@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');
/* ===== Skin: WASHI — Japanese warm paper, cream, indigo + vermilion, Noto JP, refined ===== */
body.skin-washi{--ink:#2b2722;--indigo:#2b3a67;--indigo2:#1f2c52;--verm:#d8443c;--verm2:#b5362f;--mut:#7a7064;--faint:#a89c8c;--line:#e6ddcd;--line2:#d8ccb6;--bg:#faf6ef;--panel:#fffdf8;
  margin:0;font-family:"Noto Sans JP",system-ui,-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.85;-webkit-font-smoothing:antialiased}
body.skin-washi *{box-sizing:border-box}
body.skin-washi h1,body.skin-washi h2,body.skin-washi h3,body.skin-washi h4{font-family:"Noto Serif JP",serif;font-weight:600;line-height:1.4;color:var(--indigo)}
body.skin-washi a{color:var(--verm);text-decoration:none}
body.skin-washi a:hover{color:var(--verm2)}

/* ---- Chrome ---- */
body.skin-washi .g-header{background:rgba(250,246,239,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line2);position:sticky;top:0;z-index:20}
body.skin-washi .g-bar{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:22px;padding:16px 26px;flex-wrap:wrap}
body.skin-washi .g-brand{font-family:"Noto Serif JP",serif;font-weight:700;font-size:21px;color:var(--indigo);letter-spacing:.04em}
body.skin-washi .g-brand::before{content:"";display:inline-block;width:11px;height:11px;border-radius:50%;background:var(--verm);margin-right:9px;vertical-align:baseline}
body.skin-washi .g-nav{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}
body.skin-washi .g-nav a{color:var(--mut);font-size:13px;letter-spacing:.04em}
body.skin-washi .g-nav a:hover{color:var(--indigo)}
body.skin-washi .g-nav a.is-main{color:var(--indigo);border-bottom:2px solid var(--verm);padding-bottom:3px}
body.skin-washi .g-cta{background:var(--indigo);color:#fdf8ee;padding:9px 20px;border-radius:3px;font-weight:500;font-size:13px;letter-spacing:.04em}
body.skin-washi .g-cta:hover{background:var(--indigo2);color:#fdf8ee}
body.skin-washi .g-main{max-width:1080px;margin:0 auto;padding:44px 26px 76px}

/* ---- Hero ---- */
body.skin-washi .hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;background:var(--panel);
  border:1px solid var(--line2);border-radius:6px;padding:48px 44px;margin-bottom:48px;box-shadow:0 2px 0 var(--line2)}
body.skin-washi .hero-copy{max-width:520px}
body.skin-washi .hero-h1{font-size:42px;margin:0 0 18px;letter-spacing:.02em}
body.skin-washi .hero-h1::before{content:"";display:block;width:48px;height:3px;background:var(--verm);margin-bottom:18px}
body.skin-washi .hero-lead{font-size:16px;color:var(--mut);margin:0 0 22px}
body.skin-washi .hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:9px;padding:0;margin:0}
body.skin-washi .hero-badges li{border:1px solid var(--line2);color:var(--indigo);font-size:12px;padding:6px 13px;border-radius:3px;background:var(--bg)}
body.skin-washi .hero-badges li::before{content:"・";color:var(--verm)}
body.skin-washi .hero-tool,body.skin-washi .hero-tool-page{align-self:stretch}
body.skin-washi .hero-tool-page{max-width:680px;margin:0 auto 48px}
body.skin-washi .hero-steps{margin:22px 0 0;padding-left:20px;color:var(--mut);font-size:13px}
body.skin-washi .hero-steps li{margin:6px 0}

