:root {
    /* ── ブランドカラー ── */
    --color-primary: #00A0EA;
    --color-primary-dark: #0088C9;
    --color-primary-hover: #0088C9;
    --color-primary-light: #66C8F3;
    --color-primary-bg: #D3EDFA;
    --color-secondary: #6b7280;
    --color-green: #21A372;
    --color-green-light: #6BC8A4;
    --color-danger: #E5484D;
    --color-danger-dark: #C9363B;
    --color-success: #21A372;
    --color-warning: #FFF100;
    --color-yellow: #FFF100;
    --color-yellow-light: #FFF76A;
    --color-primary-text: #C9DBE9;

    --input-bg: #f2fafe;
    --input-border: #009fe8;

    --focus-ring: 0 0 0 2px rgba(2, 171, 192, 0.45);

    --color-bg: #f3f4f6;
    --color-white: #ffffff;
    --color-text: #6E6E6E;
    --color-text-light: #6E6E6E;
    --color-border: #e5e7eb;
    --header-height: 56px;
    --sidebar-width: 240px;

    /* ── セマンティックサーフェス ── */
    --color-primary-surface: rgba(0, 160, 234, 0.12);
    --color-success-surface: rgba(33, 163, 114, 0.12);
    --color-danger-surface: rgba(229, 72, 77, 0.08);
    --color-danger-border: rgba(229, 72, 77, 0.2);
    --color-primary-border: rgba(0, 160, 234, 0.35);
    --color-success-border: rgba(33, 163, 114, 0.28);
    --color-warning-surface: #fef9c3;
    --color-orange-surface: #fed7aa;
    --color-purple-surface: #f3e8ff;
    --color-purple-border: #e9d5ff;
    --color-teal-surface: #ccfbf1;
    --color-text-teal: #115e59;
    --color-amber-surface: #fef3c7;
    --color-orange-light-surface: #ffedd5;
    --color-danger-light-surface: #fee2e2;
    --color-danger-bg: #fef2f2;
    --color-success-strong-surface: #a7f3d0;
    --color-danger-strong-surface: #fecaca;
    --color-info-bg: #eff6ff;
    --color-sky-bg: #f0f9ff;
    --color-sky-surface: #e0f2fe;
    --color-pink-surface: #fce7f3;
    --color-slate-surface: #f1f5f9;
    --color-partner-surface: #FFF1CC;
    --color-partner-text: #9A6700;

    /* ── セマンティックテキスト ── */
    --color-text-danger: #991b1b;
    --color-text-danger-light: #b91c1c;
    --color-text-success: #166534;
    --color-text-warning: #92400e;
    --color-text-warning-dark: #854d0e;
    --color-text-info: #1e40af;
    --color-text-orange: #9a3412;
    --color-text-orange-light: #ea580c;
    --color-text-orange-dark: #c2410c;
    --color-text-purple: #6b21a8;
    --color-text-purple-light: #7e22ce;
    --color-text-purple-dark: #9333ea;
    --color-text-success-dark: #065f46;
    --color-text-danger-dark: #7f1d1d;

    --color-emerald: #21A372;
    --color-blue-500: #00A0EA;
    --color-amber: #F5C400;
    --color-amber-hover: #D9A800;
    --color-red-500: #E5484D;
    --color-red-dark: #991B1B;
    --color-success-border: #B6E6D2;

    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;

    /* ── ボーダー半径 (Green Cross: 10px / 20px) ── */
    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 0.625rem;
    --radius-xl: 1.25rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-cta: 0 4px 14px 0 rgba(2, 171, 192, 0.35);

    /* ── サーフェス（追加） ── */
    --color-surface-light: #F4F8FB;
    --color-surface-blue: var(--color-primary-bg);
    --color-accent-surface: #FFFCDB;
    --color-accent-border: rgba(255, 241, 0, 0.45);
    --color-info-surface: rgba(0, 160, 234, 0.08);
}

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

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* 固定ヘッダー分のアンカースクロール補正 */
[id] {
    scroll-margin-top: calc(var(--header-height) + 16px);
}

.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-primary-bg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    padding-top: env(safe-area-inset-top, 0px);
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    padding-right: max(1rem, env(safe-area-inset-right, 0px));
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
}

.header-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.header-role {
    display: none;
}

.header-user {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary);
}

.header-logout {
    display: inline-flex;
    align-items: center;
    margin: 0;
}

