@charset "UTF-8";
/* =========================================================
   竹取亭 円山 ─ デモサイト
   公開時は英語がデフォルト言語になる前提で組んでいます。
   ボタン・見出しに固定幅を使わず、英語やロシア語で文字数が
   増えても崩れないようにしています。
   ========================================================= */

:root{
  /* ground */
  --ink:        #17171A;   /* 最も暗い地 */
  --ink-2:      #1F1F23;   /* セクション地 */
  --ink-3:      #27272C;   /* カード地 */
  --paper:      #EFECE6;   /* 明るいセクション地 */
  --paper-2:    #E5E1D9;

  /* text */
  --on-dark:    #EFEBE3;
  --on-dark-mu: #9B968C;
  --on-light:   #26262A;
  --on-light-mu:#6E6C66;

  /* accent */
  --gold:       #B0653A;   /* 金泉 */
  --gold-lt:    #C9825A;
  --silver:     #8FA9B8;   /* 銀泉 */

  --line-d:     rgba(239,235,227,.16);
  --line-l:     rgba(38,38,42,.14);

  --serif: "Cormorant Garamond", "Yu Mincho", YuMincho, "Hiragino Mincho ProN",
           "Noto Serif JP", "MS PMincho", serif;
  --sans:  "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP",
           "Yu Gothic", YuGothic, Meiryo, sans-serif;

  --pad: clamp(20px, 5vw, 64px);
  --sec: clamp(72px, 10vw, 150px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--ink);
  color:var(--on-dark);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.95;
  letter-spacing:.02em;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul,ol,dl,dd{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p,figure{ margin:0; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:999;
  background:var(--gold); color:#fff; padding:10px 18px;
}
.skip:focus{ left:0; }

.wrap{ width:min(1180px, 100% - var(--pad)*2); margin-inline:auto; }

/* ---------- buttons : 英語で長くなっても崩れないよう padding 基準 ---------- */
.btn{
  display:inline-block;
  font-size:.86rem;
  letter-spacing:.1em;
  line-height:1.4;
  padding:1.05em 2.4em;
  border:1px solid transparent;
  transition:background .4s, color .4s, border-color .4s;
  white-space:nowrap;
}
.btn--gold{ background:var(--gold); color:#fff; border-color:var(--gold); }
.btn--gold:hover{ background:var(--gold-lt); border-color:var(--gold-lt); }
.btn--line{ border-color:var(--line-d); color:var(--on-dark); }
.btn--line:hover{ border-color:var(--on-dark); }
.btn--dark{ background:var(--ink); color:var(--on-dark); border-color:var(--ink); }
.btn--dark:hover{ background:#000; }
.btn--line-dark{ border-color:var(--line-l); color:var(--on-light); }
.btn--line-dark:hover{ border-color:var(--on-light); }
.btn--sm{ font-size:.78rem; padding:.85em 1.8em; }
.btn--lg{ font-size:.95rem; padding:1.25em 3.2em; }

