/* SEIKA Corporate Customer Page Specific Styles */
.seika-houjin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Breadcrumb Styles */
.seika-houjin-breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.seika-houjin-breadcrumb a {
    color: #666;
    text-decoration: none;
}

.seika-houjin-breadcrumb a:hover {
    text-decoration: underline;
}

/* Hero Section */
.seika-houjin-hero {
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    margin-bottom: 40px;
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

@media (min-width: 768px) {
    .seika-houjin-hero {
        flex-direction: row;
        min-height: 400px;
    }
}

.seika-houjin-hero-content {
    padding: 30px;
    text-align: center;
}

@media (min-width: 768px) {
    .seika-houjin-hero-content {
        flex: 1;
        text-align: left;
        padding: 40px;
    }
    
    .seika-houjin-hero-image {
        flex: 1;
    }
}

.seika-houjin-hero-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #00857e;
    line-height: 1.3;
}

.seika-houjin-hero-title span {
    font-size: 32px;
    display: block;
    margin-top: 5px;
}

.seika-houjin-hero-subtitle {
    font-size: 16px;
    margin-bottom: 25px;
    color: #555;
    line-height: 1.6;
}

.seika-houjin-hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
}

@media (min-width: 576px) {
    .seika-houjin-hero-buttons {
        flex-direction: row;
    }
}

.seika-houjin-hero-button {
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
}

.seika-houjin-primary-button {
    background-color: #00857e;
    color: white;
    border: 2px solid #00857e;
}

.seika-houjin-primary-button:hover {
    background-color: #003d7a;
    border-color: #003d7a;
}

.seika-houjin-secondary-button {
    background-color: transparent;
    color: #00857e;
    border: 2px solid #00857e;
}

.seika-houjin-secondary-button:hover {
    background-color: rgba(0,82,165,0.1);
}

.seika-houjin-hero-image {
    width: 100%;
    height: auto;
    overflow: hidden;
}

.seika-houjin-hero-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* Stats Banner */
.seika-houjin-stats-banner {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 60px;
    text-align: center;
}

@media (min-width: 768px) {
    .seika-houjin-stats-banner {
        grid-template-columns: repeat(4, 1fr);
    }
}

.seika-houjin-stats-item {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

.seika-houjin-stats-item:hover {
    transform: translateY(-5px);
}

.seika-houjin-stats-number {
    font-size: 36px;
    font-weight: bold;
    color: #00857e;
    margin-bottom: 5px;
}

.seika-houjin-stats-number span {
    font-size: 24px;
}

.seika-houjin-stats-text {
    font-size: 14px;
    color: #555;
}

/* Title Section */
.seika-houjin-title-section {
    text-align: center;
    margin-bottom: 60px;
}

.seika-houjin-main-title {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #00857e;
}

.seika-houjin-subtitle {
    font-size: 18px;
    margin: 0 0 20px;
    color: #555;
}

.seika-houjin-divider {
    width: 80px;
    height: 4px;
    background-color: #00857e;
    margin: 0 auto;
}

.seika-houjin-link {
    color: #00857e;
    text-decoration: underline;
}

.seika-houjin-link:hover {
    opacity: 0.8;
}

/* Section Titles */
.seika-houjin-section-title {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #00857e;
    text-align: center;
    position: relative;
}

.seika-houjin-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #00857e;
    margin: 15px auto 0;
}

/* Benefits Section */
.seika-houjin-benefits-section {
    margin-bottom: 80px;
}

.seika-houjin-benefits-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .seika-houjin-benefits-content {
        flex-direction: row;
    }
    
    .seika-houjin-benefits-text {
        flex: 1;
    }
    
    .seika-houjin-benefits-diagram {
        flex: 1;
    }
}

.seika-houjin-benefits-text p {
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 16px;
}

.seika-houjin-stats-box {
    background-color: #f0f7ff;
    padding: 25px;
    border-radius: 10px;
    margin-top: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-left: 4px solid #00857e;
}

