/* meta-matic - Minimal Style */

@import url('https://fonts.googleapis.com/css2?family=Rampart+One&family=Space+Grotesk:wght@400;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

:root {
    --color-primary: #00b390;
    --color-primary-hover: #008870;
    --color-text: #1f2937;
    --color-text-light: #6b7280;
    --color-bg: #ffffff;
    --color-bg-light: #f9fafb;
    --color-border: #e5e7eb;

    --color-info-bg:      #f0fdf9;
    --color-info-text:    #065f46;

    --color-warning:      #f59e0b;
    --color-warning-bg:   #fffbeb;
    --color-warning-text: #92400e;

    --color-error:        #ef4444;
    --color-error-bg:     #fef2f2;
    --color-error-border: #fecaca;
    --color-error-text:   #991b1b;

    /* ---- Redesign tokens (mm-prefix) ---- */
    --mm-primary:       #00b390;
    --mm-primary-deep:  #008c72;
    --mm-primary-soft:  #d4f3ea;
    --mm-primary-glow:  rgba(0, 179, 144, 0.16);
    --mm-accent:        #ff7849;

    --mm-ink:           #0f1413;
    --mm-ink-2:         #2a322f;
    --mm-mute:          #6e7775;
    --mm-mute-2:        #9aa39f;
    --mm-line:          #e3e7e4;
    --mm-line-2:        #eef1ee;
    --mm-bg:            #ffffff;
    --mm-bg-soft:       #f6f8f6;
    --mm-bg-soft-2:     #eef2ef;
    --mm-paper:         #fafbf8;
    --mm-stage:         #0e1614;
    --mm-stage-grid:    rgba(0, 179, 144, 0.10);
    --mm-stage-grid-2:  rgba(255, 255, 255, 0.04);

    --mm-font-sans:    'Inter', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', Meiryo, sans-serif;
    --mm-font-display: 'Space Grotesk', 'Hiragino Sans', sans-serif;
    --mm-font-mono:    'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

    --mm-r-1: 4px;
    --mm-r-2: 8px;
    --mm-r-3: 12px;
    --mm-r-4: 18px;

    --mm-shadow-sm: 0 1px 2px rgba(15,20,19,.05);
    --mm-shadow:    0 4px 16px rgba(15,20,19,.06), 0 1px 2px rgba(15,20,19,.04);
    --mm-shadow-lg: 0 18px 48px rgba(15,20,19,.10), 0 2px 6px rgba(15,20,19,.04);
}

body {
    font-family: var(--mm-font-display);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Announcement Banner */
.announcement {
    padding: 0.6rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-left: 3px solid;
    text-align: center;
}
.announcement--info {
    background: var(--color-info-bg);
    color: var(--color-info-text);
    border-color: var(--color-primary);
}
.announcement--warning {
    background: var(--color-warning-bg);
    color: var(--color-warning-text);
    border-color: var(--color-warning);
}
.announcement--error {
    background: var(--color-error-bg);
    color: var(--color-error-text);
    border-color: var(--color-error);
}
.lang-suggest {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    background: var(--color-info-bg);
    color: var(--color-info-text);
    border-left: 3px solid var(--color-primary);
    flex-wrap: wrap;
}
.lang-suggest--visible {
    display: flex;
}
.lang-suggest__msg {
    flex: 1 1 auto;
}
.lang-suggest__btn {
    white-space: nowrap;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-size: 0.8125rem;
}
.lang-suggest__btn:hover {
    opacity: 0.85;
}
.lang-suggest__close {
    margin-left: auto;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-info-text);
    opacity: 0.6;
    padding: 0 0.25rem;
    line-height: 1;
}
.lang-suggest__close:hover {
    opacity: 1;
}
@media (max-width: 640px) {
    .lang-suggest {
        padding: 0.6rem 1rem;
    }
}

/* Header */
.header {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
    display: inline-block;
}

.nav a:hover {
    color: var(--color-text);
}

.nav > a {
    padding: 4px 0;
    position: relative;
}

.nav > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-text);
    transition: width 0.2s ease;
}

.nav > a:hover::after {
    width: 100%;
}

/* Language Switcher */
.lang-switcher {
    position: relative;
    display: inline-block;
    width: auto;
    flex: 0 0 auto;
}

.lang-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-text);
    padding: 0;
    margin: 0;
    border-radius: 4px;
    transition: all 0.2s;
    font-family: inherit;
    display: inline-block;
    line-height: 1;
    white-space: nowrap;
}

.lang-toggle:hover {
    color: var(--color-text);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;

    background: var(--color-bg);
    border: 1px solid var(--mm-line);
    border-radius: 10px;
    box-shadow: var(--mm-shadow);

    /* 2カラムグリッド — 言語が増えても縦に伸びすぎない */
    display: none;
    grid-template-columns: 1fr 1fr;

    width: max-content;
    min-width: 200px;

    z-index: 1000;
    overflow: hidden;
    padding: 4px;
}

.lang-switcher:hover .lang-menu,
.lang-switcher:focus-within .lang-menu {
    display: grid;
}

/* 基本スタイル（PC ドロップダウン・モバイル両方に適用） */
.lang-link {
    display: block;
    padding: 0.45rem 0.75rem;
    text-decoration: none;
    color: var(--color-text-light);
    transition: background 0.15s, color 0.15s;
    font-size: 0.875rem;
    white-space: nowrap;
    border-radius: 6px;
}

.lang-link:hover {
    background: var(--mm-bg-soft);
    color: var(--color-text);
}

.lang-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.lang-link.active:hover {
    background: var(--mm-bg-soft);
}

/* PC ドロップダウン内の差分のみ */
.lang-menu .lang-link {
    text-align: center;
}

/* ---- Calc Home Hero ---- */
.calc-hero {
    padding: 60px 24px 40px;
    border-bottom: 1px solid var(--mm-line);
}
.calc-hero__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.calc-hero__h1 {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    margin: 8px 0 16px;
}
.calc-hero__lead {
    font-size: 15px;
    color: var(--mm-mute);
    line-height: 1.7;
    max-width: 600px;
}
.calc-tools {
    padding: 48px 24px 60px;
}
.calc-tools__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.calc-tools__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    transition: background-color 0.2s;
}

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

/* Footer */
.footer {
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}


/* Page Content */
.page-content {
    flex: 1;
    padding: 3rem 2rem;
}

.page-inner {
    max-width: 640px;
    margin: 0 auto;
}

.page-content h1 {
    font-family: var(--mm-font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--mm-ink);
}

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

.feature-thumb {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 2.5rem;
}

/* Preview Link（サムネイル直下の右寄せリンク） */
.preview-link-row {
    margin-top: -2rem;
    margin-bottom: 2rem;
    text-align: right;
}

.preview-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

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

/* Spec Tags */
.spec-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.spec-tag {
    display: inline-flex;
    align-items: stretch;
    border-radius: 6px;
    overflow: hidden;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
}

