/* ============================================================
   はしびろ歯科医院  -  style.css  (Luxury Renewal)
   ============================================================ */
:root{
  --ink:        #141210;   /* 漆黒 */
  --ink-2:      #1c1916;
  --ink-3:      #262220;
  --gold:       #c2a066;   /* シャンパンゴールド */
  --gold-l:     #ddc38c;
  --gold-dim:   rgba(194,160,102,.35);
  --ivory:      #f6f2ea;
  --ivory-2:    #efe9dd;
  --stone:      #d8d2c6;
  --wine:       #6e2431;   /* 深い臙脂 */
  --wine-d:     #571b26;
  --text:       #38332d;
  --text-light: #ece7dd;
  --serif-jp: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --serif-en: "Cormorant Garamond", serif;
  --maxw: 1020px;
  --ease-out: cubic-bezier(.22,.61,.36,1);
}

*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:80px; }
html,body{ overflow-x:hidden; }
body{
  font-family: var(--serif-jp);
  color: var(--text);
  line-height: 2;
  background: var(--ivory);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }

/* ============================================================
   Reveal (scroll-in) animation
   ============================================================ */
.reveal{
  opacity:0;
  transform:translateY(32px);
  transition:opacity 1s var(--ease-out), transform 1s var(--ease-out);
  will-change:opacity,transform;
}
.reveal.on{ opacity:1; transform:none; }
.reveal.delay-1{ transition-delay:.15s; }
.reveal.delay-2{ transition-delay:.3s; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  *,*::before,*::after{ animation:none !important; transition:none !important; }
}

/* ---------- photo placeholders ---------- */
.ph{
  position:relative;
  display:flex; align-items:center; justify-content:center;
  font-size:3rem;
  background:
    radial-gradient(ellipse at 30% 20%, #efeae0 0%, #d9d3c7 55%, #c4bdb0 100%);
  color:#fff;
  overflow:hidden;
}
.ph[src]{
  display:block;
  object-fit:cover;
  object-position:center;
  font-size:0;
}
.photo-note{
  position:absolute; bottom:8px; left:50%; transform:translateX(-50%);
  font-family:var(--serif-jp);
  font-size:.6rem; letter-spacing:.12em;
  background:rgba(20,18,16,.55); color:var(--ivory);
  padding:3px 12px; white-space:nowrap;
}

/* gold hairline frame around photos */
.ph-frame{
  position:relative; padding:0; overflow:hidden;
}
.ph-frame::after{
  content:""; position:absolute; inset:10px;
  border:1px solid rgba(255,255,255,.55);
  pointer-events:none; z-index:2;
  transition:inset .5s var(--ease-out), border-color .5s;
}
.ph-frame:hover::after{ inset:16px; border-color:var(--gold-l); }
.ph-frame .ph{ transition:transform 1.4s var(--ease-out); }
.ph-frame:hover .ph{ transform:scale(1.05); }
.gold-frame::after{ border-color:var(--gold-dim); }

/* ============================================================
   Section headings
   ============================================================ */
.sec-head{
  display:flex; flex-direction:column; align-items:center;
  margin-bottom:64px; text-align:center;
}
.sec-head.left{ align-items:flex-start; text-align:left; margin-bottom:34px; }
.sec-label{
  font-family:var(--serif-en);
  font-size:.8rem; font-weight:400; letter-spacing:.5em; text-indent:.5em;
  color:var(--gold); text-transform:uppercase;
  margin-bottom:14px;
}
.sec-en{
  font-family:var(--serif-en);
  font-size:2.6rem; font-weight:400; letter-spacing:.08em;
  color:var(--ink);
}
.sec-en.on-dark{ color:var(--ivory); }
.sec-en.small{ font-size:1.7rem; }
.sec-jp{
  font-family:var(--serif-jp);
  font-size:1.7rem; font-weight:500; letter-spacing:.24em; text-indent:.24em;
  line-height:1.7;
}
.sec-line{
  display:block; width:0; height:1px;
  background:linear-gradient(90deg, transparent, var(--gold) 30%, var(--gold) 70%, transparent);
  margin-top:22px;
  transition:width 1.2s var(--ease-out) .3s;
}
.sec-head.on .sec-line,
.reveal.on .sec-line{ width:110px; }
.sec-head.left .sec-line{ background:linear-gradient(90deg, var(--gold), transparent); }
.sec-head.left.on .sec-line{ width:80px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  color:var(--text-light);
  background:linear-gradient(180deg, rgba(10,9,8,.72), rgba(10,9,8,0));
  transition:background .5s, box-shadow .5s;
}
.site-header.scrolled{
  background:rgba(16,14,12,.92);
  backdrop-filter:blur(8px);
  box-shadow:0 1px 0 rgba(194,160,102,.25), 0 10px 30px rgba(0,0,0,.35);
}
.header-inner{
  max-width:1220px; margin:0 auto;
  display:flex; align-items:center; gap:28px;
  padding:12px 0 12px 24px;
}
.logo{ display:flex; align-items:center; flex:none; }
.logo-img{
  height:46px; width:auto;
  background:#fff; padding:4px 8px; border-radius:2px; flex:none;
  box-shadow:0 2px 10px rgba(0,0,0,.3);
}

