/* =========================================================
   hair design LUMO — 美容室デモ（イケてるサロンサイト風・全面刷新）
   全画面MVスライダー / 透過ヘッダー / 縦書き差し色 / 縦型RESERVE
   ========================================================= */
:root{
  --bg:#F6F4F0; --surface:#FFFFFF; --ink:#1C1A18; --ink-soft:#7A746C;
  --accent:#9C8466; --accent-text:#766033; --line:#E4DED4; --soft:#EFEBE3; --dark:#161412;
  --maxw:1180px; --serif:"Noto Serif JP",serif; --disp:"Cormorant Garamond","Noto Serif JP",serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font-family:"Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:var(--bg);
  line-height:1.9;font-size:15px;-webkit-font-smoothing:antialiased;letter-spacing:.04em;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.55;letter-spacing:.06em;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.en{font-family:var(--disp);letter-spacing:.18em}
.nb{white-space:nowrap}
.vtext{writing-mode:vertical-rl;text-orientation:mixed}

/* ボタン */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:.82rem;letter-spacing:.18em;
  padding:16px 34px;border:1px solid currentColor;transition:.35s var(--ease);cursor:pointer;background:none;color:var(--ink);white-space:nowrap}
.btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-fill{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-fill:hover{background:transparent;color:var(--ink)}
.btn-light{color:#fff;border-color:rgba(255,255,255,.7)}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ========== ヘッダー（透過→スクロールでソリッド） ========== */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:60;color:#fff;transition:background .4s,color .4s,box-shadow .4s,padding .4s;padding:8px 0}
.site-header.solid{background:rgba(246,244,240,.96);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;flex-direction:column;line-height:1;color:inherit}
.brand b{font-family:var(--disp);font-size:1.6rem;letter-spacing:.34em;font-weight:600}
.brand small{font-size:.56rem;letter-spacing:.34em;margin-top:5px;opacity:.85}
.nav{display:flex;align-items:center;gap:34px}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:.78rem;letter-spacing:.16em;opacity:.92}
.nav-links a:hover{opacity:.6}
.header-cta .btn{padding:10px 20px;font-size:.74rem}
.hamburger{display:none;background:none;border:none;cursor:pointer;color:inherit;padding:0;font-size:0;width:48px;height:48px;align-items:center;justify-content:center}
.hamburger::before{content:"\2630";font-size:1.55rem;font-weight:300}
body.nav-open .hamburger::before{content:"\2715";font-size:1.4rem}
/* ドロワー（全画面オーバーレイ） */
.drawer{display:flex;flex-direction:column;justify-content:center;position:fixed;inset:0;background:var(--dark);color:#fff;
  z-index:55;opacity:0;pointer-events:none;transition:opacity .4s var(--ease);padding:80px 32px}
.drawer a{font-family:var(--disp);font-size:1.5rem;letter-spacing:.18em;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#fff;opacity:.9}
.drawer a small{font-family:"Noto Sans JP";font-size:.7rem;letter-spacing:.1em;margin-left:14px;opacity:.6}
.drawer a:hover{opacity:.55}
body.nav-open .drawer{opacity:1;pointer-events:auto}
body.nav-open{overflow:hidden}
@media(min-width:861px){.drawer{display:none}}

/* 右端 縦型RESERVE タブ */
.side-reserve{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:45;background:var(--ink);color:#fff;
  writing-mode:vertical-rl;letter-spacing:.3em;font-size:.8rem;padding:22px 13px;transition:.35s var(--ease)}
.side-reserve:hover{background:var(--accent)}
@media(max-width:860px){.side-reserve{display:none}}

