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/* Preserve complete UI contents; match the captured panel's own corner curve. */
.prose .image-trigger{display:block;max-width:100%;margin:0 auto;padding:0;border:0;background:transparent;line-height:0;cursor:zoom-in;border-radius:12px}
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.prose figure{padding:24px;background:#f8faff}
.image-modal-open{overflow:hidden}
.image-dialog{position:fixed;margin:auto;padding:20px;max-width:calc(100vw - 24px);max-height:calc(100dvh - 24px);border:1px solid #dce6f4;border-radius:20px;background:#fff;color:var(--ink);overflow:auto;box-shadow:0 24px 90px #061a4540}
.image-dialog::backdrop{background:#10203d99;backdrop-filter:blur(3px)}
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.image-dialog-close span{font-size:24px;line-height:1}
.image-dialog-stage{margin:auto;max-width:100%;background:#fff}
.image-dialog-stage .product-shot{width:100%;height:auto}
.image-dialog-caption{font-size:12px;line-height:1.8;color:#63718c;margin:18px auto 0;max-width:700px;text-align:center}
@media(max-width:700px){.prose figure{padding:16px}.image-dialog{padding:14px;border-radius:16px}.image-dialog-toolbar{margin-bottom:14px}.image-dialog-caption{font-size:11px;margin-top:14px}}

/* Article reading: one operation heading, then its explanation. */
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.prose{line-break:strict;word-break:normal;overflow-wrap:break-word}
.prose .steps .step-title{font-size:15px;line-height:1.75;margin:0 0 7px;font-weight:700;color:var(--ink);text-wrap:pretty}
.prose .step-description{font-size:14px;line-height:1.95;color:#52617b}
.prose .step-description p{margin:0}
.prose .step-description p+p{margin-top:9px}
.prose .faq-item{margin:18px 0;border:1px solid #dbe6f5;border-radius:16px;overflow:hidden;background:#fff}
.prose .faq-question{display:flex;align-items:flex-start;gap:14px;font-size:15px;line-height:1.85;margin:0;padding:20px 24px;background:#f0f6ff;font-weight:700;letter-spacing:.015em}
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.faq-answer{display:flex;align-items:flex-start;gap:14px;padding:22px 24px 24px;font-size:14px;line-height:1.95;color:#475873}
.faq-answer>.qa-marker{background:#eef1ff;color:#6251b8}
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.prose .faq-answer p{margin:0}
.prose .faq-answer p+p{margin-top:12px}
.prose .faq-answer .note{margin-bottom:0}
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/* Chapter index and matching article headings. */
.toc{position:relative;background:#fff;border:1px solid #dce6f6;border-radius:18px;padding:0;margin:30px 0 46px;box-shadow:0 8px 24px #1e4a7b05;overflow:hidden}
.toc::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#03a5e6,#147ffc 55%,#9473f5)}
.toc summary{display:flex;align-items:center;gap:12px;list-style:none;padding:21px 24px;cursor:pointer;font-size:15px;font-weight:700;color:var(--ink)}
.toc summary::-webkit-details-marker{display:none}
.toc-icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid #d7eaff;background:#f2f8ff;border-radius:10px;color:#127edc}
.toc-icon svg{width:20px;height:20px}
.toc-count{font-size:11px;font-weight:500;color:#72819a;margin-left:auto;white-space:nowrap}
.toc-chevron{width:8px;height:8px;flex:none;border-right:1.5px solid #7486a2;border-bottom:1.5px solid #7486a2;transform:rotate(45deg);margin:-4px 3px 0 8px}
.toc[open] .toc-chevron{transform:rotate(225deg);margin-top:4px}
.toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:0 24px 24px;margin:0}
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.toc nav a::before{content:none}
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.toc-number{color:#5684b5;font-size:11px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.04em;flex:none}
.toc-text{min-width:0;text-wrap:pretty}
.toc-arrow{margin-left:auto;color:#78a0c9;font-size:16px;font-weight:400;flex:none}
.prose h2.section-heading-title{display:flex;align-items:center;gap:13px;padding-bottom:17px;border-bottom:1px solid #dfe7f3;margin:46px 0 22px;font-size:22px;line-height:1.65;letter-spacing:.02em;text-wrap:pretty;scroll-margin-top:28px}
.section-number{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:11px;background:linear-gradient(130deg,#eaf7ff,#edf0ff);border:1px solid #dae7fa;color:#087ad6;font-size:12px;font-weight:700;letter-spacing:.06em;flex:none;font-variant-numeric:tabular-nums}
.article-support{margin-top:36px;padding:29px 30px;border:1px solid #dfe9f6;border-radius:18px;background:linear-gradient(115deg,#f4faff,#f7f7ff)}
.article-support h2{font-size:18px;margin:0 0 7px}
.article-support p{font-size:13px;line-height:1.9;margin:0 0 19px}
.article-support .help-support-button{display:inline-flex;align-items:center;justify-content:center;gap:40px;min-height:48px;padding:11px 27px;border:1px solid transparent;border-radius:999px;background:linear-gradient(110deg,#007db5,#0964df 55%,#7440e8);box-shadow:0 5px 16px #186cdd14;color:#fff;font-size:14px;font-weight:650;line-height:1.6;transition:filter .16s,box-shadow .16s}
.article-support .help-support-button:hover{color:#fff;filter:brightness(.95);box-shadow:0 7px 20px #186cdd26}
.help-support-button span{font-size:20px;line-height:1;font-weight:400}
@media(max-width:700px){.toc{border-radius:16px;margin:26px 0 36px}.toc summary{padding:18px;font-size:14px;gap:10px}.toc-icon{width:31px;height:31px;border-radius:9px}.toc nav{grid-template-columns:1fr;padding:0 18px 18px;gap:8px}.toc nav a{min-height:53px;padding:13px 14px;font-size:13px}.prose h2.section-heading-title{font-size:19px;gap:11px;margin:35px 0 20px;padding-bottom:15px}.section-number{width:31px;height:31px;border-radius:9px;font-size:11px}.article-support{padding:25px 21px;border-radius:16px}.article-support h2{font-size:17px}.article-support p{font-size:12px}.article-support .help-support-button{width:100%;min-height:48px;font-size:14px;gap:30px}}

