@charset "UTF-8";

/* ==========================================
   DESIGN SYSTEM & VARIABLES
   ========================================== */
:root {
    --color-primary: #1E3A5F;        /* 深みのある知的なスレートブルー（誠実・信頼） */
    --color-primary-light: #F4F7FA;  /* クリーンな超淡いブルーグレー背景 */
    --color-accent: #10B981;         /* 鮮やかでクリーンなエメラルドグリーン（環境・ECO・Verde） */
    --color-accent-dark: #059669;    /* 深みのあるグリーン */
    --color-text-main: #2C3E50;      /* 視認性の高い濃いグレー */
    --color-text-sub: #64748B;       /* サブテキスト用のモダンなグレー */
    --color-white: #FFFFFF;
    --color-border: #E2E8F0;
    
    --font-base: 'Noto Sans JP', sans-serif;
    --font-en: 'Montserrat', sans-serif;
}

/* ==========================================
   BASE STYLES
   ========================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-base);
    color: var(--color-text-main);
    background-color: var(--color-primary-light);
    line-height: 1.8;
    letter-spacing: 0.03em;
}
a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}
a:hover {
    color: var(--color-accent);
}
ul {
    list-style: none;
}
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}
.green-text {
    color: var(--color-accent);
    font-weight: 700;
}
.bg-white {
    background-color: var(--color-white) !important;
}

/* ==========================================
   COMPONENTS / BUTTONS
   ========================================== */
.btn-cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(16, 185, 129, 0.2);
}
.btn-cta:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}
.btn-primary {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
}
.btn-primary:hover {
    background-color: #112540;
    color: var(--color-white);
}
.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 4px;
}
.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}
.btn-white {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 4px;
}
.btn-white:hover {
    background-color: #E2E8F0;
    transform: scale(1.02);
}
.btn-text {
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 4px;
}

/* ==========================================
   HEADER
   ========================================== */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}
.logo img {
    height: 42px;
}
.header-right {
    display: flex;
    align-items: center;
    gap: 40px;
}
.global-nav ul {
    display: flex;
    gap: 25px;
}
.global-nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-main);
    padding: 8px 0;
    position: relative;
}
.global-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}
.global-nav a:hover::after, .global-nav a.current::after {
    width: 100%;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    padding: 70px 0 90px;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-primary-light) 100%);
}
.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 50px;
}
.hero-tag {
    display: inline-block;
    font-family: var(--font-en);
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}
.hero-text h1 {
    font-size: 42px;
    line-height: 1.4;
    color: var(--color-primary);
    margin-bottom: 25px;
}
.hero-text h1 .highlight {
    font-weight: 700;
    background: linear-gradient(transparent 60%, rgba(16, 185, 129, 0.2) 40%);
}
.hero-desc {
    font-size: 16px;
    color: var(--color-text-sub);
    margin-bottom: 35px;
}
.hero-btns {
    display: flex;
    gap: 20px;
}
.hero-visual img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(30, 58, 95, 0.15);
}

/* ==========================================
   SIMULATION CARD BANNER
   ========================================== */
.simulation-banner-section {
    padding: 60px 0;
}
.simulation-card {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}
.sim-text {
    padding: 60px;
}
.sim-text h2 {
    font-size: 28px;
    margin-bottom: 15px;
    line-height: 1.4;
}
.sim-text h2 span {
    color: var(--color-accent);
}
.sim-text p {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 30px;
}
.sim-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================
   SECTION COMMON TITLE
   ========================================== */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title.text-left {
    text-align: left;
    margin-bottom: 0;
}
.section-title .sub {
    font-family: var(--font-en);
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.15em;
    display: block;
    margin-bottom: 10px;
}
.section-title h2 {
    font-size: 28px;
    color: var(--color-primary);
}
.section-title-with-btn {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 40px;
}

/* ==========================================
   STRENGTHS GRID
   ========================================== */
.features-summary {
    padding: 100px 0;
    background-color: var(--color-white);
}
.strength-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}
.strength-item {
    text-align: center;
    padding: 20px;
}
.icon-box {
    width: 70px;
    height: 70px;
    background-color: var(--color-primary-light);
    color: var(--color-accent);
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    border-radius: 50%;
}
.strength-item h3 {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 15px;
}
.strength-item p {
    font-size: 14px;
    color: var(--color-text-sub);
    text-align: justify;
}

