/* =========================================================
   あんくんのぜんざい ｜ LP（目的＝ご予約）
   世界観：100年湯のレトロ銭湯 × あんこ × あまい湯気
   ========================================================= */
:root{
  --paper:#f6efe0; --cream:#fdfaf2; --paper-2:#efe5d2;
  --an:#6e3327; --an-soft:#9c4a37; --an-deep:#4d211a;
  --ink:#2e2620; --ink-soft:#5f544a; --ink-mute:#938877;
  --tile-pink:#d79f98; --tile-blue:#8fb2b6; --gold:#c9a24a;
  --line:rgba(46,38,32,.14);
  --f-min:"Shippori Mincho B1","Hiragino Mincho ProN",serif;
  --f-sans:"Zen Kaku Gothic New","Hiragino Sans","Noto Sans JP",sans-serif;
  --maxw:1080px; --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 60px rgba(77,33,26,.18);
}
*,*::before,*::after{box-sizing:border-box}
html.lenis,html.lenis body{height:auto}.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;font-family:var(--f-sans);color:var(--ink);background:var(--paper);line-height:1.95;font-size:16px;letter-spacing:.02em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-family:var(--f-min);font-weight:800;line-height:1.5}
p{margin:0 0 1.2em}
.wrap{width:min(90%,var(--maxw));margin-inline:auto;position:relative}
.section{padding:clamp(60px,9vw,120px) 0;position:relative}
.center{text-align:center}

.btn{display:inline-flex;align-items:center;gap:.5em;padding:1.05em 2.2em;border-radius:999px;font-family:var(--f-sans);font-weight:800;font-size:1.02rem;letter-spacing:.04em;cursor:pointer;border:2px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s}
.btn:hover{transform:translateY(-3px)}
.btn--an{background:var(--an);color:#fdf3e6;box-shadow:0 14px 30px rgba(110,51,39,.34)}
.btn--an:hover{background:var(--an-soft)}
.btn--line{border-color:var(--an);color:var(--an);background:transparent}
.btn--line:hover{background:rgba(110,51,39,.06)}
.btn--lg{padding:1.2em 2.8em;font-size:1.1rem}

/* ヘッダー */
.hdr{position:fixed;top:0;inset-inline:0;z-index:50;padding:14px 0;transition:background .3s,box-shadow .3s,padding .3s}
.hdr.solid{background:rgba(253,250,242,.92);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);padding:9px 0}
.hdr .row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.hdr__brand{display:flex;align-items:center;gap:10px;color:#fff;font-family:var(--f-min);font-weight:800;letter-spacing:.08em;transition:color .3s}
.hdr.solid .hdr__brand{color:var(--ink)}
.hdr__brand img{width:38px;height:38px;border-radius:9px;background:#fff;padding:3px;box-shadow:0 4px 12px rgba(0,0,0,.15)}
.hdr .btn{padding:.6em 1.3em;font-size:.9rem}

/* ヒーロー */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;background:var(--an-deep);padding:120px 0 80px}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;transform:scale(1.05);filter:saturate(.92)}
.hero__veil{position:absolute;inset:0;z-index:1;background:radial-gradient(ellipse at 50% 42%,rgba(77,33,26,.5),rgba(40,18,14,.82))}
.hero .wrap{z-index:3}
.hero__logo{width:min(300px,60vw);margin:0 auto 10px;filter:drop-shadow(0 10px 30px rgba(0,0,0,.4));position:relative;z-index:3}
.hero__catch{font-family:var(--f-min);font-weight:800;color:#fdf3e6;font-size:clamp(1.7rem,5.2vw,3.1rem);line-height:1.5;letter-spacing:.06em;text-shadow:0 3px 20px rgba(0,0,0,.5);margin:.2em 0 .1em}
.hero__sub{color:#f0d9b8;font-size:clamp(1rem,2.3vw,1.25rem);letter-spacing:.14em;margin:0 0 1.4em}
.hero__badge{display:inline-block;background:var(--gold);color:#3a2708;font-weight:800;font-size:.82rem;letter-spacing:.14em;padding:.5em 1.3em;border-radius:999px;margin-bottom:1.6em}
.hero__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero__cta .btn--line{border-color:#f0d9b8;color:#fdf3e6}
/* 湯気 */
.steam{position:absolute;left:50%;top:34%;transform:translateX(-50%);z-index:2;width:200px;height:200px;pointer-events:none}
.steam span{position:absolute;bottom:0;width:26px;height:120px;background:radial-gradient(ellipse at 50% 100%,rgba(255,250,240,.5),transparent 70%);border-radius:50%;filter:blur(7px);opacity:0;animation:steam 5s ease-in-out infinite}
.steam span:nth-child(1){left:60px;animation-delay:0s}
.steam span:nth-child(2){left:100px;animation-delay:1.4s;height:150px}
.steam span:nth-child(3){left:140px;animation-delay:2.6s}
@keyframes steam{0%{opacity:0;transform:translateY(20px) scaleX(1)}30%{opacity:.8}100%{opacity:0;transform:translateY(-120px) scaleX(1.6)}}

