/* ========================================
   hitoba-office完全再現版
   ======================================== */

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

:root {
    --color-primary: #2c2c2c;
    --color-footer: #0D223F;
    --color-nav: #0D223F;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #ffffff;
    --color-bg-gray: #f8f8f8;
    --color-border: #e5e5e5;
    --color-accent: #8b7355;
    
    --font-primary: 'Noto Sans JP', sans-serif;
    --font-secondary: 'Noto Serif JP', serif;
    
    --max-width: 1400px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 10rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.8;
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* ========================================
   ナビゲーション - SUMRISE紺色
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-nav);
    transition: background 0.3s ease;
    box-shadow: 0 2px 8px rgba(13, 34, 63, 0.1);
}

.navbar.scrolled {
    background: var(--color-nav);
    box-shadow: 0 2px 8px rgba(13, 34, 63, 0.2);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 126px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.08em;
    transition: opacity 0.3s ease;
}

.navbar.scrolled .nav-link {
    color: var(--color-white);
}

.nav-link:hover {
    opacity: 0.7;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all 0.3s ease;
}

.navbar.scrolled .hamburger span {
    background: var(--color-primary);
}

/* ========================================
   ヒーローセクション - hitoba風
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

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

.slide {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.slide.active {
    display: block;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.7);
}

.fade {
    animation: fade 2s ease;
}

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

/* ヒーローコンテンツ - 左下配置 */
.hero-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    padding: 0 3rem 8rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-text {
    max-width: 650px;
}

.hero-subtitle {
    color: var(--color-white);
    font-size: 13px;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    font-weight: 400;
}

.hero-title {
    color: var(--color-white);
    font-size: 2.6rem;
    font-weight: 500;
    line-height: 1.9;
    letter-spacing: 0.08em;
    font-family: var(--font-secondary);
}

.hero-main {
    font-size: 2.6rem;
    font-weight: 500;
}

.hero-emphasis {
    font-size: 2.6rem;
    font-weight: 500;
    display: inline-block;
}

/* ナビゲーションドット */
.slide-dots {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    display: flex;
    gap: 10px;
    z-index: 3;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot:hover,
.dot.active {
    background: var(--color-white);
}

/* ========================================
   セクション共通
   ======================================== */
.section-white {
    background: var(--color-white);
    padding: var(--spacing-xxl) 0;
}

.section-image-text {
    background: var(--color-bg-gray);
    padding: var(--spacing-xxl) 0;
}

.container-wide {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 3rem;
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: 2rem;
    letter-spacing: 0.08em;
    font-family: var(--font-secondary);
}

.section-description {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-light);
    font-family: var(--font-secondary);
}

.philosophy-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 2rem;
    letter-spacing: 0.08em;
    line-height: 1.8;
    font-family: var(--font-secondary);
}

.philosophy-main {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 2;
    margin-bottom: 3rem;
    letter-spacing: 0.05em;
    font-family: var(--font-secondary);
}

.philosophy-main strong {
    display: block;
    font-weight: 600;
}

.philosophy-sub {
    font-size: 1.05rem;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 3rem;
    font-family: var(--font-secondary);
    font-weight: 400;
}

.philosophy-closing {
    font-size: 1.05rem;
    line-height: 2.2;
    color: var(--color-text);
    margin-bottom: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
    font-family: var(--font-secondary);
    font-weight: 400;
}

.symbol-section {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.symbol-title {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 2rem;
    letter-spacing: 0.08em;
    font-family: var(--font-secondary);
}

/* ========================================
   私たちの理念
   ======================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.value-item {
    text-align: center;
}

.value-number {
    font-size: 1.2rem;
    color: var(--color-accent);
    font-weight: 400;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
    font-family: var(--font-secondary);
}

.value-title {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.08em;
    font-family: var(--font-secondary);
}

.value-text {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-light);
    font-family: var(--font-secondary);
}

/* ========================================
   2カラムレイアウト
   ======================================== */
.two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.two-column-layout.reverse {
    direction: rtl;
}

.two-column-layout.reverse > * {
    direction: ltr;
}

.column-image img {
    width: 100%;
    height: auto;
    display: block;
}

.services-diagram {
    width: 100%;
    background: var(--color-white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.services-diagram svg {
    width: 100%;
    height: auto;
}

.column-title {
    font-size: 2rem;
    font-weight: 400;
    color: var(--color-primary);
    margin-bottom: 3rem;
    letter-spacing: 0.08em;
    font-family: var(--font-secondary);
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.service-item h3 {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.service-item p {
    font-size: 14px;
    line-height: 2;
    color: var(--color-text-light);
}

/* ========================================
   プロフェッショナルチーム
   ======================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

.team-member {
    text-align: center;
}

.team-photo {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 2rem;
    background: var(--color-bg-gray);
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-info {
    text-align: center;
}

.team-name {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.08em;
}

.team-role {
    font-size: 13px;
    color: var(--color-accent);
    margin-bottom: 0.8rem;
    letter-spacing: 0.1em;
    font-weight: 500;
    min-height: 3.2rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
}

.team-specialty {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 1.2rem;
    letter-spacing: 0.05em;
    min-height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
}

