/*
Theme Name: 社長ブログ — 余白
Description: 余白と読みやすさを大切にした社長ブログ専用テーマ。トップページの文言・おすすめ記事・各リンクはカスタマイザーで管理できます。
Version: 1.0.0
Author: 社長ブログ
Text Domain: syachou-yohaku
Requires at least: 6.0
Requires PHP: 7.4
*/
:root{--ink:#102c48;--accent:#158f9f;--pale:#eafafb;--line:#dce4e7;--muted:#54616e;--width:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#fff;color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a,button{transition:color .15s,background .15s}a:focus-visible,summary:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:4px}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}button,input{font:inherit}button,summary{cursor:pointer}.wrap{width:min(var(--width),calc(100% - 80px));margin-inline:auto}.site-header{background:#fff;position:relative;z-index:10}.header-inner{max-width:1320px;margin:auto;min-height:78px;padding:14px 40px;display:flex;align-items:center;gap:22px}.brand{font-size:32px;font-weight:800;letter-spacing:-1.5px;white-space:nowrap;line-height:1.3}.tagline{font-size:12px;letter-spacing:.04em;border-left:1px solid var(--line);padding-left:20px;white-space:nowrap}.desktop-nav{display:flex;align-items:center;gap:20px;margin-left:auto;font-size:12px;font-weight:700}.desktop-nav ul,.site-footer ul,.mobile-menu ul{list-style:none;padding:0;margin:0;display:flex;gap:20px}.desktop-nav a{white-space:nowrap}.header-search summary{list-style:none;width:26px;height:30px;display:grid;place-items:center}.header-search summary::-webkit-details-marker{display:none}.search-icon{display:block;width:17px;height:17px;border:2px solid var(--ink);border-radius:50%;position:relative}.search-icon:after{content:"";position:absolute;width:8px;height:2px;background:var(--ink);right:-6px;bottom:-3px;transform:rotate(48deg)}.search-panel{position:absolute;right:40px;top:calc(100% - 5px);padding:22px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px #102c4812;max-width:calc(100vw - 32px)}.search-form{display:flex;gap:8px}.search-form label{flex:1;min-width:0}.search-form input{width:100%;padding:9px 12px;border:1px solid #aebdc3;border-radius:4px;background:#fff;color:var(--ink)}.search-form button{border:0;border-radius:4px;background:var(--accent);color:#fff;padding:8px 20px;white-space:nowrap}.mobile-menu{display:none}.hero{position:relative;overflow:hidden;background:#e5f9fa;border-top-right-radius:64px;isolation:isolate}.hero-art{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-1}.hero-inner{min-height:410px;display:flex;flex-direction:column;justify-content:center;padding-block:55px}.hero h1{font-size:clamp(34px,3.75vw,56px);line-height:1.45;letter-spacing:.015em;font-weight:800;max-width:70%}.hero h1 span{color:var(--accent)}.hero p{font-size:18px;font-weight:600;margin-top:18px;letter-spacing:.08em;max-width:62%}.category-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;padding:24px 0 30px}.category-pills a{border:1px solid var(--line);border-radius:30px;font-size:13px;font-weight:700;padding:6px 24px;text-align:center;box-shadow:0 1px 2px #102c4808}.category-pills a:hover,.category-pills .active{background:var(--accent);border-color:var(--accent);color:#fff}.section-heading{font-size:25px;line-height:1.35;border-left:8px solid var(--accent);padding-left:22px;margin-bottom:20px;font-weight:800;letter-spacing:.03em}.feature-card{border-radius:5px;background:var(--pale);padding:26px 44px 30px}.badge{display:inline-block;color:#245368;border:1px solid #c2e2e5;border-radius:20px;padding:1px 15px;font-size:12px;line-height:1.6;font-weight:700;background:#ffffff94}.feature-card h3{font-size:30px;line-height:1.55;margin:12px 0}.feature-card p{max-width:750px;color:#334c60;line-height:1.8;font-size:16px}.text-link{display:inline-block;font-size:15px;font-weight:700;border-bottom:1px