:root{--ch-paper:#f8f6f0;--ch-ink:#34453e;--ch-muted:#68756d;--ch-line:#d8ddd3;--ch-green:#3d5a4a;--ch-lilac:#e8e3eb;--ch-serif:'Yu Mincho','Hiragino Mincho ProN',serif;--ch-sans:'Yu Gothic','Hiragino Kaku Gothic ProN',sans-serif}body{background:var(--ch-paper);color:var(--ch-ink);font-family:var(--ch-sans);line-height:1.9;font-size:16px}a{color:var(--ch-green);text-underline-offset:.25em}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #976332;outline-offset:4px}#content.content{margin-top:0}.content-in.wrap{max-width:1120px;width:calc(100% - 64px);display:block}.main{width:100%;padding:40px 0;background:transparent;border:0}.ch-header{border-bottom:1px solid var(--ch-line)}.ch-header-inner{max-width:1120px;margin:auto;min-height:132px;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:26px 0}.ch-brand{font-family:var(--ch-serif);font-size:32px;letter-spacing:.18em;text-decoration:none;color:var(--ch-ink)}.ch-brand span{display:block;font-family:var(--ch-sans);font-size:10px;letter-spacing:.16em;margin-top:6px}.ch-navigation{max-width:1120px;margin:auto;display:flex;gap:44px;padding:16px 0;font-size:13px;letter-spacing:.08em;border-top:1px solid var(--ch-line)}.ch-navigation a{text-decoration:none}.ch-navigation a:hover{text-decoration:underline}.ch-search{display:flex;border-bottom:1px solid var(--ch-muted);font-size:12px}.ch-search input{width:205px;border:0;padding:10px;background:transparent;border-radius:0}.ch-search button{border:0;background:transparent;padding:10px;color:var(--ch-ink)}.ch-hero{position:relative;padding:58px 8% 72px;border-bottom:1px solid var(--ch-line)}.ch-eyebrow{font-size:11px;letter-spacing:.18em;color:var(--ch-muted)}.ch-hero h1{font-family:var(--ch-serif);font-weight:400;font-size:64px;letter-spacing:.12em;line-height:1.65;margin:24px 0}.ch-lead{font-size:15px;line-height:2.2}.ch-text-link{display:inline-flex;gap:42px;align-items:center;margin-top:22px;font-size:13px}.ch-hero-note{position:absolute;right:10%;top:100px;writing-mode:vertical-rl;font-family:var(--ch-serif);font-size:19px;letter-spacing:.4em}.ch-section-title{margin-bottom:30px}.ch-section-title h2{font-family:var(--ch-serif);font-size:30px;font-weight:400;background:none;border:0;padding:8px 0;margin:0}.ch-topics,.ch-latest{padding:64px 0 20px}.ch-topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--ch-line)}.ch-topic{padding:26px 22px;text-decoration:none;color:var(--ch-ink);border-right:1px solid var(--ch-line);transition:background .15s}.ch-topic:last-child{border:0}.ch-topic:hover{background:#edeedF}.ch-topic-no{font-size:11px;letter-spacing:.2em;color:var(--ch-muted)}.ch-topic h3{font-family:var(--ch-serif);font-size:19px;font-weight:400;border:0;padding:0;margin:26px 0 12px}.ch-topic p{font-size:12px;min-height:3.8em}.ch-topic>span:last-child{display:block;text-align:right;font-size:20px}.ch-reading-list article{border-top:1px solid var(--ch-line);padding:22px 0}.ch-reading-list time{font-size:11px;color:var(--ch-muted)}.ch-reading-list h3{border:0;padding:0;font-size:20px}.ch-reading-list p,.ch-empty{font-size:14px;color:var(--ch-muted)}.ch-empty{border-top:1px solid var(--ch-line);padding:30px 0}.ch-footer{border-top:1px solid var(--ch-line);margin-top:70px;padding:42px 0;background:#ecefe7}.ch-footer-inner{max-width:1120px;margin:auto}.ch-footer-brand{font-family:var(--ch-serif);font-size:22px;letter-spacing:.1em}.ch-footer nav{display:flex;flex-wrap:wrap;gap:20px;font-size:12px}.ch-small,.ch-footer small{font-size:11px;color:var(--ch-muted)}.ch-skip{position:absolute;left:16px;top:-100px;padding:10px;background:white;z-index:10000}.ch-skip:focus{top:16px}.article{max-width:820px;margin:auto}.article h1{font-family:var(--ch-serif);font-size:34px;font-weight:400;line-height:1.7}.article h2{background:transparent;border:0;border-bottom:1px solid var(--ch-line);padding:18px 0;font-size:24px;font-weight:500}.article h3{border:0;border-left:2px solid var(--ch-green);font-size:20px}.ch-breadcrumbs{font-size:12px;margin:8px 0 32px}.ch-related,.ch-post-navigation{max-width:820px;margin:30px auto}.ch-section-shukatsu{--ch-green:#565c70;--ch-ink:#404655;--ch-paper:#f7f7f4}.ch-section-shukatsu .ch-footer{background:#eeeef0}
