:root{
  --blue:#31a0d2; --blue-dark:#2a86b3; --blue-deep:#1f6a91;
  --sky:#f2f9fd; --sky2:#e2f1fa; --line:#dfe7ec;
  --ink:#2f3a40; --muted:#6b7a83; --white:#fff;
  --radius:12px; --wrap:1080px;
  --font: "Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);line-height:1.9;font-size:16px;background:#fff;
  font-feature-settings:"palt";-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;vertical-align:middle}
a{color:var(--blue-deep)}
a:hover{opacity:.8}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:820px}

/* header */
.sitehead{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.sitehead__inner{max-width:1180px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;flex:0 0 auto}
.brand img{width:34px;height:auto}
.brand b{font-size:19px;font-weight:600;letter-spacing:.04em;color:#5c5c5c}
.brand span{display:block;font-size:10px;color:var(--muted);font-weight:400;letter-spacing:.02em}
.gnav{margin-left:auto}
.gnav>ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.gnav>ul>li{position:relative}
.gnav a{display:block;padding:12px 13px;text-decoration:none;color:var(--ink);font-size:14px;font-weight:500;white-space:nowrap}
.gnav>ul>li>a:hover{color:var(--blue)}
.gnav ul ul{position:absolute;top:100%;left:0;min-width:230px;background:#fff;border:1px solid var(--line);
  border-radius:0 0 8px 8px;list-style:none;margin:0;padding:6px 0;box-shadow:0 8px 24px rgba(0,0,0,.08);
  opacity:0;visibility:hidden;transform:translateY(4px);transition:.15s}
.gnav>ul>li:hover ul,.gnav>ul>li:focus-within ul{opacity:1;visibility:visible;transform:none}
.gnav ul ul a{font-size:13.5px;padding:9px 16px;color:var(--muted)}
.gnav ul ul a:hover{color:var(--blue);background:var(--sky)}
.headtel{flex:0 0 auto;text-align:right;font-size:12px;color:var(--muted);line-height:1.4}
.headtel b{display:block;font-size:20px;color:var(--blue);letter-spacing:.02em}
.navtoggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;
  width:44px;height:40px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.navtoggle i{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}

/* hero */
.hero{position:relative;background:var(--sky)}
.hero img{width:100%;display:block;object-fit:cover;max-height:520px}
.lead{text-align:center;padding:56px 20px 8px}
.lead h1,.lead h2{font-size:clamp(21px,3.4vw,30px);color:var(--blue);font-weight:600;margin:0 0 22px;letter-spacing:.04em}
.lead p{margin:0 auto 8px;max-width:780px;color:#4a5760}

/* page header */
.pagehead{background:var(--sky);border-bottom:3px solid var(--blue)}
.pagehead__inner{max-width:var(--wrap);margin:0 auto;padding:26px 20px;display:flex;align-items:center;gap:24px;min-height:150px}
.pagehead h1{font-size:clamp(20px,3vw,27px);font-weight:600;margin:0;letter-spacing:.05em}
.pagehead p{margin:8px 0 0;font-size:14px;color:var(--muted)}
.pagehead img{width:min(230px,34%);margin-left:auto}
.crumbs{font-size:12px;color:var(--muted);padding:10px 20px;max-width:var(--wrap);margin:0 auto}
.crumbs a{color:var(--muted);text-decoration:none}

/* sections */
main{display:block}
section{padding:0}
.block{padding:56px 0}
.block--soft{background:var(--sky)}
h2.sec{text-align:center;font-size:clamp(19px,2.6vw,25px);font-weight:600;margin:0 0 34px;letter-spacing:.05em}
h2.sec.blue{color:var(--blue)}
.article h2{font-size:20px;font-weight:600;margin:44px 0 16px;padding:0 0 10px;border-bottom:2px solid var(--blue);letter-spacing:.04em}
.article h2:first-child{margin-top:0}
.article h3{font-size:17px;font-weight:600;margin:30px 0 10px;color:var(--blue-deep);letter-spacing:.03em}
.article p{margin:0 0 16px}
.article ul,.article ol{margin:0 0 18px;padding-left:1.4em}
.article li{margin-bottom:6px}
.note{font-size:13.5px;color:var(--muted);line-height:1.8}
.note li{margin-bottom:4px}

