:root{--primary-color: #007bff;--secondary-color: #6c757d;--success-color: #28a745;--danger-color: #dc3545;--warning-color: #ffc107;--light-color: #f8f9fa;--dark-color: #212529;--border-radius: 4px;--box-shadow: 0 1px 3px rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--light-color);color:var(--dark-color);line-height:1.6;font-size:16px}.app{min-height:100vh;display:flex;flex-direction:column}header{background-color:var(--primary-color);color:#fff;box-shadow:var(--box-shadow)}.app-header{background-color:var(--primary-color);color:#fff}.header-content{display:flex;justify-content:space-between;align-items:center;padding:1rem;gap:1rem}header h1{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:1.5rem}header h1{font-size:1.75rem;font-weight:600;word-break:break-word;margin:0;transition:opacity .2s ease;flex:1 1 0;min-width:0}.app-title{appearance:none;-webkit-appearance:none;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer;display:block;font-size:1.55rem;font-weight:600;line-height:1.05;letter-spacing:inherit;word-break:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0;margin:0;flex:1 1 0;min-width:0;touch-action:manipulation}.app-title:hover{opacity:.8}.app-title:focus-visible{outline:2px solid rgba(255,255,255,.85);outline-offset:4px;border-radius:6px}.app-title-text{font-size:1.2em;font-weight:700;line-height:inherit}.app-title .subtitle{font-size:.68em;opacity:.45;font-weight:300;letter-spacing:.01em}header h1:hover{opacity:.8}.header-controls{display:flex;align-items:center;gap:1rem;flex-shrink:0}.account-control{position:relative}@media(max-width:768px){header{position:relative}.header-content{align-items:center}header h1{padding-right:88px;font-size:clamp(1.15rem,6.5vw,1.5rem);color:#fff;display:block;position:relative;z-index:3;max-width:calc(100% - 112px);font-weight:700;line-height:1.1}.app-title .subtitle{display:none}header h1{position:absolute;left:1rem;top:50%;transform:translateY(-50%);width:calc(100% - 96px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-title{position:absolute;left:1rem;top:50%;transform:translateY(-50%);width:calc(100% - 96px);padding:.45rem 0;min-height:44px;font-size:clamp(1.15rem,6.5vw,1.45rem);z-index:3}.header-controls{position:absolute;right:1rem;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:.5rem;z-index:5}header,.app-header{padding-top:.6rem;padding-bottom:.6rem}.account-button{width:48px;height:48px}.account-avatar-chip{width:32px;height:32px;font-size:1rem}.app-header{padding-top:.75rem;padding-bottom:.75rem}.header-content{padding-left:1rem;padding-right:1rem}.mobile-account-menu{right:1rem;width:220px;background-color:#fff;border:1px solid #e6e6e6;border-radius:8px;box-shadow:0 8px 24px #0000001f;padding:.5rem;z-index:100}}.account-button{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;border:none;border-radius:9999px;background:transparent;color:#fff;box-shadow:none}.account-button:hover{background:#ffffff1f}.account-avatar-chip{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#ffffffe6;color:#0f172a;font-weight:700;font-size:.95rem}@media(min-width:769px){.account-button{width:52px;height:52px}.account-avatar-chip{width:36px;height:36px;font-size:1.1rem}}.account-menu{position:absolute;top:calc(100% + .75rem);right:0;min-width:200px;background-color:var(--primary-color);border:1px solid rgba(255,255,255,.5);border-radius:4px;box-shadow:var(--box-shadow);padding:1rem;z-index:20;display:grid;gap:.35rem}.account-menu-item{width:100%;background-color:#fff3;color:#fff;border:1px solid rgba(255,255,255,.5);text-align:left;padding:.75rem .9rem;border-radius:4px}.account-menu-item:hover{background-color:#ffffff4d}.account-menu-item.danger{color:#fff}.hamburger-menu{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:0;gap:5px;min-height:auto;min-width:auto}.hamburger-menu span{width:25px;height:3px;background-color:#fff;display:block;border-radius:2px;transition:all .3s ease}.hamburger-menu:hover{opacity:.8}.header-nav{display:flex;gap:1rem;background-color:var(--primary-color)}.nav-button{background-color:#fff3;color:#fff;border:1px