/* =========================================================
   the Sanctuary Kohama Retreat — shared styles
   Palette & type per design.md (PDF spec)
   ========================================================= */
:root{
  /* main */
  --accent:#C2734A;      /* テラコッタ */
  --accent-deep:#A85D38;
  --heading:#8A7355;     /* 木かげ */
  --dark:#5C4433;        /* 焦茶 */
  /* base */
  --bg:#FAF6EF;          /* 生成り */
  --bg-section:#EFE6D6;  /* 砂 */
  --bg-subtle:#E6D3BE;   /* 淡土 */
  /* text */
  --text:#382A20;        /* 墨茶 */
  --leaf:#7C7A5A;        /* 葉影 */
  --line:rgba(92,68,51,0.14);

  --font-en:'Quicksand',sans-serif;
  --font-jp:'Klee One',serif;
  --font-body:'Noto Sans JP',sans-serif;

  --maxw:1200px;
  --r:18px;
  --r-lg:30px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 18px 50px -28px rgba(92,68,51,.45);
  --shadow-sm:0 10px 30px -20px rgba(92,68,51,.5);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-weight:400;line-height:1.85;
  letter-spacing:.01em;overflow-x:hidden;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
/* grain overlay (2026 texture trend) */
body::after{
  content:"";position:fixed;inset:0;z-index:9000;pointer-events:none;
  background-image:url("../images/texture-paper.png");background-size:180px;
  opacity:.5;mix-blend-mode:multiply;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}

/* language toggle visibility */
html[lang="ja"] .en-only{display:none!important}
html[lang="en"] .jp-only{display:none!important}

/* ---------- layout ---------- */
.wrap{width:min(92%,var(--maxw));margin-inline:auto}
.wide{width:min(94%,1340px);margin-inline:auto}
section{position:relative}
.pad{padding-block:clamp(64px,9vw,130px)}
.sand{background:var(--bg-section)}
.subtle{background:var(--bg-subtle)}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--font-en);font-weight:500;color:var(--heading);
  font-size:clamp(.72rem,1.1vw,.86rem);letter-spacing:.34em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.7em;margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--accent);display:inline-block}
.eyebrow.center{justify-content:center}
.eyebrow.center::after{content:"";width:34px;height:1px;background:var(--accent);display:inline-block}

h1,h2,h3,h4{font-family:var(--font-jp);font-weight:600;color:var(--text);line-height:1.32;margin:0;letter-spacing:.02em}
.display{font-size:clamp(2.5rem,6.4vw,5rem);font-weight:600;line-height:1.18;letter-spacing:.01em}
.sec-title{font-size:clamp(1.9rem,4vw,3rem)}
.lead{font-size:clamp(1rem,1.5vw,1.18rem);font-weight:300;color:#56463a;line-height:2;text-wrap:pretty}
.muted{color:#6d5b4c}
.en-label{font-family:var(--font-en);letter-spacing:.18em}

