/* Premium B2B Design specific for "経営企画 実行パートナー"
   Based on the provided minimalist, high-contrast, gold-accented reference.
*/

:root {
    /* Colors */
    --c-bg: #FFFFFF;
    --c-bg-gray: #F4F4F4;
    --c-text: #1A1A1A;
    --c-text-light: #555555;
    --c-accent: #FFDE59;
    /* Premium Gold from reference */
    --c-accent-dark: #C9A800;
    --c-black: #000000;

    /* Typography */
    --font-heading: 'Inter', 'Noto Sans JP', sans-serif;
    --font-body: 'Noto Sans JP', sans-serif;

    /* Spacing */
    --section-pad: 140px 0;
    --section-pad-mobile: 80px 0;

    /* Transitions */
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--c-text);
    background-color: var(--c-bg);
    line-height: 1.8;
    font-size: 16px;
    letter-spacing: 0.05em;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.text-accent {
    color: var(--c-accent);
}

.bg-gray {
    background-color: var(--c-bg-gray);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: var(--section-pad);
}

/* Base Typography */
.section-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: var(--c-black);
    text-align: center;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    line-height: 1;
}

.section-intro {
    text-align: center;
    margin-bottom: 80px;
    font-size: 1.125rem;
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-header {
    background: var(--c-accent);
    color: var(--c-black);
    padding: 13px 28px;
    border-radius: 4px;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    font-weight: 800;
    transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.btn-header:hover {
    background: var(--c-accent-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 168, 0, 0.35);
}

.btn-submit {
    background: var(--c-black);
    color: var(--c-accent);
    padding: 20px 60px;
    border-radius: 4px;
    font-size: 1.125rem;
    letter-spacing: 0.1em;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

.btn-submit:hover {
    background: var(--c-text);
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 44px;
    width: auto;
    display: block;
    transition: filter 0.3s ease;
}

.header.scrolled .logo-img {
    filter: invert(1) brightness(0);
}

.footer-logo-img {
    height: 52px;
    width: auto;
    display: block;
    margin-bottom: 12px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-list a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    color: white;
    position: relative;
    padding-bottom: 3px;
}

/* ホバー下線アニメーション */
.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-list a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header.scrolled .nav-list a {
    color: var(--c-black);
}

.nav-list a:hover {
    color: var(--c-accent);
}

.header.scrolled .nav-list a:hover {
    color: var(--c-accent-dark);
}

.nav-list a.nav-active {
    border-bottom: 2px solid var(--c-accent);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1000;
    /* タップターゲットを44×44pxに拡大 */
    padding: 10px;
    margin: -10px;
    border-radius: 4px;
    -webkit-tap-highlight-color: transparent;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: white;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.header.scrolled .hamburger span {
    background: var(--c-black);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* グラデーションオーバーレイ：左下を濃くして文字可読性UP */
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.75) 0%,
        rgba(0, 0, 0, 0.5) 60%,
        rgba(0, 0, 0, 0.35) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.06em;
    margin-bottom: 24px;
    border-left: 4px solid var(--c-accent);
    padding: 4px 0 4px 16px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 0 4px 4px 0;
    display: inline-block;
    max-width: 700px;
    line-height: 1.6;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
    letter-spacing: -0.02em;
}

.hero-description {
    font-size: 1.25rem;
    line-height: 2;
    opacity: 0.9;
}

/* About Section */
.about {
    text-align: center;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-lead {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 40px;
    line-height: 1.4;
}

.about-text {
    font-size: 1.125rem;
    color: var(--c-text-light);
    text-align: left;
}

.concept-note {
    font-weight: 700;
    color: var(--c-black);
    margin-bottom: 30px;
    font-size: 1.05rem;
    background: #FFFADF;
    padding: 20px 24px;
    border-radius: 8px;
    border-left: 4px solid var(--c-accent);
    line-height: 1.7;
}

/* Problems / Target Section (Cards) */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.problem-card {
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    border: 1px solid #EBEBEB;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
}

.problem-num {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--c-accent);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: 20px;
}

.problem-title {
    font-size: 1.15rem;
    margin-bottom: 20px;
    line-height: 1.4;
    border-bottom: 2px solid var(--c-bg-gray);
    padding-bottom: 15px;
}

.problem-text {
    color: var(--c-text-light);
    font-size: 0.95rem;
}

/* Service Section (Alternating Image & Text) */
.service-steps {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.step-card {
    display: flex;
    align-items: center;
    gap: 60px;
}

