:root {
    --bg-primary: #1e1e2e;
    --bg-secondary: #313244;
    --bg-surface: #45475a;
    --bg-hover: #585b70;
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-muted: #6c7086;
    --accent-blue: #89b4fa;
    --accent-green: #a6e3a1;
    --accent-red: #f38ba8;
    --accent-yellow: #f9e2af;
    --accent-mauve: #cba6f7;
    --accent-peach: #fab387;
    --accent-teal: #94e2d5;
    --border: #585b70;
    --q1-color: #f38ba8;
    --q2-color: #89b4fa;
    --q3-color: #fab387;
    --q4-color: #6c7086;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { height: 100%; }
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: "Segoe UI", "Yu Gothic UI", "Meiryo UI", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    height: 100%; overflow: hidden;
}
/* base.html を使わない独立ページ (login / register / releases) では
   body の overflow: hidden を解除してスクロールを有効にする。
   .app-layout がない = base.html 未使用のページ。 */
body:has(.login-container) { overflow: auto; height: auto; }
body:has(.releases-page) { overflow: auto; height: auto; }

a { color: var(--accent-blue); text-decoration: none; }

/* Layout */
/* 100dvh は iOS Safari 等でアドレスバーを考慮した動的ビューポート高さ。
   100vh をフォールバックに残し、dvh 対応ブラウザではそちらを使う (#3)。 */
.app-layout { display: grid; grid-template-columns: 1fr; height: 100vh; height: 100dvh; width: 100vw; }
.sidebar {
    position: fixed; left: -300px; top: 0; bottom: 0; width: 280px; z-index: 50;
    background: var(--bg-secondary); border-right: 1px solid var(--border);
    display: flex; flex-direction: column; padding: 16px 16px;
    transition: left 0.2s ease;
    box-sizing: border-box;
}
.sidebar.open { left: 0; }
.sidebar-overlay {
    display: none; position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,0.4);
}
.sidebar.open ~ .sidebar-overlay { display: block; }
.sidebar-header { margin-bottom: 24px; padding: 0 4px; }
.app-title {
    font-size: 22px; font-weight: bold; color: var(--accent-blue);
    white-space: nowrap; overflow: visible; line-height: 1.2;
}
.nav-links { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.nav-btn {
    display: block; padding: 10px 12px; border-radius: 8px;
    color: var(--text-secondary); font-size: 13px; transition: all 0.15s;
}
.nav-btn:hover { background: var(--bg-surface); color: var(--text-primary); }
.nav-btn.active { background: var(--accent-blue); color: var(--bg-primary); font-weight: bold; }
.nav-btn-sub { font-size: 12px; }
.sidebar-footer { margin-top: auto; display: flex; flex-direction: column; gap: 4px; border-top: 1px solid var(--border); padding-top: 12px; }
.content { min-width: 0; overflow-y: auto; display: flex; flex-direction: column; }
.topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 16px 0; flex-shrink: 0;
}
.icon-bar { display: flex; gap: 4px; margin-left: auto; }
.icon-btn {
    background: none; border: none; color: var(--text-secondary); cursor: pointer;
    padding: 6px; border-radius: 6px; position: relative; display: flex; align-items: center;
}
.icon-btn:hover { background: var(--bg-surface); color: var(--text-primary); }
.icon-badge {
    position: absolute; top: 0; right: 0; background: var(--accent-red);
    color: #fff; font-size: 10px; font-weight: bold; min-width: 16px; height: 16px;
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    padding: 0 3px;
}

