@font-face{font-family:Nunito;src:url('/assets/fonts/nunito-800.ttf') format('truetype');font-weight:800;font-style:normal;font-display:swap}
:root{--forest:#123f39;--ink:#132b29;--cream:#fff8e7;--mint:#c9e9ce;--yellow:#f5d750;--paper:#fffdf5;--muted:#465b53;--line:#9bac94;--body:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;--heading:Nunito,system-ui,sans-serif;--max:1200px;--reading:750px;--pad:28px;--radius:22px}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;background:var(--cream);color:var(--ink);font:17px/1.7 var(--body)}a{color:var(--forest);text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible{outline:3px solid #a34218;outline-offset:5px;border-radius:3px}img{max-width:100%;height:auto;display:block}h1,h2,h3,.brand,.button{font-family:var(--heading);font-weight:800;line-height:1.12}h1,h2,h3{margin:0 0 20px;overflow-wrap:break-word}h1{font-size:clamp(2.3rem,4.2vw,4rem);letter-spacing:-.035em}h2{font-size:clamp(1.7rem,3vw,2.3rem);letter-spacing:-.025em}h3{font-size:1.4rem}p{margin:0 0 1.2em}.container{width:calc(100% - var(--pad)*2);max-width:var(--max);margin-inline:auto}.skip{position:absolute;left:20px;top:-100px;background:var(--yellow);padding:10px 18px;z-index:30}.skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.site-header{background:var(--paper);border-bottom:2px solid var(--forest);position:relative;z-index:10}.header-inner{min-height:88px;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none;font-size:1.35rem;letter-spacing:-.04em}.brand img{width:48px;height:48px}.brand small{display:block;font:10px/1.4 var(--body);letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}.desktop-nav{margin-left:auto;display:flex;align-items:center;gap:24px}.nav-link{font-size:14px;font-weight:700;white-space:nowrap;padding:12px 0;text-decoration:none}.nav-link[aria-current=page]{box-shadow:inset 0 -3px var(--forest)}.language{border:1px solid var(--forest);border-radius:30px;padding:7px 13px;font-size:12px;white-space:nowrap;text-decoration:none}.mobile-nav{display:none;margin-left:auto}.mobile-nav summary{cursor:pointer;border:1px solid var(--forest);border-radius:24px;padding:7px 15px;font-weight:700;font-size:14px}.mobile-links{position:absolute;top:calc(100% - 1px);left:0;width:100%;padding:18px var(--pad) 24px;background:var(--paper);border-bottom:2px solid var(--forest);box-shadow:0 14px 18px #132b2914}.mobile-links .nav-link{display:block;padding:11px 0;white-space:normal}.mobile-links .language{display:inline-block;margin-top:10px}
.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;font-weight:800;display:flex;gap:9px;align-items:center;margin-bottom:18px}.eyebrow:before{content:'';width:10px;height:10px;border-radius:50%;background:var(--forest);box-shadow:5px 0 0 var(--yellow)}.hero{padding:60px 0 35px;position:relative}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}.hero h1{font-size:clamp(3rem,5.2vw,5rem);max-width:600px}.hero h1 em{font-style:normal;color:var(--forest);background:linear-gradient(transparent 66%,var(--yellow) 66%,var(--yellow) 90%,transparent 90%)}.hero .intro{max-width:510px;font-size:18px}.hero-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px}.button{display:inline-block;padding:14px 24px;background:var(--forest);color:var(--cream);border:2px solid var(--ink);border-radius:100px;text-decoration:none;box-shadow:3px 4px 0 var(--ink);font-size:16px}.button:hover{background:#20584c;transform:translateY(-1px)}.hero-frame{position:relative;margin:0;padding:15px;background:var(--forest);border:2px solid var(--ink);border-radius:30px 30px 70px 30px;box-shadow:8px 9px 0 var(--mint)}.hero-frame img{border:1px solid var(--ink);border-radius:15px 15px 45px 15px;aspect-ratio:1918/1080}.hero-frame figcaption{color:#e4eddb;font-size:10px;padding:10px 4px 2px;line-height:1.5;max-width:95%}.beat-tag{display:inline-block;background:var(--yellow);padding:6px 16px;border:2px solid var(--ink);border-radius:30px;font:800 12px var(--heading);position:absolute;right:20px;top:-20px;transform:rotate(4deg)}.beat-line{display:flex;align-items:center;gap:14px;margin:45px 0 25px}.beat-line:before,.beat-line:after{content:'';height:1px;background:var(--line);flex:1}.beat-line i{display:block;width:11px;height:11px;background:var(--forest);border-radius:50%}.beat-line i:nth-child(3){width:17px;height:17px;background:var(--yellow);border:2px solid var(--forest)}
