:root{--bg: #ffffff;--fg: #0f0f0f;--sub: #606060;--border: #e2e2e2;--surface: #f7f7f7;--accent: #cc0000;--accent-fg: #ffffff;--warn-bg: #fff4e5;--warn-fg: #8a4b00;--radius: 10px;--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font);color:var(--fg);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:#065fd4}.app{display:flex;flex-direction:column;min-height:100vh;max-width:820px;margin:0 auto;padding:0 16px}.app__main{flex:1;padding:8px 0 40px}.header{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}.header__brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px}.header__logo{font-size:22px}.header__lang{display:flex;gap:4px}.lang-btn{border:1px solid var(--border);background:var(--bg);color:var(--sub);padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;cursor:pointer}.lang-btn--active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.btn{border:1px solid var(--border);background:var(--bg);color:var(--fg);padding:10px 18px;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;font-family:inherit}.btn:hover:not(:disabled){background:var(--surface)}.btn--primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent)}.btn--primary:hover:not(:disabled){filter:brightness(.93);background:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.link-btn{background:none;border:none;color:#065fd4;cursor:pointer;font-size:15px;font-family:inherit;padding:6px 0}.landing__tagline{font-size:18px;color:var(--sub)}.steps{list-style:none;counter-reset:step;padding:0;margin:24px 0}.step{counter-increment:step;position:relative;padding:12px 0 12px 44px;border-top:1px solid var(--border)}.step:before{content:counter(step);position:absolute;left:0;top:12px;width:30px;height:30px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-weight:700}.step__title{margin:4px 0;font-size:16px}.step__link{display:inline-block;margin:4px 0;font-weight:600}.step__details{margin-top:8px;font-size:14px;color:var(--sub)}.step__details summary{cursor:pointer;font-weight:600}.landing__warning{background:var(--warn-bg);color:var(--warn-fg);padding:12px 14px;border-radius:var(--radius);font-weight:600}.landing__form{margin:20px 0 8px}.landing__label{display:block;font-weight:600;margin-bottom:6px}.landing__inputrow{display:flex;gap:8px}.landing__input{flex:1;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:16px;font-family:inherit}.landing__note{font-size:14px;color:var(--sub)}.fetching{text-align:center;padding:60px 0;color:var(--sub)}.spinner{width:44px;height:44px;margin:0 auto 16px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result__summary{font-size:17px}.result__controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin:16px 0 12px}.tabs{display:flex;flex-wrap:wrap;gap:4px}.tab{border:1px solid var(--border);background:var(--bg);color:var(--sub);padding:7px 14px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}.tab--active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.result__sort{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--sub)}.result__sort select{padding:6px 8px;border-radius:8px;border:1px solid var(--border);font-family:inherit;font-size:14px}.result__output{width:100%;min-height:320px;resize:vertical;padding:14px;border:1px solid var(--border);border-radius:var(--radius);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.5;white-space:pre;background:var(--surface)}.result__actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.result__reminder{background:var(--warn-bg);color:var(--warn-fg);padding:10px 14px;border-radius:var(--radius);font-weight:600;font-size:14px}.result__reminder a{color:inherit}.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%);background:var(--fg);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;z-index:20}.errorview{padding:24px 0}.errorview__message{font-size:17px;font-weight:600}.errorview__link{display:inline-block;margin-bottom:12px;font-weight:600}.errorview__actions{display:flex;align-items:center;gap:16px}.footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;border-top:1px solid var(--border);color:var(--sub);font-size:14px}.footer__links{display:flex;align-items:center;gap:10px}.footer__bmc{display:inline-flex;line-height:0}.footer__bmc img{height:40px;width:auto;border-radius:8px}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:center;padding:16px}.modal__backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080}.modal__panel{position:relative;background:var(--bg);border-radius:14px;padding:20px;width:100%;max-width:560px;max-height:90vh;overflow:auto}.modal__header{display:flex;align-items:center;justify-content:space-between}.modal__header h2{margin:0;font-size:18px}.modal__close{border:none;background:none;font-size:28px;line-height:1;cursor:pointer;color:var(--sub)}.share__group{margin:14px 0}.share__label{display:block;font-size:13px;font-weight:700;color:var(--sub);margin-bottom:6px}.toggle-row{display:flex;flex-wrap:wrap;gap:6px}.toggle{border:1px solid var(--border);background:var(--bg);color:var(--fg);padding:8px 14px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}.toggle--active{background:var(--fg);color:var(--bg);border-color:var(--fg)}.toggle:disabled{opacity:.35;cursor:not-allowed}.share__preview{position:relative;margin:16px 0;min-height:120px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:grid;place-items:center;overflow:hidden}.share__preview img{max-width:100%;height:auto;display:block}.share__generating{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#fff9;font-weight:600;color:var(--sub)}.share__error{padding:24px;color:var(--accent);font-weight:600}.share__actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.btn--x{display:inline-flex;align-items:center;gap:8px;background:#000;color:#fff;border-color:#000}.btn--x:hover:not(:disabled){background:#1a1a1a}.btn--x img{display:block}.share__xhint{margin:10px 0 0;padding:8px 12px;font-size:13px;color:var(--sub);background:var(--surface);border-radius:8px;text-align:right}@media(max-width:520px){.landing__inputrow{flex-direction:column}.result__controls{flex-direction:column;align-items:stretch}}