/* ==============================================
   IEJ Travel Consultant - Premium Website Styles
   和の高級感を演出するデザイン
   ============================================== */

/* リセット & ベーススタイル */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット：和の高級感 */
    --primary-gold: #c9a961;
    --dark-navy: #1a1a2e;
    --soft-black: #2a2a2a;
    --elegant-gray: #5a5a5a;
    --light-cream: #f8f6f1;
    --white: #ffffff;
    --accent-red: #8b0000;
    --subtle-border: rgba(201, 169, 97, 0.3);
    
    /* タイポグラフィ */
    --font-ja: 'Noto Serif JP', serif;
    --font-en: 'Playfair Display', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--soft-black);
    line-height: 1.8;
    background-color: var(--light-cream);
    overflow-x: hidden;
}

/* タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-ja);
    font-weight: 600;
    line-height: 1.4;
    color: var(--dark-navy);
}

.en h1, .en h2, .en h3, .en h4, .en h5, .en h6 {
    font-family: var(--font-en);
}

/* ヘッダー */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    padding: 0 3%;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
    max-width: 1600px;
    margin: 0 auto;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 190px !important;
    width: auto;
    object-fit: contain;
    background: transparent;
    padding: 0;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links li {
    white-space: nowrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--elegant-gray);
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    display: block;
    padding: 0.5rem 0;
}

.nav-links a:hover {
    color: var(--primary-gold);
}

.lang-switch {
    padding: 0.5rem 1.2rem;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-size: 0.9rem;
}

.lang-switch:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.3);
}

/* ハンバーガーメニュー */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-navy);
    transition: all 0.3s ease;
}

/* ヒーローセクション */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #2a2a3e 100%);
    overflow: hidden;
    margin-bottom: 0;
    padding-top: 200px;
}

.hero::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 1200 800"><defs><pattern id="pattern" x="0" y="0" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M50,0 L50,100 M0,50 L100,50" stroke="rgba(201,169,97,0.1)" stroke-width="1" fill="none"/></pattern></defs><rect width="1200" height="800" fill="url(%23pattern)"/></svg>');
    opacity: 0.3;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(to bottom, transparent, var(--light-cream));
    z-index: 1;
}

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 900px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: 3.5rem;
    color: white;
    margin-bottom: 1.5rem;
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--primary-gold);
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.3);
    letter-spacing: 1px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(201, 169, 97, 0.5);
}

/* セクション共通スタイル */
section {
    padding: 8rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    background: var(--light-cream);
}

section#about {
    padding-top: 10rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-navy);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-gold), transparent);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--elegant-gray);
    margin-bottom: 4rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Aboutセクション */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

/* About ヘッダーボックス */
.about-header-box {
    background: linear-gradient(135deg, #f8f6f1 0%, #ffffff 100%);
    padding: 2rem 2.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px rgba(201, 169, 97, 0.25);
    border-left: 5px solid var(--primary-gold);
    border: 3px solid var(--primary-gold);
    position: relative;
    overflow: hidden;
}

.about-header-box::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(201, 169, 97, 0.15), transparent);
}

.about-header-box h3 {
    font-size: 2rem;
    margin-bottom: 0.8rem;
    color: var(--dark-navy);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.about-tagline {
    color: var(--primary-gold);
    font-size: 1rem;
    font-weight: 600;
    margin: 0 !important;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

/* About 説明文 */
.about-description {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(201, 169, 97, 0.2);
}

.about-description p {
    margin-bottom: 1.2rem;
    line-height: 1.9;
    color: var(--elegant-gray);
}

.about-description p:last-child {
    margin-bottom: 0;
}

/* 会社情報ボックス */
.company-info-box {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(201, 169, 97, 0.05));
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid var(--primary-gold);
    box-shadow: 0 8px 30px rgba(201, 169, 97, 0.15);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.2);
}

.info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-item i {
    font-size: 2rem;
    color: var(--primary-gold);
    min-width: 40px;
    text-align: center;
}

.info-item > div {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.info-label {
    font-size: 0.85rem;
    color: var(--elegant-gray);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1.1rem;
    color: var(--dark-navy);
    font-weight: 700;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--dark-navy);
}

.about-text p {
    margin-bottom: 1.2rem;
    line-height: 1.9;
    color: var(--elegant-gray);
}

