:root{color-scheme:light;--sg-bg:#f8f6f0;--sg-paper:#fffdf9;--sg-ink:#283d36;--sg-muted:#616962;--sg-line:#dcd9ce;--sg-green:#234e42;--sg-brown:#946448;--sg-wash:#eeeee5;font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN","Meiryo",sans-serif;font-size:16px;font-variant-numeric:tabular-nums}*{box-sizing:border-box}html{scroll-padding-top:148px;scroll-behavior:smooth}body{margin:0;background:var(--sg-bg);color:var(--sg-ink);line-height:1.8}a{color:var(--sg-green);text-underline-offset:4px}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,a,input,summary:focus{outline-offset:4px}:focus-visible{outline:3px solid #aa7549;outline-offset:4px}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}.sg-skip{position:fixed;top:-80px;left:16px;padding:10px 16px;background:white;z-index:100}.sg-skip:focus{top:8px}.sg-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px max(24px,calc((100vw - 1200px)/2));border-bottom:1px solid var(--sg-line);background:var(--sg-paper)}.sg-brand{display:flex;gap:12px;align-items:center;text-decoration:none;flex:none}.sg-brand>span{width:44px;height:44px;border-radius:12px 3px;background:var(--sg-green);color:#fff;text-align:center;line-height:44px;font-size:24px;font-family:"Yu Mincho",serif}.sg-brand b{font-size:18px;font-weight:600;line-height:1.5}.sg-brand small{display:block;font-size:11px;letter-spacing:.12em;color:var(--sg-muted)}.sg-header-actions,.sg-hero-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.sg-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border:1px solid 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30px;background:linear-gradient(135deg,#f1ebdf,#fffdf9);border-radius:3px 20px 3px 3px}.sg-number{display:block;color:#997d62;font-size:16px;letter-spacing:.13em;margin-bottom:20px}.sg-start-note h2{font-size:20px;line-height:1.6;margin:0 0 12px}.sg-start-note p{font-size:14px;margin:10px 0}.sg-small{font-size:13px!important;color:var(--sg-muted)}.sg-nav{position:sticky;top:0;z-index:10;display:flex;justify-content:center;gap:4px;padding:12px 20px;flex-wrap:wrap;background:#f8f6f0f5;border-top:1px solid var(--sg-line);border-bottom:1px solid var(--sg-line);backdrop-filter:blur(6px)}.sg-nav a{padding:7px 14px;font-size:13px;text-decoration:none;font-weight:600;border-radius:6px}.sg-nav a:hover{background:#e8eade}.sg-section{padding:58px 0 12px;scroll-margin-top:75px}.sg-section-heading{display:flex;align-items:center;gap:18px;margin-bottom:22px}.sg-section-index{display:grid;place-items:center;width:49px;height:49px;flex:none;border:1px solid #bcb5a5;border-radius:50%;font-size:16px;color:#795e47}.sg-section-heading .sg-eyebrow{margin:0 0 3px}.sg-section h2{font-size:28px;line-height:1.5;font-weight:600;margin:0}.sg-section-intro{max-width:850px;margin:0 0 24px;color:var(--sg-muted);font-size:15px}.sg-card-grid{display:grid;gap:16px}.sg-three{grid-template-columns:repeat(3,minmax(0,1fr))}.sg-card{padding:24px;background:var(--sg-paper);border:1px solid var(--sg-line);border-radius:12px}.sg-card h3{font-size:18px;font-weight:600;margin:0 0 10px;line-height:1.6}.sg-card p{font-size:14px;margin:10px 0 0}.sg-card h3:before{content:"";display:block;width:26px;height:3px;background:#a47b55;margin-bottom:15px;border-radius:2px}.sg-path{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding:18px 24px;background:#e9eee7;border:1px solid #d3ded4;border-radius:8px;font-size:14px;margin-bottom:26px}.sg-path strong{color:var(--sg-green)}.sg-steps{list-style:none;padding:0;margin:0;counter-reset:setup}.sg-steps 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@media(max-width:1000px){.sg-hero{gap:32px;padding-top:45px}.sg-three{grid-template-columns:repeat(2,minmax(0,1fr))}.sg-nav{justify-content:flex-start}.sg-nav a{padding:5px 10px}.sg-header{padding:15px 24px}.sg-header-actions .sg-button{font-size:12px;padding:8px 12px}.sg-section h2{font-size:25px}.sg-start-note{padding:24px}.sg-hero-actions{align-items:stretch}}