solid rgba(255,255,255,.5);padding:.5rem 1rem;border-radius:4px;cursor:pointer;font-size:.95rem;font-weight:500;transition:all .3s ease;min-height:auto;min-width:auto}.nav-button:hover{background-color:#ffffff4d;border-color:#fffc}main{flex:1;padding:1rem}main section{max-width:1200px;margin:0 auto}main section.page-list-section{max-width:100%;padding:0}main h2{font-size:1.25rem;margin-bottom:1rem;margin-top:0}main p{margin:1rem 0}button{padding:.5rem 1rem;border:none;border-radius:var(--border-radius);cursor:pointer;font-size:.95rem;font-weight:500;transition:all .3s ease;min-height:44px;min-width:44px}button:hover{opacity:.9}button.primary{background-color:var(--primary-color);color:#fff}button.secondary{background-color:var(--secondary-color);color:#fff}button.danger{background-color:var(--danger-color);color:#fff}button.success{background-color:var(--success-color);color:#fff}button:disabled{opacity:.6;cursor:not-allowed}button.large-button{padding:1rem 2rem;font-size:1.1rem;width:100%;max-width:300px}button.back-button{position:absolute;left:0;top:0;background-color:transparent;color:var(--primary-color);padding:0;font-size:1.5rem;font-weight:700;border:none;cursor:pointer;line-height:1;min-height:auto;min-width:auto;width:30px}button.back-button:hover{background-color:#f0f0f0}.page-home{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:2rem}.button-group{display:flex;flex-direction:column;gap:1rem;width:100%;max-width:300px}.page-header{position:relative;margin-bottom:2rem}.page-header h2{text-align:center;margin:0}.expense-form{max-width:600px;margin:0 auto;display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;font-size:.95rem}input,textarea,select{color:var(--dark-color)}input,select,textarea{padding:.5rem;border:1px solid #ccc;border-radius:var(--border-radius);font-family:inherit;font-size:1rem;width:100%;max-width:100%}.filter-label{display:inline-block;width:72px;text-align:right;font-weight:700;margin-right:8px}.small-select{max-width:240px;width:auto;min-width:120px}.approvals-cell{text-align:center}.approval-avatars{display:flex;gap:.5rem;justify-content:center;align-items:center;flex-wrap:wrap}.avatar{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:2px solid #ccc;overflow:hidden;background-color:#f0f0f0}.avatar img{width:100%;height:100%;object-fit:cover}.avatar.pending{border-color:#ffc107;background-color:#fff8e1}.avatar.approved{border-color:#28a745;background-color:#d4edda}.avatar.rejected{border-color:#dc3545;background-color:#f8d7da}.avatar-text{font-weight:700;color:#999}.applicant-avatar{display:flex;justify-content:center;align-items:center}.applicant-avatar .avatar{width:32px;height:32px;border-radius:50%;border:2px solid #000;overflow:hidden;background-color:#f0f0f0;display:inline-flex;align-items:center;justify-content:center}.applicant-avatar .avatar img{width:100%;height:100%;object-fit:cover}.applicant-avatar .avatar-text{font-weight:700;color:#999}.actions-cell{text-align:center;position:sticky;right:0;background-color:#fff;z-index:1}.action-btn{padding:.5rem 1rem;margin:0 .3rem;font-size:.85rem;border:1px solid #ccc;border-radius:4px;cursor:pointer;background-color:#fff;color:#333;transition:all .2s ease;white-space:nowrap}.action-btn:hover{background-color:#f5f5f5}.action-btn.edit{border-color:#007bff;color:#007bff}.action-btn.edit:hover{background-color:#e7f1ff}.action-btn.approve{border-color:#28a745;color:#28a745}.action-btn.approve:hover{background-color:#e8f5e9}.action-btn.reject{border-color:#dc3545;color:#dc3545}.action-btn.reject:hover{background-color:#ffebee}.action-btn.delete{border-color:#6c757d;color:#6c757d}.action-btn.delete:hover{background-color:#e9ecef}.