@charset "UTF-8";
.tool-controls{border:0;padding:0;margin:0;min-width:0;width:100%}.tool-controls:disabled{cursor:progress}.tool-controls:disabled button{opacity:.65}
:root{--ink:#202720;--muted:#656e66;--paper:#fbfaf7;--line:#dddeda;--accent:#196657;--light:#e4f1eb;--radius:18px;font-family:Arial,'Malgun Gothic',sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-underline-offset:4px}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{opacity:.5;cursor:not-allowed}.skip{position:absolute;top:-100px;left:16px;z-index:10;background:white;padding:10px}.skip:focus{top:10px}.wrap{max-width:1140px;margin:auto;padding:0 28px}.top{border-bottom:1px solid var(--line);background:rgba(251,250,247,.97)}.nav{display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:22px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:var(--ink);white-space:nowrap}.brand-mark{display:grid;place-items:center;background:var(--accent);color:white;border-radius:12px;width:38px;height:38px;font-size:23px;font-weight:400}.nav-links{display:flex;gap:26px;align-items:center}.nav-links a{text-decoration:none;color:var(--muted);font-size:14px}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--accent)}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center;padding:76px 0 64px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--accent);font-weight:800;margin:0 0 22px}.hero h1{font-size:clamp(32px,4.2vw,51px);line-height:1.37;letter-spacing:-.045em;margin:0 0 24px;word-break:keep-all}.lead{font-size:17px;color:var(--muted);max-width:540px;margin:0 0 28px;word-break:keep-all}.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);padding:11px 18px;border-radius:9px;color:var(--ink);background:#fff;text-decoration:none;font-weight:700;font-size:14px;min-height:44px}.btn.primary,button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn:hover,button:hover{filter:brightness(.97)}.micro{font-size:12px;color:var(--muted);margin-top:17px}.art{background:var(--light);border-radius:26px;padding:34px;min-height:330px;display:grid;place-items:center;position:relative;overflow:hidden}.art svg{width:100%;height:auto;max-height:290px}.art-label{position:absolute;left:25px;bottom:16px;font-size:11px;letter-spacing:.08em;color:var(--accent)}.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0;gap:22px}.band strong{display:block;font-size:14px}.band span{color:var(--muted);font-size:12px}.section{padding:52px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section h2{font-size:25px;letter-spacing:-.03em;margin:0 0 15px}.section-head h2{margin:0}.small-link{font-size:13px;white-space:nowrap}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;min-width:0}.card .num{font-size:12px;letter-spacing:.06em;color:var(--accent)}.card h3{font-size:19px;line-height:1.5;margin:15px 0 12px;word-break:keep-all}.card p{font-size:14px;color:var(--muted);margin:0 0 15px}.card a{font-size:13px;font-weight:700}.steps{counter-reset:step}.step{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:35px 1fr;gap:16px}.step:before{counter-increment:step;content:'0' 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.meta{font-size:12px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:23px}.article .related{margin-top:35px}.source-list{font-size:13px}.faq{max-width:850px}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:700;font-size:15px}details p{font-size:14px;color:var(--muted);margin-bottom:0}.tool-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(230px,.6fr);gap:24px;align-items:start;padding-bottom:50px}.tool-main{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:white;min-width:0}.tool-aside{padding:24px;background:var(--light);border-radius:var(--radius);font-size:13px}.tool-aside h2{font-size:16px;margin:0 0 12px}.tool-aside p{color:var(--muted)}label.field{display:block;font-weight:700;font-size:13px;margin:16px 0 7px}.