:root{--bg:#fbfaf7;--bg-2:#f3f1ea;--ink:#1d1d1f;--ink-2:#55555c;--line:#e2dfd5;--accent:#2c4f86;--accent-ink:#ffffff;--accent-soft:#e6ecf6;--mark:#c8501e;--radius:12px;--max:42rem;--wide:64rem;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--bg:#131417;--bg-2:#1b1d21;--ink:#ebe9e4;--ink-2:#a9a8a3;--line:#2d3036;--accent:#8fb3ef;--accent-ink:#0f1a2e;--accent-soft:#1d2a40;--mark:#f08a5d}}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--font);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}main{flex:1 0 auto}img,svg{max-width:100%;height:auto}a{color:var(--accent);text-underline-offset:0.18em;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}strong{font-weight:650}hr{border:0;border-top:1px solid var(--line);margin:3rem 0}.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--bg);padding:.5rem 1rem;z-index:10}.skip:focus{left:1rem;top:1rem}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.25rem}.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.site-header .wrap-wide{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:3.75rem}.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;letter-spacing:-0.01em;color:var(--ink);text-decoration:none;font-size:1.125rem}.brand-mark{width:1.6rem;height:1.6rem}.nav{display:flex;align-items:center;gap:1.1rem;font-size:.95rem;white-space:nowrap}.nav a{color:var(--ink-2);text-decoration:none}.nav a:hover,.nav a[aria-current="page"]{color:var(--ink);text-decoration:underline}.nav .nav-hide{display:none}@media (min-width:40rem){.nav .nav-hide{display:inline}}.nav a.btn-sm{color:var(--accent-ink);background:var(--accent);padding:.38rem .8rem;border-radius:999px;text-decoration:none;font-weight:600}h1,h2,h3{line-height:1.2;letter-spacing:-0.015em;text-wrap:balance}h1{font-size:clamp(2rem,6.2vw,3.1rem);font-weight:750;margin:0 0 1.25rem}h2{font-size:clamp(1.5rem,4vw,1.95rem);font-weight:700;margin:0 0 1rem}h3{font-size:1.15rem;font-weight:650;margin:1.75rem 0 .5rem}p{margin:0 0 1rem}ul,ol{padding-left:1.25rem;margin:0 0 1rem}li{margin:.35rem 0}.lede{font-size:1.15rem;color:var(--ink-2)}.lede strong{color:var(--ink);font-weight:600}.small{font-size:.9rem;color:var(--ink-2)}.kicker{display:inline-flex;align-items:center;gap:.45rem;font:600 .78rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.9rem}.kicker::before{content:"";width:.5rem;height:.5rem;background:var(--mark);border-radius:2px}section{padding:3.5rem 0}section + section{border-top:1px solid var(--line)}.hero{padding:4rem 0 3.5rem}@media (min-width:48rem){.hero{padding:6rem 0 4.5rem}section{padding:4.5rem 0}}.band{background:var(--bg-2)}.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1rem;margin:1.75rem 0 1rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.3rem;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-weight:650;text-decoration:none;border:2px solid var(--accent);font-size:1rem;cursor:pointer;font-family:inherit}.btn:hover{filter:brightness(1.08);text-decoration:none}.btn-ghost{background:transparent;color:var(--accent)}.btn .arrow{transition:transform .15s ease}.btn:hover .arrow{transform:translateX(3px)}.stats{list-style:none;padding:0;display:grid;gap:1rem;margin:1.5rem 0}.stats li{margin:0;padding:1.1rem 1.2rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg)}.band .stats li{background:var(--bg)}.cite{font-size:.9rem;color:var(--ink-2)}.steps{list-style:none;padding:0;margin:2rem 0 0;counter-reset:step}.steps > li{position:relative;padding:0 0 2rem 3.25rem;margin:0}.steps > li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-.1rem;width:2.2rem;height:2.2rem;display:grid;place-items:center;font:700 .95rem/1 var(--mono);color:var(--accent);background:var(--accent-soft);border:2px solid var(--accent);border-radius:8px}.steps > li::after{content:"";position:absolute;left:1.05rem;top:2.3rem;bottom:.2rem;width:2px;background:repeating-linear-gradient(var(--line) 0 6px,transparent 6px 10px)}.steps > li:last-child{padding-bottom:0}.steps > li:last-child::after{display:none}.steps > li.restart::before{content:"↻";color:var(--mark);border-color:var(--mark);background:transparent;font-size:1.15rem}.steps h3{margin:0 0 .35rem}.tag{display:inline-block;font:600 .7rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:.3rem .55rem;margin-left:.35rem;vertical-align:.15em}.checks{list-style:none;padding:0}.checks li{position:relative;padding-left:1.9rem}.checks li::before{content:"";position:absolute;left:.1rem;top:.42rem;width:1rem;height:1rem;border-radius:4px;background:var(--accent-soft);border:2px solid var(--accent)}.checks li::after{content:"";position:absolute;left:.45rem;top:.58rem;width:.3rem;height:.55rem;border:solid var(--accent);border-width:0 2px 2px 0;transform:rotate(45deg)}.crosses li::before{background:transparent;border-color:var(--line)}.crosses li::after{content:"–";border:0;transform:none;left:.42rem;top:.05rem;width:auto;height:auto;color:var(--ink-2);font-weight:700}.feature{border:1px