:root{--bg: #f5f5f7;--surface: #fff;--ink: #161617;--muted: #6e6e73;--line: #d2d2d7;--blue: #0071e3;--blue-hover: #0077ed;--blue-soft: #e8f2fd;--danger: #d70015;--dark: #0d0d0f;--radius: 28px;--shadow: 0 22px 70px rgba(0, 0, 0, .08)}*{box-sizing:border-box}html{scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Hiragino Sans,Yu Gothic UI,Yu Gothic,Meiryo,sans-serif;-webkit-font-smoothing:antialiased;line-break:strict}a{color:inherit;text-decoration:none}button,input,select{font:inherit}:focus-visible{outline:3px solid rgba(0,113,227,.35);outline-offset:3px}.skip-link{position:fixed;left:14px;top:10px;z-index:100;transform:translateY(-160%);background:#111;color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;font-weight:700}.skip-link:focus{transform:translateY(0)}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.brand{display:inline-flex;align-items:center;gap:9px;font-weight:800;letter-spacing:-.04em;font-size:22px}.brand-mark{width:28px;height:28px;display:block}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:999px;background:var(--blue);color:#fff;font-weight:700;border:0;cursor:pointer;transition:.2s ease}.btn:not(:disabled):hover{background:var(--blue-hover);transform:translateY(-1px)}.btn:disabled{cursor:not-allowed;opacity:.6;transform:none}.btn.secondary{background:#fff;color:#1d1d1f;border:1px solid var(--line)}.eyebrow{margin:0;font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--blue)}.beat-title{margin:10px 0 18px;letter-spacing:-.03em;line-height:1.25;font-feature-settings:"palt";word-break:normal}.beat-body{margin:0 0 12px;color:var(--muted);line-height:1.85}.note,.source{margin:10px 0 0;font-size:12px;line-height:1.7;color:#86868b}.source a{text-decoration:underline;text-underline-offset:3px}.points{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}.point{display:grid;grid-template-columns:36px 1fr;column-gap:14px;row-gap:2px;align-items:start}.point-num{grid-row:span 2;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;font-weight:700}.point strong:last-child{grid-row:span 2;align-self:center}.point span:last-child{color:var(--muted);font-size:.92em;line-height:1.7}:lang(ja) .beat-title{word-break:auto-phrase}body:lang(en){font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Arial,sans-serif}body:lang(zh-Hant){font-family:-apple-system,BlinkMacSystemFont,PingFang TC,Microsoft JhengHei,sans-serif}.lang-switch{position:relative;font-size:13px;white-space:nowrap}.lang-switch summary{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 12px;border:1px solid rgba(0,0,0,.12);border-radius:999px;background:#ffffffb3;color:var(--ink);cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none}.lang-switch summary::-webkit-details-marker{display:none}.lang-switch summary:after{content:"";width:6px;height:6px;margin:-3px 0 0 2px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transition:transform .15s ease}.lang-switch[open] summary:after{margin-top:3px;transform:rotate(-135deg)}.lang-switch summary:hover,.lang-switch[open] summary{border-color:var(--blue)}.lang-menu{position:absolute;right:0;z-index:40;min-width:100%;margin:6px 0 0;padding:6px;list-style:none;border:1px solid rgba(0,0,0,.1);border-radius:14px;background:#fff;box-shadow:0 12px 32px #00000029}.lang-switch.is-up .lang-menu{bottom:100%;margin:0 0 6px}.lang-menu a{display:block;padding:8px 12px;border-radius:9px;color:var(--ink)}.lang-menu a:hover{background:#0000000d}.lang-menu [aria-current]{color:var(--blue);font-weight:700}@media print{.lang-switch{display:none}}.icon{width:1.15em;height:1.15em;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}.email-row{display:flex;flex-wrap:wrap;gap:6px;background:var(--bg);border-radius:24px;padding:6px;border:1px solid #dedee2}.email-row input{flex:2 1 200px;min-width:0;border:0;background:transparent;padding:12px 18px;outline:none}.email-row button{flex:1 1 auto}.email-row button.is-loading:before{content:"";width:15px;height:15px;flex:0 0 15px;margin-right:8px;border-radius:50%;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;animation:submit-spin .7s linear infinite}@keyframes