/* Modal */
.modal-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6);
    z-index: 1000; justify-content: center; align-items: center; padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal-dialog {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; width: 480px; max-width: 95vw; max-height: 80vh;
    display: flex; flex-direction: column;
    /* overflow: hidden を使わない。モバイルでタッチスクロールを阻害するため。
       内部スクロールは .modal-body の overflow-y: auto で担保する。 */
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.modal-title { font-size: 16px; font-weight: bold; }
.modal-close {
    background: none; border: none; color: var(--text-secondary); font-size: 22px;
    cursor: pointer; padding: 0 4px; line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 16px 20px; overflow-y: auto; flex: 1; }
.modal-empty { text-align: center; padding: 40px 0; color: var(--text-secondary); }
.modal-empty-icon { font-size: 40px; display: block; margin-bottom: 8px; }

/* Modal tabs */
.modal-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.modal-tab {
    background: none; border: none; color: var(--text-secondary); padding: 8px 16px;
    cursor: pointer; font-size: 13px; border-bottom: 2px solid transparent;
}
.modal-tab.active { color: var(--accent-blue); border-bottom-color: var(--accent-blue); font-weight: bold; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Tutorial modal */
.tutorial-flow { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.tutorial-step {
    display: flex; align-items: center; gap: 12px; width: 100%;
    padding: 10px 16px; background: var(--bg-surface); border-radius: 8px;
}
.tutorial-icon { font-size: 20px; flex-shrink: 0; }
.tutorial-step p { font-size: 12px; color: var(--text-secondary); margin: 0; }
.tutorial-step strong { font-size: 14px; }
.tutorial-arrow { color: var(--text-secondary); font-size: 16px; }
.howto-list { display: flex; flex-direction: column; gap: 12px; }
.howto-item { padding: 10px 0; border-bottom: 1px solid var(--border); }
.howto-item strong { font-size: 13px; }
.howto-item p { font-size: 12px; color: var(--text-secondary); margin: 4px 0 0; }

/* Help modal */
.help-section { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.help-item { display: flex; gap: 10px; align-items: flex-start; }
.help-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.help-item strong { font-size: 13px; display: block; }
.help-item p { font-size: 12px; color: var(--text-secondary); margin: 2px 0 0; }
.help-developer {
    background: var(--bg-surface); border-radius: 8px; padding: 16px;
    border-left: 3px solid var(--accent-red);
}
.help-developer strong { font-size: 14px; display: block; margin-bottom: 8px; }
.help-developer p { font-size: 12px; color: var(--text-secondary); line-height: 1.8; margin: 4px 0; }
.faq-list { display: flex; flex-direction: column; gap: 4px; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
    padding: 10px 0; cursor: pointer; font-size: 13px; font-weight: bold;
    color: var(--text-primary);
}
.faq-item p { font-size: 12px; color: var(--text-secondary); padding: 0 0 10px; line-height: 1.7; }

/* Inbox modal */
.inbox-actions { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.inbox-list { display: flex; flex-direction: column; gap: 4px; }
.inbox-item {
    display: flex; gap: 10px; align-items: flex-start; padding: 10px;
    border-radius: 6px; background: var(--bg-surface);
}
.inbox-unread { border-left: 3px solid var(--accent-blue); }
.inbox-item-icon { font-size: 18px; flex-shrink: 0; }
.inbox-item-content { flex: 1; }
.inbox-item-content strong { font-size: 13px; display: block; }
.inbox-item-content p { font-size: 12px; color: var(--text-secondary); margin: 2px 0 0; }
.inbox-item-date { font-size: 11px; color: var(--text-secondary); flex-shrink: 0; }

/* Contact modal */
.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-item {
    display: flex; gap: 12px; align-items: center; padding: 16px;
    background: var(--bg-surface); border-radius: 8px; cursor: pointer;
}
.contact-item:hover { background: var(--bg-primary); }
.coming-soon-title { font-size: 15px; font-weight: bold; color: var(--text-primary); margin-bottom: 4px; }
.coming-soon-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }
.contact-icon { font-size: 22px; flex-shrink: 0; }
.contact-item strong { font-size: 14px; display: block; }
.contact-item p { font-size: 12px; color: var(--text-secondary); margin: 2px 0 0; }

