/* =========================================================
   CHUM APARTMENT — News site stylesheet
   Shares the editorial direction of the menu site:
   warm paper, 明朝 + 細身ゴシック + Cormorant Garamond flourishes.
   Palette per brand spec (clearer, slightly deeper tones).
   ========================================================= */

:root {
  /* paper-warm base */
  --bg:           #F5F0E8;   /* クリーム */
  --bg-soft:      #efe8da;
  --paper:        #fbf8f2;
  --ink:          #2C1F1A;   /* ブラウン */
  --muted:        #6f6359;
  --line:         #ddd3c2;
  --line-soft:    #e8e0d1;

  /* accents */
  --crimson:      #8B2D2D;   /* 深紅 */
  --crimson-dark: #6f2222;
  --gold:         #B8923D;   /* 金茶 */
  --gold-light:   #cca85a;

  --font-serif-jp: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-serif-en: "Cormorant Garamond", "Noto Serif JP", serif;
  --font-sans:     "Noto Sans JP", -apple-system, BlinkMacSystemFont,
                   "Helvetica Neue", "Hiragino Sans", "Yu Gothic", sans-serif;

  --radius:      2px;
  --shadow-soft: 0 1px 3px rgba(44,31,26,0.05), 0 6px 18px rgba(44,31,26,0.06);
  --max-w:       880px;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.85;
  font-size: 15px;
  font-feature-settings: "palt";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--crimson); }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ----------- Header ----------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,240,232,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand .brand-en {
  font-family: var(--font-serif-en);
  font-size: 18px;
  letter-spacing: 0.22em;
  font-weight: 500;
}
.brand .brand-jp {
  font-family: var(--font-serif-jp);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-top: 2px;
}
.home-link-top {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}
.home-link-top:hover { color: var(--crimson); border-bottom-color: var(--crimson); }

/* ----------- Hero ----------- */
.hero {
  padding: 72px 24px 48px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-bottom: 1px solid var(--line-soft);
}
.hero-eyebrow {
  font-family: var(--font-serif-en);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.hero .display-jp {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(26px, 5vw, 38px);
  letter-spacing: 0.3em;
  color: var(--ink);
}
.hero-ornament {
  width: 64px; height: 1px;
  background: var(--gold);
  margin: 22px auto;
  position: relative;
}
.hero-ornament::before, .hero-ornament::after {
  content: ""; position: absolute; top: 50%; transform: translateY(-50%);
  width: 5px; height: 5px;
  background: var(--gold);
  border-radius: 50%;
}
.hero-ornament::before { left: -12px; }
.hero-ornament::after  { right: -12px; }
.hero-lede {
  max-width: 520px; margin: 0 auto;
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
}

/* ----------- Category tabs ----------- */
.cat-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 8px;
  padding: 22px 16px 0;
  position: sticky;
  top: 57px;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line-soft);
}
.cat-tabs .tab {
  font-family: var(--font-serif-jp);
  font-size: 13px;
  letter-spacing: 0.16em;
  padding: 12px 18px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  min-height: 44px;
}
.cat-tabs .tab:hover { color: var(--ink); }
.cat-tabs .tab.is-active {
  color: var(--ink);
  border-bottom-color: var(--crimson);
  font-weight: 500;
}

/* ----------- Main ----------- */
main.container { padding-top: 40px; padding-bottom: 80px; min-height: 50vh; }

.loading, .empty-state {
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 56px 0;
  letter-spacing: 0.1em;
}

/* ----------- Category tag (pill) ----------- */
.cat-tag {
  display: inline-block;
  font-family: var(--font-serif-jp);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  white-space: nowrap;
}
.cat-tag.is-media { color: var(--crimson); border-color: rgba(139,45,45,0.35); background: rgba(139,45,45,0.05); }
.cat-tag.is-press { color: var(--gold);    border-color: rgba(184,146,61,0.4);  background: rgba(184,146,61,0.07); }
.cat-tag.is-news  { color: var(--ink);     border-color: var(--line);           background: rgba(44,31,26,0.03); }