.btn-logout {
    background: var(--color-primary);
    border: none;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--color-white);
    font-weight: 700;
    transition: background-color 0.15s;
}

.btn-logout:hover {
    background: var(--color-primary-dark);
}

.header-logo-link {
    display: inline-flex;
    align-items: center;
}

.header-logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.app-container {
    display: flex;
    margin-top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    min-height: calc(100vh - var(--header-height) - env(safe-area-inset-top, 0px));
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-border);
    padding: 1rem;
    padding-bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    padding-left: max(1rem, env(safe-area-inset-left, 0px));
    position: fixed;
    top: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.app-sidebar nav,
.app-sidebar > div:first-child {
    overflow-y: auto;
    overflow-x: hidden;
}

/* Sidebar scrollbar styling (Webkit) */
.app-sidebar::-webkit-scrollbar {
    width: 6px;
}

.app-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, 0.3);
    border-radius: 3px;
}

.app-sidebar::-webkit-scrollbar-thumb:hover {
    background-color: rgba(156, 163, 175, 0.5);
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-gray-400);
    text-transform: uppercase;
    margin: 0 0 0.5rem;
    padding: 0;
}

.sidebar-section + .sidebar-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
}

.sidebar-section + .sidebar-section.sidebar-section--no-gap {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    color: var(--color-gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.25rem;
    border-radius: 0;
    transition: background-color 0.15s;
}

.sidebar-link:hover {
    background: var(--color-gray-50);
}

.sidebar-link.active {
    color: var(--color-primary);
    background: var(--color-primary-surface);
    font-weight: 500;
    border-left: 3px solid var(--color-primary);
    padding-left: calc(0.75rem - 3px);
}

.sidebar-link.active:hover {
    background: var(--color-surface-blue, var(--color-primary-bg));
}

.sidebar-bottom {
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.sidebar-bottom .sidebar-link {
    border-radius: 0;
}

.sidebar-chat-link {
    position: relative;
}

.sidebar-chat-unread-badge,
.sidebar-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.25rem;
    background-color: var(--color-danger);
    color: #ffffff;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 700;
    line-height: 1;
    margin-left: 0.375rem;
    vertical-align: middle;
}

.sidebar-quotation-link {
    position: relative;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 1.5rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
    padding-right: max(1.5rem, env(safe-area-inset-right, 0px));
    min-width: 0;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--color-primary-bg);
    padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
}

.login-container {
    width: 100%;
    max-width: 28rem;
    padding: 1rem;
}

.login-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.login-logo-img {
    max-width: 240px;
    width: 100%;
    height: auto;
    margin: 0 auto 1rem auto;
    display: block;
}

.login-title {
    text-align: center;
    color: var(--color-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
}

.login-title--single-line {
    font-size: 1.25rem;
    white-space: nowrap;
}

.login-description {
    margin: 0 0 1.5rem 0;
}

.login-subtitle {
    text-align: center;
    color: var(--color-gray-500);
    font-size: 0.875rem;
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    margin: 0;
    border: 1.5px solid var(--color-gray-300);
    border-radius: 0.25rem;
    background-color: #fff;
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.checkbox-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked::after {
    content: '';
    position: absolute;
    top: 1.1px;
    left: 4.6px;
    width: 0.3125rem;
    height: 0.5625rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-input:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--color-primary-light);
}

.checkbox-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.checkbox-text {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.forgot-password-link {
    font-size: 0.875rem;
    color: var(--color-primary);
    text-decoration: none;
}

.forgot-password-link:hover {
    text-decoration: underline;
}

.btn-login {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
}

.login-error {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--color-danger-surface);
    border: 1px solid var(--color-danger-border);
    border-radius: var(--radius-lg);
}

.login-error p {
    font-size: 0.875rem;
    color: var(--color-danger);
    margin: 0;
}

.login-info {
    margin-top: 1rem;
    padding: 0.75rem;
    background-color: var(--color-primary-surface);
    border-radius: var(--radius-lg);
}

.login-info p {
    font-size: 0.875rem;
    color: var(--color-primary);
    margin: 0;
}

/* Form */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}


/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    padding: 0 1.25rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-block {
    width: 100%;
}

/* Error Page */
.error-page {
    text-align: center;
    padding: 3rem 1rem;
}

.error-page h1 {
    font-size: 4rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.error-page p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
}

