/*
Theme Name: ByteCraft Theme V2
Theme URI: https://bytecraft.co.jp
Description: ByteCraft Inc. 企業サイト用WordPressテーマ - AI×システム開発（V2: エディトリアル・ミニマル）
Version: 3.1.0
Author: ByteCraft Inc.
Text Domain: bytecraft
*/

:root {
    --color-bg: #0b0b0c;
    --color-bg-elev: #111113;
    --color-bg-alpha: rgba(11, 11, 12, 0.72);
    --color-surface: #151518;
    --color-surface-hover: #1b1b1f;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-strong: rgba(255, 255, 255, 0.14);
    --color-text: #ededef;
    --color-text-light: #ffffff;
    --color-text-body: #c4c6cc;
    --color-text-muted: #8b8d94;
    --color-text-faint: #5c5e66;
    --color-accent: #3ddcf5;
    --color-accent-soft: rgba(61, 220, 245, 0.12);
    --color-accent-line: rgba(61, 220, 245, 0.4);
    --color-ok: #4ade80;
    --color-warn: #fbbf24;
    --color-danger: #f87171;
    --color-danger-soft: rgba(248, 113, 113, 0.1);
    --color-ok-soft: rgba(74, 222, 128, 0.1);
    --color-warn-soft: rgba(251, 191, 36, 0.1);
    --color-info: #93b5d8;
    --color-info-soft: rgba(147, 181, 216, 0.1);
    --cube-white: #ededef;
    --cube-yellow: #f5c84c;
    --cube-red: #e5534b;
    --cube-orange: #f0883e;
    --cube-blue: #4c8df6;
    --cube-green: #3fb67a;
    --cube-body: #0a0a0b;
    --cube-app-bg: #f5f5f0;
    --font-sans: 'Inter', 'Noto Sans JP', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'Consolas', monospace;
    --container-max: 1160px;
    --header-height: 64px;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ============================
   リセット & 基本設定
   ============================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    font-feature-settings: "palt";
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* スクリーンリーダー用非表示テキスト */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

/* ============================
   共通パーツ
   ============================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ボタン */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

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

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

.btn-ghost {
    background: transparent;
    border-color: var(--color-border-strong);
    color: var(--color-text);
}

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

.btn-arrow {
    transition: transform 0.2s var(--ease);
}

.btn:hover .btn-arrow {
    transform: translateX(3px);
}

/* セクション */
.section {
    padding: 112px 0;
    border-top: 1px solid var(--color-border);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 32px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.section-label {
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.section-title {
    margin-top: 16px;
    font-size: clamp(30px, 3.6vw, 44px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.section-desc {
    max-width: 28em;
    color: var(--color-text-muted);
    font-size: 15px;
}

.link-more {
    display: inline-flex;
    gap: 6px;
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

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

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag {
    font: 500 11.5px/1 var(--font-mono);
    padding: 6px 9px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* スクロール表示アニメーション（js/reveal.js が is-visible を付与） */
.js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* ============================
   ヘッダー
   ============================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background: var(--color-bg-alpha);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo-img {
    height: 28px;
    width: auto;
}

.logo {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.main-nav .nav-menu {
    display: flex;
    gap: 4px;
    list-style: none;
}

.main-nav .nav-menu a {
    display: block;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color 0.2s, background 0.2s;
}

.main-nav .nav-menu a:hover,
.main-nav .nav-menu .current-menu-item > a {
    color: var(--color-text);
    background: var(--color-surface);
}

/* ハンバーガーメニューボタン */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.3s var(--ease), opacity 0.3s;
}

.menu-toggle.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================
   ヒーロー
   ============================ */
.hero {
    position: relative;
    padding: 120px 0 96px;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 56px;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border: 1px solid var(--color-border-strong);
    border-radius: 999px;
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

.hero-title {
    margin-top: 28px;
    font-size: clamp(40px, 6.2vw, 76px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.035em;
}

.hero-title .is-muted {
    color: var(--color-text-faint);
}

.hero-lead {
    margin-top: 24px;
    max-width: 30em;
    font-size: 17px;
    color: var(--color-text-muted);
}

.hero-actions {
    margin-top: 40px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* 3D キャラクター（js/hero-cat.js） */
.cat-stage {
    position: relative;
    aspect-ratio: 1 / 1.05;
}

