/* ==========================================
   SP商店 コーポレートサイト v3 — Blue
   ========================================== */

:root {
    --color-primary: #0c1929;
    --color-primary-mid: #132d4f;
    --color-primary-light: #1e4876;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-deep: #2563eb;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-bg: #fff;
    --color-bg-alt: #f1f5f9;
    --color-border: #e2e8f0;
    --font-sans: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
    --font-serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    --max-width: 1100px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.07);
    --shadow-lg: 0 12px 40px rgba(12,25,41,0.1);
    --radius: 14px;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1.8;
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 28px;
}

/* ==========================================
   Fade-up Animation
   ========================================== */
.fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ==========================================
   Header
   ========================================== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: transparent;
    transition: background 0.3s, box-shadow 0.3s;
}
.header.scrolled {
    background: rgba(12, 25, 41, 0.96);
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.12);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
}
.logo-accent { color: var(--color-accent); }

.nav ul {
    display: flex;
    list-style: none;
    gap: 36px;
    align-items: center;
}
.nav a {
    color: rgba(255,255,255,0.75);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: color 0.2s;
    position: relative;
}
.nav a::after {
    content: "";
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--color-accent);
    transition: width 0.3s;
}
.nav a:hover { color: #fff; }
.nav a:hover::after { width: 100%; }

.nav-cta {
    background: var(--color-accent) !important;
    color: #fff !important;
    padding: 8px 24px;
    border-radius: 6px;
    transition: background 0.2s, transform 0.2s !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--color-accent-hover) !important;
    transform: translateY(-1px);
}

/* ハンバーガー */
.menu-toggle {
    display: none;
    background: none; border: none; cursor: pointer;
    width: 28px; height: 20px; position: relative;
}
.menu-toggle span {
    display: block; width: 100%; height: 2px;
    background: #fff; position: absolute; left: 0;
    transition: all 0.3s;
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 9px; }
.menu-toggle span:nth-child(3) { top: 18px; }
.menu-toggle.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ==========================================
   Hero
   ========================================== */
.hero {
    position: relative;
    background: var(--color-primary);
    color: #fff;
    padding: 0;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(170deg, rgba(12,25,41,0.88) 0%, rgba(19,45,79,0.82) 50%, rgba(30,72,118,0.85) 100%),
        url('images/hero-bg.jpg') center/cover no-repeat;
}

/* 光のオーブ */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}
.hero-orb-1 {
    width: 400px; height: 400px;
    background: rgba(59,130,246,0.25);
    top: -5%; right: 10%;
    animation: orb-float 15s ease-in-out infinite;
}
.hero-orb-2 {
    width: 300px; height: 300px;
    background: rgba(37,99,235,0.2);
    bottom: -10%; left: 5%;
    animation: orb-float 18s ease-in-out infinite reverse;
}
.hero-orb-3 {
    width: 200px; height: 200px;
    background: rgba(96,165,250,0.15);
    top: 40%; left: 35%;
    animation: orb-float 12s ease-in-out infinite 3s;
}
.hero-orb-4 {
    width: 250px; height: 250px;
    background: rgba(30,64,175,0.2);
    top: 10%; left: -5%;
    animation: orb-float 20s ease-in-out infinite 5s;
}

@keyframes orb-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 15px) scale(0.95); }
}

.hero-network {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 140px 28px 100px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-text {
    max-width: 520px;
}

.hero-sub {
    font-size: 0.88rem;
    letter-spacing: 0.25em;
    color: var(--color-accent);
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: 24px;
    letter-spacing: 0.04em;
}

.hero-desc {
    font-size: 0.95rem;
    line-height: 2;
    color: rgba(255,255,255,0.65);
    margin-bottom: 40px;
}

.btn {
    display: inline-block;
    padding: 16px 48px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    border-radius: 8px;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(59,130,246,0.35);
}

/* ヒーローイラスト */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-illustration {
    position: relative;
    width: 100%;
    max-width: 440px;
}

.hero-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 32px;
}

.hero-card-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hero-card-row:last-child {
    border-bottom: none;
}

.hero-card-icon {
    width: 44px; height: 44px;
    background: rgba(59,130,246,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.hero-card-icon svg {
    width: 22px; height: 22px;
    color: var(--color-accent);
}

.hero-card-label {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    margin-bottom: 2px;
}
.hero-card-value {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    font-weight: 500;
}

/* フローティングバッジ */
.hero-badge {
    position: absolute;
    background: rgba(59,130,246,0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(59,130,246,0.2);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    white-space: nowrap;
    animation: badge-float 6s ease-in-out infinite;
}
.hero-badge-1 { top: -12px; right: -20px; animation-delay: 0s; }
.hero-badge-2 { bottom: 20px; left: -30px; animation-delay: 2s; }

