:root{--navy:#12355f;--blue:#1e4f8f;--ink:#24394b;--muted:#536879;--soft:#edf4fb;--line:#c8d9e8;--teal:#26665e;--pale:#f6f9fc}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85}a{color:var(--blue);text-underline-offset:.2em}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #c6840c;outline-offset:4px}svg{display:block;width:100%;height:auto}p{margin:0 0 1em}strong{font-weight:700}[hidden]{display:none!important}
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@media(max-width:850px){.global-nav{display:none}.mobile-menu{display:block}.hero h1{font-size:32px}.hero h1 .sub{font-size:20px}main.article{padding:25px 24px 55px}}
@media(max-width:600px){html{scroll-padding-top:88px}.header-inner{min-height:65px;padding:10px 18px}.logo{font-size:19px}.logo small{font-size:9px}main.article{padding:21px 17px 50px;font-size:16px}.breadcrumb{font-size:11px;margin-bottom:20px}.hero{grid-template-columns:1fr;gap:12px}.hero h1{font-size:30px;line-height:1.5}.hero h1 .sub{font-size:19px}.hero-art{max-width:320px;width:100%;margin:auto;padding:0 15px}.hero-text{font-size:14px}.hero-tag{margin-bottom:9px}.answer{padding:17px 18px;margin-top:22px}.answer .answer-main{font-size:20px}.answer .answer-scope{font-size:12px}.checklist{padding:18px 14px;border-radius:11px}.check-heading{align-items:flex-start;gap:8px}.article .check-heading h2{font-size:19px;line-height:1.6}.check-heading .eyebrow{font-size:10px;margin-left:9px}.check-total{font-size:10px;line-height:1.5;padding-top:17px}.check-total strong{font-size:23px}.check-intro{font-size:12px;margin:12px 2px}.check-grid{grid-template-columns:1fr;gap:16px}.check-phase{padding:5px 12px 7px}.check-phase legend{font-size:15px}.check-row{font-size:14px;padding:11px 1px}.check-tools{align-items:flex-start;gap:8px}.save-status{padding-top:7px;font-size:11px}.text-button{font-size:11px}.fineprint,.storage-help{font-size:11px}.body-section{margin:36px 0}.article h2{font-size:22px;margin-bottom:19px}.firsthand{padding:19px 18px}.figure figcaption{padding:12px 16px 16px}.callout{padding:16px 18px}.callout .ask{font-size:19px}.end-links{grid-template-columns:1fr}.related-card{padding:18px}.link-button{font-size:14px;width:100%;text-align:center}.wait-grid{gap:10px}.wait-card{padding:14px 12px}.wait-card strong{font-size:15px}.wait-card p{font-size:12px}.rental-table th,.rental-table td{padding:10px;font-size:12px}.sources{font-size:12px}.site-footer{padding:30px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.site-footer,.preview-note,.check-tools,.storage-help,.toc{display:none}main.article{max-width:none;padding:0}.checklist{box-shadow:none;break-inside:avoid}.hero-art{max-width:250px}.body-section{break-inside:auto}.check-phase,.figure,.related-card{break-inside:avoid}a{color:#12355f}}

.repair-scenes{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 20px 0}.repair-scene{background:#fff;border:1px solid var(--line);border-radius:8px;padding:15px 10px 0;overflow:hidden}.repair-scene>p{font-size:16px;font-weight:700;color:var(--navy);margin:0 0 5px;text-align:center}@media(max-width:600px){.repair-scenes{grid-template-columns:1fr;padding:16px 16px 0;gap:12px}.repair-scene>p{font-size:15px}.repair-scene svg{max-width:310px;margin:auto}}

/* Main-title hierarchy: the keyword phrase itself has size and colour contrast. */
.hero h1 .title-context{display:block;font-size:25px;line-height:1.6;font-weight:700;color:#536879;letter-spacing:.02em}
.hero h1 .title-focus{display:block;font-size:48px;line-height:1.3;font-weight:800;color:#1e4f8f;margin-top:2px;letter-spacing:.02em}
.hero h1 .sub{font-size:18px;line-height:1.7;font-weight:600;color:#24394b;margin-top:12px}
@media(max-width:850px){.hero h1 .title-context{font-size:23px}.hero h1 .title-focus{font-size:42px}}
@media(max-width:600px){.hero h1 .title-context{font-size:21px}.hero h1 .title-focus{font-size:38px}.hero h1 .sub{font-size:17px;margin-top:10px}}

.article11-byline{font-size:12px;color:var(--muted);margin:10px 0}.article11-byline a{text-decoration:none}