:root{--ink:#173c40;--muted:#597376;--teal:#087f8d;--deep:#075f68;--paper:#fff;--cream:#f7f5ee;--line:#dce8e6;--soft:#edf7f5;--red:#d92d48;--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:140px}body.reader{margin:0;background:var(--cream);color:var(--ink);font:400 16px/1.9 "Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif}body.reader::before{content:"";position:absolute;inset:0 0 auto;height:400px;background:radial-gradient(ellipse at 90% 0,#d9eeeb,transparent 60%);pointer-events:none}body.reader main{position:relative;max-width:1280px;margin:auto;padding:24px 38px 70px;background:transparent}a{color:var(--deep);text-underline-offset:4px}button,a,textarea{touch-action:manipulation}button{font:inherit}button,a.button{cursor:pointer;min-height:44px;border:1px solid #b8d4d2;border-radius:12px;background:white;color:var(--ink);padding:10px 16px;text-decoration:none;transition:background .15s,box-shadow .15s}button:hover,a.button:hover{background:#edf7f5;box-shadow:0 3px 12px #153c4010}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--red);outline-offset:3px}button:disabled{opacity:.36;cursor:default;box-shadow:none}img{max-width:100%;height:auto}b,strong{font-weight:inherit}[hidden]{display:none!important}
.guide-topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:28px}.guide-brand{font-size:14px;font-weight:700;letter-spacing:.03em;text-decoration:none;display:flex;gap:10px;align-items:center}.guide-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:10px;background:var(--teal);color:white;font-size:17px}.guide-topbar .toplinks{display:flex;gap:20px;align-items:center;font-size:13px;flex-wrap:wrap}.guide-topbar .toplinks a{text-decoration:none}
.guide-hero{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:38px;padding:20px 0 34px}.guide-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--deep);font-size:13px;letter-spacing:.04em;margin:0 0 14px}.guide-eyebrow span{background:#dfefeb;padding:3px 11px;border-radius:100px}.guide-hero h1{font-size:clamp(26px,3.1vw,39px);font-weight:700;line-height:1.5;letter-spacing:.015em;margin:0 0 16px}.guide-hero .hero-lead{font-size:15px;color:var(--muted);margin:0;max-width:570px}.hero-art{position:relative;transform:rotate(1deg);padding:10px;background:white;border-radius:19px;box-shadow:0 17px 45px #19474414;border:1px solid #fff}.hero-art img{display:block;width:100%;border-radius:11px;aspect-ratio:5/2;object-fit:contain}.hero-features{display:flex;gap:8px;flex-wrap:wrap;margin:17px 0 0;padding:0;list-style:none}.hero-features li{font-size:12px;color:var(--deep);background:#fff;border:1px solid var(--line);padding:4px 10px;border-radius:100px}.hero-features li::before{content:"✓";margin-right:6px;color:var(--teal)}
.reader .flowtabs{display:flex;gap:8px;flex-wrap:wrap;padding:8px;background:#e5efec;border:1px solid #d9e6e1;border-radius:17px;margin:0 0 20px}.flowtabs button{flex:1;min-width:160px;border:0;background:transparent;font-size:14px;line-height:1.6;margin:0;padding:12px 14px}.flowtabs button[aria-selected=true]{color:var(--deep);background:white;box-shadow:0 3px 14px #17474110}.reader .condition{font-size:14px;background:#fff9e9;border:1px solid #e9e1c9;border-left:4px solid #c49945;border-radius:12px;padding:14px 18px;margin:22px 0}.reader .workflow{margin:0}
.reader-controls{position:sticky;top:12px;z-index:15;display:grid;grid-template-columns:1fr auto auto auto;gap:10px;align-items:center;background:#ffffffed;backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:16px;padding:10px 14px 13px;box-shadow:0 7px 24px #163c400b;margin:14px 0 24px}.reader-controls button{font-size:14px;margin:0;line-height:1.5}.reader-controls .reader-mode{justify-self:start;background:#f0f6f3;border-color:transparent}.reader-controls .reader-next{background:var(--teal);color:#fff;border-color:var(--teal)}.reader-controls .reader-next:hover{background:var(--deep)}.reader-count{font-size:14px;white-space:nowrap;min-width:64px;text-align:center;font-variant-numeric:tabular-nums}.reader-progress{grid-column:1/-1;height:3px;overflow:hidden;background:#e4eeeb;border-radius:10px}.reader-progress span{display:block;width:100%;height:100%;transform-origin:left;background:var(--teal);transition:transform .2s}
.reader .stepindex{padding:0 0 6px;border:0;background:transparent;margin:12px 0 26px}.stepindex summary{font-size:14px;color:var(--deep);padding:10px 2px;cursor:pointer}.reader .stepnav{display:flex;gap:8px;flex-wrap:wrap;padding:10px 0}.stepnav a{font-size:13px;border:1px solid var(--line);border-radius:10px;padding:5px 11px;text-decoration:none;background:white}
