/* =========================================================
   茅ヶ崎信愛クリニック｜サブページ共通スタイル
   配色：白＋淡いグリーン＋ベージュ / フォント：Noto Sans JP
   ========================================================= */
:root{
  --brand:#3a7d5f; --brand-mid:#57997a; --brand-light:#8fc3a6;
  --brand-pale:#e6f2ea; --brand-paler:#f3f9f5;
  --sand:#f7f3ec; --sand-dark:#e8e0d0; --warm-white:#fffef9;
  --text-dark:#1a2428; --text-mid:#445560; --text-light:#86a395;
  --border:#d2e5d8;
  --serif:'Noto Serif JP',serif; --sans:'Noto Sans JP',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans); font-weight:400; color:var(--text-dark);
  background:var(--warm-white); line-height:1.8; font-size:20px;
}
a{color:inherit;}
img{max-width:100%;}

/* ---- HEADER ---- */
header{position:sticky; top:0; z-index:100; background:rgba(255,254,249,0.97); backdrop-filter:blur(8px); border-bottom:1px solid var(--border);}
.nav-inner{max-width:1100px; margin:0 auto; padding:0 2rem; display:flex; align-items:center; justify-content:space-between; height:68px;}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none;}
.logo-mark{width:42px; height:42px; background:transparent; border-radius:0; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.logo-mark img{width:100%; height:100%; object-fit:contain;}
.logo-mark svg{width:21px; height:21px; fill:none; stroke:#fff; stroke-width:1.7;}
.logo-text{font-family:var(--serif); font-weight:500; font-size:23px; color:var(--brand); line-height:1.25;}
.logo-sub{font-size:13px; font-weight:300; color:var(--text-light); letter-spacing:0.08em;}
nav.main{display:flex; align-items:center; gap:1.5rem;}
nav.main a{font-size:17px; font-weight:400; color:var(--text-mid); text-decoration:none; letter-spacing:0.02em; transition:color .2s;}
nav.main a:hover{color:var(--brand);}
.nav-tel{display:flex; flex-direction:column; align-items:flex-end; gap:1px;}
.nav-tel a{font-family:var(--serif); font-size:20px; font-weight:500; color:var(--brand); text-decoration:none; letter-spacing:0.04em; line-height:1;}
.nav-tel small{font-size:13px; color:var(--text-light); letter-spacing:0.05em;}

/* ---- BREADCRUMB ---- */
.breadcrumb{background:var(--brand-paler); border-bottom:1px solid var(--border);}
.breadcrumb-inner{max-width:1100px; margin:0 auto; padding:11px 2rem; font-size:16px; color:var(--text-mid);}
.breadcrumb-inner a{color:var(--brand-mid); text-decoration:none;}
.breadcrumb-inner a:hover{text-decoration:underline;}
.breadcrumb-inner span.sep{margin:0 8px; color:var(--text-light);}

/* ---- PAGE HERO ---- */
.page-hero{background:linear-gradient(135deg,#2c5e47 0%,var(--brand) 55%,#2f8f6e 100%); position:relative; overflow:hidden; color:#fff;}
.page-hero-inner{max-width:1100px; margin:0 auto; padding:3.25rem 2rem 3.5rem; position:relative; z-index:1;}
.page-hero .ph-icon{font-size:33px; display:block; margin-bottom:.6rem;}
.page-hero .ph-en{font-size:13px; letter-spacing:0.22em; text-transform:uppercase; color:rgba(255,255,255,0.82); display:block; margin-bottom:8px;}
.page-hero h1{font-family:var(--serif); font-weight:500; font-size:clamp(27px,3.7vw,37px); line-height:1.5; letter-spacing:0.02em; margin-bottom:1rem; text-shadow:0 2px 10px rgba(0,0,0,0.18);}
.page-hero .ph-lead{font-size:19px; line-height:1.95; color:rgba(255,255,255,0.95); max-width:640px;}
.page-hero .ph-circle{position:absolute; right:-70px; top:-70px; width:380px; height:380px; border-radius:50%; background:radial-gradient(circle,rgba(255,255,255,0.12) 0%,transparent 70%); pointer-events:none;}
.hero-wave{position:absolute; left:0; right:0; bottom:-1px; height:34px; pointer-events:none;}