.step-card.reverse {
    flex-direction: row-reverse;
}

.step-image {
    flex: 1;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.step-card:hover .step-image img {
    transform: scale(1.05);
}

.step-content {
    flex: 1;
}

.step-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 900;
    color: var(--c-accent);
    margin-bottom: 10px;
    letter-spacing: 0.1em;
}

.step-name {
    font-size: 2rem;
    margin-bottom: 30px;
}

.step-desc {
    color: var(--c-text-light);
    font-size: 1.1rem;
}

/* ==============================
   Reasons / Strengths Section
   ============================== */
.reasons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.reason-card {
    background: white;
    padding: 50px 40px;
    border-radius: 12px;
    border: 1px solid #EBEBEB;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.reason-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--c-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.reason-card:hover::before {
    transform: scaleX(1);
}

.reason-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFDF5;
    border-radius: 50%;
    border: 2px solid var(--c-accent);
}

.reason-title {
    font-size: 1.15rem;
    margin-bottom: 20px;
    line-height: 1.5;
    font-weight: 700;
}

.reason-text {
    color: var(--c-text-light);
    font-size: 0.95rem;
    text-align: left;
}

/* ==============================
   Results / Track Record Section
   ============================== */
.results-showcase {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.result-showcase-card {
    background: white;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    padding: 50px 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.result-showcase-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-accent-dark));
}

.result-showcase-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.showcase-badge {
    display: inline-block;
    background: var(--c-accent);
    color: var(--c-black);
    padding: 5px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.showcase-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 15px;
    line-height: 1.4;
}

.showcase-desc {
    color: var(--c-text-light);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* Track Record List */
.track-record {
    background: var(--c-bg-gray);
    border-radius: 12px;
    padding: 60px;
    border: 1px solid #EBEBEB;
}

.track-record-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.track-record-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--c-accent);
}

.track-record-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.track-cat-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid var(--c-accent);
}

.track-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.track-list li {
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
    color: var(--c-text);
    line-height: 1.6;
}

.case-badge {
    display: inline-block;
    background: var(--c-accent);
    color: var(--c-black);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 900;
    font-family: var(--font-heading);
    letter-spacing: 0.15em;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(229, 195, 58, 0.35);
}

.case-meta {
    color: var(--c-text-light);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.case-study-card {
    background: white;
    border-radius: 16px;
    border: 1px solid #E8E8E8;
    padding: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    overflow: hidden;
}

.case-study-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 222, 89, 0.4);
}

.case-header {
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    border-bottom: 1px solid #E8E8E8;
    padding: 28px 28px 20px;
    margin-bottom: 0;
}

.case-body {
    padding: 0 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex-grow: 1;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.45s ease, padding 0.45s ease;
}

.case-study-card.is-open .case-body {
    max-height: 2000px;
    padding: 20px 28px 28px;
}

.case-section-title {
    font-size: 1rem;
    color: var(--c-accent-dark);
    font-weight: 700;
    margin-bottom: 8px;
}

.case-text {
    color: var(--c-text);
    line-height: 1.7;
    font-size: 0.9rem;
}

.case-text-highlight {
    color: var(--c-text);
    line-height: 1.7;
    font-size: 0.9rem;
    font-weight: 700;
}

.case-testimonial {
    padding: 20px;
    background: #FFFDF5;
    border-left: 4px solid var(--c-accent-dark);
    border-radius: 0 4px 4px 0;
    margin: 10px 0;
}

.testimonial-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-black);
    margin-bottom: 10px;
}

.testimonial-author {
    font-size: 0.8rem;
    color: var(--c-text-light);
    text-align: right;
}

.case-before-after {
    background: var(--c-bg-gray);
    border-radius: 8px;
    padding: 20px;
    margin-top: auto;
}

.ba-title {
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--c-black);
}

.ba-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ba-row {
    border-bottom: 1px dashed #ccc;
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

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

.ba-label {
    font-weight: 700;
    color: var(--c-text-light);
}

.ba-value {
    color: var(--c-accent-dark);
    font-weight: 800;
}

.case-stats {
    border-top: 1px solid #EBEBEB;
    padding-top: 20px;
    font-size: 0.9rem;
}

.stats-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.stats-row strong {
    color: var(--c-text-light);
}

