/* アクセントカラーの定義を追加 */
:root {
    --text-dark: #212529; /* 主要なダークテキスト色 (白背景用) */
    --text-muted: #6c757d; /* 控えめなテキスト色 (白背景用) */
    --text-light: #ffffff; /* ライトテキスト色 (グラデーション背景用) */

    /* 新しいグラデーションの基準色 */
    --gradient-start-blue: #007bff; /* 青 */
    --gradient-middle-purple: #6a0dad; /* 紫 */
    --gradient-end-orange: #ff8c00; /* オレンジ */
    --accent-green: #00e676; /* アクセントグリーン */

    --bg-light: #ffffff; /* 主要なライト背景 (全て白) */
    --bg-light-secondary: #f8f9fa; /* やや暗いライト背景 (カード背景など) */
    --bg-light-tertiary: #e9ecef; /* さらに暗いライト背景 (入力フィールドなど) */

    --border-light: #dee2e6; /* ライトな境界線 */

    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.1); /* ライトな影 */
    --shadow-accent-light: 0 8px 20px rgba(0, 123, 255, 0.2); /* アクセントカラーの影 (ライト背景用) */

    --font-family: 'Noto Sans JP', sans-serif; /* 日本語フォント */
    --font-family-en: 'Space Grotesk', sans-serif; /* 英語タイトルフォント */
    --font-body-en: 'Inter', sans-serif; /* 英語本文フォント */
}
/* 全体のリセットと基本スタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    max-width: 100%;
}

body {
    font-family: var(--font-body-en), var(--font-family);
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    max-width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Custom Cursor */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    opacity: 0.7;
}

.cursor.hover {
    transform: scale(2);
    opacity: 0.5;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 60px;
    background: rgba(255, 255, 255, 0.95); /* 白の透明背景 */
    backdrop-filter: blur(15px);
    border-bottom: 1px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
    padding: 15px 60px;
    border-bottom: 1px solid var(--border-light); /* ライトな境界線 */
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* ライトな影 */
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-family-en);
    font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    font-weight: 700;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple)); /* ロゴを青紫グラデーションに */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.02em;
    text-shadow: none; /* 白背景なので影は不要 */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    color: var(--text-dark); /* ナビリンクの色をダークに */
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange)); /* ホバー時の下線をグラデーションに */
    box-shadow: none; /* 白背景なので影は不要 */
    transition: width 0.3s ease;
}

.nav-link:hover {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple)); /* ホバー時の文字色をグラデーションに */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    margin: 0;
    position: relative;
    overflow: hidden;
    background: var(--bg-light);
}

/* Hero Background Animation */
.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    border-radius: 50%;
    opacity: 0.12;
    animation: particleMove 25s infinite linear;
    filter: blur(8px);
}

.particle-1 { 
    width: 200px; 
    height: 200px; 
    top: 5%; 
    left: 2%; 
    animation-delay: 0s; 
}

.particle-2 { 
    width: 150px; 
    height: 150px; 
    top: 35%; 
    right: 5%; 
    animation-delay: 8s; 
}

.particle-3 { 
    width: 250px; 
    height: 250px; 
    bottom: 10%; 
    left: 25%; 
    animation-delay: 16s; 
}

@keyframes particleMove {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); opacity: 0.12; }
    25% { transform: translate(120px, 60px) scale(1.3) rotate(90deg); opacity: 0.2; }
    50% { transform: translate(0, 120px) scale(1.1) rotate(180deg); opacity: 0.12; }
    75% { transform: translate(-120px, 60px) scale(0.9) rotate(270deg); opacity: 0.08; }
    100% { transform: translate(0, 0) scale(1) rotate(360deg); opacity: 0.12; }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 123, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 123, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridScroll 40s linear infinite;
    opacity: 0.6;
}

@keyframes gridScroll {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

.hero-content {
    text-align: center;
    width: 100vw;
    max-width: none;
    position: relative;
    z-index: 1;
    padding: 0 20px;
}

