:root{
  --ink:#433d63; --sub:#6f6892; --line:rgba(255,255,255,.85);
  --card:rgba(255,255,255,.72);
  --sakura:#f0619e; --sakura-soft:#ffd9e8; --hikari:#4f8ee8; --hikari-soft:#d7e8ff;
  --grad:linear-gradient(100deg,#f0619e 0%,#9a6cf0 52%,#4f8ee8 100%);
  --shadow:0 10px 34px rgba(122,96,190,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  color:var(--ink);
  font-family:'Outfit','Noto Sans JP',system-ui,sans-serif;
  line-height:1.7; overflow-x:hidden;
  background:linear-gradient(118deg,#f8a9c6 0%,#e2b2ec 30%,#a8b8f8 66%,#7fb3f8 100%) fixed;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}

/* ===== 背景の空 ===== */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.sky .star{position:absolute;background:#fff;clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);animation:tw 3.6s ease-in-out infinite;opacity:.85}
@keyframes tw{0%,100%{opacity:.25;transform:scale(.75)}50%{opacity:.95;transform:scale(1.06)}}
.sky .dot{position:absolute;background:#fff;border-radius:50%;opacity:.5;animation:tw 4.5s ease-in-out infinite}
.sky::before,.sky::after{content:"";position:absolute;width:70vmax;height:34vmax;border-radius:50%;filter:blur(60px);background:rgba(255,255,255,.5)}
.sky::before{left:-24vmax;bottom:-22vmax}
.sky::after{right:-26vmax;bottom:-24vmax;background:rgba(255,255,255,.4)}
.sky .arc{position:absolute;border:2px solid rgba(255,255,255,.35);border-radius:50%;width:120vmax;height:120vmax;left:-40vmax;top:18vmax;border-top-color:transparent;border-left-color:transparent;transform:rotate(-8deg)}
main,header,footer{position:relative;z-index:1}

/* ===== ヘッダー ===== */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,255,255,.6);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:18px;padding:10px 22px;max-width:1080px;margin:0 auto}
.nav .wm{height:26px;width:auto}
.nav .links{display:flex;gap:16px;margin-left:auto;font-size:.87rem;color:var(--sub);font-weight:600}
.nav .links a:hover{color:var(--ink)}
.langsw{display:flex;gap:4px;margin-left:14px;background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:99px;padding:3px;box-shadow:var(--shadow)}
.langsw button{border:0;background:transparent;color:var(--sub);font:inherit;font-size:.8rem;padding:4px 12px;border-radius:99px;cursor:pointer;font-weight:600}
.langsw button.on{background:var(--grad);color:#fff}

/* ===== 共通パーツ ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:99px;font-weight:700;font-size:.95rem;border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);transition:.2s;color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--grad);color:#fff;border:0}
.chip{font-size:.76rem;font-weight:700;padding:4px 12px;border-radius:99px;white-space:nowrap}
.chip.s{background:var(--sakura-soft);color:#c23e78}
.chip.h{background:var(--hikari-soft);color:#2f6fc4}
.chip.l{background:rgba(255,255,255,.85);color:var(--sub);border:1px solid rgba(160,140,220,.25)}
section{padding:66px 0}
.sec-label{font-size:.78rem;letter-spacing:.3em;text-transform:uppercase;color:#fff;background:rgba(255,255,255,.25);display:inline-block;padding:4px 14px;border-radius:99px;border:1px solid rgba(255,255,255,.5);font-weight:700;text-shadow:0 1px 6px rgba(120,90,200,.4)}
h2{font-size:clamp(1.7rem,3.4vw,2.3rem);font-weight:900;margin:14px 0 8px;color:#fff;text-shadow:0 2px 14px rgba(120,90,200,.45)}
.lead{color:#fff;margin-bottom:26px;font-weight:600;text-shadow:0 1px 10px rgba(120,90,200,.45);max-width:46em}

