/* = tale(JK, 3) 共通スタイル（/ と /rollvalue/ で共有） */

:root {
  --bg: #0b0d1c;
  --bg-2: #12152b;
  --surface: #171b36;
  --line: #2a2f55;
  --text: #ece8df;
  --muted: #a8a7bb;
  --gold: #d8bf8a;
  --gold-strong: #ecd6a4;
  --on-gold: #1a1408;
  --focus: #9fc4ff;
  --radius: 10px;
  --wrap: 1080px;
  --gutter: 16px;
  --font-sans: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  --font-serif: "Shippori Mincho", "Cormorant Garamond", "Yu Mincho", serif;
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

/* 固定ヘッダーの下に隠れないように、ページ内リンクの着地位置をずらす */
[id] { scroll-margin-top: 64px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--gold-strong); text-underline-offset: 3px; }
a:hover { color: #fff; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.4; margin: 0 0 .6em; }
h2 { font-size: clamp(1.4rem, 1.1rem + 1.2vw, 1.9rem); letter-spacing: .04em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---- 言語切り替え：html[data-lang] と一致しない言語を隠す ---- */
:root[data-lang="ja"] [lang="en"]:not(html),
:root[data-lang="en"] [lang="ja"]:not(html) { display: none !important; }

/* ---- 体験版の公開状態：window.SITE.demoLive で切り替え（JSなしでは公開前の表示） ---- */
:root:not([data-demo="live"]) .demo-live,
:root[data-demo="live"] .demo-soon { display: none !important; }
:root:not([data-demo="live"]) .btn-wishlist { background: var(--gold); color: var(--on-gold); }
:root:not([data-demo="live"]) .btn-wishlist:hover { background: var(--gold-strong); color: var(--on-gold); }

/* ---- ヘッダー ---- */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 28, .86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 52px; }
.brand { font-family: var(--font-serif); font-size: 1.05rem; color: var(--text); text-decoration: none; letter-spacing: .04em; white-space: nowrap; }
.brand:hover { color: var(--gold-strong); }
.header-nav { display: flex; align-items: center; gap: 4px 16px; flex-wrap: wrap; justify-content: flex-end; font-size: .9rem; }
.header-nav a { color: var(--muted); text-decoration: none; }
.header-nav a:hover { color: var(--text); }
@media (max-width: 480px) { .header-nav .nav-link { display: none; } }

.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang-switch button {
  appearance: none; border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: .8rem; padding: 2px 10px; cursor: pointer; line-height: 1.8;
}
.lang-switch button[aria-pressed="true"] { background: var(--gold); color: var(--on-gold); }

/* ---- ボタン ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 48px; padding: 10px 22px; border-radius: 999px;
  font-weight: 700; text-decoration: none; text-align: center; line-height: 1.4;
  border: 1px solid var(--gold); transition: background .15s, color .15s, transform .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--gold); color: var(--on-gold); }
.btn-primary:hover { background: var(--gold-strong); color: var(--on-gold); }
.btn-secondary { background: rgba(11, 13, 28, .55); color: var(--gold-strong); }
.btn-secondary:hover { background: var(--surface); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn-row .btn { flex: 1 1 220px; max-width: 300px; }

/* ---- セクション ---- */
.section { padding: 64px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-alt { background: var(--bg-2); }
.eyebrow { font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin-bottom: .4em; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px;
}

.footer { padding: 32px 0 48px; color: var(--muted); font-size: .85rem; border-top: 1px solid var(--line); }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
.footer a { color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 4px 20px; }

/* ---- トップ：作品カード ---- */
.brand-hero { padding: 72px 0 40px; text-align: center; }
.brand-hero h1 { font-size: clamp(2rem, 1.4rem + 3vw, 3.2rem); letter-spacing: .06em; margin-bottom: .2em; }
.brand-hero p { color: var(--muted); }