.hero-title {
    font-family: var(--font-family-en), var(--font-family);
    font-size: clamp(3.5rem, 10vw, 10rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 60px;
    position: relative;
    text-shadow: none;
    width: 100%;
    text-align: center;
    overflow: visible;
}

.gradient-text {
    background: linear-gradient(135deg, #007bff 0%, #6a0dad 20%, #8a2be2 40%, #ff6b35 70%, #ff8c00 100%);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease-in-out infinite;
    text-shadow: 0 0 60px rgba(0, 123, 255, 0.5);
    position: relative;
    display: inline-block;
    filter: drop-shadow(0 0 20px rgba(0, 123, 255, 0.3));
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
        filter: hue-rotate(0deg);
    }
    33% {
        background-position: 50% 0%;
        filter: hue-rotate(30deg);
    }
    66% {
        background-position: 100% 50%;
        filter: hue-rotate(-30deg);
    }
}

.hero-title .line {
    display: block;
    overflow: visible;
    white-space: normal;
}

.hero-title .word {
    display: inline-block;
    transform: translateY(100%);
    animation: slideUp 1.2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    margin-right: 0.2em;
}

.hero-title .word:nth-child(1) { animation-delay: 0.1s; }
.hero-title .word:nth-child(2) { animation-delay: 0.3s; }
.hero-title .word:nth-child(3) { animation-delay: 0.5s; }
.hero-title .word:nth-child(4) { animation-delay: 0.7s; }

@keyframes slideUp {
    to {
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-muted);
    font-weight: 500;
    max-width: 90vw;
    margin: 0 auto 80px;
    opacity: 0;
    animation: fadeIn 1.2s ease 0.8s forwards;
    line-height: 1.6;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    padding: clamp(1rem, 2.5vw, 1.75rem) clamp(2rem, 5vw, 3.5rem);
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 60px;
    font-weight: 700;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    animation: fadeIn 1.2s ease 1.2s forwards;
    box-shadow: 0 16px 50px rgba(0, 123, 255, 0.4);
    text-transform: none;
}

.hero-cta:hover {
    transform: translateY(-6px) scale(1.05);
    background: linear-gradient(135deg, var(--gradient-middle-purple), var(--gradient-end-orange));
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.4);
}

.hero-cta .arrow {
    transition: transform 0.3s ease;
    font-size: 1.2em;
}

.hero-cta:hover .arrow {
    transform: translateX(6px);
}

/* About Section */
.about {
    padding: 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.about-section-inner {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-light-secondary) 100%);
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: clamp(4rem, 10vh, 8rem) 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 120px;
    align-items: center;
}

.about-content {
    opacity: 0;
    transform: translateX(-80px);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-dark);
}

.about-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 40px;
    line-height: 1.3;
}

.about-text {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 50px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.about-stat {
    text-align: left;
}

.about-stat-number {
    font-family: var(--font-family-en);
    font-size: clamp(2.5rem, 5vw, 3rem);
    font-weight: 800;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange)); /* 数字をグラデーションに */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.about-stat-label {
    font-size: clamp(0.75rem, 1.2vw, 0.875rem);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-visual {
    position: relative;
    opacity: 0;
    transform: translateX(80px);
    transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1) 0.3s;
}

.about-visual.visible {
    opacity: 1;
    transform: translateX(0);
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    transform: rotate(5deg);
}

.visual-item {
    aspect-ratio: 1;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    border: 1px solid var(--border-light);
    background-color: var(--bg-light-secondary);
}

.visual-overlay {
    background: rgba(0, 0, 0, 0.4); /* オーバーレイを調整 */
    backdrop-filter: blur(8px);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.visual-item:hover .visual-overlay {
    opacity: 1;
    transform: translateY(0);
}

.visual-item:hover {
    /* No hover transform */
}

.visual-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 123, 255, 0.03); /* アクセントブルーの薄いオーバーレイ、透明度調整 */
    backdrop-filter: blur(5px);
    transition: opacity 0.3s ease;
    opacity: 0;
}

