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

body {
    font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* ページヘッダー（共通ヘッダーとは別） */
.page-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #1f2937;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23a855f7" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="%23a855f7" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="%23a855f7" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="%23a855f7" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="%23a855f7" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.page-header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

/* ロゴポリゴン背景（右側） */
.logo-polygon-bg {
    position: absolute;
    right: 0;
    top: 0;
    width: 50%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pentagon-logo {
    width: 250px;
    height: 250px;
    position: relative;
    animation: logoRotate 30s linear infinite;
}

.pentagon-shape {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        #ff6b6b 0%, 
        #4ecdc4 25%, 
        #45b7d1 50%, 
        #96ceb4 75%, 
        #ffeaa7 100%);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    opacity: 0.3;
    position: relative;
}

/* 内側に小さなポリゴンを配置 */
.inner-pentagon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, 
        #a855f7 0%, 
        #ec4899 50%, 
        #06b6d4 100%);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    opacity: 0.4;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: #1f2937;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.tagline {
    font-size: 1.3rem;
    color: #a855f7;
    font-weight: 600;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.statement {
    font-size: 1.1rem;
    color: #4b5563;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.4s both;
}

/* セクション共通スタイル */
.section {
    padding: 3rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: bold;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #a855f7, #ec4899);
    border-radius: 2px;
}

/* 代表挨拶セクション */
.message-section {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 4rem;
}

.message-content {
    padding: 4rem;
}

.message-text {
    font-size: 1.1rem;
    line-height: 2;
    color: #374151;
    text-align: justify;
    max-width: 900px;
    margin: 0 auto;
}

/* Mission & Visionセクション */
.mission-vision-container {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 3rem;
}

.mission-section, .vision-section {
    background: white;
    padding: 4rem 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.mission-section:hover, .vision-section:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.mission-section::before, .vision-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #a855f7, #ec4899, #06b6d4);
}

.mv-label {
    font-size: 1.1rem;
    color: #a855f7;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.mv-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 2rem;
}

.mv-description {
    font-size: 2rem;
    color: #4b5563;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    font-style: italic;
    font-family: serif;
}

/* Valuesセクション */
.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-top: 3rem;
}

.value-item {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border-left: 5px solid #a855f7;
}

.value-item:hover {
    transform: translateX(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.value-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.value-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    margin-right: 1rem;
    flex-shrink: 0;
}

.value-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: #1f2937;
    margin: 0;
}

.value-description {
    font-size: 1rem;
    color: #4b5563;
    line-height: 1.8;
}

/* 会社概要セクション */
.company-info-section {
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 3rem;
}

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

.info-item {
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    border-radius: 10px;
    background: #f8fafc;
    transition: all 0.3s ease;
}

.info-item:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
}

.info-item.full-width {
    grid-column: 1 / -1;
}

.info-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #a855f7;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 1.1rem;
    color: #1f2937;
    font-weight: 500;
    line-height: 1.6;
}

/* メンバー紹介セクション */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.member-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.member-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #a855f7, #ec4899);
}

.member-photo {
    width: 200px;
    height: 250px;
    border-radius: 5%;
    object-fit: cover;
    margin: 0 auto 2rem;
    border: 4px solid #f1f5f9;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.member-card:hover .member-photo {
    transform: scale(1.05);
    border-color: #a855f7;
}

.member-info {
    position: relative;
    z-index: 10;
}

.member-position {
    font-size: 0.9rem;
    color: #a855f7;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.member-name {
    font-size: 1.8rem;
    font-weight: bold;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.member-name-en {
    font-size: 1rem;
    color: #6b7280;
    font-style: italic;
    margin-bottom: 1.5rem;
}

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

.member-polygon {
    position: absolute;
    opacity: 0.05;
    animation: gentleFloat 25s ease-in-out infinite;
}

.member-polygon-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    right: 15%;
    background: #a855f7;
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    animation-delay: 0s;
}

.member-polygon-2 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 15%;
    background: #ec4899;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation-delay: 5s;
}

.member-polygon-3 {
    width: 70px;
    height: 70px;
    top: 25%;
    right: 20%;
    background: #06b6d4;
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
    animation-delay: 2s;
}

.member-polygon-4 {
    width: 50px;
    height: 50px;
    bottom: 25%;
    left: 20%;
    background: #10b981;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    animation-delay: 7s;
}

/* CTAセクション */
.cta-section {
    background: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #a855f7;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

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

@keyframes gentleFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

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

/* レスポンシブ */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .statement {
        font-size: 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .message-content {
        padding: 2rem;
    }

    .message-text {
        font-size: 1rem;
        max-width: 100%;
    }

    .mission-section, .vision-section {
        padding: 2.5rem 2rem;
    }

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

    .mv-description {
        font-size: 1.1rem;
    }

    .value-item {
        padding: 2rem;
    }

    .company-info-section {
        padding: 2rem;
    }

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

    .cta-content h2 {
        font-size: 2rem;
    }
}