*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f0f4f7;color:#263e4d;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;font-size:16px;line-height:1.95;overflow-wrap:anywhere}a{color:#007faf;text-underline-offset:4px}img{max-width:100%;height:auto}button,input,textarea,select{font:inherit}button,a,input,textarea,summary{touch-action:manipulation}button,summary{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid #0097e0;outline-offset:4px}button:disabled{opacity:.55;cursor:default}[hidden]{display:none!important}.screen-reader-text,.skip-link:not(:focus){position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.skip-link:focus{position:fixed;left:15px;top:15px;padding:12px 20px;background:#fff;z-index:100}.site-header{background:#fff}.masthead{text-align:center;padding:22px 20px 19px;border-top:4px solid #0097e0}.site-title{font-size:30px;font-weight:400;line-height:1.4;letter-spacing:-.6px;text-decoration:none;color:#153c53}.site-description{font-size:11px;letter-spacing:.06em;color:#6b899a;margin:7px 0 0}.nav-band{background:#e4eff6;border-block:1px solid #d3e3ec;display:flex;align-items:center;justify-content:center;gap:32px;padding:10px 25px}.primary-links{list-style:none;display:flex;align-items:center;justify-content:center;gap:28px;flex-wrap:wrap;padding:0;margin:0}.primary-links a{font-size:13px;text-decoration:none;color:#1d5879;font-weight:600}.primary-links .current-menu-item>a,.primary-links .current_page_item>a{text-decoration:underline;text-decoration-thickness:2px}.primary-links .sub-menu,.primary-links .children{list-style:none;margin:0;padding:0 0 0 12px}.primary-links li{position:relative}.site-search{display:flex;align-items:center;background:white;border-radius:25px;width:235px;flex-shrink:0;padding:0 8px 0 17px;border:1px solid #e0e8ed}.site-search input{border:0;background:transparent;min-width:0;width:100%;font-size:12px;padding:9px 0;color:#38596c;outline:none}.site-search:focus-within{outline:3px solid #82c9ee;outline-offset:2px}.site-search button{border:0;background:transparent;display:grid;place-items:center;color:#648797;padding:7px}.site-search svg{width:18px;height:18px}.site-container{max-width:1390px;padding:38px 30px 65px;margin:auto}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start}.main-column{min-width:0}.no-sidebar{max-width:1120px;display:block}.reading-sidebar{min-width:0}.reading-sidebar section{background:white;border:1px solid #dae5ec;border-radius:6px;padding:20px}.reading-sidebar section+section{margin-top:20px}.reading-sidebar h2{font-size:17px;line-height:1.6;margin:0 0 15px}.reading-sidebar p{font-size:13px;color:#6e8492;line-height:1.9;margin:10px 0}.reading-sidebar a{font-size:12px;text-decoration:none}.author-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;min-height:76px}.eyebrow{font-size:10px;color:#0086b9;letter-spacing:.08em;font-weight:700}.author-picture{width:76px;height:76px;border-radius:50%;object-fit:cover;background:white}.side-profile h2{font-size:20px;margin:2px 0 12px}.author-socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.author-socials a{width:38px;height:38px;display:grid;place-items:center;border:1px solid #cfdfeb;border-radius:50%;background:#fff;color:#3a6985}.author-socials a:hover{background:#e1f3fc}.author-socials svg{width:19px;height:19px;fill:currentColor}.author-socials .social-youtube{color:#d23e41}.author-socials .social-line{color:#218f51}.category-list{list-style:none;padding:0;margin:0}.category-list li{padding-left:calc(var(--category-level,0)*9px)}.category-list a{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #e7edf2;font-size:13px;color:#3b5b6e}.category-count{font-size:11px;color:#91a9b8;flex-shrink:0}input[data-category-filter]{width:100%;border:1px solid #d8e4ec;border-radius:5px;padding:10px 12px;font-size:12px;margin:0 0 8px}.mobile-categories{display:none;border:1px solid #dce9f1;background:#f7fbfd;border-radius:5px;padding:12px 16px;margin-bottom:25px}.mobile-categories summary{font-size:13px;font-weight:600;color:#3a6178}.mobile-categories .category-list{display:grid;grid-template-columns:1fr 1fr;gap:0 20px;margin-top:12px}.no-sidebar .mobile-categories{display:block}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:15px;border-bottom:1px solid #dbe6ed;padding-bottom:13px;margin:0 0 24px}.section-heading h1,.section-heading h2{font-size:21px;margin:0;line-height:1.6}.section-heading>span{font-size:10px;letter-spacing:.08em;color:#8298a7}.rank-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:13px;margin:0 0 42px}.rank-list a{text-decoration:none;color:#263e4d}.rank-image{aspect-ratio:16/9;position:relative;border-radius:5px;overflow:hidden;background:#e6edf2;display:grid;place-items:center}.rank-image img{width:100%;height:100%;object-fit:contain}.rank-number{position:absolute;top:0;left:0;background:#138ec1;color:#fff;width:26px;height:28px;display:grid;place-items:center;font-size:13px;font-weight:700}.rank-list li:first-child .rank-number{background:#a18033}.rank-list h3{font-size:13px;font-weight:600;line-height:1.7;margin:10px 0 0}.post-card{background:#fff;border:1px solid #dce6ed;border-radius:6px;margin-bottom:16px;overflow:hidden}.post-card-link{display:grid;grid-template-columns:36% minmax(0,1fr);align-items:center;gap:22px;padding:16px;text-decoration:none;color:inherit}.post-card:hover{border-color:#9bcce3}.post-card-image{aspect-ratio:16/9;border-radius:5px;overflow:hidden;background:#edf3f7;display:grid;place-items:center}.post-card-image img{display:block;width:100%;height:100%;object-fit:contain}.image-placeholder{font-size:14px;color:#7894a6;padding:10px}.post-card-title{font-size:18px;line-height:1.7;margin:7px 0}.card-excerpt{font-size:13px;color:#69808e;line-height:1.8;margin:6px 0}.post-card time{font-size:11px;color:#8b9da6}.article-heading{background:#fff;border:1px solid #e1e9ee;border-radius:6px;padding:25px;text-align:center}.breadcrumb{text-align:left;font-size:12px;color:#7d909b;margin:0 0 18px}.article-heading h1{font-size:30px;line-height:1.7;text-wrap:balance;margin:0 0 18px}.article-meta{font-size:12px;color:#7b909d;display:flex;justify-content:center;gap:8px 20px;flex-wrap:wrap}.article-hero{margin:30px 0}.article-hero img{display:block;width:100%;height:auto;border-radius:5px}.entry-content{background:#fff;border:1px solid #e1e9ee;border-radius:6px;padding:8px 26px 26px;margin-top:28px}.entry-content>*{max-width:800px;margin-inline:auto}.entry-content p{line-height:1.95;margin-top:19px;margin-bottom:19px}.entry-content h1{font-size:28px;line-height:1.7}.entry-content h2{max-width:800px;background:#f1f7fb;border-bottom:2px solid #d9eaf4;border-radius:3px;font-size:24px;line-height:1.65;margin-top:40px;margin-bottom:24px;padding:14px 18px}.entry-content h3{font-size:21px;line-height:1.7;margin-top:35px}.entry-content h4{font-size:19px;line-height:1.7}.entry-content figure,.entry-content .alignwide,.entry-content .alignfull{max-width:100%;margin-inline:auto;margin-top:30px;margin-bottom:30px}.entry-content .wp-block-image img{height:auto;max-width:100%}.entry-content .wp-block-image img:not([style*="width"]){width:100%}.entry-content figure figcaption{font-size:12px;line-height:1.8;color:#7a909d;text-align:center;margin-top:10px}.wp-block-table{overflow-x:auto;border:1px solid #dce7ed;border-radius:5px}.wp-block-table table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.8}.wp-block-table th,.wp-block-table td{padding:13px 17px;border:0;border-bottom:1px solid #e1eaf0;vertical-align:top}.wp-block-table th{background:#eaf5fc;color:#18536e;font-weight:600}.wp-block-table tr:nth-child(even){background:#f8fbfd}.wp-block-table table.has-fixed-layout{table-layout:auto}.wp-block-embed__wrapper{position:relative}.wp-block-embed iframe{max-width:100%;aspect-ratio:16/9;width:100%;height:auto}.entry-content pre{overflow:auto;padding:18px;background:#f3f7fa}.entry-content blockquote{padding:12px 24px;border-left:3px solid #0097e0;background:#f2f8fc}.entry-content hr{border:0;border-top:1px solid #e3ebf0;margin-block:30px}.article-toc{background:#fff;border:1px solid #dce6ed;border-radius:6px;padding:18px 22px;margin:22px auto 30px}.article-toc summary{font-weight:600;font-size:15px}.article-toc ol{font-size:14px;line-height:1.9;padding-left:24px}.article-toc li{margin:7px 0}.article-toc a{text-decoration:none}.related-section{margin-top:35px;background:#fff;padding:25px;border:1px