.cat-stage.is-interactive {
    cursor: pointer;
}

.cat-stage::before {
    content: "";
    position: absolute;
    inset: 12% 8% 6%;
    background: radial-gradient(ellipse at 50% 55%, rgba(61, 220, 245, 0.1), transparent 65%);
    pointer-events: none;
}

.cat-stage canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s var(--ease);
}

.cat-stage.is-ready canvas {
    opacity: 1;
}

.cat-loading {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
    transition: opacity 0.4s;
}

.cat-stage.is-ready .cat-loading {
    opacity: 0;
    pointer-events: none;
}

.cat-hint {
    position: absolute;
    top: 8px;
    right: 0;
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
    opacity: 0;
    transition: opacity 0.6s 0.8s;
}

.cat-stage.is-ready .cat-hint {
    opacity: 1;
}

/* ============================
   サービス（ベントーグリッド）
   ============================ */
.bento {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: minmax(200px, auto);
    gap: 16px;
}

.tile {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    padding: 32px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color 0.25s, background 0.25s;
}

.tile:hover {
    border-color: var(--color-border-strong);
    background: var(--color-surface-hover);
}

.tile-num {
    font: 500 12px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.tile h3 {
    margin-top: 16px;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.tile p {
    margin-top: 12px;
    max-width: 36em;
    font-size: 14.5px;
    color: var(--color-text-muted);
}

.tile > .tags {
    margin-top: auto;
    padding-top: 24px;
}

.tile-ai {
    grid-column: span 4;
    grid-row: span 2;
}

.tile-ai h3 {
    font-size: clamp(26px, 2.6vw, 32px);
}

.tile-arch {
    grid-column: span 2;
    grid-row: span 2;
}

.tile-sec,
.tile-cloud {
    grid-column: span 3;
}

.tile-stack {
    grid-column: span 6;
}

.flow {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.flow-step {
    position: relative;
    padding: 16px 14px;
    background: var(--color-bg-elev);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font: 500 12px/1.4 var(--font-mono);
    color: var(--color-text-muted);
}

.flow-step .icon {
    display: block;
    width: 22px;
    height: 22px;
    margin-bottom: 14px;
    color: var(--color-text-muted);
}

.flow-step.is-active .icon {
    color: var(--color-accent);
}

/* ステップ間をつなぐ線 */
.flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -11px;
    width: 10px;
    height: 1px;
    background: var(--color-border-strong);
}

.flow-step b {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--color-text);
}

.flow-step.is-active {
    border-color: var(--color-accent-line);
}

.flow-step.is-active b {
    color: var(--color-accent);
}

.point-list {
    margin-top: 24px;
    list-style: none;
    font: 13px/1 var(--font-mono);
    color: var(--color-text-muted);
}

.point-list li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--color-border);
}

.point-list li span:last-child {
    color: var(--color-text-faint);
}

.stack-grid {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.stack-grid h4 {
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.stack-grid .tags {
    padding-top: 14px;
}

.stack-grid .tag {
    padding: 7px 10px;
    font-size: 12.5px;
    color: var(--color-text);
}

/* タイル内の導線（自社プロダクトへ） */
.tile > .tile-link {
    margin-top: auto;
    padding-top: 24px;
    align-self: flex-start;
}

.tile > .tags + .tile-link {
    margin-top: 0;
    padding-top: 16px;
}

/* ============================
   自社プロダクト（トップページ）
   ============================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.product-tile {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 24px;
    padding: 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: border-color 0.25s;
}

.product-tile:hover {
    border-color: var(--color-border-strong);
}

/* 製品ページがある製品は全幅で先頭に置く */
.product-tile.is-featured {
    grid-column: 1 / -1;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 40px;
    padding: 36px;
}

.product-tile-text {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.product-tile-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.product-platform {
    padding: 5px 8px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    font: 500 11px/1 var(--font-mono);
    color: var(--color-text-muted);
    white-space: nowrap;
}

.product-tile h3 {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

.product-tile.is-featured h3 {
    font-size: clamp(24px, 2.6vw, 30px);
}

.product-tile p {
    max-width: 34em;
    font-size: 14.5px;
    color: var(--color-text-muted);
}

.product-tile p strong {
    color: var(--color-text);
    font-weight: 600;
}

.product-tile-actions {
    margin-top: 8px;
}

/* GitHub など外部へのリンク（サイト内の「詳しく見る」ボタンと見た目を分ける） */
.product-ext {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--color-border-strong);
    font-size: 14px;
    font-weight: 600;
    transition: border-color 0.2s;
}

