/* リセットCSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-text {
    color: #333;
    font-size: 1.1rem;
    font-weight: 500;
    white-space: nowrap;
}

.footer-logo {
    height: 40px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* ヒーローセクション */
.hero {
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    font-display: swap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('image/背景.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    animation: kenBurns 20s ease-in-out infinite alternate;
    z-index: -1;
}

@keyframes kenBurns {
    0% {
        transform: scale(1) translateX(0) translateY(0);
    }
    25% {
        transform: scale(1.1) translateX(-2%) translateY(-1%);
    }
    50% {
        transform: scale(1.05) translateX(1%) translateY(-2%);
    }
    75% {
        transform: scale(1.08) translateX(-1%) translateY(1%);
    }
    100% {
        transform: scale(1.03) translateX(2%) translateY(-1%);
    }
}

/* パーティクル背景 */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: particleFloat 15s infinite linear;
}

.particle:nth-child(1) {
    width: 4px;
    height: 4px;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    width: 6px;
    height: 6px;
    left: 20%;
    animation-delay: 2s;
    animation-duration: 18s;
}

.particle:nth-child(3) {
    width: 3px;
    height: 3px;
    left: 30%;
    animation-delay: 4s;
    animation-duration: 15s;
}

.particle:nth-child(4) {
    width: 8px;
    height: 8px;
    left: 40%;
    animation-delay: 1s;
    animation-duration: 20s;
}

.particle:nth-child(5) {
    width: 5px;
    height: 5px;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 14s;
}

.particle:nth-child(6) {
    width: 2px;
    height: 2px;
    left: 60%;
    animation-delay: 5s;
    animation-duration: 16s;
}

.particle:nth-child(7) {
    width: 7px;
    height: 7px;
    left: 70%;
    animation-delay: 1.5s;
    animation-duration: 13s;
}

.particle:nth-child(8) {
    width: 4px;
    height: 4px;
    left: 80%;
    animation-delay: 3.5s;
    animation-duration: 17s;
}

.particle:nth-child(9) {
    width: 6px;
    height: 6px;
    left: 90%;
    animation-delay: 2.5s;
    animation-duration: 19s;
}

.particle:nth-child(10) {
    width: 3px;
    height: 3px;
    left: 15%;
    animation-delay: 4.5s;
    animation-duration: 11s;
}

.particle:nth-child(11) {
    width: 5px;
    height: 5px;
    left: 25%;
    animation-delay: 0.5s;
    animation-duration: 21s;
}

.particle:nth-child(12) {
    width: 4px;
    height: 4px;
    left: 35%;
    animation-delay: 2.8s;
    animation-duration: 16s;
}

.particle:nth-child(13) {
    width: 7px;
    height: 7px;
    left: 45%;
    animation-delay: 1.2s;
    animation-duration: 14s;
}

.particle:nth-child(14) {
    width: 3px;
    height: 3px;
    left: 55%;
    animation-delay: 3.8s;
    animation-duration: 18s;
}

.particle:nth-child(15) {
    width: 6px;
    height: 6px;
    left: 65%;
    animation-delay: 0.8s;
    animation-duration: 12s;
}

.particle:nth-child(16) {
    width: 4px;
    height: 4px;
    left: 75%;
    animation-delay: 4.2s;
    animation-duration: 20s;
}

.particle:nth-child(17) {
    width: 5px;
    height: 5px;
    left: 85%;
    animation-delay: 1.8s;
    animation-duration: 15s;
}

.particle:nth-child(18) {
    width: 2px;
    height: 2px;
    left: 95%;
    animation-delay: 3.2s;
    animation-duration: 17s;
}

.particle:nth-child(19) {
    width: 8px;
    height: 8px;
    left: 5%;
    animation-delay: 2.2s;
    animation-duration: 13s;
}

.particle:nth-child(20) {
    width: 3px;
    height: 3px;
    left: 12%;
    animation-delay: 4.8s;
    animation-duration: 19s;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) translateX(50px) rotate(360deg);
        opacity: 0;
    }
}

/* 3D電子空間エフェクト */
.cyber-space {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    pointer-events: none;
    perspective: 1000px;
    transform-style: preserve-3d;
}

