:root {
    --bl-ink: #18212f;
    --bl-muted: #526071;
    --bl-line: #dce5ef;
    --bl-bg: #f6f9fb;
    --bl-card: #ffffff;
    --bl-green: #178f5b;
    --bl-blue: #2563eb;
    --bl-gold: #f3a712;
    --bl-radius: 8px;
    --bl-header-height: 82px;
    --bl-adminbar-height: 0px;
    --bl-safe-top: calc(var(--bl-header-height) + var(--bl-adminbar-height));
    --bl-main-padding-top: calc(var(--bl-safe-top) + 32px);
    --bl-anchor-offset: calc(var(--bl-safe-top) + 32px);
    --bl-hero-top: 48px;
}

html,
body {
    overflow-x: hidden;
}

html {
    scroll-padding-top: calc(var(--bl-header-height) + 32px);
}

body.admin-bar {
    --bl-adminbar-height: 32px;
    --bl-safe-top: calc(var(--bl-header-height) + var(--bl-adminbar-height));
    --bl-main-padding-top: calc(var(--bl-safe-top) + 32px);
    --bl-anchor-offset: calc(var(--bl-safe-top) + 32px);
}

body.admin-bar {
    scroll-padding-top: var(--bl-anchor-offset);
}

@media (max-width: 782px) {
    body.admin-bar {
        --bl-adminbar-height: 46px;
    }
}

@media (max-width: 860px) {
    :root {
        --bl-header-height: 148px;
        --bl-hero-top: 40px;
    }
}

@media (max-width: 420px) {
    :root {
        --bl-header-height: 168px;
        --bl-hero-top: 36px;
    }
}

.buppan-lab-site *,
.buppan-lab-site *::before,
.buppan-lab-site *::after {
    box-sizing: border-box;
}

.buppan-lab-site {
    background: var(--bl-bg);
    color: var(--bl-ink);
    font-size: 17px;
    line-height: 1.85;
}

.buppan-lab-site.bl-plugin-shell {
    margin: 0;
    min-width: 0;
}

.buppan-lab-site img,
.buppan-lab-site svg {
    max-width: 100%;
    height: auto;
}

.bl-site-header,
.bl-public-header {
    position: fixed;
    top: var(--bl-adminbar-height);
    right: 0;
    left: 0;
    z-index: 999;
    min-height: var(--bl-header-height);
    border-bottom: 1px solid var(--bl-line);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(14px);
}

.bl-site-header__inner,
.bl-site-footer__inner {
    width: min(100% - 48px, 1160px);
    margin-inline: auto;
}

.bl-site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--bl-header-height);
    gap: 24px;
}

.bl-site-brand {
    display: grid;
    min-width: 180px;
    color: var(--bl-ink);
    font-weight: 900;
    line-height: 1.2;
    text-decoration: none;
}

.bl-site-brand span {
    font-size: 1.05rem;
}

.bl-site-brand small {
    color: var(--bl-muted);
    font-size: 0.76rem;
    font-weight: 800;
}

.bl-site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px 16px;
}

.bl-site-nav a,
.bl-site-footer a {
    color: var(--bl-ink);
    font-weight: 800;
    line-height: 1.3;
    text-decoration: none;
}

.bl-site-nav a {
    padding: 8px 0;
}

.bl-site-nav a:hover,
.bl-site-nav a:focus,
.bl-site-footer a:hover,
.bl-site-footer a:focus {
    color: var(--bl-green);
}

.bl-site-footer {
    margin-top: 40px;
    border-top: 1px solid var(--bl-line);
    background: #fff;
}

.bl-site-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 14px 24px;
    padding: 28px 0;
}

.bl-site-footer p {
    margin: 0;
    color: var(--bl-muted);
    font-weight: 800;
}

.bl-site-footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
}

.bl-container,
.bl-page,
.bl-section__inner,
.bl-site-main {
    width: min(100% - 48px, 1160px);
    margin-inline: auto;
}

