/* 宵 YOI — 高級会員制ラウンジ LP / 明るい華やか × 濃いダークグレーのアクセント（純黒は使わない） */
:root{
  --black:#1F1E27; --ink:#28262F; --ink2:#33313C;
  --cream:#F7F1E6; --champ:#F0E7D2; --champ2:#EADFC2;
  --gold:#BE9A48; --gold-d:#977415; --champgold:#E3C98B; --wine:#6E1F33;
  --ivory:#F0E9DB; --espresso:#2C2418; --brown:#675B49; --muted:#B7B0A2;
  --line-d:rgba(190,154,72,.36); --line-l:rgba(151,116,21,.34);
  --serif:"Noto Serif JP",serif; --sans:"Noto Sans JP",sans-serif; --display:"Cormorant Garamond",serif;
  --maxw:1100px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:400;color:var(--espresso);background:var(--cream);line-height:1.9;font-size:15px;-webkit-font-smoothing:antialiased;letter-spacing:.03em}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px}
.section{padding:68px 0}

.sec-cream{background:var(--cream);color:var(--espresso)}
.sec-champ{background:linear-gradient(180deg,var(--champ),var(--champ2));color:var(--espresso)}
.sec-dark{background:var(--ink);color:var(--ivory)}
.sec-black{background:var(--black);color:var(--ivory)}

.eyebrow{font-family:var(--display);font-size:15px;letter-spacing:.4em;text-transform:uppercase;font-weight:600;display:block;margin-bottom:12px;color:var(--gold-d)}
.sec-dark .eyebrow,.sec-black .eyebrow,.recruit .eyebrow{color:var(--gold)}
.s-head{font-family:var(--serif);font-weight:600;font-size:26px;line-height:1.55;letter-spacing:.06em;color:var(--espresso)}
.sec-dark .s-head,.sec-black .s-head,.recruit .s-head{color:var(--ivory);font-weight:500}
.s-head .big{font-size:31px}
.rule{width:46px;height:1px;background:var(--gold);margin:18px 0 0}
.center{text-align:center}.center .rule{margin:18px auto 0}
.lead{font-size:14.5px;color:var(--brown);line-height:2}
.sec-dark .lead,.sec-black .lead,.recruit .lead{color:#D9D2C4}

/* header */
.site-head{position:absolute;top:0;left:0;width:100%;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:20px 26px}
.brand{font-family:var(--display);font-size:26px;letter-spacing:.2em;color:var(--ivory);font-weight:600;display:flex;align-items:baseline;gap:9px}
.brand .jp{font-family:var(--serif);font-size:21px;letter-spacing:.16em;color:var(--gold)}
.head-cta{font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.14em;color:var(--gold);border:1px solid var(--line-d);padding:9px 17px;transition:.25s}
.head-cta:hover{background:var(--gold);color:var(--black)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;font-family:var(--sans);font-weight:600;letter-spacing:.14em;font-size:14px;padding:16px 36px;transition:.28s;color:#2A2008;background:linear-gradient(120deg,var(--gold),var(--champgold));border:1px solid var(--gold)}
.btn:hover{filter:brightness(1.07)}
.btn .ar{font-family:var(--display);font-size:18px}
.btn--ghost{background:transparent;color:var(--gold-d);border:1px solid var(--gold)}
.sec-dark .btn--ghost,.sec-black .btn--ghost,.recruit .btn--ghost,.hero .btn--ghost{color:var(--gold)}
.btn--ghost:hover{background:var(--gold);color:#2A2008}

/* FV */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;background:var(--ink) url("fv-visual.png") no-repeat;background-size:cover;background-position:70% center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(31,30,39,.84) 0%,rgba(31,30,39,.45) 42%,rgba(31,30,39,0) 66%,rgba(31,30,39,.3) 100%)}
.hero__inner{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px 60px}
.hero__sup{font-family:var(--display);font-size:15px;letter-spacing:.46em;color:var(--champgold);font-weight:600;text-transform:uppercase;margin-bottom:16px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:44px;line-height:1.4;letter-spacing:.1em;color:#FBF6EA;text-shadow:0 2px 20px rgba(20,18,24,.7)}
.hero__sub{margin-top:18px;font-size:14.5px;color:#F0E9DB;max-width:32ch;line-height:2;text-shadow:0 1px 12px rgba(20,18,24,.8)}
.hero__cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:13px}

/* concept */
.concept{text-align:center}.concept .lead{max-width:40ch;margin:0 auto}

