/* /blog・/blog/<slug> のスタイル。
   下層ページの基準（company.css）に合わせた 1120px コンテナ・14px 本文で組んでいる。
   カード（.news-card）はトップページと共通なので styles.css 側にある。 */

.blog-page {
  --blog-navy: #001f56;
  --blog-blue: #073d70;
  --blog-cyan: #58c4d8;
  --blog-ink: #172238;
  overflow-x: hidden;
  color: var(--blog-ink);
}

.blog-page .global-nav a.is-current { position: relative; color: #06447d; }
.blog-page .global-nav a.is-current::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 0;
  left: 12px;
  height: 3px;
  background: var(--blog-navy);
}

.blog-container { width: min(1120px, calc(100% - 80px)); margin: 0 auto; }
.blog-container--narrow { width: min(760px, calc(100% - 48px)); }
.blog-container--center { text-align: center; }

/* ヒーロー */
.blog-hero {
  padding: 84px 0 76px;
  color: #fff;
  background: linear-gradient(100deg, #00376c 0%, #002451 58%, #001b40 100%);
}
.blog-hero__inner { width: min(1120px, calc(100% - 80px)); margin: 0 auto; }
.blog-hero__label { margin: 0 0 20px; color: var(--blog-cyan); font: 800 11px/1 Arial, sans-serif; letter-spacing: .2em; }
.blog-hero h1 { margin: 0; font: 500 clamp(30px, 4.2vw, 50px)/1.4 var(--serif); letter-spacing: .08em; }
.blog-hero__lead { margin: 24px 0 0; max-width: 620px; font-size: 14px; line-height: 2; letter-spacing: .04em; }

.blog-hero--detail { padding: 64px 0 58px; }
.blog-hero__back { display: inline-block; margin-bottom: 22px; color: #b9d6e8; font: 700 10px/1 Arial, sans-serif; letter-spacing: .16em; }
.blog-hero__back:hover { color: #fff; }
.blog-hero__meta { margin: 0 0 16px; display: flex; align-items: center; gap: 12px; }
.blog-hero__meta time { color: #cfe0ee; font: 700 12px/1 Arial, sans-serif; letter-spacing: .06em; }
.blog-hero__meta b { padding: 5px 11px; color: #04305f; background: #cfe6f2; font-size: 10px; font-weight: 700; }
.blog-hero--detail h1 { font-size: clamp(24px, 3.1vw, 38px); line-height: 1.55; }

/* 一覧 */
.blog-list { padding: 84px 0 90px; background: #fff; }
.blog-empty { margin: 0; padding: 80px 20px; text-align: center; color: #64748b; font-size: 14px; background: #f7f9fc; border: 1px dashed #d9dee6; }

/* 記事本文 */
.blog-article { padding: 72px 0 88px; background: #fff; }
.blog-article__visual { margin: 0 0 48px; }
.blog-article__visual img { width: 100%; border-radius: 3px; }

