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

:root {
    --text-color: #1E293B;
    /* Slate 800 */
    --text-light: #64748B;
    /* Slate 500 */
    --bg-color: #fff;
    --primary-color: #0F2044;
    /* Deep Navy */
    --primary-mid: #163366;
    /* Mid Navy */
    --accent-color: #2563EB;
    /* Intelligent Blue */
    --secondary-color: #F59E0B;
    /* Amber Gold - CTA */
    --gray-bg: #F1F5F9;
    /* Slate 100 */
    --border-color: #E2E8F0;
    /* Slate 200 */
    --surface-color: #F8FAFC;
    /* Slate 50 */
    --font-main: 'Noto Sans JP', sans-serif;
    --shadow-soft: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 4px 6px rgba(0, 0, 0, 0.07), 0 12px 24px rgba(0, 0, 0, 0.08);
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--bg-color);
    letter-spacing: 0.04em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 80px;
    position: relative;
    letter-spacing: -0.01em;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    margin: 16px auto 0;
    border-radius: 0;
    /* シャープなラインでよりコーポレートらしく */
}

/* ==============================
   Header
============================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--primary-color);
    /* ダークネイビー背景 */
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 0.3s;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 900;
    color: #fff;
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-sub {
    font-size: 0.6rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 3px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.88rem;
    position: relative;
    padding: 5px 0;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.04em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: #fff;
}

/* ヘッダー内CTAボタン：コンパクトに */
.nav-btn.btn {
    padding: 9px 22px;
    font-size: 0.85rem;
    border-radius: 5px;
    background: var(--secondary-color);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
    margin-left: 8px;
}

.nav-btn.btn:hover {
    background: #D97706;
    transform: translateY(-1px);
}

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

.header-logo-right {
    margin-left: 20px;
    display: flex;
    align-items: center;
}

.konishi-logo {
    height: 36px;
    width: auto;
    /* ロゴを白抜きに見せるフィルター */
    filter: brightness(0) invert(1);
    opacity: 0.85;
}

.hamburger {
    display: none;
    border: none;
    background: transparent;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 1001;
}

.hamburger-line {
    display: block;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    /* 白いハンバーガーライン */
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
    border-radius: 1px;
}

.hamburger-line:nth-child(1) { top: 0; }
.hamburger-line:nth-child(2) { top: 11px; }
.hamburger-line:nth-child(3) { bottom: 0; }

.hamburger.is-active .hamburger-line:nth-child(1) { top: 11px; transform: rotate(45deg); }
.hamburger.is-active .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.is-active .hamburger-line:nth-child(3) { bottom: 11px; transform: rotate(-45deg); }

/* ==============================
   Buttons
============================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 28px;
    border-radius: 6px;
    /* 角丸矩形 - よりコーポレートらしく */
    font-weight: 700;
    cursor: pointer;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: var(--accent-color);
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background: #1D4ED8;
    /* Blue 700 */
}

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
    border: none;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-secondary:hover {
    background: #D97706;
}

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border: 1.5px solid var(--accent-color);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--accent-color);
    color: #fff;
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    box-shadow: none;
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
}

.btn-lg {
    padding: 16px 44px;
    font-size: 1.05rem;
}

/* ==============================
   First View
============================== */
.fv {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    padding-left: 500px;
    align-items: center;
    padding-top: 68px;
    overflow: hidden;
    z-index: 10;
}

.fv-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/AdobeStock_222790502.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
    /* ダークなオーバーレイ追加でより落ち着いた印象に */
    filter: blur(2px) brightness(0.6);
    transform: scale(1.1);
}

/* ネイビーオーバーレイ */
.fv::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 32, 68, 0.75) 0%,
        rgba(22, 51, 102, 0.55) 60%,
        rgba(15, 32, 68, 0.35) 100%
    );
    z-index: 0;
}