.seika-houjin-stats-highlight {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.seika-houjin-stats-highlight span {
    font-size: 28px;
    color: #00857e;
}

.seika-houjin-stats-note {
    font-size: 13px;
    color: #666;
    margin: 5px 0;
}

/* Benefits Diagram */
.seika-houjin-benefits-diagram {
    position: relative;
    width: 100%;
    height: 320px;
    margin: 0 auto;
}

.seika-houjin-diagram-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border: 3px solid #00857e;
    color: #00857e;
    font-weight: bold;
    padding: 20px 25px;
    border-radius: 8px;
    z-index: 2;
    font-size: 18px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.seika-houjin-diagram-circle {
    width: 110px;
    height: 110px;
    background-color: #00857e;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-weight: bold;
    font-size: 16px;
    padding: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.seika-houjin-diagram-circle:hover {
    transform: scale(1.05);
}

.seika-houjin-diagram-item {
    position: absolute;
}

.seika-houjin-diagram-item-1 {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.seika-houjin-diagram-item-2 {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.seika-houjin-diagram-item-3 {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.seika-houjin-diagram-item-4 {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

/* Service Cards */
.seika-houjin-service-cards {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
    margin-bottom: 80px;
}

@media (min-width: 576px) {
    .seika-houjin-service-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .seika-houjin-service-cards {
        grid-template-columns: repeat(4, 1fr);
    }
}

.seika-houjin-service-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #eee;
}

.seika-houjin-service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.seika-houjin-service-icon {
    width: 60px;
    height: 60px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #00857e;
}

.seika-houjin-icon {
    width: 30px;
    height: 30px;
}

.seika-houjin-service-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.seika-houjin-service-desc {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* Issues Section */
.seika-houjin-issues-section {
    margin-bottom: 80px;
}

.seika-houjin-issues-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .seika-houjin-issues-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.seika-houjin-issue-card {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    border: 1px solid #eee;
}

.seika-houjin-issue-card:hover {
    transform: translateY(-5px);
}

.seika-houjin-issue-content {
    padding: 25px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.seika-houjin-issue-icon {
    color: #00857e;
    margin-bottom: 15px;
}

.seika-houjin-issue-content p {
    margin: 0;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.6;
}

.seika-houjin-issue-arrow {
    background-color: #f5f5f5;
    padding: 10px;
    text-align: center;
    border-top: 1px solid #eee;
    color: #00857e;
}

/* Solutions Section */
.seika-houjin-solutions-section {
    margin-bottom: 80px;
    background-color: #f0f7ff;
    padding: 60px 20px;
    border-radius: 10px;
}

.seika-houjin-solutions-header {
    text-align: center;
    margin-bottom: 40px;
}

.seika-houjin-solutions-subtitle {
    font-size: 18px;
    color: #555;
    margin-top: 10px;
}

.seika-houjin-solutions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

@media (min-width: 576px) {
    .seika-houjin-solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .seika-houjin-solutions-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.seika-houjin-solution-item {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    position: relative;
    transition: transform 0.3s ease;
}

.seika-houjin-solution-item:hover {
    transform: translateY(-5px);
}

.seika-houjin-solution-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background-color: #00857e;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.seika-houjin-solution-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
    margin-top: 10px;
}

.seika-houjin-solution-desc {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* Case Study Sections */
.seika-houjin-case-section {
    margin-bottom: 80px;
}

.seika-houjin-case-header {
    font-weight: bold;
    margin-bottom: 15px;
    text-align: center;
    font-size: 18px;
    color: #00857e;
}

.seika-houjin-case-description {
    margin-bottom: 40px;
    line-height: 1.8;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    font-size: 16px;
}

.seika-houjin-case-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .seika-houjin-case-flow {
        flex-direction: row;
        justify-content: space-between;
        align-items: stretch;
    }
    
    .seika-houjin-case-arrow {
        transform: rotate(0);
    }
}

.seika-houjin-case-step {
    flex: 1;
    text-align: center;
    background-color: #fff;
    border-radius: 10px;
    padding: 30px 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.seika-houjin-case-step:hover {
    transform: translateY(-5px);
}