/* The navigation panel is distinct from the white reading surface. */
@media(min-width:701px){
.article-nav{background:#f4f7fc;border:1px solid #e0e8f3;border-radius:18px;padding:17px 12px 14px;scrollbar-width:thin;scrollbar-color:#cbd8e9 transparent}
.article-nav .back-link{display:block;font-size:11px;font-weight:600;margin:0 4px 14px;padding:2px 4px 15px;border-bottom:1px solid #dfe7f2;color:#5c7394}
.article-nav .nav-group{margin:7px 0}
.article-nav .nav-group summary{display:flex;align-items:center;justify-content:space-between;gap:8px;list-style:none;font-size:11px;line-height:1.75;padding:9px 8px;color:#536c8d}
.article-nav .nav-group summary::-webkit-details-marker{display:none}
.article-nav .nav-group summary::after{content:"";width:6px;height:6px;flex:none;border-right:1.5px solid #8396b0;border-bottom:1.5px solid #8396b0;transform:rotate(-45deg);margin-right:4px}
.article-nav .nav-group[open] summary{font-weight:700;color:#172e50}
.article-nav .nav-group[open] summary::after{transform:rotate(45deg);margin-top:-4px}
.article-nav .nav-group>a{border:1px solid transparent;padding:9px 11px;font-size:11px;line-height:1.85;border-radius:10px;margin:3px 0;color:#51647f}
.article-nav .nav-group>a:hover{background:#eaf2fd;color:#0875d7}
.article-nav .nav-group>a[aria-current="page"]{background:#fff;border-color:#cbdff8;color:#0871cf;box-shadow:0 3px 10px #21477205;font-weight:700}
}
.toc nav{padding-top:12px}
@media(min-width:701px){.article-nav .nav-group summary,.article-nav .nav-group>a{font-size:12px}}

