/* NEKO KONEKO — CLUB RED: 赤みのある黒地に赤。ジャケット(NANNIMO-NAI)の夜のクラブ感をサイト全体に広げる。
   光の演出はジャケット・顔・見出しだけに絞る。ライトモードなし */
:root {
  --bg: #0a0607;
  --surface: #120a0c;
  --line: #2a1418;
  --fg: #f6eeee;
  --muted: #8d8086;
  --chrome: #c8c6cc;
  --accent: #ef1630;
  --glow: rgba(239, 22, 48, 0.4);
  --display: "Dela Gothic One", "Noto Sans JP", system-ui, sans-serif;
  --font: "Noto Sans JP", system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
img { display: block; max-width: 100%; height: auto; }

.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 16px; background: rgba(10, 6, 7, 0.88); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-size: 1.2rem; letter-spacing: 0.04em; }
.brand img { height: 36px; width: 36px; border-radius: 50%; border: 2px solid var(--accent); object-fit: cover; }
.nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 0.85rem; }
.nav a { text-decoration: none; color: var(--chrome); white-space: nowrap; display: inline-flex; align-items: center; }
.nav a:hover { color: var(--accent); }

.main { max-width: 1080px; margin: 0 auto; padding: 32px 16px 64px; }
.section-title { font-family: var(--display); font-weight: 400; font-size: 1.5rem; letter-spacing: 0.05em; text-transform: uppercase; margin: 48px 0 16px; }
.section-title::before { content: ""; display: inline-block; width: 10px; height: 10px; margin-right: 10px; vertical-align: middle; background: var(--accent); border-radius: 2px; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: 0.2em; font-size: 0.8rem; text-transform: uppercase; margin: 0; }
.muted, .small { color: var(--muted); }
.small { font-size: 0.85rem; }

/* 表示切替: data-release-date を持つ要素に is-released が付く */
[data-release-date].is-released .when-upcoming,
[data-release-date]:not(.is-released) .when-released { display: none; }

.hero { display: grid; gap: 24px; align-items: center; }
@media (min-width: 760px) { .hero { grid-template-columns: 1.05fr 1fr; gap: 40px; } }
.hero-art { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; box-shadow: 0 0 0 1px var(--line), 0 0 48px var(--glow); }
.title { font-family: var(--display); font-weight: 400; font-size: clamp(2.2rem, 6vw, 4.2rem); line-height: 1.05; margin: 8px 0; color: var(--accent); text-shadow: 0 0 18px var(--glow); text-wrap: balance; overflow-wrap: anywhere; }
.title-en { color: var(--chrome); margin: 0; }
.release-date { color: var(--chrome); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 18px; border: 1px solid var(--chrome); border-radius: 999px; text-decoration: none; font-size: 0.9rem; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.icon { flex: none; width: 1.1em; height: 1.1em; }
a:not(.btn) > .icon { display: inline-block; vertical-align: -0.18em; margin-right: 0.35em; }
.btn-primary { border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 700; }
.btn-primary:hover { background: transparent; color: var(--accent); }
.links { list-style: none; padding: 0; margin: 16px 0; display: flex; flex-wrap: wrap; gap: 10px; }
.badge { display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; color: #fff; background: var(--accent); padding: 2px 10px; border-radius: 999px; margin: 8px 0; }
.countdown { font-family: var(--display); font-size: 1.6rem; letter-spacing: 0.05em; color: var(--accent); margin: 4px 0; font-variant-numeric: tabular-nums; }

/* アーティスト紹介(顔) */
.artist { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 24px; align-items: center; margin: 48px 0 0; padding: 28px 0; border-top: 1px solid var(--line); }
.artist-face { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent); box-shadow: 0 0 32px var(--glow); }
.artist-name { font-family: var(--display); font-weight: 400; font-size: 1.8rem; margin: 0; letter-spacing: 0.03em; }
.artist-reading { color: var(--muted); margin: 0; }
.artist-profile { color: var(--chrome); margin: 8px 0 0; max-width: 60ch; }
@media (max-width: 480px) { .artist { grid-template-columns: 1fr; justify-items: start; } .artist-face { width: 112px; height: 112px; } }

