:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif; color: #f6f1e5; background: #11110f; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(ellipse at 50% -15%, #333026 0%, #171715 42%, #0c0d0c 100%); }
.shell { width: min(100% - 36px, 560px); margin: 0 auto; padding: 50px 0 38px; }
.page-header { margin: 0 0 27px; }
.eyebrow { font-size: 11px; letter-spacing: .18em; color: #cbb77f; font-weight: 700; }
.eyebrow span { color: #786944; padding: 0 5px; }
h1 { font-size: clamp(25px, 5.4vw, 32px); line-height: 1.3; margin: 13px 0 9px; letter-spacing: .04em; }
.page-header p { margin: 0; color: #d1ccbf; font-size: 15px; line-height: 1.7; }
.member[hidden], .invalid[hidden] { display: none; }
.card { position: relative; overflow: hidden; aspect-ratio: 856 / 540; border: 1px solid #514a37; border-radius: 13px; box-shadow: 0 20px 48px #0009, 0 1px 0 #d5bd7626 inset; background: linear-gradient(141deg, #171817 0%, #0d0e0e 47%, #181918 47.3%, #0b0c0b 75%); }
.arc { position: absolute; pointer-events: none; border-radius: 50%; width: 120%; height: 110%; left: 39%; top: -85%; transform: rotate(23deg); }
.arc-one { border: 12px solid #b5964e; box-shadow: 0 0 0 3px #e6cb86 inset; }
.arc-two { left: 52%; top: -88%; border: 2px solid #d4ba7c; opacity: .72; }
.card-inner { position: absolute; inset: 10% 8%; display: flex; flex-direction: column; align-items: flex-start; }
.logo { display: block; width: 31%; max-height: 25%; object-fit: contain; object-position: left center; }
.card-title { margin-top: auto; color: #e5c775; font-family: Arial, sans-serif; font-weight: 700; line-height: 1.09; font-size: clamp(20px, 6.4vw, 37px); letter-spacing: .02em; }
.card-title p { font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", sans-serif; font-size: clamp(11px, 3vw, 16px); font-weight: 400; color: #f2ebda; letter-spacing: .08em; margin: 8px 0 0; }
.divider { height: 1px; width: 70px; margin-top: auto; background: #c3a050; }
.branch { margin: 9px 0 0; font-size: clamp(10px, 2.8vw, 14px); color: #e1d9c7; letter-spacing: .08em; }
.details { margin: 20px 0 0; padding: 3px 20px; background: #f4f0e7; color: #23211c; border-radius: 10px; }
.details div { display: grid; grid-template-columns: 90px 1fr; align-items: baseline; gap: 12px; padding: 15px 0; }
.details div + div { border-top: 1px solid #d8d0bf; }
.details dt { font-size: 13px; color: #635d50; }
.details dd { margin: 0; font-size: 18px; line-height: 1.4; font-weight: 650; overflow-wrap: anywhere; }
.legacy-note { margin: 16px 0 25px; padding: 16px; border: 1px solid #b89a59; border-radius: 9px; background: #29251c; }
.legacy-note strong { color: #f1ddab; font-size: 14px; }
.legacy-note p { color: #e4ddce; font-size: 13px; line-height: 1.7; margin: 7px 0 8px; }
.legacy-note a, .invalid a { color: #f1d990; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.legacy-note a:focus-visible, .invalid a:focus-visible { outline: 3px solid #e2c474; outline-offset: 4px; }
.save-note { border-left: 2px solid #c4a55d; padding: 1px 0 1px 16px; }
.save-note h2 { color: #e5cf96; font-size: 15px; margin: 0 0 6px; }
.save-note p, .privacy { color: #cbc6ba; font-size: 13px; line-height: 1.8; margin: 0; }
.privacy { margin-top: 23px; }
.invalid { padding: 30px 25px; border: 1px solid #61583e; background: #201f1a; border-radius: 12px; }
.invalid-icon { color: #d8bd79; font-size: 27px; }
.invalid h2 { font-size: 19px; margin: 12px 0; }
.invalid p, .no-script { color: #ded8ca; font-size: 15px; line-height: 1.8; }
footer { margin-top: 38px; color: #aaa395; font-size: 12px; letter-spacing: .05em; }
@media (max-width: 360px) { .shell { width: calc(100% - 28px); padding-top: 34px; } .details div { grid-template-columns: 75px 1fr; } .details dd { font-size: 16px; } }