:root{--ink:#162321;--muted:#60736e;--green:#137c65;--deep:#0a5a49;--accent:#cefa81;--pale:#eff9f2;--paper:#fcfdf9;--white:#fff;--line:#deebe3;--shadow:0 20px 55px rgba(16,62,46,.075);--radius:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;background:var(--paper);color:var(--ink);line-height:1.8;font-size:15px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,.dropzone:focus-visible{outline:3px solid #7ebeff;outline-offset:3px}img{max-width:100%}.wrap{max-width:1130px;margin:0 auto;padding:0 26px}.narrow{max-width:840px}.topbar{background:#102b25;color:#edf9f2;font-size:12px;text-align:center;padding:7px 12px;letter-spacing:.02em}.topbar strong{color:var(--accent)}.header{position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(25,72,49,.08);background:rgba(252,253,249,.95);backdrop-filter:blur(14px)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.045em;white-space:nowrap}.brand-icon{width:37px;height:37px;display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:white;border-radius:11px;font-size:25px;line-height:1}.nav{display:flex;align-items:center;gap:25px;font-size:13px;font-weight:700;color:#4b625a}.nav a:hover,.footer a:hover{color:var(--green)}.nav-cta{background:#e8f5e5;color:var(--deep)!important;padding:9px 15px;border-radius:999px}.hero{position:relative;overflow:hidden;background:linear-gradient(139deg,#eff9e8 0%,#f7fcf1 54%,#e7f5ef 100%);border-bottom:1px solid #e1eee2}.hero:before{content:"";position:absolute;width:500px;height:500px;right:-190px;top:-190px;background:radial-gradient(circle,rgba(150,222,153,.23),transparent 68%);pointer-events:none}.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;padding-top:85px;padding-bottom:85px}.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#146a55;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";display:inline-block;width:8px;height:8px;background:#27bd8c;border-radius:50%}.hero h1{font-weight:900;letter-spacing:-.065em;line-height:1.35;font-size:clamp(33px,4.4vw,54px);margin:18px 0 21px}.hero h1 span{color:var(--green)}.hero p{color:#536960;font-size:16px;max-width:530px;margin:0 0 25px}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{background:rgba(255,255,255,.82);border:1px solid #d5e8d9;color:#406856;padding:5px 12px;border-radius:40px;font-weight:700;font-size:12px}.hero-panel{background:#fff;border:1px solid #dae8dc;border-radius:28px;box-shadow:0 30px 80px rgba(21,66,47,.1);padding:30px;transform:rotate(1.2deg)}.fake-browser{display:flex;align-items:center;gap:7px;padding:0 0 17px;border-bottom:1px solid #edf1ed;margin-bottom:21px}.dot{width:10px;height:10px;background:#ffb8b8;border-radius:50%}.dot:nth-child(2){background:#ffe19e}.dot:nth-child(3){background:#a8d7b7}.browser-url{margin-left:18px;background:#f5f8f3;border-radius:10px;height:26px;flex:1;text-align:center;font-size:10px;line-height:26px;color:#9aafa2}.panel-title{font-size:22px;letter-spacing:-.05em;font-weight:900;margin:0 0 4px}.panel-note{color:#71877b;font-size:12px;margin:0 0 16px}.panel-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px}.panel-tile{border-radius:15px;background:#f3faf3;border:1px solid #e6f0e8;padding:16px;min-height:112px;display:flex;flex-direction:column;gap:3px}.tile-icon{font-size:24px}.panel-tile strong{font-size:13px}.panel-tile small{font-size:10px;color:#7b8d81}.section{padding-top:82px;padding-bottom:82px}.section.alt{background:#f2f8f2}.section-heading{text-align:center;margin-bottom:35px}.section-heading h2{font-size:clamp(27px,3vw,36px);letter-spacing:-.05em;line-height:1.4;margin:10px 0}.section-heading p{margin:0;color:var(--muted)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.tool-card{display:flex;flex-direction:column;align-items:flex-start;padding:28px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 30px rgba(34,74,52,.035);min-height:244px;transition:transform .2s,box-shadow .2s,border-color .2s}.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#8abfa9}.tool-icon{width:51px;height:51px;display:flex;align-items:center;justify-content:center;background:#e8f6e9;border-radius:14px;font-size:25px;margin-bottom:13px}.tool-card h3{font-size:19px;margin:0 0 8px;letter-spacing:-.04em}.tool-card p{font-size:13px;color:var(--muted);line-height:1.8;margin:0 0 16px}.text-link{margin-top:auto;font-size:13px;color:var(--green);font-weight:800}.text-link:after{content:" →"}.metric-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:31px}.metric{text-align:center;padding:10px}.metric b{display:block;font-size:27px;color:var(--green);letter-spacing:-.05em}.metric span{color:var(--muted);font-size:12px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.step{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px}.step-num{font-weight:900;color:var(--green);font-size:28px}.step