.reader .step{margin:26px 0 36px;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:white;box-shadow:0 10px 32px #17474106;overflow:hidden;scroll-margin-top:126px}.reader .step>h2{display:flex;align-items:center;gap:16px;border:0;margin:0;padding:23px 27px;font-size:23px;line-height:1.6;background:linear-gradient(110deg,#f4faf7,#fff);font-weight:700}.step-number{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:0 0 51px;height:55px;font-size:23px;color:var(--teal);background:#e5f2ee;border-radius:13px;line-height:1.2;font-variant-numeric:tabular-nums}.step-number small{display:block;font-size:9px;letter-spacing:.1em;margin-bottom:4px}.step-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.9fr);gap:0}.step-visual{padding:26px;background:#f5f8f6;min-width:0;border-top:1px solid #e8efec}.step-details{padding:22px 27px 26px;min-width:0;border-top:1px solid #e8efec}.reader figure{margin:0;border:0;background:transparent;padding:0}.step figure+figure{margin-top:20px}.reader .step figure img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;border-radius:9px;cursor:zoom-in;background:white;box-shadow:0 3px 13px #193c4009}.reader .picture{position:relative}.reader figcaption{font-size:12px;line-height:1.7;color:var(--muted);margin-top:11px}.reader .red{position:absolute;border:3px solid #df2638;pointer-events:none}.step-details p{margin:10px 0 18px;overflow-wrap:anywhere}.reader .step h3{font-size:13px;letter-spacing:.035em;font-weight:700;margin:16px 0 8px;color:var(--deep)}.reader .step .action{background:#f1f7f4;border-radius:13px;padding:15px 17px;margin:0 0 17px;line-height:1.9}.reader a.action{display:inline-flex;align-items:center;min-height:44px;border:1px solid #a9d2cc;background:#edf7f3;font-size:14px;text-decoration:none;padding:10px 14px}.reader .check{background:#eef8f2;border:1px solid #d2e8d9;border-left:4px solid #559b72;border-radius:13px;padding:14px 17px;margin:20px 0 0}.reader .check h3{margin:0 0 6px;color:#286549}.reader .check h3::before{content:"✓";margin-right:7px}.reader .check p{margin:0;font-size:14px;line-height:1.9}
.reader .copy,.reader .inputbox{padding:15px;background:#f3f7f5;border:1px solid #dce7e0;border-radius:14px;margin:18px 0}.copy label,.inputbox>label{font-size:13px;font-weight:600;display:block;margin:0 0 9px;color:var(--deep)}.reader textarea{display:block;width:100%;min-height:100px;max-height:400px;resize:vertical;border:1px solid #d3e0d9;border-radius:10px;background:white;color:#253d3c;font:400 15px/1.9 "Yu Gothic UI",Meiryo,sans-serif;padding:12px;overflow-wrap:anywhere}.reader .copyrow{display:flex;gap:7px;flex-wrap:wrap;margin:9px 0 0}.copy button,.inputbox button{min-height:40px;font-size:12px;line-height:1.5;padding:8px 11px;margin:8px 4px 0 0}.copy button[data-copy],.inputbox button[data-copy]{background:var(--teal);border-color:var(--teal);color:white}.reader .copy [role=status]{display:block;font-size:12px;line-height:1.7;color:var(--deep);margin-top:5px}.reader .panel{padding:24px;background:white;border:1px solid var(--line);border-radius:20px;margin:24px 0}.reader .panel h2{font-size:21px;margin:0 0 18px;border:0;padding:0}.reader .footer,.reader footer{margin:38px 0 0;padding:22px 0 0;border-top:1px solid #d9e4df;color:var(--muted);font-size:12px;line-height:1.9}.reader footer p{margin:9px 0}.reader footer nav{display:flex;flex-wrap:wrap;gap:16px;padding:7px 0}.reader footer nav a{font-size:12px;border:0;background:transparent;padding:0}
.reader-toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:80;background:#174b4b;color:white;border-radius:12px;box-shadow:0 8px 28px #10353530;padding:11px 20px;font-size:14px;max-width:90vw}.reader #readerZoom{width:95vw;max-width:1550px;height:93vh;padding:15px;border:1px solid #d7e1dc;border-radius:19px;background:#fff}.reader #readerZoom::backdrop{background:#123332b8;backdrop-filter:blur(3px)}.zoom-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:0 0 12px}.zoom-toolbar span{flex:1;font-size:13px;color:var(--muted)}.zoom-toolbar button{font-size:13px;min-height:40px;padding:8px 12px}.zoom-stage{height:calc(100% - 60px);overflow:auto;display:grid;place-items:center;background:#f3f6f3;border-radius:10px;padding:16px}.zoom-stage>.picture{width:100%;max-width:1300px}.zoom-stage img{display:block;max-width:100%;max-height:78vh;width:auto;height:auto;margin:auto;object-fit:contain}.zoom-stage .picture img{width:100%;height:auto;max-height:none}.original .zoom-stage{display:block}.original .zoom-stage>.picture{width:max-content;max-width:none}.original .zoom-stage img{width:auto;max-width:none;max-height:none}.reader .utility-panel{background:#edf7f3;border-radius:15px;padding:18px;margin:22px 0}.reader video{display:block;max-width:100%;background:#edf2ef;border-radius:12px;margin:18px auto}.reader .grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.reader .muted{font-size:13px;color:var(--muted)}
