*{box-sizing:border-box}:root{--bg:#fff;--fg:#0a0a0a;--mute:#4a4a4a;--line:#d9d9d9;--brand:#C8401F;--on:#fff;--card:#f6f6f6;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--bg:#0a0a0a;--fg:#f5f5f5;--mute:#b0b0b0;--line:#2e2e2e;--brand:#F2603D;--on:#151515;--card:#151515}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Segoe UI",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}.w{max-width:1080px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line)}header .w{display:flex;justify-content:space-between;align-items:center;height:64px}
.logo{font-weight:700;letter-spacing:.02em;text-decoration:none}.logo span{color:var(--mute);font-weight:400;margin-left:.4em}
nav a{margin-left:20px;font-size:.9rem;text-decoration:none;color:var(--mute)}nav a:hover,nav a[aria-current]{color:var(--fg)}
.hero{padding:96px 0 64px}.eyebrow{font-size:.85rem;letter-spacing:.06em;color:var(--mute);margin:0 0 20px}
h1{font-size:clamp(2.2rem,5.5vw,4rem);line-height:1.08;letter-spacing:-.02em;margin:0 0 24px;font-weight:700;max-width:16em}
.lead{font-size:1.2rem;color:var(--mute);max-width:36em;margin:0 0 36px}
.btn{display:inline-block;background:var(--brand);color:var(--on);padding:14px 26px;border-radius:6px;text-decoration:none;font-weight:600}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.req{display:block;margin-top:14px;font-size:.9rem;color:var(--mute)}
figure{margin:56px 0 0}figure img{width:100%;height:auto;display:block;border:1px solid var(--line);border-radius:10px}figcaption{font-size:.85rem;color:var(--mute);margin-top:10px}
section{padding:72px 0;border-top:1px solid var(--line)}h2{font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 32px;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.grid>div{background:var(--bg);padding:28px}.grid h3{margin:0 0 10px;font-size:1.05rem}.grid p{margin:0;color:var(--mute);font-size:.95rem}

.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.plan{border:1px solid var(--line);padding:28px;border-radius:8px}.plan.pro{border-color:var(--fg)}.plan h3{margin:0 0 8px;font-size:1rem}
.amt{font-size:2.2rem;font-weight:700;letter-spacing:-.02em}.amt small{font-size:1rem;color:var(--mute);font-weight:400}.plan p{color:var(--mute);margin:8px 0 0;font-size:.95rem}
dl{margin:0}dt{font-weight:600;margin-top:28px}dd{margin:6px 0 0;color:var(--mute);max-width:46em}
footer{border-top:1px solid var(--line);padding:32px 0;font-size:.9rem;color:var(--mute)}footer a{margin-right:20px}
.doc{max-width:720px;padding:64px 24px}.doc h1{font-size:2.4rem}.doc h2{text-transform:none;letter-spacing:0;font-size:1.15rem;color:var(--fg);margin:40px 0 8px}.doc p{color:var(--mute)}

@media(max-width:720px){.hero{padding:56px 0 40px}.two{grid-template-columns:1fr;gap:24px}nav a{margin-left:12px}section{padding:48px 0}}
.hero figure img{max-width:744px}.two>*{min-width:0}picture{display:block}.hero.w{padding-left:24px;padding-right:24px}@media(max-width:480px){nav a:not(:last-child){display:none}}
h1{word-break:auto-phrase}.nw{white-space:nowrap}.badge{display:inline-block;margin-left:8px;padding:1px 8px;border:1px solid var(--fg);border-radius:999px;font-size:.72rem;font-weight:600;vertical-align:2px}
nav a,footer a{display:inline-flex;align-items:center;min-height:44px;padding:0 6px}footer .w{display:flex;flex-wrap:wrap;align-items:center;column-gap:16px}footer a{margin-right:0}nav a{margin-left:8px}
.prod{border:1px solid var(--fg);border-radius:8px;padding:28px;max-width:640px}.prod h3{margin:0 0 4px;font-size:1.4rem}.prod .jp{color:var(--mute);font-weight:400;margin-left:.4em;font-size:1rem}.prod ul{list-style:none;padding:0;margin:16px 0 24px;display:flex;flex-wrap:wrap;gap:8px 24px;font-weight:600}.mail{display:inline-flex;align-items:center;min-height:44px;font-size:1.1rem}.btn{min-height:44px}:root{--brand:#0a0a0a;--on:#fff}@media(prefers-color-scheme:dark){:root{--brand:#f5f5f5;--on:#0a0a0a}}