:root{--ink:#16312c;--muted:#586861;--green:#08745a;--green-dark:#05523f;--mint:#e7f4ed;--paper:#fafbf7;--line:#dce5dc;--coral:#c95935;--white:#fff;--radius:18px;--shadow:0 18px 48px #17372b0b;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;line-height:1.8;font-size:16px}a{color:var(--green);text-underline-offset:4px}a:hover{color:var(--green-dark)}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #c15c37;outline-offset:4px}[hidden]{display:none!important}.skip-link{position:absolute;left:16px;top:-80px;background:var(--white);padding:10px;z-index:30}.skip-link:focus{top:16px}.container{width:min(1152px,calc(100% - 64px));margin-inline:auto}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:#fafbf7f7;backdrop-filter:blur(12px)}.header-inner{height:88px;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);flex-shrink:0}.brand-mark{width:42px;height:42px;background:var(--green);border-radius:12px;display:grid;place-items:center;color:#fff}.brand-name{font-size:24px;font-weight:800;letter-spacing:.06em}.brand-small{display:block;font-size:9px;letter-spacing:.3em;line-height:1;font-weight:650}.navigation{display:flex;gap:30px;align-items:center;margin-left:auto}.navigation a{text-decoration:none;font-size:14px;font-weight:650;color:var(--ink)}.navigation a[aria-current=page]{color:var(--green);text-decoration:underline;text-underline-offset:9px}.navigation .nav-cta{background:var(--ink);color:#fff;padding:9px 17px;border-radius:8px}.menu-toggle{display:none;background:transparent;border:1px solid var(--line);padding:8px 12px;border-radius:8px}.hero{padding:78px 0 70px;position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.12fr 1fr;gap:64px;align-items:center}.eyebrow{font-size:11px;font-weight:750;letter-spacing:.16em;color:var(--green);text-transform:uppercase;display:flex;gap:10px;align-items:center}.eyebrow:before{content:"";height:7px;width:7px;border-radius:50%;background:var(--green)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(32px,4.2vw,53px);line-height:1.48;letter-spacing:-.02em;margin-bottom:24px;font-weight:800}.hero h1{margin-top:24px}.accent{color:var(--green)}.hero-copy{color:var(--muted);max-width:460px;font-size:16px;line-height:2.1}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 22px;border-radius:10px;border:1px solid var(--green);background:var(--green);color:#fff;text-decoration:none;font-size:14px;font-weight:700;line-height:1.7}.button:hover{background:var(--green-dark);border-color:var(--green-dark);color:#fff}.button.secondary{background:var(--white);border-color:var(--line);color:var(--ink)}.button.secondary:hover{border-color:var(--green)}.button.small{padding:8px 14px;font-size:13px}.text-link{text-decoration:none;font-size:14px;font-weight:700}.privacy-points{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:24px}.privacy-points span:before{content:'✓';margin-right:5px;color:var(--green)}.demo-shell{position:relative;box-shadow:var(--shadow);border:1px solid #c9dcd1;border-radius:18px;background:var(--white);overflow:hidden;transform:rotate(-1deg)}.window-bar{display:flex;align-items:center;gap:5px;padding:14px 18px;border-bottom:1px solid var(--line);background:#f1f6f0}.window-dot{width:7px;height:7px;border-radius:50%;background:#b4c8b6}.window-bar .window-label{margin:auto;font-size:11px;color:var(--muted)}.demo-body{padding:28px}.demo-heading{font-size:18px;font-weight:750;margin:0 0 18px}.demo-label{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);font-weight:700;margin-bottom:6px}.demo-body textarea{background:#f7f9f5;font-size:13px;min-height:115px;resize:vertical}.demo-arrow{text-align:center;color:var(--green);font-size:20px;margin:6px}.demo-result{border:1px solid #b6d8c5;background:var(--mint);border-radius:8px;padding:14px 16px;white-space:pre-wrap;font-size:14px;min-height:105px}.demo-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.demo-footer small{color:var(--muted);font-size:11px}.purpose-strip{background:var(--mint);border-block:1px solid #d6e8db}.purpose-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px 0;font-size:13px}.purpose-title{font-weight:800;letter-spacing:.04em}.purpose-tags{display:flex;gap:30px;color:var(--muted)}.section{padding:70px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}.section-title{font-size:30px;margin:12px 0 8px;line-height:1.6;font-weight:800}.section-note{font-size:14px;color:var(--muted);margin:0}.