solid var(--line);border-radius:calc(var(--radius) + 4px);padding:1.5rem 1.25rem;background:var(--bg)}@media (min-width:40rem){.feature{padding:2rem 2rem}}.wave{display:flex;align-items:center;gap:3px;height:2rem;margin:0 0 1.25rem}.wave i{display:block;width:4px;border-radius:2px;background:var(--accent);opacity:.85}.cols{display:grid;gap:1.5rem}@media (min-width:46rem){.cols{grid-template-columns:1fr 1fr;gap:2.5rem}}.cols h3{margin-top:0}.about-head{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}.plans{display:grid;gap:1rem;margin:1.5rem 0}@media (min-width:46rem){.plans{grid-template-columns:1fr 1fr}}.plan{border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem 1.3rem;background:var(--bg);display:flex;flex-direction:column}.plan.featured{border:2px solid var(--accent)}.plan h3{margin:0 0 .25rem;display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;flex-wrap:wrap}.plan .badge{font:600 .7rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent);padding:.3rem .5rem;border-radius:999px}.price{font-size:2.4rem;font-weight:750;letter-spacing:-0.02em;line-height:1.1;margin:.75rem 0 .25rem}.price small{font-size:1rem;font-weight:500;color:var(--ink-2);letter-spacing:0}.plan dl{margin:1rem 0 0;display:grid;gap:.6rem;font-size:.95rem}.plan dt{font:600 .72rem/1.2 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2)}.plan dd{margin:.15rem 0 0}.faq details{border-bottom:1px solid var(--line);padding:.25rem 0}.faq details:first-of-type{border-top:1px solid var(--line)}.faq summary{cursor:pointer;list-style:none;padding:.9rem 2rem .9rem 0;font-weight:650;position:relative;font-size:1.05rem}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";position:absolute;right:.25rem;top:50%;transform:translateY(-50%);font:500 1.35rem/1 var(--mono);color:var(--ink-2)}.faq details[open] summary::after{content:"−"}.faq details > div{padding:0 0 1rem;color:var(--ink)}.closing{text-align:left}.form{display:grid;gap:1.35rem;margin:2rem 0}.field label{display:block;font-weight:650;margin-bottom:.3rem}.field .hint{display:block;font-size:.88rem;color:var(--ink-2);margin:-.1rem 0 .45rem}.field .opt{font-weight:400;color:var(--ink-2);font-size:.9rem}input[type=text],input[type=email],select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:10px;padding:.7rem .8rem}textarea{min-height:7rem;resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.hp{position:absolute !important;left:-10000px;width:1px;height:1px;overflow:hidden}.notice{border-left:3px solid var(--accent);background:var(--accent-soft);padding:.9rem 1rem;border-radius:0 10px 10px 0;font-size:.95rem}.notice p:last-child{margin:0}.errors{border-left-color:var(--mark)}.prose h2{margin-top:2.5rem;font-size:1.45rem}.prose h3{margin-top:1.75rem}.prose blockquote{margin:1.25rem 0;padding:.25rem 0 .25rem 1rem;border-left:3px solid var(--line);color:var(--ink-2)}.prose code{font:.9em var(--mono);background:var(--bg-2);padding:.1rem .3rem;border-radius:4px}.prose pre{background:var(--bg-2);padding:1rem;border-radius:10px;overflow-x:auto}.prose pre code{background:none;padding:0}.prose table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--line);padding:.5rem .6rem;text-align:left;vertical-align:top}.page-head{padding:3rem 0 1rem}.meta{font:.85rem/1.4 var(--mono);color:var(--ink-2)}.guide-list{list-style:none;padding:0;margin:1.5rem 0}.guide-list li{border-top:1px solid var(--line);padding:1.25rem 0;margin:0}.guide-list li:last-child{border-bottom:1px solid var(--line)}.guide-list a{font-weight:650;font-size:1.15rem;text-decoration:none;color:var(--ink)}.guide-list a:hover{color:var(--accent);text-decoration:underline}.guide-list p{margin:.3rem 0 0;color:var(--ink-2)}.sample-flag{font:600 .7rem/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--mark);border:1px solid currentColor;padding:.2rem .4rem;border-radius:4px;margin-left:.4rem;vertical-align:.2em}.legal{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem}.legal th,.legal td{text-align:left;vertical-align:top;padding:.9rem .25rem;border-top:1px solid var(--line)}.legal th{width:34%;font-weight:650;padding-right:1rem}.legal th span,.legal td .en{display:block;color:var(--ink-2);font-weight:400;font-size:.88rem;margin-top:.25rem}@media (max-width:34rem){.legal th,.legal td{display:block;width:100%;padding:.2rem 0;border:0}.legal tr{display:block;border-top:1px solid var(--line);padding:.8rem 0}}.site-footer{border-top:1px solid var(--line);padding:2rem 0 2.5rem;margin-top:2rem;font-size:.9rem;color:var(--ink-2)}.site-footer .wrap-wide{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between}.site-footer nav{display:flex;flex-wrap:wrap;gap:.5rem 1.1rem}.site-footer a{color:var(--ink-2)}.center{text-align:center;padding:5rem 0}.big{font:750 clamp(3.5rem,14vw,6rem)/1 var(--mono);color:var(--accent);margin:0 0 1rem;letter-spacing:-0.04em}