:root{--bg: #f5f7fa;--card: #ffffff;--border: #d9e0e8;--text: #1f2933;--text-sub: #52606d;--accent: #2563eb;--accent-dark: #1d4ed8;--warn-bg: #fff7e6;--warn-border: #f0c674;--warn-text: #8a5b00;--danger-bg: #fdecea;--danger-border: #f0b4ac;--danger-text: #a8261b;--result-bg: #eef4ff;--note-bg: #f3f5f7;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif;line-height:1.7;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;padding:0}.app{max-width:720px;margin:0 auto;padding:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) 64px calc(16px + env(safe-area-inset-left,0px))}h1{font-size:1.4rem;margin:8px 0 4px}h2{font-size:1.1rem;margin:24px 0 8px;border-left:4px solid var(--accent);padding-left:8px}h3{font-size:1rem;margin:16px 0 4px}.subtitle{color:var(--text-sub);font-size:.85rem;margin:0 0 12px}.disclaimer-banner{background:var(--warn-bg);border:1px solid var(--warn-border);color:var(--warn-text);border-radius:8px;padding:10px 12px;font-size:.85rem;margin-bottom:16px}.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}.type-tabs{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.type-tabs button{flex:1 1 0;min-width:90px;padding:10px 8px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text-sub);font-size:.95rem;cursor:pointer;font-weight:600}.type-tabs button.active{background:var(--accent);border-color:var(--accent);color:#fff}.field{margin-bottom:14px}.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:4px}.field .tooltip{display:block;font-weight:400;font-size:.78rem;color:var(--text-sub);margin-bottom:4px}.field input[type=number],.field select{width:100%;padding:8px 10px;border:1px solid var(--border);border-radius:6px;font-size:1rem;background:#fff;color:var(--text)}.field-row{display:flex;gap:12px;flex-wrap:wrap}.field-row .field{flex:1 1 140px}.checkbox-field{display:flex;align-items:flex-start;gap:8px;margin-bottom:12px}.checkbox-field input{margin-top:4px}.checkbox-field label{font-size:.9rem}.result-card{background:var(--result-bg);border:2px solid var(--accent);box-shadow:0 4px 16px #2563eb1f;margin-top:20px}.result-card h3{margin-top:0}.result-total{font-size:1rem;font-weight:600;color:var(--text-sub);margin:8px 0 12px;display:flex;flex-direction:column;gap:2px}.result-label{font-size:.95rem;font-weight:600;color:var(--text-sub)}.result-amount-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px}.result-total .amount{font-size:2.6rem;color:var(--accent-dark);font-weight:800;line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:-.01em}.result-unit{font-size:1.2rem;font-weight:700;color:var(--accent-dark)}.result-total .approx{font-size:.95rem;color:var(--text-sub);font-weight:600}.breakdown{list-style:none;padding:0;margin:8px 0;border-top:1px dashed var(--border)}.breakdown li{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed var(--border);font-size:.92rem}.breakdown li .v{font-variant-numeric:tabular-nums;font-weight:600}.danger-box{background:var(--danger-bg);border:1px solid var(--danger-border);color:var(--danger-text);border-radius:8px;padding:10px 12px;font-size:.88rem;margin:8px 0}.note-box{background:var(--note-bg);border:1px solid var(--border);border-radius:8px;padding:10px 12px;font-size:.8rem;color:var(--text-sub);margin-top:12px}.note-box ul{margin:4px 0 0;padding-left:18px}.note-box li{margin-bottom:4px}.confirm-links{background:#fff;border:1px solid var(--accent);border-radius:8px;padding:12px;margin-top:12px;font-size:.88rem}.confirm-links a{color:var(--accent-dark);font-weight:600}footer{margin-top:32px;font-size:.75rem;color:var(--text-sub);border-top:1px solid var(--border);padding-top:12px}footer a{color:var(--accent-dark)}.radio-group{display:flex;flex-direction:column;gap:6px}.radio-group label{font-weight:400;font-size:.92rem;display:flex;align-items:center;gap:6px}.gate-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}.gate-card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 8px 28px #1f293314;padding:28px 24px;max-width:420px;width:100%}.gate-head{text-align:center;margin-bottom:20px}.gate-emoji{font-size:2.6rem;line-height:1;margin-bottom:6px}.gate-title{font-size:1.2rem;font-weight:700;margin:0 