/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    /* Colors */
    --color-black: #232220;
    --color-yellow: #FBD50F;
    --color-yellow-transparent: rgba(251, 213, 15, 0.4);
    --color-yellow-transparent2: rgba(251, 213, 15, 0.6);

    --color-blue: #88B6F2;
    --color-light-blue: #B3CFF2;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-gray-dark: #666666;

    /* Typography */
    --font-lexend: "Lexend", sans-serif;
    --font-zen: "Zen Kaku Gothic New", sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(35, 34, 32, 0.08);
    --shadow-md: 0 4px 16px rgba(35, 34, 32, 0.12);
    --shadow-lg: 0 8px 32px rgba(35, 34, 32, 0.16);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-black);
    line-height: 1.7;
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

section {
    padding: 60px 0px;
}

.fa-paper-plane {
    margin-right: 10px;
}

h1,
h2,
h3,
h4,
h5,
h6,
button,
a {
    font-family: var(--font-lexend) !important;
}

p {
    font-family: var(--font-zen) !important;
}

/* ========================================
   Utility Classes
======================================== */
.container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-black);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-yellow);
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-dark);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-block;
    padding: 0.5rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    background-color: var(--color-yellow-transparent);
    margin: 0 auto;
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-black);
    box-shadow: var(--shadow-md);
}

.btn:hover {
    background-color: var(--color-black);
    color: var(--color-yellow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-black);
    border: 2px solid var(--color-black);
}

.btn-secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.btn-contact {
    background-color: var(--color-yellow);
    color: var(--color-black);
    padding: 0.234375vw 1.25vw;
    border-radius: 50px;
}

.btn-contact:hover {
    background-color: var(--color-black);
    color: var(--color-yellow);
}

/* ========================================
   Header & Navigation
======================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar {
    padding: 1rem 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 3.90625vw;
}

.nav-brand a {
    font-family: var(--font-lexend);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-black);
    position: relative;
    /* Remove text-decoration if applied by default, though usually reset */
    text-decoration: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-black);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-family: var(--font-lexend);
    font-size: 18px;
    color: var(--color-black);
    position: relative;
    text-decoration: none;
    font-weight: 400;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-yellow);
    transition: var(--transition-normal);
}

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

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-light) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    top: 40px;
}

.hero-title {
    font-family: var(--font-secondary);
    margin-bottom: 30px;
}

.title-main {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: var(--color-black);
    line-height: 1.2;
}

.title-sub {
    display: block;
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 1.7vw, 1.8rem);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    color: white;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 150px;
}

.hero-decoration {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-yellow-transparent) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    opacity: 0.3;
}

/* ========================================
   Service Section
======================================== */
.service {
    background-color: var(--color-white);
}

.service-grid {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    align-items: center;
    justify-content: center;
}

.service-card {
    background: var(--color-gray-light);
    border-radius: 20px;
    padding: 40px 30px 30px 30px;
    transition: all var(--transition-normal);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transform: translateY(30px);
    width: 500px;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.service-card-header {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--color-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--color-black);
}

.service-card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.service-card-subtitle {
    font-size: 1rem;
    color: var(--color-black);
    opacity: 0.8;
}

.service-card-body {
    margin-top: var(--spacing-md);
}

.service-platforms {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.service-platforms img {
    height: 50px;
}

.platform-badge {
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.service-card:hover .platform-badge {
    transform: translateY(-2px);
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.service-features i {
    color: var(--color-blue);
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.service-image-placeholder {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
    border: 2px dashed var(--color-gray-medium);
    transition: var(--transition-normal);
}

.service-card:hover .service-image-placeholder {
    border-color: var(--color-blue);
    background: rgba(136, 182, 242, 0.05);
}

.service-image-placeholder i {
    font-size: 3rem;
    color: var(--color-light-blue);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.service-card:hover .service-image-placeholder i {
    transform: scale(1.1);
    color: var(--color-blue);
}

.service-image-placeholder p {
    color: var(--color-black);
    opacity: 0.7;
    font-weight: 600;
}