.visual-item:hover::before {
    opacity: 0;
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.floating-dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    border-radius: 50%;
    opacity: 0.15; /* 透明度を調整 */
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.5);
}

.floating-dot:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-dot:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-dot:nth-child(3) {
    bottom: 25%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    33% {
        transform: translateY(-30px) translateX(20px);
    }
    66% {
        transform: translateY(10px) translateX(-15px);
    }
}

/* Problems Section (こんなお悩みありませんか？) */
.problems {
    padding: 100px 60px;
    background: var(--bg-light);
    color: var(--text-dark);
    text-align: center;
}

.problems-container {
    max-width: 1200px;
    margin: 0 auto;
}

.problems-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 60px;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.problem-item {
    background: var(--bg-light-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 40px 30px;
    position: relative;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
    text-align: center;
}

.problem-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--gradient-end-orange); /* ホバー時にアクセントオレンジの枠線 */
}

.problem-visual {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0 auto 20px;
    background-color: #fff;
    border: 2px solid var(--gradient-start-blue);
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
}

.problem-item:hover .problem-visual {
    /* No hover transform */
    border-color: var(--gradient-end-orange);
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.5);
}

.problem-item h3 {
    font-size: clamp(1.2rem, 2vw, 1.375rem);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.problem-item p {
    font-size: clamp(0.9rem, 1.5vw, 0.9375rem);
    color: var(--text-muted);
    line-height: 1.7;
}

/* Features Section (特長) */
.features {
    padding: 200px 60px;
    background: var(--bg-light-secondary);
    color: var(--text-dark);
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
}

.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.feature-item {
    position: relative;
    opacity: 0;
    transform: translateX(-100px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    padding: 120px 0;
    border-bottom: 1px solid var(--border-light);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-item:nth-child(even) {
    transform: translateX(100px);
}

.feature-item:nth-child(even) .feature-content {
    order: 2;
}

.feature-item:nth-child(even) .feature-visual {
    order: 1;
}

.feature-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.feature-content {
    position: relative;
    color: var(--text-dark);
}

.feature-number {
    font-family: var(--font-family-en);
    font-size: clamp(8rem, 15vw, 11.25rem);
    font-weight: 900;
    line-height: 1;
    position: absolute;
    top: -80px;
    left: -40px;
    background: linear-gradient(90deg, rgba(0, 123, 255, 0.08), rgba(106, 13, 173, 0.08));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 0;
}

.feature-title {
    font-family: var(--font-body-en), var(--font-family);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
    z-index: 10;
    letter-spacing: -0.02em;
    color: var(--text-dark);
    text-shadow: none;
}

.feature-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    border-radius: 2px;
    transition: width 0.4s ease, box-shadow 0.4s ease;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange)); /* 下線をグラデーションに */
    box-shadow: none;
}

.feature-item.feature1 .feature-title::after {
    background: var(--gradient-start-blue);
    box-shadow: 0 0 8px var(--gradient-start-blue);
}

.feature-item.feature2 .feature-title::after {
    background: var(--gradient-middle-purple);
    box-shadow: 0 0 8px var(--gradient-middle-purple);
}

.feature-item.feature3 .feature-title::after {
    background: var(--gradient-end-orange);
    box-shadow: 0 0 8px var(--gradient-end-orange);
}

.feature-item:hover .feature-title::after {
    width: 100px;
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.5);
}

.feature-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    position: relative;
    z-index: 10;
}

.feature-visual {
    position: relative;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-light);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    background-color: var(--bg-light-secondary);
}

.feature-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    transition: opacity 0.4s ease;
    z-index: 1;
}

.feature-item:hover .feature-visual::before {
    opacity: 0.05;
}

.feature-item:hover .feature-visual {
    /* No hover transform */
}

/* Large Text Section */
.large-text {
    padding: 200px 60px;
    background: var(--bg-light);
    color: var(--text-dark);
    text-align: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.large-text::before,
.large-text::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
    z-index: -1;
    filter: blur(20px);
}