/* 浮遊する3D図形 */
.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.shape {
    position: absolute;
    width: 20px;
    height: 20px;
    left: var(--x);
    top: var(--y);
    animation: floatShape 12s infinite ease-in-out;
    animation-delay: var(--delay);
    transform-style: preserve-3d;
}

.shape.cube {
    background: linear-gradient(45deg, rgba(200, 235, 255, 0.1), rgba(220, 245, 255, 0.15));
    border: 1px solid rgba(230, 250, 255, 0.2);
    transform: rotateX(45deg) rotateY(45deg);
}

.shape.pyramid {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 20px solid rgba(0, 150, 255, 0.4);
    border-top: 1px solid rgba(0, 200, 255, 0.6);
    background: none;
}

.shape.sphere {
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 0, 150, 0.6), rgba(150, 0, 255, 0.3));
    border: 1px solid rgba(200, 0, 255, 0.5);
}

.shape.diamond {
    transform: rotate(45deg);
    background: linear-gradient(135deg, rgba(0, 150, 255, 0.4), rgba(0, 100, 255, 0.4));
    border: 1px solid rgba(0, 180, 255, 0.6);
}

.shape.hexagon {
    width: 16px;
    height: 16px;
    background: rgba(0, 255, 100, 0.4);
    border: 1px solid rgba(0, 255, 150, 0.6);
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
}

.shape.octagon {
    width: 18px;
    height: 18px;
    background: rgba(100, 255, 255, 0.4);
    border: 1px solid rgba(150, 255, 255, 0.6);
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

@keyframes floatShape {
    0%, 100% {
        transform: translateZ(0) rotateX(0deg) rotateY(0deg) rotateZ(0deg);
        opacity: 0.4;
    }
    25% {
        transform: translateZ(-100px) rotateX(90deg) rotateY(45deg) rotateZ(45deg);
        opacity: 0.4;
    }
    50% {
        transform: translateZ(-200px) rotateX(180deg) rotateY(90deg) rotateZ(90deg);
        opacity: 0.4;
    }
    75% {
        transform: translateZ(-100px) rotateX(270deg) rotateY(135deg) rotateZ(135deg);
        opacity: 0.4;
    }
}

/* デジタル軌跡 */
.digital-trails {
    position: absolute;
    width: 100%;
    height: 100%;
}

.trail {
    position: absolute;
    width: 2px;
    height: 2px;
    left: var(--start-x);
    top: var(--start-y);
    background: rgba(0, 255, 255, 0.8);
    border-radius: 50%;
    box-shadow: 
        0 0 10px rgba(0, 255, 255, 0.6),
        0 0 20px rgba(0, 255, 255, 0.4),
        0 0 30px rgba(0, 255, 255, 0.2);
    animation: trailMove 6s infinite linear;
    animation-delay: var(--delay);
}

.trail::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, 
        rgba(0, 255, 255, 0.8) 0%, 
        rgba(0, 255, 255, 0.4) 50%, 
        transparent 100%);
    left: -50px;
    top: 50%;
    transform: translateY(-50%);
    animation: trailGlow 6s infinite linear;
    animation-delay: var(--delay);
}

@keyframes trailMove {
    0% {
        left: var(--start-x);
        top: var(--start-y);
        opacity: 0;
        transform: scale(0.5);
    }
    10% {
        opacity: 1;
        transform: scale(1);
    }
    90% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        left: var(--end-x);
        top: var(--end-y);
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes trailGlow {
    0%, 100% {
        opacity: 0;
        transform: translateY(-50%) scaleX(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-50%) scaleX(1);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: white;
    font-display: swap;
    visibility: visible;
    opacity: 1;
    transform: translateZ(0);
    will-change: transform;
}

.highlight {
    color: white;
}

.hero-description {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    color: white;
    font-display: swap;
    visibility: visible;
    transform: translateZ(0);
    will-change: transform;
}

.hero-tagline {
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.tagline-text {
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    display: block;
    margin-bottom: 0.5rem;
}

.tagline-highlight {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    display: block;
    position: relative;
    font-display: swap;
    visibility: visible;
    transform: translateZ(0);
    will-change: transform;
}

