/**
 * 千葉経済産業新聞 LP Theme - Main Styles
 * BEM記法で記述
 *
 * カラートークン:
 * --ck-primary: #0B3A5B (濃紺：信頼)
 * --ck-accent: #00B28C (アクセント：モダン)
 * --ck-neutral-900: #0A0A0A
 * --ck-neutral-600: #646A73
 * --ck-neutral-100: #F5F7FA
 * --ck-white: #FFFFFF
 */

/* ========================================
   CSS Variables
   ======================================== */
:root {
    --ck-primary: #0B3A5B;
    --ck-accent: #00B28C;
    --ck-neutral-900: #0A0A0A;
    --ck-neutral-600: #646A73;
    --ck-neutral-100: #F5F7FA;
    --ck-white: #FFFFFF;

    --font-base: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    --border-radius: 8px;
    --box-shadow-sm: 0 2px 8px rgba(10, 10, 10, 0.08);
    --box-shadow-md: 0 4px 16px rgba(10, 10, 10, 0.12);

    --transition: 0.3s ease;
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-base);
    font-size: 16px;
    line-height: 1.7;
    color: var(--ck-neutral-900);
    background-color: var(--ck-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ========================================
   Utility Classes
   ======================================== */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.screen-reader-text:focus {
    position: static;
    width: auto;
    height: auto;
    padding: 0.5rem 1rem;
    margin: 0;
    overflow: visible;
    clip: auto;
    white-space: normal;
    background-color: var(--ck-accent);
    color: var(--ck-white);
}

.skip-link {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    border-radius: var(--border-radius);
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn--primary {
    background-color: var(--ck-accent);
    color: var(--ck-white);
}

.btn--primary:hover,
.btn--primary:focus {
    background-color: #009275;
    color: var(--ck-white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

/* ========================================
   Header
   ======================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--ck-white);
    border-bottom: 1px solid var(--ck-neutral-100);
    box-shadow: var(--box-shadow-sm);
}

.site-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.site-branding {
    display: flex;
    justify-content: center;
}

.site-branding .custom-logo-link {
    display: block;
    max-width: 280px;
}

.site-branding .custom-logo-link img {
    max-height: 48px;
    width: auto;
}

.site-title {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
}

.site-title a {
    color: var(--ck-primary);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: var(--ck-primary);
    color: var(--ck-white);
    text-align: center;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 58, 91, 0.85), rgba(0, 178, 140, 0.7));
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero__title {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin: 0 0 var(--spacing-md);
}

.hero__subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin: 0 0 var(--spacing-lg);
    opacity: 0.95;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.btn--white {
    background-color: var(--ck-white);
    color: var(--ck-primary);
}

.btn--white:hover,
.btn--white:focus {
    background-color: var(--ck-neutral-100);
    color: var(--ck-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn--outline-white {
    background-color: transparent;
    color: var(--ck-white);
    border: 2px solid rgba(255, 255, 255, 0.7);
}

.btn--outline-white:hover,
.btn--outline-white:focus {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--ck-white);
    border-color: var(--ck-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero__buttons .btn {
        width: 100%;
        max-width: 320px;
    }
}

/* ========================================
   Section Common
   ======================================== */
.section {
    padding: var(--spacing-xxl) 0;
}

.section--gray {
    background-color: var(--ck-neutral-100);
}

.section__heading {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin: 0 0 var(--spacing-xl);
    color: var(--ck-primary);
}

.section__heading--light {
    color: var(--ck-white);
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-xl) 0;
    }

    .section__heading {
        font-size: 1.75rem;
        margin: 0 0 var(--spacing-lg);
    }
}

/* ========================================
   Intro Section
   ======================================== */
.intro__columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro__body p {
    margin: 0 0 var(--spacing-md);
    line-height: 1.9;
    color: var(--ck-neutral-900);
}

.intro__preview {
    display: flex;
    justify-content: center;
    align-items: center;
}

