/**
 * 写真高清化サービス - 共通スタイル
 */

/* リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基本スタイル */
:root {
    --primary-color: #3B82F6;
    --primary-hover: #2563EB;
    --success-color: #10B981;
    --error-color: #EF4444;
    --warning-color: #F59E0B;
    --text-color: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --background: #F9FAFB;
    --white: #FFFFFF;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background);
}

/* コンテナ */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
}

/* 見出し */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* リンク */
a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--text-secondary);
    color: var(--white);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #4B5563;
    text-decoration: none;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* フォーム */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

input[type="checkbox"] {
    margin-right: 0.5rem;
}

/* ドラッグ&ドロップエリア */
.drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 0.5rem;
    padding: 3rem 2rem;
    text-align: center;
    background-color: var(--white);
    transition: all 0.3s;
    cursor: pointer;
    margin-bottom: 1.5rem;
}

.drop-area:hover,
.drop-area.highlight {
    border-color: var(--primary-color);
    background-color: rgba(59, 130, 246, 0.05);
}

.drop-area p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

/* プレビュー */
.preview {
    position: relative;
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
    overflow: hidden;
    background-color: var(--white);
    box-shadow: var(--shadow);
}

.preview img {
    width: 100%;
    height: auto;
    display: block;
}

.preview button {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.5rem 1rem;
    background-color: var(--error-color);
    color: var(--white);
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 500;
}

.preview button:hover {
    background-color: #DC2626;
}

/* プログレスバー */
.progress-bar {
    width: 100%;
    height: 2rem;
    background-color: var(--border-color);
    border-radius: 0.5rem;
    overflow: hidden;
    margin-top: 1.5rem;
    position: relative;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s;
    width: 0%;
}

.progress-bar span {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 600;
    color: var(--text-color);
}

/* メッセージ */
.error-msg {
    padding: 1rem;
    background-color: #FEE2E2;
    color: #991B1B;
    border-radius: 0.5rem;
    margin-top: 1rem;
    border-left: 4px solid var(--error-color);
}

.success-msg {
    padding: 1rem;
    background-color: #D1FAE5;
    color: #065F46;
    border-radius: 0.5rem;
    margin-top: 1rem;
    border-left: 4px solid var(--success-color);
}

.info-msg {
    padding: 1rem;
    background-color: #DBEAFE;
    color: #1E40AF;
    border-radius: 0.5rem;
    margin-top: 1rem;
    border-left: 4px solid var(--primary-color);
}

/* カード */
.card {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

/* 成功アイコン */
.success-icon {
    width: 4rem;
    height: 4rem;
    margin: 0 auto 1.5rem;
    background-color: var(--success-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
}

/* テキスト整列 */
.text-center {
    text-align: center;
}

/* アクション */
.actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* 注文詳細 */
.order-detail {
    background-color: var(--white);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    margin-top: 2rem;
}

.order-info {
    margin: 1.5rem 0;
    line-height: 2;
}

.order-info p {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.order-info p:last-child {
    border-bottom: none;
}

/* ステータスインジケーター */
.status-indicator {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 600;
    margin: 1rem 0;
}

.status-pending {
    background-color: #FEF3C7;
    color: #92400E;
}

.status-paid {
    background-color: #DBEAFE;
    color: #1E40AF;
}

.status-processing {
    background-color: #E0E7FF;
    color: #3730A3;
}

.status-completed {
    background-color: #D1FAE5;
    color: #065F46;
}

.status-failed {
    background-color: #FEE2E2;
    color: #991B1B;
}

/* 検索フォーム */
.search-form {
    display: flex;
    gap: 0.5rem;
    margin: 2rem 0;
}

.search-form input {
    flex: 1;
}

/* レスポンシブ */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.5rem;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .search-form {
        flex-direction: column;
    }
}

/* ローディングスピナー */
.spinner {
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ======================================
   Header & Navigation
   ====================================== */

.site-header {
    background: var(--white);
    box-shadow: var(--shadow);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.site-header .container {
    max-width: 1200px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-logo:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.nav-menu a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.language-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--text-color);
    border-radius: 0.375rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.2s;
    text-decoration: none;
    white-space: nowrap;
}

.lang-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    text-decoration: none;
}

.lang-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Main content spacing for fixed header */
.main-content {
    padding-top: 6rem;
    min-height: calc(100vh - 8rem);
}

/* ======================================
   Footer
   ====================================== */

.site-footer {
    background: var(--background);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.footer-copyright {
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* ======================================
   Hero Section
   ====================================== */

.hero-section {
    text-align: center;
    padding: 2.5rem 0 2rem;
    color: var(--text-color);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hero-cta {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 3rem;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.hero-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
    text-decoration: none;
}

/* ======================================
   Feature Cards
   ====================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
    transition: all 0.3s;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ======================================
   How It Works Section
   ====================================== */

.how-it-works-section {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin: 1.5rem 0;
}

.section-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

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

.step-number {
    width: 4rem;
    height: 4rem;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.step-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ======================================
   Responsive Design
   ====================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }

    .language-selector {
        justify-content: center;
    }

    .main-content {
        padding-top: 10rem;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta {
        font-size: 1rem;
        padding: 0.875rem 2rem;
    }

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

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

@media (max-width: 480px) {
    .lang-btn {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .site-logo {
        font-size: 1.25rem;
    }
}

/* ======================================
   Utility Classes
   ====================================== */

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.hidden {
    display: none !important;
}