:root{--ink:#171a26;--muted:#667085;--line:#dde1e9;--paper:#f4f5f8;--white:#fff;--navy:#07007e;--blue:#1b42d1;--red:#e6202e;--green:#147a5b;--amber:#b26b00;--shadow:0 18px 55px rgba(20,27,52,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic",sans-serif;line-height:1.65}.topbar{height:76px;padding:0 clamp(22px,4vw,64px);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--red),#95000b);color:#fff;font-weight:800;font-size:13px;letter-spacing:.08em}.brand strong,.brand small{display:block}.brand strong{font-size:15px;letter-spacing:.04em}.brand small{font-size:11px;color:var(--muted)}button,select,input{font:inherit}.top-actions,.hero-actions,.screen-nav{display:flex;align-items:center;gap:12px}button{cursor:pointer}.primary,.ghost,.text-button{border:0;border-radius:8px;padding:11px 17px;font-weight:700}.primary{background:var(--navy);color:#fff}.primary:hover{background:#1510a8}.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.text-button{background:transparent;color:var(--navy);padding-left:0}.large{padding:14px 22px}.hero{min-height:560px;padding:92px clamp(24px,7vw,120px);display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);align-items:center;gap:7vw;background:radial-gradient(circle at 76% 20%,rgba(42,71,218,.15),transparent 28%),linear-gradient(135deg,#fff 0%,#f1f3fb 62%,#eceefe 100%)}.eyebrow{margin:0 0 12px;color:var(--blue);font-size:12px;letter-spacing:.16em;font-weight:800}.hero h1{margin:0;font-size:clamp(42px,6.2vw,84px);line-height:1.06;letter-spacing:-.055em}.lead{max-width:680px;margin:28px 0 30px;font-size:18px;color:#50586b}.hero-summary{background:var(--ink);color:#fff;padding:36px;border-radius:20px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.hero-summary>div{border-left:1px solid #3a3f52;padding-left:16px}.hero-summary span{display:block}.metric{font-size:38px;line-height:1;font-weight:800}.hero-summary>div span:last-child{margin-top:8px;color:#bdc3d5;font-size:12px}.hero-summary p{grid-column:1/-1;margin:8px 0 0;border-top:1px solid #383d4f;padding-top:20px;color:#dce2f0}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#34c88a;margin-right:8px}.notice{margin:-30px auto 0;position:relative;z-index:2;max-width:1180px;padding:22px 28px;background:#fff;border:1px solid var(--line);border-left:5px solid var(--red);box-shadow:0 10px 34px rgba(20,27,52,.08);display:grid;grid-template-columns:230px 1fr;gap:24px}.notice p{margin:0;color:var(--muted)}.section{max-width:1240px;margin:0 auto;padding:100px 30px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px}.section-heading h2{font-size:clamp(30px,4vw,50px);margin:0;letter-spacing:-.04em;line-height:1.15}.section-heading>p{max-width:440px;margin:0;color:var(--muted)}.path-list{border-top:1px solid var(--line)}.path-row{display:grid;grid-template-columns:76px minmax(180px,.75fr) minmax(300px,1.25fr) 120px;align-items:center;gap:24px;padding:25px 8px;border-bottom:1px solid var(--line);transition:.2s}.path-row:hover{background:#fff;padding-left:18px;padding-right:18px}.path-index{font-size:13px;color:var(--blue);font-weight:800}.path-row h3{margin:0;font-size:21px}.path-row p{margin:0;color:var(--muted)}.path-count{text-align:right;font-size:13px;font-weight:700}.verified{max-width:none;background:var(--ink);color:#fff;padding-left:max(30px,calc((100vw - 1240px)/2 + 30px));padding-right:max(30px,calc((100vw - 1240px)/2 + 30px))}.verified .section-heading>p,.verified .section-intro{color:#b9c0d2}.verified-badge{background:#143a31;color:#9ff0cc;border:1px solid #265d4d;border-radius:999px;padding:8px 14px;font-size:12px;font-weight:700}.verified-badge span{color:#fff;margin-left:8px}.section-intro{max-width:740px;margin:-18px 0 35px}.flow-tabs{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #393e50;border-radius:12px 12px 0 0;overflow:hidden}.flow-tab{border:0;border-right:1px solid #393e50;background:#242837;color:#c3c9d8;padding:16px;text-align:left;font-weight:700}.flow-tab:last-child{border-right:0}.flow-tab span{color:#858da4;margin-right:8px}.flow-tab.active{background:#fff;color:var(--ink)}.flow-tab.active span{color:var(--blue)}.screen-stage{background:#fff;color:var(--ink);padding:30px;border-radius:0 0 12px 12px}.screen-meta{display:grid;grid-template-columns:1fr 1.2fr;gap:42px;margin-bottom:24px}.screen-meta>div:first-child{display:grid;grid-template-columns:52px 1fr;column-gap:16px}.screen-meta .eyebrow{grid-column:2;margin-bottom:0}.screen-meta h3{grid-column:2;margin:0;font-size:26px}.step-no{grid-row:1/3;display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:#eef0ff;color:var(--navy);font-weight:800}.screen-copy p{margin:0;color:var(--muted)}.checkline{margin-top:11px;font-weight:700;color:var(--green)}.checkline:before{content:"✓";display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#dff6ed;margin-right:8px}.screen-frame{position:relative;width:100%;padding:0;border:1px solid var(--line);background:#f6f7fa;border-radius:8px;overflow:hidden}.screen-frame img{display:block;width:100%;max-height:650px;object-fit:contain;background:#eef0f5}.screen-frame>span{position:absolute;right:12px;bottom:12px;background:rgba(23,26,38,.86);color:#fff;border-radius:6px;padding:6px 10px;font-size:11px}.screen-nav{justify-content:flex-end;margin-top:18px}.screen-nav span{margin-right:auto;color:var(--muted);font-size:13px}.filters{display:grid;grid-template-columns:minmax(260px,1fr) 260px 210px;gap:12px}.search{position:relative}.search span{position:absolute;left:15px;top:10px;color:var(--muted);font-size:22px}.search input,select{width:100%;height:48px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 14px}.search input{padding-left:44px}.library-meta{display:flex;justify-content:space-between;margin:22px 0 12px;color:var(--muted);font-size:13px}.legend{display:flex;gap:10px;align-items:center}.legend i{width:8px;height:8px;border-radius:50%;display:inline-block}.live{background:var(--green)}.partial{background:var(--amber)}.doc{background:#777e91}.feature-group{background:#fff;border:1px solid var(--line);border-radius:10px;margin:12px 0;overflow:hidden}.feature-group summary{list-style:none;cursor:pointer;padding:20px 22px;display:grid;grid-template-columns:48px 1fr 70px;align-items:center;font-weight:800}.feature-group summary::-webkit-details-marker{display:none}.feature-group summary:after{content:"＋";text-align:right;color:var(--muted)}.feature-group[open] summary:after{content:"−"}.group-code{color:var(--blue);font-size:12px}.group-count{text-align:right;font-size:12px;color:var(--muted);font-weight:600}.feature-table{border-top:1px solid var(--line)}.feature-row{display:grid;grid-template-columns:72px minmax(260px,1fr) minmax(220px,.8fr) 110px;gap:18px;padding:15px 22px;border-bottom:1px solid #edf0f4;align-items:center}.feature-row:last-child{border-bottom:0}.feature-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue);font-weight:800;font-size:12px}.feature-title{font-weight:700}.feature-purpose{color:var(--muted);font-size:13px}.status{justify-self:end;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:700}.status.実画面確認{background:#e4f6ef;color:#116d50}.status.一部確認{background:#fff2d8;color:#8e5600}.status.資料確認{background:#eceef3;color:#626a7c}.empty{padding:50px;text-align:center;color:var(--muted);background:#fff;border-radius:10px}footer{background:#0e111b;color:#d2d7e5;padding:32px clamp(24px,7vw,120px);display:flex;justify-content:space-between;gap:24px;font-size:12px}footer strong{color:#fff}dialog{border:0;padding:54px 24px 24px;border-radius:12px;max-width:min(94vw,1500px);background:#0d1019;color:#fff;box-shadow:var(--shadow)}dialog::backdrop{background:rgba(5,7,13,.82)}dialog img{display:block;max-width:100%;max-height:78vh;margin:auto}dialog p{text-align:center;margin:14px 0 0;color:#c4cad9}#closeDialog{position:absolute;right:16px;top:12px;background:transparent;color:#fff;border:0;font-size:28px}