/* ===== ヒーロー ===== */
.h1wrap{margin:0;line-height:0}
.hero{display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:center;padding:52px 0 24px}
.hero .wordmark{width:min(480px,94%);height:auto;filter:drop-shadow(0 6px 22px rgba(255,255,255,.65))}
.hero .tag{margin-top:20px;font-size:clamp(1rem,2vw,1.1rem);max-width:32em;font-weight:500}
.hero .tag b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .cta{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap}
.stats{display:flex;gap:26px;margin-top:26px;color:var(--sub);font-size:.85rem;font-weight:600}
.stats b{display:block;font-size:1.5rem;color:var(--ink);font-weight:800}
.nowplaying{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:16px;box-shadow:var(--shadow)}
.nowplaying .np-label{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--sakura);margin:2px 4px 10px}
.nowplaying .np-label i{width:8px;height:8px;border-radius:50%;background:var(--sakura);animation:tw 1.6s infinite;font-style:normal}
.nowplaying .np-title{margin:12px 4px 2px;font-weight:800;font-size:1.05rem}
.nowplaying .np-meta{display:flex;gap:8px;margin:8px 4px 2px;flex-wrap:wrap}
.embed{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 8px 26px rgba(120,90,200,.25);background:#000}
.embed iframe{display:block;width:100%;aspect-ratio:16/9;border:0}

/* ===== HERO6曲 ===== */
.herosix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.hcard{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.hcard:hover{transform:translateY(-4px)}
.hcard img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hcard .hc{padding:12px 14px 14px}
.hcard .hc b{display:block;font-size:.98rem;line-height:1.4}
.hcard .hc .chips{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}

/* ===== 全曲ビューア ===== */
.viewer{border:1px solid var(--line);background:var(--card);border-radius:26px;box-shadow:var(--shadow);max-width:880px;margin:0 auto;padding:22px 24px 16px}
.thumbwrap{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 8px 26px rgba(120,90,200,.25);display:block}
.thumbwrap img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:.25s}
.thumbwrap:hover img{transform:scale(1.02)}
.thumbwrap .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.thumbwrap .play span{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--sakura);box-shadow:0 6px 20px rgba(0,0,0,.2)}
.coming{position:absolute;top:12px;right:12px;background:var(--grad);color:#fff;font-weight:800;font-size:.8rem;padding:6px 14px;border-radius:99px;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.viewer .meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 2px 6px}
.viewer .num{font-weight:800;color:var(--sub);font-size:.95rem}
.viewer .title{font-weight:800;font-size:1.2rem;flex:1;min-width:12em}

/* ===== 吹き出し ===== */
.talk{display:grid;grid-template-columns:auto 1fr;gap:12px;margin-top:16px;align-items:end}
.talk.h{grid-template-columns:1fr auto}
.talk img{width:86px;height:auto}
.bubble{position:relative;background:#fff;border-radius:16px;padding:13px 16px;font-size:.93rem;box-shadow:var(--shadow)}
.talk.s .bubble{border:2px solid var(--sakura-soft);border-bottom-left-radius:4px}
.talk.h .bubble{border:2px solid var(--hikari-soft);border-bottom-right-radius:4px}
.talk .who{font-size:.72rem;font-weight:800;margin-bottom:2px}
.talk.s .who{color:var(--sakura)}
.talk.h .who{color:var(--hikari);text-align:right}
.readmore{display:block;text-align:center;margin:18px auto 4px;font-weight:800;color:var(--sakura);font-size:.95rem}
.readmore:hover{text-decoration:underline}

.pager{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:20px;flex-wrap:wrap}
.pager button,.pgbtn{border:1px solid var(--line);background:rgba(255,255,255,.85);border-radius:99px;padding:9px 20px;font:inherit;font-weight:800;color:var(--ink);cursor:pointer;box-shadow:var(--shadow);font-size:.88rem}
.pager button:hover,.pgbtn:hover{transform:translateY(-1px)}
.pager .count{font-weight:800;color:#fff;text-shadow:0 1px 8px rgba(120,90,200,.5)}
.pager select{border:1px solid var(--line);background:rgba(255,255,255,.85);border-radius:12px;padding:8px 10px;font:inherit;font-size:.85rem;color:var(--ink);max-width:260px}

