:root{--bg:#fff;--surface:#fafafa;--surface-2:#f4f4f6;--text:#0a0a0b;--muted:#6b7280;--faint:#9ca3af;--border:#e7e7ea;--border-strong:#d4d4d8;--accent:#0a0a0b;--accent-contrast:#fff;--required:#b91c1c;--required-bg:#fef2f2;--notice:#92651a;--notice-bg:#fdf6ec;--notice-border:#ecd9b0;--radius:12px;--radius-sm:8px;--maxw:1160px;--rail:232px;--font-sans:"M PLUS 1", "Zen Kaku Gothic New", "Inter", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--font-mono:ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", monospace}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#14161c;--surface:#1a1e27;--surface-2:#222736;--text:#e7eaf1;--muted:#99a2b4;--faint:#666f82;--border:#2a303e;--border-strong:#3a4256;--accent:#aebfe0;--accent-contrast:#14161c;--required:#e58a8a;--required-bg:#251c22;--notice:#d9b877;--notice-bg:#221e16;--notice-border:#3a3324}}:root[data-theme=dark]{--bg:#14161c;--surface:#1a1e27;--surface-2:#222736;--text:#e7eaf1;--muted:#99a2b4;--faint:#666f82;--border:#2a303e;--border-strong:#3a4256;--accent:#aebfe0;--accent-contrast:#14161c;--required:#e58a8a;--required-bg:#251c22;--notice:#d9b877;--notice-bg:#221e16;--notice-border:#3a3324}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;line-height:1.6}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:700;line-height:1.25}button{font-family:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.bg-grid{z-index:-1;pointer-events:none;width:100%;height:100%;position:fixed;inset:0}:root[data-theme=dark] .bg-grid{display:none}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .bg-grid{display:none}}.topbar{z-index:20;background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:saturate(180%)blur(8px);backdrop-filter:saturate(180%)blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0}.topbar__inner{max-width:var(--maxw);justify-content:space-between;align-items:center;gap:16px;margin:0 auto;padding:14px 24px;display:flex}.brand{align-items:center;gap:10px;min-width:0;display:flex}.brand__mark{background:var(--accent);border-radius:2px;flex:none;width:9px;height:9px}.brand__title{letter-spacing:-.01em;font-size:15px;font-weight:700}.brand__sub{font-family:var(--font-mono);color:var(--faint);letter-spacing:.04em;text-transform:uppercase;font-size:11px}@media (width<=520px){.brand__sub{display:none}}.controls{align-items:center;gap:8px;display:flex}.saved{color:var(--muted);font-size:12px;font-family:var(--font-mono);opacity:0;white-space:nowrap;transition:opacity .3s}.saved.is-show{opacity:1}.btn{font-family:var(--font-sans);border:1px solid var(--border-strong);background:var(--bg);color:var(--text);cursor:pointer;border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;transition:background .15s,border-color .15s}.btn:hover{background:var(--surface-2)}.btn--icon{padding:7px 10px}.topprogress{background:0 0;height:2px;overflow:hidden}.topprogress__fill{background:var(--accent);width:0%;height:100%;transition:width .5s cubic-bezier(.2,.7,.2,1)}.viewbanner{max-width:var(--maxw);margin:16px auto 0;padding:0 24px}.viewbanner__inner{border:1px dashed var(--border-strong);border-radius:var(--radius);background:var(--surface);color:var(--muted);align-items:flex-start;gap:10px;padding:12px 16px;font-size:13px;display:flex}.viewbanner__tag{font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;color:var(--text);background:var(--surface-2);border:1px solid var(--border);white-space:nowrap;border-radius:6px;flex:none;padding:2px 7px;font-size:11px}.layout{max-width:var(--maxw);grid-template-columns:var(--rail) 1fr;align-items:start;gap:40px;margin:0 auto;padding:24px;display:grid}@media (width<=860px){.layout{grid-template-columns:1fr;gap:20px}.rail{position:static}.rail__steps{display:none}}.rail{background:var(--bg);border-radius:var(--radius);position:sticky;top:84px}.rail__label{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-bottom:12px;font-size:11px}.rail__steps{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.rail__step{text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--muted);cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:8px 10px;font-family:inherit;font-size:13.5px;transition:background .15s,color .15s;display:flex}.rail__step:hover{background:var(--surface-2);color:var(--text)}.rail__step.is-current{background:var(--surface-2);color:var(--text);font-weight:700}.rail__dot{border:1.5px solid var(--border-strong);border-radius:50%;flex:none;width:7px;height:7px}.rail__step.is-current .rail__dot,.rail__step.is-complete .rail__dot{background:var(--accent);border-color:var(--accent)}.rail__check{color:var(--accent);opacity:0;margin-left:auto;font-size:12px;transition:opacity .2s,transform .2s;transform:scale(.6)}.rail__step.is-complete .rail__check{opacity:1;transform:scale(1)}.rail__ring{border-top:1px