/* --- Variables & Base Settings --- */
:root {
    --bg-color: rgb(255, 255, 255);
    --text-color: rgb(6, 7, 12);
    --primary-color: rgb(99, 112, 174);
    --secondary-color: rgb(210, 169, 208);
    --accent-color: rgb(188, 126, 157);
    --radius-card: 4px;
    --radius-button: 2px;
}

body {
    margin: 0;
    font-family: 'Outfit', 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.75;
    letter-spacing: 0.03em;
}

p {
    margin-bottom: 1.5rem;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    flex: 1;
}

/* --- Common Components --- */
.back-link {
    font-size: 0.9rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.2s, transform 0.2s;
    display: inline-block;
}

.back-link:hover {
    opacity: 0.7;
    transform: translateX(-4px);
}

.footer-action {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(99, 112, 174, 0.1);
    text-align: center;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--accent-color);
    color: white;
    padding: 40px 20px;
    width: 100%;
    box-sizing: border-box;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

@media (min-width: 640px) {
    .footer-inner { flex-direction: row-reverse; justify-content: space-between; }
}

.footer-nav { display: flex; flex-direction: column; align-items: center; gap: 20px; }
@media (min-width: 640px) { .footer-nav { flex-direction: row; gap: 40px; } }

.footer-link-white {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
    font-weight: 600;
    transition: color 0.2s;
}

.footer-link-white:hover {
    color: rgba(255, 255, 255, 1);
}

.footer-copyright-white { font-size: 12px; color: rgba(255, 255, 255, 0.7); }

/* --- Page: Index --- */
.main-header {
    background-color: var(--accent-color);
    color: white;
    padding: 32px 20px 24px;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.header-inner {
    max-width: 480px;
    margin: 0 auto;
}

.site-title {
    font-size: 2.4rem;
    color: #ffffff;
    margin: 0 0 8px 0;
    font-weight: bold;
    text-align: center;
    letter-spacing: 0.05em;
}

.profile-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.05em;
    font-weight: 500;
    line-height: 1.6;
}

.main-card {
    max-width: 480px;
    margin: 10px auto 30px;
    text-align: center;
}

.status-tag {
    font-size: 10px; letter-spacing: 0.25em; color: var(--accent-color);
    text-transform: uppercase; border: 1px solid rgba(188, 126, 157, 0.3);
    padding: 4px 12px; border-radius: 4px; display: inline-block; margin-bottom: 12px;
}

.headline { font-size: 1.15rem; color: var(--text-color); }

/* --- Page: Privacy --- */
.policy-container { max-width: 720px; margin: 30px auto 40px; padding: 0 0 40px; }

.policy-title {
    font-size: 1.8rem; font-weight: 700; margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--accent-color); display: inline-block;
    padding-bottom: 0.5rem;
}

.policy-container h2 {
    color: var(--primary-color); font-size: 1.15rem; margin-top: 2rem;
    display: flex; align-items: center;
}

.policy-container h2::before {
    content: ""; display: inline-block; width: 4px; height: 1.3rem;
    background: var(--accent-color); margin-right: 12px; border-radius: 2px;
}

.app-list { list-style: none; padding: 0; margin-top: 1.5rem; }
.app-list li { margin-bottom: 1rem; }
.app-list li::before { content: "•"; color: var(--accent-color); margin-right: 12px; font-weight: bold; }

/* --- Page: Contact --- */
.contact-container {
    max-width: 600px;
    margin: 30px auto 40px;
    padding: 0 20px 40px;
    box-sizing: border-box;
}

@media (max-width: 480px) {
    .contact-container {
        margin: 20px auto 40px;
        padding: 24px 20px;
    }
}

.contact-title {
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 3rem;
    border-bottom: 3px solid var(--accent-color);
    display: inline-block;
    padding-bottom: 0.5rem;
}