/* Achievement modal */
.achievement-stats { display: flex; gap: 12px; margin-bottom: 16px; }
.achievement-stat {
    flex: 1; display: flex; gap: 8px; align-items: center; padding: 12px;
    background: var(--bg-surface); border-radius: 8px;
}
.achievement-stat-icon { font-size: 20px; }
.achievement-stat-label { font-size: 11px; color: var(--text-secondary); display: block; }
.achievement-stat-value { font-size: 20px; font-weight: bold; }
.achievement-badges { display: flex; flex-direction: column; gap: 6px; }
.achievement-badge {
    padding: 8px 12px; background: var(--bg-surface); border-radius: 6px;
    font-size: 13px; font-weight: bold;
}
.achievement-next { text-align: center; padding: 16px 0; }

.hamburger {
    display: block; position: relative; z-index: 100;
    background: var(--bg-secondary); border: 1px solid var(--border);
    color: var(--text-primary); font-size: 20px; padding: 8px 12px;
    border-radius: 8px; cursor: pointer;
}
/* サイドバーが開いているとき、ハンバーガーボタンを z-index 50 のサイドバーの
   下に潜らせて「Defrago」テキストとの被りを解消する (#1) */
.sidebar.open ~ .content .hamburger { z-index: 30; }

/* Page */
.page-container { padding: 24px; padding-top: 8px; flex: 1; width: 100%; min-height: 0; display: flex; flex-direction: column; }
.page-title { font-size: 20px; font-weight: bold; margin-bottom: 4px; }
.page-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }
.section-title { font-size: 16px; font-weight: bold; margin-bottom: 12px; }
.muted-text { color: var(--text-muted); font-size: 12px; margin-bottom: 12px; }
.empty-msg { color: var(--text-secondary); font-size: 14px; padding: 24px; text-align: center; }

/* Input */
.input-row { display: flex; gap: 8px; margin-bottom: 16px; }
.text-input {
    background: var(--bg-surface); border: 1px solid var(--border); border-radius: 6px;
    padding: 8px 12px; color: var(--text-primary); font-size: 14px; flex: 1; width: 100%;
}
.text-input:focus { border-color: var(--accent-blue); outline: none; }
.text-input::placeholder { color: var(--text-muted); }
.text-area-sm { min-height: 60px; resize: vertical; font-family: inherit; }
.select-input {
    background: var(--bg-surface); border: 1px solid var(--border); border-radius: 6px;
    padding: 6px 12px; color: var(--text-primary); font-size: 13px;
}
.select-sm { padding: 4px 8px; font-size: 12px; }

/* Buttons */
.btn-primary {
    background: var(--accent-blue); color: var(--bg-primary); border: none;
    border-radius: 6px; padding: 8px 16px; font-weight: bold; font-size: 13px; cursor: pointer;
}
.btn-primary:hover { background: #7aa8f0; }
.btn-secondary {
    background: var(--bg-surface); color: var(--text-primary); border: none;
    border-radius: 6px; padding: 8px 16px; font-size: 13px; cursor: pointer;
}
.btn-secondary:hover { background: var(--bg-hover); }
.btn-danger {
    background: var(--accent-red); color: var(--bg-primary); border: none;
    border-radius: 6px; padding: 8px 16px; font-weight: bold; font-size: 13px; cursor: pointer;
}
.btn-danger:hover { background: #e07a96; }
.btn-sm { padding: 4px 12px; font-size: 12px; border-radius: 4px; border: none; cursor: pointer; }
.btn-sm.btn-primary { background: var(--accent-blue); color: var(--bg-primary); font-weight: bold; }
.btn-sm.btn-secondary { background: var(--bg-surface); color: var(--text-primary); }
.btn-sm.btn-danger { background: var(--accent-red); color: var(--bg-primary); font-weight: bold; }
.btn-full { width: 100%; }
.btn-row { display: flex; gap: 12px; margin-top: 12px; }
.btn-order { background: var(--bg-surface); color: var(--text-primary); border: none; border-radius: 4px; padding: 2px 8px; font-size: 10px; cursor: pointer; }
.btn-order:hover { background: var(--bg-hover); }