/* ========================================
   Hamburger Button
   ======================================== */
.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--color-primary);
    cursor: pointer;
    transition: background-color 0.15s;
}

.hamburger-btn:hover {
    background-color: rgba(0, 160, 234, 0.08);
}

.hamburger-btn svg {
    width: 1.5rem;
    height: 1.5rem;
}

/* ========================================
   Sidebar Overlay (mobile)
   ======================================== */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 140;
}

.sidebar-overlay.active {
    display: block;
}

/* ========================================
   Responsive - Desktop (>768px)
   ======================================== */
@media (min-width: 769px) {
    .hamburger-btn {
        display: none !important;
    }
    .sidebar-overlay {
        display: none !important;
    }
}

/* ========================================
   Responsive - Mobile (<=768px)
   ======================================== */
@media (max-width: 768px) {
    .hamburger-btn {
        display: flex !important;
    }

    .app-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        z-index: 150;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        padding-top: env(safe-area-inset-top, 0px);
    }

    .app-sidebar .sidebar-section:first-child {
        margin-top: 1rem;
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding-left: max(1rem, env(safe-area-inset-left, 0px));
        padding-right: max(1rem, env(safe-area-inset-right, 0px));
    }

    .app-header {
        height: auto;
        min-height: var(--header-height);
        padding: 0.5rem 0.75rem;
        padding-top: calc(0.5rem + env(safe-area-inset-top, 0px));
        padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
        padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
        min-width: 0;
    }

    .header-left {
        gap: 0.25rem;
        flex-shrink: 1;
        min-width: 0;
        overflow: hidden;
    }

    .header-right {
        gap: 0.5rem;
        flex-shrink: 0;
        flex-wrap: nowrap;
        align-items: center;
    }

    .header-logo {
        font-size: 0.875rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .header-user {
        display: none;
    }

    .header-role {
        font-size: 0.7rem;
        white-space: nowrap;
    }

    .btn-logout {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
        white-space: nowrap;
    }

    .header-notification-link {
        padding: 0.125rem;
    }

    .header-notification-link .icon-sm {
        width: 1.25rem;
        height: 1.25rem;
    }

    .header-reload-btn {
        padding: 0.125rem;
    }

    .header-reload-btn .icon-sm {
        width: 1.25rem;
        height: 1.25rem;
    }

    .header-logo-img {
        height: 20px;
    }

    /* Responsive tables - horizontal scroll */
    .table-wrapper {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Responsive padding */
    .p-6 {
        padding: 1rem !important;
    }

    .px-6 {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    /* 固定幅入力フィールドをモバイルで全幅に */
    .input-phone,
    .input-date,
    .input-postal-code,
    .input-search {
        width: 100%;
        min-width: 0;
    }
}

/* ========================================
   Responsive - 中型スマホ (390px~768px)
   iPhone XR/11/12/13/14 等でロゴ拡大
   ======================================== */
@media (min-width: 390px) and (max-width: 768px) {
    .header-logo-img {
        height: 24px;
    }

    .header-notification-link .icon-sm {
        width: 1.375rem;
        height: 1.375rem;
    }

    .header-reload-btn .icon-sm {
        width: 1.375rem;
        height: 1.375rem;
    }
}

/* ========================================
   Responsive - タブレット (769px~1024px)
   iPad等でロゴ・ヘッダー要素サイズ調整
   ======================================== */
@media (min-width: 769px) and (max-width: 1024px) {
    .header-logo-img {
        height: 32px;
    }
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-2) 0;
}

.page-description {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    margin: 0;
}

.section-spacing {
    margin-bottom: 1.5rem;
}

.back-link {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.back-link::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    flex-shrink: 0;
    background-color: currentColor;
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><line x1='19' y1='12' x2='5' y2='12'/><polyline points='12 19 5 12 12 5'/></svg>");
    mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><line x1='19' y1='12' x2='5' y2='12'/><polyline points='12 19 5 12 12 5'/></svg>");
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.back-link:hover {
    color: var(--color-gray-700);
}

.text-sm-gray {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-1);
}

.required-mark {
    color: var(--color-danger);
}

.help-text {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.field-error {
    font-size: 0.75rem;
    color: var(--color-danger);
    margin-top: 0.25rem;
}

.field-warning {
    display: none;
    font-size: 0.75rem;
    color: var(--color-danger);
    margin-top: 0.25rem;
}