/* ---------- header ---------- */
.hd{
  position:fixed; inset:0 0 auto 0; z-index:100;
  transition:background .5s, border-color .5s, padding .5s;
  border-bottom:1px solid transparent;
}
.hd.is-solid{ background:rgba(23,23,26,.94); border-bottom-color:var(--line-d); backdrop-filter:blur(8px); }
.hd__in{
  width:min(1480px, 100% - 32px); margin-inline:auto;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:20px 0;
}
.hd__brand-en{
  display:block; font-family:var(--serif); font-size:.72rem;
  letter-spacing:.24em; color:var(--gold-lt);
}
.hd__brand-ja{ display:block; font-family:var(--serif); font-size:1.12rem; letter-spacing:.16em; }
.hd__nav ul{ display:flex; gap:clamp(14px,2vw,30px); }
.hd__nav a{ font-size:.82rem; letter-spacing:.08em; color:var(--on-dark-mu); transition:color .3s; }
.hd__nav a:hover{ color:var(--on-dark); }
.hd__act{ display:flex; align-items:center; gap:14px; }
.lang{
  background:none; border:1px solid var(--line-d); color:var(--on-dark-mu);
  font:inherit; font-size:.76rem; letter-spacing:.08em;
  padding:.5em 1em; cursor:pointer; transition:border-color .3s,color .3s;
}
.lang:hover{ border-color:var(--on-dark); color:var(--on-dark); }
.burger{ display:none; width:40px; height:34px; background:none; border:0; cursor:pointer; padding:0; }
.burger span{ display:block; height:1px; background:var(--on-dark); margin:8px auto; width:24px; transition:transform .4s, opacity .3s; }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(4.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ transform:translateY(-4.5px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero__media{
  position:absolute; inset:0;
  background-color:#202024;
  background-image:url("../images/hero.jpg");
  background-size:cover; background-position:center;
  transform:scale(1.06);
  animation:heroZoom 16s ease-out forwards;
}
@keyframes heroZoom{ to{ transform:scale(1); } }
.hero__scrim{
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(23,23,26,.52) 0%, rgba(23,23,26,.12) 32%, rgba(23,23,26,.88) 100%);
}
.hero__body{
  position:relative; z-index:2;
  width:min(1180px, 100% - var(--pad)*2); margin-inline:auto;
  padding-bottom:clamp(90px,13vh,150px);
  max-width:none;
}
.hero__eyebrow{
  font-family:var(--serif); font-size:.76rem; letter-spacing:.34em;
  color:var(--gold-lt); margin-bottom:22px;
}
.hero__ttl{ margin-bottom:26px; }
.hero__en{
  display:block; font-family:var(--serif); font-weight:300;
  font-size:clamp(2.6rem, 7vw, 5.4rem); line-height:1.05; letter-spacing:.04em;
}
.hero__ja{
  display:block; font-family:var(--serif);
  font-size:clamp(1.2rem, 2.6vw, 1.9rem); letter-spacing:.2em;
  margin-top:.5em; color:var(--on-dark);
}
.hero__lead{
  font-size:.95rem; color:var(--on-dark-mu); line-height:2.15;
  max-width:46ch; margin-bottom:38px;
}
.hero__btns{ display:flex; flex-wrap:wrap; gap:12px; }
.hero__scroll{ position:absolute; left:50%; bottom:26px; z-index:2; }
.hero__scroll span{
  display:block; width:1px; height:52px; background:var(--line-d); position:relative; overflow:hidden;
}
.hero__scroll span::after{
  content:""; position:absolute; inset:0; background:var(--gold-lt);
  animation:scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine{ 0%{transform:translateY(-100%);} 60%,100%{transform:translateY(100%);} }

/* ---------- section shell ---------- */
.sec{ padding:var(--sec) 0; }
.sec--dark{ background:var(--ink-2); }
.sec--light{ background:var(--paper); color:var(--on-light); }

.sh{ max-width:62ch; margin-bottom:clamp(40px,6vw,70px); }
.sh__en{
  font-family:var(--serif); font-size:.74rem; letter-spacing:.3em;
  color:var(--gold-lt); margin-bottom:16px;
}
.sh__ttl{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(1.6rem, 3.4vw, 2.6rem); line-height:1.5; letter-spacing:.09em;
  margin-bottom:20px;
}
/* 日本語の折り返しを文節単位に。英語では無視されます */
.sh__ttl, .stay__ttl, .book__ttl, .hero__ja, .hero__lead,
.sh__lead, .stay__txt, .card__ttl, .bath__name{
  word-break:auto-phrase;
  line-break:strict;
  text-wrap:pretty;
}
.sh__ttl, .stay__ttl, .book__ttl{ text-wrap:balance; }
.sh__lead{ font-size:.92rem; line-height:2.2; color:var(--on-dark-mu); }
.sh--light .sh__lead{ color:var(--on-light-mu); }
.sh--light .sh__en{ color:var(--gold); }

.more{ margin-top:clamp(34px,5vw,56px); display:flex; flex-wrap:wrap; gap:12px; }

/* ---------- numbers ---------- */
.nums{
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-d); border-bottom:1px solid var(--line-d);
  margin-bottom:clamp(40px,6vw,64px);
}
.nums li{ text-align:center; padding:clamp(26px,4vw,42px) 10px; border-right:1px solid var(--line-d); }
.nums li:last-child{ border-right:0; }
.nums b{
  display:block; font-family:var(--serif); font-weight:300;
  font-size:clamp(2.8rem,7vw,4.6rem); line-height:1; color:var(--gold-lt);
}
.nums li:nth-child(2) b{ color:var(--silver); }
.nums li:nth-child(3) b{ color:var(--on-dark); }
.nums span{ display:block; font-size:.76rem; letter-spacing:.14em; color:var(--on-dark-mu); margin-top:14px; }