.stats-row span {
    font-weight: 700;
}

/* ==============================
   Tools Section (Icon Cards)
   ============================== */
.tools-icon-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.tool-icon-card {
    background: white;
    border-radius: 12px;
    padding: 30px 16px 24px;
    text-align: center;
    border: 1px solid #EBEBEB;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tool-icon-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.tool-icon-label {
    line-height: 1.5;
    font-size: 0.82rem;
}

.tool-icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-bg-gray);
    border-radius: 50%;
    transition: background 0.3s ease;
}

.tool-icon-card:hover .tool-icon-wrap {
    background: #FFFDF5;
}

.tool-icon-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.4;
}

.tools-note {
    text-align: center;
    color: var(--c-text-light);
    font-size: 0.95rem;
}

/* CTA Section */
.cta {
    background: var(--c-accent);
    padding: 100px 0;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

.plan-card {
    background: white;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card.featured {
    border: 2px solid var(--c-accent);
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    z-index: 10;
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-accent);
    color: var(--c-black);
    padding: 5px 20px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    border-radius: 20px;
}

.plan-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.plan-target {
    font-size: 0.85rem;
    color: var(--c-text-light);
    margin-bottom: 30px;
    min-height: 40px;
}

.plan-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
    border-top: 1px solid #EBEBEB;
    padding-top: 30px;
}

.plan-price {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 900;
    color: var(--c-accent);
    margin-bottom: 20px;
    line-height: 1;
}

.plan-price span {
    font-size: 1rem;
    color: var(--c-text);
    font-weight: 500;
    font-family: var(--font-body);
}

.plan-desc {
    color: var(--c-text-light);
    font-size: 0.95rem;
}

.cta-box {
    background: white;
    padding: 80px 60px;
    border-radius: 16px;
    text-align: center;
    box-shadow:
        0 0 0 1px rgba(255, 222, 89, 0.15),
        0 24px 80px rgba(0, 0, 0, 0.35);
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--c-black);
    margin-bottom: 20px;
}

.cta-lead {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    color: var(--c-text-light);
    margin-bottom: 50px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-row {
    margin-bottom: 20px;
}

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 18px 20px;
    border: 1px solid #EBEBEB;
    background: var(--c-bg-gray);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--c-accent-dark);
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 222, 89, 0.2);
}

/* Footer */
.footer {
    background: var(--c-black);
    color: white;
    padding: 80px 0 40px;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 60px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.footer-mission {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-nav a {
    font-family: var(--font-heading);
    color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
    letter-spacing: 0.1em;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* ==============================
   Scroll Animations
   ============================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* グリッド内カードのみ連鎖遅延（スコープを限定） */
.problems-grid .fade-in-up:nth-child(2),
.reasons-grid .fade-in-up:nth-child(2),
.case-study-grid .fade-in-up:nth-child(2),
.results-showcase .fade-in-up:nth-child(2) {
    transition-delay: 0.1s;
}

.problems-grid .fade-in-up:nth-child(3),
.reasons-grid .fade-in-up:nth-child(3),
.case-study-grid .fade-in-up:nth-child(3),
.results-showcase .fade-in-up:nth-child(3) {
    transition-delay: 0.2s;
}

/* モバイルではアニメーション遅延を短縮 */
@media (max-width: 768px) {
    .fade-in-up {
        transform: translateY(16px);
    }

    .problems-grid .fade-in-up:nth-child(2),
    .reasons-grid .fade-in-up:nth-child(2),
    .case-study-grid .fade-in-up:nth-child(2) {
        transition-delay: 0.05s;
    }

    .problems-grid .fade-in-up:nth-child(3),
    .reasons-grid .fade-in-up:nth-child(3),
    .case-study-grid .fade-in-up:nth-child(3) {
        transition-delay: 0.1s;
    }
}

/* ==============================
   Hero CTA Button
   ============================== */
.hero-cta-wrap {
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--c-accent);
    color: var(--c-black);
    padding: 20px 48px;
    border-radius: 6px;
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: pulse-glow 2.5s ease-in-out infinite;
}

.btn-hero-cta:hover {
    background: #fff9d6;
    color: var(--c-black);
    transform: translateY(-3px);
    box-shadow: 0 16px 48px rgba(255, 222, 89, 0.55);
}

.btn-hero-cta .arrow {
    transition: transform 0.3s ease;
}

.btn-hero-cta:hover .arrow {
    transform: translateX(5px);
}

.hero-cta-note {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(0, 0, 0, 0.3);
    padding: 6px 14px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 222, 89, 0.4);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(255, 222, 89, 0);
    }
}