@media(max-width:650px){html{scroll-padding-top:118px}.sg-header{padding:12px 16px;gap:12px;align-items:flex-start;flex-wrap:wrap}.sg-brand b{font-size:16px}.sg-brand>span{width:38px;height:38px;line-height:38px;font-size:22px}.sg-header-actions{width:100%;gap:8px}.sg-header-actions .sg-button{flex:1;font-size:11px;min-height:40px;padding:8px}.sg-hero,.sg-section,.sg-footer{width:calc(100% - 32px)}.sg-hero{grid-template-columns:1fr;gap:24px;padding:34px 0}.sg-hero h1{font-size:35px}.sg-lead{font-size:15px}.sg-desktop-break{display:none}.sg-hero-actions{gap:8px}.sg-hero-actions .sg-button{font-size:13px;padding:10px 12px}.sg-text-link{width:100%;font-size:13px}.sg-start-note{padding:22px}.sg-number{margin-bottom:12px}.sg-nav{gap:3px;padding:8px 12px}.sg-nav a{font-size:11px;padding:4px 7px;min-height:32px;display:flex;align-items:center}.sg-section{padding-top:36px;scroll-margin-top:100px}.sg-section-heading{gap:12px;margin-bottom:18px}.sg-section-index{width:37px;height:37px;font-size:13px}.sg-section h2{font-size:22px}.sg-eyebrow{font-size:10px;letter-spacing:.07em}.sg-section-intro{font-size:14px}.sg-three,.sg-split{grid-template-columns:1fr;gap:12px}.sg-card{padding:20px}.sg-card h3{font-size:17px}.sg-path{padding:16px;font-size:12px;gap:6px}.sg-steps li{gap:12px;padding:18px 0}.sg-steps li:before{width:26px;height:26px}.sg-steps h3,.sg-daily-list h3{font-size:16px}.sg-steps p,.sg-daily-list p{font-size:13px}.sg-note{padding:16px}.sg-note p{font-size:13px}.sg-daily-list li{grid-template-columns:1fr;gap:10px;padding:18px 0}.sg-daily-list li>b{justify-self:start;min-width:84px}.sg-practice-boundary{align-items:flex-start;gap:8px;padding:13px;font-size:12px}.sg-practice-boundary strong{border:0;padding:0}.sg-practice-toolbar{align-items:flex-start;flex-direction:column;gap:8px}.sg-practice-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:5px}.sg-practice-steps li{padding:7px 3px;font-size:11px}#guide-practice-host{padding:15px;scroll-margin-top:110px}.sg-practice-welcome h3{font-size:19px}.sg-practice-welcome p{font-size:13px}.sg-checklist{padding:4px 14px}.sg-checklist label{font-size:13px;gap:10px}.sg-check-count{text-align:left;font-size:12px}.sg-faq details{padding:0 16px}.sg-faq summary{font-size:14px}.sg-faq details p{font-size:13px}.sg-footer{padding:28px 0;align-items:flex-start;flex-direction:column;margin-top:25px}.sg-footer p{font-size:13px}}
/* A short role-specific path stays above the reference material. */
