@charset "utf-8";
/* =========================================================
   白金デンタルクリニック  ─ 左固定サイドバー型 医療サイト
   Palette : deep teal / off-white / warm gray
   ========================================================= */

:root{
  --teal:#0d3b3f;
  --teal-d:#082a2d;
  --teal-l:#1c5c60;
  --gold:#b99a63;
  --ink:#1d2322;
  --gray:#6f7b7a;
  --line:#e2e0da;
  --bg:#ffffff;
  --tint:#f5f3ee;
  --side:290px;
  --ser:"Zen Old Mincho",serif;
  --sans:"Noto Sans JP",sans-serif;
  --lat:"Cormorant Garamond",serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--ink);background:var(--bg);
  font-size:15px;line-height:2;letter-spacing:.04em;-webkit-font-smoothing:antialiased;
}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
table{border-collapse:collapse;width:100%}

/* ===================== SIDEBAR ===================== */
.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--side);z-index:60;
  background:var(--teal);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:38px 30px 30px;
}
.side-logo{display:block;margin-bottom:10px}
.side-logo__mark{
  display:grid;place-items:center;width:46px;height:46px;border:1px solid rgba(255,255,255,.45);
  font-family:var(--lat);font-size:24px;line-height:1;padding-bottom:3px;margin-bottom:20px;
}
.side-logo__ja{display:block;font-family:var(--ser);font-size:17px;letter-spacing:.06em;line-height:1.5;white-space:nowrap}
.side-logo__en{display:block;font-family:var(--lat);font-size:11px;letter-spacing:.34em;opacity:.6;margin-top:8px}

.side-nav{flex:1;display:flex;align-items:center}
.side-nav ul{width:100%}
.side-nav li+li{margin-top:2px}
.side-nav a{
  display:flex;align-items:baseline;gap:12px;padding:9px 0;position:relative;
  font-size:13.5px;letter-spacing:.1em;opacity:.62;transition:.35s;
}
.side-nav a i{font-family:var(--lat);font-style:normal;font-size:12px;letter-spacing:.1em;opacity:.7}
.side-nav a::before{
  content:"";position:absolute;left:-30px;top:50%;width:0;height:1px;background:var(--gold);transition:.4s;
}
.side-nav a:hover,.side-nav a.is-active{opacity:1}
.side-nav a.is-active::before{width:22px}
.side-nav a.is-active i{color:var(--gold);opacity:1}

.side-foot{border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.side-tel small{display:block;font-size:10.5px;letter-spacing:.2em;opacity:.55}
.side-tel strong{display:block;font-family:var(--lat);font-size:26px;letter-spacing:.06em;font-weight:400;margin:2px 0 16px}
.side-cta{
  display:block;text-align:center;padding:13px;border:1px solid var(--gold);color:var(--gold);
  font-size:12.5px;letter-spacing:.16em;transition:.35s;
}
.side-cta:hover{background:var(--gold);color:var(--teal-d)}

/* ===================== MOBILE HEADER ===================== */
.mheader,.drawer,.mfixed{display:none}

/* ===================== MAIN ===================== */
.main{margin-left:var(--side)}

/* ---------- HERO ---------- */
.hero{position:relative;padding-bottom:120px}
.hero__media{height:84vh;min-height:520px;overflow:hidden;position:relative}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,42,45,.86) 0%,rgba(8,42,45,.62) 46%,rgba(8,42,45,.22) 78%,rgba(8,42,45,.1) 100%)}
.hero__media img{animation:kb 16s ease-out forwards}
@keyframes kb{from{transform:scale(1.1)}to{transform:scale(1)}}

.hero__copy{position:absolute;left:6%;top:24%;z-index:2;color:#fff;max-width:640px}
.hero__eyebrow{
  font-size:12px;letter-spacing:.3em;padding-left:44px;position:relative;margin-bottom:26px;opacity:.9;
}
.hero__eyebrow::before{content:"";position:absolute;left:0;top:50%;width:32px;height:1px;background:var(--gold)}
.hero__title{font-family:var(--ser);font-weight:500;font-size:clamp(34px,4.2vw,62px);line-height:1.42;letter-spacing:.06em}
.hero__title span{display:block;overflow:hidden}
.hero__title .accent{color:#e9dcbd}
.hero__lead{margin-top:26px;font-size:14.5px;line-height:2.1;opacity:.92;font-weight:300}

