/*
Theme Name: First Corp Theme
Theme URI: https://first-corp.co.jp
Author: First Corp
Author URI: https://first-corp.co.jp
Description: 合同会社ファースト公式サイト用カスタムテーマ
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: first-corp
*/

/* CSS Reset & Base Styles */
:root {
    --color-primary: #1a365d;
    --color-accent: #c9a227;
    --color-white: #ffffff;
    --color-light-gray: #f7f7f7;
    --color-text: #333333;
    --color-text-light: #666666;
    --font-family: 'Noto Sans JP', sans-serif;
    --max-width: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-white);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-accent);
}

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

ul, ol {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.site-logo span {
    color: var(--color-accent);
}

/* Navigation */
.main-nav ul {
    display: flex;
    gap: 40px;
}

.main-nav a {
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a.current::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a7c 100%);
    color: var(--color-white);
    padding: 180px 0 120px;
    text-align: center;
    margin-top: var(--header-height);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    letter-spacing: 0.1em;
}

.hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 15px 40px;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.hero-cta:hover {
    background-color: #b8922a;
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
    padding: 100px 0;
}

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

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* Feature Cards */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary), #2d4a7c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: var(--color-white);
}

.feature-card h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--color-text-light);
    line-height: 1.8;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    color: var(--color-text-light);
}

.about-image {
    background: linear-gradient(135deg, var(--color-light-gray), #e0e0e0);
    height: 400px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a7c 100%);
    color: var(--color-white);
    text-align: center;
    padding: 80px 0;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.cta-section p {
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 15px 50px;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, #2d4a7c 100%);
    color: var(--color-white);
    padding: 140px 0 60px;
    text-align: center;
    margin-top: var(--header-height);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.page-header p {
    opacity: 0.8;
}

/* Page Content */
.page-content {
    padding: 80px 0;
}

/* Service Page */
.service-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.service-intro p {
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.service-list {
    display: grid;
    gap: 40px;
}

.service-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    padding: 40px;
    background-color: var(--color-white);
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.service-item:nth-child(even) {
    direction: rtl;
}

.service-item:nth-child(even) > * {
    direction: ltr;
}

.service-image {
    background: linear-gradient(135deg, var(--color-light-gray), #e0e0e0);
    height: 300px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
}

.service-text h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.service-text p {
    color: var(--color-text-light);
    margin-bottom: 20px;
}

/* Contact Page */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--color-text-light);
    margin-bottom: 30px;
}

.contact-details {
    background-color: var(--color-light-gray);
    padding: 30px;
    border-radius: 10px;
}

.contact-details dl {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 15px;
}

.contact-details dt {
    font-weight: 700;
    color: var(--color-primary);
}

.contact-details dd {
    color: var(--color-text-light);
}

/* Contact Form */
.contact-form {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.submit-button {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 15px 50px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

/* Contact Form 7 Styles */
.wpcf7-form-control-wrap {
    display: block;
}

.wpcf7-text,
.wpcf7-email,
.wpcf7-textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.wpcf7-text:focus,
.wpcf7-email:focus,
.wpcf7-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.wpcf7-submit {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 15px 50px;
    border: none;
    border-radius: 50px;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wpcf7-submit:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.wpcf7-response-output {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
}

/* Footer */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo span {
    color: var(--color-accent);
}

.footer-about p {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-nav h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--color-accent);
}

.footer-nav ul li {
    margin-bottom: 10px;
}

.footer-nav a {
    color: var(--color-white);
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-nav a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* Responsive Design */
@media screen and (max-width: 1024px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 300px;
    }

    .service-item {
        grid-template-columns: 1fr;
    }

    .service-item:nth-child(even) {
        direction: ltr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

@media screen and (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--color-white);
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav li {
        border-bottom: 1px solid var(--color-light-gray);
    }

    .main-nav a {
        display: block;
        padding: 15px 0;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

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

    .page-header {
        padding: 120px 0 40px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 25px;
    }
}