@charset "UTF-8";
:root{--ink:#173f3d;--muted:#536560;--paper:#f8f6ef;--line:#d9dfd7;--gold:#8a611f;--pale:#e8eeea;--white:#fffdf8}*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:.25em}a:focus-visible{outline:3px solid var(--gold);outline-offset:6px}h1,h2,h3,p{margin-top:0}h1,h2{font-family:"Hiragino Mincho ProN","Yu Mincho",serif;font-weight:600;line-height:1.45;letter-spacing:.055em}h3{line-height:1.6}p{margin-bottom:1.1em}.wrap{width:min(1152px,calc(100% - 88px));margin-inline:auto}.skip{position:absolute;left:16px;top:-100px;background:var(--ink);color:white;padding:10px 20px;z-index:10}.skip:focus{top:10px}.site-header{display:flex;align-items:center;justify-content:space-between;min-height:108px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:22px;font-weight:700;letter-spacing:.04em}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.12em}.brand-mark{font-family:Georgia,serif;font-size:23px;border:1px solid var(--ink);width:44px;height:44px;display:grid;place-items:center;border-radius:50%}.site-header nav{display:flex;gap:28px;font-size:13px}.site-header nav a{text-decoration:none;padding:10px 0}.site-header nav a:hover{text-decoration:underline}.hero{display:grid;grid-template-columns:1.04fr 1fr;gap:34px;align-items:center;padding-block:72px 78px}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:600;margin-bottom:20px}.hero h1{font-size:clamp(45px,5.2vw,68px);margin-bottom:23px;line-height:1.35}.accent{position:relative;white-space:nowrap}.accent:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:3px;background:var(--gold);transform:rotate(-3deg)}.hero-lead{font-size:18px;font-weight:600;line-height:1.95}.hero-detail{font-size:14px;color:var(--muted)}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:30px}.button{display:inline-flex;gap:27px;align-items:center;justify-content:center;background:var(--ink);color:var(--white);padding:14px 22px;min-height:52px;text-decoration:none;font-size:14px;font-weight:600;border:1px solid var(--ink);transition:background .15s}.button:hover{background:#285c55}.text-link{font-size:12px;padding-block:12px}.byline{font-size:11px;color:var(--muted);margin-top:20px;margin-bottom:0}.learning-scene{position:relative;min-height:460px;border-radius:48% 48% 16px 16px;background:#e5ebe5;padding:48px 40px 35px}.scene-label{font-size:9px;letter-spacing:.21em;text-align:center;color:var(--muted);margin-bottom:23px}.paper{background:var(--white);width:72%;padding:24px 23px 17px;border:1px solid #cbd4cb;box-shadow:0 12px 30px #173f3d0d;transform:rotate(-5deg)}.paper-top{display:flex;justify-content:space-between;font-size:13px;font-weight:600;border-bottom:1px solid var(--line);padding-bottom:15px}.paper-number{font-family:Georgia,serif;color:var(--gold)}.paper-lines{display:grid;gap:10px;padding-block:24px 18px}.paper-lines i{height:2px;background:#d7ded5;display:block}.paper-lines i:nth-child(2){width:83%}.paper-lines.short{padding-block:17px}.paper-lines.short i:last-child{width:66%}.annotation{font-size:12px;color:var(--gold);border-left:3px solid var(--gold);padding-left:10px;font-weight:600}.paper-footer{font-size:9px;border-top:1px solid var(--line);padding-top:12px}.insight{position:absolute;right:22px;bottom:90px;width:57%;padding:23px 25px;background:var(--ink);color:var(--white);box-shadow:0 12px 24px #173f3d14;transform:rotate(3deg)}.insight-label{font-size:10px;letter-spacing:.09em;display:block;margin-bottom:9px;color:#d8e1d8}.insight strong{font-family:"Yu Mincho",serif;font-size:18px;line-height:1.7}.insight-rule{display:block;width:28px;height:2px;background:#cfad67;margin:15px 0}.insight>span:last-child{font-size:11px}.next-step{position:absolute;bottom:30px;left:0;right:0;text-align:center;font-size:13px;font-weight:600}.next-step>span{font-size:22px;color:var(--gold);margin-right:10px}.intro-band{border-block:1px solid var(--line);background:#ecefe7}.intro-inner{display:flex;align-items:center;justify-content:space-between;padding-block:29px;gap:24px}.intro-inner p{margin:0}.intro-inner>p:last-child{font-size:20px;letter-spacing:.025em}.section{padding-block:90px}.section-heading