/* =========================================================
   湯宿 風韻 -FUIN-  — 制作サンプル
   型: 星のや級ラグジュアリー旅館（静寂・余白・大判写真・明朝・縦組みアクセント）
   配色: 墨 × 和紙 × 金 × 深緑
   ========================================================= */

:root{
  --sumi:#1b1916;
  --sumi-2:#26221c;
  --washi:#f4efe5;
  --washi-2:#ece4d6;
  --ink:#2a2620;
  --muted:#8c8270;
  --gold:#b29152;
  --gold-lt:#c9ac74;
  --green:#3c4a3e;
  --line:#ddd2bf;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Serif JP","Hiragino Mincho ProN",serif;
  color:var(--ink);background:var(--washi);
  line-height:2;font-weight:400;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.mincho,h1,h2,h3{font-family:"Shippori Mincho","Noto Serif JP",serif;font-weight:500}
.wrap{width:min(1080px,88vw);margin-inline:auto}
.tate{writing-mode:vertical-rl;text-orientation:mixed}

/* nav (top offset clears the sample frame bar) */
.nav{position:fixed;top:42px;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  padding:22px 5vw;transition:.4s;color:#fff}
@media(max-width:600px){.nav{top:34px}}
.nav.solid{background:rgba(27,25,22,.9);backdrop-filter:blur(10px)}
.nav .logo{font-family:"Shippori Mincho",serif;font-size:1.3rem;letter-spacing:.3em;font-weight:600}
.nav-links{display:flex;gap:2em;font-size:.85rem;letter-spacing:.18em}
.nav-links a{opacity:.85}.nav-links a:hover{opacity:1;color:var(--gold-lt)}
.nav .resv{border:1px solid rgba(255,255,255,.5);padding:.5em 1.4em;border-radius:1px;font-size:.8rem;letter-spacing:.2em}
.nav .resv:hover{background:var(--gold);border-color:var(--gold)}
@media(max-width:820px){.nav-links{display:none}}

/* hero */
.hero{height:100vh;min-height:600px;position:relative;display:flex;align-items:center;justify-content:center;
  background:#000 center/cover no-repeat;color:#fff;text-align:center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,.15) 40%,rgba(0,0,0,.55))}
.hero-inner{position:relative;z-index:2;animation:fade 2s ease both}
@keyframes fade{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero .ey{font-size:.8rem;letter-spacing:.5em;color:var(--gold-lt);margin-bottom:1.4em}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);letter-spacing:.18em;line-height:1.5;font-weight:500;text-shadow:0 2px 30px rgba(0,0,0,.4)}
.hero .sub{margin-top:1.2em;font-size:clamp(.95rem,1.6vw,1.15rem);letter-spacing:.22em;color:#efe9dd}
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;color:#fff;font-size:.7rem;letter-spacing:.3em;writing-mode:vertical-rl;opacity:.8}
.scroll-cue::after{content:"";display:block;width:1px;height:46px;background:rgba(255,255,255,.6);margin:14px auto 0}

/* intro */
.intro{padding:140px 0;text-align:center;background:var(--washi)}
.intro .ey{font-size:.75rem;letter-spacing:.45em;color:var(--gold);margin-bottom:2em}
.intro h2{font-size:clamp(1.5rem,3.2vw,2.4rem);letter-spacing:.14em;line-height:2.2;font-weight:500}
.intro p{max-width:30em;margin:2em auto 0;color:#5a5346;letter-spacing:.06em}

/* full feature */
.feat{position:relative;height:90vh;min-height:560px;display:flex;align-items:flex-end;
  background:#000 center/cover no-repeat;color:#fff;overflow:hidden}
.feat::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.72))}
.feat .cap{position:relative;z-index:2;padding:0 0 9vh 8vw;max-width:40em}
.feat .num{font-family:"Shippori Mincho",serif;color:var(--gold-lt);letter-spacing:.3em;font-size:.85rem;margin-bottom:1em}
.feat h3{font-size:clamp(1.8rem,4vw,3rem);letter-spacing:.16em;font-weight:500;line-height:1.6}
.feat p{margin-top:1em;color:#e4ddd0;letter-spacing:.08em;font-size:1.02rem;max-width:34em}

/* two-col (kaiseki: portrait image + text) */
.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;background:var(--sumi);color:#fff}
.split .ph{height:100%;min-height:80vh;background:#000 center/cover no-repeat}
.split .tx{padding:10vh 7vw}
.split .num{font-family:"Shippori Mincho",serif;color:var(--gold-lt);letter-spacing:.3em;font-size:.85rem;margin-bottom:1em}
.split h3{font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:.16em;font-weight:500;line-height:1.6}
.split p{margin-top:1.2em;color:#c8c0b2;letter-spacing:.07em}
@media(max-width:820px){.split{grid-template-columns:1fr}.split .ph{min-height:64vw}.split .tx{padding:60px 30px}}

/* stay / reserve */
.reserve{background:var(--green);color:#fff;text-align:center;padding:130px 0}
.reserve .ey{font-size:.75rem;letter-spacing:.45em;color:var(--gold-lt);margin-bottom:1.4em}
.reserve h2{font-size:clamp(1.6rem,3.4vw,2.4rem);letter-spacing:.16em;font-weight:500;line-height:1.8}
.reserve .info{margin:2.4em auto 0;max-width:30em;color:#d7ddd2;letter-spacing:.08em;font-size:.95rem;line-height:2.2}
.btn-resv{display:inline-block;margin-top:2em;border:1px solid var(--gold-lt);color:#fff;
  padding:1em 3em;letter-spacing:.28em;font-size:.9rem;transition:.3s}
.btn-resv:hover{background:var(--gold);border-color:var(--gold)}

/* footer */
.foot{background:var(--sumi);color:#9a9082;padding:46px 0 60px;font-size:.78rem;letter-spacing:.06em;line-height:1.9}
.foot .logo{font-family:"Shippori Mincho",serif;color:#e8e0d2;font-size:1.1rem;letter-spacing:.3em;margin-bottom:1em}
.foot a{color:var(--gold-lt)}
.foot .disc{border-top:1px solid #38332c;margin-top:18px;padding-top:18px;color:#7a7165}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:1s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}