/* Home cards: readable titles, purposeful category previews, and clear links. */
.home-content .start-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.guide-card{display:grid;grid-template-columns:1fr auto;gap:15px 24px;padding:26px 28px;border:1px solid #d9e4f2;border-radius:20px;background:#fff;box-shadow:0 4px 16px #173d7404;transition:border-color .18s,box-shadow .18s,background .18s;min-width:0}
.guide-top{display:flex;align-items:center;gap:14px;grid-column:1/-1}
.guide-number{font-size:12px;font-weight:700;color:#3179bd;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.guide-icon{display:flex;align-items:center;justify-content:center;width:35px;height:35px;border-radius:11px;background:#edf6ff;color:#137cca}
.guide-icon svg{width:21px;height:21px}
.guide-copy{grid-column:1/-1;min-width:0}
.guide-copy h3{font-size:18px;line-height:1.7;letter-spacing:.015em;margin:0 0 8px;font-weight:700;color:#162343;text-wrap:pretty}
.guide-copy p{font-size:14px;line-height:1.9;margin:0;color:#596983;text-wrap:pretty;line-break:strict}
.guide-action{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:650;color:#0872ca;padding-top:14px;border-top:1px solid #edf1f7;gap:20px}
.card-arrow{display:flex;align-items:center;justify-content:center;width:30px;height:30px;flex:none;border:1px solid #dce8f7;background:#f5f9ff;border-radius:50%;font-size:18px;font-weight:400;line-height:1;color:#177bd1;transition:background .18s,color .18s}
.guide-card-intro{grid-column:1/-1;grid-template-columns:64px minmax(0,1fr) auto;align-items:center;gap:25px;padding:31px 32px;background:linear-gradient(115deg,#f0faff,#f4f6ff);border-color:#cfdef3}
.guide-card-intro .guide-top{grid-column:auto;flex-direction:column;gap:8px}
.guide-card-intro .guide-icon{width:48px;height:48px;border-radius:15px;background:#fff;border:1px solid #d6e8fa;order:-1}
.guide-card-intro .guide-icon svg{width:27px;height:27px}
.guide-card-intro .guide-copy{grid-column:auto;max-width:650px}
.guide-card-intro h3{font-size:23px;margin-bottom:9px}
.guide-card-intro .guide-action{grid-column:auto;border:0;padding:0;gap:17px;white-space:nowrap;margin-left:20px}
.guide-card:hover{color:inherit;border-color:#8cb9f3;box-shadow:0 8px 24px #1a508010}
.guide-card:hover .card-arrow,.category-card-refined:hover .card-arrow{background:#0879e6;border-color:#0879e6;color:#fff}
.home-content .category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.category-card-refined{display:flex;align-items:flex-start;gap:20px;padding:26px;border:1px solid #dae4f1;border-radius:18px;background:#fff;transition:border-color .18s,box-shadow .18s;min-width:0}
.category-icon{display:flex;align-items:center;justify-content:center;flex:none;width:48px;height:48px;border:1px solid #dce9f9;border-radius:15px;background:linear-gradient(135deg,#eef9ff,#f1f3ff);color:#147bd3}
.category-icon svg{width:25px;height:25px}
.category-card-refined .category-copy{min-width:0;flex:1}
.category-card-refined h3{font-size:18px;line-height:1.6;margin:1px 0 8px;letter-spacing:.01em;color:#172646;text-wrap:pretty}
.category-card-refined p{font-size:13px;line-height:1.85;margin:0;color:#61708a;line-break:strict;text-wrap:pretty}
.category-count{display:inline-block;margin-top:12px;font-size:11px;line-height:1.6;color:#5d7798;border:1px solid #e1e8f2;background:#f8fafd;padding:2px 9px;border-radius:999px}
.category-card-refined>.card-arrow{align-self:center;margin-left:4px}
.category-card-refined:hover{border-color:#8cb9f3;box-shadow:0 8px 24px #1a508010}
@media(max-width:950px){.guide-card{padding:23px;gap:14px 18px}.guide-card-intro{grid-template-columns:54px minmax(0,1fr);gap:20px;padding:26px}.guide-card-intro .guide-action{grid-column:2;margin-left:0;justify-content:flex-start}.guide-card-intro h3{font-size:21px}.category-card-refined{gap:14px;padding:22px}.category-card-refined h3{font-size:16px}.category-icon{width:40px;height:40px;border-radius:12px}.category-icon svg{width:23px;height:23px}.category-card-refined>.card-arrow{width:27px;height:27px;margin-left:0}}
@media(max-width:700px){.home-content .start-grid,.home-content .category-grid{grid-template-columns:1fr;gap:12px}.home-content .section-heading>p{font-size:12px;line-height:1.85}.guide-card{padding:21px;gap:14px}.guide-top{gap:11px}.guide-copy h3{font-size:17px;line-height:1.75;margin-bottom:7px}.guide-copy p{font-size:13px;line-height:1.85}.guide-action{padding-top:12px;font-size:12px}.guide-card-intro{grid-column:auto;grid-template-columns:1fr;gap:14px;padding:23px 21px}.guide-card-intro .guide-top{flex-direction:row;gap:11px}.guide-card-intro .guide-icon{order:0;width:35px;height:35px;border-radius:11px}.guide-card-intro .guide-icon svg{width:21px;height:21px}.guide-card-intro h3{font-size:20px}.guide-card-intro .guide-action{grid-column:auto;justify-content:space-between;border-top:1px solid #dfe8f5;padding-top:12px}.category-card-refined{padding:21px 18px;gap:14px;border-radius:16px}.category-card-refined h3{font-size:16px;margin:1px 0 7px;line-height:1.7}.category-card-refined p{font-size:12px;line-height:1.9}.category-count{font-size:11px;margin-top:10px}.category-icon{width:39px;height:39px;border-radius:12px}.category-card-refined>.card-arrow{width:26px;height:26px;font-size:16px}}