#contact-form { display: flex; flex-direction: column; gap: 1.5rem; }

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.0rem;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid rgba(99, 112, 174, 0.2);
    border-radius: var(--radius-card);
    background-color: #fff;
    color: var(--text-color);
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 112, 174, 0.1);
}

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

.submit-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--radius-button);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s, filter 0.2s;
    box-shadow: 0 4px 15px rgba(188, 126, 157, 0.3);
}

.submit-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    background-color: var(--secondary-color);
    cursor: not-allowed;
    opacity: 0.8;
    transform: none;
}

#status-message {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: var(--radius-card);
    font-size: 0.95rem;
    display: none;
    text-align: center;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.status-success {
    background-color: rgba(99, 112, 174, 0.08);
    color: var(--primary-color);
    border: 1px solid rgba(99, 112, 174, 0.15);
    display: block !important;
}

.status-error {
    background-color: rgba(188, 126, 157, 0.08);
    color: var(--accent-color);
    border: 1px solid rgba(188, 126, 157, 0.15);
    display: block !important;
}

.loading-dots::after {
    content: '.';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60% { content: '...'; }
    80%, 100% { content: ''; }
}

.honeypot-field { display: none !important; visibility: hidden; }

/* --- Page: Index (App & Essay Sections) --- */
.app-section {
    margin: 20px 0 40px 0;
    padding-top: 10px;
    border-top: none;
}

.section-heading {
    font-size: 1.8rem;
    color: var(--text-color);
    margin: 0 0 24px 0;
    font-weight: bold;
    text-align: center;
}
.app-icon {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 16px;
}
.app-title {
    font-size: 1.15rem;
    margin: 0 0 8px 0;
}
.app-desc {
    font-size: 0.95rem;
    color: var(--primary-color);
    margin-bottom: 24px;
}

/* --- Works Cards --- */

.works-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.work-card {
    border: 1px solid rgba(99, 112, 174, 0.15);
    border-radius: var(--radius-card);
    background-color: #fafafa;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(99, 112, 174, 0.08);
}

.work-card-hero {
    width: 100%;
    overflow: hidden;
    aspect-ratio: 1024 / 500;
    border-bottom: 1px solid rgba(99, 112, 174, 0.1);
}

.app-feature-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-card:hover .app-feature-image {
    transform: scale(1.03);
}

.work-card-content {
    padding: 1.5rem;
    text-align: center;
}

.work-card-content .app-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
}

.work-card-content .app-desc {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    text-align: left;
}

.work-card-content .store-badge-container {
    margin-top: 0;
    display: flex;
    justify-content: center;
}

.essay-section {
    margin: 40px 0;
    padding: 30px 1rem 0;
    border-top: 1px solid rgba(99, 112, 174, 0.1);
}

.essay-banner {
    display: flex;
    justify-content: center;
    text-decoration: none;
    padding: 0.5rem;
}

.essay-logo {
    width: 60px;
    height: auto;
}

/* --- Support Section --- */
.support-section {
  margin: 40px 0;
  padding: 30px 1rem 0;
  border-top: 1px solid rgba(99, 112, 174, 0.1);
}

.support-widget-container {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.store-badge-container {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.google-play-badge {
    width: 135px;
    height: auto;
    transition: opacity 0.2s ease;
}

.google-play-badge:hover {
    opacity: 0.8;
}

.footer-bottom-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.trademark-text {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    text-align: center;
}

/* --- Privacy Page App Cards --- */
.app-policy-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.app-policy-card {
    border: 1px solid rgba(99, 112, 174, 0.12);
    background-color: rgba(99, 112, 174, 0.02);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.app-policy-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 112, 174, 0.06);
    border-color: rgba(99, 112, 174, 0.25);
    background-color: rgba(99, 112, 174, 0.04);
}

.app-policy-name {
    color: var(--primary-color);
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 0.75rem 0;
    border-bottom: 1px solid rgba(188, 126, 157, 0.2);
    padding-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.app-policy-text {
    font-size: 0.9rem;
    color: var(--text-color);
    line-height: 1.7;
    margin: 0;
}