/* ========== HANAWA 共通スタイル ========== */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --color-primary:#0077cc;--color-secondary:#00a0e6;
  --color-bg:#f8fbff;--color-text:#1f2937;--color-muted:#6b7280;
  --font-serif:"Noto Serif JP","Yu Mincho",serif;
  --font-sans:"Noto Sans JP","Hiragino Kaku Gothic ProN",sans-serif
}
html,body{height:100%}
body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:1.8;letter-spacing:.03em}
:target{scroll-margin-top:80px} section{scroll-margin-top:80px}
a,button{outline:none} a:focus-visible,button:focus-visible{outline:3px solid var(--color-secondary);outline-offset:2px;border-radius:6px}
.container{width:90%;max-width:1080px;margin:0 auto;padding:60px 0}

/* ===== Header ===== */
header{background-color:rgba(255,255,255,.95);padding:20px 0;position:fixed;top:0;width:100%;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.05);backdrop-filter:blur(10px);transition:.3s}
header.scrolled{background-color:rgba(255,255,255,.98);box-shadow:0 4px 20px rgba(0,0,0,.1);padding:15px 0}
.header-container{max-width:1200px;margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:600;color:#0E3A7E;text-decoration:none;height:50px}
nav ul{display:flex;list-style:none;gap:40px}
nav a{text-decoration:none;color:#333;font-size:14px;font-weight:500;transition:.3s;position:relative}
nav a:hover{color:#0E3A7E}
nav a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:#C6A885;transition:width .3s}
nav a:hover::after{width:100%}

/* ===== Hero（診断ページは低め） ===== */
.hero{background:url('/ai-lab/images/hero.png') center/cover no-repeat;padding:140px 24px 60px;text-align:center;min-height:60vh;display:grid;place-items:center;position:relative;overflow:hidden}
.hero-wrap{max-width:860px;margin:0 auto;position:relative;z-index:2}
.hero-eyebrow{display:inline-block;margin-bottom:18px;padding:6px 12px;border-radius:9999px;background:rgba(255,255,255,0.18);border:1px solid rgba(255,255,255,0.35);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;backdrop-filter:blur(8px)}
.hero h1{font-family:var(--font-serif);font-size:clamp(26px,4.2vw,38px);line-height:1.35;color:#fff;text-shadow:0 8px 28px rgba(0,0,0,.25);margin-bottom:12px}
.hero-sub{font-size:clamp(13px,2.2vw,16px);color:rgba(255,255,255,.96);margin:0 auto 20px}
.hero-note{color:rgba(255,255,255,.9);font-size:12px;margin-top:6px}

/* ===== Buttons ===== */
.btn{padding:12px 20px;font-size:15px;font-weight:700;border:none;border-radius:9999px;cursor:pointer;transition:.25s;text-decoration:none;display:inline-block;font-family:'Noto Sans JP',sans-serif}
.btn-primary{background:#ffffff;color:#0E3A7E;box-shadow:0 8px 26px rgba(0,0,0,.15)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.25)}
.btn-outline{background:transparent;color:#fff;border:2px solid #fff}
.btn-outline:hover{background:rgba(255,255,255,.14);transform:translateY(-3px)}

/* ===== Cards / Sections ===== */
.card{background:#fff;border-radius:12px;padding:24px;box-shadow:0 4px 14px rgba(0,0,0,.05)}
.section-title{font-size:26px;font-weight:700;color:#0E3A7E;text-align:center;margin-bottom:12px;font-family:var(--font-serif)}
.section-lead{text-align:center;color:#4b5563;margin:0 auto 28px;max-width:820px;font-size:15px}

/* ===== Footer ===== */
footer{background:#1a1a1a;color:#999;padding:50px 40px 30px;text-align:center;font-size:13px}
.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-bottom:40px;text-align:left}
.footer-section h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:15px}
.footer-section ul{list-style:none}
.footer-section ul li{margin-bottom:8px}
.footer-section a{color:#999;text-decoration:none;transition:.3s}
.footer-section a:hover{color:#C6A885}
.footer-divider{border-top:1px solid #333;padding-top:20px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;font-size:12px}

/* ===== Utilities for diagnosis ===== */
.notice{font-size:12px;color:#6b7280;margin-top:10px}
.qbox{font-size:16px;margin-bottom:12px}
.opts{display:flex;flex-wrap:wrap;gap:10px}
.opt{padding:10px 14px;border-radius:9999px;border:1px solid #dbe6f7;background:#fff;cursor:pointer;font-size:14px}
.opt:hover{background:#f0f7ff}
.result-card{max-width:840px;margin:0 auto}
.links-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* ===== Responsive ===== */
@media (max-width:768px){
  .header-container{padding:0 20px}
  nav ul{gap:20px} nav a{font-size:12px}
  .hero{padding:120px 18px 40px;min-height:auto}
  .footer-content{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:15px}
}