.spec-label {
    padding: 0.375rem 0.625rem;
    background-color: var(--color-bg-light);
    color: var(--color-text-light);
    font-weight: 500;
}

.spec-value {
    padding: 0.375rem 0.625rem;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-weight: 600;
}

/* Form Styles */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* 隣接する .form-group 間のスペース（ラッパーの深さに関わらず自動適用） */
.form-group + .form-group {
    margin-top: 1.5rem;
}

/* gap: 1.5rem を使うコンテナ内では二重スペースを防ぐ */
.form > .form-group + .form-group,
.optional-inputs > .form-group + .form-group {
    margin-top: 0;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Radio Button Group */
.radio-group {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: normal;
    cursor: pointer;
    font-size: 0.95rem;
    margin: 0;
}

.radio-label input[type="radio"],
.radio-label input[type="checkbox"] {
    cursor: pointer;
    width: 1.1rem;
    height: 1.1rem;
    margin: 0;
    accent-color: var(--color-primary);
}

.radio-label input[type="radio"]:hover,
.radio-label input[type="checkbox"]:hover {
    accent-color: var(--color-primary-hover);
}

.input-with-unit {
    display: flex;
    align-items: stretch;
}

.input-with-unit input,
select {
    flex: 1;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    font-family: inherit;
    background-color: var(--color-bg);
    color: var(--color-text);
}

select {
    cursor: pointer;
    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='%23008870' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

/* 複数の select を横並びにするラッパー（例: 基本偏差 + IT グレード） */
/* select は全体に flex:1 が設定済み。先頭要素を flex:2 にして比率 2:1 にする。 */
/* 3つ以上 / 比率変更が必要な場合はモディファイアクラスを追加して対応する。 */
.select-pair {
    display: flex;
    gap: 0.5rem;
}

.select-pair > select:first-child {
    flex: 2;
}

.input-with-unit input:focus,
select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 179, 144, 0.1);
}

.input-with-unit .unit {
    padding: 0.75rem 1rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-left: none;
    border-radius: 0 8px 8px 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.is-hidden {
    display: none;
}

.form-warning {
    font-size: 0.8rem;
    color: var(--color-error-text);
    background-color: var(--color-error-bg);
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--color-error-border);
    margin-top: 0.25rem;
}

.section-divider {
    margin: 2rem 0;
    border: none;
    border-top: 1px solid var(--color-border);
}


.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 100%;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 1rem;
}

/* URLシェアボタン（3dフォームページ） */
.page-share-actions {
    margin-top: 1.25rem;
    display: flex;
    justify-content: flex-end;
}

/* Error Box */
.error-box {
    background-color: var(--mm-bg-soft);
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    padding: 1.25rem 1.5rem;
    margin-bottom: 2rem;
    color: var(--mm-ink-2);
    font-size: 0.9375rem;
    line-height: 1.65;
}

.error-box p + p {
    margin-top: 0.5rem;
}

.error-box ul {
    margin: 0;
    padding-left: 1.25rem;
    color: var(--mm-ink-2);
}

.error-box li {
    margin-bottom: 0.25rem;
}

/* Mobile Menu */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    width: 32px;
    height: 32px;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.25s, opacity 0.25s;
    transform-origin: center;
}

/* ☰ → ✕ アニメーション */
.menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
    padding: 0.5rem 0;
}

.mobile-menu.is-open {
    display: flex;
}

.mobile-nav-link {
    display: block;
    padding: 0.85rem 1.5rem;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.15s, color 0.15s;
}

.mobile-nav-link:hover {
    color: var(--color-text);
}

.mobile-lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.85rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-light);
    font-family: inherit;
    text-align: left;
    transition: background 0.15s, color 0.15s;
}

.mobile-lang-toggle:hover {
    color: var(--color-text);
}

.mobile-lang-arrow {
    font-size: 0.75rem;
    margin-left: auto;
}

.mobile-lang-list {
    display: none;
    flex-direction: column;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.mobile-lang-list.is-open {
    display: flex;
    max-height: 50vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-lang-link {
    display: block;
    padding: 0.7rem 2rem;
    color: var(--color-text-light);
    text-decoration: none;
    font-size: 0.95rem;
    transition: background 0.15s, color 0.15s;
    border-bottom: 1px solid var(--color-border);
}

.mobile-lang-link:last-child {
    border-bottom: none;
}

.mobile-lang-link:hover {
    color: var(--color-text);
}

.mobile-lang-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: nowrap;
    }

    .nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .page-content {
        padding: 2rem 1.5rem;
    }

}

.tag-page {
    text-align: center;
}

.tag-page-footer {
    padding: 48px 24px;
}


.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    margin-left: 0.5rem;
}

.btn-secondary:hover {
    background-color: var(--color-bg-light);
    border-color: var(--color-primary-hover);
    color: var(--color-primary-hover);
}


/* Disclaimer */
footer .disclaimer {
    font-size: 0.7rem;
    color: var(--color-text-light);
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.4;
}

/* ---- Document Pages (license / privacy / guide etc.) ---- */
.doc-hero {
    padding: 60px 24px 40px;
    border-bottom: 1px solid var(--mm-line);
}
.doc-hero__inner {
    max-width: 800px;
    margin: 0 auto;
}
.doc-hero__h1 {
    font-size: clamp(24px, 3.5vw, 40px);
    font-weight: 700;
    margin: 8px 0 16px;
}
.doc-hero__lead {
    font-size: 15px;
    color: var(--mm-mute);
    line-height: 1.7;
}
.doc-body {
    padding: 48px 24px 60px;
}
.doc-body__inner {
    max-width: 800px;
    margin: 0 auto;
}

.doc-section {
    margin-bottom: 3rem;
}

.doc-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    color: var(--color-text);
}

.doc-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.doc-section h4 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    color: var(--color-text);
    font-weight: 600;
}

.doc-section a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.doc-section a:hover {
    text-decoration: underline;
}

.doc-section-last {
    margin-bottom: 0;
}

.doc-last-updated {
    text-align: right;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-top: 2rem;
}

.doc-box {
    border-radius: 8px;
    padding: 1.5rem;
    background-color: var(--color-bg-light);
    margin-bottom: 1.5rem;
}

.doc-box-primary {
    background-color: rgba(0, 179, 144, 0.05);
}

.doc-list {
    list-style: none;
    margin: 1rem 0;
    padding: 0;
}

.doc-list li {
    padding-left: 1.75rem;
    margin-bottom: 0.75rem;
    position: relative;
}

.doc-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1rem;
}

.doc-list-prohibited li::before {
    content: "✗";
    color: var(--color-error);
}

.code-block {
    background-color: var(--color-bg-light);
    padding: 1rem;
    margin: 1rem 0;
    font-family: var(--mm-font-mono);
    font-size: 0.9rem;
    overflow-x: auto;
    border-radius: 4px;
}