h2{font-size:36px;margin-bottom:22px}.section-heading>p:last-child,.article-heading>p{font-size:14px;color:var(--muted)}.practice-list{margin-top:43px}.practice-row{display:grid;grid-template-columns:65px 1fr 106px;gap:20px;padding:30px 0;border-top:1px solid var(--line);align-items:start}.practice-number{font-family:Georgia,serif;font-size:31px;color:var(--gold);line-height:1.5}.practice-row h3{font-size:20px;margin-bottom:9px}.practice-row p{font-size:14px;color:var(--muted);max-width:710px;margin:0}.practice-tag{border:1px solid #bdc9be;font-size:11px;text-align:center;padding:7px 12px;border-radius:40px;margin-top:7px}.flow-panel{margin-top:26px;border:1px solid #c6d1c7;padding:29px 32px 23px;background:var(--white)}.flow-panel .eyebrow{margin-bottom:21px}.flow{padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);list-style:none;gap:23px}.flow li{border-left:1px solid var(--line);padding-left:18px}.flow li:first-child{border-left:0;padding-left:0}.flow span{display:block;color:var(--gold);font:16px Georgia,serif;margin-bottom:8px}.flow strong{font-size:14px;display:block}.flow small{font-size:11px;color:var(--muted);display:block;margin-top:4px}.note{font-size:11px;color:var(--muted);margin:25px 0 0}.articles-section{background:#e9ede6;border-block:1px solid var(--line)}.article-heading{display:flex;gap:32px;align-items:flex-end;justify-content:space-between;margin-bottom:35px}.article-heading h2{margin-bottom:0}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:23px}.article-card{background:var(--white);text-decoration:none;display:flex;flex-direction:column;border:1px solid #cbd5ca;transition:border-color .15s}.article-card:hover{border-color:var(--ink)}.article-art{height:206px;position:relative;padding:29px 25px;display:flex;justify-content:center;align-items:center;overflow:hidden}.dashboard-art{background:#d7e3da}.mini-screen{width:100%;border:2px solid var(--ink);border-radius:6px;padding:15px 13px;background:var(--white);transform:rotate(-3deg)}.screen-title{font-size:11px;font-weight:600}.screen-content{display:flex;gap:7px;margin-top:14px}.screen-block{flex:1;background:#e8ede6;padding:9px 6px}.screen-block b{font-size:8px;display:block;white-space:nowrap}.screen-block i{display:block;height:3px;background:#bacfc2;margin-top:8px}.screen-block i:last-child{width:65%}.dialogue-art{background:#ebe1cc;display:block;padding-top:25px}.bubble{font-size:12px;background:var(--white);padding:10px 16px;border-radius:12px 12px 12px 0;width:76%;border:1px solid #c9bda0}.bubble-two{margin:10px 0 0 auto;background:var(--ink);color:white;border-color:var(--ink);border-radius:12px 12px 0 12px}.dialogue-caption{font-size:9px;display:block;text-align:center;margin-top:12px}.pipeline-art{background:#dce7e8;flex-direction:column;gap:21px}.pipeline-icons{display:flex;gap:10px;align-items:center;width:100%;justify-content:center}.pipeline-icons span{border:1px solid #9db8b4;background:var(--white);font-size:12px;padding:13px 12px;border-radius:50%}.pipeline-icons b{font-size:14px;font-weight:400}.pipeline-output{border-bottom:1px solid var(--ink);padding-bottom:7px;font-size:13px}.article-body{padding:24px;display:flex;flex-direction:column;flex:1}.article-question{font-size:11px;color:var(--gold);font-weight:600;margin-bottom:12px}.article-body h3{font-size:20px;margin-bottom:13px}.article-body>p:not(.article-question){font-size:13px;color:var(--muted);margin-bottom:25px}.article-link{margin-top:auto;font-size:12px;font-weight:600;display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px}.about{display:grid;grid-template-columns:1fr 1fr;gap:65px}.about h2{font-size:33px}.about-copy{padding-top:7px;color:var(--muted);font-size:14px}.about-copy p:last-child{margin-bottom:0}.closing{background:var(--ink);color:var(--white);text-align:center;padding-block:66px 57px}.closing h2{font-size:32px;line-height:1.65;margin-bottom:28px}.closing .eyebrow{color:#d8e1d8}.button-light{background:var(--white);color:var(--ink);border-color:var(--white)}.button-light:hover{background:#e1e8db}.closing