@charset "UTF-8";
:root{--ink:#253c36;--muted:#596962;--green:#234e46;--cream:#faf9f5;--line:#dce2d9;--sage:#edf2e9;--accent:#a96c46;--body:18px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--cream);color:var(--ink);font-family:"Noto Sans JP","Yu Gothic",Meiryo,sans-serif;font-size:var(--body);line-height:1.85;-webkit-text-size-adjust:100%;overflow-wrap:anywhere}html[data-font=large]{--body:22px}a{color:var(--green);text-underline-offset:5px}a:hover{color:#805238}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b26c28;outline-offset:4px}button{color:var(--green)}img,svg{max-width:100%;vertical-align:middle}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.55;overflow-wrap:anywhere}h1,h2{font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;font-weight:600}h3{font-weight:650}h1{font-size:clamp(32px,3.2vw,48px);letter-spacing:.04em}h2{font-size:30px;letter-spacing:.035em}h3{font-size:21px}p{margin-bottom:1.25em}.wrap{width:min(1180px,calc(100% - 64px));margin:auto}.narrow{max-width:840px;padding-bottom:90px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:16px;z-index:10}.skip:focus{top:0}.site-disclosure{position:relative;background:#eceee7;text-align:center;padding:8px 16px;font-size:var(--body);line-height:1.6;color:#46554c}.site-disclosure a{margin-left:18px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:27px;padding-bottom:24px}.brand{display:flex;gap:14px;align-items:center;text-decoration:none;flex-shrink:0}.brand span{font-family:"Yu Mincho",serif;font-size:32px;font-weight:600;letter-spacing:.11em;line-height:1.3}.brand small{display:block;font-family:"Yu Gothic",Meiryo,sans-serif;font-weight:400;font-size:12px;letter-spacing:.07em;margin-top:10px}.header-tools{display:flex;align-items:center;gap:28px;font-size:14px}.guide-link{text-decoration:none}.text-size{display:flex;gap:5px;align-items:center;white-space:nowrap}.text-size button{border:1px solid var(--line);border-radius:4px;background:#fff;min-width:44px;min-height:44px;padding:4px 8px}.text-size button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.primary-nav{display:flex;justify-content:flex-end;gap:0}.primary-nav a{font-size:16px;font-weight:600;min-height:55px;padding:13px 27px;text-decoration:none;position:relative}.primary-nav a:last-child{border-left:1px solid var(--line);padding-right:0;margin-left:14px;padding-left:32px}.primary-nav a[aria-current=page]:after{content:"";position:absolute;bottom:0;left:25px;right:25px;height:3px;background:var(--green)}.eyebrow{font-size:14px;letter-spacing:.09em;color:#5a7267;font-weight:650;margin-bottom:17px}.hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:45px;padding-top:66px;padding-bottom:75px;min-height:540px}.hero h1{font-size:clamp(33px,3.35vw,50px);line-height:1.7;letter-spacing:.045em;margin-bottom:20px}.hero .eyebrow{margin-bottom:18px}.hero .eyebrow span{display:inline-block;width:22px;height:1px;background:var(--accent);vertical-align:middle;margin-right:6px}.hero-lead{font-size:18px;line-height:2.1;color:#52645a;margin-bottom:31px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;background:var(--green);border:1px solid var(--green);color:white;border-radius:5px;padding:16px 27px;min-height:57px;font-size:17px;font-weight:600;text-decoration:none}.button:hover{background:#386b5d;color:white}.button.secondary{background:transparent;color:var(--green)}.hero-guide{display:inline-block;font-size:14px;margin-left:19px}.hero-art{min-height:370px;position:relative;display:grid;place-content:center;isolation:isolate}.art-circle{position:absolute;width:350px;height:350px;background:#e4ebdf;border-radius:48% 52% 58% 42%;left:50%;top:50%;transform:translate(-50%,-50%);z-index:-2}.art-paper{position:relative;background:#fffef8;border:1px solid #d7dfcf;border-radius:3px;width:245px;height:310px;transform:rotate(-7deg);box-shadow:14px 18px 0 #d4ddcd77;padding:28px 32px;z-index:1}.paper-seal{width:33px;height:33px;border:1px solid #b69471;border-radius:50%;color:#a37a50;display:grid;place-content:center;font-size:15px;margin-bottom:19px}.art-paper p{font-family:"Yu