/* Cards */
.item-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 12px 16px; margin-bottom: 8px;
}
.card-header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-title { font-size: 14px; font-weight: bold; }
.card-scores { color: var(--text-muted); font-size: 11px; margin-top: 4px; }
.card-note { color: var(--text-muted); font-size: 12px; margin-top: 4px; }
.card-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; align-items: flex-start; }
.decompose-form { display: flex; gap: 6px; align-items: flex-start; flex: 1; }
.decompose-form textarea { flex: 1; }

/* Tags */
.tag-badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 11px; font-weight: bold; color: var(--bg-primary);
}
.tag-delegation { background: var(--accent-mauve); }
.tag-project { background: var(--accent-yellow); }
.tag-do_now { background: var(--accent-red); }
.tag-task { background: var(--accent-blue); }
.project-badge { color: var(--accent-blue); font-size: 11px; font-weight: bold; }

/* Project groups */
.project-group-header {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px; margin-top: 16px; margin-bottom: 4px;
    border-left: 3px solid var(--accent-blue); color: var(--accent-blue);
    font-size: 13px; font-weight: bold;
}
.project-group-header:first-child { margin-top: 0; }
.project-group-icon { font-size: 14px; }
.project-group-title { flex: 1; }
.item-card-child, .task-row-child { margin-left: 16px; border-left: 2px solid var(--bg-surface); }
.order-badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 24px; height: 20px; border-radius: 10px;
    background: var(--bg-surface); color: var(--accent-blue);
    font-size: 11px; font-weight: bold; padding: 0 4px;
}

/* Task rows */
.task-row {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 10px 16px; margin-bottom: 6px;
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.task-title { flex: 1; font-size: 14px; min-width: 100px; }

/* Filter */
.filter-row { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.filter-label { color: var(--text-secondary); font-size: 13px; }

/* Next Action */
.next-action-card {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    background: var(--bg-secondary); border: 1px solid var(--accent-blue);
    border-radius: 8px; padding: 20px 24px; margin-bottom: 24px;
}
.next-action-message { font-size: 16px; font-weight: bold; flex: 1; }
.next-action-btn { white-space: nowrap; font-size: 14px; padding: 10px 24px; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
.stat-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 16px; text-align: center;
}
.stat-value { font-size: 28px; font-weight: bold; color: var(--accent-blue); }
.stat-label { color: var(--text-secondary); font-size: 12px; margin-top: 4px; }

/* Matrix */
.matrix-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 8px; flex: 1; min-height: 0; }
.matrix-cell { background: var(--bg-secondary); border-radius: 8px; padding: 12px; overflow-y: auto; }
.matrix-cell.q1 { border-left: 3px solid var(--q1-color); }
.matrix-cell.q2 { border-left: 3px solid var(--q2-color); }
.matrix-cell.q3 { border-left: 3px solid var(--q3-color); }
.matrix-cell.q4 { border-left: 3px solid var(--q4-color); }
.matrix-label { font-size: 12px; font-weight: bold; margin-bottom: 4px; }
.matrix-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 8px; }
.matrix-item { font-size: 12px; padding: 2px 0; color: var(--text-secondary); }

/* Clarification */
.item-display {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 20px; font-size: 18px; font-weight: bold;
    margin-bottom: 16px;
}
.question-text { font-size: 15px; margin-bottom: 12px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-secondary); }
.form-label.required::after { content: " *"; color: var(--accent-red); }
.checkbox-label, .radio-label {
    display: inline-flex; align-items: center; gap: 6px;
    margin-right: 16px; font-size: 13px; cursor: pointer;
}
.slider-group { margin-bottom: 16px; }
.slider { width: 100%; accent-color: var(--accent-blue); }