/* ---------- buttons ---------- */
.btn{
  --b:var(--accent);
  display:inline-flex;align-items:center;gap:.6em;justify-content:center;
  font-family:var(--font-body);font-weight:500;font-size:1rem;
  padding:1.05em 2.1em;border-radius:999px;cursor:pointer;border:0;
  position:relative;overflow:hidden;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  background:var(--b);color:#fff;box-shadow:0 14px 30px -16px rgba(194,115,74,.8);
  isolation:isolate;
}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--accent-deep);
  transform:translateY(102%);transition:transform .42s var(--ease)}
.btn:hover{transform:translateY(-3px)}
.btn:hover::before{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--dark);border:1.5px solid rgba(92,68,51,.32);box-shadow:none}
.btn.ghost::before{background:rgba(92,68,51,.06)}
.btn.ghost:hover{color:var(--dark)}
.btn .ico{width:1.05em;height:1.05em;stroke:currentColor;fill:none;stroke-width:1.6}
.textlink{
  font-weight:500;color:var(--accent);display:inline-flex;align-items:center;gap:.5em;
  transition:gap .3s var(--ease)
}
.textlink:hover{gap:.85em}
.textlink svg{width:1em;height:1em}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:all .4s var(--ease)}
.site-header .bar{
  display:flex;align-items:center;justify-content:space-between;gap:1.5rem;
  width:min(95%,1380px);margin-inline:auto;padding:1.1rem 1.4rem;margin-top:14px;
  background:rgba(250,246,239,.72);backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(92,68,51,.08);border-radius:22px;
  box-shadow:0 20px 50px -34px rgba(92,68,51,.5);transition:all .4s var(--ease);
}
.site-header.scrolled .bar{margin-top:6px;padding-block:.8rem;background:rgba(250,246,239,.92)}
.brand{display:flex;flex-direction:column;line-height:1.05;gap:.34em;flex:none;white-space:nowrap}
.brand img{height:clamp(30px,3.4vw,40px);width:auto;display:block;transition:height .4s var(--ease)}
.site-header.scrolled .brand img{height:clamp(26px,3vw,34px)}
.site-footer .brand img{height:42px}
.nav{display:flex;align-items:center;gap:.2rem}
.nav a{
  font-size:.86rem;font-weight:500;color:var(--text);padding:.55em .85em;border-radius:10px;
  position:relative;transition:color .3s,background .3s;white-space:nowrap;
}
.nav a::after{content:"";position:absolute;left:50%;bottom:.32em;width:0;height:1.5px;background:var(--accent);transition:width .3s var(--ease),left .3s var(--ease)}
.nav a:hover{color:var(--accent-deep)}
.nav a:hover::after,.nav a[aria-current="page"]::after{width:46%;left:27%}
.nav a[aria-current="page"]{color:var(--accent-deep)}
.head-tools{display:flex;align-items:center;gap:.7rem}
.lang-toggle{
  display:inline-flex;border:1px solid rgba(92,68,51,.22);border-radius:999px;overflow:hidden;
  font-family:var(--font-en);font-size:.72rem;font-weight:500;letter-spacing:.06em;
}
.lang-toggle button{border:0;background:transparent;color:var(--heading);padding:.5em .8em;cursor:pointer;transition:all .3s}
.lang-toggle button.on{background:var(--dark);color:#fff}
.head-cta{display:inline-flex;align-items:center;gap:.5em;background:var(--accent);color:#fff;
  padding:.8em 1.5em;border-radius:999px;font-weight:500;font-size:.9rem;
  box-shadow:0 12px 26px -14px rgba(194,115,74,.85);transition:transform .35s var(--ease)}
.head-cta:hover{transform:translateY(-2px)}
.head-cta svg{width:1.05em;height:1.05em;stroke:currentColor;fill:none;stroke-width:1.6}
.head-ig{width:42px;height:42px;border-radius:12px;border:1px solid rgba(92,68,51,.22);
  display:grid;place-items:center;color:var(--dark);transition:all .3s var(--ease)}
.head-ig svg{width:20px;height:20px}
.head-ig:hover{background:var(--accent);border-color:var(--accent);color:#fff;transform:translateY(-2px)}
.burger{display:none;width:46px;height:46px;border-radius:12px;border:1px solid rgba(92,68,51,.2);
  background:rgba(255,255,255,.5);cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.burger span{width:20px;height:2px;background:var(--dark);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:999;background:rgba(56,42,32,.55);backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity .4s}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(86%,360px);
  background:var(--bg);padding:6rem 2rem 2rem;transform:translateX(100%);transition:transform .5s var(--ease);
  display:flex;flex-direction:column;gap:.3rem;box-shadow:-20px 0 60px -30px rgba(0,0,0,.4)}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-panel a{font-family:var(--font-jp);font-size:1.15rem;padding:.7em .3em;border-bottom:1px solid var(--line);color:var(--text)}
.drawer-panel a[aria-current="page"]{color:var(--accent)}
.drawer-panel .btn{margin-top:1.4rem}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- marquee ---------- */
.marquee{overflow:hidden;white-space:nowrap;padding-block:clamp(18px,2.6vw,30px);border-block:1px solid var(--line);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:inline-flex;align-items:center;gap:3rem;animation:marq 40s linear infinite;will-change:transform}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee span{font-family:var(--font-en);font-size:clamp(.82rem,1.3vw,1.05rem);color:var(--heading);
  font-weight:500;letter-spacing:.28em}
.marquee .dot{color:var(--accent);font-size:.7em;letter-spacing:0;opacity:.8}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- cards / bento ---------- */
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ph{aspect-ratio:16/11;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.card:hover .ph img{transform:scale(1.06)}

.bento{display:grid;gap:18px;grid-template-columns:repeat(12,1fr)}
.bento>*{border-radius:var(--r-lg)}
.tag{display:inline-block;background:var(--bg-subtle);color:var(--dark);font-size:.74rem;font-weight:500;
  padding:.4em 1em;border-radius:999px;letter-spacing:.04em}