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(0,0,0,.15);border-top-color:#0009;border-radius:50%;margin-right:6px;vertical-align:-2px;animation:btn-spin .8s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007bff1a}table{width:100%;border-collapse:collapse;background-color:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow)}th,td{padding:.75rem;text-align:left;border-bottom:1px solid #eee;word-wrap:break-word;overflow-wrap:break-word;font-size:1rem}th{background-color:var(--light-color);font-weight:600;font-size:.9rem}tr:hover{background-color:#f9f9f9}@media(max-width:768px){.header-content{flex-direction:column;align-items:flex-start;gap:.5rem}header h1{font-size:clamp(1rem,4.5vw,1.25rem);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;width:100%}.header-controls{width:100%;flex-direction:column;gap:.5rem}.hamburger-menu{display:flex;align-self:flex-end}.header-nav{width:100%;flex-direction:column;max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0}.header-nav.open{max-height:min(230px,60vh);padding:1rem;border-top:1px solid rgba(255,255,255,.2);overflow-y:auto}.nav-button{width:100%}.account-control{width:100%;display:flex;justify-content:flex-end}.account-button{border-radius:50%}.mobile-account-menu{position:absolute;top:calc(100% + 8px);right:0;background-color:#fff;color:var(--dark-color);border:1px solid #e6e6e6;border-radius:6px;padding:.5rem;box-shadow:0 8px 24px #0000001f;width:200px;z-index:100;display:flex;flex-direction:column;gap:.5rem}.mobile-account-menu .nav-button{background-color:transparent;color:var(--dark-color);border:1px solid #ddd;border-radius:4px;padding:.5rem;text-align:left}.mobile-account-menu{display:grid;gap:.5rem}.mobile-account-menu .nav-button.danger{background-color:var(--danger-color)}.hamburger-menu{display:none}}@media screen and (max-width:640px){.request-table{width:100%}.request-table .thead{display:none}.request-table tr,.request-table td{display:block;width:100%}.request-table tr{border:1px solid #ddd;border-radius:4px;overflow:hidden}.request-table tr:not(:last-child){margin-bottom:.3rem}.request-table td{position:relative;padding-left:22%;padding-top:.3rem;padding-bottom:.3rem;border-bottom:1px solid #eee;font-size:.85rem;display:flex;align-items:center;min-height:44px}.request-table td:last-child{border-bottom:none}.request-table td:before{content:attr(data-label);position:absolute;left:0;top:0;width:18%;height:100%;background-color:#f0f0f0;font-weight:600;color:#333;border-right:1px solid #ddd;display:flex;align-items:center;justify-content:center;font-size:.75rem;line-height:1;word-break:break-word}.request-table tr tr:hover{background-color:#fff}.button-group{width:100%;max-width:100%}.large-button{max-width:100%!important}.page-home{min-height:300px}.expense-form{max-width:100%}.approvals-cell,.actions-cell{font-size:.8rem}.approval-avatars{gap:.3rem}.avatar{width:28px;height:28px;border-width:1px}.action-btn{padding:.4rem .8rem;margin:0 .2rem;font-size:.75rem}.filter-label{display:none}.small-select{max-width:100%;width:100%}}.request-table td[data-label=日付],.request-table th:nth-child(2){text-align:right}.filter-label{text-align:right}.detail-page{max-width:900px;margin:0 auto;padding:1rem;background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.detail-content{margin:2rem 0;padding:1.5rem;background-color:var(--light-color);border-radius:var(--border-radius)}.detail-field{display:flex;margin-bottom:1.5rem;align-items:center}.detail-field label{font-weight:600;color:var(--dark-color);min-width:150px;margin-right:1rem;display:block}.detail-field span{flex:1;padding:.5rem 1rem;background-color:#fff;border-radius:var(--border-radius);border:1px solid #ddd}.detail-section{margin-top:2rem;padding:1.5rem;background-color:#fff;border-radius:var(--border-radius);border:1px solid #ddd}.detail-section h3{color:var(--primary-color);margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--primary-color)}.approvals-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}.approval-item{padding:1rem;background-color:var(--light-color);border-radius:var(--border-radius);border-left:4px solid