:root{--ink:#141410;--ink-2:#22221C;--lime:#AACB3E;--lime-deep:#7C9A28;--lime-pale:#E7F0C6;--paper:#FAFAF6;--white:#FFFFFF;--text:#1B1C16;--text-soft:#63665C;--line:#E4E2D8;--error:#B3402A;--radius:16px;--maxw-narrow:760px}*{box-sizing:border-box}@media (prefers-reduced-motion: reduce){*{animation-duration:0.001ms !important;transition-duration:0.001ms !important}}body{margin:0;font-family:'Noto Sans JP', sans-serif;color:var(--text);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:'Zen Kaku Gothic New', sans-serif;margin:0;color:var(--ink);font-weight:700}a{color:inherit}button{font-family:inherit}:focus-visible{outline:2px solid var(--lime-deep);outline-offset:2px}.wrap-narrow{max-width:var(--maxw-narrow);margin:0 auto;padding:0 24px}header{border-bottom:1px solid var(--line);background:var(--white);position:sticky;top:0;z-index:30}.header-inner{display:flex;align-items:center;justify-content:space-between;height:66px;max-width:var(--maxw-narrow);margin:0 auto;padding:0 24px}.logo{font-family:'Zen Kaku Gothic New', sans-serif;font-size:18px;font-weight:900;color:var(--ink);display:flex;align-items:center;gap:9px;text-decoration:none}.logo .mark{width:26px;height:26px;border-radius:50%;background:var(--ink);position:relative;flex-shrink:0}.logo .mark::after{content:"K";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--lime);font-size:13px;font-weight:900}.back-link{font-size:13px;color:var(--text-soft);text-decoration:none;display:flex;align-items:center;gap:6px}.back-link:hover{color:var(--ink)}.progress-wrap{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0;position:sticky;top:66px;z-index:29}.progress-wrap[hidden]{display:none}.progress-track{display:flex;align-items:center;gap:4px;max-width:var(--maxw-narrow);margin:0 auto;padding:0 24px}.progress-seg{flex:1;height:4px;border-radius:4px;background:var(--line)}.progress-seg.done,.progress-seg.active{background:var(--lime)}.progress-label{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--text-soft);max-width:var(--maxw-narrow);margin:10px auto 0;padding:0 24px;display:flex;justify-content:space-between}.progress-label b{color:var(--ink)}@media (max-width: 960px){header{position:static}.progress-wrap{top:0}}main{padding:28px 0 160px}.step{display:none}.step.active{display:block;animation:fadeIn .35s ease}@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.step h2{font-size:22px;margin-bottom:8px}.step .step-desc{color:var(--text-soft);font-size:14px;margin-bottom:28px}.step-note{font-size:12.5px;color:var(--text-soft);margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}.subsection-title{font-size:13px;font-weight:700;color:var(--ink);margin:28px 0 16px;padding-top:20px;border-top:1px dashed var(--line)}.subsection-title:first-child{border-top:none;padding-top:0;margin-top:0}.choice-grid{display:grid;gap:12px;align-items:start}.choice-grid.cols-2{grid-template-columns:1fr 1fr}.choice{display:block;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--white);padding:16px 18px;cursor:pointer;position:relative;transition:border-color .2s ease, background .2s ease}.choice:hover{border-color:var(--lime)}.choice input{position:absolute;opacity:0;width:0;height:0}.choice .title{font-weight:700;font-size:14.5px;display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.choice .title>span:first-child{text-wrap:balance}.choice .sub{font-size:12.5px;color:var(--text-soft);margin-top:5px}.choice .dot{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line);flex-shrink:0;position:relative}.choice.selected .dot{border-color:var(--lime-deep);background:var(--lime-deep)}.choice.selected .dot::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--white)}.choice.selected{border-color:var(--lime-deep);background:var(--lime-pale)}.choice.compact{padding:12px 16px}.field{margin-bottom:22px}.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:8px}.field .req{color:var(--error);margin-left:2px}.field .optional-tag{color:var(--text-soft);font-size:11.5px;font-weight:500;margin-left:6px}.field input[type="text"],.field input[type="email"],.field input[type="tel"],.field input[type="number"],.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:14.5px;font-family:inherit;background:var(--white);color:var(--text);transition:border-color .2s ease}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--lime-deep);outline:none}.field .hint{font-size:12px;color:var(--text-soft);margin-top:6px}.error-msg{font-size:12px;color:var(--error);margin-top:6px;display:none}.field.invalid input,.field.invalid select{border-color:var(--error)}.field.invalid .error-msg{display:block}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-box{border:1px solid var(--line);background:var(--white);border-radius:12px;padding:16px 18px;font-size:12.8px;color:var(--text-soft);margin-bottom:26px}.note-box b{color:var(--ink)}.summary-block{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);margin-bottom:16px;overflow:hidden}.summary-head{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--paper);border-bottom:1px solid var(--line)}.summary-head span{font-size:13px;font-weight:700;color:var(--ink)}.summary-head a{font-size:12.5px;color:var(--lime-deep);font-weight:600;text-decoration:none;border-bottom:1px solid var(--lime-deep)}.summary-rows{padding:6px 20px}.summary-row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px}.summary-row:last-child{border-bottom:none}.summary-row .k{color:var(--text-soft);flex-shrink:0}.summary-row .v{text-align:right;font-weight:600;color:var(--ink)}.step-nav{display:flex;justify-content:space-between;margin-top:36px;margin-bottom:20px;gap:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;border-radius:100px;font-size:14.5px;font-weight:700;cursor:pointer;border:none;transition:transform .2s ease, background .2s ease}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:var(--ink-2);transform:translateY(-1px)}.btn-lime{background:var(--lime);color:var(--ink)}.btn-lime:hover{background:#BFDB5C;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-soft);border:1.5px solid var(--line)}.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.done-screen{text-align:center;padding:40px 0}.done-icon{width:64px;height:64px;border-radius:50%;background:var(--ink);margin:0 auto 24px;display:flex;align-items:center;justify-content:center}.done-icon::after{content:"✓";color:var(--lime);font-size:28px;font-weight:700}.done-screen h2{font-size:24px;margin-bottom:12px}.done-screen p{color:var(--text-soft);font-size:14.5px;max-width:480px;margin:0 auto}.guide-screen{text-align:center;padding:30px 0 10px}.guide-screen .guide-icon{width:60px;height:60px;border-radius:50%;background:var(--ink);margin:0 auto 22px;position:relative}.guide-screen .guide-icon::after{content:"";position:absolute;inset:16px;border-radius:50%;background:var(--lime)}.guide-screen h2{font-size:21px;margin-bottom:12px}.guide-screen p{color:var(--text-soft);font-size:14.5px;max-width:440px;margin:0 auto 28px}.guide-cta{display:inline-flex;align-items:center;gap:8px}@media (max-width: 640px){.choice-grid.cols-2,.field-row{grid-template-columns:1fr}.progress-label{display:none}.step-nav{flex-direction:column-reverse}.step-nav .btn{width:100%;justify-content:center}}