submit-spin{to{transform:rotate(360deg)}}.email-row input:focus-visible{outline:3px solid rgba(0,113,227,.35);outline-offset:-3px;border-radius:18px}@media(max-width:560px){.email-row{display:grid;border-radius:18px;padding:8px;gap:8px}.email-row input{height:46px}}.nav{position:sticky;top:0;z-index:30;background:#f5f5f7d1;-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.06)}.nav-inner{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:28px}.language-suggestion{display:flex;justify-content:center;align-items:center;gap:16px;padding:8px 16px;background:#eaf3ff;font-size:14px}.language-suggestion a{color:#0055a6;text-decoration:underline;text-underline-offset:3px}.language-suggestion button{border:0;background:transparent;color:#3a3a3c;cursor:pointer;font:inherit;text-decoration:underline}.nav-links{display:flex;align-items:center;gap:28px;font-size:13px;color:#3a3a3c}.nav-cta{display:inline-flex;align-items:center;min-height:36px;padding:0 16px;border-radius:999px;background:var(--blue);color:#fff;font-size:13px;font-weight:700;transition:.2s ease}.nav-cta:hover{background:var(--blue-hover)}@media(max-width:900px){.nav-links a:not(.nav-cta){display:none}}@media(max-width:560px){.nav-inner{min-height:56px;gap:12px}.brand{font-size:19px}.brand-mark{width:24px;height:24px}}.nav-inner{flex-wrap:nowrap}@media(max-width:560px){.nav-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand language";column-gap:12px;padding-top:0;padding-bottom:0}.nav-inner>.brand{grid-area:brand;min-width:0}.nav .lang-switch{grid-area:language;margin-left:0}.nav-links{display:none}}.site-footer{padding:52px 0 24px;border-top:1px solid #e5e5e7;background:var(--surface);font-size:13px;line-height:1.65;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1fr;gap:32px}.footer-grid>div{min-width:0}.footer-brand .brand{color:var(--ink)}.footer-brand p{max-width:200px;font-size:12px}.footer-heading{margin:0 0 16px;color:var(--ink);font-weight:700}.footer-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}.site-footer a{overflow-wrap:anywhere}.site-footer a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.footer-deck{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.footer-deck>.deck-link,.footer-deck .deck-menu summary{padding:2px 9px;min-height:26px;border:1px solid var(--line);border-radius:999px;background:var(--bg);font-size:11px;color:var(--ink)}.footer-bottom{margin-top:40px;border-top:1px solid #e5e5e7;padding-top:20px;font-size:12px}@media(max-width:900px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}.site-footer{padding-top:36px}}.partner-main{padding:56px 0 104px}.partner-wrap{max-width:840px}.partner-title{margin:10px 0 18px;font-size:clamp(32px,4.4vw,52px);line-height:1.15;letter-spacing:-.04em}.partner-lead{margin:0;max-width:680px;color:#3a3a3c;font-size:17px;line-height:1.65}.partner-card{margin-top:40px;padding:28px;border:1px solid var(--line);border-radius:24px;background:#fff}.partner-card h2,.partner-section h2{margin:0 0 16px;font-size:22px;letter-spacing:-.02em}.partner-label{display:block;margin-bottom:8px;font-size:13px;font-weight:700;color:var(--muted)}.partner-row{display:flex;gap:12px;flex-wrap:wrap}.partner-row input{flex:1 1 220px;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}.partner-status{min-height:1.5em;margin:12px 0 0;font-size:13px;color:var(--muted)}.partner-result{margin-top:4px;padding-top:16px;border-top:1px solid var(--line)}.partner-result[hidden]{display:none}.partner-result-label{margin:0 0 8px;font-size:13px;font-weight:700;color:var(--muted)}.partner-link-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0}.partner-link{flex:1 1 240px;min-width:0;font-weight:700;color:var(--blue);overflow-wrap:anywhere}.partner-note{margin:16px 0 0;font-size:13px;line-height:1.6;color:var(--muted)}.partner-section{margin-top:48px}.partner-materials{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.partner-materials a{display:inline-flex;align-items:center;min-height:44px;font-weight:700;color:var(--blue)}.partner-terms{display:grid;gap:12px;margin:0;padding-left:1.2em;line-height:1.7;color:#3a3a3c}@media(max-width:560px){.partner-card{padding:22px}}