:root{
  --crimson:#C1121F; --crimson-dark:#8E0D17; --ink:#1A1A1A; --marble:#F7F3EF; --pink:#F5B5B8;
  --text:#2A2A2A; --muted:#6F6F6F; --rule:#E7DFD8;
  --serif:"Zen Old Mincho","Noto Serif JP","Yu Mincho","YuMincho","Hiragino Mincho ProN",serif;
  --sans:"Noto Sans JP","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:#fff;color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.9;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:var(--crimson)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:var(--ink);height:64px;display:flex;align-items:center}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.site-header .logo img{height:44px;width:auto}
.site-nav{display:flex;gap:22px;font-size:14px}
.site-nav a{color:#eee;text-decoration:none;letter-spacing:.05em}
.site-nav a:hover{color:var(--pink)}
.header-tel{color:#fff;text-decoration:none;background:var(--crimson);padding:7px 14px;border-radius:4px;font-size:14px;white-space:nowrap}
@media (max-width:860px){.site-nav{display:none}}

/* hero */
.hero{position:relative;min-height:clamp(520px,78vh,820px);display:flex;align-items:center;color:#fff;background:#111 url(img/hero.jpg) center 55%/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.72) 0%,rgba(0,0,0,.45) 55%,rgba(0,0,0,.2) 100%)}
.hero .wrap{position:relative;width:100%}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(38px,6.4vw,76px);line-height:1.35;margin:0 0 18px;letter-spacing:.04em}
.hero p{font-size:clamp(15px,1.8vw,19px);margin:0 0 28px;color:#f1eaea}
.btn{display:inline-block;background:var(--crimson);color:#fff;text-decoration:none;padding:14px 28px;border-radius:4px;font-size:17px;letter-spacing:.05em}
.btn:hover{background:var(--crimson-dark)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.7);margin-left:10px}
@media (max-width:640px){.hero{background-image:url(img/hero-sp.jpg);min-height:clamp(560px,82vh,760px)}.btn-ghost{margin:10px 0 0}}

/* sections */
section{padding:72px 0}
section.alt{background:var(--marble)}
h2{font-family:var(--serif);color:var(--crimson);font-size:clamp(26px,3.4vw,34px);font-weight:700;margin:0 0 28px;letter-spacing:.06em}
h3{font-family:var(--serif);color:var(--crimson);font-size:22px;margin:16px 0 6px}
.lead{font-size:18px;max-width:780px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
@media (max-width:760px){.cards{grid-template-columns:1fr}}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card h3{text-align:center}

/* price */
.price{border-collapse:collapse;width:100%;max-width:640px;font-size:17px}
.price th,.price td{border-bottom:1px solid var(--rule);padding:14px 8px;text-align:left;vertical-align:top}
.price th{font-weight:500;width:46%}
.price tr.budget th,.price tr.budget td{font-weight:700;color:var(--ink)}
.note{color:var(--muted);font-size:15px;margin-top:14px}

/* rules */
.rules{position:relative;color:#fff;background:#111 url(img/counter.jpg) center/cover no-repeat}
.rules::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.66)}
.rules .wrap{position:relative}
.rules h2{color:#fff}
.rules ol{padding-left:1.4em;margin:16px 0}
.rules li{margin:6px 0}

/* faq */
.faq details{border-bottom:1px solid var(--rule);padding:14px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;position:relative;padding-right:28px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";position:absolute;right:0;color:var(--crimson)}
.faq details[open] summary::after{content:"－"}
.faq details p{margin:10px 0 0}

/* access */
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
@media (max-width:760px){.access-grid{grid-template-columns:1fr}}
.map{width:100%;aspect-ratio:4/3;border:0}
.info dt{font-weight:700;margin-top:10px}
.info dd{margin:0 0 4px}

/* news */
.news-list{list-style:none;padding:0;margin:0}
.news-list li{border-bottom:1px solid var(--rule);padding:14px 0;display:flex;gap:18px;flex-wrap:wrap}
.news-list time{color:var(--muted);font-size:15px;min-width:96px}
.news-list a{color:var(--text);text-decoration:none}
.news-list a:hover{color:var(--crimson)}
article.post{max-width:760px}
article.post img{margin:20px 0}

/* english */
.english{font-family:"Noto Sans",var(--sans)}
.english ul{padding-left:1.2em}

/* footer */
footer{background:var(--ink);color:#ccc;padding:40px 0;font-size:14px}
footer img{height:40px;width:auto;margin-bottom:12px}
footer a{color:#eee}