/* ── Lapin 共通スタイル ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,400&family=Noto+Sans+JP:wght@300;400;500&family=Shippori+Mincho+B1:wght@400;500;600&display=swap');

:root{
  --ink:#16140f;
  --char:#211e19;
  --stone:#4a4437;
  --gold-text:#87682c;
  --concrete:#b9b5ac;
  --paper:#efece5;
  --paper-2:#f6f4ee;
  --paper-3:#e6e2da;
  --line:rgba(28,25,20,.14);
  --line-soft:rgba(28,25,20,.08);
  --gold:#9c7d44;
  --gold-2:#c2a366;
  --gold-soft:rgba(156,125,68,.28);
  --display:'Shippori Mincho B1','Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
  --en:'Cormorant Garamond','EB Garamond',serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);font-size:17.5px;font-weight:400;line-height:1.9;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.wrap{max-width:1200px;margin:0 auto;padding:0 44px;}
@media(max-width:760px){.wrap{padding:0 24px;}}

/* typography */
.eyebrow{font-family:var(--en);font-size:15px;letter-spacing:.42em;font-weight:500;color:var(--gold-text);text-transform:uppercase;display:inline-flex;align-items:center;gap:14px;}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold-soft);flex-shrink:0;}
.eyebrow.center{justify-content:center;}
.s-title{font-family:var(--display);font-weight:500;font-size:clamp(28px,4vw,44px);line-height:1.55;letter-spacing:.06em;color:var(--ink);}
.lead{color:var(--stone);font-weight:400;font-size:18px;line-height:2.0;}
.rule{width:52px;height:1px;background:var(--gold-soft);margin:24px 0;}
.rule.center{margin:24px auto;}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity 1s cubic-bezier(.2,.6,.2,1),transform 1s cubic-bezier(.2,.6,.2,1);}
.rv.in{opacity:1;transform:none;}
.rv.d1{transition-delay:.12s;}.rv.d2{transition-delay:.24s;}.rv.d3{transition-delay:.36s;}

/* ── NAV ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:90;padding:24px 0;transition:all .4s ease;}
.nav.scrolled{background:rgba(239,236,229,.94);backdrop-filter:blur(10px);padding:14px 0;box-shadow:0 1px 0 var(--line-soft);}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;flex-direction:column;line-height:1;color:#fff;transition:color .4s;}
.nav.scrolled .brand{color:var(--ink);}
.brand .mark{font-family:var(--en);font-size:19px;letter-spacing:.12em;font-weight:500;}
.brand .sub{font-family:var(--en);font-size:12px;letter-spacing:.34em;margin-top:8px;opacity:1;text-transform:uppercase;}
.menu{display:flex;align-items:center;gap:26px;}
.menu a{font-size:15px;font-weight:500;letter-spacing:.12em;color:#fff;opacity:1;text-shadow:0 1px 8px rgba(0,0,0,.35);transition:color .4s,opacity .25s;}
.nav.scrolled .menu a{text-shadow:none;}
.nav.scrolled .menu a{color:var(--ink);}
.menu a:hover{opacity:1;color:var(--gold-2);}
.nav.scrolled .menu a:hover{color:var(--gold);}
.menu a.active{color:var(--gold-2);opacity:1;}
.nav.scrolled .menu a.active{color:var(--gold);}
.menu .cta{border:1px solid rgba(255,255,255,.7);padding:11px 22px;letter-spacing:.12em;font-size:14px;font-weight:500;transition:all .3s;}
.nav.scrolled .menu .cta{border-color:var(--gold);color:var(--gold);}
.menu .cta:hover{background:var(--gold);border-color:var(--gold);color:#fff;opacity:1;}
.nav.scrolled .menu .cta:hover{background:var(--gold);color:#fff;}
.burger{display:none;color:#fff;font-size:24px;line-height:1;transition:color .4s;}
.nav.scrolled .burger{color:var(--ink);}
@media(max-width:900px){
  .burger{display:block;position:relative;z-index:120;}
  .nav-open .burger{color:#fff!important;}
  /* メニューを全画面ドロワー化。バーガーで開閉 */
  .menu{
    position:fixed;inset:0;z-index:110;
    display:flex!important;flex-direction:column;align-items:center;justify-content:center;gap:30px;
    background:rgba(20,18,14,.975);backdrop-filter:blur(6px);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .45s cubic-bezier(.22,.61,.36,1),opacity .3s ease;
  }
  .menu.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .menu a{color:#fff!important;opacity:1;font-size:17px;font-weight:500;letter-spacing:.22em;text-shadow:none;}
  .menu a.active{color:var(--gold-2)!important;}
  .menu .cta{border:1px solid rgba(255,255,255,.7);padding:14px 28px;margin-top:6px;font-size:14.5px;}
  body.nav-open{overflow:hidden;}
}

/* ── PAGE HERO (inner pages) ── */
.page-hero{padding:150px 0 80px;background:linear-gradient(180deg,#1a1814 0%,#26231e 100%);color:#f2efe8;text-align:center;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;opacity:.3;background:url('img/studio-bg.jpg') center/cover no-repeat;mix-blend-mode:luminosity;}
.page-hero .eyebrow{color:var(--gold-2);}
.page-hero h1{font-family:var(--display);font-weight:500;color:#fff;font-size:clamp(32px,5vw,56px);line-height:1.45;letter-spacing:.08em;margin:20px 0 0;}

/* ── FOOTER ── */
.footer{background:#100f0c;color:rgba(236,233,226,.9);padding:60px 0 40px;}
.footer .top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;border-bottom:1px solid rgba(236,233,226,.12);padding-bottom:32px;margin-bottom:28px;}
.footer .brand{color:#fff;}
.footer .brand .sub{color:rgba(255,255,255,.75);}
.footer .fmenu{display:flex;gap:28px;flex-wrap:wrap;}
.footer .fmenu a{font-size:15px;letter-spacing:.12em;color:rgba(236,233,226,.95);transition:color .25s;}
.footer .fmenu a:hover{color:var(--gold-2);}
.footer .bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--en);font-size:14px;letter-spacing:.18em;color:rgba(236,233,226,.9);}
@media(max-width:760px){.footer .top{flex-direction:column;gap:28px;}.footer .fmenu{gap:18px;}}

/* ── BUTTON ── */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:14.5px;font-weight:500;letter-spacing:.16em;padding:15px 28px;transition:all .3s;cursor:pointer;}
.btn .ar{font-family:var(--en);font-size:17px;line-height:1;}
.btn-gold{background:var(--gold);color:#fff;}
.btn-gold:hover{background:var(--gold-2);transform:translateY(-2px);}
.btn-outline{border:1px solid var(--gold);color:var(--gold);}
.btn-outline:hover{background:var(--gold);color:#fff;}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);}