Mincho",serif;font-size:23px;letter-spacing:.08em;line-height:1.75;color:#4a6453;margin-bottom:20px}.art-paper i{display:block;width:100%;height:1px;background:#dce2d5;margin-top:15px}.art-paper i:last-of-type{width:70%}.paper-leaf{position:absolute;right:-42px;bottom:12px;width:100px;height:160px;font-size:110px;color:#688567;transform:rotate(7deg);z-index:3}.art-caption{font-size:12px;letter-spacing:.13em;position:absolute;bottom:-10px;left:50%;white-space:nowrap;transform:translateX(-50%);color:#677b68}.art-stroke{position:absolute;width:90px;height:40px;border:1px solid #b0bd9e;border-radius:50%;transform:rotate(-45deg);top:27px;right:37px;z-index:-1}.section-heading{margin-bottom:30px}.section-heading h2{margin-bottom:0}.section-heading .eyebrow{margin-bottom:8px}.section-heading.row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px}.section-heading.row>p{font-size:15px;margin-bottom:5px;color:var(--muted)}.themes{padding:0 0 72px;scroll-margin-top:25px}.topic-grid,.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.topic-card{display:block;border:1px solid var(--line);background:white;border-radius:7px;padding:27px 30px;text-decoration:none;transition:transform .15s,box-shadow .15s}.topic-card:hover{transform:translateY(-3px);box-shadow:0 9px 28px #234e4610;color:var(--ink)}.topic-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.topic-top>span{font-family:Georgia,serif;font-size:17px;letter-spacing:.12em;color:#7b8b75}.topic-top svg{width:45px;height:48px}.topic-card h2{font-size:23px;margin-bottom:12px}.topic-card p{font-size:16px;line-height:1.9;color:var(--muted);min-height:60px}.text-link{font-size:16px;font-weight:600;text-decoration:none}.topic-card .text-link{border-top:1px solid var(--line);display:flex;justify-content:space-between;padding-top:17px;font-size:14px}.cat-procedures{--cat:#53756a;--tint:#eaf0e8}.cat-inheritance{--cat:#917552;--tint:#f3eee4}.cat-home{--cat:#617687;--tint:#eaf0f3}.topic-top svg{color:var(--cat)}.featured{background:#f0f2eb;padding:66px 0 74px}.article-card{background:white;border:1px solid var(--line);border-radius:7px;display:flex;flex-direction:column;text-decoration:none;overflow:hidden;color:var(--ink);transition:box-shadow .15s}.article-card:hover{box-shadow:0 8px 24px #234e4615;color:var(--ink)}.article-card:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.card-icon{background:var(--tint);color:var(--cat);display:flex;align-items:center;justify-content:space-between;padding:25px 31px;border-bottom:1px solid var(--line);height:125px}.card-icon svg{width:53px;height:60px}.card-icon span{font-family:"Yu Mincho",serif;font-size:23px;letter-spacing:.1em}.card-copy{padding:26px 26px 23px;display:flex;flex:1;flex-direction:column}.card-copy .eyebrow{font-size:12px;margin-bottom:12px}.card-copy h3{font-size:20px;line-height:1.65;margin-bottom:14px}.card-copy p{font-size:15px;color:var(--muted);line-height:1.9}.card-end{margin-top:auto;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:600;padding-top:13px;color:var(--green)}.approach{padding:83px 0 85px;display:grid;grid-template-columns:1fr 1.1fr;gap:90px}.approach h2{font-size:35px;line-height:1.8;margin-bottom:20px}.approach p{color:var(--muted);font-size:17px}.steps{list-style:none;padding:0;margin:0}.steps li{display:flex;gap:25px;align-items:baseline;padding:21px 0;border-bottom:1px solid var(--line)}.steps li:first-child{padding-top:0}.steps li>span{font-family:Georgia,serif;font-size:18px;color:#8a9a82}.steps h3{font-size:19px;margin-bottom:6px}.steps p{font-size:15px;margin:0}.editorial-band{padding:64px 0;text-align:center;background:#e7eee3}.editorial-band p{color:#536a59}.editorial-band h2{margin-bottom:18px}.site-footer{padding:57px 0 20px;background:#fff;border-top:1px solid var(--line)}.footer-grid{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px}.footer-brand{font-family:"Yu Mincho",serif;font-size:27px;text-decoration:none;font-weight:600;letter-spacing:.1em}.footer-grid p{font-size:14px;color:var(--muted);margin-top:19px}.footer-grid nav{display:grid;grid-template-columns:1fr 1.1fr;gap:13px 35px;align-content:start;padding-top:13px}.footer-grid nav a{font-size:14px;text-decoration:none}.footer-bottom{padding-top:20px;border-top:1px solid var(--line)}.footer-bottom p,.footer-bottom small{font-size:12px;color:var(--muted)}.footer-bottom small{display:block;text-align:right}.