solid var(--accent);padding-bottom:3px;margin-top:13px}.text-link span{margin-left:10px;color:var(--accent)}.latest{margin-top:32px}.latest .section-heading{margin-bottom:0}.post-row{display:flex;gap:30px;align-items:center;border-bottom:1px solid var(--line);padding:22px 16px}.post-row:last-of-type{border-bottom:0}.row-category{width:145px;flex-shrink:0}.row-link{display:flex;flex:1;align-items:center;justify-content:space-between;gap:24px;min-width:0}.row-link h2{font-size:23px;line-height:1.55;margin-bottom:3px}.row-link p{font-size:15px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.arrow{font-size:26px;color:var(--accent);font-weight:400;flex-shrink:0}.pagination{margin:24px 0 30px;text-align:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:280px;border:1px solid #8c9ca9;border-radius:30px;padding:9px 30px;font-size:16px;font-weight:700}.button:hover{background:var(--pale)}.theme-section{background:var(--pale);padding:28px 0 24px}.theme-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:30px;padding-inline:28px}.theme-grid>a{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 12px;border-bottom:1px solid #cfe5e7}.theme-grid h3{font-size:21px;line-height:1.5}.theme-grid p{color:var(--muted);font-size:14px;line-height:1.7;margin-top:4px}.about,.related-media{padding-top:26px}.section-body{padding-left:30px}.section-body h3{font-size:27px;line-height:1.5;margin-bottom:6px}.section-body p{font-size:15px;color:var(--muted)}.site-footer{margin-top:28px;border-top:1px solid var(--line);padding:18px 0 14px}.footer-inner{display:flex;align-items:center;gap:18px}.site-footer .brand{font-size:23px}.site-footer .tagline{font-size:10px;padding-left:18px}.site-footer nav{margin-left:auto;display:flex;gap:18px;font-size:12px;color:var(--muted)}.copyright{text-align:right;font-size:10px;color:var(--muted);margin-top:8px}.archive-main{min-height:65vh;padding-block:24px 60px}.breadcrumbs{font-size:12px;color:var(--muted);margin-bottom:30px;overflow-wrap:anywhere}.breadcrumbs a{text-decoration:underline}.archive-header{padding:24px 0 36px;border-bottom:1px solid var(--line)}.archive-header h1{font-size:36px;line-height:1.6}.archive-description{color:var(--muted);max-width:800px;margin-top:16px}.archive-main .search-form{max-width:600px;margin:28px 0}.navigation.pagination .nav-links,.pagination{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.page-numbers{padding:6px 12px;border:1px solid var(--line);border-radius:4px}.page-numbers.current{background:var(--accent);color:#fff}.article-wrap{width:min(850px,calc(100% - 64px));margin:32px auto 60px}.article-header{padding:24px 0 32px;border-bottom:1px solid var(--line);margin-bottom:36px}.article-header h1{font-size:36px;line-height:1.6;margin:14px 0 20px;overflow-wrap:anywhere}.article-header time{font-size:13px;color:var(--muted)}.article-categories{display:flex;gap:8px;flex-wrap:wrap}.article-categories a,.tags a{font-size:12px;border:1px solid #c2e2e5;border-radius:20px;padding:2px 12px;color:#245368}.entry-content{font-size:17px;line-height:2;overflow-wrap:anywhere}.entry-content p{margin:0 0 1.6em}.entry-content h2{font-size:27px;line-height:1.65;margin:2em 0 1em;padding:12px 18px;border-left:5px solid var(--accent);background:var(--pale)}.entry-content h3{font-size:23px;line-height:1.7;margin:1.6em 0 .8em;padding-bottom:8px;border-bottom:1px solid var(--line)}.entry-content h4{font-size:20px;margin:1.4em 0 .8em}.entry-content a{color:#127b8d;text-decoration:underline;text-underline-offset:3px}.entry-content img{max-width:100%;height:auto}.entry-content iframe,.entry-content video{max-width:100%}.entry-content figure{max-width:100%;margin:24px 0}.entry-content table{border-collapse:collapse;max-width:100%;width:100%;margin:24px 