.intro__preview-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-md);
}

.intro__preview-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    background-color: var(--ck-neutral-100);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ck-neutral-600);
    font-size: 1rem;
    border: 2px dashed rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .intro__columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .intro__preview {
        max-width: 320px;
        margin: 0 auto;
    }
}

/* ========================================
   Overview Section
   ======================================== */
.overview__body {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.overview__body p {
    margin: 0;
    line-height: 1.9;
    color: var(--ck-neutral-900);
}

.overview__info {
    max-width: 700px;
    margin: 0 auto;
}

.overview__info dl {
    margin: 0;
}

.overview__info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.overview__info-item:last-child {
    border-bottom: none;
}

.overview__info-item dt {
    font-weight: var(--font-weight-bold);
    color: var(--ck-primary);
    min-width: 120px;
    flex-shrink: 0;
}

.overview__info-item dd {
    margin: 0;
}

@media (max-width: 768px) {
    .overview__info-item {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ========================================
   Contents Section
   ======================================== */
.contents__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.contents__card {
    background-color: var(--ck-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    transition: all var(--transition);
    border-top: 3px solid var(--ck-accent);
}

.contents__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-md);
}

.contents__card-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-sm);
    color: var(--ck-primary);
}

.contents__card-desc {
    margin: 0;
    color: var(--ck-neutral-600);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .contents__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ========================================
   Merit Section
   ======================================== */
.merit__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.merit__column {
    background-color: var(--ck-white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    overflow: hidden;
}

.merit__column-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--ck-white);
    background-color: var(--ck-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    margin: 0;
    text-align: center;
}

.merit__item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--ck-neutral-100);
}

.merit__item:last-child {
    border-bottom: none;
}

.merit__item-title {
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-xs);
    color: var(--ck-accent);
}

.merit__item-desc {
    margin: 0;
    color: var(--ck-neutral-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

@media (max-width: 768px) {
    .merit__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ========================================
   Outlook Section
   ======================================== */
.outlook__body {
    max-width: 900px;
    margin: 0 auto;
}

.outlook__body p {
    margin: 0 0 var(--spacing-md);
    line-height: 1.9;
    color: var(--ck-neutral-900);
}

.outlook__body a {
    color: var(--ck-accent);
    text-decoration: underline;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin: 0 0 var(--spacing-md);
}

.pricing__grid--two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
}

.pricing__card {
    background-color: var(--ck-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    position: relative;
    transition: all var(--transition);
}

.pricing__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-md);
}

.pricing__card--featured {
    border: 2px solid var(--ck-accent);
}

.pricing__card-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background-color: var(--ck-accent);
    color: var(--ck-white);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: var(--font-weight-bold);
}

.pricing__card-name {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-sm);
    color: var(--ck-primary);
}

.pricing__card-price {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--ck-accent);
    margin: 0 0 var(--spacing-md);
}

.pricing__card-label {
    font-size: 0.9375rem;
    color: var(--ck-neutral-600);
    margin: 0 0 var(--spacing-sm);
}

.pricing__card-unit {
    font-size: 1rem;
    font-weight: var(--font-weight-regular);
    color: var(--ck-neutral-600);
}

.pricing__card-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md);
}

.pricing__card-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--ck-neutral-100);
    color: var(--ck-neutral-900);
    line-height: 1.6;
}

.pricing__card-list li:last-child {
    border-bottom: none;
}

.pricing__card-desc {
    margin: 0;
    color: var(--ck-neutral-600);
    line-height: 1.7;
    font-size: 0.875rem;
}

.pricing__card-btn {
    display: block;
    margin-top: var(--spacing-md);
    text-align: center;
}

@media (max-width: 768px) {
    .pricing__grid,
    .pricing__grid--two {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--ck-primary);
    color: var(--ck-white);
}

.cta__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(11, 58, 91, 0.9), rgba(0, 178, 140, 0.8));
}

.cta__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta__subtext {
    font-size: 1.125rem;
    margin: 0 0 var(--spacing-lg);
    opacity: 0.95;
}

