:root{--bg:#fdfbf7;--ink:#2b2925;--muted:#7c7565;--line:#ece7dd;--accent:#8C2D1B;--gold:#e7c98a;--dark:#17130e;--card:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,'Helvetica Neue','Hiragino Sans','Noto Sans JP','PingFang SC','Noto Sans SC',Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.serif{font-family:'EB Garamond',Georgia,serif;font-weight:500}
/* language toggle */
.l-jp,.l-zh{display:none!important}
html[data-lang="jp"] .l-en,html[data-lang="jp"] .l-zh{display:none!important}
html[data-lang="jp"] .l-jp{display:revert!important}
html[data-lang="zh"] .l-en,html[data-lang="zh"] .l-jp{display:none!important}
html[data-lang="zh"] .l-zh{display:revert!important}
#lang-sw{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;line-height:1}
#lang-sw a{cursor:pointer;text-decoration:none;font-size:22px;line-height:1;opacity:.45;filter:grayscale(1);transition:opacity .15s,filter .15s}
#lang-sw a:hover{opacity:.85;filter:grayscale(0)}
html[data-lang="en"] #lang-sw a[data-l="en"],html[data-lang="jp"] #lang-sw a[data-l="jp"],html[data-lang="zh"] #lang-sw a[data-l="zh"]{opacity:1;filter:grayscale(0)}
/* nav */
.nav{position:sticky;top:0;z-index:100;background:rgba(253,251,247,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.nav .in{max-width:1180px;margin:0 auto;padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-family:'EB Garamond',Georgia,serif;font-size:21px;color:var(--ink);text-decoration:none;white-space:nowrap;line-height:1.15}
.brand small{display:block;font-family:-apple-system,'Helvetica Neue',Arial,sans-serif;font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.nright{display:flex;align-items:center;gap:18px;min-width:0}
.nav .links{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:flex-end}
.nav .links a{color:#3f3b34;text-decoration:none;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}
.nav .links a:hover{color:var(--accent)}
.nav a.book{background:var(--accent);color:#fff;padding:9px 18px;border-radius:30px;letter-spacing:.06em}
.nav a.book:hover{color:#fff;opacity:.9}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:7px 11px;font-size:17px;line-height:1;color:var(--ink);cursor:pointer}
/* メニューが1行に収まらない幅はハンバーガー（それ以外は常に1行表示） */
@media(max-width:980px){
.nav .in{padding:0 18px;height:58px}
.brand{font-size:19px}
.menu-btn{display:inline-block}
.nav .links{display:none;position:absolute;top:100%;left:0;right:0;background:rgba(253,251,247,.98);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:6px 0 14px;box-shadow:0 14px 30px rgba(0,0,0,.08)}
.nav.open .links{display:flex}
.nav .links a{width:100%;padding:12px 22px;font-size:13.5px}
.nav .links a.book{width:auto;margin:10px 22px 0;padding:11px 22px}
}
/* hero */
.hero{position:relative;min-height:480px;display:flex;align-items:center;background-size:cover;background-position:center right;color:#fff}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,17,13,.85) 0%,rgba(20,17,13,.58) 40%,rgba(20,17,13,.15) 72%,rgba(20,17,13,0) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;width:100%}
.hero .hin{max-width:600px}
.eyebrow{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin:0 0 18px}
.hero h1{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:52px;line-height:1.1;margin:0 0 18px;color:#fff}
.hero .lead{font-size:17px;line-height:1.75;color:#efe9df;margin:0 0 28px}
.btn{display:inline-block;background:#fff;color:var(--ink);text-decoration:none;font-size:14px;padding:13px 26px;border-radius:40px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,0,0,.25)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);margin-left:10px}
.btn.solid{background:var(--accent);color:#fff}
/* sections */
.sect{max-width:1180px;margin:0 auto;padding:64px 28px}
.sect-h{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-weight:600;border-bottom:1.5px solid var(--line);padding-bottom:12px;margin:0 0 10px}
.sect-t{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:34px;margin:0 0 10px}
.sect-d{color:var(--muted);max-width:680px;margin:0 0 30px;font-size:15.5px}
/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(300px,100%),1fr));gap:22px}