/* reasons */
.reasons{display:grid;gap:0;margin-top:30px}
.reason{display:flex;gap:18px;align-items:flex-start;padding:20px 4px;border-bottom:1px solid var(--line-l)}
.reason:first-child{border-top:1px solid var(--line-l)}
.reason .n{font-family:var(--display);font-size:28px;font-weight:600;color:var(--gold-d);line-height:1;flex:0 0 auto;min-width:44px}
.reason h4{font-family:var(--serif);font-weight:600;font-size:16px;letter-spacing:.04em;margin-bottom:4px}
.reason p{font-size:13.5px;color:var(--brown);line-height:1.8}

/* gallery */
.gallery{display:grid;gap:14px;margin-top:30px}
.g-item{position:relative;overflow:hidden}
.g-item img{width:100%;aspect-ratio:16/10;object-fit:cover}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;padding:18px 18px 14px;background:linear-gradient(0deg,rgba(20,18,24,.82),rgba(20,18,24,.12) 60%,transparent)}
.g-item .cap .jp{font-family:var(--serif);font-weight:500;font-size:17px;letter-spacing:.06em;color:#FBF6EA}
.g-item .cap p{font-size:12px;color:#E5DCC9;margin-top:3px;line-height:1.6}

/* menu */
.menu-hero{margin-top:28px}
.menu-hero img{width:100%;aspect-ratio:16/7;object-fit:cover}
.menu-cols{display:grid;gap:30px;margin-top:30px}
.menu-block .mh{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.06em;padding-bottom:9px;border-bottom:1px solid var(--line-l);margin-bottom:4px}
.menu-block .mh .lt{font-family:var(--display);font-size:13px;letter-spacing:.18em;color:var(--gold-d);display:block;text-transform:uppercase;margin-bottom:1px;font-weight:600}
.menu-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dotted var(--line-l)}
.menu-row .nm{font-size:14px}
.menu-row .pr{font-family:var(--display);font-size:15px;color:var(--gold-d);font-weight:600;white-space:nowrap}
.menu-note{margin-top:16px;font-size:11.5px;color:var(--brown)}

/* split */
.split{display:grid;gap:26px;margin-top:30px;align-items:center}
.split img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split .txt .lead{margin-top:10px}

/* system 料金 */
.sys{display:grid;gap:30px;margin-top:30px}
.sys-block .mh{font-family:var(--serif);font-weight:600;font-size:16px;letter-spacing:.05em;padding-bottom:9px;border-bottom:1px solid var(--line-l);margin-bottom:4px}
.sys-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dotted var(--line-l)}
.sys-row .nm{font-size:14px}.sys-row .nm small{display:block;color:var(--brown);font-size:11.5px;margin-top:1px}
.sys-row .pr{font-family:var(--display);font-size:16px;color:var(--gold-d);font-weight:600;white-space:nowrap}

/* voices */
.voices{display:grid;gap:18px;margin-top:30px}
.voice{padding:24px 22px;background:rgba(255,255,255,.5);border:1px solid var(--line-l);position:relative}
.voice::before{content:"\201C";position:absolute;top:6px;left:14px;font-family:var(--display);font-size:46px;color:var(--gold);opacity:.4;line-height:1}
.voice p{font-family:var(--serif);font-size:14.5px;line-height:1.95;color:var(--espresso);position:relative}
.voice .who{font-family:var(--display);font-size:13px;letter-spacing:.1em;color:var(--gold-d);margin-top:12px;font-weight:600;padding-top:10px;border-top:1px solid var(--line-l)}
.voice .who b{font-family:var(--sans);font-weight:600;font-size:12px;color:var(--espresso)}
.demo-note{font-size:11px;color:var(--brown);margin-top:18px;text-align:center}

/* steps */
.steps{display:grid;gap:0;margin-top:28px;counter-reset:s}
.step{display:flex;gap:16px;align-items:flex-start;padding:18px 2px;border-bottom:1px solid var(--line-l)}
.step:last-child{border-bottom:none}
.step .num{flex:0 0 auto;width:38px;height:38px;border-radius:50%;border:1px solid var(--gold);color:var(--gold-d);font-family:var(--display);font-size:17px;font-weight:600;display:flex;align-items:center;justify-content:center}
.step .lt{font-family:var(--display);font-size:11px;letter-spacing:.16em;color:var(--gold-d);text-transform:uppercase;display:block;margin-bottom:1px}
.step h4{font-family:var(--serif);font-size:15px;font-weight:600;margin-bottom:3px}
.step p{font-size:13px;color:var(--brown);line-height:1.8}

/* recruit (読める構成・ダークグレー＋画像分割) */
.recruit{background:var(--ink);color:var(--ivory)}
.recruit-grid{display:grid;gap:0}
.recruit .ph{min-height:260px;background-size:cover;background-position:center}
.recruit .tx{padding:62px 26px}
.recruit .tx .wrapx{max-width:520px;margin:0 auto}
.rec-list{display:grid;gap:9px;margin:22px 0 4px}
.rec-list li{list-style:none;display:flex;gap:11px;font-size:14px;color:#EFE7D8}
.rec-list li::before{content:"—";color:var(--gold)}

