:root{--ink:#223b35;--muted:#74817b;--teal:#14776e;--teal-dark:#0c5d56;--line:#e0e6de;--paper:#fff;--cream:#f6f7f1;--soft:#edf3e9}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;font-size:14px;line-height:1.75}button,input,select{font:inherit}button,a,label,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #e7ad54;outline-offset:4px}input:focus-visible,select:focus-visible{outline:3px solid #c1dacf;outline-offset:2px}[hidden]{display:none!important}.site-header{height:91px;max-width:1220px;margin:auto;padding:0 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid 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input::-webkit-inner-spin-button{opacity:1}.unit-input>span{font-size:12px;color:#758379}.field-help{font-size:10px;color:var(--muted);margin:6px 0 15px}select{width:100%;border:1px solid #d7dfd5;border-radius:8px;height:42px;padding:0 11px;color:var(--ink);background:#fff;font-size:12px}.check{display:flex;align-items:center;gap:7px;font-size:10px;color:#65746a;margin:15px 0 20px;cursor:pointer}.check input{accent-color:var(--teal);width:15px;height:15px;margin:0}.download-button{display:block;width:100%;background:var(--teal);color:#fff;border:0;border-radius:9px;padding:13px;font-size:14px;font-weight:700;box-shadow:0 3px 0 #0b5a53;transition:background .2s}.download-button:not(:disabled):hover{background:var(--teal-dark)}.download-button>span{margin-right:10px;font-size:19px}.download-button:disabled{background:#a8bdb5;box-shadow:none}.download-note{text-align:center;color:var(--muted);font-size:10px;min-height:18px;margin:10px 0 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1fr;column-gap:10px}.guide-number{grid-row:span 2;padding-top:5px}.guide h3{margin-top:0}.print-tip{padding:16px;margin-bottom:30px}.print-tip h2{font-size:11px}.print-tip p{font-size:10px}footer{flex-wrap:wrap;gap:9px}footer small{width:100%;margin:0}.badge{font-size:9px;padding:4px 8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
:root{scroll-behavior:auto}.help-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin:0 0 20px;font-size:12px;color:var(--teal)}.help-links a{text-decoration:underline;text-underline-offset:4px;min-height:30px;display:inline-flex;align-items:center}#print-guide,#save-help{scroll-margin-top:20px}

/* Guides and service information */
.help-links{flex-wrap:wrap;gap:12px 24px}.tool-context{margin:40px 0;padding:28px 32px;border:1px solid #dbe3d7;border-radius:20px;background:#fff}.tool-context h2{font-size:20px;margin:0 0 12px}.tool-context p{line-height:1.9;color:#58685f}.tool-context a,.document a,.privacy a{color:#14776e;text-underline-offset:3px}.document{max-width:860px;margin:0 auto;padding:38px 24px 64px}.back-link{display:inline-block;margin-bottom:32px}.document h1{font-size:clamp(26px,4.5vw,38px);line-height:1.5;margin:12px 0 20px}.document .lead{font-size:17px;line-height:1.9;color:#58685f}.document section{margin-top:32px;padding:28px;background:#fff;border:1px solid #dbe3d7;border-radius:18px}.document h2{font-size:22px;line-height:1.5;margin:0 0 16px}.document p,.document li,.document dd{line-height:1.95}.steps-list{padding-left:24px}.steps-list li{padding:6px 0 12px 8px}.steps-list p{margin:8px 0}.document-callout{padding:20px;background:#f1f5eb;border-left:4px solid #14776e;border-radius:8px}.document-date{color:#6c766e;font-size:13px;margin-top:32px}.primary-link{display:inline-block;background:#e6eee3;padding:15px 20px;border-radius:12px}.info-list{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px 20px}.info-list dt{font-weight:700;padding-top:5px}.info-list dd{margin:0;overflow-wrap:anywhere}.site-footer{flex-wrap:wrap;gap:18px}.site-footer nav{display:flex;flex-wrap:wrap;gap:12px 20px}.site-footer nav a{font-size:13px;color:#14776e;text-underline-offset:3px}.site-footer small{width:100%;text-align:center}@media(max-width:600px){.document{padding:28px 16px 48px}.document section{padding:22px 18px}.info-list{grid-template-columns:1fr;gap:4px}.info-list dd{margin-bottom:12px}.tool-context{padding:24px 20px}.site-footer nav{justify-content:center}.document h2{font-size:20px}}

