@import url('https://fonts.googleapis.com/css2?family=Jost:wght@400;500&family=Noto+Sans+JP:wght@400;500&family=Noto+Serif+JP:wght@400;500&display=swap');

:root{
  --ink:#191816;
  --soft:#625d55;
  --gold:#a98a43;
  --gold-dark:#806729;
  --paper:#fff;
  --warm:#f5f3ef;
  --line:#d8d2c8;
  --header:82px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  color:var(--ink);
  background:var(--paper);
  font-family:'Noto Sans JP',sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.container{width:min(1120px,calc(100% - 48px));margin:0 auto}
.section{padding:88px 0}
.section-alt{background:var(--warm)}
.eyebrow{
  color:var(--gold-dark);
  font-family:'Jost',sans-serif;
  font-size:.74rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-title{
  font-family:'Noto Serif JP',serif;
  font-size:clamp(1.8rem,3vw,2.5rem);
  font-weight:500;
  line-height:1.5;
  margin-bottom:38px;
}
.section-intro{
  max-width:760px;
  color:var(--soft);
  font-size:1rem;
  margin:-18px 0 40px;
}

.site-header{
  position:fixed;
  inset:0 0 auto;
  z-index:20;
  height:var(--header);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 42px;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.24);
  transition:background .2s,color .2s,box-shadow .2s;
}
.site-header.scrolled{background:rgba(255,255,255,.97);color:var(--ink);box-shadow:0 2px 16px rgba(0,0,0,.08)}
.brand{font-family:'Noto Serif JP',serif;font-size:1.05rem;line-height:1.25}
.brand small{display:block;font-family:'Jost',sans-serif;font-size:.56rem;letter-spacing:.28em;color:var(--gold);margin-top:4px}
.desktop-nav{display:flex;align-items:center;gap:28px;font-size:.82rem;font-weight:500}
.desktop-nav a{padding:8px 0}
.nav-reserve{border:1px solid currentColor;padding:10px 18px!important}
.menu-button{display:none;width:44px;height:44px;border:0;background:transparent;color:inherit;cursor:pointer}
.menu-button span{display:block;width:25px;height:1px;background:currentColor;margin:6px auto}
.mobile-menu{display:none}

.hero{
  position:relative;
  min-height:760px;
  height:94svh;
  display:flex;
  align-items:center;
  color:#fff;
  background:#050607;
  overflow:hidden;
}
.hero-picture{display:none}
.hero-picture,.hero-picture img,.hero-video{position:absolute;inset:0;width:100%;height:100%}
.hero-picture img{object-fit:cover;object-position:center center;filter:brightness(.55) contrast(.98) saturate(.78);transform:scale(1.01)}
.hero-video{
  display:block;
  left:auto;
  right:0;
  top:50%;
  bottom:auto;
  width:min(50vw,960px);
  height:auto;
  aspect-ratio:4/3;
  transform:translateY(-50%);
  object-fit:cover;
  object-position:center center;
  filter:brightness(1.04) contrast(1.01) saturate(1.02);
  border:0;
  box-shadow:none;
  -webkit-mask-image:radial-gradient(ellipse at center,#000 0%,#000 58%,rgba(0,0,0,.88) 70%,rgba(0,0,0,.42) 84%,transparent 100%);
  mask-image:radial-gradient(ellipse at center,#000 0%,#000 58%,rgba(0,0,0,.88) 70%,rgba(0,0,0,.42) 84%,transparent 100%);
}
.hero::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(8,13,19,.48) 0%,rgba(8,13,19,.24) 45%,rgba(8,13,19,.03) 74%),
             linear-gradient(0deg,rgba(8,10,12,.26),transparent 45%);
}
.hero-content{position:relative;z-index:2;width:min(1120px,calc(100% - 80px));margin:60px auto 0}
.hero-kicker{font-family:'Jost',sans-serif;font-size:.82rem;letter-spacing:.28em;color:#e0c477;text-transform:uppercase;margin-bottom:20px}
.hero h1{
  max-width:590px;
  font-family:'Noto Serif JP',serif;
  font-size:clamp(2.7rem,4.6vw,4rem);
  font-weight:500;
  line-height:1.35;
  margin-bottom:32px;
  text-shadow:0 2px 22px rgba(0,0,0,.25);
}
.hero-menu{
  display:flex;
  flex-wrap:wrap;
  max-width:590px;
  border-top:1px solid rgba(255,255,255,.45);
  padding-top:22px;
  gap:9px 0;
}
.hero-menu a,.hero-menu span{font-size:.9rem;line-height:1.6}
.hero-menu a::after,.hero-menu span::after{content:'/';padding:0 14px;color:#d7bd78}
.hero-menu a:last-child::after,.hero-menu span:last-child::after{display:none}
.hero-actions{display:flex;gap:12px;margin-top:34px}
.button{
  min-height:52px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 25px;
  border:1px solid var(--gold);
  background:var(--gold);
  color:#fff;
  font-weight:500;
}
.button-secondary{background:transparent;border-color:#fff}