.status-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--forest);border-radius:var(--radius);background:var(--paper);overflow:hidden;margin:20px 0}.status-item{padding:21px 24px;border-right:1px solid var(--line)}.status-item:last-child{border:0}.status-item small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px}.status-item strong{font-family:var(--heading);font-size:17px}.small-note{font-size:13px;color:var(--muted)}.notice{padding:21px 25px;border-left:5px solid var(--forest);background:var(--mint);border-radius:0 14px 14px 0;font-size:15px;margin:25px 0}.notice p:last-child{margin-bottom:0}.section{padding:45px 0}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;border-bottom:2px solid var(--forest);padding-bottom:8px;margin-bottom:28px}.section-head h2{margin-bottom:12px}.section-head .index{font-family:var(--heading);font-size:16px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.guide-card{padding:27px;background:var(--paper);border:1px solid var(--forest);border-radius:var(--radius);display:flex;flex-direction:column}.guide-card h3 a{text-decoration:none}.guide-card h3 a:hover{text-decoration:underline}.guide-card .card-meta{font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:12px}.guide-card p{font-size:15px;margin-bottom:18px}.guide-card .card-links{display:flex;gap:18px;flex-wrap:wrap;margin-top:auto;font-size:14px;font-weight:700}.guide-card.highlight{background:var(--mint)}.compact-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px}.compact-grid p,.compact-grid li{font-size:15px}.facts-list{padding-left:20px}.facts-list li{margin-bottom:10px}
.breadcrumb{font-size:13px;color:var(--muted);padding:28px 0 14px}.breadcrumb a{font-weight:600}.article-header{max-width:920px;padding:22px 0 28px}.article-header h1{font-size:clamp(2.2rem,4.5vw,3.8rem);max-width:870px}.article-header .lead{font-size:20px;line-height:1.65;max-width:830px;margin-bottom:22px}.article-header .eyebrow{font-size:11px}.checked{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:0}.article-layout{display:grid;grid-template-columns:minmax(0,var(--reading)) 250px;gap:65px;padding-bottom:65px}.prose{min-width:0}.prose section{margin:38px 0}.prose section:first-child{margin-top:0}.prose p,.prose li{overflow-wrap:anywhere}.prose li{padding-left:5px;margin-bottom:15px}.prose ol,.prose ul{padding-left:25px}.prose h2{font-size:1.8rem;margin-bottom:22px;line-height:1.22}.prose figure{margin:32px 0}.prose figure img{border:1px solid var(--forest);border-radius:16px}.prose figcaption{font-size:11px;color:var(--muted);line-height:1.55;margin-top:9px}.toc{height:fit-content;position:sticky;top:25px;background:var(--mint);padding:23px;border:1px solid var(--forest);border-radius:var(--radius);font-size:13px;margin-top:5px}.toc h2{font-size:17px;margin-bottom:14px}.toc ol{padding-left:17px;margin:0}.toc li{padding:5px 0}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}sup{font-size:11px;line-height:0;vertical-align:super}sup a{display:inline;padding:3px 2px;text-decoration:none;font-weight:700}.sources{border-top:2px solid var(--forest);padding-top:24px}.sources h2{font-size:1.45rem}.sources ol{font-size:12px;line-height:1.65;padding-left:23px}.sources li{padding-left:4px;margin-bottom:16px;scroll-margin-top:25px}.sources a{font-weight:700}.source-note{display:block;color:var(--muted);margin-top:4px}.back-guide{font-size:12px}.related{border-top:1px solid