.service-note {
    background: var(--color-yellow-transparent);
    border-left: 4px solid var(--color-yellow);
    padding: 15px 20px 20px 20px;
    border-radius: 8px;
    width: 89%;
    margin: auto;
}

.service-note-title {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 5px;
}

.service-note-title strong {
    font-size: 1.4rem;
}

.service-note i {
    color: var(--color-black);
    font-size: 1.2rem;
    flex-shrink: 0;
    position: relative;
    top: 2px;
}

.service-note p {
    margin: 0;
    font-size: 1rem;
    color: var(--color-black);
}

/* ========================================
   Point Section
======================================== */
.point {
    background-color: var(--color-gray-light);
}

.point-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.point-card {
    background-color: var(--color-white);
    border-radius: 20px;
    padding: 20px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    width: 380px;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.point-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.point-number {
    display: block;
    text-align: center;
    font-family: var(--font-secondary);
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-yellow-transparent2);
    line-height: 1;
    margin: 0 auto var(--spacing-sm) auto;
}

.point-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.point-subtitle {
    font-size: 1rem;
    color: var(--color-blue);
    font-weight: 600;
    min-height: 4rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
}

.point-description {
    color: var(--color-gray-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.point-benefits {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.benefit-tag {
    background-color: var(--color-yellow-transparent);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.benefit-tag i {
    color: var(--color-black);
}

.point-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.point-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-align: center;
}

.point-icon-item i {
    font-size: 2rem;
    color: var(--color-blue);
}

.point-icon-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* ========================================
   Works Section
======================================== */
/* ========================================
   Works Section
======================================== */
.works {
    background-color: var(--color-gray-light);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.work-card {
    background-color: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(35, 34, 32, 0.1);
    transition: var(--transition-normal);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
}

.work-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(35, 34, 32, 0.15);
}

.work-thumbnail {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    /* 16:9 アスペクト比 */
    position: relative;
    overflow: hidden;
    background-color: #000;
}

.work-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.work-video iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.work-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-light-blue) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 700;
    font-size: 18px;
    transition: var(--transition-normal);
}

.work-card:hover .work-placeholder {
    transform: scale(1.05);
}

.work-info {
    padding: var(--spacing-md);
}

.work-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
    line-height: 1.4;
}

.work-description {
    font-size: 14px;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.work-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.work-tag {
    background-color: var(--color-yellow-transparent);
    color: var(--color-black);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.work-card:hover .work-tag {
    background-color: var(--color-yellow);
}

.works-note {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: rgba(136, 182, 242, 0.1);
    border-radius: 12px;
    border-left: 4px solid var(--color-blue);
}

.works-note p {
    color: var(--color-black);
    font-size: 14px;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.works-note i {
    color: var(--color-blue);
    font-size: 16px;
}

/* ========================================
   Plan Section
======================================== */
.plan {
    background-color: var(--color-gray-light);
}

.plan-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* スポット制作 */
.spot-plan {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFDF0 100%);
    border-radius: 8px;
    padding: 1rem 1.2rem;
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--color-yellow);
    box-shadow: 0 2px 10px rgba(251, 213, 15, 0.15);
}

.spot-plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.spot-plan-header h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-black);
    margin: 0;
}

.spot-plan-price {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.spot-plan-price .price-amount {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--color-black);
}

.spot-plan-price .price-unit {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    font-weight: 600;
}

.spot-plan-notes {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.spot-plan-notes p {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    font-weight: 500;
}

.spot-plan-notes i {
    color: var(--color-yellow);
    font-size: 1rem;
}

/* 定常プランタイトル - スリム化 */
.monthly-plan-title {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-black);
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

/* プランカード */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: 50px;
}

.plan-card {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 1.2rem;
    box-shadow: 0 2px 10px rgba(35, 34, 32, 0.06);
    transition: all 0.25s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue) 0%, var(--color-light-blue) 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.plan-card:hover::before {
    opacity: 1;
}

.plan-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(35, 34, 32, 0.12);
}

.plan-card.featured {
    box-shadow: 0 4px 15px rgba(251, 213, 15, 0.2);
}

.plan-card.featured::before {
    background: linear-gradient(90deg, var(--color-yellow) 0%, var(--color-blue) 100%);
    opacity: 1;
}