.global-nav{ margin-left:auto; }
.global-nav ul{ display:flex; gap:34px; }
.global-nav a{
  font-size:.85rem; letter-spacing:.14em; position:relative; padding:6px 0;
  transition:color .3s;
}
.global-nav a::after{
  content:""; position:absolute; left:0; bottom:0;
  width:100%; height:1px; background:var(--gold-l);
  transform:scaleX(0); transform-origin:right;
  transition:transform .45s var(--ease-out);
}
.global-nav a:hover{ color:var(--gold-l); }
.global-nav a:hover::after{ transform:scaleX(1); transform-origin:left; }

.header-contact{
  align-self:stretch;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:3px;
  background:linear-gradient(135deg, var(--wine), var(--wine-d));
  color:var(--ivory);
  padding:14px 24px; min-width:84px;
  position:relative; overflow:hidden;
}
.header-contact::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(135deg, var(--gold), var(--gold-l));
  transform:translateY(100%);
  transition:transform .45s var(--ease-out);
}
.header-contact:hover::before{ transform:translateY(0); }
.header-contact:hover{ color:var(--ink); }
.header-contact span{ position:relative; z-index:1; }
.contact-icon{ font-size:1.05rem; }
.contact-label{ font-size:.6rem; letter-spacing:.14em; }

.nav-toggle{ display:none; }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative; height:100vh; min-height:560px;
  background:var(--ink); overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  animation:kenburns 22s var(--ease-out) infinite alternate;
}
@keyframes kenburns{
  from{ transform:scale(1); }
  to{ transform:scale(1.08) translateY(-1.5%); }
}
.hero-photo{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  font-size:7rem;
  background:
    radial-gradient(ellipse at 65% 30%, #57493a 0%, #372e26 45%, #17130f 100%);
  color:rgba(255,255,255,.35);
  width:100%; height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-photo .photo-note{ font-size:.72rem; bottom:160px; }
.hero-veil{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(10,9,8,.5) 0%, rgba(10,9,8,.15) 35%, rgba(10,9,8,.6) 100%);
}
.hero-overlay{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:26px; padding:0 24px;
}
.hero-copy{
  position:relative;
  color:var(--ivory);
  font-size:2rem; font-weight:500;
  letter-spacing:.18em; line-height:2.3;
  text-align:center;
  padding:52px 74px;
  text-shadow:0 2px 24px rgba(0,0,0,.6);
}
/* frame that draws itself */
.hero-copy::before,.hero-copy::after{
  content:""; position:absolute; inset:0; pointer-events:none;
}
.hero-copy::before{
  border-top:1px solid var(--gold-dim);
  border-bottom:1px solid var(--gold-dim);
  transform:scaleX(0);
  animation:drawX 1.6s var(--ease-out) .9s forwards;
}
.hero-copy::after{
  border-left:1px solid var(--gold-dim);
  border-right:1px solid var(--gold-dim);
  transform:scaleY(0);
  animation:drawY 1.6s var(--ease-out) 1.4s forwards;
}
@keyframes drawX{ to{ transform:scaleX(1);} }
@keyframes drawY{ to{ transform:scaleY(1);} }

.hero-line{
  display:block; opacity:0; transform:translateY(26px);
  animation:riseIn 1.4s var(--ease-out) forwards;
}
.hero-line:nth-child(1){ animation-delay:.35s; }
.hero-line:nth-child(2){ animation-delay:.65s; }
@keyframes riseIn{ to{ opacity:1; transform:none; } }

