/* =========================================================
   Yumega Night — メンバー個別ページ
   FV／sticky分割レイアウト／ギャラリー(グリッド＋Lightbox)
   共通トークンは main.css の :root を使用
   ======================================================= */

/* ===== 共通パーツ ===== */
.m-sec-head{margin-bottom:44px}
.m-sec-head .en{display:block;font-family:var(--font-en);font-size:11px;letter-spacing:.4em;color:var(--cyan);margin-bottom:10px}
.m-sec-head .jp{font-family:var(--font-min);font-weight:600;font-size:clamp(24px,3.4vw,34px);letter-spacing:.14em}
.m-sec-head .bar{display:block;width:64px;height:2px;margin-top:16px;
  background:linear-gradient(90deg,var(--cyan),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform 1s cubic-bezier(.22,.8,.3,1) .2s}
.m-sec-head.on .bar{transform:scaleX(1)}

/* 立ち絵切替 丸アイコン */
.tachie-nav{display:flex;gap:12px;flex-wrap:wrap}
.tachie-nav button{position:relative;width:62px;height:62px;border-radius:50%;overflow:hidden;cursor:pointer;padding:0;
  border:1px solid rgba(255,255,255,.28);background:rgba(7,11,24,.5);
  transition:transform .35s cubic-bezier(.2,.8,.2,1),border-color .35s,box-shadow .35s}
.tachie-nav button img{width:100%;height:100%;object-fit:cover;object-position:50% 12%;
  opacity:.6;transition:opacity .35s}
.tachie-nav button:hover{transform:translateY(-4px)}
.tachie-nav button:hover img{opacity:.9}
.tachie-nav button.is-active{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(127,227,255,.18),0 8px 24px rgba(0,0,0,.4)}
.tachie-nav button.is-active img{opacity:1}
@media(max-width:600px){.tachie-nav button{width:52px;height:52px}}

/* 立ち絵のクロスフェード（A/B共通） */
.tachie-stack{position:relative}
.tachie-stack img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:bottom center;
  opacity:0;transform:scale(1.02);transition:opacity .8s ease,transform 1.2s cubic-bezier(.22,.8,.3,1)}
.tachie-stack img.is-active{opacity:1;transform:none}

/* =========================================================
   B案 — .m-b
   トップページの世界観（夕暮れ→夜／平行四辺形）を継承。
   左に立ち絵を固定（sticky）し、右のコンテンツが流れる分割レイアウト。
   ======================================================= */
.m-b .b-fv{position:relative;height:100svh;min-height:640px;overflow:hidden;
  background:linear-gradient(to bottom,#05070f 0%,#0a1128 38%,#1b2350 62%,#4a3a72 80%,#a05377 92%,#d97a56 100%)}
.m-b .b-fv-stars{position:absolute;inset:0;z-index:1}
.m-b .b-fv-stars i{position:absolute;width:2px;height:2px;border-radius:50%;background:#fff;animation:tw 3.4s ease-in-out infinite}

/* 画面いっぱいに広げず、中央に寄せた「一枚絵」として構成する。
   名前 → 立ち絵 を隣り合わせに置き、間延びを防ぐ。 */
.m-b .b-stage{position:relative;z-index:2;height:100%;max-width:1440px;margin:0 auto;padding:0 5vw;
  display:grid;grid-template-columns:1fr minmax(300px,600px);align-items:end}