h3{font-size:18px;margin:6px 0}.step p{margin:0;font-size:13px;color:var(--muted)}.content-text{font-size:14px;color:#485d52}.content-text h2{font-size:22px;color:var(--ink);letter-spacing:-.04em;margin-top:34px}.content-text h3{font-size:17px;color:var(--ink)}.content-text a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.content-text li{margin-bottom:6px}.faq{max-width:820px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-weight:800;cursor:pointer;list-style-position:outside;padding-right:20px}.faq p{margin:10px 0 0;color:var(--muted);font-size:14px}.footer{background:#122c25;color:#e8f2eb;padding:44px 0 30px}.footer-inner{display:flex;justify-content:space-between;gap:24px}.footer .brand{font-size:19px}.footer p,.footer small{color:#a4bdb1;font-size:12px}.footer-links{display:flex;flex-wrap:wrap;align-items:flex-start;gap:16px 24px;font-size:12px;color:#d0e2d7}.copyright{border-top:1px solid #315045;margin-top:32px;padding-top:19px;font-size:11px;color:#9fb3a9}.breadcrumb{font-size:12px;color:#789183;padding-top:26px}.breadcrumb a:hover{color:var(--green)}.tool-intro{padding:38px 0 27px}.tool-intro h1{font-size:clamp(29px,4.3vw,43px);letter-spacing:-.07em;line-height:1.4;margin:11px 0}.tool-intro p{color:var(--muted);margin:0;max-width:720px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start;padding-bottom:55px}.workcard,.sidecard{background:#fff;border:1px solid var(--line);border-radius:24px;padding:29px;box-shadow:0 8px 30px rgba(22,70,47,.04)}.workcard h2{font-size:19px;margin:0 0 7px;letter-spacing:-.04em}.small-muted{font-size:12px;color:var(--muted);margin:0 0 20px}.dropzone{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;border:2px dashed #a8cead;border-radius:17px;background:#f8fcf6;padding:36px 16px;min-height:195px;cursor:pointer;transition:background .15s,border .15s}.dropzone.dragover{background:#e4f7e5;border-color:var(--green)}.drop-icon{width:57px;height:57px;border-radius:17px;background:#e8f5e4;display:grid;place-items:center;color:var(--green);font-size:30px}.dropzone strong{font-size:15px}.dropzone small{font-size:12px;color:#799083}.dropzone .pick{margin-top:9px;font-size:13px;background:var(--green);color:white;padding:9px 18px;border-radius:999px;font-weight:800}.hidden{display:none!important}.file-input{position:absolute;left:-9999px;width:1px;height:1px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;font-weight:800;color:#455b4f}.field input,.field select{width:100%;border:1px solid #cddfd0;border-radius:11px;background:#fff;padding:11px 12px;color:var(--ink);min-height:46px}.field input:focus,.field select:focus{border-color:var(--green)}.form-block{background:#f7faf6;border:1px solid #e6ede5;padding:18px;border-radius:16px;margin-top:18px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;background:var(--green);color:#fff;font-size:14px;font-weight:850;padding:12px 20px;min-height:46px;border-radius:12px;transition:background .2s}.btn:hover:not(:disabled){background:var(--deep)}.btn.secondary{background:#e9f4e9;color:var(--deep)}.btn.secondary:hover{background:#d1edd7}.btn.outline{border:1px solid var(--line);background:#fff;color:var(--ink)}.btn.small{padding:6px 10px;min-height:34px;border-radius:8px;font-size:12px}.status{font-size:13px;margin:14px 0 0;border-radius:12px;padding:11px 14px;background:#edf7f0;color:#1e664d}.status.error{background:#fff0ed;color:#a13b31}.status.info{background:#eff4ff;color:#3b5d95}.result{margin-top:23px;padding:21px;border:1px solid #cbe5d3;background:#f5fbf5;border-radius:16px}.result h3{margin:0 0 11px;font-size:17px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.stat{border:1px solid #e1ede1;background:#fff;padding:12px;border-radius:12px;min-width:0}.stat label{display:block;color:var(--muted);font-size:11px}.stat b{font-size:14px;word-break:break-word}.sidecard{padding:24px}.sidecard h3{margin:0 0 11px;font-size:16px}.sidecard p,.sidecard li{font-size:12px;color:var(--muted);margin-bottom:9px}.sidecard ul{padding-left:20px;margin:0}.notice{margin-top:16px;padding:14px 16px;background:#f0f6ed;border-radius:12px;font-size:12px;color:#557063}.notice strong{color:#385b49}.page-tools{padding:6px 0 28px}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related a{display:flex;align-items:center;justify-content:space-between;padding:15px;background:#fff;border:1px solid var(--line);border-radius:12px;font-size:13px;font-weight:800}.related a:hover{border-color:var(--green);color:var(--green)}.file-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}.file-row{display:flex;align-items:center;gap:13px;border:1px solid #e3ede3;padding:10px;border-radius:12px;background:#fff}.file-thumb{width:56px;height:56px;object-fit:cover;border-radius:8px;background:#f4f7f4}.file-meta{flex:1;min-width:0}.file-meta