/* ===== 曲の個別ページ ===== */
.back{display:inline-block;margin:26px 0 14px;color:#fff;font-weight:800;text-shadow:0 1px 8px rgba(120,90,200,.5)}
.songpage{background:var(--card);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:26px 26px 22px;max-width:880px;margin:0 auto}
.songhead{margin-bottom:18px}
.songhead .num{font-weight:800;color:var(--sub);font-size:.95rem}
.songhead h1{font-size:clamp(1.4rem,3.2vw,2rem);font-weight:900;line-height:1.25;margin:2px 0 10px}
.songhead .chips{display:flex;gap:8px;flex-wrap:wrap}
.talkbox{margin-top:22px}
.songcta{text-align:center;margin-top:24px}

/* ===== 物語 ===== */
.story{border:1px solid var(--line);background:var(--card);border-radius:24px;padding:40px;max-width:820px;margin:0 auto;box-shadow:var(--shadow)}
.story .emblem{width:84px;margin:0 auto 18px}
.story p{margin-bottom:1.05em}
.story .line{margin:24px 0;padding:20px 24px;border-radius:14px;background:rgba(255,255,255,.8);border-left:3px solid var(--hikari);font-size:1.1rem}
.story .line small{display:block;color:var(--sub);margin-top:6px;font-size:.82rem}
.story .fin{font-weight:800}

/* ===== プロフィール ===== */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.chara{border:1px solid var(--line);background:var(--card);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.chara .top{display:flex;align-items:flex-end;gap:14px;padding:22px 24px 0}
.chara .top img{width:140px;height:190px;object-fit:cover;object-position:top;border-radius:14px 14px 0 0}
.chara .name{padding-bottom:14px}
.chara .name h3{font-size:1.45rem;font-weight:800}
.chara.sakura .name h3{color:var(--sakura)}
.chara.hikari .name h3{color:var(--hikari)}
.chara .name .role{color:var(--sub);font-size:.84rem;font-weight:600}
.chara table{width:100%;border-collapse:collapse;font-size:.9rem}
.chara td{padding:9px 24px;border-top:1px solid rgba(160,140,220,.18);vertical-align:top}
.chara td:first-child{color:var(--sub);white-space:nowrap;width:7.5em;font-weight:600}
.chara .quote{margin:14px 24px 22px;padding:13px 16px;border-radius:12px;background:rgba(255,255,255,.75);font-size:.9rem}
.chara.sakura .quote{border-left:3px solid var(--sakura)}
.chara.hikari .quote{border-left:3px solid var(--hikari)}

/* ===== リンク ===== */
.linkgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.linkcard{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:22px;text-align:center;transition:.2s;box-shadow:var(--shadow)}
.linkcard:hover{transform:translateY(-3px)}
.linkcard .ico{font-size:1.6rem}
.linkcard b{display:block;margin-top:8px;font-size:.95rem}
.linkcard span{font-size:.76rem;color:var(--sub);font-weight:600}

footer{border-top:1px solid var(--line);background:rgba(255,255,255,.4);backdrop-filter:blur(8px);padding:34px 0 42px;color:var(--sub);font-size:.82rem;text-align:center;margin-top:40px}
footer .ai{margin-top:10px;opacity:.85}

@media(max-width:900px){
  .herosix{grid-template-columns:1fr 1fr}
}
@media(max-width:840px){
  .hero{grid-template-columns:1fr;padding-top:34px;text-align:center}
  .hero .wordmark{margin:0 auto}
  .hero .cta,.stats{justify-content:center}
  .nowplaying{order:-1}
  .duo{grid-template-columns:1fr}
  .linkgrid{grid-template-columns:1fr 1fr}
  .story,.songpage{padding:24px}
  .viewer{padding:16px 14px 12px}
  .talk img{width:64px}
  .nav .links{display:none}
}
@media(max-width:560px){ .herosix{grid-template-columns:1fr} }