.cta__buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.btn--lg {
    padding: 1.125rem 3rem;
    font-size: 1.25rem;
}

.btn--outline {
    background-color: transparent;
    color: var(--ck-white);
    border: 2px solid var(--ck-white);
}

.btn--outline:hover,
.btn--outline:focus {
    background-color: var(--ck-white);
    color: var(--ck-primary);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

.cta__contact-link {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.7;
}

.cta__contact-link a {
    color: var(--ck-white);
    text-decoration: underline;
}

.cta__contact-link a:hover {
    color: var(--ck-white);
    opacity: 0.9;
}

.cta__form {
    margin-top: var(--spacing-lg);
}

/* Contact Form 7のスタイル調整 */
.cta__form .wpcf7-form {
    max-width: 600px;
    margin: 0 auto;
}

.cta__form input[type="text"],
.cta__form input[type="email"],
.cta__form input[type="tel"],
.cta__form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.95);
    font-family: var(--font-base);
    font-size: 1rem;
}

.cta__form input[type="submit"] {
    padding: 1rem 3rem;
    background-color: var(--ck-accent);
    color: var(--ck-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: all var(--transition);
}

.cta__form input[type="submit"]:hover {
    background-color: #009275;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-md);
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background-color: var(--ck-neutral-900);
    color: var(--ck-neutral-100);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.site-footer__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-footer__top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 0 var(--spacing-lg);
    padding: 0 0 var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__publisher {
    text-align: left;
}

.site-footer__label {
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-xs);
    font-size: 0.875rem;
}

.site-footer__name {
    margin: 0 0 var(--spacing-xs);
    font-size: 0.9375rem;
}

.site-footer__address {
    margin: 0;
    font-size: 0.875rem;
    color: var(--ck-neutral-600);
    line-height: 1.6;
}

.footer-cta {
    display: inline-block;
    padding: 0.625rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    color: var(--ck-neutral-100);
    font-size: 0.875rem;
    transition: all var(--transition);
}

.footer-cta:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--ck-white);
}

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

.site-copyright {
    margin: 0;
    font-size: 0.875rem;
    color: var(--ck-neutral-600);
}

@media (max-width: 768px) {
    .site-footer__top {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

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

/* ========================================
   Entry Content (Page/Single)
   ======================================== */
.entry-header {
    margin: 0 0 var(--spacing-lg);
    padding: var(--spacing-xl) 0 0;
}

.entry-title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-md);
    color: var(--ck-primary);
}

.entry-thumbnail {
    width: 100%;
    margin: 0 0 var(--spacing-md);
    border-radius: var(--border-radius);
}

.entry-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--ck-neutral-600);
}

.entry-content {
    line-height: 1.8;
    padding: 0 0 var(--spacing-xxl);
}

.entry-content h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin: var(--spacing-lg) 0 var(--spacing-md);
    color: var(--ck-primary);
}

.entry-content h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--ck-primary);
}

.entry-content p {
    margin: 0 0 var(--spacing-md);
}

.entry-content a {
    color: var(--ck-accent);
    text-decoration: underline;
}

.entry-content a:hover {
    color: var(--ck-primary);
}

@media (max-width: 768px) {
    .entry-title {
        font-size: 1.75rem;
    }

    .entry-content h2 {
        font-size: 1.5rem;
    }

    .entry-content h3 {
        font-size: 1.25rem;
    }
}

/* ========================================
   Privacy Policy
   ======================================== */
.privacy-policy {
    padding: var(--spacing-xl) 0 var(--spacing-xxl);
}

.privacy-policy .entry-content ul {
    margin: 0 0 var(--spacing-md);
    padding-left: 1.5em;
}

.privacy-policy .entry-content li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.privacy-policy__contact {
    background: var(--ck-neutral-100);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.privacy-policy__contact p {
    margin: 0;
    line-height: 2;
}

.privacy-policy__date {
    color: var(--ck-neutral-600);
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
}