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@media(max-width:650px){.sg-hero{grid-template-columns:1fr;padding:26px 0;gap:20px}.sg-hero h1{font-size:30px}.sg-role-choices{grid-template-columns:1fr;gap:10px}.sg-role-choice{padding:15px}.sg-role-choice small{display:block}.sg-start-note{padding:19px}.sg-start-note h2{font-size:18px}.sg-header-actions .sg-button{font-size:11px;flex:1 1 auto}.sg-header-actions .sg-primary{flex-basis:100%}.sg-route{padding:19px;margin-bottom:20px}.sg-route h2{font-size:21px}.sg-route ol{grid-template-columns:1fr;gap:17px}.sg-route-next{flex-direction:column;gap:12px}.sg-route-next .sg-button{width:100%}.sg-route>.sg-small{font-size:12px!important}.sg-faq-search{padding:15px}.sg-faq-search>div:first-of-type{flex-direction:column}.sg-faq-search input{font-size:16px}.sg-faq-search .sg-button{align-self:flex-start}.sg-share-box>div{flex-direction:column}.sg-share-box .sg-button{align-self:flex-start}.sg-share-status{width:calc(100% - 32px)}.sg-storage-note{font-size:12px}.sg-practice-actions .sg-button{font-size:12px;padding:9px 12px}.sg-practice-toolbar{margin-top:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.sg-role-choices,.sg-hero>.sg-text-link,#guide-practice-shortcut,.sg-route,.sg-faq-search,.sg-share-box,.sg-share-status,.sg-storage-note{display:none!important}.sg-start-note ol{font-size:9pt}.sg-start-note{break-inside:avoid}.sg-section-heading{break-inside:avoid;page-break-inside:avoid}.sg-section-heading>div{break-inside:avoid;page-break-inside:avoid}.sg-section-heading h2{break-before:avoid;page-break-before:avoid}}
@media print{@page{size:A4;margin:14mm}html{scroll-padding:0;scroll-behavior:auto}body{font-size:10pt;background:white;color:#222}.sg-header{padding:0 0 8mm;border-bottom:1px solid #aaa}.sg-header-actions,.sg-nav,.sg-hero-actions,.sg-skip,.sg-practice-toolbar,#guide-practice-host,#guide-practice-steps,#guide-practice-error,.sg-footer>a{display:none!important}.sg-hero,.sg-section,.sg-footer{width:100%;max-width:none}.sg-hero{display:block;padding:8mm 0 4mm}.sg-hero h1{font-size:24pt;margin:0 0 4mm}.sg-lead{font-size:11pt;margin-bottom:4mm}.sg-start-note{padding:4mm;margin:4mm 0;background:white;border:1px solid #aaa}.sg-start-note h2{font-size:12pt}.sg-start-note p,.sg-section p,.sg-section li,.sg-small,.sg-card p,.sg-steps p{font-size:9pt!important}.sg-number{display:none}.sg-section{padding:6mm 0 2mm;scroll-margin:0}.sg-section-heading{gap:3mm;margin-bottom:3mm;break-after:avoid}.sg-section h2{font-size:16pt}.sg-section-index{width:9mm;height:9mm;font-size:10pt}.sg-eyebrow{font-size:8pt}.sg-three{grid-template-columns:repeat(2,minmax(0,1fr));gap:3mm}.sg-card{padding:4mm;break-inside:avoid;background:white}.sg-card h3{font-size:11pt}.sg-card h3:before{display:none}.sg-split{gap:3mm}.sg-path{padding:3mm;background:white;font-size:9pt}.sg-steps li{padding:3mm 0;gap:3mm;break-inside:avoid}.sg-steps h3,.sg-daily-list h3{font-size:11pt}.sg-note{padding:3mm;margin-top:3mm;break-inside:avoid;background:white}.sg-daily-list li{padding:3mm 0;grid-template-columns:22mm 1fr;gap:4mm;break-inside:avoid}.sg-daily-list li>b{font-size:9pt}.sg-practice-section:after{content:"操作練習は、ブラウザーでこのガイドの『架空の予約で操作を練習』を開いてください。";display:block;padding:3mm 0;font-size:9pt}.sg-practice-boundary{font-size:9pt;background:white;padding:3mm;border:1px solid #bbb}.sg-checklist{padding:1mm 4mm}.sg-checklist label{padding:3mm 0;min-height:0;break-inside:avoid;font-size:9pt}.sg-checklist input{width:4mm;height:4mm}.sg-faq details{border:0;border-bottom:1px solid #ccc;padding:2mm 0;margin:0;break-inside:avoid}.sg-faq summary{font-size:10pt;padding:2mm 0}.sg-faq details>p{display:block!important;content-visibility:visible!important;height:auto!important;margin:0 0 2mm}.sg-footer{padding:5mm 0;margin-top:5mm}.sg-footer p{font-size:8pt}.sg-footer b{font-size:12pt}a{color:#222;text-decoration:none}}