/* ========== ヒーロー（全画面MVスライダー） ========== */
.hero{position:relative;height:100vh;min-height:600px;overflow:hidden;color:#fff}
.hero .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.06);
  transition:opacity 1.8s var(--ease),transform 7s linear}
.hero .slide.active{opacity:1;transform:scale(1)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,20,18,.45) 0%,rgba(22,20,18,.18) 35%,rgba(22,20,18,.5) 100%)}
.hero-inner{position:absolute;z-index:2;left:0;right:0;bottom:11%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.hero .en-sub{font-family:var(--disp);letter-spacing:.4em;font-size:1rem;opacity:.92;margin:0 0 18px}
.hero h1{font-size:3.1rem;font-weight:500;color:#fff;letter-spacing:.08em;line-height:1.5;text-shadow:0 2px 30px rgba(0,0,0,.3)}
.hero-cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero-vtext{position:absolute;z-index:2;right:30px;top:0;bottom:0;display:flex;align-items:center}
.hero-vtext span{font-family:var(--disp);letter-spacing:.45em;font-size:.8rem;opacity:.8}
.scroll-cue{position:absolute;z-index:2;left:50%;bottom:26px;transform:translateX(-50%);font-family:var(--disp);letter-spacing:.3em;font-size:.65rem;opacity:.85}
.scroll-cue::after{content:"";display:block;width:1px;height:46px;margin:10px auto 0;background:linear-gradient(#fff,transparent);animation:cue 2s var(--ease) infinite}
@keyframes cue{0%{transform:scaleY(0);transform-origin:top}40%{transform:scaleY(1);transform-origin:top}60%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ========== セクション共通（エディトリアル） ========== */
.section{padding:120px 0}
.section.dark{background:var(--dark);color:#efe9df}
.lead{display:flex;align-items:baseline;gap:20px;margin-bottom:54px}
.lead .num{font-family:var(--disp);font-size:1rem;letter-spacing:.2em;color:var(--accent)}
.lead .en-label{font-family:var(--disp);letter-spacing:.34em;font-size:.78rem;color:var(--accent);text-transform:uppercase}
.lead h2{font-size:1.9rem;font-weight:500}
.lead .line{flex:1;height:1px;background:var(--line)}
.center-head{text-align:center;margin-bottom:60px}
.center-head .en-label{display:block;font-family:var(--disp);letter-spacing:.4em;color:var(--accent);font-size:.8rem;text-transform:uppercase;margin-bottom:14px}
.center-head h2{font-size:1.9rem}
.center-head .ja{display:block;color:var(--ink-soft);font-size:.85rem;letter-spacing:.12em;margin-top:12px}

/* CONCEPT */
.concept{position:relative}
.concept-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:0;align-items:center}
.concept-photo{overflow:hidden;aspect-ratio:4/5}
.concept-photo img{width:100%;height:100%;object-fit:cover}
.concept-body{padding:0 0 0 64px}
.concept-body .en-label{font-family:var(--disp);letter-spacing:.34em;color:var(--accent);font-size:.78rem;text-transform:uppercase}
.concept-body h2{font-size:2rem;margin:16px 0 26px;line-height:1.7}
.concept-body p{color:var(--ink-soft);margin:0 0 18px;font-size:.95rem}

/* GALLERY（マガジン風） */
.gallery{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.gallery figure{margin:0;overflow:hidden;position:relative}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.gallery figure:hover img{transform:scale(1.05)}
.g1{grid-column:span 7;aspect-ratio:16/11}
.g2{grid-column:span 5;aspect-ratio:4/5}
.g3{grid-column:span 4;aspect-ratio:1/1}
.g4{grid-column:span 4;aspect-ratio:1/1}
.g5{grid-column:span 4;aspect-ratio:1/1}

/* MENU */
.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 72px;max-width:920px;margin:0 auto}
.menu-row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.menu-row .name{font-family:var(--serif)}
.menu-row .name small{display:block;font-family:"Noto Sans JP";font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em;margin-top:3px}
.menu-row .price{white-space:nowrap;font-family:var(--disp);font-size:1.15rem;letter-spacing:.04em}
.menu-note{text-align:center;color:var(--ink-soft);font-size:.82rem;margin-top:34px}

/* NEWS */
.news-list{max-width:820px;margin:0 auto}
.news-item-wrap{border-bottom:1px solid var(--line)}
.news-item{display:flex;gap:24px;align-items:baseline;padding:22px 4px;width:100%;text-align:left;
  background:none;border:none;cursor:pointer;font-family:inherit;color:inherit;transition:background .2s}
.news-item:hover{background:rgba(0,0,0,.02)}
.news-plus{margin-left:14px;color:var(--accent);font-size:1.15rem;transition:transform .25s var(--ease)}
.news-item[aria-expanded="true"] .news-plus{transform:rotate(45deg)}
.news-body{padding:0 4px 26px}
.news-body p{margin:0;color:var(--ink-soft);line-height:1.95;font-size:.95rem}
.news-date{font-family:var(--disp);letter-spacing:.1em;color:var(--accent-text);white-space:nowrap;font-size:1.05rem}
.news-tag{font-size:.66rem;letter-spacing:.12em;border:1px solid var(--line);color:var(--ink-soft);padding:4px 12px;white-space:nowrap}
.news-tag.info{border-color:#cfd8cf;color:#5f7a5f}
.news-title{flex:1;font-size:.95rem}
.news-empty{text-align:center;color:var(--ink-soft)}
.news-detail .meta{display:flex;gap:12px;align-items:center;margin-bottom:14px}
.news-detail h2{font-size:1.5rem;margin:0 0 16px}
.news-more{text-align:center;margin-top:44px}