.hero-sub{
  font-family:var(--serif-en);
  font-size:.78rem; letter-spacing:.62em; text-indent:.62em;
  color:var(--gold-l);
  opacity:0; animation:riseIn 1.4s var(--ease-out) 1.15s forwards;
}

.scroll-cue{
  position:absolute; bottom:0; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color:var(--gold-l);
}
.scroll-cue-text{
  font-family:var(--serif-en); font-size:.72rem; letter-spacing:.35em;
}
.scroll-cue-line{
  width:1px; height:72px; position:relative; overflow:hidden;
  background:rgba(221,195,140,.25);
}
.scroll-cue-line::after{
  content:""; position:absolute; top:-100%; left:0;
  width:100%; height:100%;
  background:var(--gold-l);
  animation:scrollDrop 2.2s var(--ease-out) infinite;
}
@keyframes scrollDrop{
  0%{ top:-100%; } 55%{ top:0; } 100%{ top:100%; }
}

/* ============================================================
   ABOUT US
   ============================================================ */
.about{
  background:
    linear-gradient(180deg, var(--ivory-2), var(--ivory) 40%);
  padding:120px 24px 130px;
  position:relative;
}
.about::before{ /* faint gold hairline at top */
  content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:min(90%,1100px); height:1px;
  background:linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}
.about-block{
  max-width:var(--maxw); margin:0 auto 90px;
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}
.about-block:last-child{ margin-bottom:0; }
.about-block.reverse{ direction:rtl; }
.about-block.reverse > *{ direction:ltr; }
.sub-en{
  font-family:var(--serif-en); font-size:1.55rem; font-weight:400;
  letter-spacing:.08em; margin-bottom:26px; color:var(--ink);
  display:flex; align-items:center; gap:16px;
}
.sub-en .dash{
  display:inline-block; width:44px; height:1px; background:var(--gold);
}
.sub-jp{ font-size:1.2rem; letter-spacing:.18em; margin-bottom:20px; font-weight:500; }
.about-text p{ font-size:.92rem; line-height:2.3; color:var(--text); }

.about-images{ position:relative; height:320px; }
.about-images .ph-large{
  position:absolute; top:0; right:0; width:80%; height:78%;
  box-shadow:0 24px 50px rgba(56,45,30,.22);
}
.about-images .ph-small{
  position:absolute; bottom:0; left:0; width:48%; height:48%;
  border:6px solid var(--ivory);
  box-shadow:0 18px 40px rgba(56,45,30,.25);
}
.about-images.single{ height:260px; }
.about-images.single .ph-wide{ width:100%; height:100%;
  box-shadow:0 24px 50px rgba(56,45,30,.22); }

/* ============================================================
   症状別の入り口
   ============================================================ */
.symptoms{
  background:
    radial-gradient(ellipse at 50% 0%, #2a2622 0%, var(--ink) 60%);
  color:var(--text-light);
  padding:110px 24px 120px;
}
.symptoms .sec-jp{ color:var(--ivory); }
.symptom-grid{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:repeat(3,1fr); gap:40px 38px;
}
.symptom-card{
  display:block; text-align:center;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(194,160,102,.18);
  padding:14px 14px 22px;
  transition:transform .5s var(--ease-out), border-color .5s, box-shadow .5s, background .5s;
}
.symptom-card:hover{
  transform:translateY(-8px);
  border-color:var(--gold-dim);
  background:rgba(255,255,255,.05);
  box-shadow:0 22px 44px rgba(0,0,0,.45), 0 0 0 1px rgba(194,160,102,.15) inset;
}
.symptom-card .ph-frame{ margin-bottom:18px; }
.symptom-card .ph{ width:100%; aspect-ratio:3/2; }
.symptom-card p{
  font-size:.92rem; letter-spacing:.08em; line-height:1.7;
}

/* ============================================================
   治療内容
   ============================================================ */
.treatment{
  background:var(--ink-2);
  color:var(--text-light);
  padding:110px 24px 120px;
  position:relative;
}
.treatment::before{
  content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:min(90%,1100px); height:1px;
  background:linear-gradient(90deg, transparent, rgba(194,160,102,.3), transparent);
}
.treatment .sec-jp{ color:var(--ivory); }
.treatment-grid{
  max-width:860px; margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:56px;
}
.treatment-card{ text-align:center; }
.treatment-card .ph-frame{ margin-bottom:30px; box-shadow:0 20px 44px rgba(0,0,0,.4); }
.ph-treat{ width:100%; aspect-ratio:16/9; font-size:4rem; }