/* ==============================
   Trust Metrics Bar
   ============================== */
.trust-bar {
    background: var(--c-black);
    padding: 64px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
}

.trust-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    align-items: center;
    gap: 0;
}

.trust-item {
    text-align: center;
    color: white;
    padding: 24px 20px;
    position: relative;
}

/* セパレーター（最後以外） */
.trust-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255, 222, 89, 0.2);
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 3.75rem;
    font-weight: 900;
    color: var(--c-accent);
    line-height: 1;
    margin-bottom: 10px;
    /* 数値カウントアップ中のちらつき防止 */
    font-variant-numeric: tabular-nums;
}

.trust-number .unit {
    font-size: 1.25rem;
    font-weight: 700;
    color: rgba(255, 222, 89, 0.75);
    margin-left: 2px;
}

.trust-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.04em;
}

/* ==============================
   Intermediate CTA Banner
   ============================== */
.mid-cta {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.mid-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 222, 89, 0.03), transparent);
    animation: shimmer 4s ease-in-out infinite;
}

@keyframes shimmer {

    0%,
    100% {
        transform: translateX(-30%);
    }

    50% {
        transform: translateX(30%);
    }
}

.mid-cta-text {
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

.mid-cta .btn-mid {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--c-accent);
    color: var(--c-black);
    padding: 16px 40px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.mid-cta .btn-mid:hover {
    background: #fff9d6;
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(255, 222, 89, 0.4);
}

/* ==============================
   FAQ Section
   ============================== */
.faq {
    background: var(--c-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: white;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--c-text);
    gap: 20px;
    user-select: none;
}

.faq-question::before {
    content: 'Q';
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--c-accent);
    color: var(--c-black);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.85rem;
}

.faq-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    position: relative;
    transition: transform 0.3s ease;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--c-text-light);
    border-radius: 2px;
}

.faq-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.faq-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.faq-item.active .faq-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
        padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
    padding: 0 30px 24px 82px;
    color: var(--c-text-light);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ==============================
   Back to Top Button
   ============================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 52px;
    height: 52px;
    background: var(--c-black);
    color: var(--c-accent);
    border: 1px solid rgba(255, 222, 89, 0.3);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.25s ease, box-shadow 0.25s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--c-accent);
    color: var(--c-black);
    border-color: var(--c-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 28px rgba(255, 222, 89, 0.4);
}

/* ==============================
   Section Decorative Dividers
   ============================== */
.section-divider {
    width: 48px;
    height: 3px;
    background: var(--c-accent);
    margin: 16px auto 0;
    border-radius: 2px;
    position: relative;
}

/* ゴールドドット装飾 */
.section-divider::after {
    content: '';
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
}

/* ==============================
   Enhanced CTA Submit Button
   ============================== */
.btn-submit {
    background: var(--c-black);
    color: var(--c-accent);
    padding: 22px 60px;
    border-radius: 6px;
    font-size: 1.125rem;
    letter-spacing: 0.06em;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    display: block;
    position: relative;
    overflow: hidden;
    transition: all 0.35s ease;
    border: 1px solid rgba(255, 222, 89, 0.2);
}

.btn-submit::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 222, 89, 0.15), transparent);
    transition: left 0.6s ease;
}

.btn-submit:hover::after {
    left: 100%;
}

.btn-submit:hover {
    background: #111;
    border-color: rgba(255, 222, 89, 0.5);
    box-shadow: 0 8px 32px rgba(255, 222, 89, 0.2);
    transform: translateY(-2px);
}

/* Trust note under form */
.form-trust-note {
    text-align: center;
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.form-trust-note span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--c-text-light);
}

.form-trust-note .check-icon {
    color: var(--c-accent-dark);
    font-weight: 900;
}

/* ==============================
   Utilities & Refactors
   ============================== */
.section-margin-top {
    margin-top: 80px;
}

.section-subtitle-accent {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--c-accent-dark);
}

/* Profile Refactor */
.profile-card {
    display: flex;
    gap: 40px;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
    flex-wrap: wrap;
}

.profile-img-wrap {
    flex-shrink: 0;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--c-accent);
    margin: 0 auto;
    box-shadow: 0 0 0 5px rgba(255, 222, 89, 0.15);
}