0 6px;color:var(--text)}.gate-lead{font-size:.85rem;color:var(--text-sub);margin:0}.gate-input{width:100%;padding:12px 14px;border:2px solid var(--border);border-radius:8px;font-size:1.15rem;text-align:center;letter-spacing:.15em;text-transform:uppercase;background:#fff;color:var(--text)}.gate-input:focus{border-color:var(--accent);outline:none}.gate-error{color:var(--danger-text);font-size:.85rem;text-align:center;margin:12px 0 0}.gate-button{width:100%;margin-top:16px;padding:12px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;font-weight:700;cursor:pointer}.gate-button:hover:not(:disabled){background:var(--accent-dark)}.gate-button:disabled{background:#c3ccd6;cursor:not-allowed}.gate-notes{margin-top:22px;font-size:.78rem;color:var(--text-sub);line-height:1.6}.gate-notes p{margin:0 0 8px}.gate-notes p:last-child{margin-bottom:0}.gate-handle{margin-top:16px;text-align:left}.gate-handle-label{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--text);margin-bottom:4px}.gate-handle-optional{font-size:.7rem;font-weight:600;color:var(--text-sub);background:var(--note-bg);border:1px solid var(--border);border-radius:999px;padding:1px 8px}.gate-handle-help{font-size:.75rem;color:var(--text-sub);line-height:1.6;margin:0 0 8px}.gate-handle-input{display:flex;align-items:center;border:2px solid var(--border);border-radius:8px;background:#fff;overflow:hidden}.gate-handle-input:focus-within{border-color:var(--accent)}.gate-handle-at{padding:0 4px 0 12px;font-size:1.05rem;font-weight:700;color:var(--text-sub);-webkit-user-select:none;user-select:none}.gate-handle-input input{flex:1 1 auto;width:100%;border:none;outline:none;padding:10px 12px 10px 4px;font-size:1rem;background:transparent;color:var(--text)}.handle-step-help{font-size:.8rem;color:var(--text-sub);line-height:1.7;margin:0 0 12px}.handle-step-guide{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:10px;margin:0 0 12px}.handle-step-yt-link{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:9px 12px;margin:0 0 14px;border:1px solid var(--accent);border-radius:8px;background:var(--note-bg);color:var(--accent-dark);font-size:.8rem;font-weight:700;text-decoration:none}.handle-step-yt-link:hover{background:#fff}.handle-step-modes{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:10px;padding:4px;background:var(--note-bg);border-radius:8px}.handle-step-modes button{min-height:36px;border:none;border-radius:6px;background:transparent;color:var(--accent-dark);font-size:.8rem;font-weight:700;cursor:pointer}.handle-step-modes button.active{background:var(--accent);color:#fff}.handle-step-modes button:disabled{cursor:not-allowed;opacity:.6}.handle-step-modes-note{font-size:.72rem;color:var(--text-sub);line-height:1.5;margin:6px 0 0}.app-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:4px}.app-header h1{margin:8px 0 4px}.greeting{font-size:.9rem;font-weight:600;color:var(--accent-dark);margin:0 0 8px}.safety-note{font-size:.85rem;color:var(--warn-text);background:var(--warn-bg);border:1px solid var(--warn-border);border-radius:8px;padding:8px 12px;margin:4px 0 12px;line-height:1.6}.safety-note a{color:var(--accent-dark);font-weight:600}.collapsible{margin-bottom:16px}.collapsible-toggle{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text-sub);font-size:.88rem;font-weight:600;text-align:left;cursor:pointer;line-height:1.4}.collapsible-toggle:hover{background:var(--note-bg)}.collapsible-caret{flex:0 0 auto;font-size:.8rem;color:var(--text-sub)}.collapsible-body{border:1px solid var(--border);border-top:none;border-radius:0 0 8px 8px;padding:10px 12px 12px;font-size:.85rem;line-height:1.7}.collapsible-body p{margin:0 0 8px}.collapsible-body p:last-child{margin-bottom:0}.collapsible-lead{font-weight:700;color:var(--text)}.collapsible--warn .collapsible-toggle{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}.collapsible--warn .collapsible-toggle:hover{background:#fff1d6}.collapsible--warn .collapsible-body{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}.collapsible--warn .collapsible-caret{color:var(--warn-text)}.collapsible--note .collapsible-body{background:var(--note-bg);color:var(--text-sub)}.collapsible-body .note-list{margin:0;padding-left:18px}.collapsible-body .note-list li{margin-bottom:6px}.collapsible-body .note-list li:last-child{margin-bottom:0}.bell-button{position:relative;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid var(--border);background:var(--card);padding:6px;border-radius:999px;cursor:pointer;line-height:1;box-shadow:0 1px 2px #1f29330f}.bell-button:hover{background:var(--note-bg)}.bell-icon{font-size:1.6rem}.bell-dot{position:absolute;top:6px;right:6px;width:10px;height:10px;border-radius:999px;background:#e02424;border:2px solid #fff}.changelog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;background:#0006;display:flex;align-items:center;justify-content:center;padding:16px}.changelog-modal{background:#fff;border-radius:16px;box-shadow:0 12px 40px #00000040;width:100%;max-width:420px;max-height:85vh;overflow-y:auto}.changelog-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 8px}.changelog-title{display:flex;align-items:center;gap:6px;font-size:1.1rem;font-weight:700;color:var(--accent-dark);margin:0;border:none;padding:0}.changelog-close{border:none;background:transparent;font-size:1.5rem;line-height:1;color:var(--text-sub);cursor:pointer}.changelog-body{padding:4px 20px 20px;display:flex;flex-direction:column;gap:16px}.changelog-entry-head{display:flex;align-items:baseline;gap:8px;border-bottom:1px solid var(--result-bg);padding-bottom:4px;margin-bottom:6px}.changelog-version{font-weight:700;color:var(--accent-dark)}.changelog-date{font-size:.78rem;color:var(--text-sub)}.changelog-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.changelog-list li{display:flex;gap:8px;font-size:.88rem;color:var(--text);line-height:1.6}.changelog-bullet{flex:0 0 auto;color:var(--accent)}.newfeature-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;background:#00000080;display:flex;align-items:center;justify-content:center;padding:16px}.newfeature-modal{background:#fff;border-radius:16px;box-shadow:0 12px 40px #0000004d;width:100%;max-width:420px;padding:24px}.newfeature-title{font-size:1.2rem;font-weight:700;color:var(--text);margin:0 0 16px;border:none;padding:0}.newfeature-list{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:8px}.newfeature-list li{display:flex;gap:8px;font-size:.9rem;color:var(--text);line-height:1.7}.newfeature-button{width:100%;padding:12px;border:none;border-radius:10px;background:var(--accent);color:#fff;font-size:1rem;font-weight:700;cursor:pointer}.newfeature-button:hover{background:var(--accent-dark)}.update-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#000000bf;display:flex;align-items:center;justify-content:center;padding:24px 16px;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.update-modal{background:#fff;border-radius:18px;box-shadow:0 16px 48px #00000059;width:100%;max-width:420px;padding:28px;text-align:center}.update-emoji{font-size:3rem;line-height:1;margin-bottom:8px}.update-title{font-size:1.3rem;font-weight:700;color:var(--text);margin:0 0 12px;border:none;padding:0;line-height:1.4}.update-lead{font-size:.9rem;color:var(--text-sub);line-height:1.8;margin:0 0 24px}.update-button{width:100%;padding:14px;border:none;border-radius:12px;background:var(--accent);color:#fff;font-size:1.05rem;font-weight:700;cursor:pointer}.update-button:hover:not(:disabled){background:var(--accent-dark)}.update-button:disabled{background:#c3ccd6;cursor:not-allowed}.update-note{font-size:.75rem;color:var(--text-sub);line-height:1.5;margin:14px 0 0}.update-soft-banner{position:fixed;left:50%;bottom:max(16px,env(safe-area-inset-bottom,0px));transform:translate(-50%);z-index:150;display:flex;align-items:center;gap:10px;max-width:min(92vw,440px);padding:10px 12px 10px 14px;background:#212934f0;color:#fff;border-radius:12px;box-shadow:0 8px 24px #0000004d;font-size:.82rem;line-height:1.5}.update-soft-banner-text{flex:1}.update-soft-banner-close{flex:none;width:26px;height:26px;border:none;border-radius:8px;background:#ffffff29;color:#fff;font-size:1rem;line-height:1;cursor:pointer}.update-soft-banner-close:hover{background:#ffffff47}