/* 見出し共通 */
.eyebrow{font-family:var(--f-sans);font-size:.82rem;letter-spacing:.3em;color:var(--an-soft);font-weight:700;display:inline-block;margin-bottom:1em}
.s-title{font-size:clamp(1.6rem,4.2vw,2.6rem);letter-spacing:.05em;line-height:1.5;margin-bottom:.6em;color:var(--an)}
.lead{color:var(--ink-soft);font-size:1.06rem;max-width:60ch}
.center .lead{margin-inline:auto}

/* 物語 */
.story{background:var(--cream)}
.story__body{max-width:64ch;margin-inline:auto}
.story__body p{font-family:var(--f-min);font-size:1.08rem;line-height:2.1;color:#42372e}
.story__body .em{color:var(--an);font-weight:800}
.pull{font-family:var(--f-min);font-weight:800;color:var(--an);font-size:clamp(1.3rem,3.4vw,2rem);line-height:1.7;text-align:center;margin:1.4em 0}

/* 場所 */
.place{background:var(--paper-2)}
.place__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:center}
.place__media{border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.place__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.place__cap{font-family:var(--f-min);font-size:.86rem;color:var(--ink-mute);margin-top:.7em;letter-spacing:.06em}

/* ご予約 */
.book{background:linear-gradient(180deg,var(--an),var(--an-deep));color:#fdf3e6}
.book .eyebrow{color:var(--gold)}
.book .s-title{color:#fff}
.book__card{max-width:620px;margin:1.6em auto 0;background:rgba(255,250,240,.06);border:1px solid rgba(255,250,240,.18);border-radius:20px;padding:30px 28px;text-align:left}
.book__row{display:grid;grid-template-columns:96px 1fr;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,250,240,.14)}
.book__row:last-child{border-bottom:0}
.book__k{font-family:var(--f-min);color:var(--gold);font-size:.95rem}
.book__v{color:#fdf3e6;font-size:1rem}
.book__tel{display:block;text-align:center;margin:1.4em auto 0}
.book__tel .num{font-family:var(--f-min);font-weight:800;font-size:clamp(1.8rem,5vw,2.6rem);color:#fff;letter-spacing:.04em}
.book__cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:1.4em}
.book__cta .btn--gold{background:var(--gold);color:#3a2708}
.book__cta .btn--line{border-color:#f0d9b8;color:#fdf3e6}
.book__note{color:#e8cfa8;font-size:.84rem;text-align:center;margin-top:1.2em}

/* フッター */
.ftr{background:var(--an-deep);color:#d8b89a;padding:44px 0;text-align:center}
.ftr a{color:#f0d9b8;font-weight:700}
.ftr p{font-size:.86rem;margin:.4em 0}

/* 追従予約（モバイル） */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:55;display:none;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(77,33,26,.95);backdrop-filter:blur(8px);gap:10px}
.dock a{flex:1;justify-content:center;padding:.85em;font-size:.95rem}

/* リビール */
.rv{opacity:0;transform:translateY(26px)}
.rv.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}

@media (max-width:760px){
  .place__grid{grid-template-columns:1fr}
  .dock{display:flex}
  body{padding-bottom:66px}
}
@media (prefers-reduced-motion:reduce){
  .hero__bg img{transform:none}.steam span{animation:none;opacity:0}.rv{opacity:1;transform:none}
}