/* ========================================
   リセット & ベーススタイル
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    background-color: #ffffff;
    color: #1a1a1a;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   コンテナ
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   トップヘッダー（赤背景）
======================================== */
.top-header {
    background-color: #c8102e;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}

.header-content {
    text-align: center;
}

.header-text {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ========================================
   メインビジュアル + ベネフィット（統合・画像版）
======================================== */
.hero-benefits-section {
    background-color: #ffffff;
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-benefits-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-benefits-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.hero-benefits-image:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

/* フェードインアニメーション用 */
[data-aos="fade-in"] {
    opacity: 0;
    transition: opacity 1s ease;
}

[data-aos="fade-in"].aos-animate {
    opacity: 1;
}

@keyframes goldShine {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* ========================================
   キャッチコピーセクション
======================================== */
.catchphrase-section {
    background-color: #f8f8f8;
    padding: 100px 0;
    text-align: center;
}

.catchphrase-main {
    font-size: 2.5rem;
    font-weight: 900;
    color: #1a1a1a;
    margin-bottom: 20px;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
    letter-spacing: 0.05em;
}

.catchphrase-sub {
    font-size: 2rem;
    font-weight: 900;
    color: #c8102e;
    margin-bottom: 30px;
    text-shadow: 0 3px 6px rgba(200, 16, 46, 0.2);
    letter-spacing: 0.05em;
}

.catchphrase-instruction {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ========================================
   動画視聴セクション
======================================== */
.video-section {
    background-color: #ffffff;
    padding: 80px 0;
}

.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 20px;
    border: 5px solid;
    border-image: linear-gradient(135deg, #d4af37, #f9d276, #d4af37, #aa771c) 1;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ========================================
   CTAセクション（赤背景）
======================================== */
.cta-section {
    background-color: #c8102e;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotateBg 20s linear infinite;
}

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

.cta-title {
    font-size: 2rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 15px;
    text-shadow: 0 3px 8px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.05em;
    position: relative;
    z-index: 1;
}

.cta-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 50px;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.cta-button-wrapper {
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    padding: 25px 60px;
    font-size: 1.8rem;
    font-weight: 900;
    color: #1a1a1a;
    background: linear-gradient(135deg, #d4af37 0%, #f9d276 25%, #d4af37 50%, #aa771c 75%, #f9d276 100%);
    background-size: 200% 200%;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
    animation: goldShine 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(212, 175, 55, 0.6);
}

.button-text {
    position: relative;
    z-index: 1;
}

.button-icon {
    font-size: 2rem;
    font-weight: 900;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.cta-button:hover .button-icon {
    transform: translateX(5px);
}

/* ========================================
   緊急性訴求セクション
======================================== */
.urgency-section {
    background-color: #1a1a1a;
    padding: 40px 0;
    text-align: center;
}

.urgency-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.urgency-label {
    background: linear-gradient(135deg, #d4af37, #f9d276);
    color: #1a1a1a;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 900;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4);
}

.urgency-message {
    letter-spacing: 0.05em;
}

/* ========================================
   フッター
======================================== */
.footer {
    background-color: #ffffff;
    padding: 30px 0;
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.footer-text {
    font-size: 0.9rem;
    font-weight: 700;
    color: #666666;
}

/* ========================================
   アニメーション用クラス
======================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* ========================================
   レスポンシブデザイン
======================================== */

/* 大型タブレット・小型デスクトップ */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .hero-benefits-container {
        padding: 0 30px;
    }
    
    .catchphrase-main {
        font-size: 2.3rem;
    }
    
    .catchphrase-sub {
        font-size: 1.9rem;
    }
    
    .cta-button {
        font-size: 1.6rem;
        padding: 22px 50px;
    }
}

/* タブレット（縦・横） */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .header-text {
        font-size: 1.2rem;
        letter-spacing: 0.05em;
    }
    
    .hero-benefits-section {
        padding: 40px 0 50px;
    }
    
    .hero-benefits-container {
        padding: 0 15px;
    }
    
    .hero-benefits-image {
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    }
    
    .hero-benefits-image:hover {
        transform: scale(1.01);
    }
    
    .catchphrase-section {
        padding: 70px 0;
    }
    
    .catchphrase-main {
        font-size: 1.8rem;
        margin-bottom: 15px;
        line-height: 1.4;
    }
    
    .catchphrase-sub {
        font-size: 1.5rem;
        margin-bottom: 25px;
        line-height: 1.4;
    }
    
    .catchphrase-instruction {
        font-size: 1.1rem;
        line-height: 1.6;
    }
    
    .video-section {
        padding: 60px 0;
    }
    
    .video-wrapper {
        padding: 0 15px;
    }
    
    .video-container {
        border-width: 4px;
        border-radius: 15px;
    }
    
    .cta-section {
        padding: 70px 0;
    }
    
    .cta-title {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }
    
    .cta-subtitle {
        font-size: 1.1rem;
        margin-bottom: 35px;
    }
    
    .cta-button {
        font-size: 1.3rem;
        padding: 18px 40px;
        gap: 12px;
    }
    
