:root{--color-bg:#fff;--color-surface:#f8f9fa;--color-border:#e2e8f0;--color-text:#1a202c;--color-text-secondary:#64748b;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-success:#16a34a;--color-success-bg:#f0fdf4;--color-success-border:#bbf7d0;--color-warning:#d97706;--color-warning-bg:#fffbeb;--color-danger:#dc2626;--color-role-staff:#2563eb;--color-role-ceo:#7c3aed;--color-role-guest:#64748b;--font-sans:"Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", system-ui, -apple-system, sans-serif;--shadow-raised:0 2px 8px #0000000f;--shadow-floating:0 4px 16px #0000001a;--radius-card:12px;--radius-btn:8px;--radius-badge:100px}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-sans);letter-spacing:.02em;color:var(--color-text);background:var(--color-surface);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-size:15px;line-height:1.8}h1{margin:0 0 8px;font-size:1.5rem;font-weight:700;line-height:1.4}h2{margin:0 0 8px;font-size:1.25rem;font-weight:700;line-height:1.4}h3{margin:0 0 8px;font-size:1rem;font-weight:600;line-height:1.5}p{margin:0}a{color:var(--color-primary);text-decoration:none}a:hover{color:var(--color-primary-hover)}.header{background:var(--color-bg);border-bottom:1px solid var(--color-border);z-index:100;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;max-width:800px;margin:0 auto;padding:12px 16px;display:flex}.header-title{color:var(--color-text);font-size:1rem;font-weight:700;text-decoration:none}.header-title:hover{color:var(--color-text)}.role-badge{color:#fff;border-radius:4px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.role-badge--staff{background:var(--color-role-staff)}.role-badge--ceo{background:var(--color-role-ceo)}.role-badge--guest{background:var(--color-role-guest)}.main{width:100%;max-width:800px;margin:0 auto;padding:32px 16px 48px}@media (width>=640px){.main{padding:32px 24px 48px}}.dashboard__subtitle{color:var(--color-text-secondary);margin-bottom:24px}.dashboard__phases{flex-direction:column;gap:12px;display:flex}.phase-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);color:var(--color-text);padding:20px;text-decoration:none;transition:box-shadow .15s;display:block}.phase-card:hover{box-shadow:var(--shadow-raised);color:var(--color-text)}.phase-card__header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:8px;display:flex}.phase-card__title{margin:0;font-size:1rem;font-weight:600}.phase-card__description{color:var(--color-text-secondary);margin-bottom:8px;font-size:13px}.phase-card__link{color:var(--color-primary);font-size:13px;font-weight:500}.progress-bar{flex-shrink:0;align-items:center;gap:8px;display:flex}.progress-bar__track{background:var(--color-border);border-radius:var(--radius-badge);width:60px;height:6px;overflow:hidden}.progress-bar__fill{background:var(--color-success);border-radius:var(--radius-badge);height:100%;transition:width .3s}.progress-bar__label{color:var(--color-text-secondary);white-space:nowrap;font-size:11px;font-weight:600}.breadcrumb{color:var(--color-text-secondary);margin-bottom:16px;font-size:13px}.breadcrumb a{color:var(--color-text-secondary)}.breadcrumb a:hover{color:var(--color-primary)}.breadcrumb__separator{margin:0 6px}.document-list{flex-direction:column;gap:8px;margin-top:16px;display:flex}.document-list__item{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-btn);color:var(--color-text);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;transition:box-shadow .15s;display:flex}.document-list__item:hover{box-shadow:var(--shadow-raised);color:var(--color-text)}.document-list__title{font-weight:500;display:block}.task-info{flex:1;align-items:flex-start;gap:10px;min-width:0;display:flex}.task-type-icon{flex-shrink:0;font-size:1rem;line-height:1.4}.task-description{color:var(--color-text-secondary);font-size:12px;line-height:1.5;display:block}.task-page__description{color:var(--color-text-secondary);margin-bottom:24px}.task-page__empty{background:var(--color-surface);border:1px dashed var(--color-border);border-radius:var(--radius-card);text-align:center;color:var(--color-text-secondary);padding:32px}.task-page__action-info,.task-page__milestone-info{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:24px}.badge{border-radius:var(--radius-badge);white-space:nowrap;padding:4px 