var(--line);padding-top:25px}.related h2{font-size:1.4rem}.related ul{list-style:none;padding:0;display:grid;gap:8px}.related li{padding:0;margin:0}.related a{font-family:var(--heading);font-size:17px}table{width:100%;border-collapse:collapse;font-size:15px;background:var(--paper);margin:22px 0}th,td{padding:16px;text-align:left;border:1px solid var(--line);vertical-align:top}th{background:var(--forest);color:var(--cream);font-size:13px}td:first-child{font-weight:650}tbody tr:nth-child(even){background:#edf3e6}.trust{max-width:var(--reading);padding-bottom:65px;min-height:55vh}.trust h2{font-size:1.6rem;margin-top:35px}.trust .lead{font-size:20px}.error-mark{font:800 clamp(5rem,15vw,9rem)/1 var(--heading);color:var(--forest);margin:30px 0 20px}.site-footer{background:var(--forest);color:var(--cream);border-top:2px solid var(--ink);padding:38px 0}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:flex-start}.site-footer .brand{color:var(--cream);font-size:19px}.site-footer .brand small{color:#d2e4d0}.site-footer p{font-size:12px;color:#d2e4d0;margin:16px 0 0;max-width:610px}.footer-links{display:flex;gap:23px;flex-wrap:wrap}.footer-links a{color:var(--cream);font-size:13px}.legal-note{font-size:11px!important}body:lang(ja){font-family:system-ui,'Yu Gothic','Hiragino Kaku Gothic ProN',sans-serif}body:lang(ja) h1{letter-spacing:-.03em;line-height:1.3}body:lang(ja) .hero h1{font-size:clamp(2.5rem,4.8vw,4.2rem)}
@media(max-width:1100px){.desktop-nav{gap:17px}.header-inner{gap:16px}.brand{font-size:1.2rem}.nav-link{font-size:13px}.article-layout{gap:35px;grid-template-columns:minmax(0,1fr) 225px}.hero-grid{gap:28px}}
@media(max-width:999px){.desktop-nav{display:none}.mobile-nav{display:block}.header-inner{min-height:78px}.hero{padding-top:42px}.hero-grid{grid-template-columns:1fr 1fr;gap:28px}.hero h1{font-size:3.4rem}.hero .intro{font-size:16px}.hero-frame{padding:10px}.article-layout{grid-template-columns:1fr;max-width:var(--reading)}.toc{position:static;grid-row:1;margin-bottom:0}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.status-item{padding:18px 15px}.status-item strong{font-size:15px}.footer-inner{flex-direction:column}.article-header{max-width:var(--reading)}}
@media(max-width:700px){:root{--pad:22px}.hero-grid,.compact-grid{grid-template-columns:1fr}.hero{padding-top:33px}.hero h1{font-size:3.25rem;max-width:440px}.hero-frame{margin-top:15px}.hero .intro{font-size:17px}.hero-links{gap:20px}.hero-frame figcaption{font-size:10px}.beat-line{margin-top:32px}.status-strip{grid-template-columns:1fr 1fr}.status-item:nth-child(2){border-right:0}.status-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.guide-grid{grid-template-columns:1fr;gap:18px}.section{padding:28px 0}.section-head{align-items:flex-start}.section-head h2{font-size:1.8rem}.guide-card{padding:24px}.compact-grid{gap:20px}.article-header{padding-top:16px}.article-header h1{font-size:2.45rem}.article-header .lead{font-size:18px}.article-layout{gap:28px}.toc{padding:20px}.toc ol{display:block}.prose section{margin-top:32px}.prose h2{font-size:1.7rem}.prose{font-size:16px}.breadcrumb{padding-top:22px}.brand{font-size:1.2rem}.brand img{width:42px;height:42px}.brand small{font-size:9px}.header-inner{gap:10px}.mobile-nav summary{font-size:13px;padding:7px 12px}table,tbody,tr,td{display:block}thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}tr{border:1px solid var(--line);margin-bottom:15px;border-radius:12px;overflow:hidden}td{border:0;border-bottom:1px solid #c6d0bd;padding:13px 16px}td:last-child{border-bottom:0}td[data-label]:before{content:attr(data-label);display:block;font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:800;color:var(--muted);margin-bottom:4px}td:first-child{background:var(--mint)}.footer-links{gap:20px}.site-footer{padding:30px 0}.notice{padding:18px 20px}body:lang(ja) .hero h1{font-size:2.8rem}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}