.plan-header {
    text-align: center;
    margin-bottom: 1rem;
}

.plan-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 0.4rem;
}

.plan-catchphrase {
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    line-height: 1.5;
    margin: 0;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-blue);
    margin: 0.6rem 0;
}

.plan-price .price-unit {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-dark);
}

.plan-price-inline {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-blue);
    margin: 0.4rem 0;
}

/* プラン詳細リスト */
.plan-features-list {
    list-style: none;
    padding: 0;
    margin-bottom: 1.2rem;
    background: var(--color-gray-light);
    border-radius: 8px;
    padding: 1rem;
}

.plan-features-list p {
    font-size: 1rem;
    color: var(--color-black);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.plan-features-list li {
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.plan-features-list li:last-child {
    margin-bottom: 0;
}

.plan-features-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: 700;
}

.plan-features-list li strong {
    color: var(--color-black);
    font-weight: 700;
}

/* チェックリスト - スリム化 */
.plan-checklist {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.plan-checklist li {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
    color: var(--color-gray-dark);
}

.plan-checklist i {
    color: var(--color-blue);
    font-size: 1rem;
    flex-shrink: 0;
}

/* プラン共通の注記 - スリム化 */
.plan-notes-section {
    display: flex;
    flex-direction: column;
    background-color: white;
    border-radius: 12px;
    padding: 1rem;
}

.plan-notes-section i {
    margin-right: 5px;
}

.plan-note-main {
    border-left: 4px solid lightgray;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 0.5rem;
}

.plan-note-intro {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-black);
}

.plan-note-intro strong {
    font-weight: 700;
    font-size: 1.1rem;
}

.plan-note-box {
    background: var(--color-white);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-gray-light);
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    transition: all 0.25s ease;
}

.plan-note-box:hover {
    border-color: var(--color-blue);
    box-shadow: 0 2px 8px rgba(136, 182, 242, 0.15);
}

.plan-note-box i {
    color: var(--color-blue);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.plan-note-box p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    line-height: 1.5;
}

/* 初回お試しプラン - スリム化 */
/* 初回お試しプラン - カードスタイル */
.trial-plan-card {
    background: linear-gradient(135deg, rgba(251, 213, 15, 0.1) 0%, rgba(136, 182, 242, 0.05) 100%);
    border-radius: 16px;
    padding: 2rem;
    margin-top: var(--spacing-lg);
    border: 2px solid var(--color-yellow);
    box-shadow: 0 8px 24px rgba(251, 213, 15, 0.15);
    position: relative;
    transition: all 0.3s ease;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
}

.trial-plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(251, 213, 15, 0.25);
}

.trial-plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-yellow);
    color: var(--color-black);
    padding: 0.4rem 1.5rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    box-shadow: 0 4px 12px rgba(251, 213, 15, 0.4);
}

.trial-plan-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.trial-plan-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-black);
    margin-bottom: 0.5rem;
}

.trial-plan-price {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-blue);
    margin: 0.6rem 0;
}

.trial-plan-price .price-unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-dark);
}

.trial-plan-catchphrase {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    line-height: 1.6;
    margin: 0.8rem 0 0 0;
    text-align: left;
}

.trial-plan-features {
    list-style: none;
    padding: 0;
    margin-bottom: 1.5rem;
    text-align: left;
}

.trial-plan-features li {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin-bottom: 0.6rem;
    padding-left: 1.5rem;
    position: relative;
}

.trial-plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-yellow);
    font-weight: 700;
    font-size: 1.1rem;
}

.trial-plan-card .btn-plan {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 共通アコーディオン - スリム化 */
.common-accordion {
    margin-bottom: 40px;
}

.accordion-toggle {
    width: 100%;
    background: white;
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-family: 'Noto Sans JP', sans-serif;
    transition: all 0.25s ease;
    border: none;
}

.accordion-toggle:hover {
    background: linear-gradient(135deg, var(--color-yellow) 0%, #FFE066 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(251, 213, 15, 0.2);
}