/* ==========================================
   WORKS CARD GRID
   ========================================== */
.works-summary {
    padding: 100px 0;
}
.works-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.work-card {
    background-color: var(--color-white);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid var(--color-border);
}
.work-img {
    height: 260px;
    overflow: hidden;
}
.work-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.work-info {
    padding: 30px;
}
.tag-eco {
    display: inline-block;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}
.work-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
}
.work-meta {
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 12px;
}
.work-desc {
    font-size: 14px;
    color: var(--color-text-sub);
}

/* ==========================================
   PAGE COMMON INNER BANNER
   ========================================== */
.page-title-banner {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 55px 0;
    text-align: center;
}
.page-title-banner .en {
    font-family: var(--font-en);
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 700;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 8px;
}
.page-title-banner h1 {
    font-size: 32px;
    margin-bottom: 10px;
}
.page-title-banner p {
    font-size: 14px;
    opacity: 0.8;
}

/* ==========================================
   WORKS DETAIL PAGE (BEFORE / AFTER)
   ========================================== */
.works-detail-section {
    padding: 80px 0;
}
.detail-case-block {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 40px;
    margin-bottom: 60px;
}
.case-header {
    border-left: 4px solid var(--color-accent);
    padding-left: 15px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.case-header h2 {
    font-size: 22px;
    color: var(--color-primary);
}
.case-location {
    font-size: 14px;
    background-color: var(--color-primary-light);
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 500;
}
.before-after-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}
.ba-item {
    position: relative;
}
.label-ba {
    position: absolute;
    top: 15px;
    left: 15px;
    color: var(--color-white);
    font-family: var(--font-en);
    font-weight: 700;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 2px;
}
.label-before { background-color: #718096; }
.label-after { background-color: var(--color-accent); }
.ba-item img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 4px;
}
.ba-caption {
    font-size: 13px;
    color: var(--color-text-sub);
    margin-top: 10px;
}
.case-spec-box {
    background-color: var(--color-primary-light);
    padding: 30px;
    border-radius: 6px;
}
.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
.spec-table th, .spec-table td {
    padding: 12px;
    font-size: 14px;
    border-bottom: 1px solid var(--color-border);
}
.spec-table th {
    background-color: rgba(30, 58, 95, 0.05);
    color: var(--color-primary);
    text-align: left;
    width: 15%;
    font-weight: 500;
}
.spec-table td {
    width: 35%;
}
.case-comment h4 {
    font-size: 14px;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.case-comment p {
    font-size: 13.5px;
    color: var(--color-text-main);
}

/* ==========================================
   FEATURES DETAIL PAGE
   ========================================== */
.feature-detail-block {
    padding: 90px 0;
}
.feature-flex {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.feature-flex.reverse .feat-txt { order: 2; }
.feat-txt .num {
    font-family: var(--font-en);
    font-size: 42px;
    font-weight: 700;
    color: rgba(16, 185, 129, 0.15);
    display: block;
    line-height: 1;
    margin-bottom: 10px;
}
.feat-txt h2 {
    font-size: 26px;
    color: var(--color-primary);
    margin-bottom: 25px;
    line-height: 1.4;
}
.feat-txt p {
    font-size: 15px;
    color: var(--color-text-main);
    margin-bottom: 20px;
    text-align: justify;
}
.feat-img img {
    width: 100%;
    border-radius: 6px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
}