.field-warning.is-visible {
    display: block;
}

.form-input-error {
    border-color: var(--color-danger);
}

.error-summary {
    background-color: var(--color-danger-surface);
    border: 1px solid var(--color-danger-border);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
}

.error-summary-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-danger);
    margin-bottom: 0.5rem;
}

.error-summary-list {
    list-style: disc;
    padding-left: 1.25rem;
    font-size: 0.8125rem;
    color: var(--color-text-danger-light);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: flex-end;
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-gray-700);
    background-color: white;
    border: 1px solid var(--color-gray-300);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-icon {
    gap: 0.375rem;
    line-height: 1;
}

.btn-icon svg {
    flex-shrink: 0;
}

.btn.btn-help-circle {
    width: 1.75rem;
    min-width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border-radius: 50%;
    font-weight: bold;
    font-size: 0.875rem;
    flex-shrink: 0;
    line-height: 1;
    margin-left: -0.125rem;
    margin-right: 0.25rem;
}

.btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-gray-700);
    background-color: white;
    border: 1px solid var(--color-gray-300);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-cancel:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    color: white;
    background-color: var(--color-primary);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-submit:hover {
    background-color: var(--color-primary-hover);
}

.icon-xs-base {
    width: 1.25rem;
    height: 1.25rem;
}

.flex-items-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.input-base {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    line-height: 1.25rem;
    background-color: var(--input-bg);
    transition: all 0.2s ease;
}

.input-base:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 160, 234, 0.5);
    border-color: var(--color-primary);
}

.input-base:disabled {
    background-color: var(--color-gray-50);
    cursor: not-allowed;
}

.input-email { width: 100%; max-width: 28rem; }
.input-phone { width: 12rem; }
.input-postal-code { width: 8rem; }
.input-name { width: 100%; max-width: 24rem; }
.input-name-kana { width: 100%; max-width: 24rem; }
.input-address { width: 100%; max-width: 32rem; }
.input-date { width: 12rem; }
.input-number { width: 6rem; }
.input-search { min-width: 16rem; flex: 1; }
.input-code { width: 8rem; }
.input-contact-person { width: 100%; max-width: 20rem; }
.input-municipality { width: 100%; max-width: 20rem; }
.input-sm { width: 100%; max-width: 16rem; }

.input-readonly {
    background-color: var(--color-gray-50);
}

.select-base {
    padding: var(--spacing-2) 2rem var(--spacing-2) var(--spacing-3);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    line-height: 1.25rem;
    background-color: var(--input-bg);
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M2.22 4.47a.75.75 0 0 1 1.06 0L6 7.19l2.72-2.72a.75.75 0 1 1 1.06 1.06L6.53 8.78a.75.75 0 0 1-1.06 0L2.22 5.53a.75.75 0 0 1 0-1.06z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
    cursor: pointer;
}

.select-base:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 160, 234, 0.5);
    border-color: var(--color-primary);
}

.select-prefecture { width: 10rem; }
.select-status { width: 8rem; }
.select-department { width: 12rem; }
.select-role { width: 10rem; }

.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table {
    min-width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th {
    background-color: var(--color-surface-blue, var(--color-primary-bg));
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-gray-300);
}

.table td {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.table tr:hover {
    background-color: var(--color-gray-50);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.hidden {
    display: none !important;
}

.block {
    display: block;
}

.icon-sm {
    width: 1.25rem;
    height: 1.25rem;
}

/* モバイル対応*/
@media (max-width: 768px) {
    .icon-sm {
        width: 1.25rem;
        height: 1.25rem;
    }
}

.icon-xs {
    width: 1rem;
    height: 1rem;
}

.icon-md {
    width: 1.5rem;
    height: 1.5rem;
}

.icon-primary {
    color: var(--color-primary);
}

.icon-success {
    color: var(--color-success);
}


.text-sm-link {
    font-size: 0.875rem;
    color: var(--color-primary);
    text-decoration: none;
}

.text-sm-link:hover {
    text-decoration: underline;
}

.text-sm-primary {
    font-size: 0.875rem;
    color: var(--color-primary);
}

.relative {
    position: relative;
}

.header-notification-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    text-decoration: none;
    padding: 0.25rem;
    line-height: 1;
}

.header-notification-link:hover {
    color: var(--color-primary-hover);
}

.header-reload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-primary);
    padding: 0.25rem;
    cursor: pointer;
    line-height: 1;
}