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:22px 0;font-size:13px;color:var(--muted)}.breadcrumbs a{color:var(--muted);text-decoration:none}.page-heading{padding:32px 0 40px}.page-heading h1{margin-bottom:20px}.page-heading>p,.page-heading>div>p:last-child{color:var(--muted)}.category-heading{display:flex;justify-content:space-between;gap:30px;align-items:center}.category-icon{background:var(--tint);color:var(--cat);border-radius:50%;width:125px;height:125px;display:grid;place-content:center;flex-shrink:0}.category-icon svg{width:65px;height:72px}.category-cards{padding-bottom:85px;row-gap:35px}.article-layout{display:grid;grid-template-columns:minmax(0,810px) 285px;gap:65px;padding-top:23px}.article-heading h1{font-size:36px;line-height:1.65;margin:17px 0 24px;letter-spacing:.02em}.article-heading .eyebrow{text-decoration:none}.article__meta{font-size:13px;color:var(--muted);line-height:1.8;border-bottom:1px solid var(--line);padding-bottom:23px;margin-bottom:25px}.article__meta span{margin-left:22px}.article-intro{font-size:20px;line-height:2;margin-bottom:27px}.article-actions{display:flex;align-items:center;gap:20px;font-size:14px;padding-bottom:32px;border-bottom:1px solid var(--line);margin-bottom:35px}.article-actions button{background:white;border:1px solid #9bab9c;padding:9px 20px;border-radius:4px;min-height:44px}.sticky-toc{position:sticky;top:30px;border-top:3px solid #698775;padding-top:22px;font-size:14px}.sticky-toc ol{padding-left:22px;margin:0 0 25px}.sticky-toc li{margin-bottom:13px;padding-left:3px;line-height:1.7}.sticky-toc a{text-decoration:none}.sticky-toc a:hover{text-decoration:underline}.toc-back{display:block;border-top:1px solid var(--line);padding-top:20px}.mobile-toc{display:none}.prose{font-size:var(--body);line-height:2}.prose h2{font-size:27px;line-height:1.6;letter-spacing:.01em;margin:55px 0 22px;border-left:3px solid #7d987c;padding-left:17px}.prose h2:first-child{margin-top:10px}.prose h3{font-size:21px;line-height:1.7;margin:32px 0 15px}.prose p{margin-bottom:23px}.prose ul,.prose ol{padding-left:1.6em;margin:20px 0 28px}.prose li{padding-left:.2em;margin-bottom:9px}.prose strong{color:#1f4a3e;font-weight:700;background:linear-gradient(transparent 65%,#e6eddc 65%)}.table-scroll{overflow-x:auto;margin:27px 0;border:1px solid var(--line);border-radius:4px;outline-offset:3px}.prose table{border-collapse:collapse;width:100%;font-size:16px;line-height:1.85;min-width:500px;text-align:left;background:#fff}.prose th,.prose td{padding:17px 18px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top;min-width:120px}.prose th{background:#eef2e9;font-weight:650;color:#355346}.prose caption{text-align:left;padding:15px;font-weight:650;color:#3d594b;background:white}.prose tr:last-child td{border-bottom:0}.prose blockquote,.prose .note,.prose aside{background:#edf1e8;border-left:3px solid #7d987c;padding:23px;margin:28px 0}.sources{border:1px solid var(--line);background:#fff;padding:28px;margin-top:50px;border-radius:6px;font-size:15px}.sources h2,.editor-note h2{font-family:inherit;font-size:20px;margin-bottom:15px}.sources ul{padding-left:20px;margin-bottom:0}.sources li{padding-bottom:18px}.sources li:last-child{padding-bottom:0}.sources li span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.editor-note{padding:27px 0;margin-top:20px;font-size:15px;color:var(--muted);line-height:1.95}.related{margin:50px 0 85px;padding-top:35px;border-top:1px solid var(--line)}.search-form{padding:25px 29px;background:#eaf0e5;border-radius:6px;margin-bottom:24px}.search-form label{font-size:16px;font-weight:600;display:block;margin-bottom:9px}.search-form>div{display:flex;gap:12px}.search-form input{width:100%;border:1px solid #9bab9c;border-radius:4px;padding:12px 16px;min-width:0;background:#fff}.search-form button{padding:12px 24px;border:1px solid