/* 2026-09-02 ふたりについて＝バナー画像（マスター支給・名前入り） */
.chara .banner{display:block;width:100%;height:auto}
.chara .top{padding-top:14px}

/* ===== 2026-09-03 ディスコグラフィ（sakura.html / hikari.html） ===== */
.disco-switch{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 18px}
.disco-switch a{border-radius:99px;padding:8px 18px;font-weight:800;font-size:.9rem;border:1px solid var(--line);background:rgba(255,255,255,.75);color:var(--sub)}
.disco-switch a.on.s{background:var(--sakura);color:#fff;border-color:var(--sakura)}
.disco-switch a.on.h{background:var(--hikari);color:#fff;border-color:var(--hikari)}
.disco-banner{display:block;width:100%;height:auto;border-radius:20px;box-shadow:var(--shadow);margin:0 0 18px}
.lead .cnt{color:var(--sub);font-weight:700;margin-left:6px}
.jkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:18px;margin-top:22px}
.jk{display:block;color:var(--ink);text-decoration:none;transition:transform .18s}
.jk .art{border-radius:14px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#fff}
.jk .art img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .35s}
.jk:hover{transform:translateY(-3px)}
.jk:hover .art img{transform:scale(1.04)}
.jk .cap{padding:8px 4px 0;line-height:1.35}
.jk .cap .no{display:block;font-size:.72rem;font-weight:800;color:var(--sub)}
.jk .cap b{display:block;font-size:.9rem;font-weight:800}
.jk .cap .lang{display:block;font-size:.74rem;color:var(--sub);margin-top:2px}
body.sakura .jk:hover .art{border-color:var(--sakura)}
body.hikari .jk:hover .art{border-color:var(--hikari)}
@media(max-width:640px){.jkgrid{grid-template-columns:repeat(2,1fr);gap:12px}}

/* ===== 2026-09-03 ディスコグラフィ v2：1ページ・左Sakura2列＋右Hikari2列 ===== */
.disco-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:22px;align-items:start}
.disco-col .disco-banner{margin-bottom:10px}
.disco-cnt{font-weight:800;font-size:.9rem;color:var(--sub);margin:0 2px 12px}
.disco-col.sakura .disco-cnt{color:var(--sakura)}
.disco-col.hikari .disco-cnt{color:var(--hikari)}
.jkgrid.two{grid-template-columns:repeat(2,1fr);gap:14px;margin-top:0}
.disco-col.sakura .jk:hover .art{border-color:var(--sakura)}
.disco-col.hikari .jk:hover .art{border-color:var(--hikari)}
@media(max-width:760px){.disco-cols{grid-template-columns:1fr;gap:34px}}

/* ===== 2026-09-03 ディスコグラフィ v3：1つの4列グリッド（左2列Sakura／右2列Hikari）＋R版セクション ===== */
.disco-head{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.disco-head .disco-banner{margin:0}
.disco-head .disco-cnt{margin:8px 2px 0}
.jkgrid.four{grid-template-columns:repeat(4,1fr);gap:14px;margin-top:12px}
.jk .cap b{min-height:2.6em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.jk.empty{visibility:hidden}
.jk .cap .yt{display:inline-block;font-size:.68rem;font-weight:800;color:#fff;background:#e0245e;border-radius:6px;padding:1px 6px;margin-top:4px}
.disco-rev{margin-top:44px}
.disco-rev h3{font-size:1.15rem;font-weight:800;margin:0 0 4px}
.disco-rev .lead{margin-bottom:0}
@media(max-width:760px){.jkgrid.four{grid-template-columns:repeat(2,1fr)}}