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tool-card{position:relative;padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);text-decoration:none;color:var(--ink);transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;flex-direction:column}.tool-card:hover{color:var(--ink);transform:translateY(-3px);border-color:#9bc8b2;box-shadow:var(--shadow)}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.tool-icon{height:46px;width:46px;background:var(--mint);border-radius:13px;display:grid;place-items:center;color:var(--green)}.tool-icon.coral{background:#fcf0e8;color:var(--coral)}.tool-icon.blue{background:#edf1fa;color:#476296}.badge{display:inline-flex;background:var(--mint);color:var(--green-dark);border-radius:5px;font-size:10px;font-weight:750;padding:2px 8px;line-height:1.9;letter-spacing:.04em}.badge.neutral{background:#f1f2ed;color:#5d675e}.tool-card h3{font-size:19px;line-height:1.6;margin-bottom:10px}.tool-card p{font-size:13px;color:var(--muted);line-height:1.9;margin-bottom:20px}.card-arrow{font-size:12px;font-weight:750;color:var(--green);margin-top:auto;display:flex;justify-content:space-between}.start-card{background:var(--ink);color:#fff;border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;justify-content:center}.start-card .eyebrow{color:#b4d3ba}.start-card h3{font-size:23px;line-height:1.7;margin:12px 0}.start-card p{color:#cedacf;font-size:13px}.start-card a{color:#fff;font-weight:700;font-size:13px}.guide-section{background:#f0f4ed;border-block:1px solid var(--line)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-card{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink)}.guide-art{height:130px;position:relative;background:#e1eddf;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--green);overflow:hidden}.guide-art .art-line{height:4px;border-radius:2px;background:currentColor;opacity:.45;width:70px;margin:10px 0}.art-page{width:90px;height:90px;border-radius:7px;background:#fff;padding:10px;transform:rotate(-6deg);box-shadow:6px 6px 0 #19362c0a}.art-page.second{transform:rotate(6deg)}.guide-art.coral{background:#f4e8d9;color:#ac5537}.guide-art.blue{background:#e4eaf1;color:#49627d}.guide-body{padding:24px}.guide-body h3{font-size:18px;line-height:1.7;margin:12px 0}.guide-body p{font-size:13px;color:var(--muted);margin:0 0 16px}.guide-meta{display:flex;gap:14px;font-size:11px;color:var(--muted)}.product-teaser{display:grid;grid-template-columns:1fr 1fr;background:#edeede;border:1px solid #dddcc4;border-radius:22px;overflow:hidden}.product-visual{position:relative;min-height:330px;display:flex;align-items:center;justify-content:center;padding:40px;background:#e4e7d6}.kit-sheet{height:230px;width:170px;background:var(--white);border-radius:8px;padding:24px;box-shadow:10px 14px 0 #1c392b13;transform:rotate(-9deg)}.kit-sheet .eyebrow{font-size:8px}.kit-sheet strong{font-size:24px;line-height:1.6;display:block;margin:18px 0}.kit-sheet .sheet-line{height:4px;background:#b4c5b0;margin:12px 0;width:80%}.kit-sheet.small{position:absolute;transform:translate(100px,24px) rotate(9deg);width:145px;height:190px;background:var(--ink);color:white}.kit-sheet.small .sheet-line{background:#708c79}.product-copy{padding:45px;align-self:center}.product-copy h2{font-size:27px;line-height:1.6;margin:16px 0}.product-copy p{font-size:14px;color:var(--muted)}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:28px}.principle{border-top:2px solid var(--green);padding-top:20px}.principle .index{color:var(--green);font-size:12px;letter-spacing:.1em}.principle h3{font-size:17px;margin:8px 0}.principle p{color:var(--muted);font-size:13px}.site-footer{border-top:1px solid var(--line);padding:45px 0 25px;background:#f2f5ed}.