* {
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    line-height: 1.6;
    background-color: #f8f8f8;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: bottom;
}

:root {
    --primary-pink: #FF69B4;
    --primary-pink-dark: #FF1493;
    --accent-pink: #FF6B9D;
    --accent-pink-dark: #E85A8A;
    --accent-orange: #FF8C42;
    --text-dark: #333;
    --text-medium: #555;
    --text-light: #999;
    --bg-light: #fff0f5;
    --bg-white: #fff;
}

header {
    background-color: #fff;
    padding: 10px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-logo img {
    height: 40px;
}

.header-cta a {
    background-color: var(--primary-pink);
    color: #fff;
    padding: 8px 15px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9em;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.header-cta a:hover {
    background-color: var(--primary-pink-dark);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(255, 105, 180, 0.3);
}

.hero {
    background: linear-gradient(135deg, #FFDAB9 0%, #FFE4E1 50%, #FFF0F5 100%);
    color: #333;
    text-align: center;
    padding: 90px 20px 70px;
    min-height: 120vh;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.jimbun-bg-fv {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-8deg);
    font-size: clamp(48px, 9vw, 140px);
    color: rgba(255, 105, 180, 0.28);
    font-weight: bold;
    white-space: normal;
    text-align: center;
    line-height: 1.2;
    width: 80vw;
    padding: 0 5vw;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 0;
    user-select: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    padding: 30px 20px;
}

.hero-main-visual {
    width: 90%;
    max-width: 500px;
    margin: 0 auto 20px;
    display: block;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.1));
}

.hero .highlight {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--accent-orange);
    display: block;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.8);
}

.hero h1 {
    font-size: 1.8em;
    margin-bottom: 20px;
    line-height: 1.4;
    font-weight: 700;
    color: var(--text-dark);
}

.hero-cta-main a {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-pink-dark) 100%);
    color: #fff;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.2em;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(255, 105, 180, 0.4);
    display: inline-block;
    margin-bottom: 15px;
    width: 100%;
    max-width: 380px;
    position: relative;
    overflow: hidden;
}

.hero-cta-main a::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;
}

.hero-cta-main a:hover::before {
    width: 300px;
    height: 300px;
}

.hero-cta-main a:hover {
    background: linear-gradient(135deg, var(--primary-pink-dark) 0%, #E91E63 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 105, 180, 0.5);
}

.hero-cta-main a span {
    position: relative;
    z-index: 1;
}

.hero-cta-secondary {
    margin-top: 10px;
}

.hero-cta-secondary a {
    background-color: transparent;
    color: var(--primary-pink);
    padding: 12px 25px;
    border: 2px solid var(--primary-pink);
    border-radius: 50px;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    width: 100%;
    max-width: 300px;
}

.hero-cta-secondary a:hover {
    background-color: var(--primary-pink);
    color: #fff;
    transform: translateY(-2px);
}

.hero .price-info {
    font-size: 1em;
    margin-top: 15px;
    color: var(--text-medium);
    font-weight: 500;
}

.hero .price-info span {
    font-weight: bold;
    color: var(--accent-orange);
    font-size: 1.2em;
}

.introduction {
    padding: 50px 20px;
    text-align: center;
    background-color: #fff;
}

.introduction h2 {
    font-size: 1.6em;
    margin-bottom: 20px;
    color: var(--text-dark);
    line-height: 1.4;
}

.introduction p {
    font-size: 1em;
    max-width: 800px;
    margin: 0 auto 30px;
    color: var(--text-medium);
    text-align: left;
}

.intro-image {
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.features {
    background-color: var(--bg-light);
    padding: 50px 20px;
    text-align: center;
}

.features h2 {
    font-size: 1.8em;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.feature-grid {
    display: grid;
    gap: 30px;
}

.feature-item {
    background-color: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 105, 180, 0.15);
}

.feature-item img {
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    max-height: 250px;
    object-fit: contain;
}

.feature-item h3 {
    font-size: 1.3em;
    color: var(--primary-pink);
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 0.95em;
    color: var(--text-medium);
    line-height: 1.6;
}

.benefits {
    padding: 50px 20px;
    background-color: #fff;
}

.benefits h2 {
    font-size: 1.8em;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.benefits-grid {
    display: grid;
    gap: 30px;
}

.benefit-card {
    background-color: #fff;
    border: 2px solid #f0f0f0;
    padding: 25px;
    border-radius: 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    border-color: var(--primary-pink);
    box-shadow: 0 5px 20px rgba(255, 105, 180, 0.1);
}

.benefit-card h3 {
    font-size: 1.4em;
    color: var(--primary-pink);
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 2px dashed var(--primary-pink);
    padding-bottom: 10px;
    display: inline-block;
    width: 100%;
}

.benefit-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-list li {
    font-size: 1em;
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
    color: var(--text-dark);
}

.benefit-list li::before {
    content: '✔';
    position: absolute;
    left: 0;
    color: var(--primary-pink);
    font-weight: bold;
    font-size: 1.1em;
}