.blog-article__body { font-size: 15px; line-height: 2.1; letter-spacing: .03em; color: #24344c; }
.blog-article__body > *:first-child { margin-top: 0; }
.blog-article__body h2 {
  margin: 56px 0 22px;
  padding-bottom: 14px;
  color: #082f60;
  font: 500 24px/1.55 var(--serif);
  letter-spacing: .06em;
  border-bottom: 1px solid #dde3ec;
}
.blog-article__body h3 { margin: 42px 0 16px; color: #082f60; font-size: 18px; line-height: 1.6; font-weight: 700; }
.blog-article__body h4, .blog-article__body h5, .blog-article__body h6 { margin: 32px 0 12px; color: #082f60; font-size: 15px; font-weight: 700; }
.blog-article__body p { margin: 0 0 26px; }
.blog-article__body a { color: #0a4c89; text-decoration: underline; text-underline-offset: 3px; }
.blog-article__body strong { font-weight: 700; color: #12233d; }
.blog-article__body ul, .blog-article__body ol { margin: 0 0 26px; padding-left: 1.4em; }
.blog-article__body li { margin-bottom: 8px; }
.blog-article__body li > ul, .blog-article__body li > ol { margin: 8px 0 0; }
.blog-article__body img { width: 100%; margin: 32px 0; border-radius: 3px; }
.blog-article__body blockquote {
  margin: 0 0 26px;
  padding: 4px 0 4px 22px;
  color: #4b5868;
  border-left: 3px solid #b9cbe0;
}
.blog-article__body blockquote p:last-child { margin-bottom: 0; }
.blog-article__body hr { margin: 44px 0; border: 0; border-top: 1px solid #dde3ec; }
.blog-article__body code { padding: 2px 6px; font-size: .88em; background: #eef1f6; border-radius: 3px; }
.blog-article__body pre { margin: 0 0 26px; padding: 18px 20px; overflow-x: auto; background: #0d2544; border-radius: 4px; }
.blog-article__body pre code { padding: 0; color: #dbe7f5; font-size: 13px; line-height: 1.8; background: none; }
.blog-article__body table { width: 100%; margin: 0 0 26px; border-collapse: collapse; font-size: 14px; }
.blog-article__body th, .blog-article__body td { padding: 12px 14px; text-align: left; border: 1px solid #dde3ec; }
.blog-article__body th { color: #082f60; background: #f2f6fb; font-weight: 700; }

.blog-article__tags { margin: 44px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.blog-article__tags li { padding: 6px 12px; color: #34506f; font-size: 11px; background: #eef2f8; border-radius: 999px; }
.blog-article__author { margin: 32px 0 0; color: #64748b; font-size: 12px; }
.blog-article__back { margin-top: 40px; }

/* 他のお知らせ */
.blog-related { padding: 78px 0 92px; background: #f6f8fb; }
.blog-related .section-title { margin-bottom: 38px; }

/* お問い合わせ帯 */
.blog-cta { padding: 0 0 92px; background: #fff; }
.blog-page .blog-related + .blog-cta { padding-top: 92px; }
.blog-cta__inner {
  width: min(1120px, calc(100% - 80px));
  margin: 0 auto;
  padding: 40px 44px;
  display: flex;
  align-items: center;
  gap: 26px;
  border: 1px solid #164a80;
}
.blog-cta__inner > svg { flex: 0 0 44px; width: 44px; height: 34px; fill: none; stroke: #00316a; stroke-width: 1.5; }
.blog-cta h2 { margin: 0; color: #07366b; font: 400 21px/1.35 var(--serif); letter-spacing: .09em; }
.blog-cta p { margin: 6px 0 0; color: #33547a; font-size: 12px; }
.blog-cta .button { min-width: 230px; height: 46px; margin-left: auto; flex-shrink: 0; font-size: 12px; }

@media (max-width: 900px) {
  .blog-container, .blog-hero__inner, .blog-cta__inner { width: calc(100% - 40px); }
  .blog-container--narrow { width: calc(100% - 40px); }
  .blog-hero { padding: 52px 0 48px; }
  .blog-hero--detail { padding: 44px 0 40px; }
  .blog-hero__lead { font-size: 13px; }
  .blog-list { padding: 48px 0 56px; }
  .blog-article { padding: 44px 0 56px; }
  .blog-article__visual { margin-bottom: 32px; }
  .blog-article__body { font-size: 14px; line-height: 2; }
  .blog-article__body h2 { margin: 40px 0 18px; font-size: 20px; }
  .blog-article__body h3 { margin: 32px 0 14px; font-size: 16px; }
  .blog-related { padding: 48px 0 56px; }
  .blog-cta { padding-bottom: 56px; }
  .blog-page .blog-related + .blog-cta { padding-top: 56px; }
  .blog-cta__inner { padding: 26px 22px; flex-direction: column; align-items: flex-start; gap: 16px; }
  .blog-cta .button { width: 100%; margin-left: 0; }
}