/*
Theme Name: Gas Media Theme
Theme URI: https://example.com/
Author: GasTech Media
Author URI: https://example.com/
Description: 給湯器メディアサイト用WordPressテーマ - 地域密着型お悩み解決メディア
Version: 3.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: gas-media
Tags: custom-logo, custom-menu, featured-images, theme-options

給湯器ライフマガジン - Design System v2.1 対応
*/

/* ==========================================================================
   Design System v2.1 - Design Tokens
   ========================================================================== */
:root {
    /* Background */
    --c-bg: #F8FAFC;
    --c-bg-alt: #F1F5F9;
    --c-surface: #FFFFFF;

    /* Text */
    --c-text: #1E293B;
    --c-text-secondary: #64748B;
    --c-text-tertiary: #94A3B8;

    /* Border */
    --c-border: #E2E8F0;
    --c-border-light: #F1F5F9;

    /* Brand */
    --c-primary: #0F172A;
    --c-accent: #F97316;
    --c-accent-hover: #EA580C;

    /* Semantic */
    --c-blue: #3B82F6;
    --c-blue-dark: #2563EB;
    --c-blue-light: #EFF6FF;
    --c-green: #10B981;
    --c-green-light: #ECFDF5;
    --c-red: #EF4444;
    --c-red-light: #FEF2F2;
    --c-yellow: #F59E0B;
    --c-yellow-light: #FFFBEB;
    --c-line: #06C755;

    /* Typography */
    --font-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Layout */
    --container-max: 1140px;
    --content-max: 720px;
    --sidebar-width: 300px;

    /* Effects */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
    --shadow-card: 0 2px 8px rgba(0,0,0,0.06), 0 0 1px rgba(0,0,0,0.1);
    --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.12), 0 0 1px rgba(0,0,0,0.1);

    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.8;
    color: var(--c-text);
    background: var(--c-bg);
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
::selection { background: var(--c-blue); color: white; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-lg); }

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* ==========================================================================
   Top Bar
   ========================================================================== */
.top-bar {
    background: linear-gradient(135deg, var(--c-red) 0%, #DC2626 100%);
    color: white;
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
}
.top-bar__inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.top-bar__badge {
    background: rgba(255,255,255,0.2);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}
.top-bar__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255,255,255,0.15);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 700;
}
.top-bar__phone:hover { background: rgba(255,255,255,0.25); }

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-primary);
}
.logo__badge {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    background: var(--c-border-light);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
}
.nav { display: flex; gap: var(--space-xl); }
.nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    position: relative;
}
.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--c-accent);
    transition: var(--transition);
}
.nav a:hover { color: var(--c-text); }
.nav a:hover::after { width: 100%; }
.header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.header__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    color: white;
    padding: 0.5rem 1.125rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    transition: var(--transition);
}
.header__cta--tel { background: var(--c-accent); }
.header__cta--tel:hover { background: var(--c-accent-hover); transform: translateY(-1px); }
.header__cta--line { background: var(--c-line); }
.header__cta--line:hover { background: #05B94D; transform: translateY(-1px); }
/* Hamburger Button */
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; z-index: 1001; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--c-text); margin: 5px 0; transition: var(--transition); }
.hamburger.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--space-lg);
        z-index: 1000;
    }
    .nav.is-open { display: flex; }
    .nav.is-open a { font-size: 1.125rem; padding: var(--space-md); }
    .header__actions { display: none; }
}

/* WordPress admin bar offset */
.admin-bar .header { top: 32px; }
@media (max-width: 782px) { .admin-bar .header { top: 46px; } }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 40%, #2563EB 100%);
    padding: 5rem 0 4.5rem;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -8%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249,115,22,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.hero__title {
    font-size: clamp(1.625rem, 5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    position: relative;
}
.hero__text {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: var(--space-2xl);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}
/* hero__buttons / hero__btn removed — CTAs moved to header */

.hero__badges {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
    position: relative;
}
.hero__badge {
    text-align: center;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-xl);
    min-width: 130px;
}
.hero__badge-number {
    font-size: 2rem;
    font-weight: 800;
    display: block;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, #93C5FD 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__badge-label {
    font-size: 0.75rem;
    opacity: 0.7;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

/* Hero Error Quick Search */
.hero__error {
    margin-top: var(--space-2xl);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}
.hero__error-label {
    font-size: 0.75rem;
    font-weight: 600;
    opacity: 0.6;
    letter-spacing: 0.08em;
}
.hero__error-codes {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}
.hero__error-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    padding: 0.5rem 0.875rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 700;
    color: white;
    transition: var(--transition);
    backdrop-filter: blur(4px);
}
.hero__error-chip:hover {
    background: rgba(255,255,255,0.95);
    color: var(--c-red);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(239,68,68,0.3);
}
.hero__error-input {
    display: inline-flex;
    align-items: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: var(--transition);
}
.hero__error-input:focus-within {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.4);
}
.hero__error-input input {
    width: 64px;
    padding: 0.5rem 0 0.5rem 0.875rem;
    background: transparent;
    border: none;
    font-size: 0.9375rem;
    font-weight: 700;
    color: white;
    font-family: var(--font-base);
    outline: none;
}
.hero__error-input input::placeholder { color: rgba(255,255,255,0.4); font-weight: 500; }
.hero__error-input button {
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.6);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}
.hero__error-input button:hover { color: white; }