/* ---------- bath rail ---------- */
.rail{ position:relative; }
.rail__track{
  display:flex; gap:18px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding-bottom:16px; scrollbar-width:thin;
}
.rail__track::-webkit-scrollbar{ height:3px; }
.rail__track::-webkit-scrollbar-thumb{ background:var(--line-d); }
.bath{ flex:0 0 clamp(210px, 25vw, 290px); scroll-snap-align:start; }
.bath__img{
  aspect-ratio:4/5; background-color:var(--ink-3);
  background-size:cover; background-position:center; margin-bottom:14px;
  transition:opacity .4s;
}
.bath:hover .bath__img{ opacity:.82; }
.bath__name{ font-family:var(--serif); font-size:1.08rem; letter-spacing:.14em; }
.bath__meta{ font-size:.74rem; letter-spacing:.1em; color:var(--on-dark-mu); margin-top:5px; }
.rail__nav{ display:flex; gap:8px; margin-top:18px; }
.rail__btn{
  width:46px; height:46px; background:none; border:1px solid var(--line-d);
  color:var(--on-dark-mu); cursor:pointer; font-size:.9rem; transition:border-color .3s,color .3s;
}
.rail__btn:hover{ border-color:var(--on-dark); color:var(--on-dark); }

.notes{ margin-top:clamp(34px,5vw,52px); display:grid; gap:10px; }
.notes p{
  font-size:.86rem; color:var(--on-dark-mu); padding-left:20px; position:relative; line-height:2;
}
.notes p::before{
  content:""; position:absolute; left:0; top:1em; width:10px; height:1px; background:var(--gold);
}

/* ---------- springs ---------- */
.springs{ background:var(--ink); padding:clamp(56px,8vw,96px) 0; }
.springs__grid{ display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line-d); }
.spring{ background:var(--ink); padding:clamp(28px,4vw,50px); position:relative; }
.spring::before{ content:""; position:absolute; top:0; left:0; width:68px; height:2px; }
.spring--gold::before{ background:var(--gold); }
.spring--silver::before{ background:var(--silver); }
.spring__en{ font-family:var(--serif); font-size:.7rem; letter-spacing:.28em; color:var(--on-dark-mu); margin-bottom:12px; }
.spring__ttl{ font-family:var(--serif); font-weight:400; font-size:1.9rem; letter-spacing:.18em; margin-bottom:16px; }
.spring--gold .spring__ttl{ color:var(--gold-lt); }
.spring--silver .spring__ttl{ color:var(--silver); }
.spring__txt{ font-size:.88rem; color:var(--on-dark-mu); line-height:2.1; max-width:42ch; }

/* ---------- facts band ---------- */
.facts{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line-l); border-bottom:1px solid var(--line-l);
  margin-bottom:clamp(36px,5vw,56px);
}
.facts li{ padding:clamp(20px,3vw,32px) 16px; border-right:1px solid var(--line-l); }
.facts li:last-child{ border-right:0; }
.facts b{ display:block; font-family:var(--serif); font-size:1.3rem; letter-spacing:.08em; margin-bottom:6px; }
.facts span{ font-size:.76rem; color:var(--on-light-mu); letter-spacing:.06em; }

/* ---------- cards ---------- */
.cards{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(16px,2.4vw,28px); }
.card__img{
  aspect-ratio:3/2; background-color:#C9C5BD;
  background-size:cover; background-position:center; margin-bottom:16px; transition:opacity .4s;
}
.sec--dark .card__img{ background-color:var(--ink-3); }
.card:hover .card__img{ opacity:.85; }
.card__tag{
  display:inline-block; font-size:.68rem; letter-spacing:.14em;
  border:1px solid var(--line-l); padding:.3em .8em; margin-bottom:10px; color:var(--on-light-mu);
}
.sec--dark .card__tag{ border-color:var(--line-d); color:var(--on-dark-mu); }
.card__tag--gold{ border-color:var(--gold); color:var(--gold-lt); }
.card__ttl{ font-family:var(--serif); font-size:1.16rem; letter-spacing:.1em; margin-bottom:8px; }
.card__meta{ font-size:.78rem; color:var(--on-light-mu); letter-spacing:.04em; }
.sec--dark .card__meta{ color:var(--on-dark-mu); }