/* 診療時間バー */
.hourbar{
  position:relative;z-index:3;margin:-70px 6% 0 6%;background:#fff;
  box-shadow:0 24px 60px -30px rgba(13,59,63,.45);
  padding:34px 40px 26px;display:grid;grid-template-columns:200px 1fr;gap:0 40px;align-items:center;
}
.hourbar__label{border-right:1px solid var(--line);padding-right:30px}
.hourbar__ja{display:block;font-family:var(--ser);font-size:22px;letter-spacing:.14em;color:var(--teal)}
.hourbar__en{display:block;font-family:var(--lat);font-size:10.5px;letter-spacing:.24em;color:var(--gray);margin-top:4px}
.hourtable{font-size:13px;text-align:center}
.hourtable th,.hourtable td{padding:7px 4px;border-bottom:1px solid var(--line);font-weight:400;line-height:1.4}
.hourtable thead th{color:var(--teal);font-size:12px;letter-spacing:.1em;border-bottom:1px solid var(--teal)}
.hourtable tbody th{text-align:left;white-space:nowrap;font-family:var(--lat);font-size:15px;letter-spacing:.05em;color:var(--gray);width:130px}
.hourtable td{color:var(--teal-l)}
.hourbar__note{grid-column:2;font-size:11.5px;color:var(--gray);margin-top:10px;letter-spacing:.06em}

/* ---------- SECTION 共通 ---------- */
.section{padding:120px 6%}
.section--tint{background:var(--tint)}
.section--dark{background:var(--teal-d);color:#fff}

.sec-head{margin-bottom:70px;max-width:760px}
.sec-head__en{font-family:var(--lat);font-size:12px;letter-spacing:.42em;color:var(--gold);margin-bottom:16px}
.sec-head__ja{font-family:var(--ser);font-weight:500;font-size:clamp(26px,2.8vw,38px);line-height:1.55;letter-spacing:.08em;color:var(--teal)}
.sec-head--light .sec-head__ja{color:#fff}
.sec-head__lead{margin-top:22px;font-size:14px;color:var(--gray);line-height:2.1}
.sec-head--light .sec-head__lead{color:rgba(255,255,255,.7)}

/* ---------- PROMISE ---------- */
.promise__item{
  display:grid;grid-template-columns:1fr 1.05fr;gap:70px;align-items:center;
}
.promise__item+.promise__item{margin-top:110px}
.promise__item--rev .promise__txt{order:2}
.promise__no{
  font-family:var(--lat);font-size:56px;line-height:1;color:var(--line);display:block;margin-bottom:14px;
}
.promise__txt h3{font-family:var(--ser);font-weight:500;font-size:25px;line-height:1.7;letter-spacing:.06em;color:var(--teal);margin-bottom:22px}
.promise__txt p{font-size:14px;color:#4b5453;line-height:2.15}
.promise__img{height:400px;overflow:hidden}
.promise__img img{transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.promise__item:hover .promise__img img{transform:scale(1.05)}
.tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tagrow li{font-size:11.5px;letter-spacing:.1em;color:var(--teal-l);border:1px solid var(--line);padding:5px 13px;border-radius:999px;background:#fff}

