/*
 * contents/blog/20220609_blog_1.html、contents/blog/20220721_blog_1.html、contents/blog/20220725_blog_1.html などのページ固有のスタイル（custom.css・site.css の後に読み込む）。
 * Tailwind のユーティリティクラス（px-4、lg:grid 等）は定義していないので、HTML に書いても効かない。
 * 新しい見た目が必要なときは、このファイルにクラスを追加して HTML から使うこと。
 *
 * ブレークポイント: sm 640px / md 768px / lg 1024px / xl 1280px / 2xl 1536px
 */

/* ================================================================ ページ全体（body） */
.article-page { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; background-color: #ffffff; }

/* ================================================================ article-hero（複雑化！？法改正への対処方法とは～電子帳簿保存法、インボイス） */
.article-hero { padding-bottom: 2.5rem; padding-top: 6rem; }
.article-hero-inner {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}
.article-hero-container { margin-left: auto; margin-right: auto; max-width: 56rem; }
.article-hero-title {
    margin-bottom: 1rem;
    font-size: 1.875rem;
    font-weight: 900;
    line-height: 1.25;
    color: #111827;
}
.article-hero-lead {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.625;
    color: #4b5563;
}
.article-hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: #6b7280;
}
.article-hero-date { font-weight: 500; }
.article-hero-category {
    margin-bottom: 1rem;
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    font-size: 0.75rem;
    line-height: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: #eff6ff;
    color: #0066ff;
}
.article-hero-category-tag { margin-bottom: 1rem; }
.article-hero-figure { margin-top: 2rem; }
.article-hero-image {
    height: auto;
    width: 100%;
    border-radius: 0.75rem;
    border-width: 1px;
    border-color: #e5e7eb;
}
@media (min-width: 640px) {
    .article-hero-inner { max-width: 640px; padding-left: 1.5rem; padding-right: 1.5rem; }
    .article-hero-title { font-size: 2.25rem; line-height: 2.5rem; }
    .article-hero-lead { font-size: 1.125rem; line-height: 1.75rem; }
}
@media (min-width: 768px) {
    .article-hero-inner { max-width: 768px; }
}
@media (min-width: 1024px) {
    .article-hero { padding-bottom: 3.5rem; padding-top: 8rem; }
    .article-hero-inner { max-width: 1024px; padding-left: 2rem; padding-right: 2rem; }
    .article-hero-title { font-size: 3rem; line-height: 1; }
}
@media (min-width: 1280px) {
    .article-hero-inner { max-width: 1280px; }
}
@media (min-width: 1536px) {
    .article-hero-inner { max-width: 1536px; }
}

/* ================================================================ article-breadcrumb */
.article-breadcrumb {
    margin-bottom: 1.25rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: #6b7280;
}
.article-breadcrumb-link {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, -webkit-text-decoration-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}
.article-breadcrumb-link:hover { color: #0066ff; }
.article-breadcrumb-separator { margin-left: 0.5rem; margin-right: 0.5rem; }
.article-breadcrumb-current { color: #374151; }

/* ================================================================ article-content */
.article-content { padding-bottom: 4rem; }
.article-content-inner {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}
.article-content-card {
    margin-left: auto;
    margin-right: auto;
    max-width: 56rem;
    padding: 1.5rem;
}
@media (min-width: 640px) {
    .article-content-inner { max-width: 640px; padding-left: 1.5rem; padding-right: 1.5rem; }
    .article-content-card { padding: 2rem; }
}
@media (min-width: 768px) {
    .article-content-inner { max-width: 768px; }
}
@media (min-width: 1024px) {
    .article-content { padding-bottom: 6rem; }
    .article-content-inner { max-width: 1024px; padding-left: 2rem; padding-right: 2rem; }
    .article-content-card { padding: 3rem; }
}
@media (min-width: 1280px) {
    .article-content-inner { max-width: 1280px; }
}
@media (min-width: 1536px) {
    .article-content-inner { max-width: 1536px; }
}

