/*
Theme Name: Bright Muse Trust Navy
Theme URI: https://brightmuse.jp
Author: Bright Muse
Author URI: https://brightmuse.jp
Description: 組織コンサルティング Bright Muse 公式テーマ（Trust Navy デザイン）
Version: 1.0.0
License: Proprietary
License URI: 
Text Domain: bright-muse
*/

@charset "UTF-8";

/* ==========================================================================
   Pattern 01: Trust Navy - Design Tokens
   Concept: Reliability, Professionalism, Corporate, Trust
   ========================================================================== */

:root {
    /* Colors */
    --c-primary: #003366;
    /* Deep Navy */
    --c-secondary: #004d99;
    /* Lighter Navy */
    --c-accent: #C0A062;
    /* Gold Accent */
    --c-text-main: #333333;
    --c-text-sub: #666666;
    --c-bg-body: #ffffff;
    --c-bg-light: #f4f7f6;
    /* Cool Grayish White */

    /* Fonts */
    --f-sans: "Noto Sans JP", sans-serif;
    --f-serif: "Noto Serif JP", serif;

    /* Spacing */
    --sp-container: 1100px;
    --sp-section: 100px;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--f-sans);
    color: var(--c-text-main);
    background-color: var(--c-bg-body);
    line-height: 1.8;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: 0.3s;
}

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

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

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

/* Sections */
.section {
    padding: var(--sp-section) 0;
}

.section-title {
    font-family: var(--f-serif);
    font-size: 2.5rem;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--c-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 3rem;
    display: inline-block;
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 1rem 0;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header__logo a {
    font-family: var(--f-serif);
    font-size: 1.5rem;
    color: var(--c-primary);
    font-weight: 700;
}

.header__nav ul {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.header__nav a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--c-primary);
    position: relative;
}

.header__nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 1px;
    background: var(--c-accent);
    transition: 0.3s;
}

.header__nav a:hover::after {
    width: 100%;
}

.btn--header {
    background: var(--c-primary);
    color: #fff !important;
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
}

.btn--header::after {
    display: none;
}

.btn--header:hover {
    background: var(--c-secondary);
    opacity: 1;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    color: #fff;
    margin-top: 0;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 51, 102, 0.9), rgba(0, 51, 102, 0.6));
    z-index: -1;
}

.hero__content {
    width: 100%;
}

.hero__text-box {
    max-width: 600px;
}

.hero__author {
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--c-accent);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero__title {
    font-family: var(--f-serif);
    font-size: 2.8rem;
    line-height: 1.4;
    margin-bottom: 2rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero__lead {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero__cta {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 0;
    /* Square for trust */
    font-weight: 500;
    text-align: center;
    border: 1px solid transparent;
}

.btn--primary {
    background: var(--c-accent);
    color: #fff;
}

.btn--primary:hover {
    background: #d4b679;
    transform: translateY(-2px);
}

.btn--secondary {
    background: transparent;
    border: 1px solid #fff;
    color: #fff;
}

.btn--secondary:hover {
    background: #fff;
    color: var(--c-primary);
}

/* ==========================================================================
   Message Section
   ========================================================================== */
.message-section {
    background: #fff;
    position: relative;
}

.section-label {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--c-text-sub);
    margin-bottom: 1rem;
    display: block;
}

.message-box {
    margin-top: 3rem;
}

.message-en {
    font-family: var(--f-serif);
    font-size: 2.5rem;
    color: var(--c-accent);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.message-ja {
    font-size: 1.2rem;
    font-weight: 500;
}

/* ==========================================================================
   Problem Section
   ========================================================================== */
.problem-section {
    background: var(--c-bg-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.problem-card {
    background: #fff;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border-left: 4px solid var(--c-primary);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    transition: 0.3s;
}

.problem-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
}

.check-icon {
    color: var(--c-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.problem-conclusion {
    text-align: center;
    margin-top: 4rem;
    font-size: 1.2rem;
}

.highlight {
    background: linear-gradient(transparent 70%, rgba(192, 160, 98, 0.3) 70%);
    font-weight: bold;
}

/* ==========================================================================
   Concept Section
   ========================================================================== */
.columns {
    display: flex;
    gap: 4rem;
    align-items: center;
}

.column-text,
.column-img {
    flex: 1;
}

.concept-lead {
    font-family: var(--f-serif);
    font-size: 1.8rem;
    line-height: 1.6;
    color: var(--c-primary);
    margin-bottom: 2rem;
}

.column-img img {
    border-radius: 4px;
    box-shadow: 20px 20px 0 var(--c-bg-light);
}

/* ==========================================================================
   Service Section
   ========================================================================== */
.service-section {
    background: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border: 1px solid #eee;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.service-card:hover {
    border-color: var(--c-primary);
    box-shadow: 0 10px 30px rgba(0, 51, 102, 0.1);
}

.service-icon {
    font-size: 3rem;
    font-family: var(--f-serif);
    color: rgba(0, 51, 102, 0.1);
    position: absolute;
    top: 10px;
    right: 20px;
    font-weight: bold;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--c-primary);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.service-card ul {
    list-style: none;
    padding: 0;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--c-text-sub);
}

.service-card li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1em;
}

.service-card li::before {
    content: "•";
    color: var(--c-accent);
    position: absolute;
    left: 0;
}

/* ==========================================================================
   Book Section
   ========================================================================== */
.book-section {
    background: var(--c-bg-light);
}

.book-cover {
    background: #fff;
    width: 280px;
    height: 400px;
    margin: 0 auto;
    position: relative;
    box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
}

.book-face {
    text-align: center;
    padding: 2rem;
}

.book-face h1 {
    font-family: var(--f-serif);
    font-size: 2rem;
    color: #333;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.check-list li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.check-list li::before {
    content: "✔";
    color: var(--c-primary);
    position: absolute;
    left: 0;
}

.book-note {
    background: #fff;
    padding: 1.5rem;
    border-left: 4px solid var(--c-accent);
    margin-bottom: 2rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn-group .btn--secondary {
    color: var(--c-primary);
    border-color: var(--c-primary);
}

.btn-group .btn--secondary:hover {
    background: var(--c-primary);
    color: #fff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--c-primary);
    color: #fff;
    padding: 60px 0 30px;
}

.footer-logo {
    font-family: var(--f-serif);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   Contact Form (Contact Form 7 Integration)
   ========================================================================== */
.contact-section {
    background: #fff;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.wpcf7-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    font-family: inherit;
}

.wpcf7-form input[type="submit"] {
    background: var(--c-primary);
    color: #fff;
    border: none;
    padding: 1rem 3rem;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
}

.wpcf7-form input[type="submit"]:hover {
    background: var(--c-secondary);
}

/* Mobile */
@media (max-width: 768px) {
    .header__nav {
        display: none;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__cta {
        flex-direction: column;
    }

    .columns {
        flex-direction: column;
    }

    .reverse-mobile {
        flex-direction: column-reverse;
    }

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

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animation Classes Used by JS */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s ease;
}

.animate-fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}