0;font-size:15px;display:block;overflow-x:auto}.entry-content th,.entry-content td{border:1px solid #ccdce0;padding:10px 14px}.entry-content th{background:var(--pale)}.entry-content blockquote{margin:24px 0;padding:16px 24px;border-left:3px solid var(--accent);background:#f7fafb}.entry-content ul,.entry-content ol{padding-left:1.5em}.entry-content .toc,.entry-content #toc_container{background:#f6fbfb;border:1px solid var(--line);padding:22px;max-width:100%}.entry-content .aligncenter{display:block;margin-inline:auto}.entry-content .alignleft{float:left;margin:0 24px 16px 0}.entry-content .alignright{float:right;margin:0 0 16px 24px}.entry-content:after{content:"";display:block;clear:both}.article-footer{border-top:1px solid var(--line);padding-top:24px;margin-top:40px}.tags{display:flex;flex-wrap:wrap;gap:8px}.post-navigation{margin:35px 0}.post-navigation .nav-links{display:flex;justify-content:space-between;gap:30px;font-size:14px}.post-navigation .nav-links>div{max-width:48%}.back-home{display:flex;width:max-content;max-width:100%;margin:40px auto 0}.screen-reader-text,.skip-link{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link:focus{width:auto;height:auto;clip-path:none;top:10px;left:10px;padding:10px;background:#fff;z-index:100}
@media(min-width:1600px){.hero-art{object-fit:contain}.hero-inner{min-height:460px}}
@media(max-width:1150px){.header-inner{gap:16px;padding-inline:28px}.header-inner .tagline{display:none}.brand{font-size:29px}.desktop-nav{gap:16px}.hero-inner{min-height:360px}.hero p{font-size:15px}.row-link h2{font-size:21px}}
@media(max-width:760px){body{font-size:15px}.wrap{width:calc(100% - 36px)}.header-inner{min-height:65px;padding:14px 18px;gap:20px}.brand{font-size:26px}.desktop-nav{display:none}.header-search{margin-left:auto}.search-panel{right:18px}.mobile-menu{display:block;font-size:12px}.mobile-menu summary{list-style:none;padding:4px 0}.mobile-menu summary:after{content:" ≡";font-size:18px}.mobile-menu nav{position:absolute;left:0;right:0;top:100%;background:#fff;padding:20px;box-shadow:0 12px 18px #102c4812}.mobile-menu nav,.mobile-menu ul{display:flex;flex-direction:column;gap:14px}.hero{border-top-right-radius:36px}.hero-inner{min-height:470px;padding:28px 0 245px;justify-content:flex-start}.hero h1{font-size:clamp(29px,6vw,40px);line-height:1.55;max-width:100%;letter-spacing:0}.hero p{max-width:100%;font-size:12px;margin-top:12px;letter-spacing:0}.hero-art{width:790px;max-width:none;height:296px;top:auto;left:auto;right:-8px;bottom:-8px;object-fit:contain}.category-pills{gap:8px;justify-content:flex-start;padding:20px 0 25px}.category-pills a{font-size:11px;padding:5px 14px}.section-heading{font-size:21px;border-left-width:6px;padding-left:14px;margin-bottom:16px}.feature-card{padding:22px}.feature-card h3{font-size:23px;margin:12px 0}.feature-card p{font-size:14px}.latest{margin-top:28px}.post-row{flex-direction:column;align-items:stretch;gap:8px;padding:20px 0}.row-category{width:auto}.badge{font-size:11px;padding-inline:12px}.row-link{gap:15px}.row-link h2{font-size:19px}.row-link p{font-size:13px;margin-top:6px}.arrow{font-size:23px}.button{font-size:14px;min-width:230px}.theme-section{padding:25px 0}.theme-grid{grid-template-columns:1fr;padding-inline:8px;gap:0}.theme-grid>a{padding:14px 2px}.theme-grid h3{font-size:19px}.theme-grid p{font-size:13px}.section-body{padding-left:18px}.section-body h3{font-size:22px}.section-body p{font-size:14px}.site-footer{padding-top:20px}.footer-inner{flex-wrap:wrap;gap:12px}.site-footer .tagline{font-size:9px;padding-left:12px}.site-footer .brand{font-size:21px}.site-footer nav{width:100%;margin:6px 0;flex-wrap:wrap;gap:14px}.copyright{text-align:left;margin-top:14px}.article-wrap{width:calc(100% - 