.spec{ margin-top:12px; border-top:1px solid var(--line-d); }
.spec div{ display:flex; gap:14px; padding:7px 0; border-bottom:1px solid var(--line-d); }
.spec dt{ flex:0 0 4.5em; font-size:.74rem; color:var(--on-dark-mu); letter-spacing:.08em; }
.spec dd{ font-size:.8rem; }

/* ---------- stay (湯治) ---------- */
.stay{ display:grid; grid-template-columns:1fr 1fr; background:var(--ink); align-items:stretch; }
.stay__media{
  background-color:#202024; background-image:url("../images/toji.jpg");
  background-size:cover; background-position:center; min-height:clamp(300px,46vw,620px);
}
.stay__body{ padding:clamp(44px,6vw,100px) clamp(24px,5vw,80px); align-self:center; }
.stay__ttl{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(1.7rem,3.4vw,2.7rem); letter-spacing:.1em; line-height:1.55;
  margin:16px 0 24px;
}
.stay__txt{ font-size:.9rem; line-height:2.2; color:var(--on-dark-mu); max-width:44ch; margin-bottom:18px; }
.stay__note{
  margin-top:34px; padding-top:18px; border-top:1px solid var(--line-d);
  font-size:.72rem; line-height:1.9; color:var(--on-dark-mu); max-width:52ch;
}

/* ---------- reviews ---------- */
.scores{
  display:grid; grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-l); border-bottom:1px solid var(--line-l);
  margin-bottom:clamp(32px,4vw,52px);
}
.scores li{ text-align:center; padding:clamp(22px,3vw,34px) 10px; border-right:1px solid var(--line-l); }
.scores li:last-child{ border-right:0; }
.scores b{ display:block; font-family:var(--serif); font-size:clamp(2rem,4vw,3rem); line-height:1; color:var(--gold); }
.scores span{ display:block; font-size:.74rem; letter-spacing:.14em; color:var(--on-light-mu); margin-top:12px; }
.quotes{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(16px,2.4vw,28px); }
.quotes li{ background:var(--paper-2); padding:clamp(22px,3vw,32px); }
.quotes p{ font-size:.86rem; line-height:2.1; margin-bottom:16px; }
.quotes cite{ font-size:.72rem; font-style:normal; letter-spacing:.08em; color:var(--on-light-mu); }
.caveat{ margin-top:22px; font-size:.72rem; color:var(--on-light-mu); }

/* ---------- access ---------- */
.access{ display:grid; grid-template-columns:1.1fr 1fr; gap:clamp(28px,5vw,70px); align-items:center; }
.access__map{
  aspect-ratio:4/3; background-color:var(--ink-3);
  background-size:cover; background-position:center;
}
.times{ margin:22px 0 24px; border-top:1px solid var(--line-d); }
.times li{ display:flex; gap:18px; padding:12px 0; border-bottom:1px solid var(--line-d); align-items:baseline; }
.times b{ flex:0 0 8.5em; font-family:var(--serif); font-size:.95rem; letter-spacing:.1em; }
.times span{ font-size:.82rem; color:var(--on-dark-mu); }
.access__txt{ font-size:.88rem; line-height:2.1; color:var(--on-dark-mu); }

/* ---------- duo (faq / journal) ---------- */
.duo{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,6vw,80px); }
.faq{ margin-top:8px; border-top:1px solid var(--line-l); }
.faq li{ border-bottom:1px solid var(--line-l); }
.faq a{ display:block; padding:16px 0; font-size:.88rem; transition:color .3s; }
.faq a:hover{ color:var(--gold); }
.posts{ margin-top:8px; display:grid; gap:16px; }
.posts a{ display:grid; grid-template-columns:110px 1fr; gap:18px; align-items:center; }
.posts__img{ aspect-ratio:4/3; background-color:#C9C5BD; background-size:cover; background-position:center; }
.posts__ttl{ font-family:var(--serif); font-size:1rem; letter-spacing:.08em; line-height:1.7; }
.posts__date{ font-size:.72rem; color:var(--on-light-mu); margin-top:6px; letter-spacing:.08em; }