/* RESERVE フォーム */
.rsv{max-width:640px;margin:0 auto}
.rsv .field{margin-bottom:22px}
.rsv label.q{display:block;font-size:.82rem;letter-spacing:.1em;margin-bottom:9px;color:var(--ink-soft)}
.rsv label.q .req{color:var(--accent-text);font-size:.7rem;margin-left:8px}
.rsv label.q .opt{color:var(--ink-soft);font-size:.7rem;margin-left:8px}
.rsv input,.rsv select,.rsv textarea{width:100%;padding:14px 4px;border:none;border-bottom:1px solid var(--line);
  font-size:1rem;font-family:inherit;background:transparent;color:var(--ink);border-radius:0}
.rsv input:focus,.rsv select:focus,.rsv textarea:focus{outline:none;border-bottom-color:var(--ink)}
.rsv textarea{min-height:90px;resize:vertical}
.rsv .row2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.rsv-subhead{font-family:var(--serif);font-size:.95rem;margin:34px 0 14px;padding-top:24px;border-top:1px solid var(--line);color:var(--ink)}
.rsv .submit-row{text-align:center;margin-top:40px}
.rsv-done{text-align:center;background:var(--soft);padding:54px 24px;scroll-margin-top:90px}
.rsv-done .ic{font-family:var(--disp);font-size:2.4rem;color:var(--accent)}
.rsv-done h3{margin:14px 0 10px;font-size:1.3rem}
.rsv-done p{color:var(--ink-soft);margin:0}

/* ACCESS */
.access-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.access-map{overflow:hidden;aspect-ratio:16/11;background:var(--soft)}
.access-map iframe{width:100%;height:100%;border:0;filter:grayscale(.25) contrast(1.05)}
.info-table{width:100%;border-collapse:collapse}
.info-table th,.info-table td{text-align:left;padding:16px 4px;border-bottom:1px solid var(--line);vertical-align:top;font-size:.92rem}
.info-table th{width:104px;color:var(--accent-text);font-family:var(--serif);font-weight:500;letter-spacing:.08em}
.tel-big{font-family:var(--disp);font-size:1.7rem;letter-spacing:.06em}

/* INSTAGRAM ストリップ */
.insta{padding:0}
.insta-head{text-align:center;padding:90px 0 40px}
.insta-head .en-label{font-family:var(--disp);letter-spacing:.4em;color:var(--accent);font-size:.8rem}
.insta-head a{display:block;font-family:var(--disp);font-size:1.3rem;letter-spacing:.1em;margin-top:8px}
.insta-grid{display:grid;grid-template-columns:repeat(6,1fr)}
.insta-grid figure{margin:0;aspect-ratio:1/1;overflow:hidden}
.insta-grid img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease),opacity .4s}
.insta-grid figure:hover img{transform:scale(1.08);opacity:.85}

/* フッター */
.footer{background:var(--dark);color:#b9b0a4;padding:80px 0 110px;text-align:center}
.footer .brand{align-items:center;color:#fff;margin-bottom:22px;display:inline-flex}
.footer .fnav{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin:14px 0 26px}
.footer .fnav a{font-family:var(--disp);letter-spacing:.16em;font-size:.78rem;color:#b9b0a4}
.footer .fnav a:hover{color:#fff}
.footer .disclaimer{font-size:.74rem;opacity:.5;margin-top:24px;line-height:1.8}

/* モバイル固定バー */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:46;background:var(--surface);box-shadow:0 -4px 20px rgba(28,26,24,.12);padding:10px 12px;gap:10px}
.mobile-bar .btn{flex:1;padding:14px 8px;font-size:.78rem}

/* スクロール演出 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ========== レスポンシブ ========== */
@media(max-width:860px){
  .section{padding:72px 0}
  .nav-links,.header-cta{display:none}
  .hamburger{display:flex}
  .hero h1{font-size:2rem}
  .hero-vtext{display:none}
  .concept-grid{grid-template-columns:1fr;gap:30px}
  .concept-body{padding:0}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px}
  .g1,.g2,.g3,.g4,.g5{grid-column:span 1;aspect-ratio:1/1}
  .g1{grid-column:span 2;aspect-ratio:16/10}
  .menu-grid{grid-template-columns:1fr;gap:0}
  .access-grid{grid-template-columns:1fr;gap:30px}
  .lead h2,.center-head h2,.concept-body h2{font-size:1.5rem}
  .insta-grid{grid-template-columns:repeat(3,1fr)}
  .mobile-bar{display:flex}
}
@media(max-width:430px){.hero h1{font-size:1.7rem}.rsv .row2{grid-template-columns:1fr;gap:0}}