/* ---- Converter widget ---- */
body.skin-washi .cv-widget{background:var(--bg);border:1px solid var(--line2);border-radius:5px;padding:9px}
body.skin-washi .cv-drop{padding:46px 28px;text-align:center;border:1px dashed var(--line2);border-radius:4px;background:var(--panel);transition:.2s}
body.skin-washi .cv-drop.cv-over{background:#fdf1ee;border-color:var(--verm)}
body.skin-washi .cv-drop-inner{display:flex;flex-direction:column;align-items:center;gap:5px}
body.skin-washi .cv-icon{font-size:32px;color:var(--verm);width:62px;height:62px;line-height:62px;border-radius:50%;border:1px solid var(--line2);background:var(--bg)}
body.skin-washi .cv-drop-title{font-family:"Noto Serif JP",serif;font-weight:600;font-size:19px;color:var(--indigo);margin:12px 0 2px}
body.skin-washi .cv-drop-hint{color:var(--mut);font-size:13px;margin:0 0 18px}
body.skin-washi .cv-btn{background:var(--verm);color:#fff;border:0;border-radius:3px;padding:13px 30px;font-weight:500;font-size:14px;letter-spacing:.05em;cursor:pointer;font-family:inherit}
body.skin-washi .cv-btn:hover{background:var(--verm2)}
body.skin-washi .cv-accept{font-size:11px;color:var(--faint);margin:14px 0 0}
body.skin-washi .cv-status{padding:11px;font-size:13px;text-align:center}
body.skin-washi .cv-status.cv-busy{color:var(--verm)}
body.skin-washi .cv-status.cv-ok{color:#4a7a52}
body.skin-washi .cv-status.cv-error{color:var(--verm2)}
body.skin-washi .cv-result{text-align:center;padding:6px 0 10px}
body.skin-washi .cv-download{display:inline-block;background:var(--indigo);color:#fdf8ee;padding:12px 28px;border-radius:3px;font-weight:500;letter-spacing:.04em}
body.skin-washi .cv-download:hover{background:var(--indigo2);color:#fdf8ee}
body.skin-washi .cv-loading .cv-drop{opacity:.5}

/* ---- Sections & tools ---- */
body.skin-washi .section-h{font-size:26px;margin:0 0 26px;color:var(--indigo);text-align:center}
body.skin-washi .toolgrid-wrap,body.skin-washi .content-body,body.skin-washi .articles-strip,body.skin-washi .other-tools,body.skin-washi .faq{margin:56px 0}
body.skin-washi .toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1px;background:var(--line2);border:1px solid var(--line2);border-radius:5px;overflow:hidden}
body.skin-washi .tool-card{display:flex;flex-direction:column;gap:6px;background:var(--panel);padding:22px}
body.skin-washi .tool-card:hover{background:#fdf1ee}
body.skin-washi .tool-card.is-main{box-shadow:inset 3px 0 0 var(--verm)}
body.skin-washi .tool-card-label{font-family:"Noto Serif JP",serif;font-weight:600;font-size:18px;color:var(--indigo)}
body.skin-washi .tool-card-short{font-size:11px;letter-spacing:.08em;color:var(--verm)}
body.skin-washi .tool-card-lead{font-size:13px;color:var(--mut)}

/* ---- Longform ---- */
body.skin-washi .longform{max-width:720px;background:var(--panel);border:1px solid var(--line2);border-radius:6px;padding:42px 46px}
body.skin-washi .longform .lead-copy p:first-child{font-size:17px;color:var(--ink)}
body.skin-washi .lf-section{margin:0 0 8px}
body.skin-washi .longform h2{font-size:25px;margin:34px 0 14px;color:var(--indigo)}
body.skin-washi .longform p{margin:0 0 18px;color:#4a4339}
body.skin-washi .longform a{color:var(--verm);border-bottom:1px solid var(--line2)}

/* ---- Articles list ---- */
body.skin-washi .art-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
body.skin-washi .art-card{display:flex;flex-direction:column;gap:8px;background:var(--panel);border:1px solid var(--line2);border-radius:5px;padding:22px;transition:.2s}
body.skin-washi .art-card:hover{border-color:var(--verm)}
body.skin-washi .art-cluster{font-size:11px;letter-spacing:.08em;color:var(--verm)}
body.skin-washi .art-title{font-family:"Noto Serif JP",serif;font-weight:600;font-size:18px;line-height:1.4;color:var(--indigo)}
body.skin-washi .art-excerpt{font-size:13px;color:var(--mut)}
body.skin-washi .art-meta{font-size:11px;letter-spacing:.04em;color:var(--faint);margin-top:auto}
body.skin-washi .articles-strip-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
body.skin-washi .more-link{font-size:12px;letter-spacing:.06em;color:var(--verm)}