.works { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); gap: 20px; padding-bottom: 72px; }
.work-card {
  display: block; text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: border-color .15s, transform .15s;
}
.work-card:hover { border-color: var(--gold); transform: translateY(-2px); color: var(--text); }
.work-card img { width: 100%; aspect-ratio: 1232 / 706; object-fit: cover; }
.work-card .body { padding: 16px 20px 20px; }
.work-card h3 { font-size: 1.3rem; margin-bottom: .3em; }
/* ---- 小説の文字だけの表紙（トップのカードとRoll Valueのバナーで共用） ---- */
.novel-cover {
  aspect-ratio: 1232 / 706; display: grid; place-content: center; gap: 12px; padding: 20px;
  text-align: center; font-family: var(--font-serif);
  background:
    radial-gradient(ellipse at 50% 40%, rgba(216, 191, 138, .16), transparent 65%),
    linear-gradient(160deg, #1d2145, #0e1024);
  border-bottom: 1px solid var(--line);
}
.novel-cover-title { font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem); letter-spacing: .12em; color: var(--gold-strong); }
.novel-cover-copy { font-size: .9rem; line-height: 1.7; color: var(--text); opacity: .85; }
.novel-banner { display: grid; padding: 0; overflow: hidden; margin-top: 28px; text-decoration: none; color: var(--text); transition: border-color .15s; }
@media (min-width: 760px) { .novel-banner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); align-items: center; } .novel-banner .novel-cover { border-bottom: 0; border-right: 1px solid var(--line); } }
.novel-banner:hover { border-color: var(--gold); color: var(--text); }
.novel-banner .body { padding: 20px 24px; }
.novel-banner h3 { font-size: 1.3rem; margin-bottom: .3em; }
.novel-banner p { margin: 0 0 .6em; color: var(--muted); font-size: .95rem; }
.novel-banner .work-kind { font-size: .75rem; letter-spacing: .16em; color: var(--gold); margin: 0 0 2px; }
.novel-banner .more { color: var(--gold-strong); font-weight: 700; font-size: .95rem; }

.work-card .work-kind { font-size: .75rem; letter-spacing: .16em; color: var(--gold); margin: 0 0 2px; }
.work-card p { color: var(--muted); font-size: .92rem; margin: 0; }
.tag { display: inline-block; font-size: .75rem; padding: 0 10px; border-radius: 999px; border: 1px solid var(--gold); color: var(--gold-strong); margin-bottom: 8px; }

/* ---- ライトボックス（スクショの拡大表示。assets/site.js の initLightbox） ---- */
html.lightbox-open { overflow: hidden; }
.lightbox {
  width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none;
  margin: 0; padding: 56px 16px; border: 0;
  background: rgba(5, 6, 14, .94); color: var(--text);
}
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox::backdrop { background: transparent; }
.lightbox-img {
  max-width: min(100%, 1600px); max-height: 100%; width: auto; height: auto;
  object-fit: contain; border-radius: 6px; box-shadow: 0 8px 40px rgba(0, 0, 0, .6);
}
.lightbox-btn {
  position: absolute; display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(23, 27, 54, .85); color: var(--text);
  font-size: 30px; line-height: 1; cursor: pointer;
}
.lightbox-btn:hover { border-color: var(--gold); color: var(--gold-strong); }
.lightbox-close { top: 8px; right: 12px; }
.lightbox-prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 12px; top: 50%; transform: translateY(-50%); }
.lightbox-count { position: absolute; bottom: 12px; left: 0; right: 0; margin: 0; text-align: center; color: var(--muted); font-size: .9rem; }
/* スマホでは矢印を画像に重ねず下に置く（スワイプでも送れる） */
@media (max-width: 640px) {
  .lightbox { padding: 56px 8px 72px; }
  .lightbox-prev, .lightbox-next { top: auto; bottom: 8px; transform: none; }
  .lightbox-prev { left: 16px; }
  .lightbox-next { right: 16px; }
  .lightbox-count { bottom: 22px; }
}
.lightbox-single .lightbox-prev,
.lightbox-single .lightbox-next,
.lightbox-single .lightbox-count { display: none; }