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1;min-width:110px}input:not([type=checkbox]):not([type=radio]):not([type=range]),textarea,select{width:100%;border:1px solid #c8cdc7;border-radius:8px;background:#fff;padding:10px 11px;min-height:44px;color:var(--ink);font-weight:400}input[type=file]{font-size:13px}input[type=color]{padding:3px!important}textarea{min-height:110px;resize:vertical}input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:18px;height:18px;vertical-align:middle}input[type=range]{width:100%;accent-color:var(--accent)}.status{white-space:pre-line;font-size:14px;min-height:30px;margin:18px 0;color:var(--accent);overflow-wrap:anywhere}.status.error{color:#a22c29}.result{padding:20px;border:1px solid var(--line);border-radius:12px;margin-top:20px;background:#fcfcfa}.result:empty{display:none}.result h3{margin:0 0 12px;font-size:18px}.result p{margin:9px 0}.metric{font-size:30px;font-weight:800;color:var(--accent)}canvas.preview{max-width:100%;height:auto;display:block;background:#f3f2ed;border:1px solid var(--line);border-radius:8px;margin:20px auto}.preview-box{overflow:auto;max-width:100%;border-radius:9px}.preview-box svg{width:100%;height:auto;display:block}.table-wrap{overflow:auto;max-width:100%}table{border-collapse:collapse;width:100%;font-size:13px}th,td{border:1px solid var(--line);padding:9px;text-align:left;overflow-wrap:anywhere}th{background:var(--light)}td input{min-width:75px;min-height:30px!important;padding:5px!important}.coin-list{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.coin-list button{background:var(--light);border-color:var(--accent);border-radius:30px;min-width:70px}.choice-item{display:flex;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:8px;margin:8px 0;cursor:pointer;font-size:14px}.question{font-size:21px;font-weight:700;line-height:1.6;background:var(--light);border-radius:12px;padding:23px;margin:18px 0}.timer{font-size:42px;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em}.file-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:12px 0;font-size:13px}.file-row .file-name{flex:1;min-width:100px;overflow-wrap:anywhere}.file-row button{min-height:32px;padding:4px 9px;font-size:12px}.file-row audio{max-width:100%;height:35px}.chip{display:inline-block;font-size:12px;background:var(--light);color:var(--accent);padding:4px 9px;border-radius:20px;margin:3px}.spacer{height:18px}.footer{border-top:1px solid var(--line);margin-top:24px;padding:32px 0 40px;color:var(--muted);font-size:12px}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:start}.footer a{color:var(--muted);margin-left:17px}.footer p{margin:8px 0}.footer .links{display:flex;flex-wrap:wrap;gap:10px 0}.footer .brand-name{font-size:15px;font-weight:bold;color:var(--ink)}.empty{padding:22px;text-align:center;color:var(--muted);font-size:14px}.narrow{max-width:780px}.hidden,[hidden]{display:none!important}.checkline{display:flex;gap:10px;align-items:start;font-size:13px;margin:16px 0}.checkline input{flex-shrink:0;margin-top:4px}.toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.toolbar button{font-size:13px}#frames-list{display:flex;gap:10px;overflow:auto;padding:10px 0}#frames-list img{width:80px;height:80px;object-fit:cover;border-radius:6px}.frame-item{flex:0 0 80px}.frame-item button{width:35px;min-height:28px;padding:1px;font-size:12px}.local-warning{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:13px;margin-top:23px}.export-preview{padding:24px;border:1px dashed var(--line);border-radius:12px;white-space:pre-line;overflow-wrap:anywhere}.danger{color:#a22c29}dialog{border:1px solid var(--line);border-radius:14px;padding:25px;max-width:90vw}hr{border:0;border-top:1px solid var(--line);margin:25px 0}