/* ---- FAQ ---- */
body.skin-washi .faq-title{font-size:26px;text-align:center;margin:0 0 26px;color:var(--indigo)}
body.skin-washi .faq-list{max-width:720px;margin:0 auto}
body.skin-washi .faq-item{border-bottom:1px solid var(--line2)}
body.skin-washi .faq-q{cursor:pointer;padding:20px 4px;font-family:"Noto Serif JP",serif;font-weight:600;font-size:17px;color:var(--indigo);list-style:none}
body.skin-washi .faq-q::-webkit-details-marker{display:none}
body.skin-washi .faq-q::after{content:"＋";float:right;color:var(--verm);font-size:16px}
body.skin-washi .faq-item[open] .faq-q::after{content:"－"}
body.skin-washi .faq-item[open] .faq-q{color:var(--verm)}
body.skin-washi .faq-a{padding:0 4px 20px;color:var(--mut)}

/* ---- Article page ---- */
body.skin-washi .crumbs{font-size:11px;letter-spacing:.05em;color:var(--faint);margin:24px 0 16px}
body.skin-washi .crumbs span{margin:0 8px;color:var(--line2)}
body.skin-washi .article{max-width:720px;background:var(--panel);border:1px solid var(--line2);border-radius:6px;padding:46px 48px}
body.skin-washi .article-head{text-align:center;margin-bottom:32px}
body.skin-washi .article-head h1{font-size:36px;margin:8px 0 12px;color:var(--indigo)}
body.skin-washi .article-meta{color:var(--faint);font-size:12px;letter-spacing:.05em}
body.skin-washi .tool-cta,body.skin-washi .tool-cta-foot{background:#fdf1ee;border:1px solid var(--line2);border-left:3px solid var(--verm);border-radius:4px;padding:22px 26px;display:flex;gap:18px;
  align-items:center;justify-content:space-between;flex-wrap:wrap;margin:30px 0}
body.skin-washi .cta-btn{background:var(--indigo);color:#fdf8ee;padding:12px 24px;border-radius:3px;font-weight:500;letter-spacing:.04em}
body.skin-washi .cta-btn:hover{background:var(--indigo2);color:#fdf8ee}
body.skin-washi .article-body{color:#4a4339;font-size:16px}
body.skin-washi .article-body h2{color:var(--indigo);font-size:26px;margin:36px 0 14px}
body.skin-washi .article-body h3{color:var(--indigo);font-size:20px;margin:26px 0 10px}
body.skin-washi .article-body p{margin:0 0 18px}
body.skin-washi .article-body ul,body.skin-washi .article-body ol{margin:0 0 18px 24px}
body.skin-washi .article-body a{color:var(--verm);border-bottom:1px solid var(--line2)}

/* ---- Index & error ---- */
body.skin-washi .page-head{text-align:center;margin-bottom:42px}
body.skin-washi .page-head h1{font-size:38px;color:var(--indigo)}
body.skin-washi .page-head-lead{font-size:16px;color:var(--mut);max-width:600px;margin:14px auto 0}
body.skin-washi .cluster-block{margin:44px 0}
body.skin-washi .empty-note{color:var(--faint);text-align:center;padding:40px 0;font-style:italic}
body.skin-washi .error-page{text-align:center;padding:96px 0}
body.skin-washi .error-page h1{font-size:96px;color:var(--verm)}

/* ---- Footer ---- */
body.skin-washi .g-footer{background:var(--indigo);border-top:3px solid var(--verm);margin-top:64px;padding:52px 26px 28px;color:#d7ddee}
body.skin-washi .g-foot-grid{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
body.skin-washi .g-foot-grid h4{font-family:"Noto Serif JP",serif;color:#fff;font-size:13px;letter-spacing:.06em;margin:0 0 14px}
body.skin-washi .g-foot-grid a{display:block;color:#aeb7d2;font-size:13px;padding:4px 0}
body.skin-washi .g-foot-grid a:hover{color:#fff}
body.skin-washi .g-foot-brand .g-brand{color:#fff}
body.skin-washi .g-foot-brand .g-brand::before{background:var(--verm)}
body.skin-washi .g-copy{max-width:1080px;margin:34px auto 0;border-top:1px solid rgba(255,255,255,.15);padding-top:22px;font-size:12px;color:#8b95b4}

@media(max-width:760px){
  body.skin-washi .hero{grid-template-columns:1fr;gap:34px;padding:34px 26px}
  body.skin-washi .hero-h1{font-size:32px}
  body.skin-washi .longform,body.skin-washi .article{padding:30px 26px}
  body.skin-washi .g-foot-grid{grid-template-columns:1fr 1fr}
}