/* 立ち絵：切り抜かず全身を収める（contain） */
.m-b .b-fv-figure{grid-column:2;position:relative;height:calc(100% - 6vh);align-self:end}
.m-b .b-fv-figure .tachie-stack{position:absolute;inset:0;z-index:2}
.m-b .b-fv-figure .tachie-stack img{object-fit:contain;object-position:center bottom;
  filter:drop-shadow(0 24px 70px rgba(0,0,0,.55))}
/* 月は立ち絵の背後（右上）に置き、キャラと重ねて奥行きを出す */
.m-b .b-moon{position:absolute;right:4%;top:5%;width:min(210px,24vw);aspect-ratio:1;border-radius:50%;z-index:1;
  background:radial-gradient(circle at 38% 32%,#fffbe9,var(--moon) 45%,#d8c48f 100%);
  box-shadow:0 0 80px 24px rgba(243,236,216,.28),0 0 200px 80px rgba(243,236,216,.1)}
/* 立ち絵の背後の光。名前と絵を1つの塊として繋ぐ */
.m-b .b-glow{position:absolute;left:50%;top:4%;transform:translateX(-50%);width:135%;aspect-ratio:1;z-index:0;
  background:radial-gradient(circle,rgba(127,190,255,.18),rgba(107,79,160,.09) 45%,transparent 66%)}

/* 名前ブロック：立ち絵のすぐ左に寄せ、わずかに重ねる */
.m-b .b-fv-inner{grid-column:1;justify-self:end;align-self:center;position:relative;z-index:3;
  display:flex;align-items:flex-start;gap:26px;margin-right:-26px;padding-bottom:5vh}
.m-b .b-name{order:3;writing-mode:vertical-rl;font-family:var(--font-min);font-weight:600;
  font-size:clamp(34px,4.8vw,64px);letter-spacing:.16em;line-height:1.25;
  text-shadow:0 6px 50px rgba(7,11,24,.95),0 2px 18px rgba(7,11,24,.85)}
.m-b .b-name .accent{background:linear-gradient(180deg,#e8edf8 18%,var(--cyan) 68%,var(--dusk-pink));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.m-b .b-meta{order:2;writing-mode:vertical-rl;display:flex;gap:16px;align-items:flex-start;padding-top:6px}
.m-b .b-reading{font-family:var(--font-min);font-size:12px;letter-spacing:.45em;color:var(--text-dim)}
.m-b .b-catch{font-family:var(--font-min);font-size:14px;letter-spacing:.24em;color:var(--text);opacity:.92}
.m-b .b-hiatus{font-size:10px;letter-spacing:.24em;color:var(--text-dim);padding:10px 3px;
  border:1px solid rgba(255,255,255,.28);border-radius:3px;height:max-content}
/* 立ち絵切替アイコンは名前の左に縦並び（左右に散らさない） */
.m-b .b-fv-inner .tachie-nav{order:1;flex-direction:column;padding-top:8px}

@media(max-width:900px){
  .m-b .b-stage{grid-template-columns:1fr;padding:0 6vw}
  .m-b .b-fv-figure{grid-column:1;grid-row:1;position:absolute;left:6%;right:-8%;top:8vh;bottom:0;height:auto;opacity:.92}
  .m-b .b-moon{right:12%;top:3%;width:34vw}
  .m-b .b-fv-inner{grid-column:1;grid-row:1;justify-self:start;align-self:center;margin-right:0;gap:18px}
  .m-b .b-name{font-size:clamp(30px,9vw,48px)}
  .m-b .b-fv-inner .tachie-nav{position:absolute;left:0;bottom:-14vh;flex-direction:row}
}

