.X_Z_4a_login{grid-template-columns:1.05fr 1fr;min-height:100vh;display:grid}.X_Z_4a_left{background:radial-gradient(110% 60% at 20% 100%, var(--coral-soft) 0%, transparent 55%), radial-gradient(80% 50% at 90% 10%, var(--sage-soft) 0%, transparent 60%), var(--bg-2);flex-direction:column;padding:36px 56px 48px;display:flex;position:relative;overflow:hidden}.X_Z_4a_left:before{content:"";opacity:.55;pointer-events:none;background-image:radial-gradient(#2b28230d 1px,#0000 1px),radial-gradient(#2b28230a 1px,#0000 1px);background-position:0 0,7px 7px;background-size:26px 26px,14px 14px;position:absolute;inset:0}.X_Z_4a_topbar{z-index:2;justify-content:space-between;align-items:center;display:flex;position:relative}.X_Z_4a_hero{z-index:2;flex-direction:column;flex:1;justify-content:center;padding:24px 0;display:flex;position:relative}.X_Z_4a_eyebrow{font-family:var(--font-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);align-items:center;gap:8px;margin-bottom:18px;font-size:11px;display:inline-flex}.X_Z_4a_eyebrow:before{content:"";background:var(--primary);width:18px;height:1px;display:inline-block}.X_Z_4a_headline{font-family:var(--font-mincho);color:var(--ink);letter-spacing:.02em;margin:0 0 22px;font-size:clamp(36px,4.2vw,54px);font-weight:700;line-height:1.32}.X_Z_4a_headline .X_Z_4a_accent{color:var(--primary-deep)}.X_Z_4a_headlineRuby{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.4em;margin-top:14px;font-size:11px;display:block}.X_Z_4a_lead{max-width:460px;color:var(--ink-2);margin:0 0 36px;font-size:14.5px;line-height:2}.X_Z_4a_stack{width:100%;max-width:460px;margin-top:24px;position:relative}.X_Z_4a_infoCard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-md);align-items:flex-start;gap:14px;padding:18px 20px;display:flex}.X_Z_4a_infoCard+.X_Z_4a_infoCard{margin-top:-10px}.X_Z_4a_infoCardIcon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;display:inline-flex}.X_Z_4a_infoCardIcon svg{width:20px;height:20px}.X_Z_4a_tintCoral .X_Z_4a_infoCardIcon{background:var(--coral-soft);color:var(--coral-deep)}.X_Z_4a_tintSage .X_Z_4a_infoCardIcon{background:var(--sage-soft);color:var(--sage-deep)}.X_Z_4a_tintTeal .X_Z_4a_infoCardIcon{background:var(--teal-soft);color:var(--teal-deep)}.X_Z_4a_infoCardHead{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.16em;align-items:baseline;gap:8px;margin-bottom:4px;font-size:10px;display:flex}.X_Z_4a_dot{border-radius:50%;flex-shrink:0;width:5px;height:5px}.X_Z_4a_infoCardTitle{font-family:var(--font-round);color:var(--ink);margin:0 0 2px;font-size:14.5px;font-weight:700}.X_Z_4a_infoCardMeta{color:var(--ink-3);margin:0;font-size:12px}.X_Z_4a_cardSecond{transform:translate(36px,-6px)rotate(-1.2deg)}.X_Z_4a_cardThird{transform:translate(8px,-18px)rotate(.8deg)}.X_Z_4a_quote{border-top:1px dashed var(--line);z-index:2;justify-content:space-between;align-items:flex-end;gap:24px;margin-top:auto;padding-top:28px;display:flex;position:relative}.X_Z_4a_quoteText{font-family:var(--font-mincho);color:var(--ink-2);max-width:380px;margin:0;font-size:15px;line-height:1.8}.X_Z_4a_quoteWho{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.18em;text-align:right;flex-shrink:0;font-size:10.5px}.X_Z_4a_quoteWho span{margin-top:4px;display:block}.X_Z_4a_right{background:var(--bg);flex-direction:column;padding:36px 56px 48px;display:flex;position:relative}.X_Z_4a_formWrap{flex:1;justify-content:center;align-items:center;padding:24px 0;display:flex}.X_Z_4a_form{width:100%;max-width:400px}.X_Z_4a_formHead{margin-bottom:32px}.X_Z_4a_chapter{font-family:var(--font-mono);letter-spacing:.22em;color:var(--primary-deep);margin-bottom:12px;font-size:11px}.X_Z_4a_title{font-family:var(--font-round);letter-spacing:.01em;margin:0 0 8px;font-size:32px;font-weight:700;line-height:1.2}.X_Z_4a_titleEn{font-family:var(--font-mincho);color:var(--ink-3);letter-spacing:.06em;margin-left:10px;font-size:16px;font-weight:500}.X_Z_4a_oauth{gap:10px;margin-bottom:22px;display:grid}.X_Z_4a_oauthBtn{background:var(--surface);border:1px