10px;font-size:11px;font-weight:600;display:inline-block}.badge--approved{background:var(--color-success-bg);color:var(--color-success)}.badge--type-document{color:#2563eb;background:#eff6ff}.badge--type-action{color:#16a34a;background:#f0fdf4}.badge--type-milestone{color:#d97706;background:#fef3c7}.badge--pending{background:var(--color-warning-bg);color:var(--color-warning)}.document-page__header{flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:24px;display:flex}.document-page__approval{border-top:1px solid var(--color-border);margin-top:32px;padding-top:24px}.phase-page__description{color:var(--color-text-secondary)}.btn{border-radius:var(--radius-btn);font-size:15px;font-weight:600;font-family:var(--font-sans);cursor:pointer;border:none;justify-content:center;align-items:center;padding:10px 20px;transition:background .15s;display:inline-flex}.btn--approve{background:var(--color-success);color:#fff}.btn--approve:hover{background:#15803d}.btn--cancel{background:var(--color-surface);color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn--cancel:hover{background:var(--color-border)}.btn--large{width:100%;padding:12px 24px}@media (width>=640px){.btn--large{width:auto}}.approval-confirm{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:20px}.approval-confirm p{margin-bottom:12px;font-weight:600}.approval-confirm__actions{gap:8px;display:flex}.approval-done{background:var(--color-success-bg);color:var(--color-success);border:1px solid var(--color-success-border);border-radius:var(--radius-btn);align-items:center;gap:8px;padding:12px 16px;font-weight:500;display:flex}.approval-done__icon{font-size:1.25rem}.markdown-body{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);padding:24px}@media (width>=640px){.markdown-body{padding:32px}}.markdown-body h1{border-bottom:1px solid var(--color-border);margin:0 0 16px;padding-bottom:8px;font-size:1.5rem}.markdown-body h2{margin:24px 0 12px;font-size:1.25rem}.markdown-body h3{margin:20px 0 8px;font-size:1rem}.markdown-body p{margin:0 0 12px}.markdown-body ul,.markdown-body ol{margin:0 0 12px;padding-left:24px}.markdown-body li{margin-bottom:6px}.markdown-body table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}.markdown-body th,.markdown-body td{border:1px solid var(--color-border);text-align:left;padding:8px 12px}.markdown-body th{background:var(--color-surface);font-weight:600}.markdown-body code{background:var(--color-surface);border-radius:4px;padding:2px 6px;font-family:ui-monospace,Consolas,monospace;font-size:13px}.markdown-body pre{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-btn);padding:16px;overflow-x:auto}.markdown-body pre code{background:0 0;padding:0}.markdown-body strong{font-weight:700}.pdca-overview{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-card);margin-bottom:32px;padding:20px}.pdca-overview__header{justify-content:space-between;align-items:baseline;margin-bottom:8px;display:flex}.pdca-overview__label{font-size:1rem;font-weight:700}.pdca-overview__percent{color:var(--color-primary);font-size:1.5rem;font-weight:700}.pdca-overview__bar{background:var(--color-border);border-radius:var(--radius-badge);height:8px;margin-bottom:20px;overflow:hidden}.pdca-overview__bar-fill{background:var(--color-success);border-radius:var(--radius-badge);height:100%;transition:width .3s}.pdca-overview__categories{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (width<=480px){.pdca-overview__categories{grid-template-columns:1fr}}.pdca-category{background:var(--color-surface);border-radius:var(--radius-btn);padding:12px}.pdca-category__header{align-items:center;gap:6px;margin-bottom:2px;display:flex}.pdca-category__dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.pdca-category__label{font-size:13px;font-weight:700}.pdca-category__count{color:var(--color-text-secondary);margin-left:auto;font-size:11px;font-weight:600}.pdca-category__desc{color:var(--color-text-secondary);margin-bottom:6px;padding-left:14px;font-size:11px;display:block}.pdca-category__bar{background:var(--color-border);border-radius:var(--radius-badge);height:4px;overflow:hidden}.pdca-category__bar-fill{border-radius:var(--radius-badge);height:100%;transition:width .3s}.pdca-category__empty{color:var(--color-text-secondary);padding-left:14px;font-size:11px;font-style:italic}.dashboard__sections{flex-direction:column;gap:24px;display:flex}.dashboard__section-title{align-items:center;gap:8px;margin-bottom:12px;font-size:1rem;display:flex}.pdca-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.pdca-dot--plan{background:#2563eb}.pdca-dot--do{background:#16a34a}.pdca-dot--check{background:#d97706}.pdca-dot--act{background:#7c3aed}.not-found{text-align:center;padding:48px 