var(--green);border-radius:4px;background:var(--green);color:#fff;white-space:nowrap}.filter-buttons{display:flex;gap:11px;flex-wrap:wrap}.filter-buttons button{border:1px solid #a3b19f;border-radius:50px;padding:8px 19px;min-height:44px;background:#fff;font-size:15px}.filter-buttons button[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}#search-count{font-size:14px;margin:25px 0 20px}.search-results{padding-bottom:75px}.empty-message{padding:30px;margin-bottom:60px;background:#f0f2e9;border-radius:5px}.info-table{display:grid;grid-template-columns:150px 1fr;border-top:1px solid var(--line);margin-bottom:35px}.info-table dt,.info-table dd{margin:0;padding:19px 16px;border-bottom:1px solid var(--line);font-size:16px}.info-table dt{background:#eef1e7;font-weight:600}.contact-box{padding:32px;background:#ecf1e7;border-radius:6px}.contact-box>a{font-size:24px;font-weight:600}.contact-box p:last-child{font-size:15px;margin-top:17px;margin-bottom:0}.error-page{padding-top:75px;padding-bottom:100px}.error-page .text-link{display:inline-block;margin-left:24px}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-top:80px;padding-bottom:88px}.hero h1{font-size:49px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.header-tools{gap:15px}.primary-nav{justify-content:space-between}.primary-nav a{padding:13px 15px}.hero{gap:20px}.hero h1{font-size:38px}.hero-guide{display:block;margin:18px 0 0}.topic-card{padding:23px}.topic-card h2{font-size:21px}.topic-card p{font-size:15px}.article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:35px}.card-copy{padding:22px}.approach{gap:55px}.article-heading h1{font-size:33px}}
@media(max-width:800px){.header-tools .guide-link{display:none}.primary-nav a{font-size:14px;padding:13px 11px}.primary-nav a:last-child{margin-left:0;padding-left:15px}.hero{grid-template-columns:1.4fr 1fr;padding-top:48px;padding-bottom:55px}.hero h1{font-size:32px}.hero-lead{font-size:16px}.art-paper{width:190px;height:265px;padding:25px}.art-paper p{font-size:22px}.art-circle{width:260px;height:300px}.hero-art{min-height:320px}.art-caption{font-size:10px;bottom:0}.art-stroke{right:0}.paper-leaf{font-size:85px;right:-55px}.topic-grid{gap:15px}.topic-card{padding:19px}.topic-card h2{font-size:19px}.topic-card p{min-height:115px}.topic-card .text-link{font-size:12px}.cards{gap:18px}.card-copy h3{font-size:18px}.card-copy p{font-size:14px}.card-icon{padding:20px;height:105px}.card-icon span{font-size:18px}.card-icon svg{width:40px}.section-heading h2{font-size:27px}.article-layout{display:block;max-width:800px}.article-sidebar{display:none}.mobile-toc{display:block;border:1px solid #ced8c8;border-radius:5px;padding:15px 22px;margin-bottom:35px;background:#edf2e8}.mobile-toc summary{font-weight:600;cursor:pointer;min-height:30px}.mobile-toc ol{font-size:15px;line-height:1.9;padding-left:22px}.mobile-toc li{padding:5px 0}.approach{gap:38px}.approach h2{font-size:29px}.footer-grid{flex-direction:column;gap:15px}.footer-grid nav{display:flex;gap:12px 25px;flex-wrap:wrap}.category-icon{width:95px;height:95px}.category-icon svg{width:50px}.article-heading h1{font-size:32px}}
@media(max-width:600px){.wrap{width:calc(100% - 36px)}.site-disclosure{font-size:var(--body);padding:9px 12px}.site-disclosure a{display:inline-block;margin-left:9px}.header-inner{padding:21px 0 19px;align-items:flex-start;gap:12px}.brand{gap:9px}.brand img{width:33px;height:33px}.brand span{font-size:26px}.brand small{font-size:9px;letter-spacing:.02em;margin-top:7px}.text-size{font-size:0;gap:3px}.text-size button{font-size:13px;min-width:39px;min-height:42px;padding:4px}.primary-nav{width:100%;padding:0 10px}.primary-nav a{font-size:14px;padding:13px 6px;min-height:48px}.primary-nav a:last-child{padding-left:11px;padding-right:3px}.primary-nav a[aria-current=page]:after{left:8px;right:8px}.hero{display:block;padding-top:36px;padding-bottom:40px}.hero h1{font-size:28px;letter-spacing:.015em;line-height:1.75}.hero .eyebrow{font-size:12px}.hero-lead{font-size:17px}.hero .button{font-size:16px;padding:14px 