.code-block p {
    margin: 0;
    line-height: 1.5;
}

.code-block code {
    background-color: var(--color-border);
    padding: 0.2rem 0.4rem;
    border-radius: 2px;
    font-size: 0.85em;
}

.note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 0.75rem;
}

.contact-box {
    background-color: var(--color-warning-bg);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.contact-box h3 {
    margin-top: 0;
    color: var(--color-warning-text);
}

.contact-box p {
    margin-bottom: 0.75rem;
}

.definition-list ul {
    margin-left: 1.25rem;
    margin-bottom: 1rem;
}

.definition-list li {
    margin-bottom: 0.5rem;
}

.contact-links {
    margin-top: 1rem;
}

.contact-links p {
    margin-bottom: 0.5rem;
}

.contact-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-links a:hover {
    text-decoration: underline;
}

.changelog-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}

.changelog-table th {
    background-color: var(--color-bg-light);
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.changelog-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

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

.changelog-table tr:hover {
    background-color: rgba(0, 179, 144, 0.02);
}

/* Responsive Doc Pages */
@media (max-width: 768px) {
    .doc-hero { padding: 40px 16px 28px; }
    .doc-body { padding: 32px 16px 48px; }

    .doc-section h2 {
        font-size: 1.2rem;
    }

    .doc-box {
        padding: 1rem;
    }

    .code-block {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
}

/* ===== ローディングオーバーレイ ===== */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(215, 215, 215, 0.5);
    backdrop-filter: blur(1.6px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.25rem;
    pointer-events: none;
}

.loading-overlay.is-active {
    display: flex;
    pointer-events: auto;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    position: relative;
}

.loading-spinner::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 6px solid transparent;
    border-top-color: rgba(0, 179, 144, 0.6);
    border-right-color: rgba(0, 179, 144, 0.6);
    border-radius: 50%;
    animation: loading-spin 0.8s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
    box-shadow: 0 0 60px rgba(0, 179, 144, 0.5);
}

.loading-spinner::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 3px solid transparent;
    border-bottom-color: rgba(0, 179, 144, 0.5);
    border-left-color: rgba(0, 179, 144, 0.5);
    border-radius: 50%;
    animation: loading-spin-reverse 0.6s cubic-bezier(0.4, 0.0, 0.2, 1) infinite;
    opacity: 0.6;
}

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

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

.loading-text {
    color: var(--color-text);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-top: 2rem;
    animation: loading-breathe 0.7s ease-in-out infinite;
}

@keyframes loading-breathe {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.9;
        transform: scale(1.03);
    }
}

/* 3D viewer */
.viewer-section {
    margin: 2rem 0 1rem;
    overflow: hidden;
    background-color: #1a1a2e;
    position: relative;
}

.viewer-canvas {
    width: 100%;
    height: 360px;
    display: block;
    touch-action: none;
}

.viewer-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--mm-stage);
    color: rgba(255,255,255,0.6);
    font-size: 0.95rem;
    z-index: 1;
}

.viewer-loading-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: #00b390;
    border-radius: 50%;
    animation: viewer-spin 0.8s linear infinite;
}

.viewer-error-msg {
    padding: 2rem;
    text-align: center;
    color: #d1d5db;
    font-size: 0.95rem;
}

.viewer-reload-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    line-height: 1;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    opacity: 0.85;
    transition: opacity 0.2s;
    z-index: 2;
}

.viewer-reload-btn:hover {
    opacity: 1;
}

.viewer-hints {
    display: none;
    gap: 1.5rem;
    justify-content: right;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: -1.2rem;
    margin-bottom: 2rem;
}

@keyframes viewer-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .viewer-canvas {
        height: 260px;
    }

    .viewer-hints {
        gap: 1rem;
        font-size: 0.75rem;
        flex-wrap: wrap;
    }
}

/* ===== タグ・関連機能セクション ===== */
.related-section {
    max-width: 640px;
    margin: 3rem auto 2rem;
    border-top: 2px solid var(--color-border);
    padding-top: 2rem;
    text-align: left;
}

.tags-section {
    margin-bottom: 2rem;
}

.tags-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag-chip {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.tag-chip:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 179, 144, 0.2);
}

.related-features-section {
    margin-top: 2rem;
}

.related-features-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.related-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
}

.related-card {
    display: flex;
    flex-direction: column;
    padding: 0.85rem;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s;
    min-height: 0;
}

.related-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 179, 144, 0.15);
    transform: translateY(-2px);
}

.related-card-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 88px;
    margin-bottom: 0.5rem;
}

.related-card-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.related-card-content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.related-card-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text);
    text-align: center;
    margin: 0;
}

.no-related {
    padding: 2rem;
    text-align: center;
    background-color: var(--color-bg-light);
    border-radius: 8px;
    color: var(--color-text-light);
}

@media (max-width: 768px) {
    .related-cards {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }

    .related-card {
        padding: 0.75rem;
        min-height: 0;
    }

    .related-card-image {
        height: 72px;
        margin-bottom: 0.45rem;
    }

    .related-card-content h4 {
        font-size: 0.82rem;
    }

    .tags {
        gap: 0.5rem;
    }

    .tag-chip {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}

/* ===== 計算機リスト（related-section.php） ===== */

.calculators-inner > h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2rem;
}

/* ===== 計算機リスト（共通） ===== */

.calculator-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.calculator-list-item a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.calculator-list-item a:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(0, 179, 144, 0.15);
    transform: translateY(-2px);
}

.calc-emoji {
    font-size: 1.75rem;
    flex-shrink: 0;
    line-height: 1;
}

.calc-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.calc-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

.calc-desc {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ===== 関連計算ツール（related-section.php） ===== */

.related-calculators-section {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}


.related-calculators-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.related-calculators-section .calculator-list {
    max-width: 100%;
}


@media (max-width: 768px) {
    .calculator-list-item a {
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }

    .calc-emoji {
        font-size: 1.5rem;
    }

    .calc-title {
        font-size: 0.9rem;
    }

    .calc-desc {
        font-size: 0.8rem;
    }
}

/* ===== 計算機ページ（calc/） ===== */

/* gen-workspace 2ペイン対応 */
.gen-form-card .form {
    padding: 18px 20px 20px;
}
/* 計算結果セクション（全計算機共通・主要出力） */
.calc-result-section h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.2rem;
    margin-top: 0;
}

.calc-presets {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.calc-preset-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    white-space: nowrap;
}

.calc-preset-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.btn-preset {
    padding: 0.3rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.btn-preset:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-bg-light);
}

.btn-preset.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

/* メイン結果カード */
.calc-main-result {
    padding: 1.25rem 1.5rem;
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    background: var(--color-bg-light);
}

.calc-main-result-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.calc-main-result-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
}

.btn-copy-single {
    font-size: 1.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
    transition: background 0.15s;
}