@media(max-width:800px){.hero{grid-template-columns:1fr;gap:30px;padding:40px 0}.art{min-height:250px;max-width:560px;width:100%}.art svg{max-height:230px}.grid{grid-template-columns:1fr}.tool-layout{grid-template-columns:1fr}.tool-aside{order:2}.nav{min-height:76px;flex-wrap:wrap;padding:18px 0;gap:15px}.nav-links{gap:18px}.wrap{padding:0 20px}.section{padding:35px 0}.band{gap:12px}.footer-inner{flex-direction:column}.footer a{margin-left:0;margin-right:16px}.hero h1{max-width:570px}.tool-main{padding:20px}.row{gap:10px}.page-head{padding-top:25px}.article{padding-top:15px}.section-head{align-items:start}.section-head h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
@media print{.top,.footer,.actions,.toolbar,button,.tool-aside,.breadcrumbs,.skip,.local-warning{display:none!important}body{background:white;color:black}.wrap{padding:0}.tool-layout{display:block}.tool-main{border:0;padding:0}.page-head{padding:10px 0}.article{max-width:none}a{color:black;text-decoration:none}.result{break-inside:avoid}}

.band{display:block}.band .wrap{width:100%;text-align:center}.footer-grid{display:flex;justify-content:space-between;gap:24px}.footer-grid nav{display:flex;align-items:start;flex-wrap:wrap;gap:14px}.footnote{margin-top:20px}fieldset{border:1px solid var(--line);border-radius:12px;margin:14px 0;padding:14px}legend{padding:0 8px;font-weight:bold}.card-link{display:inline-block;margin-top:10px;font-size:13px}@media(max-width:800px){.footer-grid{flex-direction:column}.nav-links{font-size:13px}.hero.wrap{padding:35px 20px}.section.wrap{padding:30px 20px}}

.d-wrap{max-width:1140px;margin:0 auto;padding:0 28px;min-width:0}.d-kicker{font-size:12px;font-weight:800;letter-spacing:.13em;color:var(--accent);margin:0 0 18px}.d-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 23px;background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:9px;text-decoration:none;font-size:15px;font-weight:700;line-height:1.5}.d-cta:focus-visible{outline:3px solid #ad5a22;outline-offset:5px}.d-wrap h1{font-size:clamp(34px,4.5vw,57px);line-height:1.33;letter-spacing:-.045em;margin:0 0 24px;word-break:keep-all}.d-wrap h2{font-size:27px;line-height:1.45;letter-spacing:-.025em;word-break:keep-all}.d-wrap p{word-break:keep-all}.d-section-head{margin-bottom:23px}.d-section-head h2{margin:0}.d-section-head .d-kicker{margin-bottom:8px}.d-guides,.d-faq{padding-top:0;padding-bottom:0}.d-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.d-guide{min-width:0;display:block;text-decoration:none;border:1px solid var(--line);padding:25px;background:white;border-radius:var(--radius)}.d-guide-num{font-size:12px;color:var(--accent);font-weight:700}.d-guide h3{font-size:19px;line-height:1.5;margin:14px 0 11px;color:var(--ink)}.d-guide p{font-size:14px;line-height:1.85;color:var(--muted);margin:0 0 16px}.d-link{font-size:13px;font-weight:700;text-decoration:underline;text-underline-offset:4px}.d-steps{padding-left:26px;margin:20px 0}.d-steps li{padding:10px 0 10px 7px;line-height:1.9}.d-limits{padding-left:23px;font-size:14px;line-height:1.95}.d-limits li{margin:7px 0}.d-wrap svg{max-width:100%;height:auto}.d-example-label{font-size:11px;letter-spacing:.05em;color:var(--muted)}.d-note{padding:22px;border-left:3px solid var(--accent);background:var(--light);line-height:1.9;font-size:14px}.d-actions{display:flex;gap:15px;align-items:center;flex-wrap:wrap}.d-actions>a:not(.d-cta){font-size:14px}.d-preview{min-width:0}.d-faq .faq{max-width:none}.d-faq details{padding:20px 0}.d-faq summary{font-size:16px}.d-faq details p{font-size:15px}.top .nav-links{flex-wrap:wrap;row-gap:10px}.footer-grid>div,.footer-grid nav{min-width:0}.footer-grid nav a{overflow-wrap:anywhere}@media(max-width:800px){.d-wrap{padding-left:20px;padding-right:20px}.d-wrap h1{font-size:35px}.d-wrap h2{font-size:25px}.d-guide-grid{grid-template-columns:1fr}.d-guides,.d-faq{padding-top:0;padding-bottom:0}.d-cta{min-height:46px}.d-limits{font-size:14px}.top .nav{align-items:flex-start}}