/* ================================================================ article-archive-notice */
.article-archive-notice {
    margin-bottom: 2rem;
    border-left-width: 4px;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    padding-left: 1rem;
    border-color: #3b82f6;
}
.article-archive-notice-title {
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 700;
    color: #111827;
}
.article-archive-notice-text { font-size: 0.875rem; line-height: 1.625; color: #374151; }
.article-archive-notice-link {
    margin-left: 0.25rem;
    font-weight: 700;
    text-decoration-line: underline;
    text-underline-offset: 2px;
    color: #0066ff;
}
@media (min-width: 640px) {
    .article-archive-notice { padding-left: 1.25rem; }
}

/* ================================================================ article-cta（貴社業務に合わせた最適な運用案をご提案します） */
.article-cta {
    margin-top: 2.5rem;
    border-radius: 1rem;
    border-width: 1px;
    padding: 1.5rem;
    border-color: #e5e7eb;
    background-color: #f9fafb;
}
.article-cta-eyebrow {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 700;
    color: #0066ff;
}
.article-cta-title {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 900;
    color: #111827;
}
.article-cta-text { margin-bottom: 1.25rem; color: #4b5563; }
.article-cta-actions { display: flex; flex-direction: column; gap: 0.75rem; }
.article-cta-primary {
    justify-content: center;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    text-align: center;
}
.article-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    border-width: 1px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    font-weight: 600;
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, -webkit-text-decoration-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
    border-color: #d1d5db;
    color: #374151;
}
.article-cta-secondary:hover { border-color: #0066ff; color: #0066ff; }
@media (min-width: 640px) {
    .article-cta { padding: 2rem; }
    .article-cta-title { font-size: 1.5rem; line-height: 2rem; }
    .article-cta-actions { flex-direction: row; }
}

/* ================================================================ article */
.article-download-panel {
    margin-top: 2rem;
    margin-bottom: 2rem;
    border-radius: 1rem;
    border-width: 1px;
    padding: 1.5rem;
    border-color: #e5e7eb;
    background-color: #f9fafb;
}
.article-download-panel-eyebrow {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 700;
    color: #0066ff;
}
.article-download-panel-action { margin-top: 1rem; }
.article-download-panel-link {
    display: inline-flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    text-align: center;
}
.article-update-notice {
    margin-bottom: 2rem;
    border-left-width: 4px;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    padding-left: 1rem;
    border-color: #3b82f6;
}
.article-update-notice-title {
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 700;
    color: #111827;
}
.article-update-notice-text { font-size: 0.875rem; line-height: 1.625; color: #374151; }
.article-update-notice-link {
    margin-left: 0.25rem;
    font-weight: 700;
    text-decoration-line: underline;
    text-underline-offset: 2px;
    color: #0066ff;
}
.article-table-scroll { overflow-x: auto; }
.article-table-block { margin-top: 1.5rem; margin-bottom: 1.5rem; overflow-x: auto; }
.article-table-container { margin-top: 1.5rem; margin-bottom: 1.5rem; }
@media (min-width: 640px) {
    .article-download-panel { padding: 2rem; }
    .article-download-panel-link { width: auto; }
    .article-update-notice { padding-left: 1.25rem; }
}

/* ================================================================ article-toc */
.article-toc { margin-bottom: 2rem; font-size: 0.875rem; line-height: 1.25rem; }
.article-toc-title { font-weight: 800; }
.article-toc-list { list-style-type: decimal; padding-left: 1.25rem; }

/* ================================================================ article-product-cta（AI積算で出した数量を、見積集約・予算化・請求照合までつなげ） */
.article-product-cta { margin-top: 2.5rem; }
.article-product-cta-eyebrow {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    line-height: 1.25rem;
    font-weight: 700;
    color: #0066ff;
}
.article-product-cta-title {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    line-height: 1.75rem;
    font-weight: 900;
    color: #111827;
}
.article-product-cta-text { margin-bottom: 1.25rem; color: #4b5563; }
.article-product-cta-actions { display: flex; flex-direction: column; gap: 0.75rem; }
.article-product-cta-primary {
    justify-content: center;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    text-align: center;
}
.article-product-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    border-width: 1px;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    font-weight: 600;
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, -webkit-text-decoration-color;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
    border-color: #d1d5db;
    color: #374151;
}
.article-product-cta-secondary:hover { border-color: #0066ff; color: #0066ff; }
@media (min-width: 640px) {
    .article-product-cta-title { font-size: 1.5rem; line-height: 2rem; }
    .article-product-cta-actions { flex-direction: row; }
}