@charset "UTF-8";

/* ==========================================================================
   CSS Variables & Settings (Consulting Firm Style)
   ========================================================================== */
:root {
    --primary-color: #17324D; /* 濃紺：誠実、堅実 */
    --primary-hover: #0F2336;
    --accent-color: #B48A3C;  /* ゴールド：上品な強調 */
    --text-main: #1F2933;     /* 墨黒：視認性の高いテキスト */
    --text-light: #616E7C;
    --bg-main: #FFFFFF;       /* 白 */
    --bg-light: #F7F7F4;      /* アイボリー：落ち着き */
    --border-color: #D9DEE3;  /* 薄いグレー：控えめな境界線 */
    --font-family: 'Noto Sans JP', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    --container-width: 1000px; /* 横幅を広げすぎず読みやすく */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.8;
    letter-spacing: 0.03em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    opacity: 0.7;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Utility
   ========================================================================== */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.section-header {
    margin-bottom: 3rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.5;
}

.sp-only {
    display: none;
}

.note {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: #FFFFFF;
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #FFFFFF;
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.125rem;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #FFFFFF;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    background-color: var(--bg-main);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    display: flex;
    flex-direction: column;
    color: var(--primary-color);
}

.logo-company {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: 2px;
}

.logo-service {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--text-main);
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-cta-mobile {
    display: none;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger .bar {
    display: block;
    width: 24px;
    height: 2px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--text-main);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    padding: 160px 0 100px;
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.hero-left {
    flex: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.micro-copy {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 12px;
    line-height: 1.6;
}

/* 実務的プロセス図（右側） */
.hero-right {
    flex: 0 0 400px;
}

.flow-box {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 40px;
}

.flow-box-title {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.process-flow {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
}

.process-flow::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background-color: var(--border-color);
    z-index: 0;
}

.process-item {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
}

.process-num {
    width: 32px;
    height: 32px;
    background-color: var(--bg-main);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.process-text {
    font-weight: 500;
    font-size: 1.05rem;
}

/* ==========================================================================
   Page Headers (Subpages)
   ========================================================================== */
.page-header {
    padding: 160px 0 80px;
    background-color: var(--bg-light);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 16px;
}

.page-desc {
    font-size: 1rem;
    color: var(--text-light);
}

/* ==========================================================================
   Image Placeholders (画像仮枠)
   ========================================================================== */
.img-placeholder {
    width: 100%;
    background-color: #E2E8F0;
    border: 1px dashed #94A3B8;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #475569;
    text-align: center;
    padding: 24px;
    border-radius: 4px;
}

.img-placeholder-text span {
    display: block;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 8px;
}

.img-placeholder-text small {
    display: block;
    font-size: 0.85rem;
    font-weight: normal;
}

/* ==========================================================================
   Sections (Pain Points, Solutions, Use Cases)
   ========================================================================== */
/* 課題リスト */
.pain-list-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.pain-list {
    border-top: 1px solid var(--border-color);
}

.pain-list li {
    padding: 24px 0 24px 32px;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    font-size: 1.05rem;
}

.pain-list li::before {
    content: "■";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 0.8rem;
    top: 28px;
}

/* 解決策 */
.solution-layout {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 900px;
    margin: 0 auto;
}

.solution-image {
    flex: 1;
}

.solution-image .img-placeholder {
    aspect-ratio: 4 / 3;
}

.solution-text {
    flex: 1;
    font-size: 1.05rem;
}

/* カード (Use cases) */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    padding: 32px;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--primary-color);
    display: flex;
    flex-direction: column;
}

.card-accent {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 8px;
    font-family: Arial, sans-serif;
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */
.table-responsive {
    overflow-x: auto;
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-main);
    border: 1px solid var(--border-color);
}

.compare-table th, .compare-table td {
    padding: 20px;
    border: 1px solid var(--border-color);
    text-align: left;
    vertical-align: middle;
}

.compare-table th {
    background: var(--bg-light);
    font-weight: 500;
    color: var(--text-light);
}

.compare-table .highlight-th {
    background: var(--primary-color);
    color: #FFFFFF;
}

.compare-table .highlight-td {
    font-weight: 500;
    color: var(--primary-color);
    background-color: rgba(23, 50, 77, 0.02);
}

/* ==========================================================================
   Services
   ========================================================================== */
.service-card {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.service-header {
    padding: 32px 32px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

.service-step {
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 8px;
}

.service-title {
    font-size: 1.25rem;
    color: var(--primary-color);
    line-height: 1.4;
}

.service-subtitle {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: normal;
}