body[data-site="time-capsule"]{--d-paper:#F5F6FB;--d-ink:#29344B;--d-muted:#566077;--d-accent:#54517D;--d-tint:#E9EAF5;--d-line:#CBCFE0;--ink:#29344B;--muted:#566077;--paper:#F5F6FB;--line:#CBCFE0;color:#29344B;background:#F5F6FB}
body[data-site="time-capsule"] .top{background:#F5F6FB;border-color:#CBCFE0}
body[data-site="time-capsule"] .brand{color:#29344B}body[data-site="time-capsule"] .brand-mark{background:#54517D;border-radius:7px}
body[data-site="time-capsule"] .nav-links a,body[data-site="time-capsule"] .footer,body[data-site="time-capsule"] .footer a{color:#566077}
body[data-site="time-capsule"] .nav-links a:hover,body[data-site="time-capsule"] .nav-links a[aria-current="page"]{color:#54517D;text-decoration:underline}
body[data-site="time-capsule"] main a{color:#54517D}body[data-site="time-capsule"] main .btn.primary{color:#fff;background:#54517D;border-color:#54517D}
body[data-site="time-capsule"] .btn,body[data-site="time-capsule"] button{border-radius:7px;border-color:#CBCFE0}
body[data-site="time-capsule"] a:focus-visible,body[data-site="time-capsule"] button:focus-visible,body[data-site="time-capsule"] input:focus-visible,body[data-site="time-capsule"] textarea:focus-visible,body[data-site="time-capsule"] select:focus-visible,body[data-site="time-capsule"] summary:focus-visible{outline:3px solid #54517D;outline-offset:4px}
body[data-site="time-capsule"] .tool-main{border-radius:7px;border-color:#CBCFE0;background:#fff}
body[data-site="time-capsule"] .tool-aside{border-radius:7px;background:#E9EAF5;border:1px solid #CBCFE0;color:#29344B}
body[data-site="time-capsule"] .tool-aside p,body[data-site="time-capsule"] .card p,body[data-site="time-capsule"] .article p,body[data-site="time-capsule"] .article li{color:#566077}
body[data-site="time-capsule"] .local-warning{font-size:14px;line-height:1.7;color:#566077;border-color:#CBCFE0}
body[data-site="time-capsule"] .footer{background:#E9EAF5;border-top:1px solid #CBCFE0;margin-top:0;padding-top:34px}
body[data-site="time-capsule"] .footer strong,body[data-site="time-capsule"] .footer .brand-name{color:#29344B}
body[data-site="time-capsule"] .page-head h1{color:#29344B}body[data-site="time-capsule"] .note,body[data-site="time-capsule"] .question{background:#E9EAF5;color:#29344B}
body[data-site="time-capsule"] .card{border-radius:7px;border-color:#CBCFE0}
body[data-site="time-capsule"] .d-shell{max-width:1140px;margin:auto;padding:0 28px}
body[data-site="time-capsule"] .d-kicker{font-size:12px;font-weight:800;letter-spacing:.12em;color:#54517D;margin:0 0 18px}
body[data-site="time-capsule"] .d-description{font-size:18px;line-height:1.85;color:#566077;max-width:620px}
body[data-site="time-capsule"] .d-action-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin:26px 0}
body[data-site="time-capsule"] .d-example-link{font-size:14px;text-underline-offset:5px;font-weight:700}
body[data-site="time-capsule"] .d-section{padding:58px 0;border-top:1px solid #CBCFE0}
body[data-site="time-capsule"] .d-section h2{font-size:26px;line-height:1.5;letter-spacing:-.035em;margin:0 0 20px}
body[data-site="time-capsule"] .d-section p{color:#566077;max-width:760px}
body[data-site="time-capsule"] .d-guide{display:grid;grid-template-columns:38px 1fr 22px;align-items:start;gap:14px;padding:22px 0;border-bottom:1px solid #CBCFE0;text-decoration:none}