.product-ext span {
    color: var(--color-text-muted);
}

.product-ext:hover {
    border-color: var(--color-text);
}

/* 製品の画面の一部を描いた絵（受信トレイ・通信の記録・ルール） */
.product-inbox,
.product-mini {
    min-width: 0;
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
}

.product-visual-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--color-border);
    font: 400 11.5px/1.4 var(--font-mono);
    color: var(--color-text-faint);
}

.product-visual-head b {
    font-weight: 500;
    color: var(--color-text-muted);
}

.product-inbox ol,
.product-flows {
    list-style: none;
}

.product-inbox li {
    display: grid;
    grid-template-columns: 3px minmax(0, 1fr);
    border-bottom: 1px solid var(--color-border);
}

.product-inbox li:last-child {
    border-bottom: 0;
}

.product-inbox-bar {
    background: var(--color-info);
}

.product-inbox-bar.is-urgent {
    background: var(--color-danger);
}

.product-inbox-bar.is-high {
    background: var(--color-warn);
}

.product-inbox-msg {
    min-width: 0;
    padding: 12px 16px;
}

.product-inbox-from {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-faint);
}

.product-inbox-subj {
    margin-top: 2px;
    font-size: 13.5px;
    font-weight: 600;
    line-height: 1.55;
    overflow-wrap: anywhere;
}

.product-inbox-peek {
    margin-top: 3px;
    font-size: 12.5px;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-mini-scroll {
    overflow-x: auto;
}

.product-hist {
    width: 100%;
    min-width: 380px;
    border-collapse: collapse;
    font: 400 11.5px/1.4 var(--font-mono);
}

.product-hist th,
.product-hist td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    white-space: nowrap;
    color: var(--color-text-body);
}

.product-hist th {
    font-size: 10.5px;
    font-weight: 500;
    color: var(--color-text-faint);
}

.product-hist td:first-child {
    color: var(--color-text-faint);
}

.product-hist tr:last-child td {
    border-bottom: 0;
}

.product-hist .is-method {
    color: var(--color-text);
}

.product-hist .is-2xx {
    color: var(--color-ok);
}

.product-hist .is-4xx {
    color: var(--color-warn);
}

.product-hist tr.is-held td {
    background: var(--color-accent-soft);
}

.product-hold {
    margin-left: 6px;
    padding: 1px 5px;
    border: 1px solid var(--color-accent-line);
    border-radius: 4px;
    font-size: 10px;
    color: var(--color-accent);
}

.product-rules {
    padding: 12px 14px;
    overflow-x: auto;
    border-bottom: 1px solid var(--color-border);
    font: 400 11.5px/1.9 var(--font-mono);
    color: var(--color-text-muted);
}

.product-rules .is-chain {
    color: var(--color-text-faint);
}

.product-rules .is-proc {
    color: var(--color-text);
}

.product-rules .is-route {
    color: var(--color-accent);
}

.product-rules .is-drop {
    color: var(--color-danger);
}

.product-flows li {
    display: grid;
    grid-template-columns: 7.5em minmax(0, 1fr) auto;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    border-bottom: 1px solid var(--color-border);
    font: 400 11.5px/1.4 var(--font-mono);
    color: var(--color-text-muted);
}

.product-flows li:last-child {
    border-bottom: 0;
}

.product-flow-proc {
    color: var(--color-text);
}

.product-flow-dst {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-flow-out {
    padding: 2px 6px;
    border: 1px solid var(--color-border-strong);
    border-radius: 4px;
    font-size: 10.5px;
    color: var(--color-text-body);
    white-space: nowrap;
}

.product-flow-out.is-drop {
    border-color: var(--color-danger);
    color: var(--color-danger);
}

/* ============================
   進め方
   ============================ */
.process {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    list-style: none;
}

.process-step {
    position: relative;
    padding: 0 24px 8px 0;
    border-top: 1px solid var(--color-border-strong);
}

.process-icon {
    position: relative;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-top: -22px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text);
}

.process-icon .icon {
    width: 22px;
    height: 22px;
}

.process-step h3 {
    margin-top: 14px;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.process-step p {
    margin-top: 8px;
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ============================
   AI・セキュリティ速報（トップページ）
   ============================ */
.news-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 64px;
}