.seika-houjin-case-image {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #00857e;
}

.seika-houjin-case-icon {
    width: 40px;
    height: 40px;
}

.seika-houjin-step-title {
    font-size: 18px;
    font-weight: bold;
    margin: 10px 0;
    color: #333;
}

.seika-houjin-case-step p {
    font-size: 14px;
    color: #555;
    margin: 0;
}

.seika-houjin-case-arrow {
    font-size: 30px;
    color: #00857e;
    transform: rotate(90deg);
}

@media (min-width: 768px) {
    .seika-houjin-case-arrow {
        transform: rotate(0);
    }
}

/* Efficiency System Section */
.seika-houjin-system-section {
    margin-bottom: 80px;
}

.seika-houjin-system-section .seika-houjin-section-title {
    font-size: 22px;
    line-height: 1.5;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.seika-houjin-system-box {
    border: 1px solid #ddd;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin-top: 40px;
}

.seika-houjin-system-item {
    padding: 20px 25px;
}

.seika-houjin-system-item:first-child {
    background-color: #f0f7ff;
    border-bottom: 1px solid #ddd;
    font-weight: bold;
    color: #00857e;
    font-size: 18px;
}

.seika-houjin-system-item p {
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
}

/* Portfolio Section */
.seika-houjin-portfolio-section {
    margin-bottom: 80px;
}

.seika-houjin-portfolio-subtitle {
    text-align: center;
    font-size: 16px;
    color: #555;
    margin-bottom: 40px;
}

.seika-houjin-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
}

@media (min-width: 576px) {
    .seika-houjin-portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .seika-houjin-portfolio-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.seika-houjin-portfolio-item {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    border: 1px solid #eee;
}

.seika-houjin-portfolio-item:hover {
    transform: translateY(-5px);
}

.seika-houjin-portfolio-image {
    width: 70px;
    height: 70px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #00857e;
}

.seika-houjin-portfolio-icon {
    width: 35px;
    height: 35px;
}

.seika-houjin-portfolio-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
}

.seika-houjin-portfolio-desc {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
}

/* Testimonials Section */
.seika-houjin-testimonials-section {
    margin-bottom: 80px;
    background-color: #f0f7ff;
    padding: 60px 20px;
    border-radius: 10px;
}

.seika-houjin-testimonials-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .seika-houjin-testimonials-container {
        grid-template-columns: repeat(3, 1fr);
    }
}

.seika-houjin-testimonial {
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.seika-houjin-testimonial-content {
    padding: 30px;
    position: relative;
}

.seika-houjin-testimonial-content::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 60px;
    color: #f0f7ff;
    font-family: serif;
    z-index: 0;
}

.seika-houjin-testimonial-content p {
    position: relative;
    z-index: 1;
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
}

.seika-houjin-testimonial-author {
    display: flex;
    align-items: center;
    padding: 15px 30px;
    background-color: #f5f5f5;
    border-top: 1px solid #eee;
}

.seika-houjin-testimonial-avatar {
    width: 40px;
    height: 40px;
    background-color: #00857e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
}

.seika-houjin-avatar-icon {
    width: 20px;
    height: 20px;
}

.seika-houjin-testimonial-name {
    font-size: 16px;
    font-weight: bold;
    margin: 0 0 5px;
    color: #333;
}

.seika-houjin-testimonial-company {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* FAQ Section */
.seika-houjin-faq-section {
    margin-bottom: 80px;
}

.seika-houjin-faq-container {
    margin-top: 40px;
}

.seika-houjin-faq-item {
    border: 1px solid #ddd;
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0,0,0,0.03);
}

.seika-houjin-faq-question {
    padding: 20px 25px;
    background-color: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.seika-houjin-faq-question h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: #333;
}

.seika-houjin-faq-icon {
    font-size: 20px;
    color: #00857e;
    font-weight: bold;
}

.seika-houjin-faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.seika-houjin-faq-item:hover .seika-houjin-faq-answer {
    padding: 20px 25px;
    max-height: 200px;
    border-top: 1px solid #eee;
}