/* ---------- luxe line buttons (gold sweep) ---------- */
.btn-line{
  position:relative;
  display:inline-flex; align-items:center; justify-content:center; gap:16px;
  min-width:250px; padding:15px 30px;
  border:1px solid rgba(221,195,140,.55);
  font-size:.9rem; letter-spacing:.16em; color:var(--ivory);
  overflow:hidden;
  transition:color .45s var(--ease-out), border-color .45s;
}
.btn-line::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(120deg, var(--gold), var(--gold-l));
  transform:scaleX(0); transform-origin:right;
  transition:transform .5s var(--ease-out);
}
.btn-line:hover::before{ transform:scaleX(1); transform-origin:left; }
.btn-line:hover{ color:var(--ink); border-color:var(--gold-l); }
.btn-line .btn-txt,.btn-line .btn-arrow{ position:relative; z-index:1; }
.btn-line .btn-arrow{
  color:var(--gold-l); font-size:.65rem;
  transition:transform .45s var(--ease-out), color .45s;
}
.btn-line:hover .btn-arrow{ transform:translateX(5px); color:var(--ink); }
.btn-line.dark{
  color:var(--ink); border-color:rgba(110,90,55,.5);
}
.btn-line.dark .btn-arrow{ color:var(--gold); }
.btn-line.dark:hover{ color:var(--ink); }

/* ============================================================
   院長挨拶
   ============================================================ */
.greeting{
  background:
    linear-gradient(180deg, var(--stone), #cbc4b6);
  color:var(--ink);
  padding:110px 24px 120px;
}
.greeting-inner{
  max-width:900px; margin:0 auto;
  display:grid; grid-template-columns:250px 1fr; gap:60px; align-items:center;
}
.ph-portrait{ width:100%; aspect-ratio:3/4; font-size:4rem; }
.greeting-photo .ph-frame{ box-shadow:0 24px 50px rgba(40,32,20,.3); }
.greeting-name{
  text-align:center; margin-top:18px;
  font-size:1.15rem; letter-spacing:.18em;
}
.greeting-name .role{ font-size:.78rem; color:#6b6154; margin-right:8px; }
.greeting-text p{ font-size:.92rem; line-height:2.3; margin-bottom:32px; }

/* ============================================================
   カウンセリング
   ============================================================ */
.counseling{
  background:
    radial-gradient(ellipse at 50% 100%, #26221e 0%, var(--ink) 65%);
  color:var(--text-light);
  padding:110px 24px 120px;
}
.counseling .sec-jp{ color:var(--ivory); }
.counseling-inner{
  max-width:860px; margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center;
}
.counseling .ph-wide{ width:100%; aspect-ratio:4/3; font-size:4rem; }
.counseling-inner > .ph-frame{ box-shadow:0 20px 44px rgba(0,0,0,.4); }
.counseling-text p{ font-size:.92rem; line-height:2.3; margin-bottom:34px; }

/* ============================================================
   Information / Banner
   ============================================================ */
.info-banner{
  background:var(--ivory);
  padding:100px 24px 120px;
  position:relative;
}
.info-banner::before{
  content:""; position:absolute; top:0; left:50%; transform:translateX(-50%);
  width:min(90%,1100px); height:1px;
  background:linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}
.info-banner-inner{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:1.3fr 1fr; gap:70px;
}
.news-list li{
  display:flex; gap:20px; align-items:center;
  padding:18px 6px;
  border-bottom:1px solid rgba(110,90,55,.22);
  transition:background .35s;
}
.news-list li:hover{ background:rgba(194,160,102,.07); }
.ph-news{ width:92px; height:62px; flex:none; font-size:1.6rem; }
.news-body time{
  font-family:var(--serif-en);
  font-size:.82rem; color:var(--gold); letter-spacing:.1em;
}
.news-body p{ font-size:.95rem; letter-spacing:.05em; }
.news-more{
  display:inline-flex; align-items:center; gap:10px;
  margin-top:26px;
  font-size:.85rem; letter-spacing:.14em;
  padding-bottom:4px;
  border-bottom:1px solid rgba(110,90,55,.5);
  transition:color .3s, border-color .3s, gap .3s;
}
.news-more::after{ content:"→"; font-size:.8rem; color:var(--gold); }
.news-more:hover{ color:var(--gold); border-color:var(--gold); gap:16px; }