body[data-site="time-capsule"] .d-guide strong{display:block;font-size:18px;line-height:1.6;color:#29344B}
body[data-site="time-capsule"] .d-guide small{display:block;font-size:14px;line-height:1.7;color:#566077;margin-top:6px}
body[data-site="time-capsule"] .d-guide-no{font-variant-numeric:tabular-nums;font-size:13px;padding-top:4px}
body[data-site="time-capsule"] .d-steps{padding-left:25px;margin:0}
body[data-site="time-capsule"] .d-steps li{padding:9px 0 9px 8px;line-height:1.85}
body[data-site="time-capsule"] .d-steps li::marker{color:#54517D;font-weight:800}
body[data-site="time-capsule"] .d-limits{padding-left:21px;margin:14px 0;line-height:1.85;color:#566077}
body[data-site="time-capsule"] .d-limits li+li{margin-top:8px}
body[data-site="time-capsule"] .d-small{font-size:14px;line-height:1.8;color:#566077}
body[data-site="time-capsule"] .d-home h1{font-size:clamp(34px,4.3vw,57px);line-height:1.35;letter-spacing:-.045em;word-break:keep-all;margin:0}
body[data-site="time-capsule"] .d-home h2,body[data-site="time-capsule"] .d-home h3{word-break:keep-all}
body[data-site="time-capsule"] .d-home details{border-color:#CBCFE0}
body[data-site="time-capsule"] .d-home summary{min-height:44px;display:list-item;padding:8px 0}
body[data-site="time-capsule"] .d-home details p{font-size:15px;line-height:1.85;color:#566077}
@media(max-width:760px){body[data-site="time-capsule"] .d-shell{padding:0 20px}body[data-site="time-capsule"] .d-section{padding:38px 0}body[data-site="time-capsule"] .d-description{font-size:17px}body[data-site="time-capsule"] .d-guide{grid-template-columns:28px 1fr 18px;gap:9px}body[data-site="time-capsule"] .d-guide strong{font-size:17px}body[data-site="time-capsule"] .d-action-row{gap:16px}body[data-site="time-capsule"] .d-home h1{font-size:35px}}
@media(prefers-reduced-motion:reduce){body[data-site="time-capsule"] *,body[data-site="time-capsule"] *::before,body[data-site="time-capsule"] *::after{animation:none!important;transition:none!important}}
@media print{body[data-site="time-capsule"] .d-home{color:#000;background:#fff}body[data-site="time-capsule"] .d-section{break-inside:avoid}}
body[data-site="time-capsule"] .top{border-top:6px solid #54517D;border-bottom:1px solid #CBCFE0}body[data-site="time-capsule"] .brand{font-size:21px;letter-spacing:-.05em}body[data-site="time-capsule"] .brand-mark{background:transparent;border:1px solid #54517D;color:#54517D}
body[data-site="time-capsule"] .tc-opening{display:grid;grid-template-columns:1.1fr .9fr;gap:65px;padding:72px 0 52px;align-items:center}body[data-site="time-capsule"] .tc-opening h1{font-weight:600;line-height:1.5}body[data-site="time-capsule"] .tc-opening .d-description{font-size:17px}
body[data-site="time-capsule"] .tc-envelope{position:relative;min-height:400px;padding:0 20px 45px;display:flex;align-items:start;justify-content:center}body[data-site="time-capsule"] .tc-envelope::before{content:'';position:absolute;inset:100px 0 0;border:1px solid #B4BAD0;background:#D7DBEB;border-radius:5px}
body[data-site="time-capsule"] .tc-letter{position:relative;background:#FFFEFC;border:1px solid #CBCFE0;padding:25px 26px 65px;width:95%;box-shadow:0 5px 16px #29344B10;transform:rotate(-3deg);min-height:330px}
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body[data-site="time-capsule"] .tc-letter>span{display:block;font-size:12px;line-height:2.5;color:#566077;border-bottom:1px solid #E1E4EE}
body[data-site="time-capsule"] .tc-envelope-front{position:absolute;left:0;right:0;bottom:0;height:180px;border:1px solid #B4BAD0;background:linear-gradient(28deg,#D4D9EB 49.7%,transparent 50%) left/50.2% 100% no-repeat,linear-gradient(-28deg,#DFE3F1 49.7%,transparent 50%) right/50.2% 100% no-repeat;pointer-events:none}
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