.about-image {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

/* 代表者紹介セクション */
.representative-section {
    background: white;
    padding: 8rem 5% !important;
}

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

.representative-content {
    display: block;
    margin-top: 3rem;
}

/* 代表者ヘッダー（写真、名前、会社情報） */
.representative-header {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    align-items: start;
}

.representative-image {
    position: relative;
}

.representative-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.representative-title-card {
    position: static;
    margin-top: 1.5rem;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.representative-title-card h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    font-family: var(--font-ja);
}

.en .representative-title-card h3 {
    font-family: var(--font-en);
}

.representative-title-card .title-en {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.representative-title-card .title-position {
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.representative-bio {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

/* 会社情報ボックスは左側に配置 */
.representative-header .company-info-box {
    margin-bottom: 0;
}

/* プロフィールと経歴は2カラム */
.bio-section.profile,
.bio-section.career {
    /* 2カラムレイアウトに配置 */
}

/* ビジョンと専門分野はフル幅 */
.bio-section.vision,
.bio-section.expertise {
    grid-column: span 2;
}

.bio-section {
    background: var(--light-cream);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--primary-gold);
}

.bio-section h4 {
    color: var(--dark-navy);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.bio-section h4 i {
    color: var(--primary-gold);
    font-size: 1.4rem;
}

.bio-section p {
    color: var(--elegant-gray);
    line-height: 1.9;
    font-size: 1rem;
}

.bio-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bio-list li {
    color: var(--elegant-gray);
    line-height: 1.9;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.bio-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-gold);
    font-weight: 700;
    font-size: 1.2rem;
}

.bio-list li strong {
    color: var(--dark-navy);
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1rem;
}

.expertise-tags .tag {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: white;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.expertise-tags .tag:hover {
    background: var(--primary-gold);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.3);
}

/* 強みセクション */
.strengths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.strength-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--subtle-border);
}

.strength-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.strength-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-gold);
}

.strength-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

.strength-card p {
    color: var(--elegant-gray);
    line-height: 1.8;
}

/* 実績セクション */
.achievements {
    background: white;
    border-radius: 20px;
    padding: 5rem;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.1);
}

.achievement-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.achievement-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.achievement-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.achievement-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95), rgba(26, 26, 46, 0.7));
    padding: 2rem;
    color: white;
    transform: translateY(calc(100% - 4.5rem));
    transition: transform 0.3s ease;
}

.achievement-item:hover .achievement-overlay {
    transform: translateY(0);
}

.achievement-overlay h4 {
    color: var(--primary-gold);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.achievement-overlay p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #ffffff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* プロセスセクション */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -1.5rem;
    top: 2rem;
    font-size: 2rem;
    color: var(--primary-gold);
}

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

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 5px 20px rgba(201, 169, 97, 0.3);
}

.process-step h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--dark-navy);
}

.process-step p {
    color: var(--elegant-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* コンタクトセクション */
.contact {
    background: linear-gradient(135deg, var(--dark-navy), #2a2a3e);
    color: white;
    border-radius: 20px;
    padding: 5rem;
    text-align: center;
}

.contact .section-title {
    color: white;
}

.contact .section-title::after {
    background: linear-gradient(90deg, transparent, white, transparent);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.contact-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-item h4 {
    color: var(--primary-gold);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.contact-item h4 i {
    font-size: 1.3rem;
}

.contact-item p {
    line-height: 1.8;
    font-size: 0.95rem;
}

.contact-social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 0.5rem;
}

.contact-social-links a {
    width: 45px;
    height: 45px;
    background: rgba(201, 169, 97, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1.3rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(201, 169, 97, 0.3);
}

.contact-social-links a:hover {
    background: var(--primary-gold);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.4);
}

/* コンタクトセクション - 代表者情報 */
.contact-item.representative-item {
    grid-column: span 2;
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.2), rgba(201, 169, 97, 0.1));
    border: 2px solid var(--primary-gold);
    padding: 2.5rem 2rem;
}

.contact-item.representative-item:hover {
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.25), rgba(201, 169, 97, 0.15));
    border-color: #d4af70;
}

.representative-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 1rem;
    justify-content: center;
}

.representative-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-gold);
    box-shadow: 0 8px 25px rgba(201, 169, 97, 0.5);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.representative-photo:hover {
    transform: scale(1.08);
}