0}.not-found a{margin-top:16px;display:inline-block}.document-page__doc-actions{gap:8px;margin-bottom:16px;display:flex}.btn{cursor:pointer;border-radius:6px;padding:6px 16px;font-size:14px;font-weight:500;transition:all .15s}.btn--outline{color:#374151;background:#fff;border:1px solid #d1d5db}.btn--outline:hover{background:#f3f4f6;border-color:#9ca3af}.btn--danger{color:#dc2626;border-color:#fca5a5}.btn--danger:hover{background:#fef2f2}.badge--edited{color:#92400e;background:#fef3c7;border-radius:4px;padding:2px 8px;font-size:12px}.doc-editor{border:1px solid #d1d5db;border-radius:8px;margin-bottom:24px;overflow:hidden}.doc-editor__toolbar{background:#f9fafb;border-bottom:1px solid #e5e7eb;display:flex}.doc-editor__toggle{cursor:pointer;color:#6b7280;background:0 0;border:none;border-bottom:2px solid #0000;padding:8px 20px;font-size:14px;transition:all .15s}.doc-editor__toggle--active{color:#2563eb;border-bottom-color:#2563eb;font-weight:500}.doc-editor__textarea{resize:vertical;box-sizing:border-box;border:none;outline:none;width:100%;min-height:500px;padding:16px;font-family:SF Mono,Fira Code,Consolas,monospace;font-size:14px;line-height:1.7}.doc-editor__preview{padding:16px}.doc-editor__actions{background:#f9fafb;border-top:1px solid #e5e7eb;gap:8px;padding:12px 16px;display:flex}.doc-editor__btn{cursor:pointer;border:none;border-radius:6px;padding:8px 24px;font-size:14px;font-weight:500;transition:all .15s}.doc-editor__btn--save{color:#fff;background:#2563eb}.doc-editor__btn--save:hover{background:#1d4ed8}.doc-editor__btn--save:disabled{cursor:not-allowed;background:#93c5fd}.doc-editor__btn--cancel{color:#374151;background:#fff;border:1px solid #d1d5db}.doc-editor__btn--cancel:hover{background:#f3f4f6}.comment-section{border-top:1px solid #e5e7eb;margin-top:32px;padding-top:24px}.comment-section__title{color:#111827;margin-bottom:16px;font-size:16px;font-weight:600}.comment-section__empty,.comment-section__loading{color:#6b7280;margin-bottom:16px;font-size:14px}.comment-list{flex-direction:column;gap:12px;margin-bottom:16px;display:flex}.comment-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:12px 16px}.comment-item__header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.comment-item__author{color:#2563eb;font-size:13px;font-weight:600}.comment-item__time{color:#9ca3af;font-size:12px}.comment-item__text{color:#374151;white-space:pre-wrap;font-size:14px;line-height:1.6}.comment-form{flex-direction:column;gap:8px;display:flex}.comment-form__textarea{resize:vertical;box-sizing:border-box;border:1px solid #d1d5db;border-radius:6px;outline:none;width:100%;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.5}.comment-form__textarea:focus{border-color:#2563eb;box-shadow:0 0 0 2px #2563eb1a}.comment-form__submit{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:6px;align-self:flex-end;padding:8px 20px;font-size:14px;font-weight:500;transition:background .15s}.comment-form__submit:hover{background:#1d4ed8}.comment-form__submit:disabled{cursor:not-allowed;background:#93c5fd}.login-page{background:#f0f4f8;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-page__title{color:#111827;margin-bottom:8px;font-size:28px;font-weight:700}.login-page__subtitle{color:#6b7280;margin-bottom:32px;font-size:14px}.login-page__btn{color:#374151;background:#fff;border:1px solid #d1d5db;border-radius:8px;align-items:center;gap:10px;padding:12px 32px;font-size:15px;font-weight:500;text-decoration:none;transition:all .15s;display:inline-flex;box-shadow:0 1px 3px #0000001a}.login-page__btn:hover{background:#f9fafb;border-color:#9ca3af;box-shadow:0 2px 6px #0000001f}.login-page__guest{color:var(--color-text-secondary);text-underline-offset:3px;margin-top:16px;padding:8px 16px;font-size:13px;text-decoration:underline;display:inline-block}.login-page__guest:hover{color:var(--color-text)}.header-user{align-items:center;gap:8px;display:flex}.header-logout{color:#6b7280;cursor:pointer;background:#f3f4f6;border:1px solid #d1d5db;border-radius:6px;align-items:center;gap:4px;padding:5px 10px;font-size:12px;transition:all .15s;display:flex}.header-logout:hover{color:#374151;background:#e5e7eb}