.header-reload-btn:hover {
    color: var(--color-primary-hover);
}

.header-unread-badge {
    position: absolute;
    top: -2px;
    right: -4px;
    min-width: 1rem;
    height: 1rem;
    padding: 0 0.25rem;
    background-color: var(--color-danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 600;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sticky-header {
    position: sticky;
    top: 0;
    z-index: 10;
}

.sticky-header th {
    position: sticky;
    top: 0;
    background-color: var(--color-gray-50);
    z-index: 10;
    box-shadow: 0 1px 0 var(--color-gray-200);
}

/* Toast */
.gc-toast {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    pointer-events: none;
}

.gc-toast__item {
    pointer-events: auto;
    min-width: 320px;
    max-width: 480px;
    background: var(--color-white);
    border: 0.5px solid rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    padding: 14px 18px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12), 0 1px 4px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: gc-toast-in .22s cubic-bezier(0.16, 1, 0.3, 1);
}

.gc-toast__item.is-leaving {
    animation: gc-toast-out .18s ease-in forwards;
}

@keyframes gc-toast-in {
    from { opacity: 0; transform: translateY(-12px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes gc-toast-out {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(-8px) scale(0.97); }
}

.gc-toast__icon {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gc-toast__icon svg {
    width: 22px;
    height: 22px;
}

.gc-toast__msg {
    margin: 0;
    font-size: 15px;
    line-height: 1.5;
    color: rgba(0, 0, 0, 0.85);
    flex: 1;
    font-weight: 500;
}

.gc-toast__close {
    flex-shrink: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 2px;
    line-height: 1;
    color: rgba(0, 0, 0, 0.35);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: color .15s, background .15s;
}

.gc-toast__close:hover {
    color: rgba(0, 0, 0, 0.65);
    background: rgba(0, 0, 0, 0.05);
}

.gc-toast__item.is-success .gc-toast__icon { color: #1D9E75; }
.gc-toast__item.is-info    .gc-toast__icon { color: #378ADD; }
.gc-toast__item.is-warning .gc-toast__icon { color: #BA7517; }
.gc-toast__item.is-error   .gc-toast__icon { color: #E24B4A; }

@media (max-width: 768px) {
    .gc-toast {
        left: 1rem;
        right: 1rem;
        transform: none;
        top: calc(env(safe-area-inset-top, 0px) + 70px);
    }

    .gc-toast__item {
        min-width: 0;
        max-width: none;
        width: 100%;
    }
}

/* Confirm Modal */
.gc-modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10001;
}
.gc-modal.is-open { display: flex; }

.gc-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(17,24,39,.45);
}

.gc-modal__panel {
    position: relative;
    width: min(560px, calc(100% - 32px));
    background: var(--color-white);
    border-radius: 16px;
    padding: 18px 18px 14px;
    box-shadow: 0 10px 25px rgba(0,0,0,.18);
}

.gc-modal__title { margin: 0 0 6px; font-size: 1.05rem; }
.gc-modal__message { margin: 0 0 14px; color: rgba(0,0,0,.75); }
.gc-modal__actions { display: flex; justify-content: flex-end; gap: 10px; }

.gc-modal__body { margin: 16px 0; }
.gc-modal__field { margin-bottom: 12px; }
.gc-modal__field .form-select,
.gc-modal__field .form-input { width: 100%; box-sizing: border-box; }
.gc-modal__field-row { display: flex; gap: 8px; align-items: center; }
.gc-modal__field-row > select,
.gc-modal__field-row > input[type="text"] { flex: 1; min-width: 0; }
.gc-modal__success { color: #16a34a; margin-bottom: 12px; }
.gc-modal__error { margin-bottom: 12px; }

/* SearchModal（gc-modal 内から開かれた場合にも前面に表示） */
#search-modal-overlay { z-index: 10002; }

/* ── ユーティリティクラス ── */
.text-success { color: var(--color-success); }
.p-8 { padding: 2rem; }
.form-help-text {
  color: var(--color-gray-500);
  font-size: 0.85rem;
  margin-top: 4px;
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-header-with-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

/* モバイル対応（セクションヘッダー） */
@media (max-width: 768px) {
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .section-header-with-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .flex-items-between {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .flex-items-between button,
  .flex-items-between a {
    width: 100%;
    text-align: center;
  }