@media(max-width:820px){.top-actions .ghost{display:none}.hero{grid-template-columns:1fr;padding-top:60px}.hero-summary{padding:26px}.notice{margin:0;border-left:0;border-top:5px solid var(--red);grid-template-columns:1fr}.section{padding:70px 20px}.section-heading{display:block}.section-heading>p{margin-top:14px}.path-row{grid-template-columns:42px 1fr}.path-row p{grid-column:2}.path-count{display:none}.flow-tabs{grid-template-columns:1fr 1fr}.screen-meta{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.feature-row{grid-template-columns:55px 1fr 100px}.feature-purpose{grid-column:2/4}.legend{display:none}footer{display:block}footer span{display:block;margin-top:8px}}
@media(max-width:520px){.topbar{height:66px}.top-actions{display:none}.hero{padding:48px 20px 64px;min-height:auto}.hero h1{font-size:42px}.lead{font-size:16px}.hero-summary{grid-template-columns:1fr 1fr}.hero-summary>div:last-of-type{grid-column:1/-1}.flow-tabs{grid-template-columns:1fr}.screen-stage{padding:18px}.screen-meta h3{font-size:21px}.feature-row{grid-template-columns:48px 1fr}.status{grid-column:2;justify-self:start}.feature-purpose{grid-column:2}.library-meta{display:block}}
.screen-toolbar{display:flex;align-items:center;gap:12px;margin-bottom:12px}.view-switch{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}.view-toggle{border:0;border-right:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 14px;font-size:12px;font-weight:700}.view-toggle:last-child{border-right:0}.view-toggle.active{background:var(--navy);color:#fff}.screen-toolbar>span{color:var(--muted);font-size:12px}.open-image{margin-left:auto;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--navy);padding:9px 14px;font-size:12px;font-weight:700}.screen-frame{position:relative;width:100%;padding:0;border:1px solid var(--line);background:#eef0f5;border-radius:8px}.screen-frame img{display:block;background:#eef0f5}.screen-frame.zoomed{height:min(650px,68vh);overflow:auto}.screen-frame.zoomed img{width:max(145%,1400px);max-width:none;max-height:none;object-fit:unset}.screen-frame.fit{overflow:hidden}.screen-frame.fit img{width:100%;max-height:650px;object-fit:contain}@media(max-width:820px){.screen-toolbar{align-items:flex-start;flex-wrap:wrap}.view-switch{width:100%}.view-toggle{flex:1}.screen-toolbar>span{flex:1}.screen-frame.zoomed{height:min(480px,62vh)}}@media(max-width:520px){.open-image{margin-left:0}.screen-toolbar>span{flex-basis:100%}.screen-frame.zoomed{height:min(380px,58vh)}.screen-frame.zoomed img{width:max(175%,1000px)}}
.screen-frame.zoomed:not(.portrait) img{width:max(185%,1800px)}.screen-frame.zoomed.portrait img{width:min(100%,1000px);margin:0 auto}
.step-guide{display:grid;grid-template-columns:.8fr 1.35fr 1.15fr;gap:12px;margin:0 0 20px}.guide-item{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid #dfe3ec;border-radius:10px;background:#f8f9fc}.guide-item>span{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--red);color:#fff;font-weight:800}.guide-item small{display:block;margin-bottom:3px;color:#6c7485;font-weight:800}.guide-item strong,.guide-item p{display:block;margin:0;color:#202536;font-size:14px;line-height:1.55}.guide-item.confirm{background:#eff9f5;border-color:#c9e8dc}.guide-item.confirm>span{background:var(--green)}
.image-canvas{position:relative;width:100%;margin:0 auto}.image-canvas img{width:100%;height:auto;max-height:none;object-fit:unset}.capture-marker{position:absolute;left:var(--focus-x,82%);top:var(--focus-y,18%);transform:translate(-50%,-50%);z-index:3;display:flex;align-items:center;gap:8px;pointer-events:none;filter:drop-shadow(0 3px 7px rgba(0,0,0,.25))}.capture-marker b{display:grid;place-items:center;width:38px;height:38px;border:4px solid #fff;border-radius:50%;background:var(--red);color:#fff;font-size:17px}.capture-marker span{white-space:nowrap;border:2px solid #fff;border-radius:999px;background:var(--red);color:#fff;padding:7px 11px;font-size:12px;font-weight:800}.capture-marker.confirm b,.capture-marker.confirm span{background:var(--green)}
