:root{--paper:#f5f3ed;--surface:#fffefa;--ink:#203b34;--muted:#606e66;--line:#d8ddd3;--tint:#e9eee5;--gold:#a36d35;--dark:#163f36;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Hiragino Kaku Gothic ProN','Yu Gothic',Meiryo,sans-serif;line-height:1.85;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}button{cursor:pointer}p,h1,h2,h3,figure{margin:0}h1,h2,h3{font-weight:600}.wrap{width:min(1160px,calc(100% - 80px));margin:auto}.skip{position:absolute;top:-100px;z-index:100;background:var(--surface);padding:15px}.skip:focus{top:0}header{background:var(--paper);border-bottom:1px solid var(--line)}header>.wrap{min-height:92px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:20px;letter-spacing:.04em}.brand-mark{background:var(--dark);color:#fff;width:34px;height:38px;display:grid;place-items:center;font-family:serif}.edition{font-size:9px;letter-spacing:.14em;border-left:1px solid var(--line);padding-left:12px;max-width:100px;line-height:1.4}nav{font-size:12px;font-weight:600}nav a:hover{color:var(--gold)}#theme{background:none;border:1px solid var(--line);color:var(--ink);border-radius:50%;width:38px;height:38px;font-size:21px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;padding-top:62px;padding-bottom:64px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:700;color:var(--gold);margin-bottom:28px}.eyebrow span{color:var(--muted);margin-left:24px}.tag{font-size:13px;letter-spacing:.1em;margin-bottom:22px}h1{font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-size:clamp(34px,4.1vw,55px);line-height:1.5;letter-spacing:.025em;white-space:nowrap}.accent{color:var(--gold)}.lead{font-size:14px;line-height:2.1;color:var(--muted);margin:24px 0 30px;max-width:500px}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;padding:15px 20px;font-size:12px;font-weight:600;border:1px solid var(--dark);border-radius:3px;min-height:50px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--dark);color:#fff}.secondary{color:var(--ink);background:transparent;border-color:var(--line)}.hero-note{font-size:10px;color:var(--muted);margin-top:20px;max-width:470px}.portrait{background:#e1e7df;position:relative;box-shadow:15px 15px 0 var(--tint)}.portrait-top{display:flex;justify-content:space-between;padding:15px 20px;font-size:9px;letter-spacing:.18em;background:var(--dark);color:#e1e7df}.portrait img{display:block;width:100%;height:330px;object-fit:cover;object-position:center 30%}.portrait figcaption{background:var(--surface);padding:22px 26px;display:flex;align-items:flex-end;gap:10px;justify-content:space-between}.caption-label{font-size:10px;color:var(--muted)}.portrait h2{font-size:25px;letter-spacing:.1em;margin:5px 0}.portrait h2 span{display:block;font:10px Arial;letter-spacing:.16em;margin-top:4px}.portrait p{font-size:11px;margin-top:12px}.portrait-source{font-size:9px;text-decoration:underline;max-width:85px}.status-strip{border-block:1px solid var(--line);padding:17px 0;font-size:10px;color:var(--muted)}.status-strip i{display:inline-block;background:var(--gold);width:6px;height:6px;border-radius:50%;margin-right:9px}.section{padding-top:90px;padding-bottom:90px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:95px}.section-title{font-family:'Yu Mincho','Hiragino Mincho 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p{font-size:12px;color:var(--muted);margin-top:6px}.learning{background:var(--tint)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px;margin-bottom:35px}.section-heading .section-title{margin-bottom:0}.section-heading>p{font-size:12px;color:var(--muted);max-width:440px;line-height:2}.lesson{background:var(--surface);border-top:2px solid var(--gold);padding:28px;position:relative;display:flex;flex-direction:column}.lesson-number{font-family:Georgia,serif;font-size:48px;color:var(--gold);line-height:1}.lesson-category{font-size:9px;letter-spacing:.16em;margin:15px 0 25px;color:var(--muted)}.lesson h3{font-size:21px;line-height:1.7}.lesson>p{font-size:12px;line-height:2;color:var(--muted);margin:20px 0 26px}.lesson-footer{border-top:1px solid var(--line);padding-top:18px;font-size:9px;color:var(--muted);margin-top:auto}.lesson-footer strong{display:block;font-size:11px;color:var(--ink);margin-top:6px}.nisa-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:var(--surface)}.nisa-grid article{padding:30px;border-right:1px solid var(--line)}.nisa-grid article:last-child{border:0}.nisa-grid p{font-size:12px}.nisa-grid strong{font-family:Georgia,serif;font-size:56px;display:block;line-height:1.5;font-weight:400;margin:12px 