.news-intro .section-desc {
    margin-top: 20px;
}

.news-intro .btn {
    margin-top: 32px;
}

.news-list {
    list-style: none;
    border-top: 1px solid var(--color-border);
}

.news-row {
    display: grid;
    grid-template-columns: 92px 72px 1fr 20px;
    gap: 16px;
    align-items: baseline;
    padding: 20px 4px;
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s, padding 0.25s var(--ease);
}

.news-row:hover {
    background: var(--color-surface);
    padding-left: 12px;
}

.news-date {
    font: 13px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.news-cat {
    justify-self: start;
    padding: 5px 8px;
    border-radius: 5px;
    background: var(--color-accent-soft);
    font: 500 11px/1 var(--font-mono);
    letter-spacing: 0.04em;
    color: var(--color-accent);
}

.news-title {
    font-size: 15px;
    line-height: 1.6;
}

.news-arrow {
    color: var(--color-text-faint);
    transition: color 0.2s, transform 0.2s var(--ease);
}

.news-row:hover .news-arrow {
    color: var(--color-text);
    transform: translateX(3px);
}

.news-empty {
    padding: 24px 4px;
    color: var(--color-text-muted);
}

/* ターミナル風 UI */
.terminal {
    margin-top: 40px;
    overflow: hidden;
    background: var(--color-bg-elev);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.8;
}

.terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-faint);
}

.terminal-bar i {
    display: block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #2a2a2e;
}

.terminal-bar span {
    margin-left: 8px;
}

.terminal-body {
    padding: 16px 18px 18px;
    color: var(--color-text-muted);
}

.terminal-body .prompt {
    color: var(--color-text);
}

.terminal-body .prompt::before {
    content: "$ ";
    color: var(--color-accent);
}

.terminal-body .ok {
    color: var(--color-ok);
}

.terminal-body .warn {
    color: var(--color-warn);
}

.terminal-body .hl {
    color: var(--color-text);
}

.js .terminal-line {
    opacity: 0;
    transform: translateY(4px);
}

.js .is-visible .terminal-line {
    animation: terminal-line-in 0.4s var(--ease) forwards;
    animation-delay: calc(var(--i) * 0.35s + 0.2s);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background: var(--color-accent);
    vertical-align: -2px;
    animation: terminal-blink 1s steps(1) infinite;
}

@keyframes terminal-line-in {
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes terminal-blink {
    50% {
        opacity: 0;
    }
}

/* ============================
   Playground（CUBE STUDIO 紹介）
   ============================ */
.playground {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.playground-text .section-desc {
    margin-top: 20px;
}

.playground-tags {
    margin-top: 24px;
}

.playground-text .btn {
    margin-top: 32px;
}

.playground-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 380px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.25s;
}

.playground-visual::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 45%, rgba(61, 220, 245, 0.1), transparent 60%);
    pointer-events: none;
}

.playground-visual:hover {
    border-color: var(--color-border-strong);
}

/* CSS 3D キューブ（template-parts/content/mini-cube.php） */
.mini-cube {
    --cube-size: 180px;
    width: var(--cube-size);
    height: var(--cube-size);
    perspective: 900px;
}

.mini-cube-body {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transform: rotateX(-28deg) rotateY(-38deg);
    animation: mini-cube-spin 24s linear infinite;
}

.playground-visual:hover .mini-cube-body {
    animation-duration: 8s;
}

.mini-cube-face {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    padding: 6px;
    background: var(--cube-body);
    border-radius: 12px;
    backface-visibility: hidden;
}

.mini-cube-face--front {
    transform: translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-face--back {
    transform: rotateY(180deg) translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-face--right {
    transform: rotateY(90deg) translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-face--left {
    transform: rotateY(-90deg) translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-face--top {
    transform: rotateX(90deg) translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-face--bottom {
    transform: rotateX(-90deg) translateZ(calc(var(--cube-size) / 2));
}

.mini-cube-sticker {
    border-radius: 6px;
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18);
}

.mini-cube-sticker.is-w { background: var(--cube-white); }
.mini-cube-sticker.is-y { background: var(--cube-yellow); }
.mini-cube-sticker.is-r { background: var(--cube-red); }
.mini-cube-sticker.is-o { background: var(--cube-orange); }
.mini-cube-sticker.is-b { background: var(--cube-blue); }
.mini-cube-sticker.is-g { background: var(--cube-green); }