.capture-marker[hidden]{display:none}
.screen-frame.fit{max-height:none;overflow:hidden}.screen-frame.fit .image-canvas{width:100%}.screen-frame.fit.portrait .image-canvas{width:min(100%,760px)}.screen-frame.zoomed{height:min(650px,68vh);overflow:auto}.screen-frame.zoomed .image-canvas{width:max(165%,1600px)}.screen-frame.zoomed.portrait .image-canvas{width:min(100%,1000px)}.screen-frame.zoomed img,.screen-frame.fit img{width:100%;max-width:none;max-height:none;object-fit:unset}
@media(max-width:920px){.step-guide{grid-template-columns:1fr}.guide-item{padding:13px}.capture-marker span{display:none}.screen-frame.zoomed .image-canvas{width:max(185%,1200px)}}

/* Function library rows open the matching guided lesson. */
.feature-row{appearance:none;width:100%;border:0;border-bottom:1px solid #edf0f4;border-radius:0;background:#fff;color:inherit;text-align:left;display:grid;grid-template-columns:72px minmax(240px,1fr) minmax(210px,.8fr) 110px 116px;gap:18px;padding:15px 22px;align-items:center;transition:background .16s,box-shadow .16s}
.feature-row:hover{background:#f4f6ff;box-shadow:inset 4px 0 0 var(--navy)}
.feature-row:focus-visible{outline:3px solid #5f68e8;outline-offset:-3px;background:#f4f6ff}
.feature-link-label{justify-self:end;color:var(--navy);font-size:13px;font-weight:800;white-space:nowrap}
.feature-link-label b{font-size:16px;margin-left:3px}
@media(max-width:900px){.feature-row{grid-template-columns:55px minmax(0,1fr) 100px}.feature-title{grid-column:2}.status{grid-column:3;grid-row:1;justify-self:end}.feature-purpose{grid-column:2/4}.feature-link-label{grid-column:2/4;justify-self:start}}
@media(max-width:520px){.feature-row{grid-template-columns:48px 1fr}.status,.feature-purpose,.feature-link-label{grid-column:2}.feature-link-label{justify-self:start}}
.hero h1{font-size:clamp(40px,4.6vw,66px);line-height:1.08}.hero-line{display:block;white-space:nowrap}.verified[hidden]{display:none!important}
.path-item{border-bottom:1px solid var(--line)}.path-row{appearance:none;width:100%;border:0;border-radius:0;background:transparent;color:inherit;text-align:left;grid-template-columns:76px minmax(180px,.75fr) minmax(300px,1.25fr) 90px 34px}.path-row:hover,.path-row[aria-expanded="true"]{background:#fff;padding-left:18px;padding-right:18px}.path-toggle{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--navy);font-size:19px;font-weight:700}.path-panel{padding:0 18px 24px 100px;background:#fff}.path-panel[hidden]{display:none}.path-guide{display:grid;width:100%;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:30px;padding:20px 22px;border:1px solid var(--line);border-radius:10px;background:#f7f8fc;color:var(--ink);text-align:left}.path-guide+.path-guide{margin-top:10px}.path-guide:hover{border-color:#7e88d6;background:#f1f3ff}.path-guide strong,.path-guide small{display:block}.path-guide strong{font-size:17px}.path-guide small{margin-top:5px;color:var(--muted);font-size:14px}.path-guide b{color:var(--navy);white-space:nowrap}
.section{scroll-margin-top:76px}
.feature-row{grid-template-columns:60px minmax(260px,1fr) 100px 116px}
.feature-id{grid-column:1;grid-row:1}.feature-title{grid-column:2;grid-row:1}.status{grid-column:3;grid-row:1;justify-self:end}.feature-link-label{grid-column:4;grid-row:1}.feature-purpose{grid-column:2/5;grid-row:2}
@media(max-width:900px){.feature-row{grid-template-columns:55px minmax(0,1fr) 90px}.feature-id{grid-column:1;grid-row:1}.feature-title{grid-column:2;grid-row:1}.status{grid-column:3;grid-row:1}.feature-purpose{grid-column:2/4;grid-row:2}.feature-link-label{grid-column:2/4;grid-row:3;justify-self:start}}