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px}.footer-description{font-size:12px;color:var(--muted);margin:15px 0}.footer-links{display:flex;flex-direction:column;gap:8px}.footer-links strong{font-size:12px;margin-bottom:6px}.footer-links a{font-size:12px;text-decoration:none;color:var(--muted)}.footer-bottom{margin-top:32px;border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted)}.page-intro{padding:50px 0 32px}.breadcrumbs{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:24px}.breadcrumbs a{color:var(--muted)}.page-intro h1{font-size:36px;margin:12px 0}.page-intro .lead{color:var(--muted);max-width:720px;font-size:15px}.search-row{margin:26px 0;display:flex;gap:20px;align-items:center;max-width:600px}.search-row label{flex:1}.search-row input{background:#fff}.search-row small{flex-shrink:0;color:var(--muted)}.workspace{margin:0 0 48px;border:1px solid var(--line);border-radius:20px;background:var(--white);padding:32px;box-shadow:var(--shadow)}.tool-safety{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--green-dark);background:var(--mint);padding:10px 15px;border-radius:8px;margin-bottom:26px}.columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field{display:block;margin-bottom:18px;font-size:13px;font-weight:700}.field .field-label{display:block;margin-bottom:8px}.hint{display:block;color:var(--muted);font-size:12px;font-weight:400;margin-top:8px}textarea,input[type=text],input[type=number],input[type=search],select{display:block;width:100%;border:1px solid #cad6ca;border-radius:9px;background:var(--white);padding:12px;color:var(--ink);outline-offset:2px}textarea{min-height:230px;resize:vertical;line-height:1.8;font-size:14px}.options{display:flex;flex-wrap:wrap;gap:12px 24px;margin:0 0 22px}.checkbox{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}.checkbox input{accent-color:var(--green);width:16px;height:16px}.tool-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}.tool-toolbar .spacer{margin-left:auto;color:var(--muted);font-size:12px}.status{font-size:12px;color:var(--green-dark);min-height:28px;margin:14px 0 0}.helper-section{max-width:800px;margin:0 auto 60px}.helper-section h2{font-size:23px}.helper-section p,.helper-section li{font-size:14px;color:var(--muted)}.steps{padding-left:24px}.steps li{padding-left:7px;margin-bottom:12px}.callout{padding:20px 24px;background:var(--mint);border-left:3px solid var(--green);border-radius:0 10px 10px 0;font-size:14px;margin:24px 0}.callout.warn{background:#faf0df;border-color:#b28a34}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stat{background:#f4f7f0;border:1px solid var(--line);padding:18px;border-radius:12px}.stat strong{display:block;font-size:30px;font-variant-numeric:tabular-nums;color:var(--green)}.stat span{font-size:11px;color:var(--muted)}.limit-area{display:flex;align-items:center;gap:20px;margin-top:22px;flex-wrap:wrap}.limit-area .field{margin:0;max-width:180px}.over-limit{color:#b53225}.table-scroll{max-height:400px;overflow:auto;border:1px solid var(--line);border-radius:10px;margin-top:24px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}th{background:#f1f5ed;position:sticky;top:0}.compact-fields{display:grid;grid-template-columns:2fr 1fr;gap:20px}.image-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px}.image-canvas{min-height:280px;background:repeating-conic-gradient(#edf1e8 0% 25%,#fafcf8 0% 50%) 50%/24px 24px;border:1px dashed #b2c9b3;border-radius:14px;display:grid;place-items:center;padding:15px}.image-canvas img{max-width:100%;max-height:330px;object-fit:contain}.image-canvas p{text-align:center;color:var(--muted);font-size:13px;margin:0}.file-input{display:block;width:100%;padding:14px;border:1px dashed #abc3ae;border-radius:10px;background:#f5f8f0;font-size:13px}.file-input::file-selector-button{background:var(--green);color:#fff;border:0;border-radius:6px;padding:8px 12px;margin-right:10px}.range-control{width:100%;accent-color:var(--green)}.prose-container{width:min(800px,calc(100% - 64px));margin:auto}.prose{padding-bottom:60px}.prose h1{font-size:36px}.prose h2{font-size:24px;line-height:1.65;margin:42px 0 18px}.prose h3{font-size:19px;margin-top:28px}.prose