:root{--ink:#202225;--ink-2:#303338;--muted:#687078;--line:#dde1e5;--surface:#fff;--bg:#f1f2f3;--accent:#3d434a;--danger:#a83b3b}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans JP","Yu Gothic UI",system-ui,sans-serif;color:var(--ink);background:var(--bg)}
.auth-layout{min-height:100vh;display:grid;grid-template-columns:minmax(360px,.82fr) minmax(520px,1.18fr)}
.auth-brand{display:flex;flex-direction:column;justify-content:center;padding:clamp(42px,7vw,100px);background:linear-gradient(145deg,#151719,#2e3236);color:#fff;position:relative;overflow:hidden}
.auth-brand:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.08);border-radius:50%;right:-220px;bottom:-190px}
.auth-logo{display:grid;place-items:center;width:50px;height:50px;border-radius:14px;background:#f4f5f6;color:#222;font-weight:900;font-size:21px;margin-bottom:36px}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:#b6bbc0;margin:0 0 14px}.eyebrow.dark{color:#707780}.auth-brand h1{font-size:clamp(34px,4vw,58px);line-height:1.22;letter-spacing:-.04em;margin:0 0 22px}.auth-brand>p:not(.eyebrow){max-width:520px;color:#c8ccd0;line-height:1.9}.security-note{margin-top:42px;padding:12px 15px;border:1px solid rgba(255,255,255,.14);border-radius:12px;color:#d9dcdf;font-size:12px;width:max-content}
.auth-panel{display:grid;place-items:center;padding:40px}.auth-card{width:min(520px,100%);padding:44px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 22px 65px rgba(24,27,30,.1)}.auth-card h2{font-size:30px;margin:0 0 8px;letter-spacing:-.03em}.lead{color:var(--muted);line-height:1.7;margin:0 0 26px}.auth-form{display:grid;gap:16px}.auth-form label{display:grid;gap:7px;font-size:12px;font-weight:800;color:#464c52}.auth-form input,.auth-form textarea{width:100%;border:1px solid #cbd0d5;border-radius:11px;padding:12px 13px;font:inherit;background:#fafbfb;color:#202225}.auth-form input{height:46px}.auth-form input:focus,.auth-form textarea:focus{outline:3px solid rgba(61,67,74,.12);border-color:#626970;background:#fff}.auth-form button,.approval-list button{border:0;border-radius:11px;background:#2f3439;color:#fff;font-weight:800;padding:13px 18px;cursor:pointer}.auth-form button:hover,.approval-list button:hover{background:#17191b}.auth-link{text-align:center;color:var(--muted);font-size:13px;margin:23px 0 0}.auth-link a,.approval-head a{color:#30353a;font-weight:800}.notice,.auth-message{padding:12px 14px;border-radius:10px;background:#f0f2f3;color:#454b51;font-size:13px;line-height:1.6;margin-bottom:18px}.notice.warning{background:#fff8e5;color:#7a5811}.notice.danger,.form-error,.field-error{color:#943535;background:#fff0f0}.form-error{padding:9px;border-radius:8px;font-size:12px}.field-error{background:transparent;font-size:11px}.pending-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#e9ecee;color:#31363b;font-size:24px;margin-bottom:20px}.approval-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.approval-list{display:grid;gap:9px;margin-top:24px}.approval-list article{display:grid;grid-template-columns:1fr 1.2fr auto auto;align-items:center;gap:13px;padding:13px;border:1px solid var(--line);border-radius:12px}.approval-list article>div{display:grid;gap:3px;min-width:0}.approval-list article span{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}.status{padding:5px 8px;border-radius:99px;background:#eef0f1;font-weight:800;white-space:nowrap}.status.approved{background:#e7f5ec;color:#277048}.status.rejected{background:#fbeaea;color:#943535}.approval-list form{display:flex;gap:5px}.approval-list button{padding:7px 10px;font-size:11px}.approval-list .reject{background:#fff;color:#8a3434;border:1px solid #e5bcbc}
@media(max-width:860px){.auth-layout{grid-template-columns:1fr}.auth-brand{min-height:300px;padding:42px}.auth-brand h1{font-size:34px}.security-note{margin-top:20px}.auth-panel{padding:22px}.auth-card{padding:28px}.approval-list article{grid-template-columns:1fr}.approval-list form{justify-content:flex-start}}

/* Single-column, distraction-free authentication */
body{background:#eef0f1}.auth-layout{min-height:100vh;display:block}.auth-brand{display:none!important}.auth-panel{min-height:100vh;display:grid;place-items:center;padding:32px}.auth-card{width:min(430px,100%);padding:38px 40px;border-radius:16px;border:1px solid #d8dde0;box-shadow:0 16px 45px rgba(22,25,28,.08)}.auth-product-name{margin-bottom:30px;padding-bottom:16px;border-bottom:1px solid #e5e8ea;color:#30353a;font-size:13px;font-weight:800;letter-spacing:.02em}.auth-card h1,.auth-card h2{margin:0 0 8px;font-size:27px;line-height:1.3;letter-spacing:-.025em}.auth-card .eyebrow{display:none!important}.auth-form{gap:14px}.auth-form button{margin-top:4px;border-radius:9px}.auth-form input{border-radius:9px;background:#fff}.lead{margin-bottom:23px;font-size:12px}.auth-link{margin-top:20px;font-size:12px}@media(max-width:540px){.auth-panel{padding:16px}.auth-card{padding:28px 24px}}