/* 全体のリセットとフォント設定 */
:root {
    --primary-color: #FF758C;
    --secondary-color: #FF7EB3;
    --accent-color: #2575FC;
    --bg-gradient: linear-gradient(135deg, #FF758C 0%, #FF7EB3 100%);
    --text-color: #333;
    --white: #ffffff;
    --card-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'M PLUS Rounded 1c', sans-serif;
}

body {
    background: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: var(--text-color);
}

/* アプリ画面コンテナ */
.app-container {
    width: 100%;
    max-width: 430px;
    height: 100vh;
    max-height: 932px; /* iPhone Pro Max size */
    background: var(--white);
    position: relative;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* 画面共通設定 */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
    background: var(--white);
    z-index: 1;
}

.screen.active {
    opacity: 1;
    visibility: visible;
    z-index: 10;
}

/* スタート画面 */
#start-screen {
    background: var(--bg-gradient);
    color: var(--white);
    text-align: center;
    /* フッターを下に配置するためにレイアウト調整 */
    justify-content: center;
    position: relative;
}

.logo-area h1 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin: 20px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 1px;
    font-weight: 700;
}

.description {
    font-size: 0.95rem;
    margin-bottom: 40px;
    line-height: 1.7;
}

/* ▼▼ フッター（法的表記）用スタイル ▼▼ */
.legal-footer {
    position: absolute;
    bottom: 30px;
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    opacity: 0.9;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 4px;
    font-weight: 700;
}

.footer-links a:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 2px;
    opacity: 0.6;
}

.copyright {
    margin-top: 8px;
    font-size: 0.7rem;
    opacity: 0.8;
}
/* ▲▲ 追加ここまで ▲▲ */

/* ボタン */
button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: transform 0.1s;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

button:active {
    transform: scale(0.96);
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 800;
    padding: 16px 48px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* 質問画面 */
.progress-bar {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: #f0f0f0;
}

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

.question-box {
    margin-bottom: 40px;
    text-align: center;
    width: 100%;
}

.q-number {
    color: var(--primary-color);
    font-weight: 800;
    font-size: 1.2rem;
    display: block;
    margin-bottom: 12px;
}

#q-text {
    font-size: 1.4rem;
    line-height: 1.5;
    font-weight: 700;
}

.options-area {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn-option {
    background: #f8f9fa;
    border: 2px solid #eee;
    padding: 22px;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #444;
    text-align: left;
    transition: all 0.2s;
    width: 100%;
}

.btn-option:hover {
    background: #fff5f7;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ローディング */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #eee;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 24px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 結果画面 */
#result-screen {
    background: #fafafa;
    justify-content: flex-start; /* 上寄せ */
    padding-top: 50px;
    overflow-y: auto;
}

.result-card {
    background: var(--white);
    width: 100%;
    padding: 32px 24px;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
    text-align: center;
    border-top: 8px solid var(--primary-color);
    margin-bottom: 24px;
}

.result-subtitle {
    color: #888;
    font-size: 0.85rem;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

#result-title {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 16px;
    line-height: 1.3;
}

.result-tags {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.result-tags span {
    display: inline-block;
    background: #f0f2f5;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.75rem;
    color: #666;
    font-weight: 700;
}

#result-desc {
    margin: 16px 0 24px 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #555;
}

.action-box {
    background: #eff6ff; /* 薄い青 */
    padding: 20px;
    border-radius: 16px;
    text-align: left;
    margin-bottom: 24px;
}

.action-box h3 {
    font-size: 0.85rem;
    color: var(--accent-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

#result-action {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #333;
    font-weight: 700;
}

/* 収益化エリア */
.ad-area {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px dashed #eee;
}

.ad-text {
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 12px;
    font-weight: 700;
}

.btn-affiliate {
    display: block;
    background: #ff9a9e;
    background: linear-gradient(to right, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
    color: var(--white);
    text-decoration: none;
    font-weight: 800;
    padding: 16px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(255, 117, 140, 0.3);
    transition: 0.2s;
    font-size: 1rem;
}

.btn-affiliate:hover {
    opacity: 0.95;
    transform: translateY(-2px);
}

.btn-retry {
    background: transparent;
    color: #999;
    font-size: 0.9rem;
    padding: 12px;
    margin-bottom: 20px;
    font-weight: 700;
}