,
.entry-content b {
    color: var(--primary);
    font-weight: 800;
    background: linear-gradient(transparent 35%, rgba(255, 243, 191, 0.95) 35%);
    padding: 0 0.28em 0.06em;
    border-radius: 0.22em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.entry-content p strong,
.entry-content li strong,
.entry-content td strong,
.entry-content blockquote strong {
    text-shadow: 0 0 0 rgba(0,0,0,0.01);
}

.entry-content h2,
.entry-content h3 {
    scroll-margin-top: 110px;
}

.entry-content h2 {
    position: relative;
    padding: 18px 20px 18px 22px;
    margin: 56px 0 22px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--line);
    border-left: 6px solid var(--primary-2);
    border-radius: 18px;
    line-height: 1.45;
}

.entry-content h3 {
    position: relative;
    margin: 38px 0 16px;
    padding-left: 16px;
    line-height: 1.5;
}

.entry-content h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.42em;
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 7px rgba(217, 119, 6, 0.12);
}

.entry-content ul li,
.entry-content ol li {
    margin-bottom: 0.45em;
}

.entry-content p {
    margin-bottom: 1.15em;
}

@media (max-width: 960px) {
    .front-stats-grid,
    .feature-grid-v3,
    .steps-grid,
    .voices-grid {
        grid-template-columns: 1fr;
    }
}


/* =========================
   v4 front page hero + reveal animation
   ========================= */
.front-main-v4 {
    overflow: hidden;
}

.front-hero-cover {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 90px 0;
    background:
        radial-gradient(circle at top left, rgba(29, 78, 216, 0.14), transparent 26%),
        radial-gradient(circle at bottom right, rgba(217, 119, 6, 0.18), transparent 28%),
        linear-gradient(180deg, #0f172a 0%, #111827 100%);
    color: #ffffff;
    overflow: hidden;
}

.front-hero-media,
.front-hero-overlay {
    position: absolute;
    inset: 0;
}

.front-hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.front-hero-overlay {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.30) 0%, rgba(15, 23, 42, 0.62) 58%, rgba(15, 23, 42, 0.84) 100%);
    pointer-events: none;
}

.front-hero-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.05) 0%, rgba(15, 23, 42, 0.18) 100%);
    pointer-events: none;
    z-index: 0;
}

.front-hero-cover-inner {
    position: relative;
    z-index: 1;
}

.front-hero-center {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
}

.hero-cover-eyebrow {
    background: rgba(255, 255, 255, 0.14);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.24);
    backdrop-filter: blur(10px);
}

.front-hero-cover-title {
    margin: 20px 0 16px;
    color: #ffffff;
    font-size: clamp(2.8rem, 6vw, 5.4rem);
    line-height: 1.08;
    letter-spacing: -0.05em;
}

.front-hero-cover-tagline {
    margin: 0 auto;
    max-width: 760px;
    color: rgba(255, 255, 255, 0.94);
    font-size: clamp(1.12rem, 2vw, 1.4rem);
    line-height: 1.85;
}

.front-hero-cover-text {
    margin: 18px auto 0;
    max-width: 700px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1rem;
}

.button-light {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.26);
    backdrop-filter: blur(10px);
}

.button-light:hover {
    background: rgba(255, 255, 255, 0.22);
}

.front-stats-section {
    margin-top: -48px;
    position: relative;
    z-index: 2;
}

.front-stats-grid-v4 {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.front-stats-grid-v4 .front-stat-card {
    box-shadow: var(--shadow);
}

.front-overview-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 26px;
    align-items: start;
}

.front-side-stack {
    display: grid;
    gap: 26px;
}

.category-chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--line);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.category-chip:hover {
    transform: translateY(-2px);
    border-color: rgba(29, 78, 216, 0.3);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.category-chip span {
    font-weight: 700;
    color: var(--primary);
}

.category-chip small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    min-height: 28px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--bg-soft);
    color: var(--primary-2);
    font-size: 0.78rem;
    font-weight: 800;
}

.front-mini-feature-list {
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.front-mini-feature-item {
    display: grid;
    gap: 8px;
    padding: 16px 18px;
    border-radius: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--line);
}

.front-mini-feature-item strong {
    color: var(--primary);
    font-size: 1rem;
}

.front-mini-feature-item span {
    color: var(--muted);
    line-height: 1.75;
}

.post-grid-v4 {
    grid-template-columns: repeat(3, 1fr);
}

.cta-panel-v4 {
    background: linear-gradient(135deg, #ffffff 0%, #f8fbff 45%, #eef6ff 100%);
}

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* stronger bold emphasis for blog readability */
.entry-content strong,
.entry-content b {
    display: inline;
    color: #0b1220;
    font-weight: 800;
    line-height: 1.9;
    background: linear-gradient(transparent 18%, rgba(255, 233, 141, 0.95) 18%, rgba(255, 233, 141, 0.95) 88%, transparent 88%);
    padding: 0.08em 0.36em 0.1em;
    border-radius: 0.32em;
    box-shadow: inset 0 -1px 0 rgba(217, 119, 6, 0.08);
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

.entry-content p strong,
.entry-content li strong,
.entry-content td strong,
.entry-content blockquote strong {
    letter-spacing: 0.01em;
}

@media (max-width: 1080px) {
    .front-overview-grid,
    .front-stats-grid-v4,
    .post-grid-v4 {
        grid-template-columns: 1fr;
    }

    .front-stats-section {
        margin-top: -22px;
    }
}

@media (max-width: 600px) {
    .front-hero-cover {
        min-height: 62vh;
        padding: 76px 0 64px;
    }

    .front-hero-cover-title {
        font-size: clamp(2.2rem, 11vw, 3.4rem);
    }

    .front-hero-cover-tagline {
        font-size: 1rem;
    }

    .post-grid-v4,
    .post-grid-recommended {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .post-grid-v4 .post-card,
    .post-grid-recommended .post-card {
        display: grid;
        grid-template-columns: 104px minmax(0, 1fr);
        align-items: stretch;
        border-radius: 18px;
        overflow: hidden;
    }

    .post-grid-v4 .post-card-thumb,
    .post-grid-recommended .post-card-thumb {
        aspect-ratio: auto;
        height: 100%;
        min-height: 104px;
    }

    .post-grid-v4 .post-card-thumb img,
    .post-grid-recommended .post-card-thumb img {
        height: 100%;
    }

    .post-grid-v4 .thumb-placeholder,
    .post-grid-recommended .thumb-placeholder {
        min-height: 104px;
        font-size: 0.72rem;
        padding: 10px;
        text-align: center;
    }

    .post-grid-v4 .post-card-body,
    .post-grid-recommended .post-card-body {
        padding: 14px 14px 14px 16px;
    }

    .post-grid-v4 .post-card-meta,
    .post-grid-recommended .post-card-meta {
        gap: 8px;
        margin-bottom: 6px;
        font-size: 0.76rem;
        line-height: 1.5;
    }

    .post-grid-v4 .post-card-title,
    .post-grid-recommended .post-card-title {
        margin: 0 0 6px;
        font-size: 0.98rem;
        line-height: 1.45;
    }

    .post-grid-v4 .post-card-excerpt,
    .post-grid-recommended .post-card-excerpt {
        margin: 0;
        font-size: 0.86rem;
        line-height: 1.65;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .post-grid-v4 .text-link,
    .post-grid-recommended .text-link {
        display: none;
    }
}