/* Login */
.login-container {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--bg-primary); gap: 20px;
    padding: 40px 20px;
}
.login-two-col {
    flex-direction: row; gap: 48px;
}
@media (max-width: 800px) {
    .login-container { justify-content: flex-start; }
    .login-two-col { flex-direction: column; gap: 20px; }
}
.philosophy-card { width: 360px; max-width: 90vw; text-align: center; }
.philosophy-catchcopy {
    font-size: 22px; font-weight: bold; color: var(--text-primary);
    margin-bottom: 16px; letter-spacing: 0.05em;
}
.philosophy-text {
    font-size: 13px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px;
}
.philosophy-principles {
    display: flex; flex-direction: column; gap: 8px; margin-top: 16px; text-align: left;
}
.philosophy-principle {
    display: flex; flex-direction: column; gap: 2px;
    padding: 8px 12px; border-left: 2px solid var(--accent);
    background: var(--bg-secondary); border-radius: 0 6px 6px 0;
}
.philosophy-principle-name { font-size: 12px; font-weight: bold; color: var(--accent); }
.philosophy-principle-desc { font-size: 12px; color: var(--text-secondary); }
.login-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; padding: 40px; width: 360px; max-width: 90vw;
}
.login-title { font-size: 28px; font-weight: bold; color: var(--accent-blue); text-align: center; margin-bottom: 4px; }
.login-subtitle { color: var(--text-secondary); text-align: center; margin-bottom: 24px; }
.login-register-link { text-align: center; font-size: 13px; margin-top: 16px; color: var(--text-secondary); }
.login-register-link a { color: var(--accent); }
.register-link-disabled span { color: var(--text-muted); }
.register-disabled {
    text-align: center; padding: 24px 16px;
}
.register-disabled-icon { font-size: 40px; display: block; margin-bottom: 12px; }
.register-disabled p {
    font-size: 14px; color: var(--text-secondary); line-height: 1.8;
}
.login-card .form-group { margin-bottom: 16px; }
.error-msg { background: rgba(243,139,168,0.15); color: var(--accent-red); padding: 8px 12px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.warning-banner {
    display: flex; gap: 10px; align-items: flex-start;
    background: rgba(249,226,175,0.12);
    border: 1px solid rgba(249,226,175,0.4);
    border-left: 4px solid var(--accent-yellow);
    border-radius: 6px; padding: 12px 14px; margin-bottom: 18px;
}
.warning-banner-icon { font-size: 20px; line-height: 1.2; flex-shrink: 0; }
.warning-banner-body { flex: 1; min-width: 0; }
.warning-banner-title {
    display: block; color: var(--accent-yellow);
    font-size: 13px; font-weight: bold; margin-bottom: 4px;
}
.warning-banner-text {
    color: var(--text-secondary); font-size: 12px;
    line-height: 1.6; margin: 0;
}
.register-ack {
    display: flex; gap: 8px; align-items: flex-start;
    font-size: 12px; color: var(--text-secondary);
    margin-bottom: 16px; cursor: pointer;
}
.register-ack input[type="checkbox"] { margin-top: 2px; flex-shrink: 0; }

/* Flow action (next phase navigation) */
.flow-action { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); }
.flow-action .btn-full { font-size: 15px; padding: 12px 24px; }
.flow-message {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 24px; text-align: center; flex: 1;
}
.flow-message-text { color: var(--text-secondary); font-size: 14px; }
.flow-message-link { font-size: 14px; font-weight: bold; }

/* Scrollable content areas */
#item-list,
#task-list,
#organization-area,
#clarification-area { flex: 1; overflow-y: auto; min-height: 0; }