@keyframes mini-cube-spin {
    from {
        transform: rotateX(-28deg) rotateY(-38deg);
    }

    to {
        transform: rotateX(-28deg) rotateY(322deg);
    }
}

/* ============================
   アイキャッチ未設定時のサムネイル（bytecraft_fallback_thumbnail()）
   ============================ */
.fallback-thumb {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    container-type: inline-size;
}

/* ラベルの読みやすさ確保のため左側を暗くする */
.fallback-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(16, 17, 20, 0.9) 0%, rgba(16, 17, 20, 0.6) 30%, rgba(16, 17, 20, 0) 60%);
    pointer-events: none;
}

.fallback-thumb-label {
    position: absolute;
    z-index: 1;
    left: 7cqi;
    bottom: 7cqi;
    display: flex;
    flex-direction: column;
    gap: 2cqi;
    pointer-events: none;
}

.fallback-thumb-kicker {
    font: 500 clamp(9px, 3.2cqi, 12px)/1 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.fallback-thumb-headline {
    font-size: clamp(14px, 9cqi, 40px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

/* ============================
   最新ブログ（トップページ）
   ============================ */
.latest-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.latest-card {
    display: block;
}

.latest-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.latest-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.latest-card:hover .latest-thumb img {
    transform: scale(1.04);
}

.latest-meta {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.latest-title {
    margin-top: 10px;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.latest-card:hover .latest-title {
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--color-text-faint);
}

.no-posts-message {
    color: var(--color-text-muted);
}

/* ============================
   ステートメント
   ============================ */
.statement {
    padding: 140px 0;
    border-top: 1px solid var(--color-border);
}

.statement-text {
    margin-top: 24px;
    max-width: 18em;
    font-size: clamp(28px, 4.4vw, 56px);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.035em;
}

.statement-text .is-muted {
    color: var(--color-text-faint);
}

.statement .hero-actions {
    margin-top: 48px;
}

/* ============================
   フッター
   ============================ */
.site-footer {
    padding: 56px 0 40px;
    border-top: 1px solid var(--color-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.footer-tagline {
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 40px 64px;
}

.footer-nav h2 {
    margin-bottom: 16px;
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-faint);
}

.footer-nav ul {
    list-style: none;
    display: grid;
    gap: 10px;
    font-size: 14px;
    color: var(--color-text-muted);
}

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

.footer-bottom {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font: 12px/1.6 var(--font-mono);
    color: var(--color-text-faint);
}

/* ============================
   下層ページ: レイアウト
   ============================ */
.content-area {
    padding: 64px 0 112px;
}

.layout-with-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 56px;
    align-items: start;
}

.main-content {
    min-width: 0;
}

/* アーカイブ・検索結果ヘッダー */
.archive-header {
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.archive-label {
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.archive-title {
    margin-top: 16px;
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.03em;
}

.archive-count {
    margin-top: 12px;
    font: 13px/1 var(--font-mono);
    color: var(--color-text-faint);
}

/* ============================
   サイドバー
   ============================ */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + 32px);
}

.sidebar-widget {
    padding: 24px;
    margin-bottom: 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.widget-title {
    margin-bottom: 16px;
    font: 500 12px/1 var(--font-mono);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

/* 検索フォーム */
.search-input-wrapper {
    display: flex;
    background: var(--color-bg-elev);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.2s;
}

.search-input-wrapper:focus-within {
    border-color: var(--color-accent-line);
}

.search-input {
    flex: 1;
    min-width: 0;
    padding: 10px 14px;
    background: none;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 14px;
    color: var(--color-text);
}

.search-input::placeholder {
    color: var(--color-text-faint);
}

.search-submit {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    background: none;
    border: none;
    font-family: inherit;
    font-size: 13px;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.2s;
}

.search-submit:hover {
    color: var(--color-text);
}

/* アーカイブ・カテゴリーリスト */
.archive-list,
.category-list {
    list-style: none;
}

.archive-list li,
.category-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed var(--color-border);
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.archive-list li:last-child,
.category-list li:last-child {
    border-bottom: none;
}

.archive-list li a,
.category-list li a {
    flex: 1;
    padding: 10px 0;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.archive-list li a:hover,
.category-list li a:hover {
    color: var(--color-text);
}

/* ============================
   下層ページ: 記事一覧カード
   ============================ */
.blog-list {
    display: flex;
    flex-direction: column;
}