.audience{border-bottom:1px solid var(--line)}
.audience-inner{display:grid;grid-template-columns:240px 1fr;gap:64px;align-items:start}
.audience-label{font-family:'Noto Serif JP',serif;font-size:1.3rem;color:var(--gold-dark)}
.audience h2{font-family:'Noto Serif JP',serif;font-size:clamp(1.7rem,3vw,2.4rem);font-weight:500;line-height:1.65;margin-bottom:18px}
.audience p{color:var(--soft);max-width:760px}
.concept-copy{display:grid;gap:15px}
.concept-copy .concept-closing{margin-top:5px;color:var(--ink);font-family:'Noto Serif JP',serif;font-size:1.08rem;font-weight:500}

.treatment-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.treatment-item{
  min-height:78px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:19px 22px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff;
  font-family:'Noto Serif JP',serif;
  font-size:1.04rem;
}
a.treatment-item:hover{background:#fbfaf7}
.treatment-item .arrow{color:var(--gold-dark);font-family:'Jost',sans-serif}
.treatment-item.is-static{color:#4d4943}

.facility-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;grid-auto-flow:dense;gap:12px}
.facility-grid figure{position:relative;overflow:hidden;min-height:0;background:#171513}
.facility-grid figure.is-featured{grid-column:span 2;grid-row:span 2}
.facility-grid figure.is-wide{grid-column:span 2}
.facility-grid figure.is-portrait{grid-row:span 2}
.facility-grid img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.facility-grid .is-sign img{object-fit:cover}
.facility-grid figcaption{position:absolute;left:0;bottom:0;padding:13px 16px;background:rgba(20,18,15,.75);color:#fff;font-size:.78rem}

.doctor-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.doctor-card{padding:30px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.doctor-role{color:var(--gold-dark);font-size:.8rem;font-weight:500;margin-bottom:8px}
.doctor-card h3{font-family:'Noto Serif JP',serif;font-size:1.35rem;font-weight:500;margin-bottom:16px}
.doctor-summary{color:var(--soft);font-size:.92rem;margin-bottom:20px}
.doctor-career{list-style:none;border-top:1px solid var(--line);padding-top:15px}
.doctor-career li{position:relative;padding-left:15px;color:#4f4b45;font-size:.82rem;line-height:1.9}
.doctor-career li::before{content:'';position:absolute;left:0;top:.77em;width:5px;height:5px;border:1px solid var(--gold);transform:rotate(45deg)}

.plan-box{border:1px solid var(--line);padding:26px;background:#fff}
.plan-box strong{display:block;font-family:'Noto Serif JP',serif;font-size:1.15rem;margin:5px 0 8px}
.plan-box p{color:var(--soft);font-size:.86rem}

.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;padding:21px 42px 21px 0;font-weight:500;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';position:absolute;right:6px;top:18px;color:var(--gold-dark);font-size:1.3rem}
.faq-list details[open] summary::after{content:'−'}
.faq-list p{padding:0 0 22px;color:var(--soft);font-size:.93rem}

.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.clinic-info{border-top:1px solid var(--line)}
.clinic-info div{display:grid;grid-template-columns:120px 1fr;padding:15px 0;border-bottom:1px solid var(--line)}
.clinic-info dt{font-weight:500}
.clinic-info dd{color:var(--soft)}
.map{min-height:420px}
.map iframe{width:100%;height:100%;border:0}

.contact-grid{display:grid;grid-template-columns:320px 1fr;gap:64px}
.contact-phone{font-family:'Jost',sans-serif;font-size:2rem;line-height:1.2;margin:12px 0}
.contact-hours{color:var(--soft);font-size:.9rem}
.reservation-form{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full,.privacy-check,.form-note,.form-submit{grid-column:1/-1}
.form-field label{font-size:.85rem;font-weight:500}
.req{color:#9b372d;font-size:.7rem;margin-left:7px}
.form-field input,.form-field select,.form-field textarea{
  width:100%;
  border:1px solid #bdb7ad;
  border-radius:0;
  background:#fff;
  padding:12px 13px;
  color:var(--ink);
}
.form-field textarea{min-height:140px;resize:vertical}
.privacy-check{display:flex;align-items:flex-start;gap:10px;font-size:.82rem;color:var(--soft)}
.privacy-check input{margin-top:7px}
.form-note{font-size:.8rem;color:var(--soft)}
.form-submit button{width:220px;min-height:54px;border:0;background:var(--ink);color:#fff;cursor:pointer}
.form-status{grid-column:1/-1;padding:14px;border:1px solid var(--line);background:#fff}