.bl-site-main,
.bl-main {
    padding: var(--bl-main-padding-top) 0 52px;
    overflow: visible;
}

.bl-public-page {
    width: 100%;
}

.bl-page-shell,
.bl-page-content {
    min-width: 0;
    overflow: visible;
}

.bl-page-content > * {
    max-width: 100%;
}

.bl-kicker {
    margin: 0 0 10px;
    color: var(--bl-green);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0;
}

.bl-home-hero,
.bl-archive-hero,
.bl-article-hero {
    padding: var(--bl-hero-top) 0 30px;
    overflow: visible;
}

.bl-hero,
.bl-home-hero,
.bl-archive-hero,
.bl-article-hero,
.bl-section,
.bl-anchor,
[id] {
    scroll-margin-top: var(--bl-anchor-offset);
}

.bl-hero {
    padding-top: var(--bl-hero-top);
    overflow: visible;
}

.bl-home-hero__inner,
.bl-hero,
.bl-article-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
    gap: 36px;
    align-items: center;
}

.bl-home-hero__copy h1,
.bl-hero__copy h1,
.bl-archive-hero h1,
.bl-article-hero h1 {
    max-width: 760px;
    margin: 0 0 18px;
    color: var(--bl-ink);
    font-size: clamp(2.25rem, 3.2vw, 3.35rem);
    line-height: 1.16;
    letter-spacing: 0;
    overflow-wrap: anywhere;
    overflow: visible;
}

.bl-archive-hero h1,
.bl-article-hero h1 {
    font-size: clamp(2rem, 2.8vw, 3rem);
}

.bl-home-hero__copy p,
.bl-hero__copy p,
.bl-archive-hero p,
.bl-article-lead {
    max-width: 760px;
    margin: 0;
    color: var(--bl-muted);
    font-size: clamp(1rem, 1.35vw, 1.12rem);
    line-height: 1.9;
}

.bl-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.bl-button,
.buppan-form .bl-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 20px;
    border: 0;
    border-radius: 6px;
    background: var(--bl-green);
    color: #fff;
    font-weight: 800;
    line-height: 1.25;
    text-decoration: none;
    cursor: pointer;
}

.bl-button:hover,
.bl-button:focus {
    background: #0f7549;
    color: #fff;
    text-decoration: none;
}

.bl-button--secondary {
    background: #ffffff;
    color: var(--bl-ink);
    border: 1px solid #cfd9e6;
}

.bl-button--secondary:hover,
.bl-button--secondary:focus {
    background: #f3f7fb;
    color: var(--bl-ink);
}

.bl-button--line {
    background: #06c755;
}

.bl-mainimg,
.bl-article-hero__media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
    box-shadow: 0 18px 40px rgba(24, 33, 47, 0.12);
}

.bl-dashboard-card {
    min-width: 0;
    padding: 24px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
    box-shadow: 0 18px 46px rgba(24, 33, 47, 0.12);
}

.bl-dashboard-card__head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.bl-dashboard-card__head span,
.bl-dashboard-card small,
.bl-post-card__meta {
    color: #64748b;
    font-size: 0.82rem;
    font-weight: 700;
}

.bl-dashboard-grid,
.bl-cardgrid,
.bl-purpose-grid,
.bl-post-grid,
.bl-imagegrid {
    display: grid;
    gap: 16px;
}

.bl-dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bl-dashboard-grid div,
.bl-card,
.bl-purpose-card,
.bl-post-card,
.bl-imagecard {
    min-width: 0;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
}

.bl-dashboard-grid div {
    padding: 16px;
    background: #f8fbfd;
}

.bl-dashboard-grid span,
.bl-dashboard-grid small {
    display: block;
}

.bl-dashboard-grid strong {
    display: block;
    margin: 4px 0;
    font-size: clamp(1.35rem, 2vw, 2rem);
    line-height: 1.1;
}

.bl-dashboard-line {
    position: relative;
    height: 14px;
    margin-top: 20px;
    overflow: hidden;
    border-radius: 999px;
    background: #dfe6ef;
}

