/* 天命興亡記 公式サイトの共通の見た目 */
:root { --bg: #14110d; --bg2: #1d1913; --fg: #efe7d6; --sub: #b9ad97; --gold: #d6b25e; --gold2: #e8c877; --line: #3a3127; --red: #b5452f; }
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.85 "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif; }
a { color: var(--gold2); text-underline-offset: 3px; }
a:hover { color: #fff; }
img, video { max-width: 100%; height: auto; display: block; }
p, li, dd { word-break: normal; overflow-wrap: anywhere; line-break: strict; }

/* 上の帯とメニュー */
.site-head { position: sticky; top: 0; z-index: 10; background: rgba(20,17,13,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.site-head .in { max-width: 1080px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; }
.logo { color: var(--gold); text-decoration: none; font-size: 22px; letter-spacing: .12em; font-weight: 700; white-space: nowrap; }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; font-size: 15px; margin: 0; padding: 0; list-style: none; }
.nav a { color: var(--sub); text-decoration: none; padding: 4px 0; display: inline-block; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--gold2); }
.nav a[aria-current="page"] { border-bottom: 1px solid var(--gold); }

main { max-width: 1080px; margin: 0 auto; padding: 40px 16px 56px; }
.narrow { max-width: 860px; margin: 0 auto; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.3; color: var(--gold); letter-spacing: .06em; margin: 0 0 16px; }
h2 { font-size: clamp(22px, 4vw, 28px); line-height: 1.4; color: var(--gold); margin: 56px 0 16px; padding-bottom: 8px; border-bottom: 1px solid var(--line); letter-spacing: .04em; }
h3 { font-size: 19px; margin: 32px 0 8px; color: var(--fg); }
.lead { font-size: 18px; color: var(--fg); }
.sub { color: var(--sub); font-size: 15px; }
.note { color: var(--sub); font-size: 14px; }

/* トップの1画面目 */
.hero { position: relative; min-height: min(86vh, 760px); display: grid; align-items: end; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero video, .hero .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,17,13,.15) 0%, rgba(20,17,13,.25) 45%, rgba(20,17,13,.92) 100%); }
.hero .copy { position: relative; z-index: 1; max-width: 1080px; width: 100%; margin: 0 auto; padding: 0 16px 48px; }
.hero h1 { font-size: clamp(48px, 11vw, 96px); margin: 0; line-height: 1.1; letter-spacing: .08em; text-shadow: 0 2px 16px rgba(0,0,0,.6); }
.hero .tag { font-size: clamp(18px, 3.4vw, 26px); margin: 12px 0 4px; text-shadow: 0 2px 10px rgba(0,0,0,.8); }
.hero .tag2 { margin: 0 0 20px; color: var(--fg); text-shadow: 0 2px 10px rgba(0,0,0,.8); }

/* ボタン */
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 22px; border: 1px solid var(--gold); color: var(--gold2); text-decoration: none; border-radius: 4px; font-size: 16px; background: rgba(20,17,13,.6); }
.btn:hover { background: var(--gold); color: var(--bg); }
.btn.main { background: var(--gold); color: var(--bg); font-weight: 700; }
.btn.main:hover { background: var(--gold2); }
.btn.soon { border-style: dashed; cursor: default; }
.btn.soon:hover { background: rgba(20,17,13,.6); color: var(--gold2); }

/* 見どころ */
.features { display: grid; gap: 40px; margin-top: 8px; }
.feature { display: grid; grid-template-columns: 1.25fr 1fr; gap: 24px; align-items: center; }
.feature:nth-child(even) .pic { order: 2; }
.feature h3 { margin-top: 0; font-size: 22px; color: var(--gold2); }
.feature p { margin: 0; }
.pic img, .pic video, .shot img { border: 1px solid var(--line); border-radius: 6px; }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } .feature:nth-child(even) .pic { order: 0; } }

/* 表 */
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; padding: 20px; background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; }
dl.facts dt { color: var(--sub); }
dl.facts dd { margin: 0; min-width: 0; }
@media (max-width: 520px) { dl.facts { grid-template-columns: 1fr; gap: 0; } dl.facts dd + dt { margin-top: 12px; } }

/* 画面写真の並び */
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.shot { margin: 0; }
.shot figcaption { font-size: 14px; color: var(--sub); margin-top: 6px; }
.shot .dl { font-size: 13px; }

/* 文をコピーする箱 */
.copybox { background: var(--bg2); border: 1px solid var(--line); border-radius: 6px; padding: 16px 20px; margin: 8px 0 20px; }
.copybox p { margin: 0 0 .6em; }
.copybox p:last-child { margin-bottom: 0; }
.copybox .label { font-size: 13px; color: var(--sub); margin-bottom: 6px; }

/* 箇条書き */
ul.list { padding-left: 1.3em; }
ul.list li { margin: 6px 0; }
.ok, .ng { padding: 16px 20px; border-radius: 6px; border: 1px solid var(--line); background: var(--bg2); }
.ok h3, .ng h3 { margin-top: 0; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .cols2 { grid-template-columns: 1fr; } }

/* お知らせ */
.news { list-style: none; padding: 0; margin: 0; }
.news li { padding: 16px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 8.5em 1fr; gap: 4px 16px; }
.news time { color: var(--sub); font-size: 15px; }
.news h3 { margin: 0 0 4px; font-size: 18px; }
.news p { margin: 0; }
@media (max-width: 520px) { .news li { grid-template-columns: 1fr; } }

.embed { position: relative; aspect-ratio: 16 / 9; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #000; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 下の帯 */
.site-foot { border-top: 1px solid var(--line); }
.site-foot .in { max-width: 1080px; margin: 0 auto; padding: 28px 16px 40px; display: grid; gap: 12px; font-size: 14px; color: var(--sub); }
.site-foot ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.site-foot a { color: var(--sub); }
.site-foot a:hover { color: var(--gold2); }
.mail { white-space: nowrap; }