.tagline-underline {
    height: 4px;
    background: linear-gradient(90deg, transparent, #fbbf24, #f59e0b, #fbbf24, transparent);
    margin-top: 0.5rem;
    border-radius: 2px;
    animation: underlineGlow 2s ease-in-out infinite alternate;
}

/* タイピングカーソル */
.typing-cursor {
    color: #667eea;
    font-weight: 700;
    animation: blink 1s infinite;
    margin-left: 2px;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes kiran {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        transform: translateX(0%);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* 斜線ディバイダー */
.diagonal-divider {
    position: relative;
    height: 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.diagonal-divider.reverse {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

.diagonal-shape {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    transform: skewY(-3deg);
    transform-origin: top left;
}

.diagonal-divider.reverse .diagonal-shape {
    transform: skewY(3deg);
    transform-origin: top right;
}

@keyframes underlineGlow {
    0% {
        box-shadow: 0 0 5px rgba(251, 191, 36, 0.3);
        transform: scaleX(0.8);
    }
    100% {
        box-shadow: 0 0 20px rgba(251, 191, 36, 0.8);
        transform: scaleX(1);
    }
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-top: 2rem;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: .3s;
    display: inline-block;
    text-align: center;
    border: none;
    cursor: pointer;
    position: relative;
    /* 参考コード準拠の押し込みエフェクト */
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.3);
}

.btn:hover {
    box-shadow: unset;
    transform: translate(4px, 4px);
}



.btn-primary {
    background: #fc7979;
    color: white;
    border: 2px solid #fc7979;
    font-size: 1.2rem;
    padding: 1rem 2.5rem;
    font-weight: 600;
    /* プライマリボタン用のシャドウ */
    box-shadow: 5px 5px 0px rgba(252, 121, 121, 0.5);
}

.btn-primary:hover {
    background: #e86d6d;
    border-color: #e86d6d;
    box-shadow: unset;
    transform: translate(4px, 4px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    /* セカンダリボタン用のシャドウ */
    box-shadow: 5px 5px 0px rgba(255, 255, 255, 0.2);
}

.btn-dark {
    background: #f70217;
    color: white;
    border: 2px solid #374151;
    font-size: 1.1rem;
    padding: 1rem 2rem;
    font-weight: 600;
    /* ダークボタン用のシャドウ */
    box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.3);
}

.btn-dark:hover {
    background: #f70217;
    border-color: #4b5563;
    box-shadow: unset;
    transform: translate(4px, 4px);
}

/* Hero section specific override: make the second button black */
.hero .btn-dark {
    background: #000;
    border-color: #000;
}

.hero .btn-dark:hover {
    background: #111827;
    border-color: #111827;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
    box-shadow: unset;
    transform: translate(4px, 4px);
}

.hero-image {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-left: 2rem;
}

.hero-graphic {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-graphic::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(251, 191, 36, 0.1), transparent);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
    z-index: -1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-10px) rotate(1deg);
    }
    50% {
        transform: translateY(-20px) rotate(0deg);
    }
    75% {
        transform: translateY(-10px) rotate(-1deg);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* セクション共通 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #6b7280;
}

/* サービスセクション */
.services {
    padding: 80px 0;
    background-color: #f9fafb;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.service-card p {
    color: #333;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: left;
    max-width: 80%;
    margin: 0 auto;
}

.service-features li {
    padding: 0.5rem 0;
    color: #4b5563;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-start;
}

.service-features li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    flex-shrink: 0;
    width: 16px;
    text-align: center;
}

/* 利点セクション */
.benefits {
    padding: 80px 0;
    background-color: #fff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.benefit-icon i {
    font-size: 1.8rem;
    color: white;
}

.benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.benefit-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* ポートフォリオセクション */
.portfolio {
    padding: 80px 0;
    background-color: #f8fafc;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.portfolio-image {
    height: 160px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.portfolio-image i {
    font-size: 3rem;
    color: white;
    opacity: 0.9;
}

.portfolio-icon-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    transition: all 0.4s ease;
}

