/* 시스템 글꼴과 정적 벡터만 사용해 외부 요청과 전송량을 줄인다. */
:root{--bg:#f8f7f1;--panel:#fffefa;--ink:#25392f;--muted:#5c6b60;--line:#dce1d5;--green:#255d4a;--soft:#e8eee1;--warm:#f2b56c;--shadow:0 18px 50px #1e3b2712;color-scheme:light dark;font-family:"Segoe UI","Malgun Gothic","Apple SD Gothic Neo",sans-serif;font-synthesis:none;line-height:1.75;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--green);outline-offset:5px;border-radius:5px}img{max-width:100%;height:auto}p,h1,h2,h3{margin-top:0}p{margin-bottom:1.2em}h1,h2,h3{word-break:keep-all;overflow-wrap:anywhere;line-height:1.38;letter-spacing:-.04em}h1{font-size:clamp(2.35rem,4.5vw,4.4rem);font-weight:760}h2{font-size:clamp(1.8rem,3vw,2.6rem)}h3{font-size:1.25rem}ul,ol{padding-left:1.4em}li+li{margin-top:.5em}a,p,li{overflow-wrap:anywhere}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:16px;top:-100px;background:var(--green);color:white;padding:12px 20px;z-index:20}.skip-link:focus{top:8px}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:104px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1.2;font-size:1.08rem;letter-spacing:-.02em}.brand strong{font-weight:780}.brand small{display:block;margin-top:5px;font-size:.65rem;letter-spacing:.07em;color:var(--muted)}.site-header nav{display:flex;gap:8px;flex-wrap:wrap}.site-header nav a{font-size:.9rem;text-decoration:none;display:flex;align-items:center;min-height:44px;padding:8px 15px;border-radius:99px}.site-header nav a:hover,.site-header nav a[aria-current]{background:var(--soft);color:var(--green)}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:68px;align-items:center;padding-block:78px 68px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.73rem;font-weight:700;color:var(--green);margin-bottom:20px}.status-dot{display:inline-block;width:7px;height:7px;border-radius:100%;background:var(--green);margin-right:8px;vertical-align:middle}.hero h1{margin-bottom:24px}.hero h1 em{font-style:normal;color:var(--green);position:relative}.hero-lead{font-size:1.08rem;color:var(--muted);max-width:31em;word-break:keep-all}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:12px 23px;border-radius:12px;text-decoration:none;font-weight:650;font-size:.93rem;border:1px solid var(--green);background:var(--green);color:#fffefa;transition:transform .15s,box-shadow .15s}.button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #203c2420}.button.secondary{background:transparent;color:var(--green);border-color:var(--line)}.fine{font-size:.8rem;color:var(--muted)}.hero .fine{margin:18px 0 0}.hero-art{padding:34px 24px 24px;background:var(--soft);border-radius:38px;position:relative}.day-card{background:var(--panel);border:1px solid var(--line);padding:28px;border-radius:22px;box-shadow:var(--shadow);transform:rotate(-2deg)}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.small-label{font-size:.7rem;letter-spacing:.16em;color:var(--muted);font-weight:700}.day-card h2{font-size:1.65rem;margin:2px 0 18px}.sun{width:38px;height:38px;border-radius:50%;background:var(--warm);color:#543a1c;display:grid;place-items:center;font-size:1.5rem}.focus-count{font-size:.77rem;border-top:1px solid var(--line);padding-top:14px;margin:0 0 8px;color:var(--muted)}.mock-task{display:flex;align-items:flex-start;gap:13px;padding:17px 0;border-bottom:1px solid var(--line)}.mock-task:last-of-type{border-bottom:0}.mock-task strong{font-size:.93rem;font-weight:650}.mock-task small{display:block;color:var(--muted);font-size:.73rem;margin-top:3px}.check{flex-shrink:0;width:22px;height:22px;margin-top:3px;border:1.5px solid #9aa99c;border-radius:7px}.check.done{background:var(--green);border-color:var(--green);color:white;text-align:center;font-size:.85rem;line-height:20px}.mock-task.done strong{text-decoration:line-through;color:var(--muted)}.gentle-note{position:relative;margin:23px 0 4px 32px;padding:15px 