.profile-info {
    flex: 1;
    min-width: 300px;
}

.profile-name {
    font-size: 1.6rem;
    margin-bottom: 10px;
    font-weight: 800;
    border-bottom: 2px solid var(--c-bg-gray);
    padding-bottom: 10px;
}

.profile-role {
    font-size: 1rem;
    color: var(--c-text-light);
    font-weight: 500;
    margin-left: 15px;
}

.profile-lead {
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--c-accent-dark);
    line-height: 1.6;
}

/* Profile Career Timeline */
.profile-career {
    margin-top: 28px;
    border-top: 1px solid var(--c-bg-gray);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.career-item {
    display: flex;
    gap: 16px;
    align-items: baseline;
    font-size: 0.88rem;
}

.career-year {
    font-weight: 700;
    color: var(--c-accent-dark);
    white-space: nowrap;
    min-width: 84px;
    font-family: var(--font-heading);
}

.career-desc {
    color: var(--c-text-light);
    line-height: 1.5;
}

/* Form Labels */
.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 6px;
}

.form-required {
    display: inline-block;
    background: var(--c-accent);
    color: var(--c-black);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
    line-height: 1.6;
}

/* Pricing Refactor */
.pricing-flow {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.plan-card-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 280px;
}

.plan-step-label {
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 0.85rem;
    color: var(--c-text-light);
    margin-bottom: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    color: var(--c-text-light);
    flex-shrink: 0;
}

.plan-type-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--c-bg-gray);
    color: var(--c-text);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid #EBEBEB;
    white-space: nowrap;
    z-index: 2;
}

.plan-type-tag.gold {
    background: var(--c-accent-dark);
    color: white;
    border: none;
}

.plan-details-highlight {
    margin-top: 15px;
    font-size: 0.9rem;
    background: #FFFDF5;
    padding: 10px;
    border-radius: 4px;
    border-left: 3px solid var(--c-accent-dark);
}

/* Premium Card specific styles - 差別化デザイン */
.plan-card.premium {
    background: var(--c-black);
    color: white;
    border: 2px solid var(--c-accent);
    box-shadow:
        0 0 0 1px rgba(255, 222, 89, 0.15),
        0 20px 60px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(255, 222, 89, 0.08);
    position: relative;
}

/* ゴールドの光沢ライン（上部） */
.plan-card.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
    border-radius: 12px 12px 0 0;
}

.plan-card.premium .plan-name {
    color: var(--c-accent);
    font-size: 1.75rem;
}

.plan-card.premium .plan-target {
    color: rgba(255, 255, 255, 0.6);
}

.plan-card.premium .plan-desc {
    color: rgba(255, 255, 255, 0.7);
}

.plan-card.premium .plan-title {
    color: rgba(255, 255, 255, 0.9);
    border-top-color: rgba(255, 255, 255, 0.12);
}

.plan-card.premium .plan-price {
    color: var(--c-accent);
}

.plan-card.premium .currency {
    color: rgba(255, 255, 255, 0.7);
}

.plan-details-highlight.dark {
    background: rgba(255, 222, 89, 0.08);
    border-left: 3px solid var(--c-accent);
    color: rgba(255, 255, 255, 0.8);
}

.plan-card.premium .plan-type-tag.gold {
    background: var(--c-accent);
    color: var(--c-black);
    border: none;
    box-shadow: 0 4px 12px rgba(255, 222, 89, 0.4);
}

.pricing-cta-wrap {
    text-align: center;
    margin-top: 60px;
}

.pricing-note {
    text-align: right;
    margin-top: 30px;
    font-size: 0.95rem;
    color: var(--c-text-light);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Case Study Grid Update */
.case-study-grid.section-margin-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

/* ==============================
   Responsive Design
   ============================== */
@media (max-width: 991px) {
    .section {
        padding: var(--section-pad-mobile);
    }

    .section-title {
        font-size: 3.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: white;
        flex-direction: column;
        justify-content: center;
        padding: 60px;
        transition: right 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 25px;
        margin-bottom: 40px;
    }

    .nav-list a {
        color: var(--c-black);
        font-size: 1.5rem;
        font-weight: 700;
    }

    .btn-header {
        width: 100%;
        padding: 16px;
    }

    /* Grid Adjustments */
    .problems-grid,
    .reasons-grid,
    .case-study-grid.section-margin-top,
    .results-showcase {
        grid-template-columns: 1fr;
    }

    .pricing-flow {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .plan-card-step {
        width: 100%;
        max-width: 500px;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 0;
    }

