/* =========================================================
   杉循環器科内科病院 ブランドサイト（試作）共通スタイル
   ========================================================= */
:root{
  --green:#2f6f52;--green-light:#5c9878;--green-pale:#eef4f0;
  --fuji:#8a7fb8;--fuji-pale:#f2effa;
  --ink:#2a2f31;--ink-soft:#5b6467;--line:#e5ebe8;--cream:#fbfaf7;
  --radius:14px;--maxw:1120px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);line-height:1.9;font-size:15px;-webkit-font-smoothing:antialiased;background:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.serif{font-family:"Noto Serif JP",serif}

/* ---------- utility bar ---------- */
.util{background:var(--green);color:#fff;font-size:12.5px}
.util .wrap{display:flex;justify-content:space-between;align-items:center;height:38px}
.util .tel{font-weight:700;letter-spacing:.03em}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-light));display:grid;place-items:center;color:#fff;font-weight:700;font-size:20px;font-family:"Cormorant Garamond",serif}
.brand .name{font-weight:700;font-size:17px;letter-spacing:.02em}
.brand .name small{display:block;font-weight:400;font-size:11px;color:var(--ink-soft);letter-spacing:.14em}
.gnav{display:flex;gap:24px;align-items:center}
.gnav a{font-size:13.5px;font-weight:500;position:relative;padding:4px 0}
.gnav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--fuji);transition:.25s}
.gnav a:hover::after,.gnav a.current::after{width:100%}
.gnav .cta{background:var(--fuji);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700}
.gnav .cta::after{display:none}
.gnav .cta:hover{background:#7a6fa8}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:700;font-size:14px;transition:.2s;margin:0 4px}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:#255a42;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--green);border:1.5px solid var(--green)}
.btn-ghost:hover{background:var(--green-pale)}
.btn-white{background:#fff;color:var(--green)}
.btn-white:hover{background:var(--fuji-pale)}
.btn-line{background:#06c755;color:#fff}
.btn-line:hover{background:#05b34c}

/* ---------- section base ---------- */
section{padding:82px 0}
.sec-head{text-align:center;margin-bottom:52px}
.sec-head .en{font-family:"Cormorant Garamond",serif;color:var(--fuji);letter-spacing:.28em;font-size:14px;font-weight:600;text-transform:uppercase}
.sec-head h2{font-size:30px;font-weight:600;margin-top:8px;letter-spacing:.03em}
.sec-head p{color:var(--ink-soft);margin-top:14px;font-size:14.5px}

/* ---------- page hero (下層) ---------- */
.page-hero{position:relative;background:linear-gradient(160deg,#eef4f0,#f4f1fb);overflow:hidden;padding:56px 0}
.page-hero::before{content:"";position:absolute;right:-100px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(138,127,184,.16),transparent 70%)}
.page-hero .en{font-family:"Cormorant Garamond",serif;color:var(--fuji);letter-spacing:.28em;font-weight:600;font-size:14px}
.page-hero h1{font-size:34px;font-weight:600;margin-top:6px;letter-spacing:.03em}

/* breadcrumb */
.crumb{border-bottom:1px solid var(--line);font-size:12.5px;color:var(--ink-soft)}
.crumb .wrap{padding-top:12px;padding-bottom:12px}
.crumb a:hover{color:var(--green)}
.crumb span{margin:0 8px;opacity:.6}

/* ---------- 2col layout (本文+サイド) ---------- */
.layout{display:grid;grid-template-columns:1fr 300px;gap:52px;padding:60px 0 90px}
.content h2{font-size:24px;font-weight:600;margin:0 0 8px;padding-bottom:14px;border-bottom:2px solid var(--green-pale);position:relative}
.content h2::after{content:"";position:absolute;left:0;bottom:-2px;width:70px;height:2px;background:var(--green)}
.content h2.mt{margin-top:56px}
.content .lead{font-size:16px;color:var(--ink-soft);margin:22px 0 34px}
.content h3{font-size:18px;font-weight:700;margin:40px 0 16px;display:flex;align-items:center;gap:10px}
.content h3::before{content:"";width:6px;height:20px;background:var(--fuji);border-radius:3px}
.content p{margin-bottom:16px;color:#3d4547}