.accordion-toggle:hover .accordion-toggle-text,
.accordion-toggle:hover .accordion-icon {
    color: var(--color-black);
}

.accordion-toggle-text {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-black);
}

.accordion-toggle-text i {
    font-size: 1.1rem;
    color: var(--color-blue);
}

.accordion-icon {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    transition: transform 0.3s ease;
}

.accordion-toggle[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
}

.accordion-content.active {
    max-height: 1200px;
}

.accordion-inner {
    padding: 1rem 1.2rem;
    background: #FAFBFC;
    border: 1px solid var(--color-gray-light);
    border-top: none;
    border-radius: 0 0 8px 8px;
    margin-top: -8px;
}

/* サービスリスト（アコーディオン内） - スリム化 */
.service-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.service-list-category {
    background: var(--color-white);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    box-shadow: 0 1px 6px rgba(35, 34, 32, 0.06);
}

.service-list-category>strong {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.6rem;
    padding-bottom: 0.4rem;
    border-bottom: 2px solid var(--color-yellow);
}

.service-list-category>strong i {
    color: var(--color-blue);
    font-size: 1rem;
}

.service-list-category ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-list-category ul li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    color: var(--color-gray-dark);
    line-height: 1.5;
}

.service-list-category ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: 700;
    font-size: 0.85rem;
}

/* オプションリスト（アコーディオン内） - スリム化 */
.options-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.options-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.8rem;
    background: var(--color-white);
    border-radius: 6px;
    border: 1px solid var(--color-gray-light);
    transition: all 0.25s ease;
}

.options-list li:hover {
    border-color: var(--color-yellow);
    transform: translateX(3px);
    box-shadow: 0 1px 6px rgba(251, 213, 15, 0.15);
}

.option-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-icon {
    font-size: 1.2rem;
}

.option-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-black);
}

.option-price {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-blue);
    white-space: nowrap;
}

.plan-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(135deg, var(--color-yellow) 0%, #FFE066 100%);
    color: var(--color-black);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.75rem;
    box-shadow: 0 2px 8px rgba(251, 213, 15, 0.3);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.plan-badge i {
    font-size: 0.7rem;
}



/* ========================================
   Scroll to Top Button
======================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-yellow);
    color: var(--color-black);
    border: none;
    border-radius: 50%;
    font-size: 1.3rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--color-black);
    color: var(--color-yellow);
    transform: translateY(-5px);
}



.scroll-to-top {
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
}

/* ========================================
   Flow Section
======================================== */
.flow {
    background-color: var(--color-white);
}

.flow-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.flow-timeline {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-sm);
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.flow-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Connecting lines/arrows */
.flow-step::after {
    content: '';
    position: absolute;
    top: 30px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-gray-medium);
    z-index: -1;
}

.flow-step:last-child::after {
    display: none;
}

.flow-step-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-yellow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.flow-step:hover .flow-step-icon {
    transform: scale(1.1);
    background-color: var(--color-black);
}

.flow-step:hover .flow-step-icon i {
    color: var(--color-yellow);
}

.flow-step-icon i {
    font-size: 1.5rem;
    color: var(--color-black);
    transition: var(--transition-normal);
}

.flow-step-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-black);
}

.flow-step-description {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.flow-step-period {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-blue);
    background-color: #F0F7FF;
    padding: 0.2rem 0.8rem;
    border-radius: 12px;
}

.flow-note {
    text-align: center;
    background-color: var(--color-gray-light);
    border-radius: 12px;
    padding: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
}

.flow-note-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 0.2rem;
}

.flow-note-subtitle {
    font-size: 0.9rem;
    color: var(--color-gray-dark);
    margin: 0;
}

/* ========================================
   Contact Section
======================================== */
.contact {
    background-color: var(--color-gray-light);
}

.contact-form {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    margin: 0 auto;
    position: relative;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
}

.form-container {
    width: 60%;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-black);
    font-size: 0.95rem;
}

.required {
    color: #ff4d4f;
    margin-left: 0.3rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid var(--color-gray-medium);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
    background-color: #FAFAFA;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-blue);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(136, 182, 242, 0.2);
}