strong{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta small{display:block;font-size:11px;color:var(--muted)}.file-controls{display:flex;gap:5px;flex-shrink:0}.file-controls button{font-weight:800;font-size:12px;min-width:30px;height:32px;border:1px solid #deeadf;background:#f8faf7;border-radius:8px}.file-controls button:hover:not(:disabled){background:#e0f4e4}.page-article{padding-top:40px;padding-bottom:70px}.page-article h1{font-size:36px;letter-spacing:-.05em}.page-article p{color:#536b5b}.preview{border-radius:14px;background:#fff;max-height:220px;object-fit:contain;display:block;margin:14px auto;box-shadow:0 4px 18px #182f1912}.inline-check{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}.inline-check input{accent-color:var(--green);width:16px;height:16px}.footer-cta{padding:45px;text-align:center;background:#e9f6e8;border-radius:22px}.footer-cta h2{font-size:27px;letter-spacing:-.04em;margin:0 0 10px}.footer-cta p{color:var(--muted);margin:0 0 19px}.badge{font-size:11px;padding:5px 11px;background:#def5db;color:#15644c;border-radius:999px;font-weight:800}.ad-space{min-height:0}.ad-space:not(:empty){margin-top:18px}.ad-space .ad-label{font-size:10px;color:var(--muted);text-align:center}
@media(max-width:900px){.hero-grid{gap:24px}.workspace{grid-template-columns:1fr}.sidecard{order:2}.tool-grid{gap:12px}.hero-panel{padding:19px}.nav{gap:12px}}@media(max-width:700px){.wrap{padding:0 19px}.topbar{font-size:10px}.header-inner{min-height:66px;flex-wrap:wrap;padding-top:11px;padding-bottom:11px}.brand{font-size:19px}.nav{gap:12px;font-size:11px;flex-wrap:wrap}.nav-cta{padding:6px 10px}.hero-grid{grid-template-columns:1fr;padding-top:52px;padding-bottom:51px;gap:30px}.hero h1{font-size:clamp(32px,8vw,44px)}.hero p{font-size:14px}.hero-panel{max-width:440px;width:100%;margin:auto;transform:none}.section{padding-top:57px;padding-bottom:57px}.section-heading h2{font-size:27px}.tool-grid{grid-template-columns:1fr;gap:12px}.tool-card{min-height:0;padding:22px}.metric-strip{gap:3px}.metric b{font-size:21px}.metric span{font-size:11px}.steps{grid-template-columns:1fr;gap:12px}.footer-inner{flex-direction:column}.tool-intro{padding-top:28px}.workcard,.sidecard{padding:20px}.form-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.related{grid-template-columns:1fr}.file-row{flex-wrap:wrap}.file-controls{margin-left:auto}.page-article h1{font-size:28px}.footer-cta{padding:25px}.footer-cta h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* v2: native tool documentation */
.guide-table-wrap{overflow-x:auto;margin:18px 0}.guide-table{border-collapse:collapse;width:100%;min-width:520px;font-size:13px;background:#fff}.guide-table th,.guide-table td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.guide-table th{background:#e8f5e8;color:var(--deep)}.related{grid-template-columns:repeat(auto-fit,minmax(225px,1fr))}.panel-tiles a:hover{border-color:#70ad92;box-shadow:0 6px 18px rgba(14,88,66,.08)}

/* v3: image metadata checker */
.checker-results{margin-top:24px}.checker-item{background:#f8fcf9;border:1px solid #d9eae0;padding:16px 19px;border-radius:14px;margin:12px 0;overflow-wrap:anywhere}.checker-item h3{font-size:16px;margin:0 0 8px;line-height:1.5}.checker-item p{margin:3px 0;font-size:13px}.checker-item a{color:var(--deep);font-weight:750;text-decoration:underline}.checker-pass{font-weight:800;margin-top:10px!important}.checker-pass.ok{color:#16734e}.checker-pass.over{color:#a24a16}.sidecard li{margin-bottom:7px}.sidecard a{text-decoration:underline;color:var(--deep)}

/* v4: contact readiness panel */
.contact-panel{border:1px solid #cbe4d7;background:#f1faf3;padding:24px;border-radius:18px;margin:25px 0}.contact-panel h2{margin:2px 0 9px}.contact-panel p{margin:0}.contact-panel-label{font-size:12px;color:#16704d;font-weight:850}

/* v4 contact form is an external, user-initiated link */
.content-text a.contact-link{color:#fff;text-decoration:none}.content-text a.contact-link:hover{color:#fff}.contact-panel .small-muted{margin-top:12px;font-size:12px}.contact-panel .actions{margin-top:18px;margin-bottom:0}

/* v5: merge previews and touch-friendly image blackout */
.canvas-shell{margin:16px 0;padding:9px;background:#e7efe9;border:1px solid #d2e6d6;border-radius:14px;line-height:0;text-align:center;overflow:hidden}
#edit-canvas{max-width:100%;height:auto;width:100%;display:block;margin:auto;background:#fff;touch-action:none;cursor:crosshair;border-radius:6px}
.field input[type=color]{height:47px;min-width:100%;border:1px solid var(--line);border-radius:9px;padding:6px;background:#fff}
.file-row .file-meta{overflow:hidden}.file-controls button:focus-visible{outline:2px solid #168b71}
@media(max-width:700px){.canvas-shell{padding:4px}.file-row{gap:7px}}