.intro { margin: 0; padding: 18px 0; border-block: 1px solid var(--line); }
.ai-notice { color: var(--muted); font-size: 0.85rem; }
.intro .ai-notice { margin: 0; }
.intro-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 12px 0 0; }

.cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
@media (min-width: 760px) { .cards { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); } }
.card { display: grid; gap: 4px; align-content: start; position: relative; scroll-margin-top: 80px; }
.card img { aspect-ratio: 1; object-fit: cover; border-radius: 4px; border: 1px solid var(--line); margin-bottom: 6px; }
.card:target img { border-color: var(--accent); }
.card-title { font-family: var(--display); font-weight: 400; }
.card-title-en { font-size: 0.8rem; color: var(--muted); }
.card-meta { font-size: 0.8rem; color: var(--muted); }
.card .badge { position: absolute; top: 8px; left: 8px; margin: 0; }
.card .countdown { font-size: 1rem; }
.card .links { margin: 8px 0 0; gap: 6px; }
.card .btn { padding: 5px 10px; font-size: 0.78rem; }
.card p { margin: 6px 0 0; }

.news { list-style: none; padding: 0; margin: 0; }
.news li { display: grid; grid-template-columns: 7em 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.news time { color: var(--muted); font-variant-numeric: tabular-nums; }
.news p { margin: 4px 0 0; color: var(--muted); }
.back { color: var(--muted); }
.card-art { display: block; }
.card-art img { transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s; }
.card-art:hover img { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 0 24px var(--glow); }

.section { scroll-margin-top: 70px; }
.contact p { margin: 0 0 16px; }
.contact .btn { margin: 0 8px 8px 0; }
.not-found { text-align: center; padding: 48px 0; }
.not-found .title { font-size: 5rem; margin: 0; }

.site-footer { border-top: 1px solid var(--line); padding: 32px 16px; text-align: center; font-size: 0.85rem; color: var(--muted); }
.site-footer p { margin: 0 0 8px; }

@media (prefers-reduced-motion: reduce) { .card-art img { transition: none; } }
@media (max-width: 480px) {
  .nav { gap: 12px; font-size: 0.8rem; }
}
@media (max-width: 380px) {
  .site-header { gap: 8px; padding: 12px; }
  .brand { gap: 6px; }
  .nav { gap: 8px; font-size: 0.72rem; }
  .news li { grid-template-columns: 1fr; gap: 2px; }
}

/* 言語の切り替え(ヘッダー右端) */
.lang-menu { position: relative; font-size: 0.8rem; }
.lang-menu summary { display: inline-flex; align-items: center; gap: 6px; padding: 3px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--chrome); cursor: pointer; list-style: none; white-space: nowrap; user-select: none; }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary::after { content: ""; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; transition: transform 0.15s; }
.lang-menu[open] summary::after { transform: rotate(180deg); }
.lang-menu summary:hover, .lang-menu[open] summary { border-color: var(--accent); color: var(--accent); }
.lang-menu summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.lang-switch { position: absolute; right: 0; top: calc(100% + 6px); z-index: 20; display: grid; min-width: 9.5em; padding: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 28px rgba(0, 0, 0, 0.6), 0 0 18px var(--glow); }
.lang-switch a { padding: 6px 12px; border-radius: 6px; text-decoration: none; color: var(--chrome); white-space: nowrap; }
.lang-switch a:hover, .lang-switch a:focus-visible { background: var(--line); color: var(--fg); outline: none; }
.lang-switch a[aria-current="page"] { color: var(--accent); font-weight: 700; }
/* 中国語・韓国語のページは、その言語の字形のフォントを優先する(日本語用フォントだと字形が日本式になるため) */
html:lang(zh-Hans) body { font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", var(--font); }
html:lang(ko) body { font-family: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", var(--font); }
/* スマホ幅: ロゴを 1 行目、メニューと言語の切り替えを 2 行目以降に折り返す(横にはみ出さないように) */
@media (max-width: 640px) {
  .brand { flex: 1 1 100%; }
  .nav { flex: 1 1 auto; }
}