.btn-submit {
    display: block;
    width: 100%;
    margin-top: 2rem;
    background-color: var(--color-black);
    color: var(--color-yellow);
    border: none;
    font-size: 1.1rem;
    padding: 1rem;
}

.btn-submit:hover {
    background-color: var(--color-yellow);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.icon-chicci {
    display: none;
    /* Hidden on small screens or by default, can be shown via media query if intended */
    /* Add styles if the image is meant to be shown next to the form on larger screens */
}

.icon {
    width: 300px;
}

/* Responsive adjustment for the mascot icon if needed */
/* Assuming the mascot is decorative and might appear on larger screens */
@media (min-width: 768px) {
    .contact-form {
        position: relative;
    }

    .icon-chicci {
        display: block;
        pointer-events: none;
    }
}

/* ========================================
   Footer
======================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ========================================
   Animation Classes
======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* Service card stagger animation */
.service-card:nth-child(1) {
    animation-delay: 0.1s;
}

.service-card:nth-child(2) {
    animation-delay: 0.2s;
}

/* ========================================
   Mobile Refinements (Added)
======================================== */
@media (max-width: 768px) {

    /* Global Constraints */
    img,
    video,
    iframe {
        max-width: 100%;
        height: auto;
    }

    /* Prevent horizontal overflow */
    body,
    html {
        overflow-x: hidden;
        width: 100%;
    }

    .container {
        padding-left: 20px;
        padding-right: 20px;
        width: 100%;
        overflow: hidden;
    }

    /* Hero Section Refinements */
    .hero-content {
        padding: 0 15px;
    }

    .hero-buttons {
        width: 100%;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .hero-video {
        width: auto;
        min-width: 100%;
        min-height: 100%;
        left: 50%;
        transform: translateX(-50%);
    }

    /* Service Section Force-Stack */
    .service-grid {
        display: flex;
        flex-direction: column !important;
        gap: 30px;
    }

    .service-card {
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        transform: none !important;
        opacity: 1 !important;
    }

    /* Strength (Point) Section */
    .point-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }

    .point-card {
        width: 100% !important;
    }

    /* Works Section */
    .works-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }

    .work-card {
        width: 100% !important;
    }

    /* Plan Section */
    .plan-grid {
        grid-template-columns: 1fr !important;
        gap: 30px;
    }

    .plan-card {
        width: 100% !important;
        margin: 0 auto 20px;
    }

    /* Contact Section */
    .contact-form {
        padding: 20px !important;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        width: 100% !important;
        box-sizing: border-box;
    }

    /* Navigation Touch Targets */
    .nav-link {
        padding: 10px 0;
        display: block;
    }
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 992px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-lg);
        gap: var(--spacing-md);
        transition: var(--transition-normal);
        box-shadow: var(--shadow-md);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Tablet adjustments */
    .hero-title .title-main {
        font-size: 3.5rem;
    }

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

    .service-grid {
        gap: var(--spacing-md);
    }

    /* Stack Service Cards on Tablet */
    .service-grid {
        flex-direction: column;
        align-items: center;
    }

    .service-card {
        width: 100%;
        max-width: 600px;
    }

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

    .plan-notes-section,
    .common-accordion {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .service-platforms img {
        height: 40px;
    }

    .sp {
        display: none;
    }

    html {
        font-size: 14px;
    }

    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .container {
        padding: 0 20px;
    }

    /* Hero Section */
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
        text-align: center;
    }

    .hero-content {
        top: 0;
    }

    .hero-title {
        margin-bottom: 20px;
    }

    .title-main {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .title-sub {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        margin-top: 40px;
        gap: 15px;
    }

    /* Service Section */
    .service-card {
        width: 100%;
        max-width: 100%;
        padding: 30px 20px 20px 20px;
    }

    .service-grid {
        gap: 30px;
    }

    /* Point/Strength Section */
    .point-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .point-card {
        width: 100%;
    }

    /* Works Section */
    .works-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    /* Plan Section */
    .plan-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .trial-plan-card {
        padding: 20px;
    }