.bl-dashboard-line i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #60a5fa, #6ee7b7);
}

.bl-section {
    padding: 34px 0;
}

.bl-section__inner > h2,
.bl-section-head h2,
.bl-container > h2,
.bl-related-section h2 {
    margin: 0 0 18px;
    color: var(--bl-ink);
    font-size: clamp(1.55rem, 2.2vw, 2.1rem);
    line-height: 1.32;
    letter-spacing: 0;
}

.bl-lead-small {
    max-width: 760px;
    margin: 0;
    color: var(--bl-muted);
    line-height: 1.85;
}

.bl-cardgrid,
.bl-purpose-grid,
.bl-post-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bl-imagegrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bl-card {
    padding: 20px;
}

.bl-card h3,
.bl-imagecard h3,
.bl-actionbox h3,
.bl-purpose-card h3 {
    margin: 0 0 10px;
    color: var(--bl-ink);
    font-size: clamp(1.02rem, 1.2vw, 1.16rem);
    line-height: 1.45;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.bl-card p,
.bl-imagecard p,
.bl-actionbox p,
.bl-purpose-card p {
    margin: 0;
    color: var(--bl-muted);
    line-height: 1.8;
}

.bl-purpose-card {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 10px;
    min-height: 214px;
    height: 100%;
    padding: 20px;
    color: inherit;
    text-decoration: none;
}

.bl-purpose-kicker,
.bl-purpose-card__label {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    min-height: 26px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #eef7f2;
    color: var(--bl-green);
    font-size: 0.76rem;
    font-weight: 900;
    line-height: 1.2;
}

.bl-purpose-link,
.bl-purpose-card__link {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    min-height: 34px;
    padding: 7px 12px;
    border: 1px solid #cfd9e6;
    border-radius: 6px;
    background: #fff;
    color: #1663c7;
    font-size: 0.9rem;
    font-weight: 900;
    line-height: 1.25;
}

.bl-purpose-card:hover,
.bl-purpose-card:focus {
    border-color: var(--bl-green);
    box-shadow: 0 12px 28px rgba(23, 143, 91, 0.12);
}

.bl-purpose-card:hover .bl-purpose-link,
.bl-purpose-card:focus .bl-purpose-link,
.bl-purpose-card:hover .bl-purpose-card__link,
.bl-purpose-card:focus .bl-purpose-card__link {
    border-color: var(--bl-green);
    color: var(--bl-green);
}

.bl-imagecard {
    overflow: hidden;
}

.bl-imagecard img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #fff;
}

.bl-imagecard > div {
    padding: 16px 18px 18px;
}

.bl-textlink {
    display: inline-flex;
    margin-top: 12px;
    color: #1663c7;
    font-weight: 800;
    text-decoration: none;
}

.bl-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.bl-checklist li {
    position: relative;
    min-width: 0;
    padding: 14px 16px 14px 42px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
    color: #354154;
    line-height: 1.7;
}

.bl-checklist li::before {
    content: "";
    position: absolute;
    top: 19px;
    left: 16px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bl-gold);
    box-shadow: 0 0 0 4px rgba(243, 167, 18, 0.18);
}

.bl-actionbox {
    margin-top: 24px;
    padding: 24px;
    border-radius: var(--bl-radius);
    background: var(--bl-ink);
    color: #fff;
}

.bl-actionbox h3,
.bl-actionbox p {
    color: #fff;
}

.bl-related {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bl-related a {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 9px 14px;
    border: 1px solid #cfd9e6;
    border-radius: 6px;
    background: #fff;
    color: var(--bl-ink);
    font-weight: 800;
    text-decoration: none;
}

.bl-header-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
}

.bl-header-nav__link {
    color: var(--bl-ink);
    font-weight: 800;
    text-decoration: none;
}

.bl-post-card {
    display: grid;
    grid-template-rows: auto 1fr;
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    box-shadow: 0 14px 34px rgba(24, 33, 47, 0.08);
}