18px;background:#f7d5aa;color:#553a22;border-radius:14px;transform:rotate(2deg);font-size:.84rem;font-weight:550}.example-caption{font-size:.69rem;color:var(--muted);margin:15px 0 0;text-align:center}.principle-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:25px;gap:20px}.principle-strip div{display:flex;gap:14px;align-items:center}.principle-strip b{font-size:.75rem;color:var(--green)}.principle-strip span{font-size:.87rem;font-weight:600}.section{padding-block:74px}.section-intro{display:flex;justify-content:space-between;align-items:end;gap:36px;margin-bottom:32px}.section-intro h2{margin:0;max-width:15em}.section-intro p{color:var(--muted);font-size:.93rem;max-width:23em;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.feature{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column}.feature .number{color:var(--green);font-size:.77rem;letter-spacing:.1em;margin-bottom:35px}.feature h3{margin-bottom:14px}.feature p{color:var(--muted);font-size:.9rem;margin:0}.feature .tag{display:inline-flex;align-self:flex-start;margin-top:24px;padding:5px 10px;border:1px solid var(--line);border-radius:7px;font-size:.73rem}.extras{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;padding:38px 42px;background:var(--soft);border-radius:24px;margin-top:24px;align-items:center}.extras h3{font-size:1.5rem;margin-bottom:8px}.extras p{font-size:.88rem;color:var(--muted);margin:0}.pills{display:flex;flex-wrap:wrap;gap:10px}.pill{font-size:.85rem;padding:10px 16px;border:1px solid #b8cbb8;border-radius:100px}.section.alt{background:var(--panel);border-block:1px solid var(--line)}.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.split h2{margin-bottom:18px}.split>div>p{color:var(--muted);max-width:24em}.faq{border-bottom:1px solid var(--line);padding:20px 0}.faq:first-child{border-top:1px solid var(--line)}summary{cursor:pointer;font-weight:650;min-height:44px;align-content:center;list-style-position:outside;margin-left:20px;padding-left:6px}.faq p{font-size:.91rem;color:var(--muted);margin:12px 0 0 26px}.closing{text-align:center;padding:64px 24px}.closing h2{margin-bottom:12px}.closing p{color:var(--muted)}.closing .actions{justify-content:center}.site-footer{background:var(--soft);border-top:1px solid var(--line)}.footer-top{padding-block:40px;display:flex;justify-content:space-between;gap:38px}.footer-brand{text-decoration:none;font-weight:750;font-size:1.3rem;letter-spacing:-.03em}.brand-dot{color:var(--green)}.footer-top p{font-size:.84rem;color:var(--muted);margin:5px 0 0}.footer-top nav{display:flex;gap:8px 24px;flex-wrap:wrap;justify-content:flex-end;max-width:440px;align-content:center}.footer-top nav a{font-size:.8rem;text-decoration:none;min-height:44px;display:flex;align-items:center}.footer-top nav a:hover{text-decoration:underline}.footer-bottom{padding-block:20px;border-top:1px solid #cbd6c6;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.72rem;color:var(--muted)}.page-head{padding:60px 0 38px;max-width:800px}.page-head h1{font-size:clamp(2.1rem,4vw,3.2rem);margin-bottom:18px}.page-head p{color:var(--muted);max-width:44em}.breadcrumb{font-size:.8rem;color:var(--muted);margin-bottom:24px}.content-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:60px;padding-bottom:72px}.toc{align-self:start;position:sticky;top:24px;background:var(--soft);border-radius:16px;padding:20px;font-size:.85rem}.toc strong{display:block;margin-bottom:12px}.toc a{display:block;padding:9px 0;text-decoration:none}.toc a:hover{text-decoration:underline}.article{min-width:0}.article section{padding-bottom:30px;margin-bottom:32px;border-bottom:1px solid var(--line);scroll-margin-top:24px}.article h2{font-size:1.55rem;margin:0 0 18px}.article h3{font-size:1.08rem;margin-top:24px}.article p,.article li{font-size:.96rem;color:var(--muted)}.article strong{color:var(--ink)}.notice{padding:20px 24px;border-left:3px solid var(--green);background:var(--soft);border-radius:0 12px 12px 0;margin:24px 0}.notice p:last-child{margin-bottom:0}.narrow{max-width:800px;margin-inline:auto;padding-bottom:60px}.contact-card{background:var(--panel);border:1px solid var(--line);padding:32px;border-radius:24px;margin-bottom:26px}.contact-card h2{font-size:1.4rem}.email{font-size:clamp(1rem,2.8vw,1.6rem);font-weight:650;color:var(--green)}.contact-card .button{margin-top:20px}.contact-card p{color:var(--muted)}.