/* Hero Error -- Main (Prominent position) */
.hero__error--main {
    margin-top: var(--space-xl);
    margin-bottom: var(--space-lg);
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-2xl);
    gap: var(--space-md);
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}
.hero__error--main .hero__error-label {
    font-size: 0.9375rem;
    font-weight: 700;
    opacity: 0.95;
    letter-spacing: 0.04em;
    color: white;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.hero__error--main .hero__error-codes {
    gap: 0.625rem;
}
.hero__error--main .hero__error-chip {
    min-width: 60px;
    padding: 0.625rem 1.125rem;
    font-size: 1.0625rem;
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.28);
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.hero__error--main .hero__error-chip:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(239,68,68,0.4);
}
.hero__error--main .hero__error-input {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.28);
}
.hero__error--main .hero__error-input input {
    width: 72px;
    padding: 0.625rem 0 0.625rem 1rem;
    font-size: 1.0625rem;
}
.hero__error--main .hero__error-input button {
    padding: 0.625rem 0.875rem;
    font-size: 1.125rem;
}
.hero__error-all {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    color: #FCA5A5;
    letter-spacing: 0.04em;
    transition: var(--transition);
    border-bottom: 1px solid rgba(252,165,165,0.4);
    padding-bottom: 2px;
}
.hero__error-all:hover {
    color: #FEE2E2;
    border-bottom-color: #FCA5A5;
}

@media (max-width: 600px) {
    .hero__error-chip { min-width: 44px; padding: 0.4rem 0.7rem; font-size: 0.8125rem; }
    .hero__error--main { padding: var(--space-lg) var(--space-md); }
    .hero__error--main .hero__error-chip { min-width: 48px; padding: 0.5rem 0.875rem; font-size: 0.9375rem; }
    .hero__error--main .hero__error-label { font-size: 0.8125rem; }
}

/* ==========================================================================
   Section
   ========================================================================== */
.section { padding: 5rem 0; }
.section--white { background: var(--c-surface); }
.section--gray { background: var(--c-bg); }
.section--blue-light { background: linear-gradient(180deg, #EFF6FF 0%, #DBEAFE 100%); }
.section--dark {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
    color: white;
    position: relative;
}
.section--dark::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-blue), var(--c-accent));
}
.section--dark .section__title { color: white; }
.section--dark .section__title::after {
    background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-blue) 100%);
}
.section--dark .section__subtitle { color: rgba(255,255,255,0.6); }
.section--dark .section__more-btn {
    border-color: rgba(255,255,255,0.3);
    color: white;
    background: transparent;
}
.section--dark .section__more-btn:hover {
    background: white;
    color: var(--c-primary);
    border-color: white;
}
.section--red-light { background: linear-gradient(135deg, #FEF2F2 0%, #FECACA 50%, #FEE2E2 100%); position: relative; }
.section--red-light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-red), #F87171, var(--c-red));
}
.section--green-light { background: linear-gradient(180deg, #ECFDF5 0%, #D1FAE5 100%); position: relative; }
.section--green-light::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-green), #6EE7B7, var(--c-green));
}

.section__header { text-align: center; margin-bottom: var(--space-2xl); }
.section__eyebrow {
    display: block;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--c-blue);
    text-transform: uppercase;
    margin-bottom: var(--space-md);
    background: var(--c-blue-light);
    padding: 0.4rem 1.25rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(59,130,246,0.15);
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}
/* セクション別アイブロウカラー */
.section--green-light .section__eyebrow {
    color: var(--c-green);
    background: rgba(16,185,129,0.08);
    border-color: rgba(16,185,129,0.15);
}
.section--dark .section__eyebrow {
    color: var(--c-accent);
    background: rgba(249,115,22,0.12);
    border-color: rgba(249,115,22,0.2);
}
.section__title {
    font-size: clamp(1.75rem, 4vw, 2.125rem);
    font-weight: 800;
    color: var(--c-primary);
    margin-bottom: var(--space-sm);
    position: relative;
    display: inline-block;
    letter-spacing: -0.02em;
}
.section__header .section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--c-blue) 0%, var(--c-accent) 100%);
    border-radius: 2px;
    margin: 0.75rem auto 0;
}
.section__subtitle {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    margin-top: var(--space-sm);
}
.section__more { text-align: center; margin-top: var(--space-2xl); }
.section__more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2.5rem;
    background: var(--c-surface);
    border: 2px solid var(--c-primary);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.section__more-btn:hover {
    background: var(--c-primary);
    color: white;
    border-color: var(--c-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Trouble Cards
   ========================================================================== */
.trouble-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
@media (max-width: 900px) {
    .trouble-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .trouble-grid { grid-template-columns: 1fr; }
}
.trouble-card {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    padding-top: calc(var(--space-lg) + 4px);
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border: 1px solid var(--c-border);
    cursor: pointer;
    display: block;
}
.trouble-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--c-blue);
    transition: height var(--transition-slow);
}
.trouble-card:hover {
    border-color: transparent;
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    transform: translateY(-6px) scale(1.03);
}
.trouble-card:hover::before { height: 6px; }

/* カラーバリエーション */
.trouble-card--red::before    { background: linear-gradient(90deg, #EF4444, #F87171); }
.trouble-card--yellow::before { background: linear-gradient(90deg, #F59E0B, #FBBF24); }
.trouble-card--purple::before { background: linear-gradient(90deg, #8B5CF6, #A78BFA); }
.trouble-card--blue::before   { background: linear-gradient(90deg, #3B82F6, #60A5FA); }
.trouble-card--green::before  { background: linear-gradient(90deg, #10B981, #34D399); }
.trouble-card--orange::before { background: linear-gradient(90deg, #F97316, #FB923C); }