    .button-icon {
        font-size: 1.6rem;
    }
    
    .urgency-section {
        padding: 35px 0;
    }
    
    .urgency-text {
        font-size: 1.1rem;
    }
    
    .urgency-label {
        font-size: 1rem;
        padding: 7px 18px;
    }
}

/* スマートフォン（大型: iPhone 14 Pro Max, Galaxy S23など） */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .top-header {
        height: 55px;
    }
    
    .header-content {
        padding: 0 15px;
    }
    
    .header-text {
        font-size: 0.95rem;
        letter-spacing: 0.03em;
    }
    
    .hero-benefits-section {
        padding: 30px 0 40px;
    }
    
    .hero-benefits-container {
        padding: 0 10px;
    }
    
    .hero-benefits-image {
        border-radius: 12px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    
    .hero-benefits-image:hover {
        transform: none;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    
    .catchphrase-section {
        padding: 50px 0;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .catchphrase-main {
        font-size: 1.4rem;
        margin-bottom: 12px;
        line-height: 1.5;
        letter-spacing: 0.03em;
    }
    
    .catchphrase-sub {
        font-size: 1.2rem;
        margin-bottom: 20px;
        line-height: 1.5;
        letter-spacing: 0.03em;
    }
    
    .catchphrase-instruction {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    .video-section {
        padding: 40px 0;
    }
    
    .video-wrapper {
        padding: 0 10px;
    }
    
    .video-container {
        border-width: 3px;
        border-radius: 10px;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }
    
    .cta-section {
        padding: 50px 0;
    }
    
    .cta-title {
        font-size: 1.2rem;
        margin-bottom: 10px;
        line-height: 1.5;
    }
    
    .cta-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .cta-button {
        font-size: 1.1rem;
        padding: 16px 30px;
        gap: 8px;
        border-radius: 40px;
        width: 90%;
        max-width: 320px;
    }
    
    .button-text {
        font-size: 1rem;
    }
    
    .button-icon {
        font-size: 1.3rem;
    }
    
    .cta-button:hover {
        transform: translateY(-2px);
    }
    
    .urgency-section {
        padding: 25px 0;
    }
    
    .urgency-text {
        font-size: 0.9rem;
        flex-direction: column;
        gap: 8px;
        padding: 0 10px;
    }
    
    .urgency-label {
        font-size: 0.85rem;
        padding: 6px 15px;
    }
    
    .urgency-message {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    
    .footer {
        padding: 25px 0;
    }
    
    .footer-text {
        font-size: 0.75rem;
    }
}

/* スマートフォン（小型: iPhone SE, 古いAndroidなど） */
@media (max-width: 375px) {
    html {
        font-size: 13px;
    }
    
    .top-header {
        height: 50px;
    }
    
    .header-text {
        font-size: 0.85rem;
    }
    
    .hero-benefits-section {
        padding: 25px 0 35px;
    }
    
    .hero-benefits-container {
        padding: 0 8px;
    }
    
    .hero-benefits-image {
        border-radius: 10px;
    }
    
    .catchphrase-section {
        padding: 40px 0;
    }
    
    .catchphrase-main {
        font-size: 1.2rem;
        margin-bottom: 10px;
    }
    
    .catchphrase-sub {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .catchphrase-instruction {
        font-size: 0.85rem;
    }
    
    .video-section {
        padding: 35px 0;
    }
    
    .video-wrapper {
        padding: 0 8px;
    }
    
    .cta-section {
        padding: 45px 0;
    }
    
    .cta-title {
        font-size: 1.1rem;
    }
    
    .cta-subtitle {
        font-size: 0.85rem;
        margin-bottom: 25px;
    }
    
    .cta-button {
        font-size: 1rem;
        padding: 14px 25px;
        width: 95%;
    }
    
    .button-text {
        font-size: 0.9rem;
    }
    
    .button-icon {
        font-size: 1.2rem;
    }
    
    .urgency-text {
        font-size: 0.8rem;
    }
    
    .urgency-label {
        font-size: 0.75rem;
        padding: 5px 12px;
    }
    
    .urgency-message {
        font-size: 0.75rem;
    }
}

/* 極小スマートフォン対応 */
@media (max-width: 320px) {
    html {
        font-size: 12px;
    }
    
    .header-text {
        font-size: 0.8rem;
    }
    
    .catchphrase-main {
        font-size: 1.1rem;
    }
    
    .catchphrase-sub {
        font-size: 0.95rem;
    }
    
    .catchphrase-instruction {
        font-size: 0.8rem;
    }
    
    .cta-button {
        font-size: 0.95rem;
        padding: 12px 20px;
        width: 98%;
    }
}