p,.prose li{font-size:15px;line-height:2;overflow-wrap:anywhere}.prose li{margin-bottom:10px}.prose .article-meta{color:var(--muted);font-size:12px;display:flex;gap:20px;margin:20px 0}.prose pre{white-space:pre-wrap;background:#edf3eb;border-radius:10px;padding:20px;font-size:13px;border:1px solid var(--line);line-height:1.8;overflow-wrap:anywhere}.prose blockquote{margin:20px 0;padding-left:20px;border-left:3px solid var(--green);color:var(--muted)}.prose .source-list li{font-size:12px}.toc{background:#f0f4ea;border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin:24px 0}.toc strong{font-size:13px}.toc ol{padding-left:20px;margin-bottom:0}.toc li{font-size:13px;margin-bottom:5px}.faq{border-top:1px solid var(--line)}.faq details{padding:18px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:650;font-size:14px}.faq p{font-size:13px;color:var(--muted);margin:14px 0 0}.article-cta{margin:35px 0;background:var(--mint);border-radius:16px;padding:26px}.article-cta h3{margin-top:0}.download-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:26px 0}.download-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:12px}.download-card h3{font-size:16px;margin-top:0}.download-card p{font-size:13px}.empty-purchases{display:block;color:var(--muted);font-size:12px;margin-top:14px}.noscript-notice{background:#fff4d8;padding:16px;text-align:center;font-size:13px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1000px){.container{width:calc(100% - 40px)}.hero-grid{gap:34px}.navigation{gap:18px}.hero{padding-top:55px}.hero h1{font-size:40px}.tool-card{padding:22px}.purpose-tags{gap:16px}.product-copy{padding:30px}.product-visual{padding:20px}.kit-sheet.small{transform:translate(75px,24px) rotate(9deg)}}
@media(max-width:760px){.container,.prose-container{width:calc(100% - 36px)}.header-inner{height:72px;gap:12px}.brand-name{font-size:21px}.brand-mark{height:36px;width:36px;border-radius:10px}.menu-toggle{display:block;margin-left:auto}.navigation{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:20px}.navigation.is-open{display:flex}.hero{padding:44px 0}.hero-grid{grid-template-columns:1fr;gap:35px}.hero h1{font-size:39px;line-height:1.5}.hero-copy{font-size:14px}.demo-shell{max-width:500px;transform:none}.purpose-inner{flex-direction:column;align-items:start;gap:10px;padding:18px 0}.purpose-tags{gap:18px;flex-wrap:wrap;font-size:12px}.section{padding:44px 0}.section-title{font-size:25px}.section-head{align-items:start}.section-head .text-link{font-size:12px;flex-shrink:0;margin-top:30px}.tool-grid{grid-template-columns:repeat(2,1fr);gap:12px}.tool-card{padding:18px}.tool-card h3{font-size:16px}.tool-card p{font-size:12px}.card-top{margin-bottom:17px}.start-card{padding:20px}.start-card h3{font-size:19px}.guide-grid{grid-template-columns:1fr}.guide-card{display:grid;grid-template-columns:115px 1fr}.guide-art{height:100%;min-height:190px}.art-page{width:80px;height:95px}.art-page.second{display:none}.guide-body{padding:20px}.guide-body h3{font-size:16px}.product-teaser{grid-template-columns:1fr}.product-visual{min-height:290px}.product-copy{padding:28px}.product-copy h2{font-size:25px}.principles{grid-template-columns:1fr;gap:18px}.principle{padding-top:14px}.footer-inner{grid-template-columns:1fr 1fr;gap:28px}.footer-inner>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:5px}.page-intro{padding:30px 0 20px}.page-intro h1,.prose h1{font-size:29px}.workspace{padding:20px}.columns,.image-layout{grid-template-columns:1fr;gap:15px}.tool-safety{align-items:start;font-size:11px}.options{gap:12px 18px}.checkbox{font-size:11px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stat{padding:14px}.stat strong{font-size:27px}.compact-fields{grid-template-columns:1fr}.prose h2{font-size:22px}.prose p,.prose li{font-size:14px}.download-list{grid-template-columns:1fr}.image-canvas{min-height:200px}}
@media(max-width:390px){.hero h1{font-size:34px}.tool-grid{grid-template-columns:1fr}.guide-card{grid-template-columns:85px 1fr}.actions .button{width:100%}.demo-body{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}