/* OASIS MEMBERS ― 0円MVP の見た目（プロトタイプ v0.1 のデザイントークンを引き継ぐ） */
:root{
  --blue:#2F6FB0; --blue-deep:#1E4F86; --sky:#8FC7F0; --mist:#EAF4FC; --mist-2:#F6FAFE;
  --white:#FFFFFF; --ink:#1B2A3A; --ink-2:#5B6B7C; --ink-3:#9AA8B6; --line:#DCE8F3;
  --ok:#3BA776; --warn:#C0662B; --radius:18px; --shadow:0 10px 30px rgba(31,79,134,.12);
  --display:"Cormorant Garamond",Georgia,serif; --body:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic UI",sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--mist);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:460px;margin:0 auto;padding:18px 16px 48px}
.wrap.wide{max-width:760px}
.brand{font-family:var(--display);font-size:22px;letter-spacing:.22em;color:var(--blue-deep);font-weight:600;text-align:center;margin:18px 0 4px}
.brand small{display:block;font-family:var(--body);font-size:10px;letter-spacing:.3em;color:var(--ink-3);font-weight:500}
.panel{background:var(--white);border-radius:24px;box-shadow:var(--shadow);padding:22px 20px;margin-top:16px}
h1{font-family:var(--display);font-weight:600;font-size:26px;margin:4px 0 6px;text-wrap:balance}
h2{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--ink-2);margin:22px 0 8px}
p{margin:6px 0}
.sub{color:var(--ink-2);font-size:13.5px}
.field{display:flex;flex-direction:column;gap:6px;margin:12px 0}
.field label{font-size:12.5px;color:var(--ink-2);letter-spacing:.06em}
input,select{border:1px solid var(--line);border-radius:14px;padding:13px 14px;font-size:16px;font-family:var(--body);background:var(--mist-2);color:var(--ink);width:100%}
input:focus-visible,select:focus-visible,.btn:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:13px 20px;font-family:var(--body);font-size:15px;font-weight:700;cursor:pointer;background:var(--blue);color:#fff;width:100%;margin-top:8px}
.btn.ghost{background:var(--mist);color:var(--blue-deep)}
.btn.sm{width:auto;padding:8px 14px;font-size:13px;margin:0}
.btn:disabled{opacity:.55;cursor:default}
.msg{border-radius:14px;padding:11px 14px;font-size:13.5px;margin-top:12px}
.msg.err{background:#FDEDEA;color:#9B3522}
.msg.ok{background:#E4F5EC;color:#23704B}
.msg.info{background:var(--mist-2);border:1px solid var(--line);color:var(--ink-2)}
.hidden{display:none !important}
/* 会員証 */
.card{border-radius:22px;padding:20px;color:#fff;min-height:190px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;box-shadow:0 14px 34px rgba(31,79,134,.22)}
.card::after{content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.18)}
.card.SILVER{background:linear-gradient(135deg,#8E9BA8,#B7C3CF 55%,#E6ECF1)}
.card.GOLD{background:linear-gradient(135deg,#B8923F,#D6B25E 45%,#F1DFA6)}
.card.PLATINUM{background:linear-gradient(135deg,#6F8AA5,#9FB4C7 50%,#DCE7F0)}
.card.DIAMOND{background:linear-gradient(135deg,#2F6FB0,#7CCDE8 55%,#D7F1FA)}
.card.BLACK{background:linear-gradient(135deg,#0F1013,#25272E 60%,#4A4D57);color:#EBD9A6}
.card .rk{font-family:var(--display);font-size:25px;letter-spacing:.14em;font-weight:600}
.card .rk span{display:block;font-family:var(--body);font-size:10px;letter-spacing:.3em;opacity:.85}
.card .name{font-size:18px;font-weight:700}
.card .id{font-size:11.5px;letter-spacing:.14em;opacity:.92;font-variant-numeric:tabular-nums}
.stage{margin-top:14px;background:var(--mist-2);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center}
.ring{width:72px;height:72px;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring .c{fill:none;stroke:var(--line);stroke-width:7}
.ring .p{fill:none;stroke:var(--blue);stroke-width:7;stroke-linecap:round;transition:stroke-dashoffset .8s ease}
.ring em{position:absolute;inset:0;display:grid;place-items:center;font-style:normal;font-family:var(--display);font-size:19px;color:var(--blue-deep);font-weight:600}
.pt{text-align:center;padding:14px 0 4px}
.pt .n{font-family:var(--display);font-size:52px;color:var(--blue-deep);font-weight:600;line-height:1;font-variant-numeric:tabular-nums}
.pt .n small{font-family:var(--body);font-size:13px;letter-spacing:.2em;color:var(--ink-2);margin-left:6px}
.row{display:flex;gap:12px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:0}
.row .t{flex:1;min-width:0}
.row .t b{display:block;font-size:14px}
.row .t span{display:block;font-size:12px;color:var(--ink-2)}
.amt{font-family:var(--display);font-size:19px;font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.amt.plus{color:var(--blue)} .amt.minus{color:var(--ink-3)}
.pill{font-size:11px;padding:4px 10px;border-radius:999px;background:var(--mist);color:var(--blue-deep);font-weight:700;white-space:nowrap}
.bigpw{font-family:var(--display);font-size:46px;letter-spacing:.18em;text-align:center;color:var(--blue-deep);font-weight:600;margin:6px 0;font-variant-numeric:tabular-nums}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.kv{background:var(--mist-2);border:1px solid var(--line);border-radius:14px;padding:10px 12px}
.kv .l{font-size:11px;color:var(--ink-3);letter-spacing:.1em}
.kv .v{font-size:16px;font-weight:700;font-variant-numeric:tabular-nums}
.demo{background:#FFF6E5;border:1px dashed #D9A441;color:#7A5410;border-radius:14px;padding:8px 12px;font-size:12.5px;text-align:center}
/* メッセージ（DM） */
textarea{border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:16px;font-family:var(--body);background:var(--mist-2);color:var(--ink);width:100%;resize:vertical;line-height:1.6}
textarea:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
button.row{width:100%;background:none;border:0;border-bottom:1px solid var(--line);text-align:left;font:inherit;color:inherit;cursor:pointer}
button.row:last-child{border-bottom:0}
.row .t b small{font-weight:400;color:var(--ink-3)}
.dm-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.dm-head b{flex:1;text-align:center;font-size:16px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dm-messages{margin:14px 0 6px;max-height:55vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding:2px}
.bubble{max-width:82%;padding:10px 13px;border-radius:16px;font-size:14.5px;overflow-wrap:anywhere}
.bubble.theirs{align-self:flex-start;background:var(--mist);border-bottom-left-radius:6px}
.bubble.mine{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:6px}
.bubble .tag{font-size:10.5px;letter-spacing:.12em;opacity:.8;margin-bottom:2px}
.bubble .at{font-size:11px;opacity:.7;margin-top:4px}
.link{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
form.thanks{border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:6px}
form.thanks:last-child{border-bottom:0}
form.thanks .btn{margin-top:8px}
footer{text-align:center;color:var(--ink-3);font-size:11.5px;margin-top:22px}
@media (max-width:420px){.grid2{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){.ring .p{transition:none}}