/* ---------- MENU GRID ---------- */
.menugrid{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;background:var(--line)}
.mcard{background:#fff;display:flex;flex-direction:column;transition:.4s}
.mcard--wide{grid-column:span 2;grid-row:span 2}
.mcard__img{overflow:hidden;height:190px}
.mcard--wide .mcard__img{height:calc(100% - 210px);min-height:280px}
.mcard__img img{transition:transform 1s cubic-bezier(.2,.8,.2,1)}
.mcard:hover .mcard__img img{transform:scale(1.07)}
.mcard__body{padding:26px 28px 30px;flex:1;display:flex;flex-direction:column}
.mcard__en{font-family:var(--lat);font-size:10.5px;letter-spacing:.32em;color:var(--gold);margin-bottom:10px}
.mcard__body h3{font-family:var(--ser);font-weight:500;font-size:19px;letter-spacing:.06em;color:var(--teal);line-height:1.6}
.mcard--wide .mcard__body h3{font-size:25px}
.mcard__desc{font-size:12.8px;color:var(--gray);line-height:2;margin-top:12px;flex:1}
.mcard__price{
  font-family:var(--lat);font-size:19px;letter-spacing:.05em;color:var(--teal-l);margin-top:18px;
  padding-top:14px;border-top:1px solid var(--line);
}
.mcard:hover{background:var(--teal);}
.mcard:hover .mcard__body h3,.mcard:hover .mcard__price{color:#fff}
.mcard:hover .mcard__desc{color:rgba(255,255,255,.72)}
.mcard:hover .mcard__price{border-color:rgba(255,255,255,.25)}

/* ---------- FACILITY 非対称グリッド ---------- */
.facgrid{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:150px;gap:20px}
.facgrid figure{position:relative;overflow:hidden}
.facgrid figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:44px 22px 18px;color:#fff;font-size:11.5px;line-height:1.9;
  background:linear-gradient(to top,rgba(8,42,45,.86),transparent);
}
.facgrid figcaption b{display:block;font-family:var(--ser);font-size:16px;letter-spacing:.08em;margin-bottom:3px;font-weight:500}
.facgrid img{transition:transform 1.1s cubic-bezier(.2,.8,.2,1)}
.facgrid figure:hover img{transform:scale(1.06)}
.facgrid__a{grid-column:1/8;grid-row:1/4}
.facgrid__b{grid-column:8/13;grid-row:1/3}
.facgrid__c{grid-column:8/13;grid-row:3/5}
.facgrid__d{grid-column:1/8;grid-row:4/5}

/* ---------- DOCTOR ---------- */
.doctor-main{display:grid;grid-template-columns:400px 1fr;gap:70px;align-items:start}
.doctor-main__img{height:520px;overflow:hidden;filter:saturate(.9)}
.doctor-main__role{font-family:var(--lat);font-size:12px;letter-spacing:.3em;color:var(--gold)}
.doctor-main__name{font-family:var(--ser);font-weight:500;font-size:34px;letter-spacing:.14em;margin:10px 0 30px;line-height:1.4}
.doctor-main__name span{display:block;font-family:var(--lat);font-size:14px;letter-spacing:.28em;opacity:.5;margin-top:8px}
.doctor-main__msg{font-size:14px;line-height:2.2;color:rgba(255,255,255,.82);font-weight:300}
.doctor-main__career{margin-top:34px;border-top:1px solid rgba(255,255,255,.16);padding-top:22px}
.doctor-main__career li{display:flex;gap:24px;font-size:13px;color:rgba(255,255,255,.75);padding:5px 0}
.doctor-main__career span{font-family:var(--lat);color:var(--gold);letter-spacing:.08em;min-width:48px}
.doctor-main__cert{margin-top:18px;font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.5)}

.staffrow{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:90px;
  border-top:1px solid rgba(255,255,255,.14);padding-top:60px}
.staff img{height:260px;filter:saturate(.85)}
.staff figcaption{padding-top:20px}
.staff b{font-family:var(--ser);font-size:19px;letter-spacing:.1em;font-weight:500}
.staff small{display:block;font-size:11.5px;letter-spacing:.16em;color:var(--gold);margin:6px 0 12px}
.staff p{font-size:12.8px;line-height:2;color:rgba(255,255,255,.62)}