/* spec list */
.spec{list-style:none;margin:1.1rem 0 0;padding:0;display:grid;gap:.7rem}
.spec li{display:flex;align-items:center;gap:.75em;font-size:.95rem;color:#564537}
.spec .ico{width:1.4em;height:1.4em;flex:none;color:var(--accent);stroke:currentColor;fill:none;stroke-width:1.5}

/* page hero (sub pages) */
.page-hero{padding:clamp(140px,16vw,200px) 0 clamp(40px,6vw,70px)}
.page-hero .crumbs{font-family:var(--font-en);font-size:.78rem;letter-spacing:.12em;color:var(--heading);margin-bottom:1.1rem}
.page-hero .crumbs a:hover{color:var(--accent)}

/* ---------- subpage shared components ---------- */
.banner{position:relative;overflow:hidden;border-radius:var(--r-lg);min-height:clamp(260px,34vw,420px);
  display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow)}
.banner img{position:absolute;inset:0;width:100%;height:112%;object-fit:cover}
.banner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(56,42,32,.15),rgba(56,42,32,.66))}
.banner .b-inner{position:relative;z-index:2;padding:clamp(26px,4vw,52px)}
.banner h1{color:#fff;font-size:clamp(2rem,4.6vw,3.4rem)}
.banner .eyebrow{color:#f3e7d4}.banner .eyebrow::before{background:#fff}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,2.6vw,36px);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.pillar:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.pillar .pn{font-family:var(--font-en);font-size:.78rem;letter-spacing:.2em;color:var(--accent);margin-bottom:1rem}
.pillar h3{font-size:1.3rem;margin-bottom:.6rem}
.pillar p{font-size:.92rem;color:#6d5b4c;margin:0;line-height:1.9}
.pillar .ic{width:46px;height:46px;border-radius:14px;background:var(--bg-subtle);display:grid;place-items:center;margin-bottom:1.2rem}
.pillar .ic svg{width:22px;height:22px;stroke:var(--dark);fill:none;stroke-width:1.5}

/* price card */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.price-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.price-card .ph{aspect-ratio:16/10;overflow:hidden}
.price-card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.price-card:hover .ph img{transform:scale(1.05)}
.price-card .pc-body{padding:clamp(22px,2.6vw,34px);display:flex;flex-direction:column;flex:1}
.price-card h3{font-size:1.5rem;display:flex;align-items:center;gap:.6rem}
.price-card .pc-sub{color:#6d5b4c;font-size:.92rem;margin:.5rem 0 1.2rem}
.price-card .price{font-family:var(--font-en);font-weight:600;color:var(--dark);font-size:clamp(1.6rem,3vw,2.2rem);line-height:1}
.price-card .price small{font-family:var(--font-body);font-weight:400;font-size:.8rem;color:#6d5b4c}
.price-card .pc-foot{margin-top:auto;padding-top:1.4rem}

table.rates{width:100%;border-collapse:collapse;font-size:.92rem}
table.rates th,table.rates td{text-align:left;padding:.85em 1em;border-bottom:1px solid var(--line)}
table.rates thead th{font-family:var(--font-en);font-weight:500;letter-spacing:.08em;font-size:.76rem;
  text-transform:uppercase;color:var(--heading)}
table.rates td.amt{text-align:right;font-family:var(--font-en);font-weight:500;color:var(--dark)}
table.rates tbody tr:hover{background:rgba(194,115,74,.05)}

/* feature card grid (activities/facilities) */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}

/* steps / timeline */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,2.4vw,32px)}
.step .sn{width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font-family:var(--font-en);
  font-weight:600;display:grid;place-items:center;margin-bottom:1rem}
.step h4{font-size:1.1rem;margin-bottom:.4rem}
.step p{font-size:.88rem;color:#6d5b4c;margin:0;line-height:1.85}

/* info row */
.info-list{display:grid;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg)}
.info-list .row{display:grid;grid-template-columns:200px 1fr;gap:1rem;padding:1.1em 1.4em;border-bottom:1px solid var(--line)}
.info-list .row:last-child{border-bottom:0}
.info-list .row dt{font-weight:500;color:var(--dark);font-size:.9rem}
.info-list .row dd{margin:0;color:#56463a;font-size:.94rem}

/* faq */
.faq{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{list-style:none;cursor:pointer;padding:1.2em 1.5em;font-weight:500;color:var(--dark);
  display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:background .3s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(194,115,74,.05)}
.faq summary .pm{width:20px;height:20px;flex:none;position:relative}
.faq summary .pm::before,.faq summary .pm::after{content:"";position:absolute;background:var(--accent);transition:transform .3s}
.faq summary .pm::before{top:9px;left:0;width:20px;height:2px}
.faq summary .pm::after{top:0;left:9px;width:2px;height:20px}
.faq details[open] summary .pm::after{transform:scaleY(0)}
.faq .ans{padding:0 1.5em 1.3em;color:#56463a;font-size:.92rem;line-height:1.9}

