:root{--navy:#1b2a4a;--navy-2:#24365c;--accent:#1f78c8;--accent-soft:#eaf3fc;--accent-mid:#cfe3f7;--accent-ink:#1f78c8;--accent-on-navy:#8ec6f5;--bell:#f3b33d;--bell-soft:#ffe6a6;--blue:#1f78c8;--glow:#3d9be9;--btn-grad:linear-gradient(100deg, #2477c9 0%, #2fa3d6 55%, #5dd0d4 100%);--btn-shadow:0 14px 30px -14px #2482c8bf, inset 0 1px 0 #ffffff40;--btn-ink:#2477c9;--bg:#f6fafe;--paper:#fff;--ink:#1b2a4a;--mute:#55617a;--faint:#8792a6;--line:#e3e9f1;--ok:#2e8b62;--ng:#c0502f;--display:"Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;--body:"Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;--latin:"Lexend", "Noto Sans JP", sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--body);letter-spacing:.03em;font-size:15.5px;line-height:1.9}img{max-width:100%;height:auto}a{color:var(--blue)}button{font:inherit;letter-spacing:inherit}:focus-visible{outline:3px solid var(--glow);outline-offset:2px}mark{background:linear-gradient(transparent 64%, var(--bell-soft) 64%);color:inherit}.cb-wrap{max-width:880px;padding-left:max(20px, env(safe-area-inset-left,0px));padding-right:max(20px, env(safe-area-inset-right,0px));margin:0 auto}.cb-main{gap:22px;padding-block:36px 88px;display:grid}.cb-h1{font-family:var(--display);letter-spacing:.07em;text-wrap:balance;margin:0;font-size:clamp(25px,3.6vw,32px);font-weight:700;line-height:1.55}.cb-h2{font-family:var(--display);letter-spacing:.06em;margin:0;font-size:19px;font-weight:700;line-height:1.55}.cb-lead{color:var(--mute);margin:0;line-height:2}.cb-card{background:var(--paper);border:1px solid 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#c9ddf1}.cb-btn.sub:hover:not(:disabled){background:var(--btn-grad);color:#fff;border-color:#0000}.cb-btn.dark{background:var(--btn-grad) 0 0 / 140% 100%;color:#fff}.cb-btn.sm{padding:8px 16px;font-size:13px}.cb-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.cb-pill{letter-spacing:.08em;background:var(--accent-soft);color:var(--accent-ink);border-radius:999px;padding:2px 10px;font-size:11.5px;font-weight:500;display:inline-block}.cb-note{color:var(--faint);letter-spacing:.05em;font-size:12.5px}.cb-error{color:#8a2e14;background:#fceeea;border-radius:12px;padding:10px 14px;font-size:14px}.cb-top{top:env(safe-area-inset-top,0px);z-index:5;color:var(--navy);border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);background:#fffffff2;position:sticky}.cb-top .cb-wrap{justify-content:space-between;align-items:center;gap:20px;max-width:1200px;min-height:62px;padding-block:10px;display:flex}.cb-mark{font-family:var(--latin);color:var(--navy);letter-spacing:.01em;font-size:21px;font-weight:600;text-decoration:none}.cb-mark i{color:var(--accent);font-style:normal}.cb-nav{scrollbar-width:none;gap:24px;min-width:0;margin-left:auto;font-size:13.5px;display:flex;overflow-x:auto}.cb-nav a{color:var(--mute);white-space:nowrap;border-bottom:2px solid #0000;padding-block:6px;text-decoration:none}.cb-nav a:hover{color:var(--navy)}.cb-nav a[aria-current=page]{color:var(--navy);border-bottom-color:var(--accent);font-weight:700}.cb-top-r{flex:none;align-items:center;gap:8px;display:flex}.cb-burger{cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:space-between;width:40px;height:40px;padding:12px 9px;display:none}.cb-burger span{background:var(--navy);border-radius:2px;height:1.5px;display:block}.cb-drawer{z-index:20;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#1b2a4a59;justify-content:flex-end;display:flex;position:fixed;inset:0}.cb-drawer-in{background:var(--paper);width:min(320px,86vw);height:100%;padding:calc(18px + env(safe-area-inset-top,0px)) 16px calc(24px + env(safe-area-inset-bottom,0px));flex-direction:column;gap:2px;display:flex;overflow-y:auto;box-shadow:-12px 0 30px -12px #1b2a4a4d}.cb-drawer-in a{color:var(--navy);border-radius:12px;gap:0;padding:11px 14px;text-decoration:none;display:grid}.cb-drawer-in a b{letter-spacing:.05em;font-size:15px}.cb-drawer-in a small{color:var(--mute);font-size:11.5px}.cb-drawer-in a[aria-current=page]{background:var(--accent-soft)}.cb-drawer-in a.cb-drawer-cta{background:var(--btn-grad);box-shadow:var(--btn-shadow);color:#fff;text-align:center;border-radius:999px;margin-top:14px;font-weight:700}@media (max-width:1080px){.cb-nav{display:none}.cb-burger{display:flex}}.cb-foot{background:var(--paper);color:var(--mute);border-top:1px solid var(--line);margin-top:32px;font-size:12.5px;line-height:1.9}.cb-foot .cb-wrap{padding-block:32px calc(40px + env(safe-area-inset-bottom,0px));gap:10px;display:grid}.cb-foot p{color:var(--faint);letter-spacing:.05em;margin:0}.cb-foot b{color:var(--navy)}.cb-foot a{color:var(--mute);text-decoration:none}.cb-foot a:hover{color:var(--navy)}.cb-foot .cb-row{gap:6px 22px}.cb-acct{border:1px solid var(--line);background:var(--paper);max-width:9em;min-height:32px;color:var(--navy);cursor:pointer;white-space:nowrap;border-radius:999px;flex:none;align-items:center;gap:6px;padding:3px 12px;font-size:12.5px;font-weight:700;text-decoration:none;display:inline-flex;overflow:hidden}.cb-acct span{text-overflow:ellipsis;overflow:hidden}.cb-acct 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