.blog-card {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 28px;
    padding: 28px 0;
    border-bottom: 1px solid var(--color-border);
}

.blog-card:first-child {
    padding-top: 0;
}

.blog-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.blog-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}

.blog-card:hover .blog-thumb img {
    transform: scale(1.04);
}

.blog-date {
    display: block;
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.blog-card-content h3 {
    margin-top: 10px;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.blog-card-content h3 a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--color-text-faint);
}

.blog-card-content p {
    margin-top: 10px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.read-more {
    display: inline-block;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

.read-more:hover {
    color: var(--color-text);
}

/* 該当なし */
.no-results {
    padding: 48px 32px;
    text-align: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.no-results h2 {
    font-size: 20px;
    font-weight: 600;
}

.no-results p {
    margin: 8px 0 24px;
    color: var(--color-text-muted);
}

.no-results .search-form {
    max-width: 360px;
    margin: 0 auto;
}

/* ページネーション */
.pagination {
    margin-top: 48px;
}

.pagination ul.page-numbers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
}

.pagination a,
.pagination span {
    display: block;
    min-width: 40px;
    padding: 8px 14px;
    text-align: center;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font: 13px/1.6 var(--font-mono);
    color: var(--color-text-muted);
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.pagination a:hover {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border-strong);
}

.pagination .current {
    background: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-bg);
}

.pagination .dots {
    border-color: transparent;
}

/* ============================
   下層ページ: 記事詳細
   ============================ */
.single-post-container,
.single-post-article {
    min-width: 0;
}

.post-date {
    font: 13px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.post-title,
.entry-title {
    margin-top: 16px;
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.03em;
}

.entry-header {
    margin-bottom: 32px;
}

.entry-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.entry-badge {
    padding: 5px 8px;
    border-radius: 5px;
    background: var(--color-accent-soft);
    font: 500 11px/1 var(--font-mono);
    letter-spacing: 0.04em;
    color: var(--color-accent);
}

.post-thumbnail,
.entry-thumbnail {
    margin: 32px 0 40px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.post-thumbnail img,
.entry-thumbnail img {
    width: 100%;
}

.single-post-container .entry-content {
    margin-top: 40px;
}

/* 記事本文 */
.entry-content,
.page-content {
    font-size: 16px;
    line-height: 1.95;
    color: var(--color-text-body);
}

.entry-content > * + *,
.page-content > * + * {
    margin-top: 1.4em;
}

.entry-content h2,
.page-content h2 {
    margin-top: 2.4em;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.entry-content h3,
.page-content h3 {
    margin-top: 2em;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--color-text);
}

.entry-content a,
.page-content a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: var(--color-accent-line);
}

.entry-content a:hover,
.page-content a:hover {
    text-decoration-color: var(--color-accent);
}

.entry-content ul,
.entry-content ol,
.page-content ul,
.page-content ol {
    padding-left: 1.4em;
}

.entry-content li + li,
.page-content li + li {
    margin-top: 0.4em;
}

.entry-content blockquote {
    padding: 4px 0 4px 20px;
    border-left: 2px solid var(--color-border-strong);
    color: var(--color-text-muted);
}

.entry-content pre {
    padding: 20px;
    overflow-x: auto;
    background: var(--color-bg-elev);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    line-height: 1.7;
}

.entry-content code {
    font-family: var(--font-mono);
    font-size: 0.88em;
}

.entry-content :not(pre) > code {
    padding: 2px 6px;
    background: var(--color-surface);
    border-radius: 4px;
}

.entry-content img {
    border-radius: var(--radius-md);
}

/* 前後ナビゲーション */
.post-navigation {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.post-navigation a {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
    transition: color 0.2s;
}

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

/* ============================
   固定ページ
   ============================ */
.page-article {
    max-width: 880px;
    margin: 0 auto;
}

.page-article .archive-header {
    margin-bottom: 48px;
}

/* 企業情報テーブル（固定ページ本文で使用） */
.company-table {
    width: 100%;
    border-collapse: collapse;
    border-top: 1px solid var(--color-border-strong);
}

.company-table th,
.company-table td {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

.company-table th {
    width: 28%;
    padding-right: 24px;
    font: 500 13px/1.9 var(--font-mono);
    color: var(--color-text-muted);
}