.portfolio-item {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: linear-gradient(45deg, rgba(37, 99, 235, 0.1), rgba(251, 191, 36, 0.1), rgba(16, 185, 129, 0.1));
    filter: blur(20px);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover::before {
    opacity: 1;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.portfolio-item:hover .portfolio-icon-image {
    transform: scale(1.05);
}

.portfolio-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.portfolio-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
    max-width: 80%;
}

.portfolio-category {
    font-size: 0.9rem;
    color: #667eea;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.portfolio-content p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    max-width: 90%;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background-color: #f3f4f6;
    color: #374151;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
}

.tag:hover {
    background-color: #667eea;
    color: white;
    border-color: #667eea;
}

/* 料金セクション */
.pricing {
    padding: 100px 0;
    background: #fff;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.15);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.pricing-card.featured {
    background: linear-gradient(135deg, rgba(255, 0, 150, 0.08), rgba(0, 150, 255, 0.08));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 0, 0, 0.2);
    transform: scale(1.05);
    position: relative;
    color: #333;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    opacity: 1;
    overflow: hidden;
    cursor: pointer;
}

.pricing-card.featured::before {
    background-color: #fff;
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: cubic-bezier(0.32, 0, 0.67, 0);
    border-radius: inherit;
    z-index: 1;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    transform: translateX(-100%);
}

.pricing-card.featured:hover::before {
    animation: kiran 0.5s linear;
}

.recommended-badge {
    position: absolute;
    top: 10px;
    right: 5px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
    z-index: 20;
    transform: rotate(12deg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: rotate(15deg) scale(1);
    }
    50% {
        transform: rotate(15deg) scale(1.05);
    }
    100% {
        transform: rotate(15deg) scale(1);
    }
}

.pricing-header h3 {
    color: #333;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.price {
    margin: 1.5rem 0;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
}

.period {
    font-size: 1rem;
    color: #6b7280;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    color: #374151;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '✓';
    color: #667eea;
    font-weight: bold;
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

/* オプションメニューセクション */
.options {
    padding: 100px 0;
    background: #f8fafc;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.option-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e0e0e0;
}

.option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.option-header {
    background: linear-gradient(135deg, #a8b5c8, #8fa3b8);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

.option-header h3 {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.option-content {
    padding: 2rem;
    text-align: center;
}

.option-content h4 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.4;
    font-weight: 500;
}

.option-price {
    margin: 1.5rem 0;
}

.option-price .amount {
    font-size: 2.2rem;
    font-weight: 700;
    color: #a8b5c8;
}

.option-price .currency {
    color: #666;
    margin-left: 0.3rem;
    font-size: 1.1rem;
}

.option-description {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 1rem;
}

.options-note {
    margin-top: -50px; /* move up by 50px */
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
}

.options-note p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    text-align: center;
}

/* 特徴セクション */
.features {
    padding: 80px 0;
    background-color: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-item p {
    color: #6b7280;
}

/* お問い合わせセクション */
.contact {
    padding: 80px 0;
    background-color: #f9fafb;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: stretch;
}

/* 会社情報スタイル - シンプルデザイン */
.company-info {
    background: #667eea;
    padding: 2rem;
    border-radius: 16px;
    color: white;
}

.company-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    text-align: center;
}

.company-details {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
    z-index: 2;
}

.company-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.company-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.company-item i {
    color: #fbbf24;
    font-size: 1.3rem;
    margin-top: 0.2rem;
    min-width: 22px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.company-item div {
    flex: 1;
}

.company-item strong {
    color: white;
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.company-item div:not(strong) {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

/* お問い合わせフォームセクション - モダンIT風デザイン */
.contact-form-section {
    background: #667eea;
    padding: 0.5rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: auto;
    min-height: auto;
}

.contact-form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.contact-form-section h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: 15px;
}

.contact-form-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.7;
    font-size: 1.05rem;
    position: relative;
    z-index: 2;
}

.google-form-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    background: #fc7979;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid #fc7979;
    border-radius: 12px;
    font-weight: 600;
    transition: .3s;
    position: relative;
    box-shadow: 5px 5px 0px rgba(252, 121, 121, 0.5);
}

.google-form-btn:hover {
    background: #e86d6d;
    border-color: #e86d6d;
    box-shadow: unset;
    transform: translate(4px, 4px);
}