solid var(--line);width:100%;font-family:var(--font-round);color:var(--ink);cursor:pointer;border-radius:14px;align-items:center;gap:14px;padding:13px 18px;font-size:14.5px;font-weight:500;text-decoration:none;transition:border-color .15s,transform .12s,box-shadow .15s;display:flex}.X_Z_4a_oauthBtn:hover{border-color:var(--ink-3);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.X_Z_4a_oauthBtnIcon{flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:inline-flex}.X_Z_4a_oauthBtnLabel{text-align:left;flex:1}.X_Z_4a_oauthBtnArrow{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.14em;font-size:11px}.X_Z_4a_oauthBtnLine{color:#fff;background:#06c755;border-color:#06c755}.X_Z_4a_oauthBtnLine:hover{background:#05a847;border-color:#05a847}.X_Z_4a_oauthBtnLine .X_Z_4a_oauthBtnArrow{color:#ffffffd9}.X_Z_4a_divider{font-family:var(--font-mono);color:var(--ink-4);letter-spacing:.08em;align-items:center;gap:12px;margin:4px 0 18px;font-size:10.5px;display:flex}.X_Z_4a_divider:before,.X_Z_4a_divider:after{content:"";background:var(--line);flex:1;height:1px}.X_Z_4a_fieldGroup{margin-bottom:14px}.X_Z_4a_fieldLabel{font-family:var(--font-round);color:var(--ink-2);margin-bottom:6px;font-size:12.5px;font-weight:600;display:block}.X_Z_4a_fieldInput{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--ink);border-radius:12px;outline:none;padding:12px 14px;font-family:inherit;font-size:14px}.X_Z_4a_fieldInput:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.X_Z_4a_fieldHint{font-family:var(--font-mono);color:var(--ink-4);margin-top:6px;font-size:10px}.X_Z_4a_fieldInputWrap{position:relative}.X_Z_4a_fieldInputWrap .X_Z_4a_fieldInput{padding-right:42px}.X_Z_4a_fieldToggle{cursor:pointer;width:32px;height:32px;color:var(--ink-3);background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;display:inline-flex;position:absolute;top:50%;right:6px;transform:translateY(-50%)}.X_Z_4a_fieldToggle:hover{color:var(--ink-2);background:var(--bg-2)}.X_Z_4a_fieldToggle svg{width:18px;height:18px}.X_Z_4a_submitBtn{background:var(--primary);color:#fff;width:100%;font-family:var(--font-round);cursor:pointer;border:none;border-radius:14px;padding:13px 18px;font-size:14.5px;font-weight:600;transition:background .15s}.X_Z_4a_submitBtn:hover{background:var(--primary-deep)}.X_Z_4a_submitBtn:disabled{opacity:.55;cursor:default}.X_Z_4a_formError{background:var(--coral-soft);border:1px solid var(--coral);color:var(--coral-deep);font-size:12.5px;font-family:var(--font-sans);border-radius:10px;margin-bottom:14px;padding:10px 14px}.X_Z_4a_altLink{text-align:center;color:var(--ink-3);margin-top:16px;font-size:12.5px;display:block}.X_Z_4a_altLink a{color:var(--primary-deep);text-underline-offset:2px;text-decoration:underline}.X_Z_4a_terms{font-family:var(--font-mono);color:var(--ink-4);text-align:center;letter-spacing:.06em;margin-top:18px;font-size:10.5px;line-height:1.8}.X_Z_4a_terms a{color:var(--ink-3);text-underline-offset:3px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.X_Z_4a_bottom{font-family:var(--font-mono);color:var(--ink-4);letter-spacing:.14em;justify-content:space-between;align-items:center;font-size:10.5px;display:flex}.X_Z_4a_bottomDots{gap:6px;display:inline-flex}.X_Z_4a_bottomDots span{background:var(--line);border-radius:50%;width:5px;height:5px}.X_Z_4a_bottomDots span:first-child{background:var(--primary)}.X_Z_4a_brand{align-items:center;gap:12px;text-decoration:none;display:inline-flex}.X_Z_4a_brandWordmark{flex-direction:column;line-height:1.05;display:flex}.X_Z_4a_brandJa{font-family:var(--font-round);color:var(--ink);letter-spacing:.02em;font-size:17px;font-weight:700}.X_Z_4a_brandEn{font-family:var(--font-mono);color:var(--ink-3);letter-spacing:.22em;margin-top:2px;font-size:10px}@media (max-width:980px){.X_Z_4a_login{grid-template-columns:1fr}.X_Z_4a_left{min-height:520px;padding:28px 32px 36px}.X_Z_4a_right{padding:28px 32px 40px}.X_Z_4a_quote{display:none}}