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

    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .step-card,
    .step-card.reverse {
        flex-direction: column;
        gap: 30px;
    }

    .trust-metrics {
        gap: 40px;
    }

    .trust-number {
        font-size: 2.75rem;
    }

    .hero-cta-wrap {
        flex-direction: column;
        align-items: flex-start;
    }

    .faq-answer-inner {
        padding-left: 30px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .tools-icon-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-lead {
        font-size: 1.5rem;
    }

    .profile-card {
        padding: 30px 20px;
    }

    /* Trust Bar: 768px以下で2×2グリッドに変更 */
    .trust-metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 0;
    }

    .trust-item:not(:last-child)::after {
        display: none;
    }

    /* 2×2グリッドのセパレーター */
    .trust-item {
        border-bottom: 1px solid rgba(255, 222, 89, 0.15);
    }

    .trust-item:nth-child(odd) {
        border-right: 1px solid rgba(255, 222, 89, 0.15);
    }

    .trust-item:nth-child(3),
    .trust-item:nth-child(4) {
        border-bottom: none;
    }

    .trust-number {
        font-size: 2.75rem;
    }

    .btn-hero-cta {
        padding: 16px 32px;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }

    .mid-cta {
        padding: 40px 0;
    }

    .mid-cta-text {
        font-size: 1.05rem;
        padding: 0 20px;
    }

    .faq-question {
        padding: 20px;
        font-size: 0.95rem;
    }

    .faq-answer-inner {
        padding: 0 20px 20px 20px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
    }

    .form-trust-note {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .cta-box {
        padding: 50px 24px;
    }

    .cta-lead {
        font-size: 1.2rem;
    }
}

/* スマートフォン（375px〜）専用の追加調整 */
@media (max-width: 390px) {
    .hero-title {
        font-size: 2.1rem;
        letter-spacing: -0.01em;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .section-title {
        font-size: 2.25rem;
    }

    .trust-number {
        font-size: 2.5rem;
    }

    .trust-number .unit {
        font-size: 1rem;
    }

    .container {
        padding: 0 20px;
    }

    .btn-hero-cta {
        font-size: 0.95rem;
        padding: 15px 24px;
    }

    .plan-name {
        font-size: 1.35rem;
    }

    .plan-price {
        font-size: 2.5rem;
    }
}

/* Trust Note */
.trust-note {
    display: block;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    font-weight: 400;
    margin-top: 4px;
    letter-spacing: 0.03em;
}

/* ==============================
   Case Publish Toggle
   ============================== */
.case-publish-wrap {
    margin-top: 4px;
    margin-bottom: 4px;
}

.case-publish-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 700 !important;
    color: var(--c-text) !important;
    font-size: 0.9rem !important;
    letter-spacing: 0.03em !important;
}

.case-publish-label input[type="checkbox"] {
    display: none;
}

.case-publish-toggle {
    width: 44px;
    height: 24px;
    background: #ccc;
    border-radius: 12px;
    position: relative;
    transition: background 0.25s ease;
    flex-shrink: 0;
}

.case-publish-toggle::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform 0.25s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.case-publish-label input:checked + .case-publish-toggle {
    background: var(--c-accent-dark);
}

.case-publish-label input:checked + .case-publish-toggle::after {
    transform: translateX(20px);
}

.case-publish-hint {
    font-size: 0.78rem;
    color: var(--c-text-light);
    margin-top: 6px;
    line-height: 1.5;
}

/* Draft badge for unpublished cards */
.case-draft-badge {
    display: inline-block;
    background: #f0f0f0;
    color: #999;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    margin-left: 8px;
    letter-spacing: 0.05em;
    vertical-align: middle;
}

/* ==============================
   Case Card Toggle Button
   ============================== */
.case-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    margin-top: 16px;
    background: var(--c-bg-gray);
    border: none;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--c-text-light);
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    font-family: var(--font-body);
    letter-spacing: 0.06em;
    flex-shrink: 0;
}

.case-toggle-btn:hover {
    background: var(--c-accent);
    color: var(--c-black);
}

.case-toggle-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
    font-size: 0.75rem;
}

.case-study-card.is-open .case-toggle-arrow {
    transform: rotate(180deg);
}

/* ==============================
   Case Add Button
   ============================== */
.case-add-wrap {
    display: none;
    justify-content: center;
    margin-top: 48px;
}