/* Keep the article's closing support invitation centered as one group. */
.article-support{text-align:center}
.article-support p{max-width:38em;margin-left:auto;margin-right:auto;text-wrap:pretty}
.article-support .help-support-button{margin-inline:auto}

/* Product walkthroughs, played only on request. */
.help-video{margin:30px 0 44px;padding:18px;border:1px solid #d9e6f5;border-radius:24px;background:#f6f9ff;overflow:hidden}
.video-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 14px}.video-heading h2{font-size:17px;margin:0;line-height:1.6;flex:1}.video-heading>span:last-child{font-size:13px;color:#607089}.video-label{font-size:12px;font-weight:700;padding:5px 10px;color:#087af5;background:#e7f0ff;border-radius:999px}.help-video video{display:block;width:100%;height:auto;border-radius:12px;background:#f6f9ff}.help-video video::cue{color:#ffffff;background-color:#0a1638;font-family:"Noto Sans JP",sans-serif;font-size:clamp(12px,1.4vw,18px);font-weight:500;text-shadow:none}.help-video>p{font-size:12px;color:#64748b;margin:12px 0 0;line-height:1.7}@media(max-width:600px){.help-video{padding:10px;border-radius:18px}.video-heading h2{font-size:15px}.help-video video{border-radius:8px}}

.video-player{overflow:hidden;border:1px solid #dbe5f2;border-radius:14px;background:#f6f9ff}
.help-video .video-player video{border-radius:0;cursor:pointer}
.video-controls{display:flex;align-items:center;gap:12px;padding:8px 10px;background:#fff;border-top:1px solid #e1e9f5}
.video-controls[hidden]{display:none}.video-controls button{width:36px;height:36px;display:grid;place-items:center;border:1px solid #d6e4f5;border-radius:999px;background:#fff;color:#087af5;cursor:pointer;flex-shrink:0;font-size:19px;line-height:1}
.video-controls button:hover{background:#edf5ff}.video-controls button:focus-visible,.video-seek:focus-visible{outline:2px solid #087af5;outline-offset:3px}
.video-time{font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12px;color:#526681}.video-seek{flex:1;min-width:35px;accent-color:#087af5;cursor:pointer}
.video-player:fullscreen{display:flex;flex-direction:column;justify-content:center;background:#f6f9ff;border:0;border-radius:0;width:100%;height:100%}.video-player:fullscreen video{flex:1;min-height:0;object-fit:contain;max-height:calc(100% - 54px)}.video-player:fullscreen .video-controls{flex-shrink:0}
@media(max-width:600px){.video-controls{gap:7px;padding:7px}.video-controls button{width:32px;height:32px}.video-time{font-size:11px}}

/* Notification reference: readable cards on narrow screens. */
.mobile-cell-label{display:none}
@media(max-width:640px){
.table-wrap:has(.notification-table){border:0;background:transparent;overflow:visible}
.notification-table,.notification-table tbody{display:block;width:100%}
.notification-table thead{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.notification-table tr{display:block;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:14px;background:#fff}
.notification-table td{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;border:0;padding:10px 14px;font-size:13px;line-height:1.85}
.notification-table td:first-child{width:100%;min-width:0;background:#f2f7fe;color:var(--ink);font-weight:700}
.notification-table td+td{border-top:1px solid #edf1f7}
.notification-table .mobile-cell-label{display:block;color:var(--muted);font-size:12px;font-weight:600}
}

/* Portrait walkthroughs retain readable phone proportions on desktop. */
.video-player.portrait-player{max-width:400px;margin-inline:auto}

/* Overview diagram: show sequence clearly on narrow screens too. */
.workflow-diagram{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;list-style:none;padding:0;margin:24px 0 32px}
.workflow-diagram li{position:relative;display:flex;flex-direction:column;justify-content:center;gap:8px;min-height:104px;padding:16px 10px;text-align:center;background:linear-gradient(135deg,#edf8ff,#f2efff);border:1px solid #d9e5f7;border-radius:16px;color:#111a42;font-size:14px;line-height:1.6}
.workflow-number{font-size:12px;font-weight:700;letter-spacing:.12em;color:#0876da}
.workflow-diagram li:not(:last-child)::after{content:'→';position:absolute;right:-17px;top:50%;transform:translateY(-50%);color:#6b81a5}
@media(max-width:700px){.workflow-diagram{grid-template-columns:1fr;gap:20px}.workflow-diagram li{min-height:72px;flex-direction:row;align-items:center;padding:12px 16px;gap:16px}.workflow-diagram li:not(:last-child)::after{content:'↓';right:50%;top:auto;bottom:-22px;transform:translateX(50%)}}