.trouble-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-xs);
}
.trouble-card__desc {
    font-size: 0.8125rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}
.trouble-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
}
/* リンクカラーもカードに合わせる */
.trouble-card--red .trouble-card__link    { color: #EF4444; background: #FEF2F2; }
.trouble-card--yellow .trouble-card__link { color: #D97706; background: #FFFBEB; }
.trouble-card--purple .trouble-card__link { color: #7C3AED; background: #F5F3FF; }
.trouble-card--blue .trouble-card__link   { color: #3B82F6; background: #EFF6FF; }
.trouble-card--green .trouble-card__link  { color: #059669; background: #ECFDF5; }
.trouble-card--orange .trouble-card__link { color: #EA580C; background: #FFF7ED; }

.trouble-card:hover .trouble-card__link { color: white; }
.trouble-card--red:hover .trouble-card__link    { background: #EF4444; box-shadow: 0 4px 12px rgba(239,68,68,0.3); }
.trouble-card--yellow:hover .trouble-card__link { background: #F59E0B; box-shadow: 0 4px 12px rgba(245,158,11,0.3); }
.trouble-card--purple:hover .trouble-card__link { background: #8B5CF6; box-shadow: 0 4px 12px rgba(139,92,246,0.3); }
.trouble-card--blue:hover .trouble-card__link   { background: #3B82F6; box-shadow: 0 4px 12px rgba(59,130,246,0.3); }
.trouble-card--green:hover .trouble-card__link  { background: #10B981; box-shadow: 0 4px 12px rgba(16,185,129,0.3); }
.trouble-card--orange:hover .trouble-card__link { background: #F97316; box-shadow: 0 4px 12px rgba(249,115,22,0.3); }

/* ==========================================================================
   Error Search
   ========================================================================== */
.error-box {
    max-width: 720px;
    margin: 0 auto;
    background: var(--c-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
    text-align: center;
    box-shadow: 0 20px 60px rgba(239,68,68,0.12), var(--shadow-lg);
    border: 1px solid rgba(239,68,68,0.12);
    position: relative;
    overflow: hidden;
}
.error-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #EF4444, #F87171, #EF4444);
}
.error-box__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-red);
    margin-bottom: var(--space-sm);
}
.error-box__text {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-lg);
}
.error-search {
    display: flex;
    gap: var(--space-sm);
    max-width: 360px;
    margin: 0 auto var(--space-lg);
}
.error-search__input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 2px solid var(--c-border);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    font-family: var(--font-base);
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.error-search__input:focus {
    outline: none;
    border-color: var(--c-red);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}
.error-search__input.error {
    border-color: var(--c-red);
    animation: shake 0.4s;
}
.error-search__btn {
    padding: 1rem 1.5rem;
    background: var(--c-red);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}
.error-search__btn:hover {
    background: #DC2626;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.error-search__hint {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
    margin-bottom: var(--space-lg);
}
.error-search__validation {
    display: none;
    font-size: 0.8125rem;
    color: var(--c-red);
    margin-bottom: var(--space-md);
}
.error-search__validation.show { display: block; }
.error-codes-label {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-md);
    font-weight: 500;
}
.error-codes {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.error-code {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--c-red-light);
    color: var(--c-red);
    border: 2px solid var(--c-red);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(239,68,68,0.1);
}
.error-code:hover {
    background: var(--c-red);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.error-box__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.9375rem;
    color: var(--c-blue);
    font-weight: 600;
}
.error-box__link:hover { text-decoration: underline; }

/* ==========================================================================
   Area Section
   ========================================================================== */
.area-card {
    background: var(--c-surface);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-2xl) var(--space-xl);
    box-shadow: 0 12px 40px rgba(59,130,246,0.08), var(--shadow-lg);
    border: 1px solid rgba(59,130,246,0.08);
    position: relative;
    overflow: hidden;
}
.area-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-blue), var(--c-accent));
}
.area-card__label {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--c-blue);
    letter-spacing: 0.15em;
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    background: var(--c-blue-light);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(59,130,246,0.15);
}
.area-card__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-lg);
}
.area-status {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}
.area-status__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    background: var(--c-green-light);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
}
.area-status__dot {
    width: 8px;
    height: 8px;
    background: var(--c-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}
.area-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}
@media (max-width: 900px) {
    .area-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
    .area-grid { grid-template-columns: repeat(2, 1fr); }
}
.area-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-lg) var(--space-md);
    background: var(--c-blue-light);
    border: 2px solid rgba(59,130,246,0.15);
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    position: relative;
    cursor: pointer;
}
.area-btn:hover {
    border-color: var(--c-blue);
    background: var(--c-blue-light);
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-md);
}
.area-btn__badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--c-accent);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}
.area-btn__name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--c-primary);
}
.area-btn__count {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
}
.area-more { text-align: center; }
.area-more__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2.5rem;
    background: var(--c-surface);
    border: 2px solid var(--c-primary);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-primary);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.area-more__btn:hover {
    background: var(--c-primary);
    color: white;
    border-color: var(--c-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Column Cards
   ========================================================================== */
.column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}
@media (max-width: 900px) {
    .column-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .column-grid { grid-template-columns: 1fr; }
}
.column-card {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-slow);
    box-shadow: 0 4px 16px rgba(59,130,246,0.06), var(--shadow-card);
    cursor: pointer;
    display: block;
    position: relative;
    border-bottom: 3px solid transparent;
}
.column-card:hover {
    box-shadow: 0 12px 32px rgba(59,130,246,0.12), var(--shadow-card-hover);
    transform: translateY(-6px) scale(1.03);
    border-bottom-color: var(--c-blue);
}
.column-card__thumb {
    aspect-ratio: 16 / 10;
    background-size: cover;
    background-position: center;
    background-color: var(--c-border-light);
    position: relative;
    overflow: hidden;
}
.column-card__thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.05) 100%);
}
.column-card__thumb--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E0ECFF 0%, #BFDBFE 50%, #93C5FD 100%);
}
.column-card__thumb--placeholder::before {
    content: 'COLUMN';
    font-size: 0.6875rem;
    font-weight: 700;
    color: rgba(59,130,246,0.4);
    letter-spacing: 0.15em;
}
.column-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.column-card__body { padding: var(--space-lg); }
.column-card__category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--c-blue-dark);
    background: linear-gradient(135deg, var(--c-blue-light), #DBEAFE);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
    border: 1px solid rgba(59,130,246,0.12);
}
.column-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}
.column-card:hover .column-card__title { color: var(--c-blue); }
.column-card__date {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
}

