:root { --ink: #202322; --muted: #6c716e; --paper: #f7f6f1; --line: #deddd6; --accent: #315b4d; --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--font-sans); line-height: 1.8; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 1000; width: auto; height: auto; padding: 8px 16px; clip: auto; background: #fff; }
.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(32,35,34,.1); background: rgba(247,246,241,.95); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; width: min(1180px, calc(100% - 40px)); min-height: 68px; margin: auto; gap: 30px; }
.site-brand { font-family: var(--font-sans); font-size: 1.15rem; font-weight: 700; text-decoration: none; letter-spacing: .08em; }
.site-nav__list { display: flex; flex-wrap: wrap; gap: 24px; margin: 0; padding: 0; list-style: none; }
.site-nav a { text-decoration: none; }
.site-nav a:hover { color: var(--accent); }
.hero { position: relative; display: grid; place-items: center; width: min(1280px, 100%); aspect-ratio: 1280 / 800; max-height: calc(100vh - 68px); min-height: 420px; margin: 0 auto; overflow: hidden; background: linear-gradient(135deg, #567467, #1f332c); background-position: center; background-size: cover; }
.hero__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,16,13,.1), rgba(8,16,13,.46)); }
.hero__title { position: relative; z-index: 1; max-width: 90%; margin: 0; color: #fff; font-family: var(--font-sans); font-size: clamp(2.4rem, 7vw, 6rem); font-weight: 500; line-height: 1.25; text-align: center; text-shadow: 0 3px 25px rgba(0,0,0,.35); letter-spacing: .12em; }
.js .hero__title { opacity: 0; transform: translateY(16px); animation: hero-title-in 1.8s ease 1s forwards; }
@keyframes hero-title-in { to { opacity: 1; transform: translateY(0); } }
.post-section, .content-area { width: min(1180px, calc(100% - 40px)); margin: 0 auto; padding: clamp(64px, 9vw, 110px) 0; }
.post-section + .post-section { border-top: 1px solid var(--line); }
.section-title, .page-header h1 { margin: 0 0 42px; font-family: var(--font-sans); font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 500; text-align: center; letter-spacing: .1em; }
.section-title::after { display: block; width: 42px; height: 2px; margin: 18px auto 0; background: var(--accent); content: ""; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(24px, 4vw, 48px) 28px; }
.post-card { min-width: 0; }
.post-card__image { display: grid; aspect-ratio: 16 / 10; overflow: hidden; background: #e5e4de; place-items: center; text-decoration: none; }
.post-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.post-card:hover .post-card__image img { transform: scale(1.035); }
.post-card__placeholder { color: #9a9d9b; font-size: .72rem; letter-spacing: .16em; }
.post-card__body { padding: 18px 2px 0; }
.post-card__date { color: var(--muted); font-size: .76rem; letter-spacing: .08em; }
.post-card__title { margin: 5px 0 0; font-size: 1.08rem; line-height: 1.55; }
.post-card__title a { text-decoration: none; }
.post-card__title a:hover { color: var(--accent); }
.post-card__excerpt { margin-top: 11px; color: var(--muted); font-size: .92rem; line-height: 1.75; }
.empty-message { grid-column: 1 / -1; text-align: center; }
.content-area--narrow { max-width: 820px; }
.entry__header { margin-bottom: 36px; }
.entry__header h1 { margin: 6px 0 0; font-family: var(--font-sans); font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.45; }
.entry__header time { color: var(--muted); }
.entry__thumbnail { margin-bottom: 42px; }
.entry__content { font-size: 1.02rem; }
.entry__content > * { max-width: 100%; }
.entry__content a { color: var(--accent); }
.entry-posts { margin-top: clamp(64px, 9vw, 96px); padding-top: clamp(48px, 7vw, 72px); border-top: 1px solid var(--line); }
.entry-posts + .entry-posts { margin-top: clamp(48px, 7vw, 72px); }
.entry-posts .section-title { margin-bottom: 34px; font-size: clamp(1.45rem, 2.5vw, 2rem); }
.entry-posts .post-grid { gap: 30px 20px; }
.entry-posts .post-card__title { font-size: 1rem; }
.nav-links { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; }
.comments-area { margin-top: 70px; border-top: 1px solid var(--line); padding-top: 32px; }
.comment-list { padding-left: 1.5rem; }
.site-footer { padding: 32px 20px; color: #e7ebe8; background: #24332d; text-align: center; }
.site-footer p { margin: 0; font-size: .78rem; letter-spacing: .08em; }
@media (max-width: 760px) {
  .site-header__inner { display: block; padding: 18px 0; }
  .site-nav { margin-top: 10px; }
  .site-nav__list { gap: 8px 18px; }
  .hero { min-height: 360px; }
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .post-section, .content-area { width: min(100% - 28px, 1180px); }
  .post-grid { grid-template-columns: 1fr; }
  .hero__title { font-size: clamp(2rem, 12vw, 3.5rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .hero__title { opacity: 1; transform: none; animation: none; }
  .post-card__image img { transition: none; }
}