/* Homepage direct search */
.hero-search{position:relative;z-index:5;max-width:760px;margin-top:32px}
.hero-search>label{display:block;margin-bottom:8px;color:#343b50;font-size:14px;font-weight:800}
.hero-search-box{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;min-height:64px;padding:6px 7px 6px 16px;border:2px solid #cbd1e1;border-radius:14px;background:#fff;box-shadow:0 14px 34px rgba(20,27,52,.11);transition:border-color .16s,box-shadow .16s}
.hero-search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(27,66,209,.12),0 16px 38px rgba(20,27,52,.14)}
.hero-search-box>span{color:var(--blue);font-size:28px;line-height:1}
.hero-search-box input{min-width:0;height:48px;border:0;outline:0;background:transparent;color:var(--ink);font-size:17px}
.hero-search-box input::placeholder{color:#8790a4}
.hero-search-box button{height:48px;border:0;border-radius:9px;padding:0 24px;background:var(--navy);color:#fff;font-weight:800}
.hero-search-results{position:absolute;top:100%;left:0;right:0;margin-top:9px;max-height:430px;overflow:auto;border:1px solid #d8dce7;border-radius:12px;background:#fff;box-shadow:0 24px 54px rgba(20,27,52,.2)}
.hero-search-results[hidden]{display:none}
.hero-search-result{appearance:none;width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 20px;padding:14px 18px;border:0;border-bottom:1px solid #edf0f4;background:#fff;color:var(--ink);text-align:left}
.hero-search-result:last-child{border-bottom:0}
.hero-search-result:hover,.hero-search-result:focus-visible{background:#f2f4ff;outline:0}
.hero-search-result span{grid-column:1;color:var(--blue);font-size:11px;font-weight:800}
.hero-search-result strong{grid-column:1;font-size:15px}
.hero-search-result small{grid-column:1;color:var(--muted);font-size:12px}
.hero-search-result b{grid-column:2;grid-row:1/4;align-self:center;color:var(--navy);font-size:12px;white-space:nowrap}
.hero-search-empty{margin:0;padding:20px;color:var(--muted);font-size:14px}
@media(max-width:820px){.hero-search{max-width:none}.hero-search-results{position:relative;top:auto}}
@media(max-width:520px){.hero-search-box{grid-template-columns:28px minmax(0,1fr);padding-right:12px}.hero-search-box button{grid-column:1/3;width:100%;margin:5px 0 3px}.hero-search-result{grid-template-columns:1fr}.hero-search-result b{grid-column:1;grid-row:auto;margin-top:5px}}

/* Keep lesson navigation visible before and while reading long captures. */
.screen-nav{position:sticky;top:88px;z-index:8;display:grid;grid-template-columns:auto minmax(70px,1fr) auto;align-items:center;gap:12px;margin:14px 0 16px;padding:11px 13px;border:1px solid #d9deea;border-radius:10px;background:rgba(255,255,255,.96);box-shadow:0 10px 28px rgba(20,27,52,.12);backdrop-filter:blur(12px)}
.screen-nav span{margin:0;color:var(--muted);font-size:14px;font-weight:800;text-align:center}
.screen-nav button{min-width:112px}
@media(max-width:620px){.screen-nav{top:116px;grid-template-columns:1fr 1fr}.screen-nav span{grid-column:1/3;grid-row:1}.screen-nav button{grid-row:2;min-width:0;width:100%}}

/* QR codes stay compact with a clear quiet zone so a phone can scan them from a PC screen. */
.screen-frame.qr-code{height:auto!important;overflow:visible!important;padding:32px;background:#fff}
.screen-frame.qr-code .image-canvas{width:min(100%,420px)!important;margin:0 auto;padding:18px;background:#fff}
.screen-frame.qr-code img{display:block;width:100%!important;height:auto!important;max-width:none;max-height:none;object-fit:contain;background:#fff}
.view-switch[hidden],.open-image[hidden]{display:none!important}
.screen-nav.qr-mode{position:static}
@media(max-width:620px){.screen-frame.qr-code{padding:18px}.screen-frame.qr-code .image-canvas{width:min(100%,360px)!important;padding:12px}}