.team-message {
    font-size: 13px;
    line-height: 2;
    color: var(--color-text-light);
    text-align: left;
}

/* ========================================
   プロセス（削除予定）
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 3rem;
}

.process-item {
    text-align: center;
}

.process-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 400;
    margin: 0 auto 1.5rem;
    font-family: var(--font-secondary);
}

.process-item h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.process-item p {
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-light);
}

/* ========================================
   代表挨拶
   ======================================== */
.message-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 6rem;
    max-width: 1100px;
    margin: 0 auto;
}

.message-photo {
    text-align: center;
}

.message-photo img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.message-name {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text);
}

.message-name strong {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    display: block;
    margin-top: 0.5rem;
    letter-spacing: 0.08em;
}

.message-text {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.message-text p {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text);
}

.message-greeting {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-primary);
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.message-signature {
    text-align: right;
    font-style: italic;
    color: var(--color-text-light);
    margin-top: 1rem;
}

/* ========================================
   会社概要
   ======================================== */
.company-info {
    max-width: 600px;
}

.info-list {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.5rem 2rem;
    margin-bottom: 3rem;
    align-items: baseline;
}

.info-list dt {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.info-list dd {
    font-size: 15px;
    line-height: 1.9;
    color: var(--color-text);
}

.info-list a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.info-list a:hover {
    opacity: 0.7;
}

.company-tagline {
    font-size: 15px;
    line-height: 2;
    color: var(--color-text-light);
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

/* ========================================
   お問い合わせ
   ======================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-item h4 {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    letter-spacing: 0.08em;
}

.contact-item p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.contact-item a:hover {
    opacity: 0.7;
}

/* フォーム */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

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

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
}

.required {
    color: #c45a5a;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 1px solid var(--color-border);
    background: var(--color-white);
    font-family: var(--font-secondary);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    padding: 1.2rem 4rem;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: opacity 0.3s ease;
    align-self: flex-start;
}

.btn-submit:hover {
    opacity: 0.8;
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background: var(--color-footer);
    color: var(--color-white);
    padding: 5rem 0 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo img {
    height: 210px;
    margin-bottom: 1.5rem;
}

.footer-logo p {
    font-size: 13px;
    line-height: 2;
    opacity: 0.8;
}

.footer-nav h4,
.footer-contact h4 {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.08em;
    opacity: 0.6;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-nav a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 13px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover {
    opacity: 1;
}

.footer-contact p {
    font-size: 13px;
    line-height: 2;
    opacity: 0.8;
}

.footer-bottom {
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    opacity: 0.6;
}

/* ========================================
   レスポンシブ
   ======================================== */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .values-grid,
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .two-column-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: 2rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu .nav-link {
        color: var(--color-text);
    }
    
    /* ヒーロー */
    .hero-content {
        padding: 0 1.5rem 4rem;
        max-width: 100%;
        right: 0;
        left: 0;
    }
    
    .hero-subtitle {
        font-size: 11px;
    }
    
    .hero-title {
        font-size: 1.4rem;
        line-height: 1.8;
    }
    
    .slide-dots {
        right: 1.5rem;
        bottom: 1.5rem;
    }
    
    /* セクションタイトル */
    .section-title {
        font-size: 1.6rem;
    }
    
    .philosophy-main {
        font-size: 1.3rem;
    }
    
    .philosophy-sub,
    .philosophy-closing {
        font-size: 0.95rem;
    }
    
    .symbol-title {
        font-size: 1.4rem;
    }
    
    .philosophy-subtitle {
        font-size: 1.2rem;
    }
    
    /* グリッド */
    .team-grid,
    .values-grid,
    .process-grid,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    /* 代表挨拶 */
    .message-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .message-photo {
        max-width: 200px;
        margin: 0 auto;
    }
    
    .message-text p {
        font-size: 14px;
    }
    
    /* フォーム */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* コンテナ */
    .container-wide {
        padding: 0 1.5rem;
    }
    
    /* サービス図 */
    .services-diagram {
        overflow-x: auto;
    }
    
    .services-diagram svg {
        min-width: 500px;
    }
    
    /* スペーシング */
    :root {
        --spacing-xxl: 4rem;
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .section-white,
    .section-image-text {
        padding: var(--spacing-lg) 0;
    }
}

@media (max-width: 480px) {
    /* ロゴ */
    .logo-img {
        height: 80px;
    }
    
    /* ヒーロー */
    .hero-title {
        font-size: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 10px;
    }
    
    /* セクションタイトル */
    .section-title {
        font-size: 1.4rem;
    }
    
    .philosophy-main {
        font-size: 1.1rem;
    }
    
    .philosophy-sub,
    .philosophy-closing {
        font-size: 0.9rem;
    }
    
    .symbol-title {
        font-size: 1.2rem;
    }
    
    .team-name {
        font-size: 1.1rem;
    }
    
    .team-role {
        font-size: 12px;
    }
    
    .team-specialty {
        font-size: 11px;
    }
    
    .team-message {
        font-size: 12px;
    }
    
    /* コンテナ */
    .container-wide {
        padding: 0 1rem;
    }
    
    /* スペーシング */
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
}