/* --- B案 本体: sticky分割レイアウト --- */
.m-b .b-body{position:relative;max-width:1240px;margin:0 auto;padding:0 5vw;
  display:grid;grid-template-columns:minmax(280px,38%) 1fr;gap:60px;align-items:start}
@media(max-width:960px){.m-b .b-body{grid-template-columns:1fr;gap:0}}
.m-b .b-side{position:sticky;top:12vh;height:76vh;display:flex;flex-direction:column;justify-content:flex-end;gap:22px}
@media(max-width:960px){.m-b .b-side{display:none}}
.m-b .b-side-figure{position:relative;flex:1;min-height:0;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(16,26,56,.7),rgba(107,79,160,.2))}
.m-b .b-side-figure .tachie-stack{position:absolute;inset:0;padding:14px}
.m-b .b-side-figure .tachie-stack img{object-fit:contain;object-position:center bottom}
.m-b .b-main{padding:110px 0 140px;min-width:0}
.m-b .b-block{padding:0 0 100px}
.m-b .b-last{padding-bottom:0}
.m-b .b-mt{margin-top:34px}
.m-b .b-label{font-family:var(--font-en);font-size:10px;letter-spacing:.35em;margin-bottom:16px}
.m-b .b-label.cyan{color:var(--cyan)}
.m-b .b-label.pink{color:var(--dusk-pink)}
/* 平行四辺形カード */
.m-b .b-panel{position:relative;padding:32px 34px;background:rgba(16,26,56,.55);backdrop-filter:blur(3px);
  border:1px solid var(--line);border-radius:10px;border-left:2px solid rgba(127,227,255,.5)}
.m-b .b-intro p{color:var(--text-dim);font-size:15px;margin-bottom:1.5em}
.m-b .b-dl{margin-top:34px;display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:600px){.m-b .b-dl{grid-template-columns:1fr}}
.m-b .b-dl div{background:rgba(10,15,32,.9);padding:16px 20px}
.m-b .b-dl .k{font-family:var(--font-en);font-size:9.5px;letter-spacing:.3em;color:var(--text-dim);margin-bottom:5px}
.m-b .b-dl .v{font-size:15px;font-weight:700}
.m-b .b-quote{display:grid;grid-template-columns:auto 1fr;gap:10px 20px;align-items:baseline;margin-top:8px}
.m-b .b-quote dt{font-size:12px;color:var(--text-dim);letter-spacing:.1em}
.m-b .b-quote dd{font-family:var(--font-min);font-size:15px}
.m-b .b-fav{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.m-b .b-fav li{font-size:13px;padding:7px 16px;border-radius:999px;
  border:1px solid rgba(224,103,154,.4);background:rgba(224,103,154,.08);color:#f4c8db}
/* 実績: 左に日付、右にタイトル */
.m-b .b-hist{list-style:none}
.m-b .b-hist li{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:baseline;
  padding:18px 0;border-bottom:1px dashed rgba(127,190,255,.16)}
@media(max-width:600px){.m-b .b-hist li{grid-template-columns:1fr;gap:4px}}
.m-b .b-hist .date{font-family:var(--font-en);font-size:12px;letter-spacing:.1em;color:var(--cyan)}
.m-b .b-hist .row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.m-b .b-hist .ttl{font-size:15px;font-weight:700}
.m-b .b-hist .badge{font-family:var(--font-en);font-size:10px;letter-spacing:.14em;padding:3px 10px;border-radius:999px;
  background:rgba(77,168,255,.16);border:1px solid rgba(77,168,255,.45);color:#a8d6ff}
.m-b .b-hist li.is-gold .badge{background:rgba(242,176,78,.18);border-color:rgba(242,176,78,.55);color:#f6cd86}
/* ギャラリー（A案のグリッド） */
.m-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:600px){.m-grid{grid-template-columns:repeat(2,1fr);gap:10px}}
.m-grid button{position:relative;padding:0;border:1px solid rgba(255,255,255,.1);border-radius:10px;overflow:hidden;
  cursor:pointer;background:rgba(16,26,56,.5);aspect-ratio:4/3;display:block;
  transition:transform .45s cubic-bezier(.2,.8,.2,1),border-color .45s,box-shadow .45s}
.m-grid button img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.2,.8,.2,1)}
.m-grid button:hover{transform:translateY(-6px);border-color:rgba(127,227,255,.5);box-shadow:0 18px 44px rgba(0,0,0,.5)}
.m-grid button:hover img{transform:scale(1.06)}
.m-grid button::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,11,24,.5),transparent 55%);
  opacity:0;transition:opacity .4s}
.m-grid button:hover::after{opacity:1}