/* Plan wizard */
.plan-wizard {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 20px; margin-bottom: 16px;
}
.plan-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 12px;
}
.plan-project-title { font-weight: bold; font-size: 16px; }
.plan-step-badge {
    background: var(--accent); color: #fff; padding: 2px 10px;
    border-radius: 12px; font-size: 12px; font-weight: bold;
}
.plan-step-title { font-size: 15px; margin-bottom: 4px; }
.plan-context {
    background: var(--bg-primary); border-left: 3px solid var(--accent);
    padding: 10px 14px; border-radius: 4px; margin: 12px 0;
    font-size: 13px; line-height: 1.6;
}
.form-hint { font-size: 12px; color: var(--text-secondary); margin-bottom: 6px; }
.organize-list { display: flex; flex-direction: column; gap: 8px; }
.organize-row {
    display: flex; align-items: center; gap: 8px;
}
.organize-index {
    font-size: 12px; font-weight: bold; color: var(--text-secondary);
    min-width: 24px; text-align: center;
}
.organize-title { flex: 1; }
.organize-deadline { width: 150px; }
.next-action-list { display: flex; flex-direction: column; gap: 6px; }
.next-action-row {
    display: flex; align-items: center; gap: 8px; padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.next-action-badge {
    background: #e8f5e9; color: #2e7d32; padding: 1px 6px;
    border-radius: 4px; font-size: 11px; font-weight: bold;
}
.next-action-title { flex: 1; }
.next-action-deadline { font-size: 12px; color: var(--text-secondary); }

/* Settings */
.settings-section { margin-bottom: 24px; }
.settings-section-header {
    display: flex; align-items: center; gap: 8px; font-size: 13px;
    color: var(--text-secondary); margin-bottom: 8px; padding-left: 4px;
}
.settings-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden;
}
.settings-item {
    display: flex; align-items: center; gap: 12px; padding: 14px 16px;
}
.settings-item-icon {
    color: var(--text-secondary); flex-shrink: 0;
    width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
    background: var(--bg-surface); border-radius: 8px;
}
.settings-item-content { flex: 1; }
.settings-item-content strong { font-size: 14px; display: block; }
.settings-item-content p { font-size: 12px; color: var(--text-secondary); margin: 2px 0 0; }
.settings-divider { height: 1px; background: var(--border); margin: 0 16px; }
.settings-check { color: var(--accent-green); font-size: 18px; }

/* Danger zone (アカウント削除) */
.settings-section-header-danger { color: var(--accent-red); }
.settings-card-danger {
    border-color: rgba(243,139,168,0.45);
    background: rgba(243,139,168,0.05);
}
.settings-item-danger { align-items: flex-start; }
.settings-item-danger .settings-item-content strong { color: var(--accent-red); }
.danger-form { padding: 0 16px 16px; display: flex; flex-direction: column; gap: 12px; }
.danger-form .register-ack { margin-bottom: 0; }
.btn-full { width: 100%; }

/* Toggle switch */
.settings-toggle { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.settings-toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0; background: var(--bg-surface);
    border-radius: 12px; cursor: pointer; transition: 0.2s;
}
.toggle-slider::before {
    content: ''; position: absolute; height: 18px; width: 18px;
    left: 3px; bottom: 3px; background: var(--text-secondary);
    border-radius: 50%; transition: 0.2s;
}
.settings-toggle input:checked + .toggle-slider { background: var(--accent-blue); }
.settings-toggle input:checked + .toggle-slider::before {
    transform: translateX(20px); background: #fff;
}

/* Releases page */
.releases-page {
    min-height: 100vh; background: var(--bg-primary); color: var(--text-primary);
    padding: 40px 20px;
}
.releases-header { text-align: center; margin-bottom: 32px; }
.releases-header h1 { font-size: 24px; margin-bottom: 8px; }
.releases-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.release-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; padding: 24px; border-left: 3px solid var(--accent-blue);
}
.release-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.release-version-badge {
    background: var(--bg-surface); color: var(--text-primary); padding: 4px 14px;
    border-radius: 6px; font-weight: bold; font-size: 14px;
}
.release-date { color: var(--text-secondary); font-size: 13px; }
.release-latest-badge {
    background: var(--accent-green); color: #1e1e2e; padding: 2px 10px;
    border-radius: 10px; font-size: 11px; font-weight: bold;
}
.release-changes { display: flex; flex-direction: column; gap: 10px; }
.release-change-item { display: flex; gap: 10px; font-size: 14px; line-height: 1.6; }
.release-check { color: var(--accent-green); flex-shrink: 0; font-weight: bold; }