  .page-title {
    font-size: 1.125rem;
  }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-text-warning { color: var(--color-text-warning); }
.text-text-success { color: var(--color-text-success); }
.bg-white { background-color: white; }
.font-bold { font-weight: 600; }
.text-gray { color: var(--color-gray-500); }
.label-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.5rem;
}
.flex-start-gap-2 {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

/* ========================================
   Badges - Rating
   ======================================== */
.rating-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.rating-badge-a {
  background-color: var(--color-success-surface);
  color: var(--color-text-success);
}

.rating-badge-b {
  background-color: var(--color-surface-blue);
  color: var(--color-text-info);
}

.rating-badge-c {
  background-color: var(--color-accent-surface);
  color: var(--color-text-warning-dark);
}

.rating-badge-d {
  background-color: var(--color-danger-surface);
  color: var(--color-text-danger);
}

/* ========================================
   Badges - Partner
   ======================================== */
.partner-badge {
  display: inline-block;
  background-color: var(--color-surface-blue);
  color: var(--color-text-info);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ========================================
   Badges - Permit
   ======================================== */
.permit-badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.permit-badge-approved {
  background-color: var(--color-success-surface);
  color: var(--color-text-success);
}

.permit-badge-pending {
  background-color: var(--color-accent-surface);
  color: var(--color-text-warning-dark);
}

.permit-badge-unknown {
  background-color: var(--color-danger-surface);
  color: var(--color-danger);
  border: 1px solid var(--color-danger-border);
}

.permit-badge-partial {
  background-color: var(--color-accent-surface);
  color: var(--color-text-warning-dark);
}

.permit-badge-facility {
  background-color: var(--color-success-surface);
  color: var(--color-text-success);
}

.permit-badge-not-required {
  background-color: var(--color-success-surface);
  color: var(--color-text-success);
}


.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    padding-top: 0;
    padding-bottom: 0;
    padding-left: 1rem;
    padding-right: 1rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;
    color: var(--color-white);
    background-color: var(--color-danger);
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-danger:hover {
    background-color: var(--color-danger-dark);
}

/* ========================================
   トグルスイッチ（共通）
   ======================================== */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.toggle-slider {
    width: 2.75rem;
    height: 1.5rem;
    background-color: var(--color-gray-200);
    border-radius: 9999px;
    position: relative;
    transition: background-color 0.2s;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1.25rem;
    height: 1.25rem;
    background-color: white;
    border: 1px solid var(--color-gray-300);
    border-radius: 9999px;
    transition: transform 0.2s;
}

.toggle-input:checked + .toggle-slider {
    background-color: var(--color-primary);
}

.toggle-input:checked + .toggle-slider::after {
    transform: translateX(1.25rem);
    border-color: white;
}

.toggle-input:focus + .toggle-slider {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* 有効/無効スイッチ行レイアウト */
.toggle-enabled-section {
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
}

.toggle-enabled-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.toggle-enabled-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toggle-enabled-label {
    font-size: 0.875rem;
    font-weight: 600;
}

.toggle-enabled-label--active {
    color: var(--color-primary);
}

.toggle-enabled-label--inactive {
    color: var(--color-danger);
}

/* ========================================
   ユーティリティクラス — Spacing
   ======================================== */
.m-0  { margin: 0; }
.m-1  { margin: var(--spacing-1); }
.m-2  { margin: var(--spacing-2); }
.m-4  { margin: var(--spacing-4); }

.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }

.ml-1 { margin-left: var(--spacing-1); }
.mr-1 { margin-right: var(--spacing-1); }

/* ========================================
   ユーティリティクラス — Sizing
   ======================================== */
.w-full  { width: 100%; }
.h-full  { height: 100%; }
.w-64    { width: 16rem; }

.cursor-pointer { cursor: pointer; }
.text-danger  { color: var(--color-danger); }
.bg-danger  { background-color: var(--color-danger); }
.bg-warning { background-color: var(--color-warning); }
.bg-primary { background-color: var(--color-primary); }
.bg-green   { background-color: var(--color-green); }
.flex-shrink-0{ flex-shrink: 0; }
.vertical-middle { vertical-align: middle; }

/* ========================================
   ユーティリティクラス — Display / Flex
   ======================================== */
.flex-items-center {
    display: flex;
    align-items: center;
}

.justify-end {
    justify-content: flex-end;
}

.flex-start-gap-sm {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.flex-start-gap-md {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.flex-gap-md {
    display: flex;
    gap: 0.75rem;
}