.fv-content {
    text-align: center;
    max-width: 960px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.fv-sub {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
    font-weight: 600;
    display: inline-block;
    padding: 7px 20px;
    background: rgba(37, 99, 235, 0.5);
    border-radius: 4px;
    letter-spacing: 0.08em;
    border: 1px solid rgba(37, 99, 235, 0.6);
}

.fv-title {
    font-size: 3.6rem;
    line-height: 1.35;
    margin-bottom: 32px;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.fv-text {
    font-size: 1.3rem;
    margin-bottom: 56px;
    color: rgba(255, 255, 255, 0.88);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.highlight {
    background: linear-gradient(transparent 55%, rgba(37, 99, 235, 0.55) 55%);
    color: #fff;
    padding: 0 4px;
}

.fv-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* ==============================
   Problem
============================== */
.problem {
    background: var(--gray-bg);
    position: relative;
    z-index: 5;
    padding-bottom: 140px;
}

.problem-list {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.problem-item {
    background: #fff;
    padding: 44px 28px;
    width: 320px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}

.problem-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #C7D7F8;
}

.problem-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    font-weight: 900;
    background: #FEF9EC;
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    margin: 0 auto 28px;
}

.problem-desc {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-color);
    line-height: 1.7;
}

/* ==============================
   Solution
============================== */
.solution {
    position: relative;
    z-index: 4;
    padding-bottom: 140px;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 80px;
    margin-bottom: 100px;
}

.solution-item:last-child {
    margin-bottom: 0;
}

.solution-item.reverse {
    flex-direction: row-reverse;
}

.solution-text {
    flex: 1;
}

.solution-img {
    flex: 1;
    height: 380px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #aaa;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--gray-bg);
}

.solution-img::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+CjxwYXRoIGQ9Ik0wIDBoNDB2NDBIMHoiIGZpbGw9Im5vbmUiLz4KPGNpcmNsZSBjeD0iMjAiIGN5PSIyMCIgcj0iMSIgZmlsbD0iI2NjYyIvPgo8L3N2Zz4=');
    opacity: 0.4;
}

.solution-label {
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent-color);
    padding: 5px 14px;
    font-weight: 700;
    border-radius: 4px;
    margin-bottom: 18px;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.solution-head {
    font-size: 1.9rem;
    margin-bottom: 20px;
    line-height: 1.4;
    color: var(--primary-color);
    letter-spacing: -0.02em;
    font-weight: 700;
}

.solution-desc {
    margin-bottom: 28px;
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.9;
}

.solution-points {
    list-style: none;
    background: var(--surface-color);
    padding: 24px 28px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.solution-points li {
    position: relative;
    padding-left: 26px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.7;
}

.solution-points li:last-child {
    margin-bottom: 0;
}

.solution-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 2px;
    color: var(--accent-color);
    font-weight: 900;
    font-size: 1rem;
}

/* ==============================
   Column
============================== */
.column {
    background: #fff;
    position: relative;
    z-index: 4;
    padding-bottom: 200px;
}

.column-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 56px;
}

.column-card {
    display: block;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
    height: 100%;
}

.column-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: #C7D7F8;
}

.column-thumb {
    height: 180px;
    background: var(--gray-bg);
    background-image: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2NCIgaGVpZ2h0PSI2NCIgdmlld0JveD0iMCAwIDI0IDI0IiBmaWxsPSJub25lIiBzdHJva2U9IiNhYWEiIHN0cm9rZS13aWR0aD0iMSIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNMTQgMnY0aTRcIi8+PHBhdGggZD0iTTggNHY4XCIvPjxwYXRoIGQ9Ik0xNiAyMnYtNFwiLz48cGF0aCBkPSJNMTIgMTh2NFwiLz48cGF0aCBkPSJNOCAxNHY4XCIvPjxwYXRoIGQ9Ik00IDE4djRcIi8+PHBhdGggZD0iTTQgOHYxMGgxMmwtNC00SDhWMlIxNGw0IDR2Mkg0WiIvPjwvc3ZnPg==');
    background-repeat: no-repeat;
    background-position: center;
    background-size: 40px;
    position: relative;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
}