/* ---------- FLOW ---------- */
.flow{max-width:860px;position:relative;padding-left:34px}
.flow::before{content:"";position:absolute;left:5px;top:12px;bottom:12px;width:1px;background:var(--line)}
.flow li{position:relative;padding:0 0 52px}
.flow li:last-child{padding-bottom:0}
.flow li::before{
  content:"";position:absolute;left:-34px;top:9px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:1px solid var(--teal-l);
}
.flow li::after{content:"";position:absolute;left:-31px;top:12px;width:5px;height:5px;border-radius:50%;background:var(--teal-l)}
.flow__no{font-family:var(--lat);font-size:12px;letter-spacing:.28em;color:var(--gold)}
.flow h3{font-family:var(--ser);font-weight:500;font-size:20px;letter-spacing:.08em;color:var(--teal);margin:8px 0 12px}
.flow p{font-size:13.6px;color:var(--gray);line-height:2.15}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq>div{border-bottom:1px solid var(--line);padding:26px 0}
.faq>div:first-child{border-top:1px solid var(--line)}
.faq dt{font-family:var(--ser);font-size:17px;letter-spacing:.06em;color:var(--teal);line-height:1.7}
.faq dd{font-size:13.6px;color:var(--gray);line-height:2.1;margin-top:12px;padding-left:1.6em;text-indent:-1.6em}

/* ---------- ACCESS ---------- */
.access{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:stretch}
.access__map{background:#eceae4;position:relative;overflow:hidden;min-height:420px}
.mapgrid{position:absolute;inset:0}
.mapline{position:absolute;background:#fff}
.mapline--h1{left:0;right:0;top:36%;height:22px}
.mapline--h2{left:0;right:0;top:72%;height:12px;background:#dcdad3}
.mapline--v1{top:0;bottom:0;left:28%;width:14px;background:#dcdad3}
.mapline--v2{top:0;bottom:0;left:64%;width:20px}
.mappin{
  position:absolute;left:64%;top:36%;transform:translate(-50%,-50%);
  background:var(--teal);color:#fff;font-size:11.5px;letter-spacing:.1em;padding:9px 15px;white-space:nowrap;
  box-shadow:0 10px 24px -10px rgba(0,0,0,.5);
}
.mappin::after{content:"";position:absolute;left:50%;bottom:-7px;transform:translateX(-50%);
  border:7px solid transparent;border-top-color:var(--teal);border-bottom:0}
.maplabel{position:absolute;font-size:11px;letter-spacing:.12em;color:#8d938f}
.maplabel--a{left:20%;top:60%}
.maplabel--b{left:6%;top:31%}
.maplabel--c{left:66%;top:76%}

.infotable{font-size:13.5px}
.infotable th,.infotable td{text-align:left;vertical-align:top;padding:16px 0;border-bottom:1px solid var(--line);line-height:1.9}
.infotable th{width:100px;font-weight:500;color:var(--teal);letter-spacing:.1em}
.infotable td{color:var(--gray)}
.infotable a{color:var(--teal-l);border-bottom:1px solid currentColor}
.access__cta{display:flex;gap:14px;margin-top:34px}
.btn{flex:1;text-align:center;padding:20px;font-size:13.5px;letter-spacing:.14em;transition:.35s}
.btn--fill{background:var(--teal);color:#fff}
.btn--fill:hover{background:var(--teal-l)}
.btn--line{border:1px solid var(--teal);color:var(--teal)}
.btn--line:hover{background:var(--teal);color:#fff}

/* ---------- FOOTER ---------- */
.footer{background:var(--teal-d);color:#fff;padding:80px 6% 40px;text-align:center}
.footer__mark{
  display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.4);
  font-family:var(--lat);font-size:22px;padding-bottom:3px;margin-bottom:18px;
}
.footer__ja{font-family:var(--ser);font-size:20px;letter-spacing:.16em}
.footer__en{font-family:var(--lat);font-size:11px;letter-spacing:.34em;opacity:.5;margin-top:6px}
.footer__nav{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 28px;margin:44px 0 40px;
  padding:26px 0;border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}
.footer__nav a{font-size:12.5px;letter-spacing:.1em;opacity:.65;transition:.3s}
.footer__nav a:hover{opacity:1;color:var(--gold)}
.footer__copy{font-size:11px;letter-spacing:.08em;opacity:.4}

/* ---------- reveal ---------- */
[data-rv]{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.2,.8,.2,1),transform 1s cubic-bezier(.2,.8,.2,1)}
[data-rv].is-in{opacity:1;transform:none}