.case-add-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 48px;
    background: white;
    border: 2px dashed var(--c-accent-dark);
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--c-accent-dark);
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: var(--font-body);
    letter-spacing: 0.05em;
}

.case-add-btn:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: var(--c-black);
    transform: translateY(-2px);
}

.case-add-icon {
    font-size: 1.3rem;
    line-height: 1;
    font-weight: 400;
}

/* ==============================
   Case Add Modal
   ============================== */
.case-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.case-modal-overlay.is-open {
    display: flex;
}

.case-modal {
    background: white;
    border-radius: 16px;
    padding: 48px 44px 40px;
    max-width: 580px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15);
}

.case-modal-close {
    position: absolute;
    top: 16px;
    right: 18px;
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--c-text-light);
    padding: 6px 10px;
    border-radius: 6px;
    transition: background 0.2s ease, color 0.2s ease;
    line-height: 1;
}

.case-modal-close:hover {
    background: var(--c-bg-gray);
    color: var(--c-black);
}

.case-modal-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 900;
    margin-bottom: 28px;
    color: var(--c-black);
    letter-spacing: 0.02em;
}

.form-group-modal {
    margin-bottom: 18px;
}

.form-group-modal label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--c-text-light);
    margin-bottom: 7px;
    letter-spacing: 0.06em;
}

.form-group-modal input,
.form-group-modal textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: var(--c-text);
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
    background: var(--c-bg-gray);
    line-height: 1.6;
}

.form-group-modal input:focus,
.form-group-modal textarea:focus {
    border-color: var(--c-accent-dark);
    background: white;
}

.form-group-modal textarea {
    resize: vertical;
    min-height: 80px;
}

.case-form-submit {
    width: 100%;
    padding: 15px;
    background: var(--c-accent);
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--c-black);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    font-family: var(--font-body);
    letter-spacing: 0.06em;
    margin-top: 8px;
}

.case-form-submit:hover {
    background: var(--c-accent-dark);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .case-modal {
        padding: 36px 24px 28px;
    }
}
/* ==============================
   Inner Page Hero (case.html / column.html)
   ============================== */
.page-hero {
    background: var(--c-black);
    padding: 140px 0 80px;
    text-align: center;
    color: white;
}

.page-hero-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--c-accent);
    border: 1px solid rgba(255,222,89,0.4);
    padding: 5px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 5.5vw, 4.5rem);
    font-weight: 900;
    letter-spacing: 0.02em;
    color: white;
    margin-bottom: 16px;
    line-height: 1.2;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.page-hero-title span {
    color: var(--c-accent);
}

.page-hero-subtitle {
    font-size: 1rem;
    color: rgba(255,255,255,0.6);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 28px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--c-accent);
}

.breadcrumb-sep {
    opacity: 0.4;
}

/* Section-level "view all" link */
.section-view-all {
    text-align: center;
    margin-top: 48px;
}

.btn-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--c-black);
    border: 2px solid var(--c-black);
    padding: 14px 36px;
    border-radius: 6px;
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    transition: all 0.25s ease;
    font-family: var(--font-heading);
}

.btn-view-all:hover {
    background: var(--c-black);
    color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

/* ==============================
   Column / Articles Section
   ============================== */
.column-section {
    background: var(--c-bg-gray);
}

.column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 48px;
}

.column-card {
    background: white;
    border: 1px solid #EBEBEB;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.column-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
}

.column-img-wrap {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.column-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.column-card:hover .column-img-wrap img {
    transform: scale(1.05);
}

.column-body {
    padding: 28px 28px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.column-cat {
    display: inline-block;
    background: var(--c-accent);
    color: var(--c-black);
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 20px;
    letter-spacing: 0.05em;
    margin-bottom: 14px;
    width: fit-content;
}

.column-title {
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.55;
    color: var(--c-black);
    margin-bottom: 12px;
}

.column-excerpt {
    font-size: 0.88rem;
    color: var(--c-text-light);
    line-height: 1.8;
    flex: 1;
    margin-bottom: 20px;
}

.column-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #F0F0F0;
    padding-top: 16px;
}

.column-date {
    font-size: 0.78rem;
    color: var(--c-text-light);
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: 0.05em;
}

.column-link {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--c-accent-dark);
    letter-spacing: 0.03em;
    transition: color 0.2s ease;
}

.column-link:hover {
    color: var(--c-black);
}

/* SEO Tags (shared) */
.seo-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.seo-tags span {
    display: inline-block;
    background: white;
    color: var(--c-text-light);
    border: 1px solid #E0E0E0;
    border-radius: 20px;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    transition: background 0.2s ease, color 0.2s ease;
}