.flex-gap-lg {
    display: flex;
    gap: 1rem;
}

.flex-center-gap-4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

.flex-center-gap-2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

/* ========================================
   ユーティリティクラス — Typography
   ======================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.object-cover {
    object-fit: cover;
}

/* ========================================
   送信中スピナー（二重送信防止）
   ======================================== */
.btn-spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: btn-spin 0.6s linear infinite;
    margin-right: 0.375rem;
    vertical-align: middle;
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

.btn-submit--saving {
    opacity: 0.7;
    cursor: not-allowed;
    vertical-align: middle;
}

.btn-submit--saving .btn-spinner {
    margin: 0;
}

.btn-secondary .btn-spinner {
    border-color: rgba(0, 160, 234, 0.3);
    border-top-color: var(--color-primary);
}

/* ========================================
   Pull-to-Refresh (mobile touch devices)
   ======================================== */
.ptr-indicator {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.ptr-spinner {
    width: 40px;
    height: 40px;
    background: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: transform 0.2s ease;
}

.ptr-ready .ptr-spinner {
    transform: rotate(180deg);
}

.ptr-refreshing .ptr-spinner {
    animation: ptr-spin 0.8s linear infinite;
}

@keyframes ptr-spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   横スクロールバー常時表示
   macOS / iOS のオーバーレイスクロールバーを
   常時表示に切り替える
   ======================================== */
.table-wrapper,
.table-responsive,
.overflow-x-auto,
.detail-list-full,
.dashboard-table-wrapper,
.gantt-container,
.gantt-grid-wrapper,
.quotation-details-table-wrapper,
.search-modal-table-container,
.calendar-card {
    scrollbar-width: thin;
    scrollbar-color: rgba(156, 163, 175, 0.5) transparent;
}

.table-wrapper::-webkit-scrollbar,
.table-responsive::-webkit-scrollbar,
.overflow-x-auto::-webkit-scrollbar,
.detail-list-full::-webkit-scrollbar,
.dashboard-table-wrapper::-webkit-scrollbar,
.gantt-container::-webkit-scrollbar,
.gantt-grid-wrapper::-webkit-scrollbar,
.quotation-details-table-wrapper::-webkit-scrollbar,
.search-modal-table-container::-webkit-scrollbar,
.calendar-card::-webkit-scrollbar {
    height: 8px;
}

.table-wrapper::-webkit-scrollbar-track,
.table-responsive::-webkit-scrollbar-track,
.overflow-x-auto::-webkit-scrollbar-track,
.detail-list-full::-webkit-scrollbar-track,
.dashboard-table-wrapper::-webkit-scrollbar-track,
.gantt-container::-webkit-scrollbar-track,
.gantt-grid-wrapper::-webkit-scrollbar-track,
.quotation-details-table-wrapper::-webkit-scrollbar-track,
.search-modal-table-container::-webkit-scrollbar-track,
.calendar-card::-webkit-scrollbar-track {
    background: transparent;
}

.table-wrapper::-webkit-scrollbar-thumb,
.table-responsive::-webkit-scrollbar-thumb,
.overflow-x-auto::-webkit-scrollbar-thumb,
.detail-list-full::-webkit-scrollbar-thumb,
.dashboard-table-wrapper::-webkit-scrollbar-thumb,
.gantt-container::-webkit-scrollbar-thumb,
.gantt-grid-wrapper::-webkit-scrollbar-thumb,
.quotation-details-table-wrapper::-webkit-scrollbar-thumb,
.search-modal-table-container::-webkit-scrollbar-thumb,
.calendar-card::-webkit-scrollbar-thumb {
    background-color: rgba(156, 163, 175, 0.5);
    border-radius: 4px;
}

.table-wrapper::-webkit-scrollbar-thumb:hover,
.table-responsive::-webkit-scrollbar-thumb:hover,
.overflow-x-auto::-webkit-scrollbar-thumb:hover,
.detail-list-full::-webkit-scrollbar-thumb:hover,
.dashboard-table-wrapper::-webkit-scrollbar-thumb:hover,
.gantt-container::-webkit-scrollbar-thumb:hover,
.gantt-grid-wrapper::-webkit-scrollbar-thumb:hover,
.quotation-details-table-wrapper::-webkit-scrollbar-thumb:hover,
.search-modal-table-container::-webkit-scrollbar-thumb:hover,
.calendar-card::-webkit-scrollbar-thumb:hover {
    background-color: rgba(156, 163, 175, 0.7);
}