.coupon-app-info {
    text-align: center;
}

.coupon-app-image {
    margin-top: 20px;
}

.price-plan {
    background: linear-gradient(180deg, #fff0f5 0%, #ffeef5 100%);
    padding: 60px 20px;
    text-align: center;
}

.price-plan h2 {
    font-size: 1.8em;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.price-lead {
    margin-bottom: 40px;
    font-weight: bold;
    color: var(--text-medium);
}

.price-lead span {
    color: var(--accent-orange);
    font-size: 1.2em;
}

.plan-grid {
    display: grid;
    gap: 30px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.plan-card {
    background-color: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 30px 20px;
    width: 100%;
    position: relative;
    border: 2px solid #eee;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 105, 180, 0.2);
}

.plan-card.recommended {
    border: 3px solid var(--primary-pink);
    background: linear-gradient(135deg, #fff 0%, #fff0f5 100%);
    transform: scale(1.02);
    z-index: 10;
}

.plan-card.recommended:hover {
    transform: scale(1.05) translateY(-5px);
}

.recommended-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-pink-dark) 100%);
    color: #fff;
    font-weight: bold;
    padding: 5px 15px;
    border-bottom-left-radius: 15px;
    border-top-right-radius: 20px;
    font-size: 0.9em;
    box-shadow: 0 2px 8px rgba(255, 105, 180, 0.3);
}

.plan-type {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--text-light);
    margin-bottom: 5px;
}

.plan-title {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary-pink);
    margin-bottom: 15px;
}

.plan-card:not(.recommended) .plan-title {
    color: var(--primary-pink);
}

.main-price {
    font-size: 3em;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 10px;
    font-family: sans-serif;
}

.main-price small {
    font-size: 0.4em;
    color: var(--text-medium);
    font-weight: normal;
}

.main-price span {
    font-size: 0.5em;
    color: var(--accent-orange);
}

.sub-text {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--accent-orange);
    margin-bottom: 15px;
    min-height: 1.6em;
    background: linear-gradient(135deg, #FFF4E6 0%, #FFE8D1 100%);
    display: inline-block;
    padding: 5px 15px;
    border-radius: 20px;
}

.sub-text.empty {
     background-color: transparent;
     color: var(--text-medium);
     font-weight: normal;
}

.discount-info {
    font-size: 0.9em;
    color: var(--text-medium);
    margin-bottom: 20px;
    padding: 10px;
    background-color: #f9f9f9;
    border-radius: 8px;
}

.discount-info span {
    font-weight: bold;
    color: var(--accent-orange);
}

.conditions {
    font-size: 0.8em;
    color: var(--text-light);
    text-align: left;
    margin-top: 15px;
    border-top: 1px solid #eee;
    padding-top: 15px;
}

.conditions ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.conditions li {
    margin-bottom: 5px;
    padding-left: 10px;
    text-indent: -10px;
}

footer {
    background: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
    color: #fff;
    padding: 50px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.jimbun-bg-footer {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(10deg);
    font-size: clamp(50px, 9vw, 150px);
    color: rgba(255, 105, 180, 0.18);
    font-weight: bold;
    white-space: normal;
    text-align: center;
    line-height: 1.1;
    width: 90vw;
    padding: 0 5vw;
    pointer-events: none;
    z-index: 0;
}

.footer-content {
    position: relative;
    z-index: 2;
}

footer h2 {
    font-size: 1.8em;
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

footer h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -10px;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-pink) 0%, var(--accent-pink) 100%);
}

.footer-cta a {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-pink-dark) 100%);
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.3em;
    font-weight: bold;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 105, 180, 0.4);
    display: inline-block;
    margin-top: 20px;
    text-decoration: none;
    width: 100%;
    max-width: 400px;
}

.footer-cta a:hover {
    background: linear-gradient(135deg, var(--primary-pink-dark) 0%, #E91E63 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 105, 180, 0.5);
}

.footer-cta p {
    font-size: 0.9em;
    margin-top: 10px;
    color: #ccc;
}

.footer-contact {
    margin-top: 40px;
    font-size: 0.9em;
    color: #bbb;
}

.copyright {
    margin-top: 30px;
    font-size: 0.7em;
    color: #666;
}

@media (min-width: 768px) {
    .hero {
        padding: 80px 20px;
    }
    .hero h1 {
        font-size: 2.5em;
    }
    .hero-cta-main a {
        font-size: 1.5em;
        width: auto;
        padding: 20px 50px;
    }
    .hero-cta-secondary a {
        width: auto;
        padding: 14px 35px;
    }
    .jimbun-bg-fv {
        font-size: 8em;
    }

    .hero-content {
        padding: 40px 30px;
    }

    .introduction p {
        text-align: center;
    }

    .feature-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .benefits-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
    .coupon-app-info {
        text-align: left;
    }

    .plan-grid {
        grid-template-columns: 1fr 1fr;
        align-items: stretch;
    }
    .plan-card {
        width: 100%;
    }

    .plan-card.recommended {
        transform: scale(1.05);
    }
    .plan-card.recommended:hover {
        transform: scale(1.08) translateY(-5px);
    }
}