.service-desc {
    padding: 24px 32px;
    flex-grow: 1;
}

.service-price {
    padding: 24px 32px 32px;
    font-size: 1rem;
}

.service-price strong {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.price-note {
    font-size: 0.85rem;
    color: var(--text-light);
}

/* ==========================================================================
   Security & Profile
   ========================================================================== */
.security-box {
    max-width: 800px;
    margin: 0 auto;
    border-left: 4px solid var(--primary-color);
    padding: 0 0 0 32px;
}

.security-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 16px;
}

/* プロフィール（画像なしレイアウト） */
.profile-layout.no-image {
    max-width: 680px;
    margin: 0 auto;
    display: block;
    text-align: center;
}

.profile-layout.no-image .profile-name {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 24px;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 16px;
}

.profile-en {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: normal;
}

.profile-layout.no-image p {
    text-align: left;
    margin-bottom: 16px;
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    padding: 24px 0;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
    padding-left: 32px;
}

.faq-question::before {
    content: "Q.";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.faq-answer {
    padding: 0 0 24px 32px;
    color: var(--text-main);
}

/* ==========================================================================
   CTA & Philosophy & Footer
   ========================================================================== */
.cta-section {
    background-color: var(--primary-color);
    color: #FFFFFF;
    padding: 100px 0;
}

.cta-title {
    font-size: 1.75rem;
    margin-bottom: 24px;
    color: #FFFFFF;
}

.cta-desc {
    font-size: 1.05rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-action .btn-primary {
    background-color: #FFFFFF;
    color: var(--primary-color);
}

.cta-action .btn-primary:hover {
    background-color: var(--bg-light);
}

.philosophy-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 0;
}

.philosophy-title {
    font-size: 1.25rem;
    margin-bottom: 32px;
    letter-spacing: 0.1em;
}

.philosophy-image {
    margin-bottom: 32px;
}

.banner-placeholder {
    aspect-ratio: 21 / 9;
}

.footer {
    background-color: #111820; /* 漆黒に近い紺 */
    color: #F7F7F4;
    padding: 80px 0 24px;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.footer-service {
    color: #8C9BAB;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.footer-links a {
    color: #D9DEE3;
    display: block;
    margin-bottom: 16px;
}

.footer-links a:hover {
    color: #FFFFFF;
}

.footer-statement {
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    margin-bottom: 24px;
    color: #8C9BAB;
    font-size: 0.85rem;
}

.footer-bottom {
    text-align: center;
    color: #616E7C;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-main);
    padding: 60px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 32px;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.form-label .required {
    color: #FFFFFF;
    background-color: #D32F2F;
    font-size: 0.75rem;
    margin-left: 12px;
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: normal;
}

.form-label .optional {
    color: var(--text-light);
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
    margin-left: 12px;
    padding: 2px 8px;
    border-radius: 2px;
    font-weight: normal;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-main);
    background-color: #FAFAFA;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--bg-main);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231F2933' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.radio-group, .checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 8px;
}

.radio-label, .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.privacy-consent {
    margin: 48px 0 40px;
    text-align: center;
    padding: 32px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
}

.form-submit {
    text-align: center;
}

/* ==========================================================================
   Privacy Policy Text Area
   ========================================================================== */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h3 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin: 40px 0 16px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.legal-content p, .legal-content ul {
    margin-bottom: 24px;
}

.legal-content ul {
    padding-left: 24px;
    list-style-type: disc;
}

/* ==========================================================================
   Media Queries (Mobile)
   ========================================================================== */
@media (max-width: 768px) {
    .sp-only {
        display: block;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .page-title {
        font-size: 1.75rem;
    }

    /* Header & Nav */
    .header-cta {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--bg-main);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        border-bottom: 1px solid var(--border-color);
        padding: 32px 0;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 24px;
        margin-bottom: 32px;
    }

    .nav-cta-mobile {
        display: block;
    }

    /* Hero */
    .hero {
        padding: 120px 0 60px;
    }

    .hero-container {
        flex-direction: column;
        gap: 40px;
    }

    .hero-right {
        flex: auto;
        width: 100%;
    }

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

    /* Grids & Layouts */
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .solution-layout {
        flex-direction: column;
        gap: 32px;
    }

    .solution-image, .solution-text {
        width: 100%;
    }

    .profile-layout.no-image {
        padding: 0 16px;
    }

    /* Forms */
    .form-container, .flow-box {
        padding: 24px;
    }

    .radio-group, .checkbox-group {
        flex-direction: column;
        gap: 16px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }
}