.company-table td {
    color: var(--color-text);
}

.company-table ul {
    margin: 0;
    padding-left: 1.2em;
}

/* ============================
   お問い合わせフォーム
   ============================ */
.contact-container {
    max-width: 720px;
}

.contact-lead {
    margin-top: 16px;
    color: var(--color-text-muted);
}

.contact-notice {
    margin: 32px 0;
    padding: 24px 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.contact-notice h2 {
    margin-bottom: 8px;
    font-size: 18px;
}

.contact-notice-success {
    border-color: var(--color-accent-line);
}

.contact-notice-error {
    border-color: rgba(248, 113, 113, 0.4);
    background: var(--color-danger-soft);
    color: var(--color-danger);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 14px;
    font-weight: 500;
}

.form-field .required {
    margin-left: 2px;
    color: var(--color-accent);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 12px 14px;
    background: var(--color-bg-elev);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field textarea,
.comment-form textarea {
    min-height: 160px;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus,
.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-accent-line);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-field input[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
    border-color: rgba(248, 113, 113, 0.6);
}

.field-error {
    font-size: 13px;
    color: var(--color-danger);
}

.form-submit {
    margin-top: 8px;
}

/* ハニーポット: 画面外に配置してユーザーには見せない */
.contact-honeypot {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ============================
   コメント
   ============================ */
.comments-area {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.comments-title,
.comment-reply-title {
    margin-bottom: 24px;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.comment-reply-title small {
    margin-left: 12px;
    font-size: 13px;
    font-weight: 400;
}

.comment-reply-title small a {
    color: var(--color-text-muted);
}

.comment-list {
    list-style: none;
    margin-bottom: 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-list .children {
    list-style: none;
    margin: 16px 0 0 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.comment-body {
    padding: 20px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.comment-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.comment-author img {
    border-radius: 50%;
}

.comment-author .fn {
    font-size: 15px;
    font-weight: 600;
}

.comment-metadata {
    margin: 4px 0 12px;
}

.comment-metadata a,
.comment-metadata time {
    font: 12px/1 var(--font-mono);
    color: var(--color-text-faint);
}

.comment-content p {
    font-size: 15px;
    color: var(--color-text-body);
}

.comment-content p + p {
    margin-top: 10px;
}

.comment-awaiting-moderation {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--color-accent);
}

.comment-reply-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.comment-reply-link:hover {
    color: var(--color-text);
}

.comment-notes,
.required-field-message,
.logged-in-as,
.must-log-in {
    font-size: 13px;
    color: var(--color-text-muted);
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.comment-form p:not(.comment-notes):not(.logged-in-as):not(.form-submit) {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.comment-form label {
    font-size: 14px;
    font-weight: 500;
}

.comment-form .required {
    color: var(--color-accent);
}

.comment-form-cookies-consent {
    flex-direction: row !important;
    align-items: flex-start;
    gap: 10px !important;
}

.comment-form-cookies-consent input[type="checkbox"] {
    margin-top: 5px;
    accent-color: var(--color-accent);
}

.comment-form-cookies-consent label {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-muted);
}

.comment-form input[type="submit"] {
    height: 44px;
    padding: 0 24px;
    background: var(--color-text);
    border: none;
    border-radius: 999px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-bg);
    cursor: pointer;
}

.comment-form input[type="submit"]:hover {
    background: var(--color-text-light);
}

/* ============================
   AI・セキュリティ速報 本文（scripts/daily_digest.py が出力する HTML）
   ============================ */
.ai-news-section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-strong);
}

.ai-news-card-item {
    padding: 20px 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s;
}

.ai-news-card-item:hover {
    border-color: var(--color-border-strong);
}

.ai-news-card-item > * + * {
    margin-top: 10px;
}

.ai-news-card-item h3 {
    margin-top: 0;
}

.ai-news-meta-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.ai-news-tag {
    padding: 4px 8px;
    border-radius: 5px;
    background: var(--color-accent-soft);
    font: 500 11px/1.4 var(--font-mono);
    color: var(--color-accent);
}

.badge-severity {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 5px;
    font: 700 11px/1.4 var(--font-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.badge-severity.critical {
    background: #ef4444;
    color: #ffffff;
}

.badge-severity.high {
    background: #f59e0b;
    color: #111111;
}

.badge-severity.medium {
    background: #22c55e;
    color: #111111;
}

.cve-code {
    padding: 2px 8px;
    background: var(--color-bg-elev);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85em;
    color: #fda4af;
}