/* Inbox detail */
.inbox-detail-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.inbox-detail-header strong { font-size: 16px; }
.inbox-detail-icon { font-size: 22px; }
.inbox-detail-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.inbox-detail-type {
    background: var(--bg-surface); padding: 2px 10px; border-radius: 10px;
    font-size: 11px; color: var(--accent-blue); font-weight: bold;
}
.inbox-detail-date { font-size: 12px; color: var(--text-secondary); }
.inbox-detail-body { font-size: 14px; line-height: 1.8; padding: 16px 0; border-top: 1px solid var(--border); }
.inbox-detail-footer { display: flex; justify-content: flex-end; padding-top: 12px; }

/* Help actions */
.help-about-developer {
    background: var(--bg-surface); border-radius: 8px; padding: 16px; margin-top: 16px;
    border-left: 3px solid var(--accent-blue);
}
.help-about-developer strong { font-size: 14px; display: block; margin-bottom: 8px; }
.help-about-developer p { font-size: 12px; color: var(--text-secondary); line-height: 1.8; margin: 4px 0 12px; }
.help-developer-link {
    display: inline-flex; align-items: center; gap: 6px; font-size: 13px;
    color: var(--accent-blue); font-weight: bold; text-decoration: none;
}
.help-developer-link:hover { text-decoration: underline; }
.help-actions { display: flex; justify-content: center; margin: 16px 0; }
.help-update-btn { text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }

/* Quick classify (Inbox) */
.quick-classify-row {
    display: flex; align-items: center; gap: 8px; margin-top: 12px; flex-wrap: wrap;
}
.quick-classify-label { font-size: 12px; color: var(--text-secondary); margin-right: 4px; }
.quick-tag-btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    color: var(--text-primary); border-radius: 8px; cursor: pointer;
    font-size: 13px; transition: all 0.15s;
}
.quick-tag-btn:hover {
    background: var(--bg-surface); transform: translateY(-1px);
}
.quick-tag-icon { font-size: 16px; }
.quick-tag-delegation:hover { border-color: var(--accent-mauve); }
.quick-tag-project:hover { border-color: var(--accent-blue); }
.quick-tag-do_now:hover { border-color: var(--accent-yellow); }
.quick-tag-task:hover { border-color: var(--accent-green); }

/* Clarification (4-button mode) */
.clarification-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 12px; padding: 32px; margin-top: 16px;
}
.clarification-title {
    font-size: 22px; font-weight: bold; text-align: center;
    margin-bottom: 24px; padding: 16px;
    background: var(--bg-primary); border-radius: 8px;
    word-break: break-word;
}
.clarification-buttons {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 16px;
}
.classify-btn {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 20px 16px; background: var(--bg-surface); border: 2px solid var(--border);
    color: var(--text-primary); border-radius: 10px; cursor: pointer;
    transition: all 0.15s; text-align: center;
}
.classify-btn:hover { transform: translateY(-2px); }
.classify-icon { font-size: 28px; }
.classify-label { font-size: 15px; font-weight: bold; }
.classify-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.4; }
.classify-delegation:hover { border-color: var(--accent-mauve); background: rgba(203,166,247,0.1); }
.classify-project:hover { border-color: var(--accent-blue); background: rgba(137,180,250,0.1); }
.classify-do-now:hover { border-color: var(--accent-yellow); background: rgba(249,226,175,0.1); }
.classify-task:hover { border-color: var(--accent-green); background: rgba(166,227,161,0.1); }
.clarification-secondary {
    display: flex; justify-content: center; gap: 12px; padding-top: 16px;
    border-top: 1px solid var(--border);
}