.large-text::before {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    top: 10%;
    left: -100px;
    animation: floatCircle1 15s infinite ease-in-out;
}

.large-text::after {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--gradient-end-orange), var(--gradient-start-blue));
    bottom: 5%;
    right: -150px;
    animation: floatCircle2 20s infinite ease-in-out reverse;
}

@keyframes floatCircle1 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-30px) translateX(50px); }
}

@keyframes floatCircle2 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(40px) translateX(-60px); }
}

.large-text .reveal-text {
    font-family: var(--font-family-en);
    font-size: clamp(3rem, 8vw, 10rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.03em;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transform: translateY(100%);
    display: inline-block;
    transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

.large-text.visible .reveal-text {
    transform: translateY(0);
}

.large-text.visible .reveal-text:nth-child(1) { transition-delay: 0.1s; }
.large-text.visible .reveal-text:nth-child(2) { transition-delay: 0.2s; }
.large-text.visible .reveal-text:nth-child(3) { transition-delay: 0.3s; }
.large-text.visible .reveal-text:nth-child(4) { transition-delay: 0.4s; }

/* Plans Section (料金プラン) */
.plans {
    padding: 200px 60px;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-light-secondary) 100%);
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
}

.plans::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.03), rgba(106, 13, 173, 0.03));
    border-radius: 50%;
    top: -250px;
    right: -250px;
    z-index: 0;
    filter: blur(40px);
}

.plans-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.plans-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    align-items: start;
}

.plan-card {
    background: var(--bg-light);
    border: 2px solid transparent;
    border-radius: 24px;
    padding: 50px 40px;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple), var(--gradient-end-orange));
    z-index: -1;
    border-radius: 24px;
    padding: 2px;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: xor;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.plan-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 123, 255, 0.15);
}

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

.plan-card.featured {
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: white;
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 123, 255, 0.25);
}

.plan-card.featured::before {
    opacity: 0;
}

.plan-card.featured:hover {
    transform: translateY(-12px) scale(1.07);
    box-shadow: 0 25px 60px rgba(0, 123, 255, 0.3);
}

.plan-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background: linear-gradient(135deg, #00e676, #00c853);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0, 230, 118, 0.3);
}

.plan-header {
    margin-bottom: 40px;
    text-align: left;
}

.plan-header h3 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.plan-card.featured .plan-header h3 {
    color: white;
}

.plan-header p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.plan-card.featured .plan-header p {
    color: rgba(255, 255, 255, 0.8);
}

.plan-price {
    margin-bottom: 40px;
    text-align: left;
}

.price-number {
    font-family: var(--font-family-en);
    font-size: clamp(2.5rem, 5vw, 3rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.plan-card.featured .price-number {
    color: white;
    background: none;
    -webkit-text-fill-color: white;
}

.price-unit {
    font-size: clamp(1rem, 1.8vw, 1.125rem);
    color: var(--text-muted);
    margin-left: 8px;
}

.plan-card.featured .price-unit {
    color: rgba(255, 255, 255, 0.8);
}

.plan-features {
    list-style: none;
    margin-bottom: 40px;
    flex-grow: 1;
    text-align: left;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.plan-card.featured .plan-features li {
    color: rgba(255, 255, 255, 0.9);
}

.plan-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-end-orange));
    color: white;
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.plan-card.featured .plan-features li::before {
    background: white;
    color: var(--gradient-start-blue);
}

.plan-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 36px;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: white;
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3);
    width: 100%;
}

.plan-cta:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, var(--gradient-middle-purple), var(--gradient-end-orange));
    box-shadow: 0 12px 30px rgba(0, 123, 255, 0.4);
}

.plan-card.featured .plan-cta {
    background: white;
    color: var(--gradient-start-blue);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.plan-card.featured .plan-cta:hover {
    background: var(--bg-light-secondary);
    color: var(--gradient-start-blue);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.4);
}