.entry-content .ai-news-bullets {
    list-style: none;
    padding-left: 0;
}

.ai-news-bullets li {
    position: relative;
    padding-left: 18px;
    font-size: 15px;
}

.ai-news-bullets li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.8em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}

.ai-news-summary {
    font-size: 15px;
}

.entry-content .ai-news-source-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
}

/* ============================
   CUBE STUDIO ページ（page-cube.php）
   ============================ */
.cube-page-header {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 24px;
    flex-wrap: wrap;
}

.cube-page-lead {
    margin-top: 16px;
    max-width: 36em;
    color: var(--color-text-muted);
}

.cube-frame {
    overflow: hidden;
    background: var(--cube-app-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.cube-frame iframe {
    display: block;
    width: 100%;
    height: max(760px, calc(100vh - var(--header-height) - 48px));
    border: 0;
}

.cube-page-content {
    max-width: 880px;
    margin: 56px auto 0;
}

/* ============================
   視差効果を減らす設定
   ============================ */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .js .reveal,
    .js .terminal-line,
    .js .is-visible .terminal-line {
        opacity: 1;
        transform: none;
        transition: none;
        animation: none;
    }

    .terminal-cursor,
    .mini-cube-body {
        animation: none;
    }
}

/* ============================
   レスポンシブ対応
   ============================ */

/* タブレット */
@media (max-width: 960px) {
    .hero {
        padding: 80px 0 72px;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .cat-stage {
        width: 100%;
        max-width: 520px;
        margin: 0 auto;
    }

    .bento {
        grid-template-columns: 1fr 1fr;
    }

    .tile-ai,
    .tile-arch,
    .tile-sec,
    .tile-cloud,
    .tile-stack {
        grid-column: span 2;
        grid-row: auto;
    }

    .stack-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-grid,
    .product-tile.is-featured {
        grid-template-columns: minmax(0, 1fr);
    }

    .product-tile.is-featured {
        gap: 28px;
    }

    .process {
        grid-template-columns: 1fr 1fr;
        row-gap: 48px;
    }

    .news-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .latest-grid {
        grid-template-columns: 1fr 1fr;
    }

    .playground {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .layout-with-sidebar {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .sidebar {
        position: static;
    }
}

/* スマートフォン */
@media (max-width: 720px) {
    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        padding: 12px 16px 20px;
        background: rgba(11, 11, 12, 0.97);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.25s, transform 0.25s var(--ease);
    }

    .main-nav.is-open {
        transform: none;
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav .nav-menu {
        flex-direction: column;
        gap: 2px;
    }

    .main-nav .nav-menu a {
        padding: 12px;
        font-size: 15px;
    }

    .container {
        padding: 0 16px;
    }

    .section {
        padding: 80px 0;
    }

    .tile,
    .product-tile,
    .product-tile.is-featured {
        padding: 24px;
    }

    .flow,
    .stack-grid {
        grid-template-columns: 1fr 1fr;
    }

    .flow-step:nth-child(2n)::after {
        display: none;
    }

    .process {
        grid-template-columns: 1fr;
    }

    .news-row {
        grid-template-columns: 1fr auto;
        gap: 8px 12px;
    }

    .news-cat {
        grid-column: 2;
        grid-row: 1;
        justify-self: end;
    }

    .news-title {
        grid-column: 1 / -1;
    }

    .news-arrow {
        display: none;
    }

    .latest-grid {
        grid-template-columns: 1fr;
    }

    .statement {
        padding: 96px 0;
    }

    .playground-visual {
        min-height: 300px;
    }

    .mini-cube {
        --cube-size: 140px;
    }

    .cube-page .container {
        padding: 0;
    }

    .cube-page-header {
        padding: 0 16px 24px;
    }

    .cube-frame {
        border-radius: 0;
        border-left: 0;
        border-right: 0;
    }

    .cube-frame iframe {
        height: calc(100svh - var(--header-height));
    }

    .cube-page-content {
        padding: 0 16px;
    }

    .footer-nav {
        gap: 40px;
    }

    .content-area {
        padding: 40px 0 80px;
    }

    .blog-card {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .post-navigation {
        flex-direction: column;
    }

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
    }

    .company-table th {
        padding-bottom: 4px;
        border-bottom: none;
    }

    .company-table td {
        padding-top: 0;
    }
}