:root {
  --navy: #123f56;
  --orange: #e0571b;
  --ink: #0b0b0b;
  --paper: #f4ede3;
  --muted: #b9afa2;
}

* { box-sizing: border-box; }
html { background: var(--ink); color: var(--paper); font-family: "Noto Sans JP", sans-serif; overflow-x: hidden; }
body { margin: 0; background: var(--ink); line-height: 1.8; overflow-x: hidden; }
a { color: inherit; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(0,0,0,.92); border-bottom: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(12px); }
.header-inner { max-width: 1120px; margin: auto; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { min-width: 0; display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: "Bebas Neue", sans-serif; font-size: 1.45rem; letter-spacing: .04em; }
.brand span { white-space: nowrap; }
.brand img { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.brand b, .eyebrow, .post-copy time, .article-heading time { color: var(--orange); }
.header-inner nav { display: flex; gap: 22px; font-size: .9rem; }
.header-inner nav a { text-decoration: none; color: #ddd; }
.header-inner nav a:hover { color: #fff; }

.blog-main, .article-main { width: min(1040px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0 110px; }
.blog-heading { max-width: 720px; margin-bottom: 48px; }
.eyebrow { font-weight: 700; letter-spacing: .16em; }
.blog-heading h1, .article-heading h1 { font-family: "Noto Serif JP", serif; font-size: clamp(2.4rem, 7vw, 4.5rem); line-height: 1.25; margin: .2em 0; overflow-wrap: anywhere; }
.blog-heading > p:last-child, .lead { color: #d0c7bc; font-size: 1.08rem; overflow-wrap: anywhere; }

.post-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.post-card { overflow: hidden; border: 1px solid rgba(255,255,255,.13); background: #141210; }
.post-image { display: block; aspect-ratio: 16/9; overflow: hidden; }
.post-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
.post-copy { padding: 25px; }
.post-copy time { font-size: .86rem; font-weight: 700; }
.post-copy h2 { font-family: "Noto Serif JP", serif; line-height: 1.5; margin: 10px 0; overflow-wrap: anywhere; }
.post-copy h2 a { text-decoration: none; }
.post-copy p { color: var(--muted); font-size: .94rem; }
.read-more, .back-link a { display: inline-block; margin-top: 10px; color: #ff864c; font-weight: 700; text-decoration: none; }

.breadcrumb { display: flex; gap: 8px; flex-wrap: wrap; color: #aaa; font-size: .85rem; margin-bottom: 40px; overflow-wrap: anywhere; }
.breadcrumb a { color: #ddd; }
.article-main { max-width: 860px; }
.article-heading { margin-bottom: 40px; }
.article-heading time { display: block; font-weight: 700; }
.article-heading h1 { font-size: clamp(2.1rem, 6vw, 4rem); }
article figure { margin: 0 0 42px; }
article figure img { display: block; width: 100%; max-width: 100%; height: auto; max-height: 620px; object-fit: cover; border-radius: 3px; }
article figcaption { margin-top: 8px; color: #999; font-size: .8rem; }
.article-body { font-family: "Noto Serif JP", serif; font-size: 1.07rem; line-height: 2.15; overflow-wrap: anywhere; }
.article-body p { margin: 0 0 1.8em; }
.back-link { margin-top: 64px; }

.site-footer { border-top: 1px solid rgba(255,255,255,.12); padding: 34px 20px; color: #999; font-size: .85rem; }
.site-footer > div { max-width: 1040px; margin: auto; display: flex; justify-content: space-between; gap: 20px; }
.site-footer p { margin: 0; }

@media (max-width: 720px) {
  .header-inner nav { display: none; }
  .brand { gap: 8px; font-size: clamp(.9rem, 4vw, 1.15rem); }
  .brand img { width: 40px; height: 40px; }
  .post-grid { grid-template-columns: 1fr; }
  .blog-main, .article-main { width: calc(100% - 32px); padding-top: 50px; }
  .article-heading h1 { font-size: clamp(2rem, 11vw, 3rem); }
  .site-footer > div { display: block; }
  .site-footer p + p { margin-top: 8px; }
}