@media(max-width:1184px){.ch-header-inner,.ch-navigation,.ch-footer-inner{margin-left:32px;margin-right:32px}}@media(max-width:700px){.content-in.wrap{width:calc(100% - 36px)}.ch-header-inner{min-height:100px;margin:0 18px;padding:22px 0;display:block}.ch-brand{font-size:27px}.ch-search{margin-top:16px;max-width:100%}.ch-search input{width:100%}.ch-navigation{margin:0 18px;gap:0;display:grid;grid-template-columns:1fr 1fr;font-size:12px}.ch-navigation a{padding:8px}.main{padding-top:16px}.ch-hero{padding:30px 6px 46px}.ch-hero h1{font-size:43px}.ch-lead{font-size:13px}.ch-hero-note{right:4px;top:70px;font-size:13px}.ch-topic-grid{grid-template-columns:1fr 1fr}.ch-topic{padding:20px 16px;border-bottom:1px solid var(--ch-line)}.ch-topic:nth-child(2){border-right:0}.ch-topic:nth-child(3){border-bottom:0}.ch-topic h3{font-size:17px}.ch-topic p{font-size:11px}.ch-section-title h2{font-size:26px}.ch-topics,.ch-latest{padding-top:42px}.ch-footer-inner{margin:0 18px}.ch-footer nav{display:block}.ch-footer nav a{display:block;padding:5px 0}.article h1{font-size:27px}.article h2{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media(max-width:700px){.ch-hero h1{font-size:clamp(26px,8vw,34px);letter-spacing:.08em;max-width:calc(100% - 24px)}.ch-search input{min-width:0}.ch-search button{flex-shrink:0;white-space:nowrap}.ch-hero-note{font-size:11px}}
/* Editorial archive headings, topic labels, and image-led article cards. */
.ch-archive-heading{padding:24px 0 34px;margin-bottom:34px;border-bottom:1px solid var(--ch-line)}.ch-archive-heading .ch-eyebrow{margin:0 0 14px}.ch-archive-heading .archive-title{padding:0;background:none;border:0;font-family:var(--ch-serif);font-size:36px;line-height:1.6;font-weight:400;letter-spacing:.08em}.ch-article-topics{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0}.ch-article-topics a{display:inline-block;padding:5px 14px;border:1px solid var(--ch-line);border-radius:2px;background:transparent;color:var(--ch-green);font-size:12px;text-decoration:none}.ch-article-topics a:hover{background:#edf0e8}.ch-reading-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 26px}.ch-reading-list .ch-reading-card{padding:0;border:0;min-width:0}.ch-reading-image{display:block;aspect-ratio:16/10;overflow:hidden;background:#eeede6}.ch-reading-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.ch-reading-image:hover img{transform:scale(1.035)}.ch-reading-copy{padding:18px 0}.ch-reading-list .ch-reading-card h3{font-family:var(--ch-serif);font-weight:500;line-height:1.8;font-size:19px;margin:8px 0 12px}.ch-reading-card h3 a{text-decoration:none}.ch-reading-card h3 a:hover{text-decoration:underline}.ch-reading-card p{font-size:12px;line-height:1.9;margin:0}.entry-card-wrap{border-bottom:1px solid var(--ch-line);padding:24px 0}.entry-card-thumb{overflow:hidden}.entry-card-thumb img{aspect-ratio:16/10;object-fit:cover}.entry-card-title{font-family:var(--ch-serif);font-weight:500;line-height:1.8}.entry-card-thumb .cat-label{background:var(--ch-paper);color:var(--ch-green);border:0;font-size:10px;padding:4px 9px;top:10px;left:10px}.entry-card-categorys{display:none}
@media(max-width:900px){.ch-reading-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.ch-reading-list{grid-template-columns:1fr;gap:18px}.ch-archive-heading .archive-title{font-size:29px}.ch-archive-heading{padding-top:16px;margin-bottom:16px}.ch-reading-list .ch-reading-card h3{font-size:20px}.ch-reading-copy{padding:15px 0 22px}.entry-card-wrap{padding:18px 0}.entry-card-thumb .cat-label{display:none}}

/* Compact, legible advertising disclosure at the start of the article. */
.article .ch-disclosure{font-size:13px;line-height:1.7;color:#59665e;background:transparent;border:0;padding:0;margin:0 0 20px;font-weight:400}