.seika-houjin-faq-answer p {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: #555;
}

/* Contact Section */
.seika-houjin-contact-section {
    margin-bottom: 80px;
}

.seika-houjin-contact-subtitle {
    text-align: center;
    font-size: 16px;
    color: #555;
    margin-bottom: 40px;
}

.seika-houjin-contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .seika-houjin-contact-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

.seika-houjin-contact-box {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border: 1px solid #eee;
    transition: transform 0.3s ease;
}

.seika-houjin-contact-box:hover {
    transform: translateY(-5px);
}

.seika-houjin-contact-icon {
    width: 70px;
    height: 70px;
    background-color: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #00857e;
}

.seika-houjin-contact-svg {
    width: 35px;
    height: 35px;
}

.seika-houjin-contact-title {
    font-size: 20px;
    font-weight: bold;
    margin: 0 0 15px;
    color: #333;
}

.seika-houjin-contact-desc {
    font-size: 15px;
    color: #555;
    margin-bottom: 25px;
    line-height: 1.6;
}

.seika-houjin-contact-button {
    display: inline-block;
    width: 100%;
    padding: 15px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 16px;
}

.seika-houjin-mail-button {
    background-color: #ff4d4d;
    color: white;
}

.seika-houjin-mail-button:hover {
    background-color: #ff3333;
}

.seika-houjin-tel-button {
    background-color: white;
    color: #00857e;
    border: 2px solid #00857e;
}

.seika-houjin-tel-button:hover {
    background-color: #f0f7ff;
}

.seika-houjin-button-icon {
    margin-right: 8px;
}

/* CTA Section */
.seika-houjin-cta-section {
    background-color: #00857e;
    padding: 60px 20px;
    border-radius: 10px;
    margin-bottom: 80px;
    color: white;
    text-align: center;
}

.seika-houjin-cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.seika-houjin-cta-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.4;
}

.seika-houjin-cta-text {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.seika-houjin-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    justify-content: center;
}

@media (min-width: 576px) {
    .seika-houjin-cta-buttons {
        flex-direction: row;
    }
}

.seika-houjin-cta-button {
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
}

.seika-houjin-cta-button.seika-houjin-primary-button {
    background-color: white;
    color: #00857e;
    border: 2px solid white;
}

.seika-houjin-cta-button.seika-houjin-primary-button:hover {
    background-color: rgba(255,255,255,0.9);
}

.seika-houjin-cta-button.seika-houjin-secondary-button {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.seika-houjin-cta-button.seika-houjin-secondary-button:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Fixed Contact Buttons */
.seika-houjin-fixed-buttons {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    z-index: 100;
}

.seika-houjin-fixed-button {
    flex: 1;
    padding: 15px;
    text-align: center;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 16px;
}

.seika-houjin-tel-fixed {
    background-color: white;
    color: #00857e;
    border-top: 1px solid #ddd;
}

.seika-houjin-mail-fixed {
    background-color: #ff4d4d;
    color: white;
}

/* Responsive Adjustments */
@media (min-width: 992px) {
    .seika-houjin-main-title {
        font-size: 36px;
    }
    
    .seika-houjin-section-title {
        font-size: 28px;
    }
    
    .seika-houjin-fixed-buttons {
        display: none;
    }
    
    .seika-houjin-hero-title {
        font-size: 36px;
    }
    
    .seika-houjin-hero-title span {
        font-size: 42px;
    }
}

@media (max-width: 767px) {
    .seika-houjin-diagram-circle {
        width: 90px;
        height: 90px;
        font-size: 14px;
    }
    
    .seika-houjin-benefits-diagram {
        height: 280px;
    }
    
    .seika-houjin-section-title {
        font-size: 22px;
    }
    
    .seika-houjin-system-section .seika-houjin-section-title {
        font-size: 18px;
    }
}

/* Animation for hover effects */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.seika-houjin-primary-button:hover,
.seika-houjin-mail-button:hover {
    animation: pulse 1s infinite;
}