:root{
  --bg:#eaf0fb;
  --bg-soft:#f3f7ff;
  --card:#ffffff;
  --ink:#1f2633;
  --muted:#6b7280;
  --line:#e6e9f0;
  --primary:#34b48a;
  --primary-2:#2f9d78;
  --primary-soft:#effaf4;
  --accent:#7c5cff;
  --accent-soft:#efeaff;
  --cta-a:#7c3aed;
  --cta-b:#ec4899;
  --radius:18px;
  --radius-sm:14px;
  --shadow:0 10px 30px rgba(31,38,51,.08);
  --shadow-sm:0 4px 14px rgba(31,38,51,.06);
  --font:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  word-break:normal;
  overflow-wrap:anywhere;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(1.2) blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .bar{
  max-width:900px;margin:0 auto;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;
}
.site-header .back{
  color:var(--primary-2);font-weight:600;font-size:.95rem;
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
}
.site-header .back:hover{text-decoration:underline}
.site-header .title{
  flex:1;text-align:center;font-weight:800;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.site-header .spacer{flex:0 0 auto;width:64px}

/* ---------- layout ---------- */
.wrap{max-width:760px;margin:0 auto;padding:28px 20px 64px}
.hero{
  background:var(--bg-soft);
  border-radius:var(--radius);
  padding:40px 28px;text-align:center;margin-bottom:28px;
}
.hero h1{font-size:2rem;line-height:1.35;margin:0 0 14px;font-weight:800;letter-spacing:.01em}
.hero p{color:var(--muted);margin:0;white-space:pre-line;font-size:1.02rem}

/* ---------- buttons / options ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:none;cursor:pointer;font-family:inherit;font-weight:700;
  border-radius:var(--radius-sm);padding:16px 28px;font-size:1.05rem;
  transition:transform .12s ease,box-shadow .12s ease,background .12s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  box-shadow:0 8px 22px rgba(52,180,138,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(52,180,138,.42)}
.btn-cta{
  color:#fff;width:100%;
  background:linear-gradient(135deg,var(--cta-a),var(--cta-b));
  box-shadow:0 8px 22px rgba(124,58,237,.28);
}
.btn-cta:hover{transform:translateY(-2px)}
.btn-ghost{
  background:#fff;border:1px solid var(--line);color:var(--muted);
  padding:12px 22px;font-size:.95rem;box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{color:var(--ink)}

/* option list for the quiz */
.q-title{font-size:1.7rem;font-weight:800;margin:8px 0 22px}
.options{display:flex;flex-direction:column;gap:14px}
.option{
  text-align:left;background:#fff;border:1.5px solid var(--line);
  border-radius:var(--radius-sm);padding:20px 22px;font-size:1.1rem;font-weight:600;
  cursor:pointer;font-family:inherit;color:var(--ink);
  box-shadow:var(--shadow-sm);transition:border-color .12s,box-shadow .12s,transform .12s,background .12s;
}
.option:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-1px)}
.option:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.q-foot{margin-top:26px;display:flex;justify-content:center}

/* progress */
.progress{height:6px;background:#e2e8f4;border-radius:99px;overflow:hidden;margin-bottom:26px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-2));width:0;transition:width .3s ease}

/* ---------- result ---------- */
.result-top{text-align:center;padding:12px 0 6px}
.result-check{
  width:96px;height:96px;border-radius:50%;margin:6px auto 18px;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:2.6rem;
  background:linear-gradient(135deg,#5cc79a,var(--primary-2));
  box-shadow:0 14px 30px rgba(47,157,120,.35);
}
.result-top h1{font-size:2rem;margin:0 0 8px}
.result-top p{color:var(--muted);margin:0 0 24px}
.category-banner{
  border-radius:var(--radius);padding:30px 28px;color:#fff;margin:8px 0 10px;
  background:linear-gradient(120deg,#4db999,#2f9d78);
  box-shadow:var(--shadow);
}
.category-banner .cat{font-size:1.7rem;font-weight:800}
.category-banner .lead{margin-top:8px;opacity:.95;font-weight:500}

.section-head{display:flex;align-items:center;gap:12px;margin:34px 0 6px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent-soft);color:#6d4bd8;font-weight:700;
  padding:7px 14px;border-radius:99px;font-size:.9rem;white-space:nowrap;
}
.section-head h2{font-size:1.35rem;margin:0;font-weight:800}
.section-sub{color:var(--muted);margin:2px 0 18px}

.ep-card{
  background:#fff;border:1.5px solid var(--accent-soft);border-radius:var(--radius);
  padding:24px;margin-bottom:18px;box-shadow:var(--shadow-sm);
  display:flex;gap:18px;
}
.ep-icon{
  flex:0 0 auto;width:52px;height:52px;border-radius:14px;
  background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:1.5rem;
}
.ep-body{flex:1;min-width:0}
.ep-title{font-size:1.2rem;font-weight:800;line-height:1.45;margin:2px 0 12px}
.ep-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{background:#f1f3f9;color:var(--muted);border-radius:99px;padding:4px 12px;font-size:.82rem;font-weight:600}
.tag.rec{background:var(--accent-soft);color:#6d4bd8}
.ep-reason{color:#4b5563;margin:0 0 14px}
.ep-meta{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.ep-listen-note{color:var(--muted);font-size:.85rem;margin-top:8px;text-align:center}

/* ---------- home ---------- */
.platforms{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px}
.platforms a{
  background:#fff;border:1px solid var(--line);border-radius:99px;
  padding:10px 20px;font-weight:600;box-shadow:var(--shadow-sm);
}
.platforms a:hover{border-color:var(--primary)}
.home-cta{text-align:center;margin:30px 0}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.feature{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.feature .emoji{font-size:1.6rem}
.feature h3{margin:8px 0 4px;font-size:1.05rem}
.feature p{margin:0;color:var(--muted);font-size:.92rem}

.footer{max-width:760px;margin:0 auto;padding:24px 20px 48px;text-align:center;color:var(--muted);font-size:.86rem}

/* ---------- misc ---------- */
.center{text-align:center}
.muted{color:var(--muted)}
.hidden{display:none!important}
.spinner{margin:60px auto;width:38px;height:38px;border-radius:50%;border:4px solid #dfe6f2;border-top-color:var(--primary);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media(max-width:560px){
  .site-header .bar{padding:12px 14px;gap:6px;flex-wrap:nowrap}
  .site-header .back{font-size:.8rem}
  .site-header .title{font-size:.86rem;white-space:nowrap;gap:5px}
  .site-header .spacer{width:20px}
  .hero{padding:30px 20px}
  .hero h1{font-size:1.7rem}
  .q-title{font-size:1.4rem}
  .result-top h1{font-size:1.7rem}
  .category-banner .cat{font-size:1.4rem}
  .feature-grid{grid-template-columns:1fr}
  .ep-card{padding:20px;gap:14px}
  .ep-icon{width:44px;height:44px}
}