@keyframes badge-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ==========================================
   Stats
   ========================================== */
.stats {
    background: var(--color-bg);
    padding: 80px 0;
    border-bottom: 1px solid var(--color-border);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 860px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 36px 16px;
    background: var(--color-bg-alt);
    border-radius: var(--radius);
    transition: transform 0.3s, box-shadow 0.3s;
}
.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.82rem;
    color: var(--color-text-light);
    letter-spacing: 0.04em;
}

/* ==========================================
   Sections
   ========================================== */
.section { padding: 110px 0; }
.section-alt { background: var(--color-bg-alt); }

.section-dark {
    background: var(--color-primary);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.section-dark::before {
    content: "";
    position: absolute;
    top: 0; right: 0;
    width: 400px; height: 400px;
    border: 1px solid rgba(59,130,246,0.06);
    border-radius: 50%;
    transform: translate(30%, -30%);
}
.section-dark .section-title { color: #fff; }
.section-dark .section-title::after { background: var(--color-accent); }
.section-dark .section-lead { color: rgba(255,255,255,0.55); }

.section-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    margin-bottom: 16px;
    letter-spacing: 0.06em;
}
.section-title::after {
    content: "";
    display: block;
    width: 48px; height: 3px;
    background: var(--color-accent);
    margin: 20px auto 0;
    border-radius: 2px;
}

.section-lead {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 64px;
}

/* ==========================================
   Cards（事業内容）
   ========================================== */
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.card {
    position: relative;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 48px 28px 40px;
    text-align: center;
    transition: box-shadow 0.4s, transform 0.4s;
    overflow: hidden;
}
.card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-deep));
    transform: scaleX(0);
    transition: transform 0.4s;
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}
.card:hover::before { transform: scaleX(1); }

.card-number {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    font-weight: 700;
    color: rgba(59,130,246,0.08);
    line-height: 1;
    margin-bottom: 8px;
}

.card-icon {
    width: 52px; height: 52px;
    margin: 0 auto 20px;
    background: rgba(59,130,246,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}
.card-icon svg { width: 26px; height: 26px; }

.card h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-bottom: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.card p {
    font-size: 0.88rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

/* ==========================================
   取扱カテゴリ
   ========================================== */
.categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.category-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 44px 28px 36px;
    text-align: center;
    transition: box-shadow 0.4s, transform 0.4s;
}
.category-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.category-icon {
    width: 52px; height: 52px;
    margin: 0 auto 20px;
    background: rgba(59,130,246,0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}
.category-icon svg { width: 26px; height: 26px; }

.category-item h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 12px;
}
.category-item p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ==========================================
   取引の流れ
   ========================================== */
.flow {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.flow-step {
    text-align: center;
    flex: 0 0 120px;
    padding: 0 4px;
}

.flow-number {
    width: 44px; height: 44px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    margin: 0 auto 14px;
}

.flow-step h3 {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 6px;
    white-space: nowrap;
}
.flow-step p {
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

.flow-arrow {
    display: flex;
    align-items: center;
    padding-top: 10px;
    flex: 0 0 32px;
    color: var(--color-border);
}
.flow-arrow svg { width: 20px; height: 20px; }

/* ==========================================
   販路（チャネル）
   ========================================== */
.channels {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 48px;
    max-width: 800px;
    margin: 0 auto;
    padding: 48px 32px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
}

.channel-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    flex: 1;
}

.channel-logo {
    width: 56px;
    height: 56px;
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s, transform 0.3s;
}

.channel-item:hover .channel-logo {
    color: var(--color-accent);
    transform: scale(1.1);
}

.channel-logo svg {
    width: 100%;
    height: 100%;
}

.channel-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.02em;
}

.channel-divider {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.1);
    flex-shrink: 0;
}

/* ==========================================
   Coming Soon
   ========================================== */
.coming-soon {
    text-align: center;
    padding: 72px 24px;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    background: #fff;
}
.coming-soon p {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-primary-light);
    letter-spacing: 0.12em;
    margin-bottom: 12px;
}
.coming-soon span {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

/* ==========================================
   取引事例
   ========================================== */
.cases {
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.case-item {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.3s, transform 0.3s;
}
.case-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.case-header {
    padding: 24px 32px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.case-tag {
    display: inline-block;
    background: rgba(59,130,246,0.08);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.case-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.case-body {
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.case-desc {
    flex: 1;
}
.case-desc p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.9;
}

