:root{--ink:#12303a;--teal:#0b5e63;--coral:#c8371f;--paper:#edf2f1;--panel:#fff;--panel-soft:#f6f9f8;--line:#bfd3d6;--line-strong:#9db8bc;--band:#e2ebea;--on-dark:#d5e3e4;--display:"Zen Kaku Gothic New", sans-serif;--body:"IBM Plex Sans JP", sans-serif;--mono:"IBM Plex Mono", monospace}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font:400 16px/1.8 var(--body);overflow-wrap:anywhere;margin:0}a{color:var(--teal)}a:hover{color:var(--ink)}a:focus-visible,button:focus-visible{outline:3px solid var(--coral);outline-offset:2px}img{max-width:100%;height:auto}h1,h2,h3{font-family:var(--display);text-wrap:pretty;margin:0;font-weight:900;line-height:1.35}.wrap{max-width:1200px;margin:0 auto;padding-inline:24px}.narrow{max-width:780px}.skip{position:absolute;left:-9999px}.skip:focus{z-index:10;background:var(--panel);padding:8px;top:8px;left:8px}.site-header{background:var(--panel);border-bottom:1px solid var(--line)}.site-header__row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 32px;padding-block:14px;display:flex}.brand{font:900 22px var(--display);color:var(--ink);letter-spacing:.02em;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.brand__title{width:auto}.site-nav{flex-wrap:wrap;gap:4px 24px;font-size:15px;font-weight:500;display:flex}.site-nav a{color:var(--ink)}.site-nav a[aria-current]{color:var(--coral)}.pr-note{background:var(--band);text-align:center;margin:0;padding:4px 24px;font-size:13px}.site-footer{background:var(--panel);border-top:1px solid var(--line);margin-top:56px}.site-footer__grid{flex-wrap:wrap;justify-content:space-between;gap:16px 48px;padding-block:32px;font-size:14px;display:flex}.site-footer__grid p{max-width:560px;margin:4px 0 0}.site-footer__name{font:900 18px var(--display)}.site-footer__nav{grid-template-columns:repeat(2,auto);align-content:start;gap:4px 24px;display:grid}.hero{position:relative;overflow:hidden}.hero--image{background:var(--hero-image) right center / cover no-repeat}.hero__inner{flex-direction:column;gap:32px;padding-block:56px 40px;display:flex}.hero__copy{flex-direction:column;gap:12px;max-width:800px;display:flex}.hero h1{letter-spacing:-.01em;font-size:clamp(34px,5.4vw,60px);line-height:1.22}.hero p{max-width:640px;margin:0;font-size:18px}.ledger-box{background:var(--panel);border:2px solid var(--ink)}.ledger-box__title{text-align:center;border-bottom:2px solid var(--ink);font:900 18px var(--display);padding:10px 16px}.ledger-box__row{flex-wrap:wrap;display:flex}.ledger-box__side{flex-direction:column;flex:420px;gap:20px;min-width:0;padding:24px;display:flex}.ledger-box__side--left{border-right:2px solid var(--ink);margin-right:-2px}.ledger-box__side--right{background:var(--panel-soft);gap:16px}.ledger-box__head{font:600 13px var(--mono);justify-content:space-between;display:flex}.ledger-box h2{font-size:28px}.ledger-box p{margin:0}.ledger-box dl{grid-template-columns:auto minmax(0,1fr);gap:6px 16px;margin:0;font-size:15px;display:grid}.ledger-box dt{font-weight:700}.ledger-box dd{margin:0}fieldset{border:0;min-width:0;margin:0;padding:0}legend{padding:0 0 8px;font-weight:700}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--line-strong);background:var(--panel);min-height:44px;color:var(--ink);font:500 15px var(--body);cursor:pointer;padding:0 16px}.chip:hover{border-color:var(--ink)}.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.cta{background:var(--coral);color:#fff;justify-content:center;align-items:center;min-height:48px;padding:0 22px;font-weight:700;text-decoration:none;display:inline-flex}.cta:hover{background:var(--ink);color:#fff}.cta--small{white-space:nowrap;min-height:44px;padding:0 14px;font-size:14px}.actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.section{padding-block:0 48px}.section>h2,.section-title{margin-bottom:16px;font-size:30px}.ways{background:var(--ink);border:2px solid