22px}.hero-guide{display:inline-block;font-size:13px;margin-left:13px}.hero-art{display:none}.section-heading.row{display:block}.section-heading h2{font-size:25px}.section-heading .eyebrow{font-size:12px}.section-heading.row>p{margin-top:11px}.topic-grid{grid-template-columns:1fr;gap:15px}.topic-card{padding:22px 23px;position:relative}.topic-top{float:right;margin:0 0 8px 16px;display:block}.topic-top>span{display:none}.topic-top svg{width:43px;height:53px}.topic-card h2{font-size:24px;padding-top:1px;margin-bottom:11px}.topic-card p{min-height:0;font-size:16px;margin-bottom:16px}.topic-card .text-link{font-size:14px;clear:both}.themes{padding-bottom:42px}.featured{padding:40px 0 45px}.section-heading.row>a{display:inline-block;margin-top:15px}.cards{grid-template-columns:1fr;gap:20px}.article-card{display:flex;flex-direction:row;align-items:stretch}.card-icon{height:auto;width:84px;flex-shrink:0;flex-direction:column;justify-content:center;gap:12px;border-bottom:0;border-right:1px solid var(--line);padding:15px 10px}.card-icon span{font-size:12px;writing-mode:vertical-rl;letter-spacing:.1em}.card-icon svg{width:38px;height:45px}.card-copy{padding:21px 19px}.card-copy .eyebrow{font-size:11px;margin-bottom:7px}.card-copy h3{font-size:19px;margin-bottom:10px}.card-copy p{font-size:14px;line-height:1.8;margin-bottom:12px}.card-end{padding-top:0;font-size:13px}.approach{display:block;padding:48px 0}.approach h2{font-size:28px}.steps{margin-top:35px}.steps li{padding:21px 0;gap:18px}.steps li:first-child{padding-top:21px;border-top:1px solid var(--line)}.steps h3{font-size:19px}.editorial-band{padding:44px 0}.editorial-band h2{font-size:25px}.editorial-band p{font-size:16px}.editorial-band br{display:none}.site-footer{padding-top:37px}.footer-grid nav{display:grid;grid-template-columns:1fr;gap:15px}.footer-bottom p{font-size:12px}.footer-bottom small{text-align:left}.breadcrumbs{font-size:12px;padding:18px 0}.page-heading{padding:20px 0 26px}.page-heading h1{font-size:29px}.page-heading p{font-size:17px}.category-icon{display:none}.category-cards{padding-bottom:45px}.article-layout{padding-top:8px}.article-heading h1{font-size:29px;line-height:1.6;margin:15px 0 21px}.article__meta span{display:block;margin-left:0;margin-top:4px}.article-intro{font-size:19px}.article-actions{gap:15px;font-size:13px;align-items:flex-start}.article-actions a{padding-top:10px}.article-actions button{padding:10px 12px;white-space:nowrap}.prose h2{font-size:25px;margin-top:40px;padding-left:12px}.prose h3{font-size:21px}.prose table{font-size:16px}.prose td,.prose th{padding:14px}.sources{padding:22px 19px;font-size:15px}.related{margin-bottom:45px}.related h2{font-size:25px}.search-form{padding:20px 18px}.search-form>div{gap:8px}.search-form input{font-size:16px;padding:12px}.search-form button{padding:12px;font-size:14px}.filter-buttons{gap:7px}.filter-buttons button{font-size:14px;padding:8px 14px}.info-table{grid-template-columns:1fr}.info-table dt{border-bottom:0;padding:12px 15px 0;background:transparent}.info-table dd{padding:5px 15px 15px}.contact-box{padding:24px 20px}.contact-box>a{font-size:20px}.error-page .text-link{display:block;margin:20px 0 0}.narrow{padding-bottom:45px}.search-results{padding-bottom:45px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white;color:#000;font-size:12pt}.site-disclosure,.site-header,.site-footer,.breadcrumbs,.article-sidebar,.related,.article-actions,.mobile-toc,.skip{display:none!important}.wrap,.narrow{width:100%;max-width:none;padding:0}.article-layout{display:block;padding:0}.article-heading h1{font-size:23pt}.article-intro,.prose{font-size:12pt;line-height:1.8}.prose h2{font-size:17pt;break-after:avoid}.prose h3{font-size:14pt;break-after:avoid}.table-scroll{overflow:visible;border:0}.prose table{min-width:0;font-size:10pt}.prose th,.prose td{padding:8px;border:1px solid #999}.sources{font-size:10pt;break-inside:avoid}.sources a:after{content:" (" attr(href) ")";overflow-wrap:anywhere;font-size:8pt}.editor-note{font-size:10pt}a{color:#000}.article__meta{font-size:10pt}.prose li{break-inside:avoid}}

.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}