/* ---- SECTION ---- */
.section{padding:3.75rem 0;}
.section.alt{background:var(--sand);}
.section.green{background:var(--brand-paler);}
.section-inner{max-width:1100px; margin:0 auto; padding:0 2rem;}
.section-head{margin-bottom:2.25rem;}
.section-en{font-size:13px; font-weight:400; color:var(--brand-mid); letter-spacing:0.22em; text-transform:uppercase; margin-bottom:8px; display:block;}
.section-ja{font-family:var(--serif); font-size:clamp(23px,2.6vw,29px); font-weight:500; color:var(--brand); line-height:1.45; margin-bottom:10px;}
.divider{width:36px; height:2px; background:var(--brand-light); margin:12px 0;}
.lead{font-size:19px; color:var(--text-mid); line-height:1.95; max-width:680px;}

/* ---- 症状チップ ---- */
.chip-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:1.25rem;}
.chip{display:inline-flex; align-items:center; gap:8px; background:var(--brand-pale); border:1px solid var(--border); border-radius:30px; padding:8px 16px; font-size:17px; color:var(--text-dark);}
.chip .dot{width:7px; height:7px; border-radius:50%; background:var(--brand-light);}

/* ---- 疾患カード ---- */
.cond-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:18px;}
.cond-card{background:var(--warm-white); border:1px solid var(--border); border-radius:14px; padding:22px 22px 24px; box-shadow:0 3px 14px rgba(58,125,95,0.05);}
.cond-card h3{font-family:var(--serif); font-size:20px; font-weight:500; color:var(--brand); margin-bottom:.55rem; line-height:1.5;}
.cond-card p{font-size:18px; color:var(--text-mid); line-height:1.85;}

/* ---- 当院の対応（アプローチ） ---- */
.approach{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px;}
.approach-item{background:var(--warm-white); border:1px solid var(--border); border-radius:14px; padding:24px 20px;}
.approach-item .ai-num{display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:50%; background:var(--brand-pale); color:var(--brand); font-family:var(--serif); font-size:18px; margin-bottom:.75rem;}
.approach-item h3{font-size:19px; font-weight:500; color:var(--text-dark); margin-bottom:.4rem;}
.approach-item p{font-size:17px; color:var(--text-mid); line-height:1.8;}

/* ---- FAQ ---- */
.faq-list{display:flex; flex-direction:column; gap:12px;}
.faq-item{background:var(--warm-white); border:1px solid var(--border); border-radius:12px; padding:18px 20px;}
.faq-q{display:flex; gap:10px; font-size:19px; font-weight:500; color:var(--text-dark); line-height:1.6;}
.faq-q .ql{flex-shrink:0; width:24px; height:24px; border-radius:6px; background:var(--brand); color:#fff; display:inline-flex; align-items:center; justify-content:center; font-size:16px; font-weight:600;}
.faq-a{margin-top:.6rem; padding-left:34px; font-size:18px; color:var(--text-mid); line-height:1.85;}

/* ---- 注意書き（相談を促す優しいトーン） ---- */
.gentle-note{background:var(--brand-pale); border:1px solid var(--border); border-left:4px solid var(--brand-light); border-radius:0 12px 12px 0; padding:18px 22px; font-size:18px; color:var(--text-mid); line-height:1.9;}