p:last-child{font-size:12px;margin:24px 0 0;color:#d8e1d8}.site-footer{display:flex;justify-content:space-between;gap:20px;padding-block:27px;font-size:12px}.site-footer small{font-size:10px;margin-left:15px;color:var(--muted)}.mobile-break{display:none}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.hero{gap:20px}.learning-scene{padding-inline:27px}.hero h1{font-size:54px}.hero-lead{font-size:16px}.hero-detail{font-size:13px}.paper{width:83%}.insight{width:64%}.article-grid{gap:15px}.article-art{padding-inline:15px}.article-body{padding:20px}.article-body h3{font-size:18px}.article-question{font-size:10px}.pipeline-icons{gap:6px}.pipeline-icons span{padding:12px 10px}}
@media(max-width:720px){.wrap{width:calc(100% - 40px)}.site-header{min-height:85px;gap:14px}.brand{font-size:18px;gap:8px}.brand-mark{width:36px;height:36px;font-size:20px}.brand small{font-size:8px}.site-header nav{gap:14px;font-size:11px}.hero{display:block;padding-block:40px 43px}.hero .eyebrow{font-size:10px}.hero h1{font-size:55px}.hero-lead{font-size:16px}.hero-detail{font-size:13px}.hero-actions{gap:13px;margin-top:24px}.hero-actions .button{width:100%}.text-link{font-size:13px}.byline{font-size:10px;margin-top:11px}.learning-scene{min-height:395px;max-width:440px;margin:36px auto 0;padding:30px 27px;border-radius:42% 42% 12px 12px}.scene-label{margin-bottom:17px}.paper{width:76%;padding:18px}.paper-lines{padding-block:19px 15px}.insight{bottom:76px;right:16px;width:59%;padding:18px}.insight strong{font-size:16px}.insight-rule{margin:11px 0}.next-step{bottom:23px;font-size:12px}.intro-inner{display:block;padding-block:25px}.intro-inner .eyebrow{margin-bottom:9px;font-size:10px}.intro-inner>p:last-child{font-size:18px}.section{padding-block:52px}.section-heading h2{font-size:29px}.section-heading .eyebrow{font-size:10px;margin-bottom:14px}.section-heading>p:last-child,.article-heading>p{font-size:13px}.practice-list{margin-top:30px}.practice-row{grid-template-columns:34px 1fr;gap:12px;padding-block:24px}.practice-number{font-size:24px}.practice-row h3{font-size:17px}.practice-row p{font-size:13px}.practice-tag{grid-column:2;justify-self:start;margin-top:0;padding:3px 12px}.flow-panel{padding:22px 20px}.flow{grid-template-columns:1fr 1fr;gap:24px 13px}.flow li:nth-child(3){border-left:0;padding-left:0}.flow strong{font-size:12px}.flow small{font-size:10px}.note{font-size:10px;line-height:1.85}.article-heading{display:block;margin-bottom:26px}.article-heading>p{margin-top:21px}.article-grid{grid-template-columns:1fr;gap:22px}.article-art{height:194px}.mini-screen{width:240px}.bubble{max-width:235px}.bubble-two{margin-left:auto}.dialogue-art{padding-inline:30px}.pipeline-icons{width:auto;gap:16px}.pipeline-icons span{padding:14px 16px}.article-body{padding:23px}.article-question{font-size:11px}.article-body h3{font-size:22px}.article-body h3 br{display:none}.about{display:block}.about h2{font-size:29px}.about-copy{padding-top:10px;font-size:13px}.closing{padding-block:46px}.closing h2{font-size:23px}.closing .eyebrow{font-size:10px}.closing p:last-child{font-size:11px}.site-footer{display:block;font-size:11px}.site-footer>span{display:block}.site-footer>span:last-child{margin-top:8px}.desktop-break{display:none}.mobile-break{display:block}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* 本文の重なりを避け、狭い画面でも読める模式図 */
.paper .annotation{margin-top:15px;font-size:11px}.paper-lines.short{padding-block:5px}.insight{bottom:75px}.learning-scene{min-height:475px}
@media(max-width:720px){.hero h1{font-size:clamp(38px,13vw,55px)}.learning-scene{min-height:415px}.insight{bottom:65px}.paper .annotation{font-size:10px}.paper-top{font-size:12px;padding-bottom:10px}}
@media(max-width:380px){.site-header nav{flex-direction:column;gap:0;font-size:10px}.site-header nav a{padding-block:4px}.brand small{font-size:7px}.learning-scene{padding-inline:20px}.paper{padding:15px;width:85%}.insight{width:67%;padding:15px}.insight strong{font-size:15px}.flow-panel{padding-inline:15px}}

.closing a:focus-visible{outline-color:#e7c678}