/* ==========================================================================
   Works Cards
   ========================================================================== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}
@media (max-width: 768px) {
    .works-grid { grid-template-columns: 1fr; }
}
.works-card {
    display: flex;
    gap: var(--space-lg);
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    padding-left: calc(var(--space-lg) + 4px);
    transition: var(--transition-slow);
    box-shadow: 0 4px 16px rgba(16,185,129,0.08), var(--shadow-card);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.works-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--c-green), #6EE7B7);
    transition: width var(--transition);
}
.works-card:hover::before { width: 6px; }
.works-card:hover {
    box-shadow: 0 12px 32px rgba(16,185,129,0.12), var(--shadow-card-hover);
    transform: translateY(-4px) scale(1.02);
}
.works-card__thumb {
    flex-shrink: 0;
    width: 120px;
    height: 120px;
    background-size: cover;
    background-position: center;
    background-color: var(--c-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.works-card__thumb--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #D1FAE5 0%, #6EE7B7 100%);
}
.works-card__thumb--placeholder::before {
    content: 'WORKS';
    font-size: 0.5625rem;
    font-weight: 700;
    color: rgba(16,185,129,0.4);
    letter-spacing: 0.15em;
}
.works-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.works-card__body { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.works-card__tag {
    display: inline-block;
    width: fit-content;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--c-green);
    background: var(--c-green-light);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}
.works-card__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}
.works-card:hover .works-card__title { color: var(--c-blue); }
.works-card__meta {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    overflow: hidden;
    background: var(--c-surface);
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--c-blue);
}
.faq-item[open] { box-shadow: var(--shadow-card-hover); border-left-color: var(--c-accent); }
.faq-item__question {
    padding: var(--space-lg);
    font-weight: 600;
    color: var(--c-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
    transition: var(--transition);
}
.faq-item__question::-webkit-details-marker { display: none; }
.faq-item__question:hover { background: linear-gradient(90deg, var(--c-blue-light), transparent); }
.faq-item__q {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--c-blue), var(--c-blue-dark));
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}
.faq-item__text { flex: 1; font-size: 1rem; }
.faq-item__icon {
    color: var(--c-text-tertiary);
    font-size: 0.875rem;
    transition: var(--transition);
    background: var(--c-bg);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}
.faq-item[open] .faq-item__icon {
    transform: rotate(180deg);
    color: var(--c-blue);
    background: var(--c-blue-light);
}
.faq-item__answer {
    padding: 0 var(--space-lg) var(--space-lg) calc(var(--space-lg) + 32px + var(--space-md));
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    line-height: 1.8;
}

/* FAQ ダークモード */
.section--dark .faq-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-left: 4px solid var(--c-accent);
    box-shadow: none;
}
.section--dark .faq-item[open] {
    background: rgba(255,255,255,0.07);
    border-color: rgba(255,255,255,0.12);
    border-left-color: var(--c-accent);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.section--dark .faq-item__question { color: white; }
.section--dark .faq-item__question:hover { background: rgba(255,255,255,0.04); }
.section--dark .faq-item__q {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-hover));
    box-shadow: 0 2px 8px rgba(249,115,22,0.4);
}
.section--dark .faq-item__text { color: rgba(255,255,255,0.9); }
.section--dark .faq-item__icon { color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.05); }
.section--dark .faq-item[open] .faq-item__icon {
    color: var(--c-accent);
    background: rgba(249,115,22,0.1);
}
.section--dark .faq-item__answer { color: rgba(255,255,255,0.65); }

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #1D4ED8 100%);
    padding: 5rem 0;
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-section__title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    position: relative;
}
.cta-section__text {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: var(--space-xl);
    position: relative;
}

.photo-estimate {
    max-width: 500px;
    margin: 0 auto var(--space-2xl);
    background: rgba(255,255,255,0.07);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.12);
    position: relative;
}
.photo-estimate__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.photo-estimate__text {
    font-size: 0.9375rem;
    opacity: 0.85;
    margin-bottom: var(--space-lg);
}
.photo-estimate__steps {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}
.photo-estimate__step {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255,255,255,0.15);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}
.photo-estimate__step-num {
    width: 22px;
    height: 22px;
    background: white;
    color: var(--c-blue);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.photo-estimate__samples {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
}
.photo-estimate__sample { text-align: center; }
.photo-estimate__sample-thumb {
    width: 72px;
    height: 72px;
    background-size: cover;
    background-position: center;
    background-color: rgba(255,255,255,0.1);
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}
.photo-estimate__sample-label {
    font-size: 0.75rem;
    opacity: 0.8;
}