/* ===================== RESPONSIVE ===================== */
@media (max-width:1180px){
  .promise__item{grid-template-columns:1fr;gap:34px}
  .promise__item--rev .promise__txt{order:0}
  .promise__img{height:320px}
  .doctor-main{grid-template-columns:1fr;gap:40px}
  .doctor-main__img{height:420px}
  .access{grid-template-columns:1fr}
  .menugrid{grid-template-columns:repeat(2,1fr)}
  .mcard--wide{grid-column:span 2;grid-row:auto}
  .mcard--wide .mcard__img{height:260px;min-height:0}
}

@media (max-width:960px){
  :root{--side:0px}
  .sidebar{display:none}
  .main{margin-left:0;padding-top:62px}

  .mheader{
    display:flex;position:fixed;top:0;left:0;right:0;height:62px;z-index:80;
    background:var(--teal);color:#fff;align-items:center;justify-content:space-between;padding:0 20px;
  }
  .mheader__logo{font-family:var(--ser);font-size:16px;letter-spacing:.1em}
  .burger{background:none;border:0;width:30px;height:22px;position:relative;cursor:pointer}
  .burger span{position:absolute;left:0;right:0;height:1.5px;background:#fff;transition:.35s}
  .burger span:nth-child(1){top:2px}
  .burger span:nth-child(2){top:10px}
  .burger span:nth-child(3){top:18px}
  .burger.is-open span:nth-child(1){top:10px;transform:rotate(45deg)}
  .burger.is-open span:nth-child(2){opacity:0}
  .burger.is-open span:nth-child(3){top:10px;transform:rotate(-45deg)}

  .drawer{
    display:block;position:fixed;inset:62px 0 0;z-index:70;background:var(--teal-d);color:#fff;
    padding:34px 26px;transform:translateY(-102%);transition:transform .5s cubic-bezier(.2,.8,.2,1);overflow:auto;
  }
  .drawer.is-open{transform:none}
  .drawer li{border-bottom:1px solid rgba(255,255,255,.12)}
  .drawer a{display:block;padding:18px 0;font-family:var(--ser);font-size:18px;letter-spacing:.1em}
  .drawer__tel{display:block;margin-top:30px;text-align:center;font-family:var(--lat);font-size:26px;
    border:1px solid var(--gold);color:var(--gold);padding:14px}

  .hero{padding-bottom:60px}
  .hero__media{height:66vh;min-height:400px}
  .hero__media::after{background:linear-gradient(to top,rgba(8,42,45,.85),rgba(8,42,45,.25))}
  .hero__copy{position:static;left:auto;right:auto;top:auto;bottom:auto;max-width:none;background:var(--teal);padding:34px 24px 40px}
  .hero__lead{margin-top:20px}
  .hourbar{grid-template-columns:1fr;margin:24px 24px 0;padding:26px 22px;gap:20px}
  .hourbar__label{border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px}
  .hourbar__note{grid-column:1}
  .hourtable{font-size:11.5px}
  .hourtable tbody th{width:auto;font-size:12px}

  .section{padding:76px 24px}
  .sec-head{margin-bottom:44px}
  .menugrid{grid-template-columns:1fr}
  .mcard--wide{grid-column:span 1}
  .facgrid{grid-auto-rows:auto;gap:12px}
  .facgrid figure{grid-column:1/13 !important;grid-row:auto !important;height:220px}
  .staffrow{grid-template-columns:1fr;gap:34px;margin-top:56px;padding-top:40px}
  .staff img{height:300px}
  .access__cta{flex-direction:column}
  .footer{padding:60px 24px 110px}

  .mfixed{
    display:grid;grid-template-columns:1fr 1.4fr;position:fixed;bottom:0;left:0;right:0;z-index:75;
    box-shadow:0 -8px 24px -14px rgba(0,0,0,.4);
  }
  .mfixed a{padding:16px;text-align:center;font-size:13px;letter-spacing:.1em;background:#fff;color:var(--teal);border-top:1px solid var(--line)}
  .mfixed__main{background:var(--teal);color:#fff !important;border-top-color:var(--teal)}
}