/* SNS */
.m-b .b-sns{display:flex;gap:14px;flex-wrap:wrap}
.m-b .b-sns a{display:inline-flex;align-items:center;gap:12px;padding:14px 28px;
  border:1px solid rgba(255,255,255,.22);background:rgba(7,11,24,.5);
  clip-path:polygon(8px 0,100% 0,calc(100% - 8px) 100%,0 100%);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  transition:transform .35s,background .35s,color .35s,border-color .35s}
.m-b .b-sns a svg{width:18px;height:18px}
.m-b .b-sns a:hover{transform:translateY(-3px);color:var(--night);border-color:transparent;
  background:linear-gradient(90deg,var(--cyan),var(--blue))}

/* =========================================================
   Lightbox（A案・B案 共通）
   ======================================================= */
.lb{position:fixed;inset:0;z-index:200;display:none;background:rgba(4,6,14,.94);backdrop-filter:blur(8px)}
.lb.is-open{display:block;animation:lbIn .35s ease}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-stage{position:absolute;inset:0;display:grid;place-items:center;padding:70px 90px 90px}
@media(max-width:820px){.lb-stage{padding:70px 16px 100px}}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;
  box-shadow:0 30px 90px rgba(0,0,0,.7);animation:lbImg .5s cubic-bezier(.2,.8,.2,1)}
@keyframes lbImg{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}
.lb-close{position:absolute;top:18px;right:20px;z-index:3;width:44px;height:44px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,255,255,.28);background:rgba(7,11,24,.6);color:var(--text);font-size:20px;line-height:1;
  transition:transform .3s,background .3s}
.lb-close:hover{transform:rotate(90deg);background:rgba(224,103,154,.5)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:56px;height:56px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(255,255,255,.28);background:rgba(7,11,24,.55);color:var(--text);
  display:grid;place-items:center;transition:transform .3s,background .3s,border-color .3s}
.lb-nav svg{width:20px;height:20px;fill:currentColor}
.lb-nav:hover{background:linear-gradient(90deg,var(--blue),var(--cyan));color:var(--night);border-color:transparent}
.lb-prev{left:20px}.lb-next{right:20px}
.lb-prev:hover{transform:translateY(-50%) translateX(-4px)}
.lb-next:hover{transform:translateY(-50%) translateX(4px)}
@media(max-width:820px){.lb-nav{width:44px;height:44px;top:auto;bottom:26px;transform:none}
  .lb-prev{left:calc(50% - 60px)}.lb-next{right:calc(50% - 60px)}
  .lb-prev:hover,.lb-next:hover{transform:none}}
.lb-cap{position:absolute;left:0;right:0;bottom:26px;text-align:center;z-index:2;
  font-size:12px;letter-spacing:.1em;color:var(--text-dim);padding:0 90px}
@media(max-width:820px){.lb-cap{bottom:80px;padding:0 16px}}
.lb-count{position:absolute;top:24px;left:24px;z-index:3;font-family:var(--font-en);font-size:12px;letter-spacing:.2em;color:var(--text-dim)}
/* サムネイル帯 */
.lb-thumbs{position:absolute;left:0;right:0;bottom:0;z-index:3;display:flex;gap:8px;justify-content:center;
  padding:14px;overflow-x:auto;scrollbar-width:none}
.lb-thumbs::-webkit-scrollbar{display:none}
@media(max-width:820px){.lb-thumbs{display:none}}
.lb-thumbs button{width:52px;height:52px;flex-shrink:0;padding:0;cursor:pointer;border-radius:4px;overflow:hidden;
  border:1px solid rgba(255,255,255,.2);background:none;opacity:.45;transition:opacity .3s,border-color .3s}
.lb-thumbs button img{width:100%;height:100%;object-fit:cover}
.lb-thumbs button:hover{opacity:.8}
.lb-thumbs button.is-active{opacity:1;border-color:var(--cyan)}