.cta-section__buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.cta-section__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1.125rem 2.25rem;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    position: relative;
}
.cta-section__btn:hover { transform: translateY(-3px); }
.cta-section__btn--line { background: var(--c-line); color: white; }
.cta-section__btn--line:hover { box-shadow: 0 8px 30px rgba(6,199,85,0.35); }
.cta-section__btn--tel { background: var(--c-accent); color: white; }
.cta-section__btn--tel:hover { box-shadow: 0 8px 30px rgba(249,115,22,0.4); }
.cta-section__btn--web { background: white; color: var(--c-primary); }
.cta-section__btn--web:hover { box-shadow: 0 8px 30px rgba(255,255,255,0.3); }
.cta-section__phone {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-xs);
    letter-spacing: 0.02em;
    position: relative;
}
.cta-section__phone-sub {
    font-size: 0.875rem;
    opacity: 0.6;
    position: relative;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--c-primary);
    color: white;
    padding: var(--space-3xl) 0;
}
.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer__grid { grid-template-columns: 1fr; } }
.footer__logo {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    display: block;
}
.footer__desc {
    font-size: 0.875rem;
    color: #94A3B8;
    line-height: 1.7;
    margin-bottom: var(--space-md);
}
.footer__phone { font-weight: 700; }
.footer__phone-sub { font-size: 0.8125rem; color: #94A3B8; }
.footer__heading {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}
.footer__links li { margin-bottom: var(--space-sm); }
.footer__links a { font-size: 0.875rem; color: #CBD5E1; }
.footer__links a:hover { color: var(--c-accent); }
.footer__bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.8125rem;
    color: #64748B;
}
.footer__bottom a { color: #94A3B8; }
.footer__bottom a:hover { color: var(--c-accent); }

/* ==========================================================================
   FAB (Mobile Fixed Nav)
   ========================================================================== */
.fab {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: var(--space-sm) var(--space-md);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    z-index: 1000;
}
@media (max-width: 768px) {
    .fab { display: grid; }
    body { padding-bottom: 80px; }
}
.fab__btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.125rem;
    padding: 0.875rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    color: white;
    position: relative;
}
.fab__btn-main { font-size: 1rem; }
.fab__btn-sub { font-size: 0.6875rem; font-weight: 400; opacity: 0.9; }
.fab__btn--line { background: var(--c-line); }
.fab__btn--tel { background: var(--c-accent); }
.fab__btn--tel::before {
    content: '\7DCA\6025';
    position: absolute;
    top: -6px;
    right: 8px;
    background: var(--c-red);
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   Floating Widget
   ========================================================================== */
.floating-widget {
    position: fixed;
    bottom: 100px;
    right: 20px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: flex-end;
    opacity: 0;
    transform: translateY(20px) translateX(20px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}
.floating-widget.is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0);
    pointer-events: auto;
}
@media (max-width: 768px) { .floating-widget { bottom: 100px; right: 12px; } }

.floating-widget__sub {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--c-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    animation: bounce 2s ease-in-out infinite;
}
.floating-widget__dot {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}
.floating-widget__main {
    background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
    color: white;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.3);
    position: relative;
    min-width: 220px;
    border: 2px solid rgba(255,255,255,0.1);
    transition: var(--transition);
    display: block;
}
.floating-widget__main:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.4);
}
.floating-widget__close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,0.2);
    border: none;
    font-size: 0.75rem;
    color: white;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.floating-widget__close:hover { background: rgba(255,255,255,0.3); }
.floating-widget__header {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-sm);
}
.floating-widget__header .floating-widget__dot { background: var(--c-green); }
.floating-widget__label {
    font-size: 0.625rem;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.1em;
}
.floating-widget__content {
    font-size: 1rem;
    color: white;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}
.floating-widget__content strong {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-accent);
    display: inline-block;
    margin: 0 0.25rem;
}
.floating-widget__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.875rem;
    color: white;
    font-weight: 600;
    background: var(--c-accent);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.floating-widget__link:hover { background: var(--c-accent-hover); }

/* ==========================================================================
   Article Layout (Grid with Sidebar)
   ========================================================================== */
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    gap: var(--space-2xl);
    padding: var(--space-lg) 0 var(--space-3xl);
    align-items: start;
}
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .sidebar { display: none; }
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.breadcrumb {
    padding: var(--space-md) 0;
}
.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
}
.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}
.breadcrumb__item:not(:last-child)::after {
    content: '/';
    color: var(--c-border);
    margin-left: var(--space-xs);
}
.breadcrumb a { color: var(--c-text-secondary); }
.breadcrumb a:hover { color: var(--c-blue); }

/* ==========================================================================
   Article Header
   ========================================================================== */
.article-header { margin-bottom: var(--space-xl); }
.article-header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}
.category-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.35rem 0.85rem;
    background: var(--c-blue-light);
    color: var(--c-blue);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
}
.article-header__date {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
}
.article-header__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    line-height: 1.35;
    color: var(--c-primary);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}
.article-header__excerpt {
    font-size: 1rem;
    color: var(--c-text-secondary);
    line-height: 1.7;
}
.article-header__image {
    margin-top: var(--space-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.article-header__image img {
    width: 100%;
    height: auto;
}

/* Area Badge */
.area-badge { display: inline-flex; align-items: center; gap: var(--space-sm); background: var(--c-blue-light); color: var(--c-blue); padding: var(--space-xs) var(--space-md); border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600; margin-bottom: var(--space-md); }
.area-badge__dot { width: 8px; height: 8px; background: var(--c-blue); border-radius: 50%; }