0}.nisa-grid small{font:14px Arial;margin-left:8px}.nisa-grid .unlimited{font-family:'Yu Mincho',serif;font-size:43px;line-height:1.95}.nisa-grid span{font-size:11px;color:var(--muted)}.check-section{background:var(--tint);border-block:1px solid var(--line)}.checklist-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.check-progress{color:var(--gold);font-size:12px;margin:22px 0 18px}.checks label{display:flex;gap:18px;align-items:flex-start;border-bottom:1px solid var(--line);padding:18px 0;cursor:pointer}.checks label:first-child{padding-top:0}.checks input{width:20px;height:20px;flex-shrink:0;margin-top:4px;accent-color:var(--dark)}.checks strong{display:block;font-size:13px}.checks small{font-size:11px;color:var(--muted)}.faq{max-width:900px}.faq details{border-bottom:1px solid var(--line);padding:22px 0}.faq summary{font-size:14px;cursor:pointer}.faq details p{font-size:12px;color:var(--muted);padding-top:15px;max-width:720px}.sources{border-top:1px solid var(--line);padding:30px 0 45px}.sources h2{font-size:13px}.sources ol{padding-left:18px;font-size:11px;line-height:2.2}.sources a{text-decoration:underline;text-underline-offset:3px}.sources p{font-size:10px;color:var(--muted)}footer{background:var(--dark);color:#e7eee9;padding:40px 0}footer .brand{font-size:19px;margin-bottom:18px}footer p{font-size:10px;color:#c3d4cc;max-width:920px;margin-top:12px}.dark{--paper:#14231f;--surface:#1c3029;--ink:#e8eee6;--muted:#b2c1b7;--line:#3b5146;--tint:#22392f;--gold:#d5aa72;color-scheme:dark}.dark .secondary{color:var(--ink)}.dark .primary{background:#315c49}.dark .portrait-top{background:#0d2018}.dark .brand-mark{background:#456b57}
@media(max-width:1000px){.hero{gap:35px}.wrap{width:calc(100% - 48px)}.profile-grid{gap:45px}.checklist-grid{gap:40px}.edition{display:none}.hero-copy .button{padding:13px}.lesson{padding:22px}.section-heading>p{max-width:350px}}
@media(max-width:700px){.wrap{width:calc(100% - 40px)}header>.wrap{min-height:72px}.brand{font-size:17px}nav a{display:none}nav{gap:0}.hero{grid-template-columns:1fr;padding:35px 0 45px;gap:35px}.eyebrow{font-size:9px;margin-bottom:20px}.eyebrow span{margin-left:12px}.tag{font-size:11px;margin-bottom:15px}h1{font-size:clamp(30px,8vw,45px);line-height:1.55}.lead{font-size:13px}.hero-note{font-size:10px}.portrait{max-width:480px;width:100%;margin:auto;box-shadow:8px 8px 0 var(--tint)}.portrait img{height:auto;aspect-ratio:1.25;object-position:50% 28%}.portrait figcaption{padding:20px}.status-strip{font-size:9px}.section{padding-top:55px;padding-bottom:55px}.profile-grid,.checklist-grid{grid-template-columns:1fr;gap:35px}.section-title{font-size:29px}.section-heading{display:block}.section-heading>p{margin-top:20px}.lesson h3 br{display:none}.lesson{padding:25px}.lesson-category{position:absolute;top:40px;right:25px;margin:0}.lesson h3{margin-top:20px}.lesson>p{margin:14px 0 20px}.nisa-grid{grid-template-columns:1fr}.nisa-grid article{border-right:0;border-bottom:1px solid var(--line);padding:25px}.nisa-grid strong{font-size:48px;margin:6px 0}.nisa-grid .unlimited{font-size:36px}.checks strong{font-size:12px}.button{gap:10px}.timeline li{gap:10px}.faq summary{font-size:13px}.sources a{overflow-wrap:anywhere}}
body{padding-bottom:calc(150px + env(safe-area-inset-bottom,0px))}.line-cta.wrap{position:fixed;z-index:50;bottom:0;left:0;width:100%;margin:0;text-align:center;padding:12px 20px calc(12px + env(safe-area-inset-bottom,0px));background:var(--paper);border-top:1px solid var(--line);box-shadow:0 -4px 20px #00000008}.line-button{background:#067c39;color:#fff;border:0;border-radius:8px;padding:18px 28px;min-height:60px;font-size:16px;font-weight:700;line-height:1.7;width:min(100%,560px);box-shadow:0 6px 18px #067c3920}.line-button:hover{background:#05642e}.line-button span{margin-left:14px}#line-status{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.8}#line-status:empty{display:none}@media(max-width:700px){.line-button{font-size:14px;padding:16px 12px}.line-cta.wrap{padding-left:12px;padding-right:12px}.line-button span{margin-left:6px}}@media print{.line-cta.wrap{display:none}body{padding-bottom:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{header,.hero,.status-strip,#profile,#guide,#nisa,.faq,.sources,footer,#print,.hero-note{display:none!important}.check-section{background:white;border:0}.checklist-grid{display:block}.wrap{width:100%}body{background:white;color:#111}.checks{margin-top:30px}.checks small,.body-copy,.fine{color:#333}.check-progress{color:#333}.section{padding:20px}}