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.data-item{padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.data-item h3{margin-top:0}.data-item p{font-size:.86rem;margin:0}.article a{color:var(--green)}.steps{counter-reset:step;list-style:none;padding:0}.steps li{counter-increment:step;position:relative;padding:0 0 24px 48px;margin:0}.steps li::before{content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;display:grid;place-items:center;background:var(--soft);color:var(--green);border-radius:50%;font-weight:700}.steps strong{display:block;margin-bottom:6px}.message-example{padding:20px;border:1px dashed var(--line);border-radius:12px;background:var(--panel);font-size:.9rem;white-space:pre-line;color:var(--ink)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.button:hover{transform:none}}
@media(max-width:900px){.hero{gap:32px;padding-block:50px}.hero-art{padding:22px 16px}.day-card{padding:22px}.cards{gap:12px}.feature{padding:22px}.extras{gap:28px;padding:28px}.split{gap:35px}.content-layout{grid-template-columns:180px minmax(0,1fr);gap:30px}}
@media(max-width:680px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:96px;flex-wrap:wrap;gap:8px;padding-block:16px}.brand{font-size:1rem}.brand img{width:30px;height:30px}.site-header nav{gap:0}.site-header nav a{padding:7px 10px;font-size:.82rem}.hero{grid-template-columns:1fr;gap:32px;padding-block:38px}.hero h1{max-width:13em}.hero-lead{font-size:1rem}.hero-art{max-width:460px;width:100%;margin-inline:auto;padding:28px 24px 18px}.day-card{padding:24px}.principle-strip{gap:10px;padding-block:18px}.principle-strip div{flex-direction:column;align-items:flex-start;gap:3px}.principle-strip span{font-size:.78rem}.section{padding-block:46px}.section-intro,.footer-top{flex-direction:column;align-items:flex-start;gap:18px}.cards{grid-template-columns:1fr;gap:14px}.feature{padding:24px}.feature .number{margin-bottom:18px}.feature .tag{margin-top:16px}.extras,.split{grid-template-columns:1fr;gap:24px}.extras{padding:24px}.section-intro h2{max-width:16em}.footer-top nav{justify-content:flex-start;gap:0 20px}.footer-bottom{flex-direction:column}.page-head{padding-top:32px}.content-layout{grid-template-columns:1fr;gap:28px;padding-bottom:40px}.toc{position:static;display:flex;flex-wrap:wrap;gap:0 18px}.toc strong{width:100%;margin-bottom:2px}.toc a{padding:7px 0}.data-grid{grid-template-columns:1fr}.contact-card{padding:24px}.narrow{padding-bottom:32px}.closing{padding:42px 18px}.actions .button{gap:16px}.hero-art .day-card{transform:none}.gentle-note{margin-left:8px}}
@media(max-width:380px){.header-inner{flex-direction:column;align-items:flex-start}.site-header nav{width:100%;justify-content:space-between}.hero-art{padding:18px 12px}.day-card{padding:18px}.actions{flex-direction:column}.button{width:100%}}
@media(prefers-color-scheme:dark){:root{--bg:#15221d;--panel:#1c2d25;--ink:#eef1e7;--muted:#bbc7bb;--line:#3b5042;--green:#a8d2b2;--soft:#263a2e;--shadow:0 18px 50px #0003}.button{background:#a8d2b2;color:#15221d}.button.secondary{color:var(--green)}.brand img{background:#255d4a;border-radius:12px}.check.done{background:#a8d2b2;color:#15221d}.pill{border-color:#607964}.gentle-note{background:#60482e;color:#ffe6c6}.footer-bottom{border-color:var(--line)}.skip-link{background:#a8d2b2;color:#15221d}}