solid var(--border);align-items:center;gap:12px;margin-top:20px;padding-top:18px;display:flex}.ring{flex:none;width:44px;height:44px;transform:rotate(-90deg)}.ring__track{fill:none;stroke:var(--border);stroke-width:4px}.ring__fill{fill:none;stroke:var(--accent);stroke-width:4px;stroke-linecap:round;transition:stroke-dashoffset .5s cubic-bezier(.2,.7,.2,1)}.rail__ringtext{flex-direction:column;display:flex}.rail__pct{font-family:var(--font-mono);color:var(--text);font-variant-numeric:tabular-nums;font-size:15px;font-weight:700}.rail__pctlabel{color:var(--faint);font-size:11px}.main{background:var(--bg);border-radius:var(--radius);min-width:0}.doc-head{margin-bottom:28px}.doc-head h1{text-wrap:balance;font-size:clamp(22px,3vw,28px)}.doc-head p{color:var(--muted);white-space:pre-line;max-width:62ch;margin:10px 0 0;font-size:14.5px}.intro-group{margin-bottom:28px}.intro-note{font-family:var(--font-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--faint);margin:0 0 12px;font-size:11px}.accordion{flex-direction:column;gap:8px;display:flex}details.panel{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden}details.panel>summary,details.summary>summary,details.note>summary{cursor:pointer;list-style:none}details.panel>summary::-webkit-details-marker{display:none}details.summary>summary::-webkit-details-marker{display:none}details.note>summary::-webkit-details-marker{display:none}details.panel>summary{align-items:center;gap:12px;padding:15px 18px;font-size:14.5px;font-weight:700;display:flex}details.panel>summary:before{content:"▸";color:var(--faint);flex:none;font-size:11px;transition:transform .15s}details.panel[open]>summary:before{transform:rotate(90deg)}.panel>summary .idx{font-family:var(--font-mono);color:var(--faint);border:1px solid var(--border);border-radius:5px;flex:none;padding:2px 6px;font-size:11px;font-weight:400}.panel__body{color:var(--text);padding:4px 18px 20px;font-size:13.5px}.panel__body p{margin:0 0 12px}.panel__body p.muted{color:var(--muted)}.panel__body ul{margin:0 0 14px;padding:0;list-style:none}.panel__body li{color:var(--muted);margin-bottom:7px;padding-left:20px;position:relative}.panel__body li:before{content:"→";color:var(--text);position:absolute;left:0}.panel__body h3{margin:16px 0 8px;font-size:13.5px}.panel__body .example{border-left:2px solid var(--border-strong);color:var(--muted);margin:0 0 12px;padding-left:14px}.sites{flex-wrap:wrap;gap:8px;margin:4px 0 12px;display:flex}.site{border:1px solid var(--border-strong);background:var(--bg);border-radius:999px;padding:4px 12px;font-size:12.5px}.callout{border:1px solid var(--border-strong);background:var(--bg);border-radius:var(--radius-sm);color:var(--muted);margin:4px 0 0;padding:12px 14px;font-size:12.5px}.picker{margin-bottom:36px}.picker__q{flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:12px;display:flex}.picker__num,.q__num{font-family:var(--font-mono);color:var(--faint);flex:none;font-size:12px}.picker__title{font-size:15px;font-weight:700}.badge{font-family:var(--font-mono);letter-spacing:.03em;white-space:nowrap;border-radius:5px;padding:2px 7px;font-size:10.5px}.badge--req{color:var(--required);background:var(--required-bg)}.badge--opt{color:var(--muted);background:var(--surface-2)}.cards{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}@media (width<=620px){.cards{grid-template-columns:1fr}}.card{border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg);cursor:pointer;text-align:left;color:inherit;flex-direction:column;gap:6px;padding:14px;font-family:inherit;transition:border-color .15s,background .15s;display:flex}.card:hover{border-color:var(--text)}.card.is-selected{border-color:var(--accent);background:var(--surface);box-shadow:inset 0 0 0 1px var(--accent)}.card__name{align-items:center;gap:8px;font-size:14.5px;font-weight:700;display:flex}.card__radio{border:1.5px solid var(--border-strong);border-radius:50%;flex:none;width:15px;height:15px}.card.is-selected .card__radio{border-color:var(--accent);box-shadow:inset 0 0 0 3px var(--bg), inset 0 0 0 5px var(--accent)}.card__desc{color:var(--muted);font-size:12.5px}.card__count{font-family:var(--font-mono);color:var(--faint);margin-top:auto;font-size:11px}.section{border-top:1px solid var(--border);margin-top:20px;padding-top:20px;scroll-margin-top:84px}.section.reveal{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(8px)}.section.reveal.is-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.section.reveal{opacity:1;transition:none;transform:none}}.section__head{align-items:baseline;gap:12px;margin-bottom:4px;display:flex}.section__kicker{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--faint);font-size:11px}.section__title{font-size:18px;font-weight:700}.section__desc{color:var(--muted);white-space:pre-line;margin:6px 