/* Definition Box */
.definition-box { background: var(--c-blue-light); border-left: 4px solid var(--c-blue); padding: var(--space-lg); border-radius: var(--radius-md); margin-bottom: var(--space-xl); }
.definition-box__term { font-size: 1.125rem; font-weight: 700; color: var(--c-text); margin-bottom: var(--space-sm); }
.definition-box__desc { color: var(--c-text-secondary); line-height: 1.8; }

/* ==========================================================================
   TOC (Table of Contents)
   ========================================================================== */
.toc {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}
.toc__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    cursor: pointer;
}
.toc__title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-primary);
}
.toc__icon {
    width: 20px;
    height: 20px;
    background: var(--c-border-light);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
    transition: var(--transition);
}
.toc.is-closed .toc__icon { transform: rotate(-90deg); }
.toc.is-closed .toc__list { display: none; }
.toc__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding-left: 0;
    list-style: none;
}
.toc__list li { list-style: none; }
.toc__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--c-border-light);
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    transition: var(--transition);
}
.toc__item:last-child { border-bottom: none; padding-bottom: 0; }
.toc__item:first-child { padding-top: 0; }
.toc__number {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    background: var(--c-blue-light);
    color: var(--c-blue);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}
.toc__item:hover { color: var(--c-blue); }
.toc__item:hover .toc__number { background: var(--c-blue); color: white; }

/* ==========================================================================
   Article Content
   ========================================================================== */
.article-content {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    padding: clamp(var(--space-lg), 5vw, var(--space-2xl));
    box-shadow: var(--shadow-sm);
}
.article-content > *:first-child { margin-top: 0; }
.article-content p {
    margin-bottom: var(--space-lg);
    line-height: 1.9;
}
.article-content strong {
    font-weight: 600;
    color: var(--c-primary);
}
.article-content a {
    color: var(--c-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover { text-decoration: none; }
.article-content h2 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-primary);
    margin: var(--space-2xl) 0 var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--c-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: -0.01em;
}
.article-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--c-primary);
    margin: var(--space-xl) 0 var(--space-md);
    padding-left: var(--space-md);
    border-left: 3px solid var(--c-accent);
}
.article-content ul,
.article-content ol {
    margin: var(--space-lg) 0;
    padding-left: 0;
}
.article-content ul li,
.article-content ol li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    list-style: none;
}
.article-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 6px;
    height: 6px;
    background: var(--c-blue);
    border-radius: 50%;
}
.article-content ol { counter-reset: ol-counter; }
.article-content ol li { counter-increment: ol-counter; }
.article-content ol li::before {
    content: counter(ol-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    background: var(--c-blue-light);
    color: var(--c-blue);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Article Body (legacy fallback) */
.article-body {
    max-width: var(--content-max);
    margin: 0 auto;
}
.article-body h2 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-primary);
    margin: var(--space-2xl) 0 var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 3px solid var(--c-blue);
}
.article-body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-primary);
    margin: var(--space-xl) 0 var(--space-md);
    padding-left: var(--space-md);
    border-left: 4px solid var(--c-blue);
}
.article-body p {
    margin-bottom: var(--space-lg);
    line-height: 2;
}
.article-body ul,
.article-body ol {
    margin-bottom: var(--space-lg);
    padding-left: var(--space-lg);
}
.article-body li {
    margin-bottom: var(--space-sm);
    list-style: disc;
}
.article-body ol li { list-style: decimal; }

/* ==========================================================================
   Content Boxes
   ========================================================================== */
.box {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid;
}
.box--point { background: var(--c-blue-light); border-color: #BFDBFE; }
.box--warning { background: var(--c-red-light); border-color: #FECACA; }
.box--success { background: var(--c-green-light); border-color: #A7F3D0; }
.box--note { background: var(--c-yellow-light); border-color: #FDE68A; }
.box__title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}
.box--point .box__title { color: #1D4ED8; }
.box--warning .box__title { color: #DC2626; }
.box--success .box__title { color: #059669; }
.box--note .box__title { color: #D97706; }
.box p:last-child,
.box ul:last-child { margin-bottom: 0; }
.box ul li::before { background: currentColor; opacity: 0.5; }

/* ==========================================================================
   CTA Inline (within article)
   ========================================================================== */
.cta-inline {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--c-blue-light) 0%, #DBEAFE 100%);
    border: 2px solid #93C5FD;
    border-radius: var(--radius-lg);
    text-align: center;
}
.cta-inline__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-xs);
}
.cta-inline__text {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-lg);
}
.cta-inline__buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}
.cta-inline__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
}
.cta-inline__btn--primary { background: var(--c-accent); color: white; }
.cta-inline__btn--primary:hover { background: var(--c-accent-hover); transform: translateY(-2px); }
.cta-inline__btn--line { background: var(--c-line); color: white; }
.cta-inline__btn--line:hover { background: #05B94D; transform: translateY(-2px); }

/* ==========================================================================
   CTA Bottom (article end)
   ========================================================================== */
.cta-bottom {
    margin: var(--space-2xl) 0;
    padding: var(--space-xl);
    background: linear-gradient(135deg, #1E3A8A 0%, #3B82F6 100%);
    border-radius: var(--radius-lg);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-bottom::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}
.cta-bottom__title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}
.cta-bottom__text {
    font-size: 0.9375rem;
    opacity: 0.9;
    margin-bottom: var(--space-lg);
}
.cta-bottom__steps {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}
.cta-bottom__step {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: rgba(255,255,255,0.15);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
}
.cta-bottom__step-num {
    width: 20px;
    height: 20px;
    background: white;
    color: var(--c-blue);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cta-bottom__samples {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}
.cta-bottom__sample { text-align: center; }
.cta-bottom__sample-thumb {
    width: 64px;
    height: 64px;
    background: rgba(255,255,255,0.1);
    border: 2px dashed rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xs);
}
.cta-bottom__sample-label {
    font-size: 0.6875rem;
    opacity: 0.8;
}
.cta-bottom__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--c-line);
    color: white;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
}
.cta-bottom__btn:hover { background: #05B94D; transform: translateY(-2px); }
.cta-bottom__buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.cta-bottom__btn--line { background: var(--c-line); color: white; }
.cta-bottom__btn--tel { background: var(--c-accent); color: white; }