/* cards */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;text-align:center}
.card h3{margin:0 0 10px;font-size:16px;font-weight:600}
.card p{margin:0;font-size:14px;color:var(--muted);text-align:left;line-height:1.85}
.linkcard{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;text-align:center;transition:.18s}
.linkcard:hover{border-color:var(--blue);box-shadow:0 6px 18px rgba(49,160,210,.14);transform:translateY(-2px);opacity:1}
.linkcard img{width:150px;margin:0 auto 12px;display:block}
.linkcard b{display:block;font-size:15px;font-weight:600}
.linkcard span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* clinic picker */
.picker{background:var(--sky);border-radius:var(--radius);padding:26px;margin-bottom:44px;
  display:flex;gap:22px;align-items:center;flex-wrap:wrap;justify-content:center;text-align:center}
.picker img{width:130px}
.picker h2{margin:0 0 4px;font-size:17px;font-weight:600}
.picker p{margin:0;font-size:14px;color:var(--muted)}
.clinicbox{border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:10px;background:#fff;
  padding:24px;text-align:center;display:flex;flex-direction:column;gap:6px}
.clinicbox b{font-size:17px;font-weight:600}
.clinicbox .area{font-size:13px;color:var(--muted)}
.clinicbox .tel{font-size:20px;color:var(--blue);font-weight:600;letter-spacing:.02em}
.clinicbox .tel a{color:inherit;text-decoration:none}
.clinicbox .soon{display:inline-block;font-size:12px;background:var(--blue);color:#fff;border-radius:99px;padding:2px 12px;align-self:center}

/* buttons */
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;border-radius:6px;
  padding:12px 30px;font-size:14.5px;font-weight:500;border:none;cursor:pointer;transition:.18s}
.btn:hover{background:var(--blue-dark);opacity:1}
.btn--ghost{background:#fff;color:var(--blue-deep);border:1px solid var(--blue)}
.btn--ghost:hover{background:var(--sky)}
.center{text-align:center}

/* wide band */
.band{background-size:cover;background-position:center;padding:74px 20px;text-align:center}
.band h2{font-size:clamp(19px,2.8vw,26px);font-weight:600;margin:0 0 24px;color:var(--blue-deep);letter-spacing:.05em}

/* tables */
.table{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 14px;background:#fff}
.table th,.table td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.table th{background:var(--sky);font-weight:600;white-space:nowrap}
.table--center td{text-align:center}
.tablewrap{overflow-x:auto;margin-bottom:14px}
.info th{width:150px}

/* news list */
.newslist{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.newslist li{border-bottom:1px solid var(--line)}
.newslist a{display:flex;gap:18px;padding:18px 6px;text-decoration:none;color:inherit;align-items:baseline;flex-wrap:wrap}
.newslist a:hover{background:var(--sky);opacity:1}
.newslist time{font-size:13px;color:var(--muted);flex:0 0 auto;font-variant-numeric:tabular-nums}
.newslist span{font-size:15px}

/* steps */
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps>li{counter-increment:s;position:relative;padding:0 0 24px 60px;border-left:2px solid var(--sky2);margin-left:19px}
.steps>li:last-child{border-left-color:transparent;padding-bottom:0}
.steps>li::before{content:counter(s);position:absolute;left:-20px;top:0;width:38px;height:38px;border-radius:50%;
  background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600}
.steps h3{margin:4px 0 8px;font-size:16.5px;color:var(--ink)}
.steps p{margin:0 0 8px;font-size:14.5px;color:#4a5760}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:18px 6px 18px 40px;position:relative;font-weight:600;font-size:15.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:6px;top:16px;color:var(--blue);font-size:17px;font-weight:700}
.faq summary::after{content:"";position:absolute;right:10px;top:26px;width:9px;height:9px;border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .a{padding:0 6px 20px 40px;position:relative;font-size:14.5px;color:#4a5760}
.faq .a::before{content:"A";position:absolute;left:6px;top:0;color:#e28b8a;font-size:17px;font-weight:700}