/* ---- CTA band ---- */
.cta-band{background:linear-gradient(135deg,#2c5e47 0%,var(--brand) 60%,#2f8f6e 100%); color:#fff; text-align:center; padding:3.25rem 2rem;}
.cta-band h2{font-family:var(--serif); font-size:clamp(23px,2.9vw,31px); font-weight:500; line-height:1.6; margin-bottom:.75rem;}
.cta-band p{font-size:19px; color:rgba(255,255,255,0.92); line-height:1.85; max-width:560px; margin:0 auto 1.75rem;}
.cta-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:8px; text-decoration:none; font-size:18px; font-weight:500; letter-spacing:.02em; padding:13px 26px; border-radius:10px; transition:transform .15s, background .2s, opacity .2s;}
.btn-white{background:#fff; color:var(--brand);}
.btn-ghost{background:rgba(255,255,255,0.14); color:#fff; border:1px solid rgba(255,255,255,0.4);}
.btn:hover{transform:translateY(-2px);}

/* ---- FOOTER ---- */
footer{background:var(--brand); color:rgba(255,255,255,0.9); position:relative;}
.footer-inner{max-width:1100px; margin:0 auto; padding:3rem 2rem 1.75rem;}
.footer-top{display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:2.5rem; padding-bottom:2rem; border-bottom:1px solid rgba(255,255,255,0.18);}
.footer-logo{font-family:var(--serif); font-size:23px; font-weight:500; color:#fff; margin-bottom:.75rem;}
.footer-tagline{font-size:16px; line-height:1.9; color:rgba(255,255,255,0.82); margin-bottom:1.25rem;}
.footer-col h4{font-size:13px; letter-spacing:0.18em; color:rgba(255,255,255,0.7); margin-bottom:.9rem;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:.55rem;}
.footer-col a{font-size:17px; color:rgba(255,255,255,0.9); text-decoration:none;}
.footer-col a:hover{color:#fff; text-decoration:underline;}
.footer-bottom{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:1.25rem; font-size:15px; color:rgba(255,255,255,0.75);}
.footer-bottom a{color:rgba(255,255,255,0.8); text-decoration:none; margin-left:16px;}

/* ---- RESPONSIVE ---- */
@media(max-width:780px){
  body{font-size:19px; line-height:1.75;}
  nav.main{display:none;}
  .footer-top{grid-template-columns:1fr; gap:1.75rem;}
  .section{padding:2.75rem 0;}
  .page-hero-inner{padding:2.5rem 1.5rem 2.75rem;}
  .section-inner,.breadcrumb-inner,.nav-inner{padding-left:1.5rem; padding-right:1.5rem;}
}
@media(max-width:480px){
  .nav-inner{height:60px;}
  .logo-text{font-size:19px;}
  .logo-sub{display:none;}
  .logo-mark{width:36px; height:36px;}
  .logo-mark svg{width:18px; height:18px;}
  .nav-tel a{font-size:18px;}
  .nav-tel small{font-size:12px;}
}


/* ---- FLOATING ACTIONS (LINE / ドクターズ・ファイル) ---- */
.float-actions{position:fixed; right:16px; bottom:16px; z-index:200; display:flex; flex-direction:column; gap:10px; align-items:flex-end;}
.float-btn{display:inline-flex; align-items:center; gap:8px; text-decoration:none; font-family:'Noto Sans JP',sans-serif; font-size:15px; font-weight:500; letter-spacing:.02em; padding:11px 16px; border-radius:26px; box-shadow:0 4px 14px rgba(0,0,0,0.18); transition:transform .15s, box-shadow .2s; white-space:nowrap;}
.float-btn:hover{transform:translateY(-2px); box-shadow:0 6px 18px rgba(0,0,0,0.24);}
.float-btn svg{width:20px; height:20px; flex-shrink:0;}
.float-line{background:#06C755; color:#fff;}
.float-df{background:#fff; color:#3a7d5f;}
@media(max-width:480px){
  .float-actions{right:12px; bottom:12px; gap:8px;}
  .float-btn{font-size:0; padding:13px; border-radius:50%; gap:0;}
  .float-btn svg{width:22px; height:22px;}
}