.plan-card.custom-plan {
    background: linear-gradient(135deg, var(--gradient-end-orange) 0%, var(--gradient-start-blue) 100%);
    color: white;
    border: none;
    box-shadow: 0 20px 40px rgba(255, 140, 0, 0.25);
}

.plan-card.custom-plan .plan-header h3,
.plan-card.custom-plan .plan-header p,
.plan-card.custom-plan .price-number,
.plan-card.custom-plan .price-unit,
.plan-card.custom-plan .plan-features li {
    color: white;
}

.plan-card.custom-plan .price-number {
    background: none;
    -webkit-text-fill-color: white;
}

.plan-card.custom-plan .plan-features li::before {
    background: white;
    color: var(--gradient-end-orange);
}

.plan-card.custom-plan .plan-cta {
    background: white;
    color: var(--gradient-end-orange);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.3);
}

.plan-card.custom-plan .plan-cta:hover {
    background: var(--bg-light-secondary);
    color: var(--gradient-end-orange);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.4);
}

/* Values Section (導入の流れ) */
.values {
    padding: 200px 60px;
    background: var(--bg-light-secondary);
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
}

/* 導入の流れセクションの背景に透過した大きな円形要素 */
.values::before,
.values::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    opacity: 0.05;
    z-index: 0;
    filter: blur(15px);
}

.values::before {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--gradient-end-orange), var(--gradient-middle-purple));
    top: 15%;
    left: 5%;
    animation: floatCircle3 18s infinite ease-in-out;
}

.values::after {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--accent-green));
    bottom: 10%;
    right: 8%;
    animation: floatCircle4 22s infinite ease-in-out reverse;
}

@keyframes floatCircle3 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(-25px) translateX(40px); }
}

@keyframes floatCircle4 {
    0%, 100% { transform: translateY(0) translateX(0); }
    50% { transform: translateY(35px) translateX(-50px); }
}

.values-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    margin-top: 80px;
    position: relative;
}

/* 透過した矢印のデザイン */
.values-grid::before,
.values-grid::after {
    content: '→';
    position: absolute;
    font-size: 120px;
    font-weight: 900;
    color: rgba(0, 123, 255, 0.08);
    z-index: 0;
    pointer-events: none;
    font-family: var(--font-family-en);
}

.values-grid::before {
    top: 25%;
    left: 25%;
    transform: rotate(-15deg);
    animation: arrowFloat1 6s ease-in-out infinite;
}

.values-grid::after {
    top: 60%;
    right: 25%;
    transform: rotate(15deg);
    animation: arrowFloat2 6s ease-in-out infinite reverse;
}

@keyframes arrowFloat1 {
    0%, 100% { transform: rotate(-15deg) translateY(0px); opacity: 0.08; }
    50% { transform: rotate(-10deg) translateY(-10px); opacity: 0.15; }
}

@keyframes arrowFloat2 {
    0%, 100% { transform: rotate(15deg) translateY(0px); opacity: 0.08; }
    50% { transform: rotate(10deg) translateY(-15px); opacity: 0.15; }
}

.value-item {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 40px;
    box-shadow: var(--shadow-light);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-light);
    position: relative;
    z-index: 1;
}

.value-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.value-number {
    font-family: var(--font-family-en);
    font-size: clamp(4rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 20px;
    display: block;
    background: linear-gradient(135deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.value-label {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.value-description {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Company Section (会社概要) */
.company {
    padding: 200px 60px;
    text-align: center;
    background: var(--bg-light);
    color: var(--text-dark);
}

.company-container {
    max-width: 1200px;
    margin: 0 auto;
}

.company-info-card {
    background: var(--bg-light-secondary);
    border-radius: 20px;
    padding: 60px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    text-align: left;
    border: 1px solid var(--border-light);
}

.company-info-list {
    position: relative;
    z-index: 1;
    list-style: none;
    padding: 0;
}