.banner-item{
  display:flex; flex-direction:column; align-items:center; gap:12px;
  background:#fff; padding:22px 18px; margin-bottom:18px;
  border:1px solid rgba(110,90,55,.14);
  box-shadow:0 4px 18px rgba(56,45,30,.08);
  transition:box-shadow .4s, transform .4s var(--ease-out), border-color .4s;
}
a.banner-item:hover{
  box-shadow:0 14px 34px rgba(56,45,30,.18);
  transform:translateY(-4px);
  border-color:var(--gold-dim);
}
.banner-item.official img{ height:46px; width:auto; }
.banner-item.official span{ font-size:.85rem; letter-spacing:.1em; }
.cards-label{ font-size:.82rem; letter-spacing:.08em; }
.card-logos{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.card-logos img{ height:26px; width:auto; }
.banner-item.instagram{ flex-direction:row; justify-content:center; }
.banner-item.instagram .ig-icon{ font-size:1.25rem; }
.banner-item.instagram span{ font-size:.85rem; letter-spacing:.1em; }

/* ============================================================
   Contact
   ============================================================ */
.contact{
  position:relative;
  background:
    radial-gradient(ellipse at 50% -20%, #2c2721 0%, var(--ink) 55%);
  color:var(--text-light);
  text-align:center;
  padding:110px 24px 120px;
  overflow:hidden;
}
.contact-deco{
  position:absolute; top:-120px; left:50%; transform:translateX(-50%);
  width:560px; height:560px; border-radius:50%;
  border:1px solid rgba(194,160,102,.12);
  pointer-events:none;
}
.contact-deco::after{
  content:""; position:absolute; inset:40px; border-radius:50%;
  border:1px solid rgba(194,160,102,.08);
}
.contact-lead{
  font-size:1.05rem; letter-spacing:.24em; text-indent:.24em;
  margin-bottom:44px; color:var(--ivory);
}
.contact-tels{
  display:flex; gap:64px; justify-content:center; flex-wrap:wrap; margin-bottom:46px;
}
.tel-block{ display:flex; align-items:center; gap:16px; }
.tel-tag{
  border:1px solid var(--gold-dim);
  color:var(--gold-l);
  font-size:.75rem; letter-spacing:.22em; text-indent:.22em;
  padding:5px 14px;
}
.tel-num{
  font-size:2rem; letter-spacing:.06em; font-family:var(--serif-en);
  color:var(--ivory);
  transition:color .3s;
}
.tel-num:hover{ color:var(--gold-l); }
.contact-btn{
  position:relative;
  display:inline-flex; align-items:center; gap:14px;
  background:linear-gradient(135deg, var(--wine), var(--wine-d));
  color:var(--ivory);
  padding:17px 64px; font-size:.95rem; letter-spacing:.18em;
  overflow:hidden;
  box-shadow:0 12px 30px rgba(0,0,0,.4);
  transition:box-shadow .4s, transform .4s var(--ease-out);
}
.contact-btn::before{
  content:""; position:absolute; top:0; left:-80%;
  width:60%; height:100%;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,.22), transparent);
  transform:skewX(-20deg);
  transition:left .8s var(--ease-out);
}
.contact-btn:hover::before{ left:120%; }
.contact-btn:hover{
  box-shadow:0 16px 40px rgba(0,0,0,.55), 0 0 0 1px var(--gold-dim);
  transform:translateY(-2px);
}
.contact-btn .btn-arrow{ font-size:.65rem; color:var(--gold-l); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer{
  background:#0e0c0a; color:#b9b2a5;
  padding:70px 24px 34px;
  border-top:1px solid rgba(194,160,102,.18);
}
.footer-inner{
  max-width:var(--maxw); margin:0 auto;
  display:grid; grid-template-columns:210px 1fr 1fr 1fr; gap:34px;
}
.footer-logo img{ width:130px; opacity:.95; }
.footer-nav ul li{ margin-bottom:11px; }
.footer-nav a{
  font-size:.78rem; letter-spacing:.06em; color:#9d968a;
  transition:color .3s, padding-left .3s;
}
.footer-nav a:hover{ color:var(--gold-l); padding-left:6px; }
.copyright{
  text-align:center; font-size:.7rem; letter-spacing:.14em;
  font-family:var(--serif-en);
  color:#6d675d; margin-top:52px; padding-top:24px;
  border-top:1px solid rgba(255,255,255,.06);
}

