:root{--ink:#183044;--sub:#4f6878;--line:#dce6ed;--bg:#f3f7fa;--navy:#153e62;--teal:#136d69;--light:#e6f2ef;--error:#813b30;color-scheme:light}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;color:var(--ink);background:var(--bg);font:16px/1.55 system-ui,-apple-system,"Malgun Gothic",sans-serif;word-break:keep-all;overflow-wrap:anywhere}
button,input,a{font:inherit}button,a,input{touch-action:manipulation}
button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}a{color:var(--teal)}
:focus-visible{outline:3px solid #208d9d;outline-offset:3px}
[hidden]{display:none!important}
.membership-header{background:#fff;border-bottom:1px solid var(--line)}
.membership-header-inner{max-width:1060px;min-height:74px;padding:12px 32px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.association{display:flex;align-items:center;gap:12px;font-weight:710;font-size:15px}
.membership-mark{padding:7px 10px;border-radius:8px;background:var(--navy);font-size:16px;color:white;font-weight:780;letter-spacing:.045em}
.membership-header a{font-size:14px;text-decoration:none;font-weight:600;color:var(--sub)}
.membership-header a:focus-visible,.membership-header a:hover,.member-link:hover{text-decoration:underline}
.membership-layout{max-width:1015px;margin:0 auto;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,7vw,100px);align-items:start;padding:clamp(44px,8vh,90px) 32px 60px}
.membership-intro{padding:29px 0}
.service-label{display:inline-block;margin:0 0 14px;padding:4px 10px;color:#145e59;background:#dfeee9;border-radius:20px;font-size:13px;font-weight:740}
h1,h2,p{margin:0}.membership-intro h1{font-size:clamp(34px,4.5vw,50px);letter-spacing:-.07em;line-height:1.18}
.service-description{margin-top:17px;color:var(--sub);font-size:17px;line-height:1.7}
.membership-steps{padding:0;margin:33px 0 0;list-style:none;display:grid;gap:18px}
.membership-steps li{display:flex;gap:12px;align-items:flex-start}
.membership-steps li>span{flex:0 0 29px;height:29px;display:grid;place-items:center;border:1px solid #c3d6da;border-radius:50%;background:#fff;color:#2d6166;font-size:14px;font-weight:700}
.membership-steps strong,.membership-steps small{display:block}
.membership-steps strong{font-size:15px;font-weight:690}.membership-steps small{font-size:13px;color:var(--sub);margin-top:1px}
.membership-card{min-width:0;background:white;border:1px solid var(--line);border-radius:17px;padding:30px 32px 28px;box-shadow:0 12px 36px #153e620a}
.member-nav{display:flex;background:#edf3f5;border-radius:10px;padding:4px;gap:4px;margin:0 0 25px}
.member-nav button{width:50%;min-height:42px;border:0;border-radius:7px;color:#4c6676;background:transparent;font-size:15px;font-weight:670}
.member-nav button[aria-pressed=true]{background:white;color:var(--navy);box-shadow:0 1px 4px #18304416}
.form-label{margin:0 0 5px;color:var(--teal);font-size:12px;font-weight:750}
.membership-card h2{font-size:26px;letter-spacing:-.045em;line-height:1.35}
.membership-description{color:var(--sub);font-size:15px;line-height:1.55;margin:7px 0 20px}
.member-form{display:grid;gap:15px}.member-field{display:flex;flex-direction:column;gap:5px;font-size:14px;font-weight:680}
.member-field input{display:block;width:100%;min-width:0;min-height:46px;border:1px solid #bacbd5;border-radius:8px;color:var(--ink);background:#fff;padding:9px 11px;font-size:16px}
.member-field input::placeholder{color:#6a7c88;font-weight:400}
.member-field input:focus{outline:2px solid #16837f;outline-offset:1px;border-color:transparent}
.member-field small{font-size:12px;color:var(--sub);font-weight:450}
.password-row{display:flex;align-items:center;position:relative}.password-row input{padding-right:56px}
.password-row button{position:absolute;inset-inline-end:4px;min-height:40px;padding:4px 9px;background:transparent;border:0;color:var(--sub);font-size:13px;font-weight:650}
.member-action{width:100%;border:0;border-radius:9px;background:var(--teal);color:#fff;font-weight:700;min-height:47px;padding:10px 16px;text-align:center;text-decoration:none;display:block}
.member-action:not(:disabled):hover{background:#0f5956}.member-action:disabled{background:#56756f}
.member-actions{display:grid;gap:9px;margin-top:16px}.member-inline{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;margin-top:13px}
.member-link{border:0;background:none;padding:5px 0;text-decoration:none;color:var(--teal);font-size:14px;font-weight:630;min-height:37px}
.member-secondary{background:#fff;border:1px solid #b7c9cc;color:var(--teal);border-radius:8px;min-height:44px;font-size:15px;text-align:center;padding:9px 12px;text-decoration:none}
.member-detail{margin-top:19px;border-top:1px solid var(--line);padding-top:14px;font-size:14px}.member-detail>summary{cursor:pointer;font-weight:650;color:var(--sub)}
.member-detail p{padding:8px 0 0;color:var(--sub)}.member-detail a{display:inline-block;margin-top:3px}
.member-legacy-help{margin:0 0 16px;padding:11px 13px;background:#eef5f3;border-radius:8px;font-size:14px;color:var(--sub)}.member-legacy-help a{display:inline-block;margin-top:5px}
.notice{padding:9px 12px;border-radius:8px;margin:0 0 13px;font-size:14px}.hint{color:#65440c;background:#fff6de}.error{color:var(--error);background:#fff0eb;border:1px solid #ecc7bc}
.progress{font-size:13px;color:var(--sub);margin-top:10px}.progress:empty{display:none}
@media(max-width:700px){.membership-header-inner{min-height:57px;padding:9px 16px}.association{font-size:13px;gap:8px}.membership-mark{font-size:14px;padding:5px 8px}.membership-header a{font-size:12px}.membership-layout{display:block;max-width:500px;padding:21px 14px 45px}.membership-intro{padding:4px 3px 19px}.service-label{font-size:11px;margin-bottom:7px}.membership-intro h1{font-size:31px}.service-description{margin:6px 0 0;font-size:14px}.desk-only,.membership-steps{display:none}.membership-card{padding:21px 18px;border-radius:13px}.member-nav{margin-bottom:19px}.membership-card h2{font-size:23px}.membership-description{font-size:14px;margin-bottom:18px}.member-form{gap:13px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important}}