:root{--bg:#f5f9fc;--card:#fff;--ink:#172532;--muted:#687887;--line:#d8e5ef;--accent:#2376b9;--accent2:#185b91;--soft:#eaf4fb;--danger:#a23932;--shadow:0 18px 50px rgba(34,92,138,.09)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.7}.shell{width:min(860px,calc(100% - 32px));margin:0 auto}.landing{padding:64px 0;text-align:center}.brand{font-size:.82rem;letter-spacing:.18em;color:var(--accent);font-weight:800}.landing h1{font-size:clamp(1.8rem,5vw,2.6rem);margin:.35em 0}.lead{font-size:1.05rem;color:var(--muted);margin-bottom:36px}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.choice-card{display:flex;flex-direction:column;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:.15s}.choice-card:hover{transform:translateY(-2px);border-color:var(--accent)}.choice-card strong{font-size:1.25rem;margin-bottom:6px}.choice-card span{color:var(--muted)}.privacy-note,.small{font-size:.9rem;color:var(--muted);margin-top:26px}.progress-head{position:sticky;top:0;background:rgba(245,249,252,.95);backdrop-filter:blur(8px);z-index:10;border-bottom:1px solid var(--line)}.progress-inner{width:min(860px,calc(100% - 32px));margin:0 auto;padding:14px 0 12px}.progress-inner>div:first-child{display:flex;justify-content:space-between;align-items:center}.section-label{font-weight:750}.percent{color:var(--muted);font-variant-numeric:tabular-nums}.bar{height:7px;background:#dce9f3;border-radius:99px;overflow:hidden;margin-top:8px}.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#63afe0);border-radius:99px;transition:width .25s}.question-shell{padding:38px 0 70px}.section-note{background:var(--soft);border:1px solid #cfe3f2;border-radius:14px;padding:16px 18px;margin-bottom:28px;color:#365b75}.question-no{font-size:.8rem;color:var(--muted);font-weight:700;letter-spacing:.08em}.question-title{font-size:clamp(1.35rem,4vw,1.8rem);line-height:1.45;margin:.35em 0 .5em}.required{display:inline-block;font-size:.7rem;color:#fff;background:var(--accent);border-radius:999px;padding:2px 8px;margin-left:10px;vertical-align:middle}.help{color:var(--muted);margin-top:-4px}.answer-form{margin-top:28px}.text-input,.text-area{width:100%;border:1px solid var(--line);background:var(--card);border-radius:14px;padding:15px 16px;font:inherit;color:var(--ink);outline:none}.text-input:focus,.text-area:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(35,118,185,.13)}.option-list{display:grid;gap:10px}.option{display:flex;align-items:flex-start;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer}.option:has(input:checked){border-color:var(--accent);background:var(--soft)}.option input{margin-top:.38em;accent-color:var(--accent)}.count-hint,.matrix-caption{margin-top:10px;color:var(--muted);font-size:.9rem}.scale{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}.scale-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:.82rem;gap:8px}.scale-buttons{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:15px}.scale-buttons label input{position:absolute;opacity:0}.scale-buttons label span{display:flex;justify-content:center;align-items:center;border:1px solid var(--line);border-radius:12px;height:50px;cursor:pointer;font-weight:700}.scale-buttons label input:checked+span{background:var(--accent);color:#fff;border-color:var(--accent)}.matrix{display:grid;gap:14px}.matrix-row{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px}.matrix-title{font-weight:700;margin-bottom:10px}.matrix-controls{display:flex;gap:7px;flex-wrap:wrap}.matrix-controls label input{position:absolute;opacity:0}.matrix-controls label span{display:inline-flex;min-width:42px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;cursor:pointer}.matrix-controls label input:checked+span{background:var(--accent);border-color:var(--accent);color:#fff}.matrix-controls .na span{padding:0 12px}.nav-buttons{display:flex;justify-content:space-between;gap:16px;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 24px;font:inherit;font-weight:750;text-decoration:none;cursor:pointer;border:1px solid transparent}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent2)}.btn.secondary{background:var(--card);border-color:var(--line);color:var(--ink)}.btn.inline{margin-top:24px}.error{background:#fff1f0;border:1px solid #edc3bf;color:var(--danger);padding:12px 14px;border-radius:12px;margin:18px 0}.finish-card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:var(--shadow)}.complete-mark{width:74px;height:74px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--soft);color:var(--accent);font-size:2.4rem;font-weight:800;margin:10px auto 20px}.mail-ok{color:var(--accent);font-weight:700}.mail-warn{color:#9b5b20;font-weight:700}@media(max-width:650px){.choice-grid{grid-template-columns:1fr}.landing{padding:38px 0}.question-shell{padding-top:26px}.scale-labels{font-size:.7rem}.btn{padding:11px 18px}.matrix-controls label span{min-width:38px}}
@media print{.progress-head,.nav-buttons,.btn{display:none!important}.shell{width:100%}body{background:#fff}}
.brand-row{display:flex;align-items:center;justify-content:center;gap:22px;margin-bottom:8px}.brand-row .lang-switch{margin:0}.lang-switch{font-size:.9rem}.lang-switch a{color:var(--accent);font-weight:700;text-decoration:none}.lang-switch a:hover{text-decoration:underline}.question-brand-row{justify-content:space-between;margin-bottom:20px}.question-brand-row .brand{font-size:.78rem}@media(max-width:650px){.brand-row{gap:16px}.question-brand-row{margin-bottom:16px}}
/* v0.6 language switch */
.brand-row{gap:36px}
.lang-switch{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;color:var(--muted);font-size:.88rem}
.lang-switch a{color:var(--accent);font-weight:700;text-decoration:none}
.lang-switch a:hover{text-decoration:underline;text-underline-offset:3px}
.lang-current{color:var(--accent2);font-weight:800;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.lang-bracket,.lang-sep{color:var(--muted);font-weight:500}
.question-brand-row{justify-content:flex-start;gap:36px}
@media(max-width:650px){.brand-row,.question-brand-row{gap:22px}.lang-switch{font-size:.82rem}}
.callsign-field{display:grid;gap:14px}.callsign-none-option{margin-top:2px}.callsign-alternate{display:grid;gap:8px;padding:16px;background:var(--soft);border:1px solid #cfe3f2;border-radius:14px}.callsign-alternate.is-hidden{display:none}.field-label{font-weight:700;color:var(--ink)}.callsign-input:disabled{background:#edf2f6;color:var(--muted);cursor:not-allowed}