.btn-copy-single:hover {
    background: var(--color-border);
}

/* サブ結果 */
.calc-sub-results {
    margin: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-sub-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
}

.calc-sub-row:last-child {
    border-bottom: none;
}

.calc-sub-row dt {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.calc-sub-row dd {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

/* アクションボタン */
.calc-share-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.btn-share {
    padding: 0.6rem 1.1rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.btn-share:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* モード切替トグル（セグメントコントロール）
   用途: 複数の排他的な選択肢を切り替えるUI全般に使用可能
   例: 段数切替、計算モード切替、単位系切替 など */
.calc-mode-toggle {
    display: flex;
    width: fit-content;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.btn-mode {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    font-family: inherit;
    border: none;
    border-right: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text-light);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

.btn-mode:last-child {
    border-right: none;
}

.btn-mode:hover:not(.active) {
    background: var(--color-bg-light);
    color: var(--color-text);
}

.btn-mode.active {
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
}

/* 段セクション: 見出し + 入力群のブロック */
.stage-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* 段セクション見出し */
.stage-heading {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0;
}

.stage-heading::before,
.stage-heading::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-primary);
}

/* 段内の入力グループ: 見出しと分離して間隔を制御 */
.stage-inputs {
    display: flex;
    flex-direction: column;
}

/* 任意入力セクション */
.optional-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1.25rem;
}

.optional-section-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin: 0;
}

/* インラインバリデーションエラー */
input.input-error {
    border-color: var(--color-error);
}

@media (max-width: 600px) {
    .calc-main-result-value {
        font-size: 1.6rem;
    }

    .btn-mode {
        padding: 0.45rem 0.9rem;
    }
}


/* ===== HowTo details セクション ===== */
.howto-details {
    margin-bottom: 1.5rem;
}

.howto-summary {
    font-size: 0.95rem;
    color: var(--color-text-light);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    user-select: none;
}

.howto-summary::-webkit-details-marker { display: none; }

.howto-summary::before {
    content: '▶';
    font-size: 0.7rem;
    transition: transform 0.2s;
    color: var(--color-primary);
}

.howto-details[open] .howto-summary::before {
    transform: rotate(90deg);
}

.howto-steps {
    margin-top: 0.6rem;
    padding-left: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============================================================
   Redesign Atoms (mm-prefix)
   ホームページリデザイン用。既存ページには影響しない。
   ============================================================ */

/* --- Typography atoms --- */
.mm-mono {
    font-family: var(--mm-font-mono);
    font-feature-settings: "tnum" 1, "ss01" 1;
}
.mm-display {
    font-family: var(--mm-font-display);
    letter-spacing: -0.02em;
}
.mm-eyebrow {
    font-family: var(--mm-font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mm-mute);
}

/* --- Background patterns --- */
.mm-paper-grid {
    background-color: var(--mm-paper);
    background-image:
        linear-gradient(to right, rgba(15,20,19,.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15,20,19,.035) 1px, transparent 1px);
    background-size: 24px 24px;
}
.mm-stage-bg {
    background-color: var(--mm-stage);
    background-image:
        linear-gradient(to right, var(--mm-stage-grid-2) 1px, transparent 1px),
        linear-gradient(to bottom, var(--mm-stage-grid-2) 1px, transparent 1px),
        linear-gradient(to right, var(--mm-stage-grid) 1px, transparent 1px),
        linear-gradient(to bottom, var(--mm-stage-grid) 1px, transparent 1px);
    background-size: 16px 16px, 16px 16px, 96px 96px, 96px 96px;
}

/* --- CAD frame (corner ticks) --- */
.mm-tick-frame { position: relative; }
.mm-tick-frame::before,
.mm-tick-frame::after,
.mm-tick-frame > .mm-tick-bl,
.mm-tick-frame > .mm-tick-br {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-color: var(--mm-primary);
    border-style: solid;
    pointer-events: none;
}
.mm-tick-frame::before  { top: -1px; left: -1px;  border-width: 1px 0 0 1px; }
.mm-tick-frame::after   { top: -1px; right: -1px; border-width: 1px 1px 0 0; }
.mm-tick-frame > .mm-tick-bl { bottom: -1px; left: -1px;  border-width: 0 0 1px 1px; }
.mm-tick-frame > .mm-tick-br { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

/* --- Spec chip (k:v) --- */
.mm-spec {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--mm-line);
    border-radius: 6px;
    overflow: hidden;
    font-size: 12px;
    background: #fff;
    height: 26px;
}
.mm-spec > .mm-spec-k {
    padding: 0 8px;
    background: var(--mm-bg-soft);
    color: var(--mm-mute);
    font-family: var(--mm-font-mono);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
}
.mm-spec > .mm-spec-v {
    padding: 0 10px;
    color: var(--mm-ink);
    font-family: var(--mm-font-mono);
    font-weight: 500;
    display: flex;
    align-items: center;
}

/* --- Tag chip (pill) --- */
.mm-chip {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border: 1px solid var(--mm-line);
    border-radius: 999px;
    font-size: 11px;
    color: var(--mm-ink-2);
    background: #fff;
    font-family: var(--mm-font-mono);
    letter-spacing: 0.02em;
    white-space: nowrap;
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
    cursor: pointer;
}
a.mm-chip:hover,
.mm-chip:hover { background: var(--mm-primary); color: #fff; border-color: var(--mm-primary); }
.mm-chip.is-active { background: var(--mm-ink); color: #fff; border-color: var(--mm-ink); }

/* --- Button base --- */
.mm-btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--mm-r-2);
    font-family: var(--mm-font-display);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    background: transparent;
    color: var(--mm-ink);
    text-decoration: none;
    transition: background .15s, border-color .15s, color .15s;
}
.mm-btn-primary {
    background: var(--mm-primary);
    color: #fff;
    border-color: var(--mm-primary);
}
.mm-btn-primary:hover {
    background: var(--mm-primary-deep);
    border-color: var(--mm-primary-deep);
    color: #fff;
}
.mm-btn-ghost { border-color: var(--mm-line); }
.mm-btn-ghost:hover { border-color: var(--mm-ink); }
.mm-btn-dark {
    background: var(--mm-ink);
    color: #fff;
    border-color: var(--mm-ink);
}
.mm-btn-dark:hover { background: var(--mm-ink-2); }

/* --- Utility --- */
.mm-hr {
    border: 0;
    height: 1px;
    background: var(--mm-line);
    margin: 0;
}
.mm-grow  { flex: 1; }
.mm-row   { display: flex; align-items: center; }
.mm-col   { display: flex; flex-direction: column; }
.mm-gap-2 { gap: 8px; }
.mm-gap-3 { gap: 12px; }
.mm-gap-4 { gap: 16px; }

/* ============================================================
   HOME PAGE — Layout & Components
   .home-* クラスはindex.phpのみで使用。他ページに影響しない。
   ============================================================ */