/* sidebar */
.side{position:sticky;top:96px;align-self:start}
.side-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:22px}
.side-box .t{background:var(--green);color:#fff;padding:14px 18px;font-size:14px;font-weight:700}
.side-box a{display:block;padding:12px 18px;font-size:13.5px;border-top:1px solid var(--line);transition:.2s}
.side-box a:first-of-type{border-top:none}
.side-box a:hover{background:var(--green-pale);color:var(--green);padding-left:24px}
.side-box a.active{background:var(--green-pale);color:var(--green);font-weight:700;border-left:3px solid var(--green)}
.side-cta{background:linear-gradient(135deg,var(--green),#274f3b);color:#fff;border-radius:var(--radius);padding:24px 22px;text-align:center}
.side-cta .en{font-family:"Cormorant Garamond",serif;letter-spacing:.2em;font-size:12px;color:#bfe0cd}
.side-cta .tel{font-size:26px;font-weight:700;font-family:"Cormorant Garamond",serif;margin:6px 0 2px}
.side-cta .sm{font-size:11.5px;opacity:.85}

/* ---------- generic components ---------- */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px;margin:12px 0}
.tbl th,.tbl td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.tbl th{background:var(--green-pale);font-weight:700;color:var(--green);white-space:nowrap}
.tbl.center th,.tbl.center td{text-align:center}

.note-box{background:var(--fuji-pale);border-left:4px solid var(--fuji);border-radius:8px;padding:20px 24px;margin:28px 0;font-size:14px}
.note-box strong{color:#6a5f97}

.flow-list{counter-reset:step;display:grid;gap:14px;margin:18px 0}
.flow-list li{list-style:none;position:relative;padding:18px 20px 18px 66px;background:#fff;border:1px solid var(--line);border-radius:12px}
.flow-list li::before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:16px;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:700;font-family:"Cormorant Garamond",serif}
.flow-list li h4{font-size:15px;font-weight:700;margin-bottom:2px}
.flow-list li p{font-size:13px;color:var(--ink-soft);margin:0}

.badges{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.badges span{font-size:11.5px;background:var(--fuji-pale);color:#6a5f97;padding:5px 11px;border-radius:6px;font-weight:500}

.ph-img{background:linear-gradient(135deg,var(--green-light),var(--green));display:grid;place-items:center;color:#fff;font-family:"Cormorant Garamond",serif;letter-spacing:.2em;font-size:12px;border-radius:12px}

/* cta band */
.cta-band{background:var(--cream);border-top:1px solid var(--line);padding:60px 0;text-align:center}
.cta-band h3{font-size:22px;font-weight:600;margin-bottom:10px}
.cta-band p{color:var(--ink-soft);font-size:14px;margin-bottom:26px}

/* ---------- footer ---------- */
footer{background:#232a27;color:#cdd6d1;padding:56px 0 28px;font-size:13px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-brand .name{color:#fff;font-size:18px;font-weight:700}
.foot-brand p{margin-top:14px;color:#9aa8a1;line-height:1.9}
.foot-col h5{color:#fff;font-size:13px;margin-bottom:14px;letter-spacing:.06em}
.foot-col a{display:block;color:#9aa8a1;padding:5px 0}
.foot-col a:hover{color:#fff}
.copy{text-align:center;padding-top:24px;color:#8a978f;font-size:11.5px;letter-spacing:.05em}
.disc{background:#fffbe9;border-top:1px solid #f0e6b8;color:#8a7a3a;font-size:11.5px;text-align:center;padding:10px 24px}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .gnav{display:none}
  .layout{grid-template-columns:1fr;gap:30px}
  .side{position:static}
  .page-hero h1{font-size:26px}
  section{padding:60px 0}
}