:root{--green-50:#f0fbf4;--green-100:#dcf6e6;--green-200:#b9ecce;--green-300:#86dcae;--green-400:#4cc98a;--green-500:#1fb26b;--brand:#0a8444;--brand-strong:#086c37;--mint:#e8f8ee;--ink:#0f2a1d;--ink-2:#2f4a3b;--muted:#587061;--line:#d9ebe1;--surface-2:#f6fbf8;--danger:#b3261e;--danger-soft:#fdecea;--warn:#7a5200;--warn-soft:#fff2cf;--radius:16px;--radius-lg:24px;--shadow-sm:0 1px 2px rgba(10,60,35,.06),0 2px 10px rgba(10,60,35,.06);--shadow-md:0 10px 30px rgba(10,80,45,.12);--shadow-lg:0 30px 70px rgba(10,80,45,.2)}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;color:var(--ink);background:#fff;font:16px/1.8 system-ui,-apple-system,Segoe UI,Hiragino Sans,Noto Sans JP,Yu Gothic UI,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;word-break:auto-phrase;line-break:strict}a{color:inherit;text-decoration:none}h1,h2,h3{margin:0;line-height:1.35;font-feature-settings:"palt" 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rgba(10,132,68,.25)}.button-ghost{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:none}.button-ghost:hover{background:var(--green-50);box-shadow:none}.button-danger{background:var(--danger);box-shadow:0 6px 18px rgba(179,38,30,.25)}.button-danger:hover{background:#8f1d17}.button-disabled,.button:disabled{background:#e6efe9;color:#7c9186;box-shadow:none;cursor:not-allowed;border-color:transparent}.button-disabled:hover,.button:disabled:hover{background:#e6efe9;transform:none}.button-block{width:100%}.link-button{padding:4px 0;background:none;border:0;color:var(--brand);font:inherit;font-size:14px;cursor:pointer;text-align:left}.link-button:hover{text-decoration:underline}.link-button.danger{color:var(--danger)}.header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.85);-webkit-backdrop-filter:saturate(1.4) blur(12px);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid 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var(--green-200);font-size:13px;font-weight:700;box-shadow:var(--shadow-sm)}.badge i{width:8px;height:8px;border-radius:50%;background:var(--green-500);box-shadow:0 0 0 4px rgba(31,178,107,.2)}.hero h1{margin-top:18px;font-size:clamp(36px,6.4vw,62px);line-height:1.18;letter-spacing:.005em}.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--green-200) 62%)}.lead{margin-top:20px;font-size:clamp(16px,2.2vw,19px);color:var(--ink-2);max-width:34em}.cta{gap:12px;margin-top:30px}.checks,.cta{display:flex;flex-wrap:wrap}.checks{gap:8px 18px;margin:26px 0 0;padding:0;list-style:none;font-size:14px;font-weight:600;color:var(--ink-2)}.checks li{display:inline-flex;align-items:center;gap:6px}.checks svg{color:var(--green-500)}.pc-note{margin-top:24px;padding:16px 18px;border-radius:var(--radius);background:#fff;border:1px solid var(--green-200);box-shadow:var(--shadow-sm)}.pc-note p{font-size:14px;color:var(--ink-2);margin-bottom:12px}.pc-note strong{display:flex;align-items:center;gap:8px;margin-bottom:4px;color:var(--ink);font-size:15px}.mock{position:relative}.browser{overflow:hidden;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-lg)}.browser-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--green-50);border-bottom:1px solid var(--line)}.browser-bar i{width:10px;height:10px;border-radius:50%;background:#cfe3d8}.url{flex:1 1;margin-left:10px;padding:3px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.browser-page{position:relative;padding:22px}.skel{height:10px;margin:10px 0;border-radius:999px;background:#e9f2ed}.w40{width:40%}.w50{width:50%}.w70{width:70%}.w90{width:90%}.mock-q{margin:16px 0;font-size:16px;font-weight:700}.mock-q mark{padding:2px 4px;border-radius:6px;background:#c5f0d6;color:var(--ink)}.mock-toolbar{display:inline-flex;gap:2px;margin-top:8px;padding:4px;border-radius:14px;background:var(--ink);color:#fff;font-size:12px;font-weight:600;box-shadow:0 10px 24px rgba(6,40,22,.35)}.mock-toolbar span{padding:6px 10px;border-radius:10px;white-space:nowrap}.mock-toolbar .solve{background:var(--green-500);color:#05281a;font-weight:800}.mock-bubble{position:relative;margin-top:18px;padding:14px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md)}.mock-bubble .chips{display:flex;gap:6px;margin-bottom:8px}.chip{display:inline-block;padding:2px 10px;border-radius:999px;background:var(--green-100);color:var(--brand-strong);font-size:12px;font-weight:700}.chip-solid{background:var(--brand);color:#fff}.chip-high{background:var(--green-200);color:var(--brand-strong)}.mock-bubble .ans{font-size:22px;font-weight:800;line-height:1.3}.mock-bubble 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var(--line);border-radius:12px}.history-q{margin-top:10px;font-size:14px;color:var(--ink-2);white-space:pre-wrap;overflow-wrap:anywhere}.history-ask{margin-top:6px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.history-a{margin-top:8px;font-size:17px;font-weight:800;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.empty{display:grid;justify-items:center;gap:8px;padding:32px 12px;text-align:center;color:var(--muted)}.empty .icon-tile{width:56px;height:56px;border-radius:18px}.danger-zone{margin-top:16px;border:1px solid #f1c7c2;border-radius:var(--radius-lg);background:#fff}.danger-zone summary{padding:18px 22px;cursor:pointer;font-weight:700;color:var(--danger);list-style:none}.danger-zone summary::-webkit-details-marker{display:none}.danger-zone[open] summary{border-bottom:1px solid #f6dedb}.danger-body{display:grid;gap:12px;padding:18px 22px 22px}.dialog{width:min(440px,calc(100vw - 32px));padding:0;border:0;border-radius:24px;background:#fff;color:var(--ink);box-shadow:var(--shadow-lg)}.dialog::backdrop{background:rgba(10,40,25,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dialog-body{display:grid;gap:12px;padding:24px}.dialog h2{font-size:19px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}.legal{padding-top:40px;padding-bottom:96px}.legal h1{font-size:clamp(26px,5vw,34px);margin:28px 0 14px}.legal h2{font-size:18px;margin:32px 0 8px}.legal p{margin:8px 0;color:var(--ink-2)}.banner{padding:12px 16px;border-radius:14px;background:var(--warn-soft);color:var(--warn)!important;font-size:14px}@media (max-width:1000px){.hero-inner{grid-template-columns:1fr;gap:48px}.grid-3,.trust{grid-template-columns:repeat(2,1fr)}}@media (max-width:720px){body{font-size:15.5px}.container{padding:0 18px}.only-mobile{display:block}.only-pc{display:none!important}.header-inner{height:58px}.nav a:not(.button),.who .email{display:none}.hero{padding:36px 0 64px}.cta .button{width:100%}.section{padding:60px 0}.section-head{margin-bottom:28px}.grid-2,.grid-3,.trust{grid-template-columns:1fr}.card{padding:22px}.browser-page{padding:16px}.mock-toolbar{flex-wrap:wrap;max-width:100%}.step{padding:18px;gap:14px}.cta-band{padding:56px 0}.cta-band .row .button{width:100%}.screen{padding:16px 12px;align-items:start}.sheet{padding:26px 20px;border-radius:24px;margin-top:8vh}.screen-top .app-shell{padding-top:0}.panel{padding:18px;border-radius:20px}.dialog{margin:auto auto 0;width:100%;max-width:none;border-radius:24px 24px 0 0;padding-bottom:env(safe-area-inset-bottom)}.dialog-actions{flex-direction:column-reverse}.dialog-actions .button{width:100%}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation:none!important;transition:none!important}}.nav-lang{padding:5px 12px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--ink-2)}.lang-switch,.nav-lang:hover{background:var(--green-50)}.lang-switch{display:flex;justify-content:center;gap:4px;width:fit-content;margin:0 auto;padding:3px;border-radius:999px;border:1px solid var(--line)}.lang-switch button{min-height:34px;padding:0 16px;border:0;border-radius:999px;background:none;color:var(--muted);font:inherit;font-size:13px;font-weight:700;cursor:pointer}.lang-switch button.on{background:#fff;color:var(--brand-strong);box-shadow:0 1px 3px rgba(10,60,35,.15)}@media (max-width:720px){.nav a.nav-lang{display:inline-flex!important}.footer nav{flex-wrap:wrap;gap:8px 16px}}.methods{display:grid;margin-top:8px}.method{display:flex;align-items:center;gap:12px;padding:14px 0;border-top:1px solid var(--line)}.method-icon{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--green-100);color:var(--brand-strong);font-weight:800}.method-main{flex:1 1;min-width:0}.method-title{font-weight:700}.method-sub{font-size:13px;color:var(--muted);overflow-wrap:anywhere;line-height:1.5}.method-form{display:grid;gap:10px;padding:0 0 16px 52px}.method-form .input{min-height:48px;font-size:16px}.method-actions{flex:none}.apple-button{background:#000;color:#fff;box-shadow:none;min-height:44px;font-weight:600}.apple-button:hover{background:#222}.google-slot{display:flex;justify-content:center;min-height:44px}@media (max-width:720px){.method-form{padding-left:0}}