.bl-post-card:hover,
.bl-post-card:focus-within {
    transform: translateY(-2px);
    border-color: #c7d4e4;
    box-shadow: 0 20px 46px rgba(24, 33, 47, 0.12);
}

.bl-post-card__media {
    display: block;
    background: #e8eef6;
}

.bl-post-card__media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #fff;
}

.bl-post-card__body {
    display: grid;
    gap: 10px;
    align-content: start;
    padding: 18px;
}

.bl-post-card__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    min-height: 1.2em;
}

.bl-post-card__meta span {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 3px 8px;
    border-radius: 999px;
    background: #eef7f2;
    color: var(--bl-green);
}

.bl-post-card h2 {
    margin: 0;
    font-size: clamp(1.02rem, 1.08vw, 1.12rem);
    line-height: 1.45;
    letter-spacing: 0;
    overflow-wrap: anywhere;
}

.bl-post-card h2 a {
    color: var(--bl-ink);
    text-decoration: none;
}

.bl-post-card p {
    margin: 0;
    color: var(--bl-muted);
    font-size: 0.95rem;
    line-height: 1.75;
    overflow-wrap: anywhere;
}

.bl-pagination {
    margin-top: 28px;
}

.bl-pagination ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    list-style: none;
}

.bl-pagination a,
.bl-pagination span {
    display: inline-flex;
    min-width: 40px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bl-line);
    border-radius: 6px;
    background: #fff;
    color: var(--bl-ink);
    text-decoration: none;
}

.bl-article-shell {
    width: min(100% - 48px, 1120px);
    margin-inline: auto;
}

.bl-article-hero {
    width: 100%;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
}

.bl-article-hero h1 {
    font-size: clamp(1.65rem, 2.05vw, 2.28rem);
    line-height: 1.22;
}

.bl-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 14px;
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 800;
}

.bl-article-body {
    max-width: 880px;
    margin: 28px auto 0;
    color: #273244;
    font-size: 1.02rem;
    line-height: 1.9;
}

.bl-article-body > * {
    max-width: 100%;
}

.bl-article-body h2 {
    margin: 36px 0 14px;
    color: var(--bl-ink);
    font-size: clamp(1.45rem, 2vw, 1.9rem);
    line-height: 1.35;
    letter-spacing: 0;
}

.bl-article-body h3 {
    margin: 24px 0 10px;
    color: var(--bl-ink);
    font-size: clamp(1.12rem, 1.5vw, 1.28rem);
    line-height: 1.45;
}

.bl-article-body p {
    margin: 0 0 18px;
}

.bl-article-body figure {
    margin: 24px 0;
}

.bl-article-body img {
    border-radius: var(--bl-radius);
}

.bl-compare-table {
    overflow-x: auto;
}

.bl-compare-table table {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    background: #fff;
}

.bl-compare-table th,
.bl-compare-table td {
    padding: 12px 14px;
    border: 1px solid var(--bl-line);
    text-align: left;
    vertical-align: top;
    line-height: 1.7;
}

.bl-compare-table th {
    background: #eef3f8;
}

.bl-diagram {
    margin: 18px 0;
    padding: 16px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #f6f9fb;
    color: #354154;
    line-height: 1.8;
}

.bl-media-cardgrid,
.bl-comparison-visual {
    display: grid;
    gap: 16px;
    margin: 22px 0 28px;
}

.bl-media-cardgrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.bl-comparison-visual {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.bl-media-card,
.bl-comparison-visual div {
    margin: 0;
    padding: 14px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
}

.bl-media-card img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #fff;
    border-radius: 6px;
}

.bl-media-card figcaption {
    margin-top: 10px;
    color: #354154;
    font-weight: 800;
}

.bl-comparison-visual strong,
.bl-comparison-visual span {
    display: block;
}

.bl-comparison-visual span {
    margin-top: 8px;
    color: #354154;
}

.buppan-form-wrap {
    max-width: 900px;
    margin: 0;
    padding: 24px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
    box-shadow: 0 12px 30px rgba(24, 33, 47, 0.08);
}