.info-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 30px;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
}

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

.info-row dt {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
}

.info-row dd {
    color: var(--text-muted);
    line-height: 1.7;
}

.info-row ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-row ul li {
    position: relative;
    padding-left: 0;
    margin-bottom: 8px;
}

/* FAQ Section (よくあるご質問) */
.faq {
    padding: 200px 60px;
    background: var(--bg-light-secondary);
    color: var(--text-dark);
}

.faq-container {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    background-color: var(--bg-light);
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #e0e0e0;
}

details[open] .faq-question {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: white;
}

.faq-answer {
    padding: 20px 30px;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    background-color: var(--bg-light-secondary);
}

.faq-answer a {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: 200px 60px;
    text-align: center;
    background: var(--bg-light);
    color: var(--text-dark);
}

.contact-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--text-muted);
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-subtitle.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-info {
    max-width: 800px;
    margin: 0 auto;
}

.contact-email {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    margin-bottom: 60px;
    display: block;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-email.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-email:hover {
    background: linear-gradient(90deg, var(--gradient-end-orange), var(--gradient-middle-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Submit Button for Form */
.form-submit-button {
    text-align: center;
    margin-top: 40px;
}

/* Privacy Policy Section */
.privacy-section {
    padding: 100px 60px;
    background: var(--bg-light-secondary);
}

.privacy-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-light);
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
    border: 1px solid var(--border-light);
    color: var(--text-dark);
}

.privacy-accordion {
    border-bottom: 1px solid var(--border-light);
}

.privacy-accordion:last-child {
    border-bottom: none;
}

.privacy-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    background-color: var(--bg-light);
    transition: background-color 0.3s ease;
}

.privacy-question:hover {
    background-color: #e0e0e0;
}

details[open] .privacy-question {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: white;
}

.privacy-answer {
    padding: 20px 30px;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.7;
    background-color: var(--bg-light-secondary);
}

.privacy-answer h3 {
    font-size: 1.3rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.privacy-answer ol,
.privacy-answer ul {
    margin-left: 25px;
    margin-bottom: 15px;
    list-style-type: decimal;
}

.privacy-answer ol li,
.privacy-answer ul li {
    margin-bottom: 8px;
}

.privacy-answer address {
    font-style: normal;
    margin-top: 20px;
    line-height: 1.8;
}

.policy-date {
    margin-top: 30px;
    font-size: 0.9em;
    color: var(--text-muted);
    text-align: right;
}

/* Thanks Page Specific Styles */
.thanks-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--bg-light);
    padding: 100px 60px;
    color: var(--text-dark);
}

.thanks-content {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-light-secondary);
    padding: 60px;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-light);
}

.thanks-title {
    font-family: var(--font-family-en);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 30px;
    text-shadow: none;
}

.thanks-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

.thanks-button {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 18px 36px;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    color: white;
    text-decoration: none;
    border-radius: 60px;
    font-weight: 600;
    font-size: 17px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-accent-light);
}

.thanks-button:hover {
    transform: translateY(-4px);
    background: linear-gradient(90deg, var(--gradient-middle-purple), var(--gradient-end-orange));
    box-shadow: 0 12px 30px rgba(0, 123, 255, 0.4);
}

/* Footer Styles */
.footer {
    padding: 60px;
    background: var(--bg-light-secondary);
    color: var(--text-dark);
    text-align: center;
    border-top: 1px solid var(--border-light);
}

.footer .logo {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: inline-block;
    text-shadow: none;
}

.footer-nav {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px 30px;
    margin-bottom: 30px;
}

.footer-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.copyright {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Section Title */
.section-title {
    font-family: var(--font-family-en), var(--font-family);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 80px;
    text-align: center;
    overflow: visible;
    position: relative;
    padding-bottom: 40px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    box-shadow: none;
    border-radius: 2px;
}

.section-title .word {
    display: inline-block;
    transform: translateY(100%);
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-middle-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.1);
}