/* Bulk action */
.bulk-action-bar {
    margin-bottom: 12px; padding: 10px 14px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px;
}
.bulk-action-bar form {
    display: flex; align-items: center; gap: 8px;
}
.bulk-label { font-size: 12px; color: var(--text-secondary); white-space: nowrap; }
.bulk-check-all {
    display: flex; align-items: center; gap: 4px;
    font-size: 12px; color: var(--text-secondary); cursor: pointer; white-space: nowrap;
}
.bulk-check-all input[type="checkbox"] { accent-color: var(--accent-blue); }
.task-checkbox {
    accent-color: var(--accent-blue); flex-shrink: 0; cursor: pointer;
    width: 16px; height: 16px;
}

/* Trash */
.trash-list { display: flex; flex-direction: column; gap: 12px; }
.trash-card {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 8px; padding: 14px;
}
.trash-card-header {
    display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
    flex-wrap: wrap;
}
.trash-card-title { font-weight: bold; flex: 1; word-break: break-word; }
.trash-card-meta { font-size: 12px; color: var(--text-secondary); margin-bottom: 12px; }
.trash-deleted-at { display: inline-flex; align-items: center; gap: 4px; }
.trash-card-actions { display: flex; gap: 8px; }

/* Iconbar link button */
.icon-btn-link { text-decoration: none; }
.icon-btn-link.active { color: var(--accent-blue); }

/* Responsive */
@media (max-width: 768px) {
    .page-container { padding: 16px; padding-top: 8px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .clarification-buttons { grid-template-columns: 1fr; gap: 8px; }
    .quick-classify-row { gap: 6px; }
    .quick-tag-btn { padding: 6px 10px; font-size: 12px; }

    /* iOS は font-size < 16px の入力でオートズームするため、
       16px 以上にして画面倍率の固定を防ぐ (#2) */
    .text-input,
    .select-input,
    .select-sm,
    input[type="text"],
    input[type="password"],
    input[type="email"],
    input[type="number"],
    input[type="search"],
    textarea,
    select {
        font-size: 16px;
    }

    /* 明確化画面: 縦に収まりやすいようにカード内余白と
       ボタンサイズを縮小 (#9, #10) */
    .clarification-card {
        padding: 16px 14px;
        margin-top: 8px;
    }
    .clarification-title {
        font-size: 17px;
        padding: 12px;
        margin-bottom: 14px;
    }
    .classify-btn {
        padding: 14px 10px;
        gap: 4px;
    }
    .classify-icon { font-size: 22px; }
    .classify-label { font-size: 14px; }
    .classify-desc { font-size: 11px; }
    .clarification-secondary {
        padding-top: 12px;
        gap: 8px;
        flex-wrap: wrap;
    }
    .clarification-secondary .btn-sm {
        flex: 1;
        min-width: 0;
    }

    /* ハンバーガーメニュー: 狭い画面ではサイドバーが画面の85%を
       超えないように調整しつつ、Defrago テキスト見切れ防止 (#5) */
    .sidebar {
        width: min(280px, 85vw);
        left: calc(-1 * min(300px, 90vw));
    }
    .app-title { font-size: 20px; }

    /* スマホ: コンテンツ領域のスクロールを確実にする (#3)。
       .content が flex: 1 で高さ制約を受けていても、
       内部コンテンツが溢れた場合にタッチスクロールを有効にする。 */
    .content {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
        min-height: 0;
    }
    .page-container {
        overflow-y: auto;
        min-height: 0;
        flex: 1;
    }

    /* 一括操作バーをモバイルで縦並びに */
    .bulk-action-bar form { flex-wrap: wrap; }
}

/* iOS Safari 等で画面の向き切替時にフォントが拡大される現象を抑止 */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}