var(--secondary-color);display:flex;justify-content:space-between;align-items:center}.approver-name{font-weight:500;color:var(--dark-color)}.approval-status{padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:600}.approval-status.status-pending,.approval-status.status-none{background-color:#e3f2fd;color:#1976d2}.approval-status.status-approved{background-color:#e8f5e9;color:#388e3c}.approval-status.status-rejected{background-color:#ffebee;color:#d32f2f}.status{padding:.5rem 1rem;border-radius:4px;font-weight:500;display:inline-block}.status.status-pending{background-color:#e3f2fd;color:#1565c0}.status.status-approved{background-color:#e8f5e9;color:#2e7d32}.status.status-rejected{background-color:#ffebee;color:#c62828}.detail-actions{display:flex;gap:1rem;margin-top:2rem;flex-wrap:wrap;justify-content:flex-end}.approve-btn,.reject-btn,.delete-btn{padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.approve-btn{background-color:var(--success-color);color:#fff}.approve-btn:hover{background-color:#218838;transform:translateY(-2px);box-shadow:0 4px 8px #28a7454d}.reject-btn{background-color:var(--warning-color);color:#333}.reject-btn:hover{background-color:#e0a800;transform:translateY(-2px);box-shadow:0 4px 8px #ffc1074d}.delete-btn{background-color:var(--danger-color);color:#fff}.delete-btn:hover{background-color:#c82333;transform:translateY(-2px);box-shadow:0 4px 8px #dc35454d}@media(max-width:768px){.detail-field{flex-direction:column;align-items:flex-start}.detail-field label{min-width:auto;margin-bottom:.5rem}.detail-field span{width:100%}.approvals-list{grid-template-columns:1fr}.detail-actions{justify-content:stretch}.approve-btn,.reject-btn,.delete-btn{flex:1}}.toast-container{position:fixed;top:80px;right:20px;z-index:9999;pointer-events:none}.toast{background-color:var(--success-color);color:#fff;padding:1rem 1.5rem;border-radius:4px;box-shadow:0 4px 12px #00000026;margin-bottom:10px;min-width:300px;animation:slideInFadeOut 3s ease-in-out forwards;pointer-events:auto}@keyframes slideInFadeOut{0%{transform:translate(400px);opacity:0}10%{transform:translate(0);opacity:1}90%{transform:translate(0);opacity:1}to{transform:translate(400px);opacity:0}}@media(max-width:768px){.toast-container{top:10px;right:10px;left:10px}.toast{min-width:auto;width:100%}}.account-modal-backdrop{position:fixed;inset:0;background:#00000059;display:flex;align-items:center;justify-content:center;padding:1rem;z-index:1000}.account-modal{width:min(680px,100%);background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--box-shadow);padding:1.5rem}.account-modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}.account-modal-header h2{margin:0;font-size:1.4rem}.account-modal-header p{margin:.35rem 0 0;color:var(--secondary-color);font-size:.92rem}.account-modal-close{border:none;background:transparent;border-radius:4px;width:40px;height:40px;min-width:auto;min-height:auto;font-size:1.25rem;color:var(--dark-color)}.account-loading{padding:2rem 1rem;text-align:center;color:var(--secondary-color)}.account-form{display:grid;gap:1.25rem}.account-profile-card{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:center;padding:1.1rem;border-radius:var(--border-radius);background-color:var(--light-color)}.account-avatar-large{width:72px;height:72px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background-color:var(--primary-color);color:#fff;font-size:1.8rem;font-weight:700}.account-profile-meta{display:grid;gap:.6rem}.account-profile-line{display:grid;gap:.25rem}.account-profile-label{font-size:.84rem;font-weight:700;color:var(--secondary-color)}.account-profile-value{font-size:1rem;font-weight:600;color:var(--dark-color);word-break:break-word}.account-profile-note{margin:0;font-size:.86rem;color:var(--secondary-color)}.account-error{margin:0;color:var(--danger-color);font-weight:600}.account-actions{display:flex;justify-content:flex-end;gap:.75rem;flex-wrap:wrap}@media(max-width:640px){.account-modal{padding:1rem}.account-profile-card{grid-template-columns:1fr;text-align:center;justify-items:center}.account-actions{flex-direction:column}.account-actions button{width:100%}}