.tcard{display:flex;flex-direction:column;background:var(--card);border:.5px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.tcard:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.09)}
.tcard .ph{position:relative;aspect-ratio:3/2;overflow:hidden}
.tcard .ph img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:12px;left:12px;background:rgba(23,19,14,.82);color:var(--gold);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;padding:6px 11px;border-radius:20px}
.badge.now{background:var(--accent);color:#fff}
.tcard .bd{padding:18px 20px 20px;display:flex;flex-direction:column;gap:7px;flex:1}
.tcard h3{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:21px;margin:0;line-height:1.25}
html[data-lang="jp"] .tcard h3,html[data-lang="zh"] .tcard h3{font-family:inherit;font-size:18.5px;font-weight:600}
.tcard .meta{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.tcard .cdates{font-size:12px;color:var(--accent);letter-spacing:.02em;font-weight:600}
.sbox .sdates{display:block;margin-top:8px;padding-top:8px;border-top:1px dashed #ecd9ae}
.tcard .desc{font-size:13.5px;color:var(--muted);line-height:1.55;margin:2px 0 0}
.tcard .price{margin-top:auto;padding-top:10px;font-size:14.5px;color:var(--ink)}
.tcard .price b{color:var(--accent);font-size:16px}
.s-hidden{display:none!important}
.more-seasons{display:block;margin:26px auto 0;background:#fff;border:1px solid var(--line);border-radius:30px;padding:12px 28px;font-size:13.5px;color:var(--ink);cursor:pointer;transition:border-color .15s,color .15s}
.more-seasons:hover{border-color:var(--accent);color:var(--accent)}
/* month strip */
.mstrip{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.mcell{background:var(--card);border:.5px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.mcell:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.08)}
.mcell .m{font-family:'EB Garamond',Georgia,serif;font-size:18px}
.mcell .w{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-top:2px}
.mcell.now{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
/* why */
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.why .w{background:var(--card);border:.5px solid var(--line);border-radius:14px;padding:26px}
.why h3{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:22px;margin:0 0 8px}
html[data-lang="jp"] .why h3,html[data-lang="zh"] .why h3{font-family:inherit;font-size:19px;font-weight:600}
.why p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}
/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-size:16px;padding:14px 0;font-weight:600;list-style:none;position:relative;padding-right:30px}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;color:var(--accent);font-size:20px;font-weight:400}
.faq details[open] summary::after{content:"\2212"}
.faq .a{color:var(--muted);font-size:14.5px;padding:0 0 16px;max-width:760px}
/* detail page */
.crumb{font-size:12.5px;color:var(--muted);padding:22px 0 0}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent)}
.dhead{padding:14px 0 26px}
.dhead h1{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:40px;line-height:1.15;margin:8px 0 14px;max-width:820px}
html[data-lang="jp"] .dhead h1,html[data-lang="zh"] .dhead h1{font-family:inherit;font-size:32px;font-weight:600;line-height:1.3}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12px;letter-spacing:.05em;background:#fff;border:1px solid var(--line);border-radius:20px;padding:6px 13px;color:#5c564b}
.chip.season{background:var(--accent);border-color:var(--accent);color:#fff}
.dimg{border-radius:16px;overflow:hidden;height:clamp(220px,32vw,420px)}
.dimg img{width:100%;height:100%;object-fit:cover}
.dcols{display:grid;grid-template-columns:1fr 340px;gap:44px;padding-top:40px}
@media(max-width:860px){.dcols{grid-template-columns:1fr}}
.dmain p{font-size:15.5px;line-height:1.8;margin:0 0 18px;max-width:66ch}
.dmain h2{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:26px;margin:34px 0 14px}
html[data-lang="jp"] .dmain h2,html[data-lang="zh"] .dmain h2{font-family:inherit;font-size:21px;font-weight:600}
.hl{list-style:none;margin:0;padding:0}
.hl li{position:relative;padding:7px 0 7px 26px;font-size:15px}