/* ==========================================
   PRICE PAGE (COMMI-COMMI ALERT & TABLE)
   ========================================== */
.price-tables-section {
    padding: 80px 0;
}
.price-intro-alert {
    background-color: #FFFBEB;
    border: 1px solid #FCD34D;
    color: #92400E;
    padding: 25px;
    border-radius: 6px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-bottom: 50px;
}
.price-intro-alert i {
    font-size: 24px;
    margin-top: 4px;
}
.price-intro-alert p {
    font-size: 14px;
    line-height: 1.6;
}
.plan-table-wrapper h2 {
    font-size: 22px;
    color: var(--color-primary);
    margin-bottom: 20px;
}
.main-price-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}
.main-price-table th, .main-price-table td {
    padding: 24px;
    border-bottom: 1px solid var(--color-border);
}
.main-price-table th {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-weight: 500;
    text-align: center;
    font-size: 15px;
}
.main-price-table th:first-child {
    text-align: left;
}
.plan-title strong {
    display: block;
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 5px;
}
.plan-title span {
    display: block;
    font-size: 12px;
    color: var(--color-text-sub);
}
.price-val {
    text-align: center;
    font-family: var(--font-en);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
}
.main-price-table tr:hover td {
    background-color: var(--color-primary-light);
}
.price-sub-info {
    font-size: 12px;
    color: var(--color-text-sub);
    margin-top: 20px;
}

/* ==========================================
   COMPANY PROFILE & FAQ & CONTACT FORM
   ========================================== */
.company-profile-section, .faq-section, .contact-section {
    padding: 70px 0;
}
.profile-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-white);
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
}
.profile-table th, .profile-table td {
    padding: 20px;
    font-size: 14.5px;
    border-bottom: 1px solid var(--color-border);
}
.profile-table th {
    background-color: rgba(30, 58, 95, 0.03);
    color: var(--color-primary);
    width: 25%;
    text-align: left;
    font-weight: 500;
}
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.faq-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}
.faq-card .q {
    display: block;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 15.5px;
}
.faq-card .a {
    font-size: 14px;
    color: var(--color-text-main);
}
.contact-form-wrapper {
    background-color: var(--color-white);
    border-radius: 8px;
    padding: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    max-width: 800px;
    margin: 0 auto;
}
.actual-form {
    margin-top: 40px;
}
.form-group {
    margin-bottom: 25px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}
.form-group label span {
    background-color: #EF4444;
    color: var(--color-white);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 6px;
}
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 14px;
}
.form-group textarea {
    height: 120px;
    resize: vertical;
}
.form-btn-area {
    text-align: center;
    margin-top: 40px;
}
.btn-submit {
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}
.btn-submit:hover {
    background-color: var(--color-accent-dark);
}

/* ==========================================
   FOOTER
   ========================================== */
.main-footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 70px 0 0;
    margin-top: 60px;
}
.footer-container {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand {
    max-width: 450px;
}
.footer-logo img {
    height: 36px;
    margin-bottom: 20px;
}
.company-desc {
    font-size: 14px;
    color: var(--color-white);
    margin-bottom: 15px;
}
.guideline-note {
    font-size: 11px;
    color: #94A3B8;
    line-height: 1.6;
}
.footer-links {
    display: flex;
    gap: 60px;
}
.link-col h4 {
    color: var(--color-white);
    font-size: 15px;
    margin-bottom: 20px;
}
.link-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.link-col a {
    font-size: 13.5px;
    color: #CBD5E1;
}
.link-col a:hover {
    color: var(--color-accent);
}
.footer-bottom {
    padding: 25px 0;
    text-align: center;
    font-size: 13px;
    color: #64748B;
}

/* ==========================================
   RESPONSIVE LAYOUT
   ========================================== */
@media (max-width: 1024px) {
    .header-container { flex-direction: column; height: auto; padding: 20px; gap: 15px; }
    .header-right { width: 100%; justify-content: space-between; }
    .hero-container, .simulation-card, .strength-grid, .works-grid, .before-after-grid, .feature-flex, .faq-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .hero-text { text-align: center; }
    .hero-btns { justify-content: center; }
    .sim-text { padding: 40px; }
    .feature-flex.reverse .feat-txt { order: 0; }
    .footer-container { flex-direction: column; gap: 40px; }
    .footer-links { justify-content: space-between; }
    .spec-table th, .spec-table td { display: block; width: 100% !important; }
}
@media (max-width: 580px) {
    .global-nav { display: none; }
    .hero-text h1 { font-size: 30px; }
    .section-title h2 { font-size: 22px; }
    .contact-form-wrapper { padding: 25px; }
}