var(--ink);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2px;display:grid}.way{background:var(--panel);flex-direction:column;gap:10px;min-width:0;padding:20px;display:flex}.way h3{font-size:20px}.way a{border-top:1px solid var(--line);min-height:44px;color:var(--ink);justify-content:space-between;align-items:center;font-size:15px;font-weight:500;text-decoration:none;display:flex}.way a:hover{color:var(--coral)}.doors{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;display:grid}.door{background:var(--panel);color:var(--ink);border-top:3px solid var(--ink);flex-direction:column;gap:10px;padding:24px;text-decoration:none;display:flex}.door:hover{background:var(--ink);color:#fff}.door img{width:96px}.door strong{font:900 24px var(--display)}.door span{font-size:15px}.band{background:var(--ink);color:#fff}.band--image{background:var(--ink) var(--band-image) center / cover no-repeat}.band__row{flex-wrap:wrap;gap:32px 56px;padding-block:56px;display:flex}.band__copy{flex-direction:column;flex:320px;gap:12px;min-width:0;display:flex}.band__copy h2{font-size:34px;line-height:1.3}.band__copy p{color:var(--on-dark);margin:0}.band__table{flex:2 560px;min-width:0;overflow-x:auto}.band table{border-collapse:collapse;width:100%;min-width:520px;font-size:15px}.band caption{text-align:left;color:var(--on-dark);padding-bottom:8px;font-size:13px}.band th{text-align:left;border-bottom:1px solid #6f8e94;padding:8px 16px 8px 0;font-weight:500}.band td{border-bottom:1px solid #3b5862;padding:10px 16px 10px 0}.band a{color:#fff}.page-head{flex-wrap:wrap;align-items:flex-start;gap:24px 48px;padding-block:40px 28px;display:flex}.page-head__copy{flex-direction:column;flex:3 520px;gap:12px;min-width:0;display:flex}.page-head h1{font-size:clamp(30px,4.4vw,46px);line-height:1.28}.page-head p{max-width:640px;margin:0;font-size:17px}.crumb{font-size:14px;font-weight:500}.summary{background:var(--ink);color:#fff;flex-direction:column;flex:2 320px;gap:8px;min-width:0;padding:24px;display:flex}.summary__head{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.summary h2{font-size:18px}.summary__time{color:var(--on-dark);white-space:nowrap;font-size:13px}.summary ul{flex-direction:column;gap:4px;margin:0;padding-left:20px;font-size:15px;display:flex}.summary__who{color:var(--on-dark);margin:4px 0 0;font-size:14px}.stamp{border:2px solid var(--coral);width:96px;height:96px;color:var(--coral);font:600 12px/1.35 var(--mono);border-radius:50%;flex-direction:column;flex:none;justify-content:center;align-items:center;display:flex;transform:rotate(-6deg)}.stamp b{border-block:1px solid var(--coral);padding:1px 4px;font-size:14px;font-weight:600}.stamp--image{background:var(--stamp-image) center / contain no-repeat;border:0}.chapters{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:32px;display:grid}.chapter{background:var(--panel);border-top:3px solid var(--ink);color:var(--ink);padding:14px 16px;font-size:15px;font-weight:700;text-decoration:none}.chapter:hover{background:var(--ink);color:#fff}.flow{background:var(--panel);border:2px solid var(--ink);margin:0 0 32px}.flow figcaption{border-bottom:2px solid var(--ink);font:900 17px var(--display);padding:10px 16px}.flow ol{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin:0;padding:0;list-style:none;display:grid}.flow li{border-right:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;gap:4px;padding:16px;display:flex}.flow__no{font:600 14px var(--mono);color:var(--coral)}.flow strong{font-size:16px}.flow span:last-child{font-size:14px}.prose{min-width:0}.prose h2{border-top:3px solid var(--ink);margin:40px 0 12px;padding-top:12px;scroll-margin-top:16px;font-size:26px}.prose h3{margin:28px 0 8px;font-size:20px}.prose p{margin:0 0 16px}.prose ul,.prose ol{margin:0 0 16px;padding-left:24px}.prose li{margin-bottom:4px}.prose blockquote{border-left:4px solid var(--line-strong);background:var(--panel);margin:0 0 16px;padding:12px 16px}.prose table{border-collapse:collapse;background:var(--panel);border:2px solid