.hl li::before{content:"";position:absolute;left:2px;top:15px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.twocol{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:640px){.twocol{grid-template-columns:1fr}}
.inc h3{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.inc ul{list-style:none;margin:0;padding:0}
.inc li{padding:5px 0 5px 24px;position:relative;font-size:14px}
.inc.yes li::before{content:"\2713";position:absolute;left:0;color:#3d7a45}
.inc.no li::before{content:"\2715";position:absolute;left:0;color:#b0a99b}
.know li{font-size:14px;color:#5c564b;padding:6px 0 6px 24px;position:relative;list-style:none}
.know li::before{content:"\2013";position:absolute;left:2px;color:var(--accent)}
.know{margin:0;padding:0}
/* booking box */
.bbox{position:sticky;top:88px;background:var(--card);border:.5px solid var(--line);border-radius:16px;padding:26px;height:fit-content}
.bbox .p{font-size:26px;font-family:'EB Garamond',Georgia,serif;color:var(--ink);margin:0}
.bbox .p b{color:var(--accent);font-weight:500}
.bbox .pn{font-size:12.5px;color:var(--muted);margin:2px 0 16px}
.bbox .row{display:flex;justify-content:space-between;font-size:13.5px;padding:8px 0;border-top:1px solid var(--line);gap:14px}
.bbox .row span:first-child{color:var(--muted);flex-shrink:0}
.bbox .row span:last-child{text-align:right}
.bbox .btn{display:block;text-align:center;margin-top:16px}
.bbox .fine{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.5}
.sbox{background:#fbf3e4;border:1px solid #ecd9ae;border-radius:12px;padding:14px 16px;font-size:13.5px;margin:0 0 18px;color:#6b5316}
.sbox b{color:var(--accent)}
/* seasons page */
.month{border-top:1px solid var(--line);padding:34px 0}
.month h2{font-family:'EB Garamond',Georgia,serif;font-weight:500;font-size:28px;margin:0}
.month .w{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.month p{color:var(--muted);max-width:620px;font-size:15px}
.month .links{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.month .links a{font-size:13.5px;text-decoration:none;border:1px solid var(--line);background:#fff;border-radius:20px;padding:7px 15px;color:var(--ink)}
.month .links a:hover{border-color:var(--accent);color:var(--accent)}
.month .mdate{font-size:13px;color:#5c564b;margin:10px 0 0;max-width:none}
.month .mdate b{color:var(--ink);font-weight:600}
/* footer */
footer{background:var(--dark);color:#cbc3b6;margin-top:70px}
footer .in{max-width:1180px;margin:0 auto;padding:60px 28px 36px;display:grid;grid-template-columns:1.7fr 1fr 1.2fr;gap:40px}
@media(max-width:760px){footer .in{grid-template-columns:1fr;gap:30px}}
footer .bm{font-family:'EB Garamond',Georgia,serif;font-size:24px;color:#fff;margin:0 0 12px}
footer .tag{font-size:14px;line-height:1.7;color:#a59c8d;max-width:340px;margin:0}
footer h4{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#857c6d;margin:0 0 14px;font-weight:600}
footer a{color:#cbc3b6;text-decoration:none;font-size:14px;display:block;margin:0 0 10px}
footer a:hover{color:#fff}
footer .addr{font-size:13px;line-height:1.75;color:#857c6d;margin:6px 0 0}
footer .bot{border-top:1px solid #2c2620;max-width:1180px;margin:0 auto;padding:18px 28px 42px;font-size:12px;color:#6f685c;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
/* ---- mobile ---- */
@media(max-width:600px){
.wrap{padding:0 18px}
.sect{padding:44px 18px}
.sect-t{font-size:26px}
.sect-d{font-size:14.5px}
.hero{min-height:400px}
.hero .wrap{padding-top:44px;padding-bottom:44px}
.hero h1{font-size:36px}
.hero .lead{font-size:15px;line-height:1.7}
.hero::after{background:linear-gradient(180deg,rgba(20,17,13,.55) 0%,rgba(20,17,13,.75) 100%)}
.btn{padding:12px 20px;font-size:13.5px}
.btn.ghost{margin-left:6px}
.grid{gap:16px}
.tcard .ph{aspect-ratio:16/9}
.mstrip{grid-template-columns:repeat(2,1fr)}
.dhead h1{font-size:28px}
html[data-lang="jp"] .dhead h1,html[data-lang="zh"] .dhead h1{font-size:24px}
.dimg{height:clamp(180px,52vw,260px);border-radius:12px}
.dcols{gap:28px;padding-top:26px}
.dmain p{font-size:15px}
.bbox{position:static;padding:20px}
.month{padding:26px 0}
.month h2{font-size:24px}
footer .in{padding:44px 18px 28px}
}
@media(max-width:380px){.mstrip{grid-template-columns:1fr}}