.google-form-btn i {
    font-size: 1rem;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

/* 古いフォーム関連のCSSは削除済み */

/* フッター */
.footer {
    background-color: white;
    color: #333;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #fbbf24;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #fbbf24;
}

.btn-outline {
    background-color: #fc7979;
    color: white !important;
    border: 2px solid #fc7979;
    padding: 10px 20px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    display: inline-block !important;
    transition: all 0.2s ease-in-out !important;
    position: relative !important;
    top: 0 !important;
    left: 0 !important;
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.3) !important;
}

.btn-outline:hover {
    background-color: #e86d6d;
    color: white;
    box-shadow: unset !important;
    transform: translate(3px, 3px) !important;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-buttons {
        justify-content: center;
    }

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

    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .company-item {
        padding: 1rem;
        flex-direction: row;
        align-items: flex-start;
    }

    .company-item i {
        min-width: 18px;
        font-size: 1.1rem;
    }

    .contact-form-section {
        padding: 1.5rem;
    }

    .hero-graphic {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .service-card {
        padding: 1.5rem;
    }
}

/* アニメーション */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.feature-item {
    animation: fadeInUp 0.6s ease forwards;
}

/* スクロール時のスムーズな動作 */
html {
    scroll-behavior: smooth;
}

/* ローディング状態 */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2563eb;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 改善例セクション */
.before-after {
    padding: 80px 0;
    background-color: white;
}

.before-after .section-title {
    text-align: center;
    margin-bottom: 60px;
    margin-left: -20px;
}

.before-after-grid {
    display: grid;
    grid-template-columns: auto 3rem auto 3rem auto 3rem auto;
    gap: 0;
    max-width: 1800px;
    margin: 0 auto;
    align-items: center;
    padding: 0 50px;
    justify-items: center;
    place-items: center;
    justify-content: center;
}

.simple-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    width: 337px;
    height: 225px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.simple-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    border-radius: 16px;
    transition: all 0.4s ease;
    background: white;
}

/* 動画カード用スタイル */
.video-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 16px;
    transition: all 0.4s ease;
    background: #f5f5f5;
}

.video-card:hover video {
    transform: scale(1.02);
}

.simple-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    width: 337px;
    height: 225px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.simple-card::before {
    content: '';
    position: absolute;
    top: -15px;
    left: -15px;
    right: -15px;
    bottom: -15px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    filter: blur(25px);
}

.simple-card.before::before {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.3), rgba(239, 68, 68, 0.1));
}

.simple-card.after::before {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.3), rgba(16, 185, 129, 0.1));
}

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

.simple-card:hover img {
    transform: scale(1.02);
}

.simple-card:hover {
transform: translateY(-8px);
box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.simple-card.before {
border: 3px solid #ef4444;
background: linear-gradient(135deg, #fef2f2, #ffffff);
}

.simple-card.after {
    border: 3px solid #10b981;
    background: linear-gradient(135deg, #f0fdf4, #ffffff);
}

.arrow-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
}

.spacer {
    width: 8rem;
    height: 1px;
}

.card-spacer {
    width: 3rem;
    height: 1px;
}

.arrow-icon {
    background: #fbbf24;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.3);
    transition: all 0.3s ease;
}

.arrow-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.4);
}

/* モーダル機能 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: relative;
    width: 1000px;
    height: 600px;
    max-width: 90vw;
    max-height: 90vh;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: zoomIn 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.modal-content img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    object-position: center;
    border-radius: 0;
    background: white;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: #dc2626;
    transform: scale(1.1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { 
        opacity: 0;
        transform: scale(0.5);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

/* レスポンシブ対応 */
@media (max-width: 900px) {
    .before-after-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        padding: 0 15px;
    }
    
    .simple-card {
        width: 100%;
        max-width: 250px;
    }
    
    .arrow-container {
        display: none;
    }
    
    .spacer {
        display: none;
    }
}

@media (max-width: 768px) {
    .before-after-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .simple-card {
        aspect-ratio: 16/9;
        min-height: 150px;
        width: 100%;
        max-width: none;
    }
}