/* faq */
.faq{margin-top:26px;border-top:1px solid var(--line-l)}
.faq details{border-bottom:1px solid var(--line-l)}
.faq summary{list-style:none;cursor:pointer;padding:18px 38px 18px 4px;position:relative;font-family:var(--serif);font-weight:600;font-size:15px;letter-spacing:.03em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font-family:var(--display);color:var(--gold-d);font-weight:700;margin-right:11px}
.faq summary::after{content:"+";position:absolute;right:6px;top:16px;font-size:22px;color:var(--gold-d);font-weight:300}
.faq details[open] summary::after{content:"–"}
.faq .ans{padding:0 4px 18px 28px;font-size:13.5px;color:var(--brown);line-height:1.9}

/* access */
.access{margin-top:26px;border-top:1px solid var(--line-l)}
.access dl{display:grid;grid-template-columns:92px 1fr;gap:0}
.access dt{font-family:var(--display);font-size:13px;letter-spacing:.14em;color:var(--gold-d);padding:14px 0;border-bottom:1px solid var(--line-l);font-weight:600}
.access dd{font-size:14px;padding:14px 0;border-bottom:1px solid var(--line-l)}

/* closing */
.closing{position:relative;text-align:center;padding:86px 0;background:var(--black);color:var(--ivory)}
.closing h2{font-family:var(--serif);font-weight:500;font-size:30px;letter-spacing:.1em;line-height:1.55;color:#FBF6EA}
.closing p{margin-top:13px;color:var(--muted);font-size:14px}
.closing .btn{margin-top:28px}

/* footer */
.foot{background:#1A1922;color:var(--muted);padding:46px 0 110px;font-size:12px;line-height:2;border-top:1px solid var(--line-d)}
.foot .brand{font-size:22px;margin-bottom:13px}
.foot .disc{max-width:62ch;color:#8E887B}
.foot .cr{margin-top:15px;color:#6A655B;letter-spacing:.1em}

/* sticky */
.sticky{position:fixed;left:0;bottom:0;width:100%;z-index:40;background:rgba(26,25,34,.97);backdrop-filter:blur(6px);border-top:1px solid var(--line-d);padding:10px 16px;display:flex;gap:12px;align-items:center}
.sticky .lbl{font-family:var(--serif);font-size:13px;color:var(--ivory);letter-spacing:.1em;flex:0 0 auto}
.sticky .btn{flex:1;padding:13px 10px}

/* showcase band */
.showcase{position:relative;height:42vh;min-height:280px;overflow:hidden}
.showcase img{width:100%;height:100%;object-fit:cover}
.showcase .cap{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(0deg,rgba(31,30,39,.5),rgba(31,30,39,.08))}
.showcase .cap h3{font-family:var(--serif);font-weight:500;font-size:24px;letter-spacing:.16em;color:#FBF6EA;text-shadow:0 2px 16px rgba(20,18,24,.55)}

/* ===== PC ===== */
@media (min-width:768px){
  body{font-size:16px}
  .section{padding:92px 0}
  .eyebrow{font-size:16px}
  .s-head{font-size:32px}.s-head .big{font-size:42px}
  .hero{min-height:98vh;background-position:center}
  .hero::before{background:linear-gradient(90deg,rgba(31,30,39,.85) 0%,rgba(31,30,39,.4) 44%,rgba(31,30,39,0) 66%)}
  .hero__inner{display:flex;flex-direction:column;justify-content:center;min-height:98vh;padding-bottom:0}
  .hero__copy{max-width:56%}
  .hero h1{font-size:60px;line-height:1.42}
  .hero__sub{font-size:16px}
  .reasons{grid-template-columns:1fr 1fr;gap:0 46px}
  .gallery{grid-template-columns:repeat(3,1fr);gap:16px}
  .g-item img{aspect-ratio:3/4}
  .menu-cols{grid-template-columns:1fr 1fr;gap:54px}
  .split{grid-template-columns:1.05fr .95fr;gap:50px}
  .split.rev .txt{order:2}
  .sys{grid-template-columns:1fr 1fr;gap:54px}
  .voices{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:0 46px}
  .recruit-grid{grid-template-columns:1fr 1fr;align-items:stretch}
  .recruit .ph{min-height:100%}
  .recruit .tx{padding:84px 0}
  .recruit .tx .wrapx{padding:0 56px}
  .closing h2{font-size:40px}
  .access dl{grid-template-columns:140px 1fr}
  .sticky{display:none}
  .foot{padding-bottom:56px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}