.column-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.column-date {
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-light);
    font-size: 0.78rem;
    padding: 3px 10px;
    margin: 12px;
    border-radius: 3px;
    font-weight: 600;
    position: relative;
    z-index: 1;
    letter-spacing: 0.04em;
}

.column-body {
    padding: 22px 24px;
}

.column-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-card:hover .column-title {
    color: var(--accent-color);
}

.column-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-footer {
    text-align: center;
}

.column-btn {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.column-btn:hover {
    background: var(--accent-color);
    color: #fff;
}

/* ==============================
   Case Study
============================== */
.case {
    background: var(--gray-bg);
    position: relative;
    z-index: 3;
    padding-bottom: 140px;
}

.case-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.case-detail {
    background: #fff;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
}

.case-detail:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.case-header {
    background: #fff;
    padding: 36px 40px 20px;
    border-bottom: 1px solid var(--border-color);
}

.case-badge {
    background: var(--primary-color);
    color: #fff;
    font-size: 0.82rem;
    padding: 5px 12px;
    border-radius: 4px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 14px;
    letter-spacing: 0.06em;
}

.badge-blue {
    background: #1D4ED8;
}

.badge-green {
    background: #059669;
}

.badge-orange {
    background: #D97706;
}

.badge-purple {
    background: #7C3AED;
}

.case-title {
    font-size: 1.6rem;
    color: var(--text-color);
    margin-bottom: 6px;
    line-height: 1.4;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.case-subtitle {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

.case-body {
    padding: 36px 40px;
    display: flex;
    gap: 32px;
    align-items: stretch;
}

.case-before,
.case-after {
    flex: 1;
}

.case-before {
    background: #FAFAFA;
    padding: 22px;
    border-radius: 6px;
    border: 1px solid #EDEDED;
}

.case-after {
    background: #F0F6FF;
    padding: 22px;
    border-radius: 6px;
    border: 1px solid #BFDBFE;
}

.case-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 40px;
    flex-shrink: 0;
}

.case-arrow::after {
    content: '→';
    font-size: 1.4rem;
    color: var(--border-color);
    font-weight: 300;
}

.case-h4 {
    font-size: 1rem;
    margin-bottom: 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.case-before .case-h4 {
    color: var(--text-light);
}

.case-after .case-h4 {
    color: var(--accent-color);
}

.icon-cross {
    color: #EF4444;
    font-weight: 900;
}

.icon-circle {
    color: var(--accent-color);
    font-weight: 900;
}

.case-list {
    list-style: none;
    padding: 0;
}

.case-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 18px;
    font-size: 0.92rem;
    line-height: 1.65;
}

.case-before .case-list li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: #999;
}

.case-after .case-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: 900;
    font-size: 0.85rem;
    top: 3px;
}

/* Case Appeal */
.case-appeal {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-mid));
    color: #fff;
    padding: 60px 40px;
    border-radius: 10px;
    margin-top: 60px;
    text-align: center;
}

.appeal-title {
    font-size: 1.8rem;
    margin-bottom: 40px;
    line-height: 1.5;
}

.appeal-points {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.appeal-point {
    max-width: 300px;
}

.appeal-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.appeal-point p {
    font-size: 1.05rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.9);
}

/* SP用FV背景画像 */
@media (max-width: 768px) {
    .fv-bg {
        background: url('../images/AdobeStock_222790502_sp.jpg');
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
}

/* Responsive for Case */
@media (max-width: 768px) {
    .case-body {
        flex-direction: column;
        gap: 16px;
    }

    .case-arrow {
        width: 100%;
        height: 28px;
    }

    .case-arrow::after {
        content: '↓';
    }

    .appeal-points {
        flex-direction: column;
        gap: 40px;
    }
}

/* ==============================
   Strength
============================== */
.strength {
    background: linear-gradient(135deg, var(--primary-color) 0%, #163366 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