/* ---- Hero ---- */
.home-hero {
    padding: 80px 24px 0;
    border-bottom: 1px solid var(--mm-line);
}
.home-hero__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 48px;
    align-items: center;
    padding-bottom: 60px;
}
.home-hero__left {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.home-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--mm-ink-2);
    border: 1px solid var(--mm-line);
    border-radius: 999px;
    padding: 5px 12px;
    background: #fff;
    width: fit-content;
    margin-bottom: 24px;
}
.home-hero__tag-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mm-primary);
    flex-shrink: 0;
}
.home-hero__h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.08;
    color: var(--mm-ink);
    margin-bottom: 20px;
}
.home-hero__lead {
    font-size: 16px;
    line-height: 1.75;
    color: var(--mm-ink-2);
    max-width: 520px;
    margin-bottom: 28px;
}
.home-hero__cta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 0;
}
.home-hero__stats {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--mm-line);
}
.home-hero__stat {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.home-hero__stat-label {
    font-size: 10px;
    letter-spacing: 0.16em;
    color: var(--mm-mute);
}
.home-hero__stat-value {
    font-size: 17px;
    font-weight: 600;
    color: var(--mm-ink);
}
.home-hero__stat-sep {
    width: 1px;
    height: 32px;
    background: var(--mm-line);
}

/* Blueprint card */
.home-hero__right {
    border: 1px solid var(--mm-ink);
    border-radius: var(--mm-r-3);
    overflow: hidden;
    background: var(--mm-stage);
    box-shadow: var(--mm-shadow-lg);
}
.home-bp__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.5);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.home-bp__stage {
    position: relative;
    height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.home-bp__img {
    width: 70%;
    height: 80%;
    object-fit: contain;
    filter: drop-shadow(0 4px 24px rgba(0,179,144,.18));
}
.home-bp__dim {
    position: absolute;
    font-size: 11px;
    background: rgba(0,0,0,.55);
    color: rgba(255,255,255,.85);
    padding: 3px 8px;
    border-radius: 3px;
    letter-spacing: 0.06em;
    pointer-events: none;
}
.home-bp__dim--top { top: 20px; left: 50%; transform: translateX(-50%); }
.home-bp__dim--bl  { bottom: 20px; left: 20px; }
.home-bp__dim--br  { bottom: 20px; right: 20px; }
.home-bp__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    font-size: 10px;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.5);
    border-top: 1px solid rgba(255,255,255,0.08);
}
.home-bp__live { color: var(--mm-primary); }

/* ---- Catalog Browser ---- */
.home-catalog {
    padding: 80px 24px;
}
.home-catalog__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.home-catalog__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px;
    margin-bottom: 28px;
}
.home-catalog__h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--mm-ink);
    margin-top: 8px;
}
.home-catalog__controls {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
}
.home-catalog__empty {
    font-size: 13px;
    color: var(--mm-mute);
    padding: 32px 0;
    text-align: center;
    letter-spacing: 0.06em;
}

/* Search */
.home-search {
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    padding: 0 10px;
    height: 36px;
    background: #fff;
    width: 260px;
}
.home-search__icon { flex-shrink: 0; }
.home-search__input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 12px;
    color: var(--mm-ink);
    background: transparent;
    min-width: 0;
    letter-spacing: 0.02em;
}
.home-search__input::placeholder { color: var(--mm-mute-2); }
.home-search__clear {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mm-mute);
    padding: 2px;
    flex-shrink: 0;
}
.home-search__clear:hover { color: var(--mm-ink); }

/* View toggle */
.home-view-toggle {
    display: flex;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    overflow: hidden;
    height: 36px;
}
.home-view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--mm-mute);
    transition: background .15s, color .15s;
}
.home-view-btn:first-child {
    border-right: 1px solid var(--mm-line);
}
.home-view-btn.is-active {
    background: var(--mm-ink);
    color: #fff;
}
.home-view-btn:not(.is-active):hover {
    background: var(--mm-bg-soft);
    color: var(--mm-ink);
}

/* Category tabs */
.home-cats {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    border-top: 1px solid var(--mm-line);
    border-bottom: 1px solid var(--mm-line);
    padding: 10px 0;
    margin-bottom: 24px;
}
.home-cat-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid transparent;
    border-radius: var(--mm-r-2);
    background: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--mm-ink-2);
    cursor: pointer;
    transition: background .15s, color .15s, border-color .15s;
    font-family: var(--mm-font-display);
}
.home-cat-btn:hover {
    background: var(--mm-bg-soft);
    color: var(--mm-ink);
}
.home-cat-btn.is-active {
    background: var(--mm-ink);
    color: #fff;
    border-color: var(--mm-ink);
}
.home-cat-btn.is-active .home-cat-count {
    color: rgba(255,255,255,.6);
}
.home-cat-count {
    font-size: 10px;
    color: var(--mm-mute);
    letter-spacing: 0.04em;
}
.home-cat-counter {
    font-size: 11px;
    color: var(--mm-mute);
    letter-spacing: 0.08em;
    margin-left: auto;
}

/* Generator Grid */
.home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}
.home-grid[hidden] { display: none; }

/* フィルター非表示（JS クラス制御） */
.mm-feature-card.is-hidden,
.home-row.is-hidden { display: none; }

/* Feature Card (shared: home grid / tag page) */
.mm-feature-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    overflow: visible;
    text-decoration: none;
    color: var(--mm-ink);
    background: #fff;
    transition: transform .2s, border-color .2s, box-shadow .2s;
    cursor: pointer;
}
.mm-feature-card:hover {
    transform: translateY(-2px);
    border-color: var(--mm-primary);
    box-shadow: var(--mm-shadow);
}
.mm-feature-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--mm-mute);
    border-bottom: 1px solid var(--mm-line-2);
}
.mm-feature-card__num { color: var(--mm-ink-2); }
.mm-feature-card__tag { color: var(--mm-mute-2); }
.mm-feature-card__img {
    aspect-ratio: 1.1 / 1;
    background: var(--mm-bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.mm-feature-card__img img {
    width: 80%;
    height: 80%;
    object-fit: contain;
    transition: transform .35s ease;
}
.mm-feature-card:hover .mm-feature-card__img img {
    transform: scale(1.06);
}
.mm-feature-card__footer {
    padding: 10px 12px;
    border-top: 1px solid var(--mm-line-2);
    background: #fff;
}
.mm-feature-card__name {
    font-size: 13px;
    font-weight: 600;
    color: var(--mm-ink);
    line-height: 1.3;
}
.mm-feature-card__en {
    font-size: 10px;
    color: var(--mm-mute);
    letter-spacing: 0.06em;
    margin-top: 2px;
}