/* ---------- book cta ---------- */
.book{ position:relative; padding:clamp(80px,12vw,160px) 0; text-align:center; overflow:hidden; }
.book__media{
  position:absolute; inset:0; background-color:#1C1C20;
  background-image:url("../images/book.jpg"); background-size:cover; background-position:center;
}
.book__scrim{ position:absolute; inset:0; background:rgba(20,20,23,.68); }
.book__body{ position:relative; z-index:2; }
.book__en{ font-family:var(--serif); font-size:.76rem; letter-spacing:.34em; color:var(--gold-lt); margin-bottom:18px; }
.book__ttl{
  font-family:var(--serif); font-weight:400;
  font-size:clamp(1.7rem,4vw,2.9rem); letter-spacing:.2em; margin-bottom:38px;
}
.book__note{ margin-top:22px; font-size:.78rem; color:var(--on-dark-mu); letter-spacing:.06em; }

/* ---------- footer ---------- */
.ft{ background:var(--ink); padding:clamp(56px,8vw,96px) 0 clamp(90px,8vw,56px); border-top:1px solid var(--line-d); }
.ft__grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:clamp(26px,4vw,56px); }
.ft__en{ font-family:var(--serif); font-size:.72rem; letter-spacing:.24em; color:var(--gold-lt); }
.ft__ja{ font-family:var(--serif); font-size:1.24rem; letter-spacing:.18em; margin:6px 0 20px; }
.ft__addr{ font-size:.78rem; line-height:2; color:var(--on-dark-mu); margin-bottom:12px; }
.ft__h{ font-size:.76rem; letter-spacing:.16em; color:var(--gold-lt); margin-bottom:16px; }
.ft__nav li{ margin-bottom:10px; }
.ft__nav a{ font-size:.8rem; color:var(--on-dark-mu); transition:color .3s; }
.ft__nav a:hover{ color:var(--on-dark); }
.ft__copy{
  margin-top:clamp(40px,6vw,64px); padding-top:24px; border-top:1px solid var(--line-d);
  font-size:.7rem; letter-spacing:.14em; color:var(--on-dark-mu);
}

/* ---------- sticky (SP) ---------- */
.sticky{
  position:fixed; inset:auto 0 0 0; z-index:90;
  display:none; align-items:center; justify-content:space-between; gap:12px;
  padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));
  background:rgba(23,23,26,.96); border-top:1px solid var(--line-d);
  transform:translateY(100%); transition:transform .4s;
}
.sticky.is-on{ transform:translateY(0); }
.sticky__txt{ font-size:.72rem; letter-spacing:.08em; color:var(--on-dark-mu); }

/* ---------- reveal ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity 1s ease, transform 1s ease; }
.reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .hero__media{ animation:none; transform:none; }
  .hero__scroll span::after{ animation:none; }
  html{ scroll-behavior:auto; }
}

/* =========================================================
   responsive
   ========================================================= */
@media (max-width:1080px){
  .hd__nav{
    position:fixed; inset:0; background:rgba(23,23,26,.98);
    display:flex; align-items:center; justify-content:center;
    opacity:0; pointer-events:none; transition:opacity .4s;
  }
  .hd__nav.is-open{ opacity:1; pointer-events:auto; }
  .hd__nav ul{ flex-direction:column; gap:28px; text-align:center; }
  .hd__nav a{ font-family:var(--serif); font-size:1.3rem; letter-spacing:.18em; color:var(--on-dark); }
  .burger{ display:block; position:relative; z-index:2; }
  .hd__cta{ display:none; }
}
@media (max-width:860px){
  .stay{ grid-template-columns:1fr; }
  .access{ grid-template-columns:1fr; }
  .duo{ grid-template-columns:1fr; }
  .cards{ grid-template-columns:1fr; }
  .quotes{ grid-template-columns:1fr; }
  .springs__grid{ grid-template-columns:1fr; }
  .ft__grid{ grid-template-columns:1fr 1fr; }
  .sticky{ display:flex; }
  .facts{ grid-template-columns:1fr 1fr; }
  .facts li:nth-child(2n){ border-right:0; }
  .facts li:nth-child(-n+2){ border-bottom:1px solid var(--line-l); }
}
@media (max-width:560px){
  body{ font-size:15px; }
  .nums{ grid-template-columns:1fr; }
  .nums li{ border-right:0; border-bottom:1px solid var(--line-d); display:flex; align-items:baseline; justify-content:center; gap:16px; }
  .nums li:last-child{ border-bottom:0; }
  .nums span{ margin-top:0; }
  .scores{ grid-template-columns:1fr; }
  .scores li{ border-right:0; border-bottom:1px solid var(--line-l); }
  .scores li:last-child{ border-bottom:0; }
  .ft__grid{ grid-template-columns:1fr; }
  .hero__btns .btn{ width:100%; text-align:center; }
}