var(--ink);width:100%;margin:0 0 8px;font-size:15px;display:block;overflow-x:auto}.prose th{background:var(--band);text-align:left;white-space:nowrap}.prose th,.prose td{border-bottom:1px solid var(--line);vertical-align:top;padding:10px 14px}.prose .footnotes{margin-top:48px;font-size:14px}.prose .footnotes h2{font-size:20px}.prose sup a{font-family:var(--mono);font-weight:600;text-decoration:none}.layout{grid-template-columns:minmax(0,1fr);display:grid}.notes{grid-template-columns:auto minmax(0,1fr);gap:2px 16px;margin:8px 0 24px;font-size:14px;display:grid}.notes dt{font-weight:700}.notes dd{margin:0}.table-box{background:var(--panel);border:2px solid var(--ink);position:relative;overflow-x:auto}.compare-table{border-collapse:collapse;width:100%;min-width:1080px;font-size:15px}.compare-table caption,.visually-hidden{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.compare-table thead tr{border-bottom:2px solid var(--ink);background:var(--band);text-align:left}.compare-table th,.compare-table td{vertical-align:top;padding:14px 10px}.compare-table td{min-width:6.5em;font-size:14px}.compare-table td.compare-table__go{min-width:0}.compare-table tbody tr{border-bottom:1px solid var(--line)}.compare-table tbody th{text-align:left;white-space:nowrap}.compare-table td small{font-family:var(--mono);font-size:12px;display:block}.cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}.card{background:var(--panel);border-top:3px solid var(--ink);color:var(--ink);flex-direction:column;gap:6px;padding:16px;text-decoration:none;display:flex}a.card:hover{background:var(--ink);color:#fff}.card--alert{border-top-color:var(--coral)}.card strong{font-weight:700;line-height:1.5}.card span{font-size:15px}.card time{font:500 13px var(--mono)}.card img{width:100%}.service-cta{background:var(--panel);border:2px solid var(--ink);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;margin-block:32px;padding:20px;display:flex}.service-cta p{flex:320px;margin:0}.ad-note{font-size:13px}.next-band{background:var(--ink);color:#fff}.next-band__row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 48px;padding-block:40px;display:flex}.next-band h2{font-size:26px}.next-band p{color:var(--on-dark);margin:4px 0 0}.next-band .cta:hover{color:var(--ink);background:#fff}[hidden]{display:none!important}@media (width<=760px){.table-box{background:0 0;border:0;overflow-x:visible}.compare-table{min-width:0;display:block}.compare-table thead{display:none}.compare-table tbody{flex-direction:column;gap:12px;display:flex}.compare-table tbody tr{background:var(--panel);border:2px solid var(--ink);padding:12px 16px;display:block}.compare-table tbody th{white-space:normal;padding:0 0 8px;font-size:17px;display:block}.compare-table td{border-top:1px solid var(--line);grid-template-columns:7em minmax(0,1fr);gap:0 12px;padding:6px 0;display:grid}.compare-table td:before{content:attr(data-label);font-size:14px;font-weight:700}.compare-table td small{grid-column:2}.compare-table td.compare-table__go{padding-top:12px;display:block}.compare-table td.compare-table__go .cta{width:100%}.band table{min-width:0;font-size:14px}.chapters{grid-template-columns:1fr 1fr;gap:8px}.chapter{padding:10px 12px;font-size:14px}}.prose table{background:linear-gradient(to right, var(--panel) 30%, transparent) left / 32px 100% no-repeat local, linear-gradient(to left, var(--panel) 30%, transparent) right / 32px 100% no-repeat local, radial-gradient(farthest-side at 0 50%, #12303a40, transparent) left / 12px 100% no-repeat scroll, radial-gradient(farthest-side at 100% 50%, #12303a40, transparent) right / 12px 100% no-repeat scroll, var(--panel)}@media (width<=640px){.ledger-box__side--left{border-right:0;border-bottom:2px solid var(--ink);margin-right:0}.site-footer__nav{grid-template-columns:1fr 1fr}.hero--image{background-image:var(--hero-image-mobile);background-position:bottom}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}