.seo-tags span:hover {
    background: var(--c-accent);
    color: var(--c-black);
    border-color: var(--c-accent);
}

@media (max-width: 991px) {
    .column-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   Mobile Sticky CTA Bar
   ============================================= */
.sticky-cta {
    display: none;
}

@media (max-width: 768px) {
    .sticky-cta {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 9999;
        padding: 10px 16px;
        background: rgba(0, 0, 0, 0.92);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        border-top: 1px solid rgba(255, 222, 89, 0.3);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .sticky-cta.visible {
        transform: translateY(0);
    }

    .sticky-cta-btn {
        display: block;
        width: 100%;
        padding: 14px 20px;
        background: var(--c-accent);
        color: var(--c-black);
        text-align: center;
        font-weight: 800;
        font-size: 0.95rem;
        letter-spacing: 0.05em;
        border-radius: 8px;
        text-decoration: none;
        transition: background 0.2s ease, transform 0.1s ease;
    }

    .sticky-cta-btn:active {
        background: var(--c-accent-dark);
        transform: scale(0.98);
    }
}

/* ===== Legal Pages (privacy.html / terms.html) ===== */
.legal-content {
    color: var(--c-text);
    line-height: 1.9;
    font-size: 1rem;
}

.legal-lead {
    font-size: 1.05rem;
    color: var(--c-text);
    margin-bottom: 48px;
    padding-bottom: 24px;
    border-bottom: 1px solid #EBEBEB;
}

.legal-h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-black);
    margin-top: 48px;
    margin-bottom: 16px;
    padding-left: 14px;
    border-left: 4px solid var(--c-accent);
    line-height: 1.5;
}

.legal-content p {
    margin-bottom: 16px;
    color: var(--c-text-light);
}

.legal-list {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 24px;
    color: var(--c-text-light);
}

.legal-list li {
    margin-bottom: 8px;
    line-height: 1.8;
}

.legal-box {
    background: var(--c-bg-gray);
    padding: 28px 32px;
    border-radius: 6px;
    margin-top: 16px;
}

.legal-box p {
    margin-bottom: 8px;
    color: var(--c-text);
}

.legal-box p:last-child {
    margin-bottom: 0;
}

.legal-date {
    margin-top: 64px;
    padding-top: 24px;
    border-top: 1px solid #EBEBEB;
    color: var(--c-text-light);
    font-size: 0.9rem;
    text-align: right;
}

.legal-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
    font-size: 0.95rem;
}

.legal-table th,
.legal-table td {
    padding: 18px 20px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid #EBEBEB;
    line-height: 1.8;
}

.legal-table th {
    width: 30%;
    background: var(--c-bg-gray);
    font-weight: 700;
    color: var(--c-black);
}

.legal-table td {
    color: var(--c-text-light);
}

.legal-link {
    color: var(--c-accent-dark);
    text-decoration: underline;
}

.legal-note {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.85rem;
    color: #888;
}

@media (max-width: 768px) {
    .legal-table th,
    .legal-table td {
        display: block;
        width: 100%;
        padding: 12px 16px;
    }
    .legal-table th {
        border-bottom: none;
        padding-bottom: 4px;
    }
    .legal-h2 {
        font-size: 1.1rem;
    }
}

/* Footer legal links */
.footer-legal {
    text-align: center;
    padding: 24px 0 16px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-legal a:hover {
    color: var(--c-accent);
}

.footer-legal-sep {
    margin: 0 12px;
    color: rgba(255, 255, 255, 0.3);
}

/* ==============================
   FAQ button reset
   ============================== */
button.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    font-family: inherit;
    line-height: inherit;
}

button.faq-question:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: -2px;
    border-radius: 4px;
}

/* ==============================
   DRIVE plan recommended badge
   ============================== */
.plan-card--recommended {
    border: 2px solid var(--c-accent);
    box-shadow: 0 0 0 1px rgba(255, 222, 89, 0.15), 0 20px 60px rgba(0, 0, 0, 0.12);
    position: relative;
}

.plan-recommended-badge {
    background: var(--c-accent);
    color: var(--c-black);
    font-size: 0.8rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    padding: 6px 16px;
    text-align: center;
    border-radius: 4px 4px 0 0;
    margin: -1px -1px 0 -1px;
}