/* doctor */
.doctor{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:start;
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:26px}
.doctor img{border-radius:10px;width:100%}
.doctor h3{margin:0 0 4px;font-size:18px}
.doctor .spec{font-size:13.5px;color:var(--blue-deep);margin:0 0 12px}
.doctor h4{margin:16px 0 6px;font-size:14px;color:var(--muted);font-weight:600}
.doctor ul{margin:0;padding-left:1.2em;font-size:14px;color:#4a5760}
.message{background:var(--sky);border-radius:10px;padding:16px 18px;font-size:14.5px;margin-top:16px;color:#41505a}

/* form */
.form label{display:block;margin-bottom:18px;font-size:14.5px;font-weight:600}
.form .req{color:#d0524f;font-size:12px;margin-left:6px}
.form input,.form textarea,.form select{width:100%;margin-top:7px;padding:11px 13px;border:1px solid var(--line);
  border-radius:7px;font-size:15px;font-family:inherit;background:#fff;color:var(--ink)}
.form input:focus,.form textarea:focus{outline:2px solid var(--blue);border-color:transparent}
.formnote{background:var(--sky);border-radius:10px;padding:18px 20px;font-size:14px;margin-bottom:26px}

/* footer */
.cta{background:var(--sky);padding:40px 20px}
.cta__inner{max-width:var(--wrap);margin:0 auto;background:#fff;border-radius:var(--radius);padding:28px;
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:center;text-align:center}
.cta__lead{font-size:14px;color:var(--muted)}
.cta__tel b{font-size:32px;color:var(--blue);letter-spacing:.02em;font-weight:600}
.cta__tel b a{color:inherit;text-decoration:none}
.cta__tel span{display:block;font-size:12.5px;color:var(--muted)}
.sitefoot{background:#fff;padding:26px 20px 90px;border-top:1px solid var(--line);text-align:center}
.sitefoot ul{list-style:none;margin:0 0 16px;padding:0;display:flex;flex-wrap:wrap;gap:6px 22px;justify-content:center}
.sitefoot a{font-size:13px;color:var(--muted);text-decoration:none}
.sitefoot .copy{font-size:12px;color:var(--muted);margin:0}
.telbar{display:none}

@media(max-width:900px){
  .gnav{position:fixed;inset:56px 0 auto;background:#fff;border-bottom:1px solid var(--line);
    max-height:calc(100vh - 56px);overflow:auto;display:none;padding:8px 0}
  .gnav.open{display:block}
  .gnav>ul{display:block}
  .gnav ul ul{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;
    padding:0 0 8px 16px;min-width:0}
  .gnav a{padding:12px 20px;border-bottom:1px solid #f1f5f7}
  .navtoggle{display:flex}
  .headtel{display:none}
  .g3,.g4,.g2{grid-template-columns:1fr}
  .doctor{grid-template-columns:1fr}
  .doctor img{max-width:190px}
  .pagehead img{display:none}
  .pagehead__inner{min-height:0}
  .block{padding:40px 0}
  .telbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;border-top:1px solid var(--line);background:#fff}
  .telbar a{flex:1;text-align:center;padding:12px 4px;text-decoration:none;font-size:14px;font-weight:600;color:var(--blue-deep)}
  .telbar a+a{border-left:1px solid var(--line);background:var(--blue);color:#fff}
}
@media(min-width:901px){ .sitefoot{padding-bottom:26px} }
@media(max-width:520px){
  body{font-size:15.4px}
  .cta__inner{padding:22px 18px}
}