/* Readability and three-step workflow */
:root{--ink:#173e32;--muted:#53665c;--teal:#146044;--teal-dark:#0c4832;--cream:#fff;--soft:#eaf3ee}
body{font-size:16px}.intro p{font-size:16px;color:#53665c}.eyebrow{font-size:13px}.badge{font-size:12px;color:#53665c}.brand-en{color:#53665c}.quick-steps{list-style:none;padding:16px 20px;margin:0 0 24px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;background:#edf5f0;border-radius:12px}.quick-steps li{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:650}.quick-steps b,.step{flex:none;width:28px;height:28px;background:var(--teal);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:14px}.section-title h2,.preview-heading h2{font-size:17px}.small-note{font-size:11px}.dropzone strong{font-size:18px}.dropzone span:not(.upload-symbol){font-size:14px;color:var(--muted)}.dropzone .file-limit{font-size:12px!important}.sample-button{min-height:48px;padding:10px 0;font-size:14px}.text-button{font-size:13px;min-height:44px}.file-info{font-size:13px}label:not(.dropzone):not(.check){font-size:14px}.field-help{font-size:12px}.unit-input{height:52px}select{height:48px;font-size:16px}.check{font-size:14px;min-height:44px}.check input{width:20px;height:20px;flex:none}.third{margin-top:24px;margin-bottom:8px}.save-check{font-size:13px;color:var(--muted);margin:0 0 16px}.save-check a{display:block;color:var(--teal);text-decoration:underline;min-height:44px;padding-top:10px}.download-button{font-size:17px;min-height:56px}.download-note,.privacy,.error{font-size:13px}.privacy{justify-content:flex-start}.preview-panel{background:#eff5f1}.preview-heading h2,.preview-note,.preview-summary,.preview-label{color:var(--muted)}.preview-note,.preview-summary,.preview-label{font-size:12px}.empty-state{color:#53665c}.empty-state strong{font-size:14px}.empty-state span{font-size:12px}.pager{font-size:14px}.pager button{width:44px;height:44px}.print-tip h2{font-size:16px;color:#64502b}.print-tip p{font-size:14px;color:#705e3b}.guide>h2,.faq>h2{font-size:20px}.guide h3{font-size:17px}.guide p,.faq p{font-size:15px;color:var(--muted)}.guide-number{font-size:14px;color:var(--teal)}.faq details{font-size:16px}.faq summary{min-height:44px;align-content:center}.help-links{font-size:14px}.help-links a{min-height:44px}.site-footer nav a{min-height:44px;display:inline-flex;align-items:center}.site-footer small{font-size:12px;color:var(--muted)}.use-cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.use-cases article{padding:20px;background:#f0f6f2;border-radius:12px}.use-cases span{font-size:13px;color:var(--teal);font-weight:650}.use-cases h3{font-size:19px;margin:6px 0}.use-cases p{font-size:14px;margin:0}.case-note{font-size:13px}#preview-panel{scroll-margin-top:16px}
@media(max-width:780px){main{padding:0 16px}.site-header{padding:0 16px}.intro p{font-size:15px}.quick-steps{grid-template-columns:1fr;gap:12px;padding:16px}.controls{padding:22px 18px}.section-title{flex-wrap:wrap}.section-title h2{font-size:16px}.small-note{font-size:11px}.input-grid{gap:12px}.use-cases{grid-template-columns:1fr}.preview-panel{padding:24px 18px}.print-tip h2{font-size:16px}.print-tip p{font-size:14px}.tool-context{padding:24px 20px}.badge{font-size:10px}.brand{gap:7px}.site-footer{justify-content:center}}