.representative-text {
    text-align: left;
}

.rep-name-en {
    font-size: 1.3rem;
    font-weight: 600;
    color: white;
    margin-bottom: 0.4rem;
    display: block;
}

.rep-name-ja {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-gold);
    margin-bottom: 0.5rem;
    display: block;
}

.rep-title {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    display: block;
}

/* お問い合わせフォーム */
.contact-form-wrapper {
    margin-top: 5rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.form-title {
    text-align: center;
    font-size: 2rem;
    color: var(--dark-navy);
    margin-bottom: 1rem;
    font-family: var(--font-ja);
}

.en .form-title {
    font-family: var(--font-en);
}

.form-subtitle {
    text-align: center;
    color: var(--elegant-gray);
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.form-group label {
    color: var(--dark-navy);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: var(--primary-gold);
}

.required {
    color: #dc3545;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 2px solid rgba(201, 169, 97, 0.2);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
    background: white;
    color: var(--soft-black);
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23c9a961" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
    padding-right: 3rem;
}

.checkbox-group {
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--soft-black);
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary-gold);
}

.form-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.submit-button {
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(201, 169, 97, 0.3);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(201, 169, 97, 0.5);
}

.submit-button:active {
    transform: translateY(-1px);
}

.form-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    display: none;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* フッター */
footer {
    background: var(--dark-navy);
    color: white;
    padding: 3rem 5%;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
    margin-top: 1.5rem;
    padding: 0 1rem;
}

.footer-links a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1rem;
    white-space: nowrap;
    padding: 0.3rem 0.5rem;
}

.footer-links a:hover {
    color: white;
}

/* SNSリンク */
.footer-social {
    margin-bottom: 2rem;
}

.footer-social h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-gold), #d4af70);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(201, 169, 97, 0.3);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(201, 169, 97, 0.5);
    background: linear-gradient(135deg, #d4af70, var(--primary-gold));
}

.social-links a i {
    transition: transform 0.3s ease;
}

.social-links a:hover i {
    transform: scale(1.2);
}

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

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

/* レスポンシブデザイン */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-header-box {
        padding: 1.5rem 2rem;
    }
    
    .about-header-box h3 {
        font-size: 1.6rem;
    }
    
    .company-info-box {
        padding: 1.5rem;
    }
    
    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .representative-header {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .representative-bio {
        grid-template-columns: 1fr;
    }
    
    .representative-image img {
        height: 350px;
    }
    
    .achievement-showcase {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-step::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-right {
        gap: 1rem;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        gap: 1.5rem;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem;
        font-size: 1.1rem;
    }
    
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 10rem 2rem 6rem;
    }
    
    .hero::after {
        height: 100px;
    }
    
    section#about {
        padding-top: 6rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    section {
        padding: 4rem 5%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .achievement-showcase {
        gap: 1.5rem;
    }
    
    .contact {
        padding: 3rem 2rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-item.representative-item {
        grid-column: span 1;
    }
    
    .representative-info {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .representative-section {
        padding: 6rem 5% !important;
    }
    
    .representative-header {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .representative-bio {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .representative-image img {
        height: 300px;
    }
    
    .bio-section.vision,
    .bio-section.expertise {
        grid-column: span 1;
    }
    
    .representative-text {
        text-align: center;
    }
    
    .representative-photo {
        width: 100px;
        height: 100px;
    }
    
    .rep-name-ja {
        font-size: 1.3rem;
    }
    
    .rep-name-en {
        font-size: 1.1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .representative-section {
        padding: 4rem 5% !important;
    }
    
    .representative-image img {
        height: 350px;
    }
    
    .representative-title-card {
        bottom: -20px;
    }
    
    .bio-section {
        padding: 1.5rem;
    }
    
    .expertise-tags .tag {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
    
    .footer-links {
        gap: 1rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .footer-links a {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    header {
        padding: 0 5%;
    }
    
    nav {
        padding: 0;
    }
    
    .logo img {
        height: 120px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }
    
    .cta-button {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .strength-card,
    .contact-item {
        padding: 1.5rem;
    }
    
    .form-title {
        font-size: 1.5rem;
    }
    
    .submit-button {
        width: 100%;
        justify-content: center;
    }
}