/* Generator List */
.home-list {
    display: flex;
    flex-direction: column;
}
.home-list[hidden] { display: none; }
.home-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 8px;
    border-bottom: 1px solid var(--mm-line-2);
    text-decoration: none;
    color: var(--mm-ink);
    transition: background .15s;
}
.home-row:first-child { border-top: 1px solid var(--mm-line-2); }
.home-row:hover { background: var(--mm-bg-soft); }
.home-row__num {
    width: 40px;
    font-size: 11px;
    color: var(--mm-mute);
    flex-shrink: 0;
}
.home-row__img {
    width: 52px;
    height: 52px;
    background: var(--mm-bg-soft);
    border-radius: var(--mm-r-1);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.home-row__img img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}
.home-row__text { flex: 1; min-width: 0; }
.home-row__name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.home-row__en {
    font-size: 10px;
    color: var(--mm-mute);
    letter-spacing: 0.06em;
    margin-top: 2px;
}
.home-row__cat {
    font-size: 9px;
    letter-spacing: 0.12em;
    color: var(--mm-mute-2);
    flex-shrink: 0;
    width: 60px;
    text-align: right;
}
.home-row__arrow { flex-shrink: 0; }

/* ---- Calc Tools Strip ---- */
.home-tools {
    background-color: var(--mm-paper);
    border-top: 1px solid var(--mm-line);
    border-bottom: 1px solid var(--mm-line);
    padding: 60px 24px 80px;
}
.home-tools__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.home-tools__h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--mm-ink);
    margin-top: 8px;
    margin-bottom: 24px;
}
.home-tools__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}
.mm-tool-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 18px;
    background: #fff;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    text-decoration: none;
    color: var(--mm-ink);
    transition: border-color .15s, box-shadow .15s, transform .15s;
}
.mm-tool-card:hover {
    border-color: var(--mm-primary);
    box-shadow: var(--mm-shadow-sm);
    transform: translateY(-1px);
}
.mm-tool-card__icon {
    font-size: 20px;
    flex-shrink: 0;
    padding-top: 2px;
}
.mm-tool-card__body { flex: 1; min-width: 0; }
.mm-tool-card__title {
    font-size: 13px;
    font-weight: 600;
    color: var(--mm-ink);
    margin-bottom: 4px;
}
.mm-tool-card__desc {
    font-size: 12px;
    color: var(--mm-mute);
    line-height: 1.6;
}
.mm-tool-card__arrow {
    flex-shrink: 0;
    margin-top: 4px;
}

/* ---- Tag Page ---- */
.tag-hero {
    padding: 60px 24px 40px;
    border-bottom: 1px solid var(--mm-line);
}
.tag-hero__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.tag-hero__h1 {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 700;
    color: var(--mm-ink);
    margin-top: 8px;
}
.tag-catalog {
    padding: 48px 24px 60px;
}
.tag-catalog__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.tag-catalog__h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--mm-ink);
    margin-bottom: 24px;
}
.tag-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}
.tag-empty {
    color: var(--mm-mute);
    font-size: 13px;
    letter-spacing: 0.06em;
}
.tag-tools {
    background-color: var(--mm-paper);
    border-top: 1px solid var(--mm-line);
    border-bottom: 1px solid var(--mm-line);
    padding: 48px 24px 60px;
}
.tag-tools__inner {
    max-width: 1280px;
    margin: 0 auto;
}
.tag-tools__h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--mm-ink);
    margin-bottom: 24px;
}
.tag-tools__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
}
@media (max-width: 600px) {
    .calc-hero { padding: 40px 16px 28px; }
    .calc-tools { padding-left: 16px; padding-right: 16px; }
    .tag-hero { padding: 40px 16px 28px; }
    .tag-catalog,
    .tag-tools { padding-left: 16px; padding-right: 16px; }
    .tag-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
}

/* ---- Home Responsive ---- */
@media (max-width: 900px) {
    .home-hero__inner {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 40px;
    }
    .home-hero__right {
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }
    .home-catalog__header {
        flex-direction: column;
        align-items: flex-start;
    }
}
@media (max-width: 600px) {
    .home-hero {
        padding: 48px 16px 0;
    }
    .home-catalog,
    .home-tools {
        padding-left: 16px;
        padding-right: 16px;
    }
    .home-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 10px;
    }
    .home-catalog__controls {
        width: 100%;
    }
    .home-search {
        flex: 1;
        width: auto;
    }
    .home-cats {
        gap: 4px;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    .home-cat-counter { display: none; }
    .home-row__cat { display: none; }
}

/* ============================================================
   GENERATOR DETAIL — 2-pane workspace
   .gen-* クラスは 3d/{name}/index.php で使用
   ============================================================ */

/* ---- Title Bar ---- */
.gen-titlebar {
    background: var(--mm-bg-soft);
    border-bottom: 1px solid var(--mm-line);
    padding: 10px 24px;
}
.gen-titlebar__inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 12px;
}
.gen-titlebar__breadcrumb { font-size: 11px; color: var(--mm-mute); letter-spacing: 0.1em; }
.gen-titlebar__breadcrumb-current { color: var(--mm-ink); }
.gen-titlebar__btn { background: #fff; padding: 6px 10px; font-size: 12px; }
.gen-titlebar__btn:hover { border-color: var(--mm-primary); color: var(--mm-primary); }

.gen-fmt-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: var(--mm-ink);
    background: #fff;
    border: 1px solid var(--mm-line);
    border-radius: 999px;
    padding: 4px 10px;
    letter-spacing: 0.14em;
    white-space: nowrap;
}
.gen-fmt-pill__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mm-primary);
    box-shadow: 0 0 0 3px rgba(0,179,144,0.18);
    flex-shrink: 0;
}

/* ---- Workspace (2-pane grid) ---- */
.gen-workspace {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr minmax(340px, 380px);
    column-gap: 36px;
    padding: 0 24px 60px;
    align-items: start;
}

.gen-title-block {
    padding-bottom: 24px;
    border-bottom: 1px solid var(--mm-line-2);
    margin-bottom: 24px;
}
.gen-title-block__h1 {
    font-size: 32px;
    font-weight: 700;
    margin: 6px 0 8px;
    color: var(--mm-ink);
    line-height: 1.15;
}
.gen-title-block__desc {
    font-size: 14px;
    color: var(--mm-ink-2);
    line-height: 1.65;
    margin: 0 0 1.875rem;
    max-width: 620px;
}
.gen-title-block__specs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---- Viewport ---- */
.gen-view-tabs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.gen-view-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--mm-font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--mm-ink);
    padding: 8px 0;
    border-bottom: 2px solid var(--mm-primary);
}
.gen-view-tabs__subtitle {
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: var(--mm-mute-2);
    letter-spacing: 0.14em;
}
.gen-viewport {
    height: 460px;
    position: relative;
    border-radius: var(--mm-r-2);
    border: 1px solid var(--mm-ink);
    overflow: hidden;
}
.gen-viewport__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 24px;
}
.gen-viewport__corner {
    position: absolute;
    z-index: 2;
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.12em;
    line-height: 1.7;
    pointer-events: none;
}
.gen-viewport__corner--tl { top: 12px; left: 16px; }
.gen-viewport__corner--tr { top: 12px; right: 16px; text-align: right; }
.gen-viewport__status { color: var(--mm-primary); }
.gen-viewport__dimsvg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}
.gen-viewport__footer {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 10px 16px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.08em;
    z-index: 2;
}
.gen-viewport__preview-link {
    color: var(--mm-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    letter-spacing: 0.12em;
}
.gen-viewport__preview-link:hover { text-decoration: underline; }