/* ==========================================================================
   Author Box
   ========================================================================== */
.author-box {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    margin: var(--space-xl) 0;
}
@media (max-width: 600px) {
    .author-box {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}
.author-box__avatar {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #E2E8F0 0%, #CBD5E1 100%);
}
.author-box__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.author-box__info { flex: 1; }
.author-box__label {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
    margin-bottom: var(--space-xs);
}
.author-box__name {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 0.125rem;
}
.author-box__title {
    font-size: 0.8125rem;
    color: var(--c-blue);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}
.author-box__bio {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Related Section
   ========================================================================== */
.related-section { margin: var(--space-2xl) 0; }
.related-section__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-md);
}
.related-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: block;
}
.related-card:hover {
    border-color: var(--c-blue);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.related-card__thumb {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #E2E8F0 0%, #CBD5E1 100%);
    overflow: hidden;
}
.related-card__thumb--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}
.related-card__thumb--placeholder::before {
    content: 'PHOTO';
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--c-text-tertiary);
    letter-spacing: 0.1em;
}
.related-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.related-card__body { padding: var(--space-md); }
.related-card__category {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--c-blue);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.05em;
}
.related-card__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.5;
}

/* ==========================================================================
   Post Navigation
   ========================================================================== */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
}
@media (max-width: 600px) {
    .post-nav { grid-template-columns: 1fr; }
}
.post-nav__item {
    padding: var(--space-md) var(--space-lg);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: block;
}
.post-nav__item:hover {
    border-color: var(--c-blue);
    background: var(--c-blue-light);
}
.post-nav__label {
    font-size: 0.75rem;
    color: var(--c-text-tertiary);
    margin-bottom: var(--space-xs);
}
.post-nav__title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.4;
}
.post-nav__item:hover .post-nav__title { color: var(--c-blue); }
.post-nav__item--next { text-align: right; }

/* ==========================================================================
   CTA Full Width (article page bottom)
   ========================================================================== */
.cta-full {
    background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
    padding: var(--space-3xl) 0;
    color: white;
    text-align: center;
}
.cta-full__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.cta-full__text {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: var(--space-xl);
}
.cta-full__buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}
.cta-full__btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    color: white;
}
.cta-full__btn:hover { transform: translateY(-2px); }
.cta-full__btn--line { background: var(--c-line); }
.cta-full__btn--tel { background: var(--c-accent); }
.cta-full__btn--web { background: white; color: var(--c-primary); }
.cta-full__phone {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}
.cta-full__phone-sub {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.sidebar-sticky {
    position: sticky;
    top: 84px;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}
.admin-bar .sidebar-sticky { top: 116px; }
@media (max-width: 782px) {
    .admin-bar .sidebar-sticky { top: 130px; }
}
.sidebar-box {
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}
.sidebar-box__title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--c-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Sidebar CTA */
.sidebar-cta { text-align: center; }
.sidebar-cta__text {
    font-size: 0.875rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.5;
}
.sidebar-cta__btn {
    display: block;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    transition: var(--transition);
}
.sidebar-cta__btn:last-child { margin-bottom: 0; }
.sidebar-cta__btn--tel { background: var(--c-accent); color: white; }
.sidebar-cta__btn--tel:hover { background: var(--c-accent-hover); }
.sidebar-cta__btn--line { background: var(--c-line); color: white; }
.sidebar-cta__btn--line:hover { background: #05B94D; }

/* Sidebar Popular */
.sidebar-popular__item {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--c-border-light);
}
.sidebar-popular__item:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-popular__item:first-child { padding-top: 0; }
.sidebar-popular__rank {
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--c-accent);
    margin-bottom: 0.125rem;
}
.sidebar-popular__title {
    font-size: 0.875rem;
    color: var(--c-text);
    line-height: 1.4;
    transition: var(--transition);
}
.sidebar-popular__title:hover { color: var(--c-blue); }

/* Sidebar Categories */
.sidebar-categories li { margin-bottom: var(--space-sm); }
.sidebar-categories li:last-child { margin-bottom: 0; }
.sidebar-categories a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9375rem;
    color: var(--c-text);
    padding: var(--space-xs) 0;
}
.sidebar-categories a:hover { color: var(--c-blue); }
.sidebar-categories__count {
    font-size: 0.8125rem;
    color: var(--c-text-tertiary);
}

/* ==========================================================================
   Step Box (Howto Article) - v5
   ========================================================================== */
.steps { margin: var(--space-xl) 0; }
.step {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    position: relative;
    transition: var(--transition);
}
.step:hover {
    border-color: var(--c-blue);
    box-shadow: var(--shadow-md);
}
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 32px;
    width: 2px;
    height: 12px;
    background: var(--c-border);
}
.step__number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--c-blue) 0%, #2563EB 100%);
    color: white;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.step__content { flex: 1; }
.step__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-primary);
    margin-bottom: var(--space-xs);
}
.step__desc {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    line-height: 1.7;
}