solid #e1e9ee;border-radius:6px}.related-section>h2{font-size:22px;margin:0 0 20px}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.compact-card{margin:0}.compact-card .post-card-link{display:block;padding:0}.compact-card .post-card-image{border-radius:0}.compact-card .post-card-copy{padding:14px}.compact-card .post-card-title{font-size:15px;margin:7px 0}.post-navigation{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px;font-size:13px}.post-navigation>div:last-child{text-align:right}.post-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px;font-size:12px}.post-tags a{padding:4px 12px;background:white;border:1px solid #dce6ed;border-radius:3px;text-decoration:none}.pagination{margin-top:30px}.nav-links{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.page-numbers{padding:5px 13px;background:#fff;border:1px solid #dce6ed;border-radius:4px;text-decoration:none}.page-numbers.current{background:#0784b9;color:#fff}.fixed-page{max-width:850px;margin-top:30px;margin-bottom:35px;background:#fff;border:1px solid #dde7ed;border-radius:6px}.fixed-page .article-heading{border:0;padding:5px 0 20px}.fixed-page .entry-content{border:0;padding:0;margin-top:15px}.archive-heading{margin-bottom:30px}.archive-heading h1{font-size:27px;line-height:1.6}.site-footer{background:#e4edf3;padding:30px 20px;text-align:center;color:#748b99;font-size:12px}.site-footer ul{list-style:none;display:flex;justify-content:center;gap:25px;flex-wrap:wrap;padding:0;margin:0 0 15px}.site-footer a{font-size:12px;text-decoration:none;color:#4a7288}.wpcf7-form label{font-size:14px;font-weight:600}.wpcf7-form input:not([type=radio]):not([type=checkbox]):not([type=submit]),.wpcf7-form textarea,.wpcf7-form select{display:block;width:100%;border:1px solid #cddde7;border-radius:5px;padding:12px 14px;margin-top:8px;background:white;color:#294858}.wpcf7-form .wpcf7-list-item{display:inline-block;margin:0 20px 10px 0}.wpcf7-form input[type=submit],.wp-block-button__link{border:0;background:#008bc5;color:#fff;padding:12px 25px;border-radius:5px;font-size:14px}.wpcf7-not-valid-tip{font-size:13px}.wpcf7-spinner{vertical-align:middle}
@media(min-width:1151px){.entry-content .alignwide{width:100%}}
@media(max-width:1150px){.content-grid{grid-template-columns:1fr;max-width:1050px;padding-inline:26px}.reading-sidebar{display:none}.mobile-categories{display:block}}
@media(max-width:800px){.nav-band{flex-direction:column;gap:14px;padding:14px 18px}.site-search{width:100%;max-width:430px}.rank-list{gap:12px}.primary-links{gap:14px 22px}.related-grid{gap:13px}}
@media(max-width:600px){body{font-size:16px}.masthead{padding:20px 16px 18px}.site-title{font-size:27px}.site-description{font-size:10px}.primary-links a{font-size:12px}.site-search{max-width:none}.site-container,.content-grid{padding:26px 18px 45px}.rank-list{grid-template-columns:1fr;gap:14px;margin-bottom:35px}.rank-list li>a{display:grid;grid-template-columns:115px 1fr;gap:14px;align-items:center}.rank-list h3{margin:0;font-size:13px}.rank-number{width:23px;height:25px}.post-card-link{grid-template-columns:1fr;gap:12px;padding:14px}.post-card-title{font-size:19px}.card-excerpt{font-size:13px}.article-heading{padding:18px 16px}.article-heading h1{font-size:24px;line-height:1.75}.article-meta{font-size:11px}.entry-content{padding:5px 15px 20px}.entry-content h2{font-size:21px;padding:12px 13px}.entry-content h3{font-size:19px}.entry-content h1{font-size:24px}.entry-content .wp-block-table td,.entry-content .wp-block-table th{font-size:14px;padding:11px 13px}.related-grid{grid-template-columns:1fr;gap:19px}.related-section{padding:18px 15px}.compact-card .post-card-title{font-size:17px}.post-navigation{gap:18px}.fixed-page{margin:20px 12px;max-width:calc(100% - 24px)}.article-toc{padding:17px 18px}.mobile-categories .category-list a{font-size:12px}.site-footer ul{gap:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

.author-heading:not(:has(img)){min-height:0}.sidebar-widget .wp-block-search__inside-wrapper{display:flex;flex-wrap:wrap;gap:8px}.sidebar-widget input{max-width:100%;min-width:0}.sidebar-widget .wp-block-search__button{margin:0;font-size:12px;padding:8px}