36px);margin-top:22px}.article-header{padding-top:6px;margin-bottom:26px}.article-header h1{font-size:27px;line-height:1.6}.entry-content{font-size:16px;line-height:1.95}.entry-content h2{font-size:22px;padding:10px 14px}.entry-content h3{font-size:20px}.entry-content table{font-size:13px}.entry-content td,.entry-content th{padding:7px 10px}.entry-content .alignleft,.entry-content .alignright{float:none;margin:20px 0}.entry-content .mentorStyle{flex-wrap:wrap}.entry-content .mentorStyle>*{max-width:100%;min-width:0}.archive-header h1{font-size:28px}.post-navigation .nav-links{gap:16px;font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}a,button{transition:none}}

@font-face{font-family:YohakuJP;src:url('assets/noto-sans-jp.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
body{font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,YohakuJP,sans-serif}
.hero-art{object-fit:contain;object-position:right center}
.entry-content div{max-width:100%}

/* Related media: dedicated design, scoped to the home-page section. */
.related-media{padding:76px 0 20px;color:#20333f}
.media-heading{text-align:center;margin-bottom:44px}
.media-eyebrow{color:#138e98;font-size:17px;letter-spacing:.2em;font-weight:500;margin-bottom:12px}
.media-heading h2{font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",YohakuJP,serif;font-size:clamp(30px,3.6vw,52px);font-weight:600;letter-spacing:.05em;line-height:1.5}
.media-intro{font-size:21px;letter-spacing:.06em;margin-top:20px;color:#3b4850}
.media-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.media-card{display:flex;flex-direction:column;min-width:0;background:#e9f9fb;border:1px solid #c6e5e8;border-top:7px solid #149ca8;border-radius:7px;padding:36px 36px 32px;color:#20333f;transition:box-shadow .2s,transform .2s}
.media-card--design{background:#fff6db;border-color:#efdfaa;border-top-color:#edbd42}
.media-card:hover{color:#20333f;box-shadow:0 8px 24px #20333f12;transform:translateY(-3px)}
.media-label{font-size:17px;font-weight:600;color:#137b88;letter-spacing:.07em}
.media-card--design .media-label{color:#876115}
.media-card h3{font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",YohakuJP,serif;font-size:clamp(25px,2.45vw,35px);font-weight:600;line-height:1.65;letter-spacing:.01em;margin:12px 0 20px;padding-bottom:22px;border-bottom:1px solid #a9c2c5}
.media-card--design h3{border-bottom-color:#c6bb94}
.media-description{font-size:19px;line-height:1.9;letter-spacing:.025em;margin-bottom:32px}
.media-cta{display:flex;align-items:center;gap:18px;font-size:21px;font-weight:700;letter-spacing:.08em;color:#128795;margin-top:auto}
.media-arrow{border:1px solid currentColor;border-radius:50%;width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;font-size:27px;font-weight:400;line-height:1;letter-spacing:0}
.media-note{text-align:center;font-size:16px;letter-spacing:.06em;color:#54616e;margin-top:38px}
@media(max-width:1000px){.media-card{padding:26px 24px}.media-description{font-size:16px}.media-card h3{font-size:27px}.media-intro{font-size:18px}}
@media(max-width:760px){.related-media{padding-top:48px}.media-heading{margin-bottom:28px}.media-eyebrow{font-size:13px}.media-heading h2{font-size:28px;letter-spacing:0}.media-intro{font-size:14px;letter-spacing:0;margin-top:14px}.media-cards{grid-template-columns:1fr;gap:20px}.media-card{padding:25px 23px}.media-label{font-size:14px}.media-card h3{font-size:clamp(23px,6.2vw,32px);margin:10px 0 18px;padding-bottom:18px}.media-description{font-size:15px;margin-bottom:25px}.media-cta{font-size:18px}.media-arrow{width:32px;height:32px;font-size:23px}.media-note{font-size:13px;margin-top:25px;line-height:1.9}}
@media(prefers-reduced-motion:reduce){.media-card{transition:none}.media-card:hover{transform:none}}