    .service-list,
    .options-list {
        grid-template-columns: 1fr;
    }

    /* Flow Section - Vertical Timeline */
    .flow-timeline {
        flex-direction: column;
        align-items: stretch;
        position: relative;
        gap: 0;
    }

    /* Vertical line line */
    .flow-timeline::before {
        content: '';
        position: absolute;
        top: 20px;
        bottom: 20px;
        left: 30px;
        /* Adjust based on icon size */
        width: 2px;
        background: var(--color-gray-medium);
        z-index: 0;
    }

    .flow-step {
        display: grid;
        grid-template-columns: 60px 1fr auto;
        grid-template-rows: auto auto;
        gap: 10px 15px;
        /* row-gap col-gap */
        align-items: center;
        text-align: left;
        margin-bottom: 15px;
        z-index: 1;
        width: 100%;
    }

    .flow-step:last-child {
        margin-bottom: 0;
    }

    .flow-step::after {
        display: none;
    }

    .flow-step-icon {
        grid-row: 1 / span 2;
        grid-column: 1;
        width: 44px;
        height: 44px;
        margin: 0;
        justify-self: center;
        border: 4px solid var(--color-white);
    }

    .flow-step-icon i {
        font-size: 1.2rem;
    }

    .flow-step-title {
        grid-row: 1;
        grid-column: 2;
        margin: 0;
        align-self: end;
        margin-top: 5px;
    }

    .flow-step-period {
        grid-row: 1;
        grid-column: 3;
        font-size: 0.8rem;
        align-self: center;
        white-space: nowrap;
    }

    .flow-step-description {
        /* Was .flow-step-content but mapping to description based on HTML analysis? Wait, let's check HTML. */
        /* Re-checking HTML structure:
           <div class="flow-step">
               <div class="flow-step-icon">...</div>
               <h3 class="flow-step-title">...</h3>
               <p class="flow-step-description">...</p>
               <span class="flow-step-period">...</span>
           </div>
           
           The previous CSS had .flow-step-content, but I don't see that class in the HTML I read earlier?
           Let me check the HTML content again.
           
           HTML lines 489-547:
           <div class="flow-step">
                <div class="flow-step-icon">...</div>
                <h3 class="flow-step-title">...</h3>
                <p class="flow-step-description">...</p>
                <span class="flow-step-period">...</span>
           </div>
           
           There is NO .flow-step-content wrapper in the HTML I read in Step 531.
           However, the CSS I read in Step 562 has:
           .flow-step-content {
               flex: 1;
           }
           
           This suggests the previous CSS might have assumed a structure that doesn't exist or I missed something. 
           Actually, looking at the previous CSS file content (Step 562):
           2063:     .flow-step {
           2064:         flex-direction: row; ...
           
           2095:     .flow-step-content {
           2096:         flex: 1;
           2097:     }
           
           It seems .flow-step-content might have been intended for a wrapper that isn't there, or maybe I should target .flow-step-description directly.
           
           The implementation plan proposed:
           .flow-step-description {
               grid-row: 2;
               grid-column: 2 / span 2;
           }
           
           So I should implement that. I will remove .flow-step-content from the CSS as it seems unused or incorrect based on current HTML.
        */
        grid-row: 2;
        grid-column: 2 / span 2;
        margin: 0;
        align-self: start;
        width: 100%;
        font-size: 0.9rem;
        color: var(--color-gray-dark);
        line-height: 1.5;
    }

    /* Contact Section */
    .contact-form {
        padding: 30px 20px;
    }

    .form-container {
        width: 80%;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 12px;
    }

    /* Footer */
    .footer {
        padding: 20px 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    /* Adjust Flow Timeline for smaller screens */
    .flow-timeline::before {
        left: 30px;
        /* Center with smaller icon */
    }

    .flow-step-icon {
        width: 40px;
        height: 40px;
    }

    /* Plan cards */
    .plan-card {
        padding: 20px 15px;
    }

    /* Hide decorative elements that might overflow */
    .hero-decoration {
        display: none;
    }
}

@media print {

    .navbar,
    .scroll-to-top,
    .hero-buttons,
    .contact-form {
        display: none;
    }
}