.case-results {
    flex-shrink: 0;
    text-align: center;
    padding: 16px 24px;
    background: var(--color-bg-alt);
    border-radius: 10px;
    min-width: 140px;
}

.case-stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}
.case-stat-number small {
    font-size: 0.7rem;
    font-weight: 500;
}

.case-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

/* ==========================================
   事業者情報
   ========================================== */
.company-card {
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px 36px;
    box-shadow: var(--shadow-sm);
}

.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--color-border); }
.info-table tr:last-child { border-bottom: none; }

.info-table th, .info-table td {
    padding: 22px 16px;
    text-align: left;
    font-size: 0.95rem;
    vertical-align: top;
}
.info-table th {
    width: 140px;
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
    padding-left: 20px;
    position: relative;
}
.info-table th::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 4px; height: 16px;
    background: var(--color-accent);
    border-radius: 2px;
}

/* ==========================================
   お問い合わせフォーム
   ========================================== */
.contact-form {
    max-width: 640px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 48px 40px;
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.form-group { margin-bottom: 24px; }

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.required { color: #dc2626; font-size: 0.8rem; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 0.95rem;
    font-family: var(--font-sans);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-alt);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
    line-height: 1.6;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}
.form-group textarea { resize: vertical; }

.form-submit { text-align: center; margin-top: 32px; }

.btn-submit {
    border: none; cursor: pointer;
    font-family: var(--font-sans);
    min-width: 220px;
}
.btn-submit:disabled {
    opacity: 0.6; cursor: not-allowed; transform: none;
}

.form-note {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 16px;
}

.contact-success {
    text-align: center;
    padding: 72px 24px;
    border: 2px solid var(--color-accent);
    border-radius: var(--radius);
    background: #fff;
    max-width: 640px;
    margin: 0 auto;
}
.contact-success p {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.contact-success span {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.6);
    padding: 56px 0 0;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}
.footer-logo span { color: var(--color-accent); }

.footer-address { font-size: 0.8rem; line-height: 1.6; }

.footer-nav { display: flex; gap: 28px; }
.footer-nav a {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
    transition: color 0.2s;
}
.footer-nav a:hover { color: var(--color-accent); }

.footer-bottom { padding: 20px 0; text-align: center; }
.footer-copy {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.25);
}

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 768px) {
    .menu-toggle { display: block; }

    .nav {
        position: fixed;
        top: 76px; left: 0; right: 0;
        background: rgba(12,25,41,0.98);
        backdrop-filter: blur(12px);
        padding: 0; max-height: 0; overflow: hidden;
        transition: max-height 0.3s, padding 0.3s;
    }
    .nav.open { max-height: 320px; padding: 16px 0; }
    .nav ul { flex-direction: column; align-items: center; gap: 0; }
    .nav li { width: 100%; text-align: center; }
    .nav a { display: block; padding: 14px 0; font-size: 1rem; }
    .nav a::after { display: none; }
    .nav-cta { margin: 8px auto; width: fit-content; }

    .hero { min-height: auto; }

    .hero-content {
        grid-template-columns: 1fr;
        padding: 130px 20px 60px;
        gap: 40px;
    }
    .hero-text { max-width: 100%; }
    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 0.9rem; }
    .hero-visual { display: none; }

    .stats { padding: 56px 0; }
    .stats-grid { grid-template-columns: 1fr; gap: 12px; }
    .stat-item {
        padding: 20px 16px;
        display: flex; align-items: baseline;
        gap: 8px; justify-content: center;
    }
    .stat-number { font-size: 1.4rem; }

    .section { padding: 72px 0; }
    .cards { grid-template-columns: 1fr; gap: 20px; }
    .categories { grid-template-columns: 1fr; gap: 20px; }
    .case-body { flex-direction: column; gap: 20px; }
    .case-header { padding: 20px 24px; }
    .case-body { padding: 20px 24px; }
    .case-results { width: 100%; }
    .flow { flex-direction: column; align-items: center; gap: 0; }
    .flow-step { flex: none; width: 200px; }
    .flow-arrow { transform: rotate(90deg); padding: 8px 0; }
    .channels { flex-direction: column; gap: 24px; padding: 32px 20px; }
    .channel-divider { width: 60px; height: 1px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
    .contact-form { padding: 32px 20px; }
    .company-card { padding: 8px 16px; }
    .info-table th { width: 100px; font-size: 0.85rem; }
    .footer-inner { flex-direction: column; gap: 24px; }
    .footer-nav { flex-wrap: wrap; gap: 16px; }
}