:root{--bg-grad:linear-gradient(180deg,#fff5fc 0%, #ffe9f3 55%, #fff5fc 100%);--surface:#fff;--primary:#e97da0;--primary-d:#d5658a;--secondary:#8126d2;--ink:#2c2c2c;--sub:#6b6b6b;--border:#f0ddea;--ring:rgba(233,125,160,.35);--radius:18px;--shadow:0 10px 30px rgba(0,0,0,.08)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}
body{background:var(--bg-grad);color:var(--ink);font-family:'Noto Sans JP',system-ui,-apple-system,'Hiragino Kaku Gothic ProN',Meiryo,sans-serif;line-height:1.75;font-size:16px}
.container{max-width:100%;padding:0 16px;margin:0 auto}
@media (min-width:560px){.container{max-width:640px}}@media(min-width:960px){.container{max-width:980px}}

.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.7);backdrop-filter:saturate(1.1) blur(6px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:10px;padding:10px 0}
.logo{font-weight:800;font-size:clamp(18px,3.2vw,22px);color:var(--secondary);text-decoration:none;margin-right:auto}
.nav{display:none;gap:10px}.nav a{padding:8px 10px;border-radius:999px;text-decoration:none;color:#555}.nav a:hover{background:#f8f1f7}.nav.open{display:flex;flex-wrap:wrap}
.nav-toggle{margin-left:8px;font-size:22px;padding:6px 10px;border-radius:10px;border:1px solid var(--border);background:#fff}
@media (min-width:920px){.nav{display:flex}.nav-toggle{display:none}}

.hero{padding:24px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--border);margin:16px 0}
.kicker{display:inline-block;color:var(--secondary);font-weight:700;letter-spacing:.08em;margin-bottom:6px}
.hero h2{font-size:clamp(22px,6vw,36px);line-height:1.3;margin:.2em 0 .3em}

.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;cursor:pointer;padding:12px 18px;border-radius:999px;text-decoration:none;border:1px solid transparent;transition:.15s;box-shadow:var(--shadow);font-weight:600}
.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-d)}.btn.ghost{background:#fff;border-color:#ead8e6;color:#444}.btn.ghost:hover{border-color:#e9cfe0}
.btn:focus{outline:3px solid var(--ring);outline-offset:2px}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.grid{display:grid;gap:14px}.cols-3{grid-template-columns:1fr}@media(min-width:720px){.cols-3{grid-template-columns:repeat(3,1fr)}}

.progress{height:6px;border-radius:999px;background:#ffe4f0;overflow:hidden;margin:8px 0 12px}.progress>.bar{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--secondary))}

.footer-inner{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding:16px 0}
.footer-inner .links{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.footer-inner a{color:#9aa; text-decoration:none}
.footer-inner a:hover{color:#677}
.copy{color:#888}

/* ---- Full-height quiz with bubbles ---- */
.quiz-wrap{min-height:72vh;display:flex;flex-direction:column;justify-content:center;align-items:center}
.q-title{font-weight:800;margin:10px 0;text-align:center}
.bubbles{display:grid;grid-template-columns:repeat(8,1fr);gap:10px;margin-top:6px;width:100%}
.bubble{display:flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--border);background:#fff;color:#666;cursor:pointer;transition:transform .05s ease, background .1s;aspect-ratio:1/1}
.bubble.active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* size gradation */
.bubble.s1{transform:scale(.82)}.bubble.s2{transform:scale(.88)}.bubble.s3{transform:scale(.94)}.bubble.s4{transform:scale(1.0)}
.bubble.s5{transform:scale(1.06)}.bubble.s6{transform:scale(1.12)}.bubble.s7{transform:scale(1.18)}.bubble.s8{transform:scale(1.24)}
.labels{display:flex;justify-content:space-between;width:100%;font-size:13px;color:#666;margin-top:6px}

.rel-layout{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:900px){.rel-layout{grid-template-columns:360px 1fr}}
.pill{display:inline-block;padding:6px 10px;border:1px solid var(--border);border-radius:999px;background:#fff;margin:2px}.pill:hover{background:#fff0f6}