/* ----------- News list ----------- */
.news-list { list-style: none; }
.news-row { border-top: 1px solid var(--line-soft); }
.news-row:last-child { border-bottom: 1px solid var(--line-soft); }

.news-row-link {
  display: grid;
  grid-template-columns: 168px 1fr auto;
  align-items: start;
  gap: 8px 24px;
  padding: 26px 8px;
  transition: background 0.18s ease;
}
.news-row-link:hover { background: rgba(184,146,61,0.06); color: inherit; }

.news-row-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.news-date {
  font-family: var(--font-serif-en);
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.news-row-body { min-width: 0; }
.news-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--ink);
}
.news-summary {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}
.news-row-arrow {
  align-self: center;
  color: var(--gold);
  font-size: 16px;
  transition: transform 0.2s ease;
}
.news-row-link:hover .news-row-arrow { transform: translateX(4px); }

/* ----------- Detail ----------- */
.news-detail { max-width: 720px; margin: 0 auto; }

.back-link {
  display: inline-block;
  font-family: var(--font-serif-jp);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.back-link:hover { color: var(--crimson); }
.back-link-bottom { margin-top: 48px; }

.detail-head { margin: 24px 0 8px; }
.detail-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.detail-title {
  font-family: var(--font-serif-jp);
  font-weight: 600;
  font-size: clamp(21px, 3.6vw, 28px);
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.detail-images {
  margin: 32px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.detail-figure {
  border: 1px solid var(--line-soft);
  background: var(--paper);
  padding: 10px;
  box-shadow: var(--shadow-soft);
}

.detail-body {
  font-size: 15px;
  line-height: 2.05;
  color: var(--ink);
}
.detail-body p + p { margin-top: 1.4em; }

/* ----------- Detail action buttons ----------- */
.detail-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.detail-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif-jp);
  font-size: 14px;
  letter-spacing: 0.08em;
  padding: 14px 24px;
  border-radius: var(--radius);
  min-height: 48px;
  transition: filter 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn-link {
  background: var(--crimson);
  color: #fff;
}
.btn-link:hover { color: #fff; filter: brightness(1.1); }
.btn-pdf {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--gold);
}
.btn-pdf:hover { background: rgba(184,146,61,0.1); color: var(--ink); }

/* ----------- Footer ----------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.66);
  padding: 48px 24px 36px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.1em;
}
.site-footer .inner { max-width: var(--max-w); margin: 0 auto; }
.site-footer .brand-en {
  font-family: var(--font-serif-en);
  font-style: italic;
  letter-spacing: 0.22em;
  color: #fff;
  font-size: 16px;
  display: block;
  margin-bottom: 6px;
}
.site-footer .brand-jp {
  font-family: var(--font-serif-jp);
  font-size: 11px;
  letter-spacing: 0.3em;
  margin-bottom: 18px;
}
.site-footer a { color: rgba(255,255,255,0.85); }
.site-footer a:hover { color: #fff; }
.site-footer .home-link {
  display: inline-block;
  margin: 8px 0 18px;
  font-family: var(--font-serif-en);
  font-style: italic;
  letter-spacing: 0.22em;
  font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.4);
  padding-bottom: 2px;
}
.site-footer .copy {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.4);
}

/* ----------- Responsive (mobile-first refinements) ----------- */
@media (max-width: 768px) {
  .site-header .inner { padding: 12px 16px; }
  .brand .brand-en { font-size: 15px; }
  .home-link-top { font-size: 11px; }
  .hero { padding: 52px 20px 40px; }
  .cat-tabs { top: 53px; padding: 16px 10px 0; gap: 2px 4px; }
  .cat-tabs .tab { padding: 11px 12px; font-size: 12px; letter-spacing: 0.08em; }

  main.container { padding-left: 18px; padding-right: 18px; padding-top: 28px; }

  .news-row-link {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 22px 4px;
  }
  .news-row-meta {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .news-date { font-size: 14px; }
  .news-title { font-size: 16px; }
  .news-row-arrow { display: none; }

  .detail-actions { flex-direction: column; }
  .detail-btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}