.site-footer{background:#171614;color:#e8e5df;padding:52px 0 110px}
.footer-top{display:flex;justify-content:space-between;gap:40px}
.footer-brand{font-family:'Noto Serif JP',serif;font-size:1.12rem}
.footer-brand small{display:block;font-family:'Jost',sans-serif;font-size:.62rem;letter-spacing:.25em;color:#c1a35d;margin-top:5px}
.footer-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 24px;font-size:.78rem;color:#c9c5bd}
.copyright{margin-top:38px;padding-top:22px;border-top:1px solid #393631;font-size:.7rem;color:#8f8a82}
.mobile-cta{display:none}

@media(max-width:1100px){
  .hero-picture img{filter:brightness(.8) contrast(.99) saturate(.9);transform:none}
  .hero-video{inset:0;width:100%;height:100%;aspect-ratio:auto;transform:none;border:0;box-shadow:none;-webkit-mask-image:none;mask-image:none}
}

@media(max-width:900px){
  :root{--header:70px}
  .site-header{padding:0 22px}
  .desktop-nav{display:none}
  .menu-button{display:block}
  .mobile-menu{display:none;position:fixed;inset:var(--header) 0 auto;background:#fff;color:var(--ink);padding:18px 24px 26px;border-bottom:1px solid var(--line)}
  .mobile-menu.open{display:grid}
  .mobile-menu a{padding:11px 0;border-bottom:1px solid var(--line);font-size:.9rem}
  .hero{min-height:700px;height:92svh}
  .hero-content{width:min(100% - 44px,720px);margin-top:45px}
  .hero h1{font-size:clamp(2.25rem,9vw,3.5rem)}
  .hero-menu{max-width:620px}
  .hero-picture img{filter:brightness(.8) contrast(.99) saturate(.9);transform:none}
  .hero-video{inset:0;width:100%;height:100%;aspect-ratio:auto;transform:none;border:0;box-shadow:none}
  .audience-inner{grid-template-columns:1fr;gap:18px}
  .facility-grid{grid-template-columns:1fr 1fr;grid-auto-rows:240px}
  .facility-grid figure.is-featured,.facility-grid figure.is-wide{grid-column:span 2}
  .facility-grid figure.is-featured{grid-row:span 2}
  .access-grid,.contact-grid{grid-template-columns:1fr}
  .map{min-height:360px}
}

@media(max-width:640px){
  body{font-size:16px;line-height:1.85}
  .container{width:calc(100% - 36px)}
  .section{padding:64px 0}
  .site-header{padding:0 18px}
  .brand{font-size:.94rem}
  .hero{min-height:720px;height:94svh;align-items:flex-end;padding-bottom:92px}
  .hero-picture img,.hero-video{object-position:center center}
  .hero::after{background:linear-gradient(0deg,rgba(7,9,11,.72) 0%,rgba(7,9,11,.42) 62%,rgba(7,9,11,.08) 100%)}
  .hero-content{width:calc(100% - 36px);margin:0 auto}
  .hero-kicker{font-size:.68rem;letter-spacing:.2em;margin-bottom:14px}
  .hero h1{font-size:2.25rem;line-height:1.45;margin-bottom:22px}
  .hero-menu{display:flex;padding-top:15px;gap:5px 0}
  .hero-menu a,.hero-menu span{display:inline-block;font-size:.74rem;white-space:nowrap}
  .hero-menu a::after,.hero-menu span::after{padding:0 6px}
  .hero-actions{margin-top:24px}
  .button{min-height:48px;padding:0 16px;font-size:.88rem;flex:1}
  .section-title{font-size:1.75rem;margin-bottom:30px}
  .audience h2{font-size:1.55rem}
  .treatment-grid{grid-template-columns:1fr}
  .treatment-item{min-height:68px;padding:16px;font-size:.98rem}
  .facility-grid{display:grid;grid-template-columns:1fr;grid-auto-rows:auto;gap:8px}
  .facility-grid figure,.facility-grid figure.is-featured,.facility-grid figure.is-wide,.facility-grid figure.is-portrait{grid-column:auto;grid-row:auto;min-height:0;aspect-ratio:4/3}
  .facility-grid figure.is-portrait{aspect-ratio:3/4}
  .doctor-grid{grid-template-columns:1fr}
  .doctor-card{padding:24px 20px}
  .access-grid,.contact-grid{gap:34px}
  .clinic-info div{grid-template-columns:92px 1fr;font-size:.9rem}
  .reservation-form{grid-template-columns:1fr}
  .form-field.full,.privacy-check,.form-note,.form-submit{grid-column:auto}
  .form-submit button{width:100%}
  .footer-top{display:block}
  .footer-links{justify-content:flex-start;margin-top:26px}
  .mobile-cta{
    display:grid;
    position:fixed;
    z-index:30;
    left:10px;
    right:10px;
    bottom:9px;
    grid-template-columns:1fr 1fr;
    background:#fff;
    padding:6px;
    box-shadow:0 2px 18px rgba(0,0,0,.22);
  }
  .mobile-cta a{min-height:48px;display:flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;font-size:.86rem}
  .mobile-cta a:last-child{background:var(--gold)}
}