:root{--bg: #f5f7fa;--panel: #ffffff;--ink: #21303f;--ink-soft: #5b6b7b;--line: #e2e8f0;--brand: #2f7de1;--brand-dark: #205ba8;--green: #1f9d55;--green-bg: #e6f6ec;--blue: #2f7de1;--blue-bg: #e8f1fd;--gray: #7a8a99;--gray-bg: #eef2f6;--muted: #9aa7b4;--danger: #d6455b;--danger-bg: #fdecef;--warn-bg: #fff7e6;--radius: 14px;--shadow: 0 1px 3px rgba(20, 40, 70, .08), 0 6px 18px rgba(20, 40, 70, .06);font-family:system-ui,-apple-system,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6}a{color:var(--brand)}button{font-family:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:216px;background:var(--panel);border-right:1px solid var(--line);padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}.sidebar .logo{font-weight:800;font-size:18px;padding:6px 10px 14px;color:var(--brand-dark)}.nav-item{display:flex;align-items:center;gap:10px;width:100%;border:none;background:none;text-align:left;padding:10px 12px;border-radius:10px;color:var(--ink);font-size:14px;cursor:pointer}.nav-item:hover{background:var(--gray-bg)}.nav-item.active{background:var(--blue-bg);color:var(--brand-dark);font-weight:700}.nav-emoji{font-size:17px}.main{flex:1;padding:28px 34px 64px;max-width:1100px;margin:0 auto;width:100%}.page-title{font-size:24px;font-weight:800;margin:0 0 4px}.page-lead{color:var(--ink-soft);margin:0 0 22px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.grid{display:grid;gap:16px}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;padding:10px 16px;font-size:14px;cursor:pointer;transition:filter .12s}.btn:hover:not(:disabled){filter:brightness(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.success{background:var(--green);border-color:var(--green);color:#fff}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.ghost{background:transparent;border-color:transparent;color:var(--brand-dark)}.btn.big{padding:16px 22px;font-size:16px;font-weight:700}.btn.block{width:100%}.step-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:30px}.step-btn{border:2px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:22px;text-align:left;cursor:pointer;box-shadow:var(--shadow)}.step-btn:hover{border-color:var(--brand)}.step-btn .num{font-size:13px;color:var(--brand);font-weight:700}.step-btn .ttl{font-size:19px;font-weight:800;margin:4px 0 2px}.step-btn .desc{color:var(--ink-soft);font-size:13px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.badge.green{background:var(--green-bg);color:var(--green)}.badge.blue{background:var(--blue-bg);color:var(--blue)}.badge.gray{background:var(--gray-bg);color:var(--gray)}.badge.muted{background:var(--gray-bg);color:var(--muted)}.tpl-card{cursor:pointer;display:flex;flex-direction:column;gap:8px}.tpl-card:hover{border-color:var(--brand)}.tpl-card h3{margin:0;font-size:16px}.tpl-card .slug{color:var(--muted);font-size:12px}.next-guide{display:flex;align-items:flex-start;gap:10px;background:var(--warn-bg);border:1px solid #f3e3bd;border-radius:12px;padding:12px 14px;margin:16px 0}.next-guide .lamp{font-size:18px}.next-guide .body{flex:1}.next-guide .body b{display:block}.field{margin-bottom:14px}.field label{display:block;font-weight:700;font-size:13px;margin-bottom:5px}.field .hint{color:var(--muted);font-size:12px;font-weight:400}input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:14px;font-family:inherit;background:#fff;color:var(--ink)}textarea{min-height:120px;resize:vertical}.mono{font-family:SFMono-Regular,Consolas,monospace;font-size:13px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:20px}.tab{border:none;background:none;padding:12px 16px;font-size:14px;font-weight:700;color:var(--ink-soft);cursor:pointer;border-bottom:3px solid transparent}.tab.active{color:var(--brand-dark);border-bottom-color:var(--brand)}.split{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start}@media(max-width:900px){.split{grid-template-columns:1fr}.app-shell{flex-direction:column}.sidebar{width:100%;height:auto;position:static;display:flex;flex-wrap:wrap}}.chat-box{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;padding:6px}.bubble{padding:10px 14px;border-radius:14px;max-width:85%;font-size:14px;white-space:pre-wrap}.bubble.user{align-self:flex-end;background:var(--brand);color:#fff}.bubble.ai{align-self:flex-start;background:var(--gray-bg)}.diff{border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:13px}.diff-row{display:grid;grid-template-columns:90px 1fr;border-top:1px solid var(--line)}.diff-row:first-child{border-top:none}.diff-row .k{background:var(--gray-bg);padding:8px 10px;font-weight:700}.diff-row .v{padding:8px 10px}.diff-row .v.before{color:var(--danger);text-decoration:line-through}.diff-row .v.after{color:var(--green)}.diff-add{background:var(--green-bg)}.diff-remove{background:var(--danger-bg)}.diff-change .v{display:block}table.data{width:100%;border-collapse:collapse;font-size:14px}table.data th,table.data td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}table.data th{color:var(--ink-soft);font-size:12px}.toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);z-index:50;max-width:360px}.toast.error{background:var(--danger)}.alert{padding:12px 14px;border-radius:10px;margin-bottom:14px;font-size:14px}.alert.error{background:var(--danger-bg);color:var(--danger)}.alert.info{background:var(--blue-bg);color:var(--brand-dark)}.muted-text{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.stack>*+*{margin-top:12px}.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#e8f1fd,#f5f7fa)}.login-card{width:360px;max-width:92vw}.preview-frame{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.preview-progress{height:8px;border-radius:999px;background:var(--gray-bg);overflow:hidden;margin-bottom:14px}.preview-progress>span{display:block;height:100%}.pill-options{display:flex;flex-direction:column;gap:8px}.pill{border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}.pill:hover{border-color:var(--brand)}.pill.selected{border-color:var(--brand);background:var(--blue-bg)}.cat-heading{font-weight:700;font-size:15px;margin:18px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--line)}.report-btn{padding-left:0;font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal-card{background:#fff;border-radius:14px;padding:20px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 10px 40px #0003}