.buppan-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.buppan-field {
    display: grid;
    gap: 7px;
    min-width: 0;
    color: #273244;
    font-weight: 800;
}

.buppan-field--full {
    grid-column: 1 / -1;
}

.buppan-field em,
.buppan-check em {
    color: #c23b22;
    font-style: normal;
    font-size: 0.82em;
}

.buppan-field input,
.buppan-field select,
.buppan-field textarea {
    width: 100%;
    min-height: 46px;
    box-sizing: border-box;
    border: 1px solid #cfd9e6;
    border-radius: 6px;
    background: #fff;
    color: var(--bl-ink);
    font: inherit;
}

.buppan-field input,
.buppan-field select {
    padding: 10px 12px;
}

.buppan-field textarea {
    min-height: 150px;
    padding: 12px;
    resize: vertical;
}

.buppan-check {
    display: flex;
    gap: 10px;
    margin: 18px 0 0;
    color: #273244;
    font-weight: 800;
}

.buppan-form-actions {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
}

.buppan-form-notice {
    margin: 0 0 18px;
    padding: 14px 16px;
    border-left: 4px solid #c23b22;
    border-radius: 6px;
    background: #fff4f1;
    color: #4a2a22;
}

.buppan-form-notice--success {
    border-left-color: var(--bl-green);
    background: #eefaf4;
    color: #173d2b;
}

.bl-line-box {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 20px;
}

.bl-line-icon {
    display: block;
    max-width: 128px;
    border-radius: var(--bl-radius);
}

.bl-line-box__text {
    display: inline-flex;
    align-items: center;
    min-height: 46px;
    padding: 12px 16px;
    border-radius: 6px;
    background: #eef3f8;
    color: #354154;
    font-weight: 800;
}

.bl-empty-state {
    padding: 24px;
    border: 1px solid var(--bl-line);
    border-radius: var(--bl-radius);
    background: #fff;
}

@media (max-width: 980px) {
    .bl-cardgrid,
    .bl-purpose-grid,
    .bl-post-grid,
    .bl-media-cardgrid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bl-comparison-visual {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 860px) {
    .bl-site-header__inner {
        align-items: flex-start;
        flex-direction: column;
        min-height: 0;
        padding: 14px 0;
        gap: 10px;
    }

    .bl-site-nav {
        justify-content: flex-start;
        gap: 6px 12px;
    }

    .bl-home-hero__inner,
    .bl-hero,
    .bl-article-hero {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bl-home-hero,
    .bl-archive-hero,
    .bl-article-hero {
        padding-top: 28px;
    }
}

@media (max-width: 640px) {
    .bl-container,
    .bl-page,
    .bl-section__inner,
    .bl-site-main,
    .bl-article-shell,
    .bl-site-header__inner,
    .bl-site-footer__inner {
        width: min(100% - 32px, 1160px);
    }

    .bl-home-hero__copy h1,
    .bl-hero__copy h1,
    .bl-archive-hero h1,
    .bl-article-hero h1 {
        font-size: clamp(1.75rem, 8vw, 2.25rem);
        line-height: 1.22;
    }

    .bl-cardgrid,
    .bl-purpose-grid,
    .bl-post-grid,
    .bl-imagegrid,
    .bl-media-cardgrid,
    .bl-comparison-visual,
    .bl-checklist,
    .buppan-form-grid {
        grid-template-columns: 1fr;
    }

    .bl-actions,
    .buppan-form-actions {
        width: 100%;
    }

    .bl-button,
    .buppan-form .bl-button {
        width: 100%;
    }

    .buppan-field--full {
        grid-column: auto;
    }

    .buppan-form-wrap {
        padding: 18px;
    }

    .bl-related a {
        width: 100%;
        justify-content: center;
    }

    .bl-compare-table table {
        min-width: 0;
        table-layout: fixed;
        font-size: 0.9rem;
    }

    .bl-compare-table th,
    .bl-compare-table td {
        padding: 10px;
        overflow-wrap: anywhere;
        word-break: normal;
    }
}