.section-title.visible .word {
    transform: translateY(0);
}

.about-title.section-title {
    text-align: left;
}

.about-title.section-title::after {
    left: 0;
    transform: translateX(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        padding: 15px 20px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 60px;
        padding: clamp(4rem, 10vh, 8rem) 20px;
        min-height: auto;
    }

    .about-visual {
        order: -1;
    }

    .visual-grid {
        transform: rotate(0deg);
        gap: 20px;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .businesses,
    .large-text,
    .values,
    .contact,
    .company,
    .faq,
    .privacy-section,
    .thanks-section,
    .plans,
    .problems,
    .features {
        padding: 100px 20px;
    }
    
    .feature-grid {
        flex-direction: column;
    }
    
    .feature-item {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 60px 0;
    }

    .feature-item:nth-child(even) .feature-content {
        order: 1;
    }

    .feature-item:nth-child(even) .feature-visual {
        order: 2;
    }

    .feature-visual {
        height: 250px;
    }
    
    .plans-grid,
    .values-grid,
    .contact-details,
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .plan-card,
    .value-item,
    .contact-detail,
    .company-info-card,
    .problem-item {
        padding: 30px 20px;
    }

    .company-info-card {
        padding: 30px 20px;
    }

    .info-row {
        grid-template-columns: 1fr;
        gap: 15px;
        text-align: left;
    }

    .info-row dt, .info-row dd {
        align-items: flex-start;
    }

    .privacy-question, .faq-question {
        padding: 18px 20px;
    }

    .privacy-answer, .faq-answer {
        padding: 15px 20px;
    }

    .footer {
        padding: 40px 20px;
    }

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

/* Very Small Screens (e.g., iPhone SE) */
@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(3rem, 16vw, 8rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 5vw, 1.2rem);
    }
    
    .hero-cta {
        padding: 18px 36px;
    }

    .businesses,
    .large-text,
    .values,
    .contact,
    .company,
    .faq,
    .privacy-section,
    .thanks-section,
    .plans,
    .problems,
    .features {
        padding: 80px 15px;
    }

    .feature-item {
        padding: 40px 0;
    }

    .feature-visual {
        height: 180px;
    }

    .plan-card,
    .value-item,
    .contact-detail,
    .company-info-card,
    .problem-item {
        padding: 25px 15px;
    }

    .info-row {
        gap: 10px;
    }

    .privacy-question, .faq-question {
        padding: 15px;
    }
    .privacy-answer, .faq-answer {
        padding: 10px 15px;
    }

    .footer {
        padding: 30px 15px;
    }
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 80px;
}

.contact-detail {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-detail.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-detail h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-detail p {
    color: var(--text-muted);
}

/* Form Specific Styles */
.info-row input[type="text"],
.info-row input[type="email"],
.info-row input[type="tel"],
.info-row select,
.info-row textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-dark);
    background-color: var(--bg-light-tertiary);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.info-row input:focus,
.info-row select:focus,
.info-row textarea:focus {
    border-color: var(--gradient-start-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
    outline: none;
}

.info-row select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236c757d'%3E%3Cpath d='M7.41 8.59L12 13.17l4.59-4.58L18 10l-6 6-6-6 1.41-1.41z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 24px;
}

.required-mark {
    color: var(--gradient-end-orange);
    margin-left: 5px;
    font-size: 0.9em;
}

.agree-row {
    margin-top: 40px;
}

.privacy-check {
    display: flex;
    align-items: flex-start;
    font-size: 0.95rem;
    color: var(--text-muted);
    cursor: pointer;
}

.privacy-check input[type="checkbox"] {
    margin-top: 2px;
    margin-right: 10px;
    transform: scale(1.2);
}

.privacy-check a {
    background: linear-gradient(90deg, var(--gradient-start-blue), var(--gradient-end-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: underline;
}

.privacy-check a:hover {
    background: linear-gradient(90deg, var(--gradient-end-orange), var(--gradient-middle-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}