/* ---- Calculated Spec Panel ---- */
.gen-spec-panel {
    margin-top: 24px;
}
.gen-spec-panel__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.gen-spec-panel__badge {
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: var(--mm-mute);
}
.gen-spec-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.gen-spec-card {
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    padding: 12px 14px;
    background: #fff;
}
.gen-spec-card__key {
    font-family: var(--mm-font-mono);
    font-size: 9px;
    color: var(--mm-mute);
    letter-spacing: 0.16em;
    margin-bottom: 4px;
}
.gen-spec-card__val {
    font-family: var(--mm-font-mono);
    font-size: 19px;
    font-weight: 600;
    color: var(--mm-ink);
}
.gen-spec-card__unit {
    font-size: 10px;
    color: var(--mm-mute);
    margin-left: 4px;
}
.gen-spec-card__label {
    font-size: 11px;
    color: var(--mm-mute);
    margin-top: 2px;
}

/* ---- HowTo accordion ---- */
.gen-howto {
    margin-top: 28px;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    background: #fff;
}
.gen-howto__summary {
    list-style: none;
    padding: 14px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    user-select: none;
}
.gen-howto__summary::-webkit-details-marker { display: none; }
.gen-howto__label {
    font-family: var(--mm-font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--mm-mute);
}
.gen-howto__name {
    font-size: 13px;
    font-weight: 600;
}
.gen-howto__toggle {
    margin-left: auto;
    font-size: 11px;
    color: var(--mm-mute);
}
.gen-howto__steps {
    margin: 0;
    padding: 0 18px 18px 38px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--mm-ink-2);
    line-height: 1.6;
}

/* ---- Tags + Related ---- */
.gen-related {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--mm-line);
}
.gen-tags-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--mm-line);
}
.gen-related__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 24px 0 14px;
}
.gen-related__all-link {
    font-family: var(--mm-font-mono);
    font-size: 11px;
    color: var(--mm-primary);
    text-decoration: none;
    letter-spacing: 0.08em;
}
.gen-related__all-link:hover { text-decoration: underline; }
.gen-related__calc-section { margin-top: 8px; }
.gen-related__empty { font-size: 13px; color: var(--mm-mute); margin-top: 16px; }
.gen-related .calculator-list-item a:hover {
    border-color: var(--mm-primary);
    box-shadow: 0 4px 12px rgba(0,179,144,0.15);
}
.gen-related__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}
.gen-related__card {
    background: #fff;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    overflow: hidden;
    text-decoration: none;
    color: var(--mm-ink);
    transition: border-color .15s;
}
.gen-related__card:hover { border-color: var(--mm-primary); }
.gen-related__card-img {
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mm-bg-soft);
}
.gen-related__card-img img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}
.gen-related__card-name {
    padding: 8px 10px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
}

/* ---- Form Card ---- */
.gen-form-card {
    background: #fff;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-3);
    overflow: hidden;
    box-shadow: var(--mm-shadow-sm);
}
.gen-form-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--mm-line-2);
    background: var(--mm-bg-soft);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.gen-form-header__title { font-size: 15px; font-weight: 600; margin-top: 4px; }
.gen-required-pill {
    font-family: var(--mm-font-mono);
    font-size: 9px;
    padding: 3px 8px;
    background: #fff;
    color: var(--mm-mute);
    border: 1px solid var(--mm-line);
    border-radius: 999px;
    letter-spacing: 0.14em;
    white-space: nowrap;
}
.gen-form-fields {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 18px 20px 4px;
}

/* ---- Preview page canvas ---- */
.gen-viewport__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    touch-action: none;
    z-index: 0;
}

/* ---- Preview page CTA card ---- */
.gen-preview-cta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem;
}
.gen-preview-cta__home {
    width: 100%;
    justify-content: center;
}

/* ---- Download page: params table ---- */
.gen-params {
    padding: 12px 20px;
}
.gen-params table {
    width: 100%;
    border-collapse: collapse;
}
.gen-params td {
    padding: 0.25rem 0;
    font-size: 0.75rem;
    color: var(--mm-mute);
    border-bottom: 1px solid var(--mm-line-2);
}
.gen-params tr:last-child td {
    border-bottom: none;
}
.gen-params td:last-child {
    text-align: right;
    font-family: var(--mm-font-mono);
    color: var(--mm-text);
}

/* ---- Download page: manual download text ---- */
.gen-download-manual {
    font-size: 0.75rem;
    color: var(--mm-mute);
    margin: 0;
}
.gen-download-manual a {
    color: var(--mm-primary);
    text-decoration: none;
}
.gen-download-manual a:hover {
    text-decoration: underline;
}

/* ---- Caution block ---- */
.gen-caution {
    border-left: 2px solid var(--mm-accent);
    background: var(--mm-paper);
    padding: 0.75rem;
    border-radius: 0 var(--mm-r-1) var(--mm-r-1) 0;
    margin-bottom: 1rem;
}
.gen-caution__label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: .08em;
    color: var(--mm-accent);
    margin-bottom: 0.25rem;
}
.gen-caution__body {
    font-size: 0.75rem;
    color: var(--mm-mute);
    margin: 0;
    line-height: 1.6;
}

/* ---- Generate CTA ---- */
.gen-generate {
    margin-bottom: 20px;
}
.gen-generate__btn {
    width: 100%;
    justify-content: center;
    background: var(--mm-primary);
    color: #fff;
    border: none;
    border-radius: var(--mm-r-2);
    font-size: 15px;
    font-weight: 600;
    padding: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background .15s;
}
.gen-generate__btn:hover { background: var(--mm-primary-deep); }
a.gen-generate__btn { text-decoration: none; }

/* ---- Preview link (dashed) ---- */
.gen-preview-link {
    margin-top: 12px;
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border: 1px dashed var(--mm-line);
    border-radius: var(--mm-r-2);
    font-size: 12.5px;
    color: var(--mm-ink);
    text-decoration: none;
    background: var(--mm-paper);
    transition: border-color .15s;
}
.gen-preview-link:hover { border-color: var(--mm-primary); }
.gen-preview-link__icon { color: var(--mm-primary); flex-shrink: 0; }
.gen-preview-link__arrow { margin-left: auto; color: var(--mm-mute); }