0 0;font-size:13px}.section__body{flex-direction:column;gap:26px;margin-top:22px;display:flex}.q{border:0;margin:0;padding:0}.q__label{flex-wrap:wrap;align-items:baseline;gap:10px;margin-bottom:8px;display:flex}.q__text{font-size:14.5px;font-weight:600}.q__sub{font-weight:500}.q__help{color:var(--muted);white-space:pre-line;margin:0 0 10px;font-size:12.5px}.input,.textarea{width:100%;font-family:var(--font-sans);color:var(--text);background:var(--bg);border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;transition:border-color .15s,box-shadow .15s}.input:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent);outline:none}.input.is-invalid,.textarea.is-invalid{border-color:var(--required)}.textarea{resize:vertical;min-height:96px}.input--sm{max-width:260px}.opts{flex-direction:column;gap:8px;display:flex}.opt{cursor:pointer;align-items:flex-start;gap:10px;font-size:14px;display:flex}.opt input{accent-color:var(--accent);flex:none;width:15px;height:15px;margin-top:3px}.opt__excl{font-family:var(--font-mono);color:var(--faint);margin-left:4px;font-size:10.5px}details.note{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);margin-top:10px;overflow:hidden}details.note>summary{color:var(--muted);align-items:center;gap:8px;padding:9px 12px;font-size:12.5px;font-weight:600;display:flex}details.note>summary:before{content:"▸";font-size:10px;transition:transform .15s}details.note[open]>summary:before{transform:rotate(90deg)}.note__body{color:var(--muted);white-space:pre-line;padding:0 12px 12px;font-size:12px}.filebox{border:1px dashed var(--border-strong);border-radius:var(--radius-sm);background:var(--surface);text-align:center;color:var(--muted);padding:16px;font-size:13px}.filebox strong{color:var(--text);font-weight:600}.field-error{color:var(--required);margin-top:8px;font-size:12.5px;font-weight:600}.char-counter{font-family:var(--font-mono);color:var(--faint);text-align:right;font-variant-numeric:tabular-nums;margin:4px 0 0;font-size:11px}.char-counter.is-near{color:var(--required)}.reclass{border:1px solid var(--notice-border);background:var(--notice-bg);border-radius:var(--radius);margin-top:14px;padding:14px 16px}.reclass__title{color:var(--notice);align-items:center;gap:8px;font-size:13.5px;font-weight:700;display:flex}.reclass__msg{color:var(--text);margin:6px 0 12px;font-size:12.5px}.reclass__actions{flex-wrap:wrap;gap:8px;display:flex}.reclass__btn{cursor:pointer;border:1px solid var(--notice-border);background:var(--bg);color:var(--text);border-radius:999px;padding:6px 12px;font-family:inherit;font-size:12.5px;font-weight:600}.reclass__btn--primary{background:var(--accent);color:var(--accent-contrast);border-color:var(--accent)}details.summary{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-top:40px;overflow:hidden}.summary__head{flex-wrap:wrap;align-items:baseline;gap:12px;padding:16px 18px;display:flex}.summary__head>span:first-child{align-items:center;gap:10px;font-size:15px;font-weight:700;display:flex}.summary__head>span:first-child:before{content:"▸";color:var(--faint);font-size:11px;transition:transform .15s}details.summary[open] .summary__head>span:first-child:before{transform:rotate(90deg)}.summary__hint{color:var(--faint);font-size:12px}.summary__body{padding:4px 18px 18px}.summary__row{border-top:1px solid var(--border);grid-template-columns:220px 1fr;gap:14px;padding:10px 0;font-size:13px;display:grid}@media (width<=620px){.summary__row{grid-template-columns:1fr;gap:3px}}.summary__q{color:var(--muted)}.summary__q b{font-family:var(--font-mono);color:var(--faint);margin-right:6px;font-size:11px;font-weight:400}.summary__a{color:var(--text);white-space:pre-line}.summary__a.is-empty{color:var(--faint);font-style:italic}.submitbar{z-index:15;margin-top:28px;position:sticky;bottom:0}.submitbar__inner{background:color-mix(in srgb, var(--bg) 90%, transparent);-webkit-backdrop-filter:saturate(180%)blur(8px);backdrop-filter:saturate(180%)blur(8px);border:1px solid var(--border);border-radius:var(--radius);justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;display:flex;box-shadow:0 4px 24px -12px #00000040}.submitbar__status{color:var(--muted);align-items:center;gap:10px;font-size:13px;display:flex}.submitbar__count{font-family:var(--font-mono);color:var(--required);font-weight:600}.submitbar__count.is-done{color:var(--muted)}.submit{font-family:var(--font-sans);border:1px solid var(--accent);background:var(--accent);color:var(--accent-contrast);cursor:pointer;border-radius:999px;padding:10px 22px;font-size:14px;font-weight:700}.submit:disabled{cursor:not-allowed;opacity:.45}.footnote{text-align:center;color:var(--faint);font-size:11.5px;font-family:var(--font-mono);margin:20px 0 8px}