.article .ch-disclosure strong{font-size:inherit;font-weight:500}

/* Comfortable article rhythm, including narrow screens. */
.article .entry-content>p{margin:0 0 1.25em;line-height:1.9;overflow-wrap:anywhere}
.article .entry-content>h2{margin:2.2em 0 1em;line-height:1.6}
.article .entry-content>h3{margin:1.8em 0 .8em;line-height:1.65}
.article .entry-content>ul,.article .entry-content>ol{padding-left:1.4em;margin:0 0 1.5em}
.article .entry-content>ul>li,.article .entry-content>ol>li{margin:.6em 0;line-height:1.85}
.article .entry-content .ch-note{font-size:13px;line-height:1.8;color:var(--ch-muted)}
.article .wp-block-table{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media(max-width:600px){
.article .entry-content{font-size:15px;line-height:1.85}
.article h1{font-size:25px;line-height:1.6;letter-spacing:.02em}
.article .entry-content>h2{font-size:20px;padding:12px 0;margin-top:1.9em}
.article .entry-content>h3{font-size:17px;padding-left:12px}
.article .entry-content>p{margin-bottom:1.15em;line-height:1.85}
.article .entry-content>ul,.article .entry-content>ol{padding-left:1.25em}
.article .wp-block-table table{font-size:13px;line-height:1.7}
.article .wp-block-table td,.article .wp-block-table th{padding:10px 8px;min-width:5em}
.ch-product-has-image{grid-template-columns:80px minmax(0,1fr);gap:12px}
.ch-product .ch-product-name{font-size:14px;line-height:1.6}
.ch-product .ch-product-spec{font-size:12px;line-height:1.65}
.ch-product .ch-product-cta{font-size:12px;padding:10px 8px}
}

/* A quiet, compact contact form with clear labels and generous touch targets. */
.page-id-10 .article{max-width:680px}.page-id-10 .date-tags{display:none}
.page-id-10 .wpcf7{margin:30px 0 0}
.ch-contact-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px 20px}
.ch-contact-field{min-width:0}.ch-contact-wide{grid-column:1/-1}
.ch-contact-field p{margin:0}.ch-contact-field label{display:flex;align-items:center;gap:9px;margin-bottom:8px;font-size:14px;font-weight:500;line-height:1.6}
.ch-field-tag{font-size:10px;font-weight:400;background:#e8ece5;color:#465c4f;padding:2px 6px;border-radius:3px}.ch-field-optional{font-size:11px;font-weight:400;color:#68756d}
.ch-contact-field .wpcf7-form-control-wrap{display:block}
.ch-contact-field input,.ch-contact-field textarea{display:block;box-sizing:border-box;width:100%;max-width:100%;padding:12px 14px;border:1px solid #cbd3c8;border-radius:6px;background:#fff;color:#34453e;font:inherit;font-size:16px;line-height:1.6;box-shadow:none;min-height:48px}
.ch-contact-field textarea{height:160px;min-height:130px;resize:vertical}
.ch-contact-field input::placeholder,.ch-contact-field textarea::placeholder{color:#7a847d;font-size:14px}
.ch-contact-field input:focus,.ch-contact-field textarea:focus{border-color:#3d5a4a;outline:2px solid #b9c9bb;outline-offset:2px}
.ch-contact-field br{display:none}
.article .ch-contact-privacy{font-size:12px;color:#68756d;line-height:1.9;margin:22px 0 20px}
.ch-contact-actions p{margin:0}.ch-contact-actions{position:relative;text-align:center}
.ch-contact-actions .wpcf7-submit{width:auto;min-width:240px;min-height:48px;padding:13px 28px;background:#3d5a4a;color:#fff;border:1px solid #3d5a4a;border-radius:6px;font-size:14px;line-height:1.6;cursor:pointer}
.ch-contact-actions .wpcf7-submit:hover{background:#2f483a}.ch-contact-actions .wpcf7-submit:disabled{opacity:.6;cursor:wait}
.ch-contact-actions .wpcf7-spinner{position:absolute;margin:12px 0 0 10px}
.page-id-10 .wpcf7-not-valid-tip{font-size:12px;margin-top:6px}.page-id-10 .wpcf7 form .wpcf7-response-output{margin:20px 0 0;padding:12px 16px;font-size:13px;border-radius:6px}
@media(max-width:600px){.ch-contact-fields{grid-template-columns:minmax(0,1fr);gap:18px}.page-id-10 .wpcf7{margin-top:24px}.ch-contact-actions .wpcf7-submit{width:100%;min-width:0}.ch-contact-actions .wpcf7-spinner{position:static;display:block;margin:8px auto 0}.page-id-10 .wpcf7 form:not(.submitting) .wpcf7-spinner{display:none}}