/* 装飾的な背景パターン */
.strength::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.06);
    pointer-events: none;
}

.strength-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.strength-content {
    flex: 1;
}

.strength .section-title {
    color: #fff;
    text-align: left;
}

.strength .section-title::after {
    margin: 16px 0 0;
    background: var(--accent-color);
}

.strength-item {
    margin-bottom: 36px;
    padding-left: 20px;
    border-left: 3px solid var(--accent-color);
}

.strength-item h3 {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 12px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.strength-item p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.97rem;
    line-height: 1.8;
}

/* ==============================
   Mid CTA（導入事例前のCTA帯）
============================== */
.mid-cta {
    background: linear-gradient(90deg, #EFF6FF 0%, #DBEAFE 100%);
    border-top: 1px solid #BFDBFE;
    border-bottom: 1px solid #BFDBFE;
    padding: 48px 0;
}

.mid-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.mid-cta-text {
    flex: 1;
}

.mid-cta-lead {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
    line-height: 1.4;
}

.mid-cta-sub {
    font-size: 0.95rem;
    color: #64748b;
    margin: 0;
}

.mid-cta-btn {
    flex-shrink: 0;
    white-space: nowrap;
    background: var(--secondary-color);
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.35);
}

.mid-cta-btn:hover {
    background: #D97706;
}

@media (max-width: 768px) {
    .mid-cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .mid-cta-btn {
        width: 100%;
        text-align: center;
    }
}

/* ==============================
   CTA
============================== */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #163366 100%);
    color: #fff;
    text-align: center;
    padding: 110px 0;
}

.cta-title {
    font-size: 2.4rem;
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.45;
}

.cta-sub {
    font-size: 1.15rem;
    margin-bottom: 48px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.cta-form-wrapper {
    background: #fff;
    border-radius: 12px;
    padding: 40px;
    margin-top: 8px;
}

/* CTAボタンはやや大きく目立たせる */
.cta .btn-primary {
    background: var(--secondary-color);
    /* アンバーゴールドで目立たせる */
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.cta .btn-primary:hover {
    background: #D97706;
}

/* ==============================
   Footer
============================== */
.footer {
    background: #060D1A;
    /* 最深ネイビー */
    color: rgba(255, 255, 255, 0.4);
    padding: 36px 0;
    text-align: center;
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ==============================
   Animations
============================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.anim-slide-right {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.anim-slide-left {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.anim-slide-right.visible,
.anim-slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ==============================
   Section Wave Dividers
============================== */
.section-divider {
    position: absolute;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 2;
}

.section-divider svg {
    display: block;
    width: 100%;
    height: 80px;
}

.divider-bottom {
    bottom: 0;
}

/* ==============================
   Responsive
============================== */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }

    .fv {
        padding-left: 0;
    }

    .fv-title {
        font-size: 2.2rem;
    }

    .fv-text {
        font-size: 1.05rem;
    }

    .fv-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }

    .solution-item {
        flex-direction: column;
        gap: 40px;
    }

    .solution-item.reverse {
        flex-direction: column;
    }

    .hamburger {
        display: block;
        margin-left: 20px;
    }

    .header-inner {
        padding: 10px 16px;
        height: auto;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        position: relative;
        z-index: 1002;
    }

    .header-right {
        position: relative;
        z-index: 1002;
    }

    .header-logo-right {
        margin-left: 10px;
    }

    .konishi-logo {
        height: 24px;
    }

    .nav {
        margin-top: 0;
        gap: 24px;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--primary-color);
        /* モバイルナビもネイビー */
        padding-top: 60px;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translateY(-20px);
        transition: all 0.4s ease;
        z-index: 1001;
    }

    .nav.is-active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-link {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.9);
    }

    .nav-btn {
        margin-top: 20px;
    }


    .strength-inner {
        flex-direction: column;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}