/* ============================================================
   Page-top button
   ============================================================ */
.page-top{
  position:fixed; right:22px; bottom:22px; z-index:90;
  width:48px; height:48px; border-radius:50%;
  background:rgba(16,14,12,.85);
  border:1px solid var(--gold-dim);
  color:var(--gold-l);
  display:flex; align-items:center; justify-content:center;
  font-size:.8rem;
  opacity:0; pointer-events:none;
  transition:opacity .4s, background .3s, transform .4s var(--ease-out);
}
.page-top.show{ opacity:1; pointer-events:auto; }
.page-top:hover{ background:var(--gold); color:var(--ink); transform:translateY(-4px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px){
  html{ scroll-padding-top:66px; }
  .global-nav{
    position:fixed; top:0; right:0; width:min(78vw,300px); height:100vh;
    background:rgba(16,14,12,.97);
    backdrop-filter:blur(10px);
    border-left:1px solid rgba(194,160,102,.25);
    transform:translateX(100%); transition:transform .5s var(--ease-out);
    margin-left:0; padding-top:80px;
  }
  .global-nav.open{ transform:translateX(0); }
  .global-nav ul{ flex-direction:column; gap:0; padding:10px 0; }
  .global-nav li{ border-bottom:1px solid rgba(255,255,255,.07); }
  .global-nav a{ display:block; padding:18px 28px; letter-spacing:.2em; }
  .nav-toggle{
    display:flex; flex-direction:column; gap:6px; justify-content:center;
    background:none; border:none; cursor:pointer; padding:10px;
    position:relative; z-index:110;
  }
  .nav-toggle span{
    width:26px; height:1px; background:var(--gold-l);
    transition:transform .4s var(--ease-out), opacity .3s;
  }
  .nav-toggle.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2){ opacity:0; }
  .nav-toggle.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
  .header-contact{ min-width:62px; padding:10px 14px; margin-left:auto; }
  .logo-img{ height:38px; }

  .hero{ min-height:480px; }
  .hero-copy{ font-size:1.3rem; padding:34px 30px; letter-spacing:.12em; }
  .hero-sub{ font-size:.65rem; letter-spacing:.4em; }
  .hero-photo{ font-size:5rem; }

  .about{ padding:80px 22px 90px; }
  .about-block,.about-block.reverse{
    grid-template-columns:1fr; direction:ltr; gap:36px; margin-bottom:70px;
  }
  .about-images{ height:250px; }

  .symptoms,.treatment,.greeting,.counseling,.contact{ padding:80px 22px 90px; }
  .symptom-grid{ grid-template-columns:repeat(2,1fr); gap:24px 20px; }
  .treatment-grid,.counseling-inner{ grid-template-columns:1fr; gap:44px; }
  .greeting-inner{
    grid-template-columns:1fr; gap:36px; justify-items:center; text-align:center;
  }
  .greeting-photo{ max-width:230px; }
  .info-banner{ padding:80px 22px 90px; }
  .info-banner-inner{ grid-template-columns:1fr; gap:56px; }
  .footer-inner{ grid-template-columns:1fr 1fr; }
  .footer-logo{ grid-column:1 / -1; }
}

@media (max-width: 520px){
  .sec-en{ font-size:2rem; }
  .sec-jp{ font-size:1.35rem; letter-spacing:.16em; }
  .sec-head{ margin-bottom:44px; }
  .logo-img{ height:34px; }
  .hero-copy{ font-size:1.05rem; padding:26px 18px; line-height:2.2; }
  .symptom-grid{ grid-template-columns:1fr 1fr; gap:16px 12px; }
  .symptom-card{ padding:10px 10px 16px; }
  .symptom-card p{ font-size:.8rem; }
  .contact-tels{ flex-direction:column; gap:22px; align-items:center; }
  .tel-num{ font-size:1.6rem; }
  .contact-btn{ padding:15px 38px; }
  .footer-inner{ grid-template-columns:1fr; }
}