/* ---- Info cards (ABOUT·STEP, FEEDBACK) ---- */
.gen-info-card {
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    padding: 16px;
    background: #fff;
}
.gen-info-card--ad { padding: 0; overflow: hidden; }
.gen-info-card__body {
    font-size: 12.5px;
    color: var(--mm-ink-2);
    line-height: 1.65;
    margin: 8px 0 10px;
}
.gen-info-card__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--mm-ink-2);
}
.gen-info-card__list li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
}
.gen-info-card__list li::before {
    content: "✓";
    color: var(--mm-primary);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}
.gen-fbw-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
.gen-fbw-badge {
    font-family: var(--mm-font-mono);
    font-size: 9px;
    color: var(--mm-mute-2);
    letter-spacing: 0.14em;
}
.gen-fbw-submit {
    width: 100%;
    justify-content: center;
    font-size: 12px;
}
.gen-fbw-radio {
    display: flex;
    gap: 16px;
    margin-bottom: 4px;
    font-size: 12.5px;
    color: var(--mm-ink-2);
}
.gen-fbw-radio label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}
.gen-fbw-textarea {
    width: 100%;
    box-sizing: border-box;
    min-height: 80px;
    resize: vertical;
    font-size: 12px;
    padding: 8px;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-1);
    color: var(--mm-ink);
    margin: 8px 0 4px;
    font-family: inherit;
}
.gen-fbw-charcount {
    font-size: 11px;
    color: var(--mm-mute);
    text-align: right;
    margin-bottom: 8px;
}
.gen-fbw-msg {
    font-size: 12px;
    margin-top: 6px;
    text-align: center;
}

/* ---- Param Field (right pane form input) ---- */
.gen-field { }
.gen-field__head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
}
.gen-field__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--mm-ink);
}
.gen-field__sym {
    font-family: var(--mm-font-mono);
    color: var(--mm-mute);
    margin-left: 6px;
    font-size: 11px;
}
.gen-field__range {
    font-family: var(--mm-font-mono);
    font-size: 10px;
    color: var(--mm-mute);
    letter-spacing: 0.06em;
}
.gen-field__wrap {
    display: flex;
    border: 1px solid var(--mm-line);
    border-radius: var(--mm-r-2);
    overflow: hidden;
    background: #fff;
    transition: border-color .15s;
}
.gen-field__wrap.is-error { border-color: var(--mm-accent); }
.gen-field__input {
    flex: 1;
    border: 0;
    outline: 0;
    padding: 10px 12px;
    font-size: 14px;
    font-family: var(--mm-font-mono);
    font-weight: 500;
    background: #fff;
    color: var(--mm-ink);
    min-width: 0;
}
.gen-field__unit {
    background: var(--mm-bg-soft);
    padding: 10px 12px;
    font-family: var(--mm-font-mono);
    font-size: 12px;
    color: var(--mm-mute);
    border-left: 1px solid var(--mm-line);
    display: flex;
    align-items: center;
    min-width: 40px;
    justify-content: center;
}
.gen-field__hint {
    font-size: 11px;
    color: var(--mm-mute);
    margin-top: 5px;
}
.gen-field__error {
    font-size: 11px;
    color: var(--mm-accent);
    margin-top: 5px;
    display: none;
    align-items: center;
    gap: 4px;
}
.gen-field__select {
    flex: 1;
    border: 0;
    outline: 0;
    padding: 10px 12px;
    font-size: 14px;
    font-family: var(--mm-font-display);
    background: #fff;
    color: var(--mm-ink);
    min-width: 0;
    cursor: pointer;
    appearance: auto;
}
.gen-field__radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 0 4px;
}
.gen-field__radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border: 1px solid var(--mm-line);
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.gen-field__radio-label:has(input:checked) {
    border-color: var(--mm-primary);
    background: var(--mm-bg-soft);
    color: #111;
}
.gen-field__radio-label input[type="radio"],
.gen-field__radio-label input[type="checkbox"] {
    accent-color: #111;
}

/* ================================================================
   Reorderable workspace (slot-based mobile reordering)
   ================================================================ */

/* PC: 2カラムgrid（現行と同一） */
.gen-workspace--reorderable {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr minmax(340px, 380px);
    column-gap: 36px;
    padding: 0 24px 60px;
    align-items: start;
}

/* 列ラッパー */
.gen-col {
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.gen-col--left {
    padding: 32px 0;
}
.gen-col--right {
    position: sticky;
    top: 24px;
    padding: 32px 0;
}

/* スロット間隔 */
.gen-slot + .gen-slot {
    margin-top: 12px;
}

/* --reorderable 配下では各コンポーネントの上マージンをリセット
   （slot の gap と二重にならないよう） */
.gen-workspace--reorderable .gen-howto {
    margin-top: 0;
}
.gen-workspace--reorderable .gen-related {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
    .gen-workspace {
        grid-template-columns: 1fr;
        padding: 0 16px 48px;
    }
    .gen-spec-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .gen-related__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}
@media (max-width: 960px) {
    /* reorderable: 1列フラット化 */
    .gen-workspace--reorderable {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        padding: 0 16px 48px;
    }
    /* 列を透過（子スロットを直接 flex アイテムにする） */
    .gen-col {
        display: contents;
    }
    /* スロット間隔・幅保証 */
    .gen-slot {
        width: 100%;
        margin-top: 12px;
        box-sizing: border-box;
    }
    /* モバイル表示順 */
    .slot--title         { order: 1; }
    .slot--howto         { order: 2; }
    .slot--form          { order: 3; }
    .slot--display-ad    { order: 4; }
    .slot--result        { order: 5; }
    .slot--about         { order: 6; }
    .slot--feedback      { order: 7; }
    .slot--related-block { order: 8; }

    /* sticky 解除 */
    .gen-col--right {
        position: static;
    }
    /* タイトルブロック下余白リセット */
    .gen-workspace--reorderable .gen-title-block {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
    /* download-page: スロット表示順上書き */
    .slot--incontent-ad                           { order: 2; }
    .slot--cta                                    { order: 6; }
    .gen-workspace--download .slot--result        { order: 3; }
    .gen-workspace--download .slot--form          { order: 5; }
    .gen-workspace--download .slot--about         { order: 7; }
    .gen-workspace--download .slot--feedback      { order: 8; }
    .gen-workspace--download .slot--related-block { order: 9; }
}
@media (max-width: 600px) {
    .gen-titlebar { padding: 8px 16px; }
    .gen-titlebar__inner { flex-wrap: wrap; gap: 8px; }
    .gen-titlebar__inner .mm-grow { display: none; }
    .gen-fmt-pill { margin-left: auto; }
    .gen-viewport { height: 320px; }
    .gen-spec-grid { grid-template-columns: repeat(2, 1fr); }
    .gen-related__grid { grid-template-columns: repeat(2, 1fr); }
}