.reader.is-slides .guide-hero{padding-top:5px;padding-bottom:18px;gap:28px}.reader.is-slides .guide-hero h1{font-size:29px}.reader.is-slides .hero-art{max-width:370px;justify-self:end}.reader.is-slides .hero-features{display:none}.reader.is-slides .guide-topbar{margin-bottom:12px}.reader.is-slides .step-visual{display:flex;align-items:center;justify-content:center}.reader.is-slides .step figure{width:100%}
.guide-hub .guide-hero{grid-template-columns:1fr;max-width:850px}.guide-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.guide-card{display:block;text-decoration:none;background:white;border:1px solid var(--line);border-radius:20px;padding:12px;color:var(--ink);overflow:hidden;transition:transform .15s,box-shadow .15s}.guide-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px #173c4012}.guide-card img{display:block;width:100%;aspect-ratio:5/2;object-fit:contain;border-radius:11px}.guide-card small{display:block;color:var(--teal);font-size:12px;margin:16px 8px 8px}.guide-card h2{font-size:17px;line-height:1.7;margin:0 8px 12px;font-weight:600;border:0;padding:0}.guide-card p{font-size:13px;color:var(--muted);margin:0 8px 14px}
@media(max-width:1000px){.reader main{padding:20px 22px 60px}.guide-hero{gap:24px}.step-layout{grid-template-columns:minmax(0,1.1fr) minmax(260px,1fr)}.step-visual{padding:20px}.step-details{padding:18px 22px}.guide-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){html{scroll-padding-top:170px}.reader main{padding:15px 15px 50px}.guide-topbar{align-items:start;margin-bottom:18px}.guide-topbar .toplinks{gap:9px;justify-content:flex-end;font-size:11px}.guide-brand{font-size:11px;white-space:nowrap;gap:6px}.guide-mark{width:27px;height:27px;border-radius:8px;font-size:14px}.guide-hero{grid-template-columns:1fr;gap:20px;padding:12px 0 25px}.guide-hero h1{font-size:27px;margin-bottom:12px}.hero-art{transform:none;width:100%;padding:7px;border-radius:15px}.guide-hero .hero-lead{font-size:14px}.hero-features{gap:5px;margin-top:13px}.hero-features li{font-size:11px;padding:3px 8px}.reader .flowtabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:5px;padding:5px;border-radius:13px}.flowtabs button{min-width:0;font-size:12px;padding:10px 5px}.reader-controls{top:5px;padding:8px 9px 11px;gap:7px;border-radius:14px;grid-template-columns:1fr auto 1fr}.reader-controls .reader-mode{grid-column:1/-1;width:100%;justify-self:stretch;font-size:12px;padding:7px 10px;min-height:36px}.reader-controls .reader-prev{grid-column:1}.reader-count{grid-column:2;grid-row:2}.reader-controls .reader-next{grid-column:3;grid-row:2}.reader-controls button{font-size:12px;min-height:41px;padding:9px}.reader-count{font-size:12px}.reader-progress{grid-row:3}.reader .step{margin:20px 0 26px;border-radius:18px;scroll-margin-top:155px}.reader .step>h2{padding:17px 16px;font-size:19px;gap:12px}.step-number{flex-basis:43px;height:48px;font-size:21px;border-radius:10px}.step-layout{display:block}.step-visual{padding:17px;border-bottom:1px solid var(--line)}.step-details{padding:16px 18px 21px;border-top:0}.reader .step h3{font-size:13px}.reader .step p{font-size:15px}.reader textarea{font-size:16px;min-height:110px}.reader .check p{font-size:14px}.reader .panel{padding:18px}.reader .grid{grid-template-columns:1fr}.reader.is-slides .guide-hero{grid-template-columns:1fr}.reader.is-slides .hero-art{display:none}.reader.is-slides .guide-hero h1{font-size:25px}.reader.is-slides .hero-lead{font-size:13px}.reader.is-slides .guide-hero{padding-bottom:13px}.zoom-stage{padding:7px;height:calc(100% - 104px)}.zoom-toolbar{gap:5px}.zoom-toolbar span{flex:0 0 100%}.zoom-toolbar button{font-size:12px;padding:7px}.guide-card-grid{grid-template-columns:1fr}.reader .condition{font-size:13px;padding:12px 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.reader-controls .reader-mode{color:var(--ink)}.reader .image-open{font-size:12px;min-height:37px;margin:10px 0 0;padding:7px 12px;background:#fff;border-color:#b9d3cc;color:var(--deep)}