:root{color-scheme:dark;--bg:#0d1e1d;--panel:#152c2c;--line:#6e856f66;--gold:#e9d198;--text:#e9eee2;--muted:#aac0b6;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 74% 5%,#254440 0,#102825 30%,#0b1b1b 75%);color:var(--text);line-height:1.6}.page-glow{pointer-events:none;position:fixed;inset:0;opacity:.24;background:repeating-linear-gradient(90deg,transparent 0,transparent 63px,#a8cfb00b 64px),radial-gradient(circle at 25% 62%,#9e9e5b22,transparent 36%)}a{color:var(--gold)}.site-header{position:relative;z-index:1;max-width:1050px;margin:auto;padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #8ca07c33}.brand{display:flex;gap:12px;align-items:center;color:#f4ecd5;text-decoration:none;font:22px Georgia,serif;letter-spacing:.08em}.brand img{width:42px;height:42px;filter:drop-shadow(0 0 12px #d2b66b77)}.brand small{display:block;font:10px system-ui,sans-serif;letter-spacing:.28em;color:#b7c8a7}.back-link{text-decoration:none;border:1px solid #7f96725e;border-radius:99px;padding:8px 14px;color:#d4e1cb;font-size:12px}main{position:relative;z-index:1;max-width:1050px;margin:0 auto;padding:34px 24px 60px}.purchase-hero{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,.8fr);gap:24px;align-items:center;margin-bottom:25px}.eyebrow{color:#b5c99b;letter-spacing:.25em;font-size:11px;font-weight:700}.hero-copy h1{font:clamp(34px,5vw,57px)/1.2 Georgia,"Yu Mincho",serif;letter-spacing:.08em;margin:13px 0;color:#f2e7cb}.hero-copy h1 em{font-style:normal;color:#e2bd74}.hero-copy p{max-width:640px;color:#c1d1c9;font-size:14px;line-height:1.9;margin:0}.balance-card{padding:25px;border:1px solid #d8ba7b85;border-radius:16px;background:linear-gradient(135deg,#315044,#172e30 65%);box-shadow:0 18px 42px #0005,inset 0 1px 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p{color:var(--muted);font-size:13px;margin:0 0 20px}.payment-tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 23px}.payment-tabs a{display:flex;flex-direction:column;gap:2px;padding:13px 17px;border:1px solid #75928070;border-radius:10px;background:#203a38;color:#d7e0d3;text-decoration:none}.payment-tabs a.active{border-color:#e6ca8a;background:#3b4a3b;box-shadow:inset 0 0 0 1px #eed59a44}.payment-tabs a strong{font-size:15px}.payment-tabs a small{color:#bed0b9;font-size:11px}.rates{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.rate{cursor:pointer;position:relative;display:block}.rate input{position:absolute;opacity:0;width:1px;height:1px}.rate-content{display:flex;flex-direction:column;min-height:110px;padding:17px;border:1px solid #778a78a0;border-radius:12px;background:linear-gradient(145deg,#25413d,#1a3332);transition:transform .16s,border-color .16s,box-shadow .16s}.rate:hover .rate-content{transform:translateY(-2px);border-color:#d4b778}.rate input:focus-visible+.rate-content{outline:3px solid #e5d195;outline-offset:3px}.rate input:checked+.rate-content{border-color:#efd693;box-shadow:inset 0 0 0 1px #efd693,0 0 20px #e9c87925;background:linear-gradient(135deg,#405141,#1d3b3a)}.rate-yen{font:16px Georgia,serif;color:#d7e0cd}.rate-content strong{font:31px Georgia,serif;color:#f3ddaa;margin:4px 0}.rate-content strong small{font:12px system-ui,sans-serif}.rate-extra{font-size:10px;color:#bce0b8}.consent{border:1px solid #64827275;border-radius:12px;padding:18px;margin:26px 0 21px}.consent legend{color:#e8d5a5;padding:0 7px;font-size:14px;font-weight:700}.consent p{margin:0 0 10px;color:#b9cabc;font-size:12px}.consent label{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:13px}.consent input{accent-color:#e1c47a;width:17px;height:17px;flex:none;margin:2px 0}.terms-check{border-top:1px solid #6d847044;margin-top:8px;padding-top:15px!important}.purchase-action{display:grid;gap:10px}.purchase-action button{border:1px solid #f6dfac;border-radius:10px;background:linear-gradient(120deg,#e5c47d,#f5dfa8);color:#20322a;font:700 16px system-ui,sans-serif;padding:15px 20px;cursor:pointer}.purchase-action button span{margin-left:7px}.purchase-action button:hover:not(:disabled){filter:brightness(1.07)}.purchase-action button:disabled{opacity:.45;cursor:not-allowed}.purchase-action small{color:#adbbb0;font-size:11px}.error,.unavailable{padding:12px 15px;border-radius:8px;font-size:13px}.error{background:#63392e;color:#ffded2}.unavailable{background:#404336;color:#e1d3a7}.bottom-note{display:flex;gap:12px;align-items:center;color:#a8bdaf;font-size:12px;margin:20px 2px}.bottom-note span{color:#ebd09a;font:25px Georgia,serif}.bottom-note p{margin:0}footer{max-width:1050px;margin:auto;padding:20px 24px 35px;border-top:1px solid #8ca07c33;display:flex;justify-content:space-between;gap:16px;font-size:12px}@media(max-width:700px){.site-header{padding:16px}.brand{font-size:17px}.brand img{width:34px;height:34px}.back-link{font-size:11px;padding:6px 9px}main{padding:25px 15px 45px}.purchase-hero{grid-template-columns:1fr}.hero-copy h1{font-size:39px}.balance-card{padding:17px}.balance-card strong{font-size:37px}.purchase-panel{padding:18px}.rates{grid-template-columns:repeat(2,minmax(0,1fr))}.rate-content{min-height:100px;padding:11px}.rate-content strong{font-size:25px}.payment-tabs a{padding:10px}.section-heading h2{font-size:24px}}@media(max-width:390px){.rates{grid-template-columns:1fr 1fr;gap:8px}.rate-content{padding:9px}.rate-content strong{font-size:22px}.brand small{font-size:8px}footer{flex-direction:column}}