/* Step Box (legacy) */
.step-box {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    position: relative;
}
.step-box__number {
    position: absolute;
    top: -12px;
    left: var(--space-lg);
    background: var(--c-blue);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
}
.step-box__title {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-sm);
}
.step-box__content {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
    line-height: 1.8;
}

/* ==========================================================================
   Price Table
   ========================================================================== */
.price-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.price-table th,
.price-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--c-border);
    font-size: 0.9375rem;
}
.price-table th {
    background: var(--c-primary);
    color: white;
    font-weight: 600;
}
.price-table tr:last-child td { border-bottom: none; }
.price-table tr:hover td { background: var(--c-blue-light); }
.price-table__price {
    font-weight: 700;
    color: var(--c-red);
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    background: var(--c-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
.comparison-table th,
.comparison-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: center;
    border-bottom: 1px solid var(--c-border);
    font-size: 0.875rem;
}
.comparison-table th {
    background: var(--c-bg);
    font-weight: 600;
    color: var(--c-primary);
}
.comparison-table th:first-child { text-align: left; }
.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
}

/* ==========================================================================
   Info Box
   ========================================================================== */
.info-box {
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}
.info-box--warning {
    background: var(--c-yellow-light);
    border: 1px solid var(--c-yellow);
}
.info-box--info {
    background: var(--c-blue-light);
    border: 1px solid var(--c-blue);
}
.info-box--danger {
    background: var(--c-red-light);
    border: 1px solid var(--c-red);
}
.info-box--success {
    background: var(--c-green-light);
    border: 1px solid var(--c-green);
}
.info-box__title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}
.info-box__content {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--c-text-secondary);
}

/* ==========================================================================
   Archive Page
   ========================================================================== */
.archive-header {
    padding: var(--space-2xl) 0;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
}
.archive-header__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-sm);
}
.archive-header__desc {
    font-size: 0.9375rem;
    color: var(--c-text-secondary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
}
.pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    transition: var(--transition);
}
.pagination .page-numbers:hover {
    border-color: var(--c-blue);
    color: var(--c-blue);
}
.pagination .page-numbers.current {
    background: var(--c-blue);
    border-color: var(--c-blue);
    color: white;
}

/* ==========================================================================
   Archive Filter
   ========================================================================== */
.archive-filter {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-md) 0;
}
.archive-filter__inner {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    align-items: center;
}
.archive-filter__inner--sub {
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--c-border-light);
}
.archive-filter__btn {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--c-text-secondary);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    transition: var(--transition);
}
.archive-filter__btn:hover {
    border-color: var(--c-blue);
    color: var(--c-blue);
    background: var(--c-blue-light);
}
.archive-filter__btn--active {
    background: var(--c-blue);
    border-color: var(--c-blue);
    color: white;
}
.archive-filter__btn--active:hover {
    background: var(--c-blue-dark);
    border-color: var(--c-blue-dark);
    color: white;
}
.archive-filter__btn--outline {
    background: transparent;
    border: 1px solid var(--c-border);
}

/* Archive Empty */
.archive-empty {
    text-align: center;
    padding: var(--space-3xl) 0;
}
.archive-empty__text {
    font-size: 1.125rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-xl);
}

/* Area Button Active State */
.area-btn--current {
    border-color: var(--c-blue);
    background: var(--c-blue-light);
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.error-page {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}
.error-page__code {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 800;
    color: var(--c-border);
    line-height: 1;
    margin-bottom: var(--space-md);
}
.error-page__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-sm);
}
.error-page__text {
    font-size: 1rem;
    color: var(--c-text-secondary);
    margin-bottom: var(--space-xl);
}
.error-page__actions { margin-bottom: var(--space-2xl); }
.error-page__links {
    text-align: left;
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}
.error-page__links-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-primary);
    margin-bottom: var(--space-md);
}
.error-page__links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.error-page__links a {
    color: var(--c-blue);
    font-size: 0.9375rem;
}
.error-page__links a:hover { text-decoration: underline; }

/* ==========================================================================
   FAQ Single Page
   ========================================================================== */
.faq-single { margin-bottom: var(--space-2xl); }
.faq-single__question {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding: var(--space-xl);
    background: var(--c-blue-light);
    border-radius: var(--radius-lg);
}
.faq-single__title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-primary);
    line-height: 1.4;
}
.faq-single__answer {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}
.faq-single__a {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--c-accent);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.faq-single__content { flex: 1; }

/* ==========================================================================
   WordPress Core Overrides
   ========================================================================== */
.wp-block-image { margin: var(--space-lg) 0; }
.wp-block-image img { border-radius: var(--radius-md); }
.aligncenter { text-align: center; }
.alignleft { float: left; margin-right: var(--space-lg); }
.alignright { float: right; margin-left: var(--space-lg); }
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ── Related Inline Box ── */
.related-inline {
    margin: var(--space-xl) 0;
    padding: var(--space-lg);
    background: var(--c-blue-light);
    border-left: 4px solid var(--c-primary);
    border-radius: var(--radius-md);
}
.related-inline__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: var(--space-sm);
}
.related-inline__list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.related-inline__list li {
    padding: var(--space-xs) 0;
    border-bottom: 1px solid rgba(0,0,0,0.06);
}
.related-inline__list li:last-child {
    border-bottom: none;
}
.related-inline__list a {
    color: var(--c-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}
.related-inline__list a:hover {
    color: var(--c-primary-dark);
    text-decoration: underline;
}
.related-inline__list a::before {
    content: "\00BB\00A0";
    color: var(--c-accent);
}