/* forms */
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(26px,3.4vw,48px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.3rem}
.field label{display:block;font-size:.86rem;font-weight:500;color:var(--dark);margin-bottom:.5rem}
.field label .req{color:var(--accent);font-size:.78rem;margin-left:.3em}
.field input,.field select,.field textarea{width:100%;font-family:var(--font-body);font-size:.95rem;color:var(--text);
  padding:.85em 1em;border:1px solid rgba(92,68,51,.22);border-radius:12px;background:#fff;transition:border .25s,box-shadow .25s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(194,115,74,.14)}
.field textarea{resize:vertical;min-height:130px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.note{font-size:.84rem;color:#6d5b4c;background:var(--bg-section);border-radius:14px;padding:1em 1.2em;display:flex;gap:.7em}
.note svg{width:1.2em;height:1.2em;flex:none;stroke:var(--accent);fill:none;stroke-width:1.5;margin-top:.15em}

@media (max-width:820px){
  .pillars,.steps{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .info-list .row{grid-template-columns:1fr;gap:.2rem}
}

/* divider leaf */
.leaf-rule{display:flex;align-items:center;gap:1rem;color:var(--leaf)}
.leaf-rule::before,.leaf-rule::after{content:"";height:1px;flex:1;background:var(--line)}
.leaf-rule svg{width:22px;height:22px;fill:var(--leaf)}

/* footer */
.site-footer{background:var(--dark);color:#e8dcce;padding:clamp(56px,7vw,90px) 0 2rem;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:60px;
  background:url("../images/texture-wave.png") center/cover;opacity:.0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:3rem}
.foot-info{font-size:.86rem;line-height:2.1;color:#d3c3ae}
.foot-info a:hover{color:var(--accent)}
.foot-ig{display:inline-flex;align-items:center;gap:.65em;margin-top:1.3rem;padding:.75em 1.4em;
  border:1px solid rgba(255,255,255,.28);border-radius:999px;color:#f0e6d6;font-size:.9rem;
  transition:all .3s var(--ease)}
.foot-ig svg{width:1.25em;height:1.25em}
.foot-ig span{font-family:var(--font-en);font-weight:500;letter-spacing:.04em}
.foot-ig em{font-style:normal;font-size:.78rem;color:#cbb89f}
.foot-ig:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.foot-ig:hover em{color:#fde8da}
.drawer-ig{display:inline-flex;align-items:center;gap:.6em;justify-content:center;margin-top:.9rem;
  padding:.8em;border:1px solid rgba(92,68,51,.25);border-radius:999px;color:var(--dark);
  font-family:var(--font-en);font-weight:500;font-size:.92rem}
.drawer-ig svg{width:1.2em;height:1.2em}
.foot-col h4{font-family:var(--font-en);font-weight:500;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:#cbb89f;margin-bottom:1.1rem}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:.6rem}
.foot-col a{font-size:.9rem;color:#ddceba;transition:color .3s,padding .3s}
.foot-col a:hover{color:#fff;padding-left:.3em}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:3rem;padding-top:1.6rem;
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.76rem;color:#b6a487}

/* big closing CTA band */
.cta-band{position:relative;overflow:hidden;background:var(--dark);color:#fff;text-align:center;
  padding:clamp(64px,9vw,120px) 0}
.cta-band .bgimg{position:absolute;inset:0;background:url("../images/texture-wave.png") center/cover;opacity:.28}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(92,68,51,.55),rgba(56,42,32,.78))}
.cta-band .inner{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4.4vw,3.2rem)}
.cta-band p{color:#f0e6d6;font-weight:300}

/* utilities */
.center{text-align:center}
.btn-row{display:flex;flex-wrap:wrap;gap:1rem}
.btn-row.center{justify-content:center}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.stack-sm>*+*{margin-top:1rem}
.pill-strip{display:flex;flex-wrap:wrap;gap:.6rem}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav{display:none}
  .burger{display:flex}
}
@media (max-width:760px){
  .grid-2{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(6,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .head-cta span{display:none}
  .head-cta{padding:.8em}
  .head-ig{display:none}
  .brand img{height:26px}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .bento{grid-template-columns:repeat(2,1fr)}
}