/* CSS Variables */
:root {
  --primary: 62, 95, 170;
  --text: 0, 0, 0;
  --secondary-text: 44, 44, 44;
  --secondary-button: 239, 239, 239;
  --horizontal-line: 235, 235, 235;
  --background-color: 255, 255, 255;
  --input-color: 255, 255, 255;
}

/* Utility classes */
.bg-background-color { background-color: rgb(var(--background-color)); }
.text-primary { color: rgb(var(--primary)); }
.bg-primary { background-color: rgb(var(--primary)); }
.border-primary { border-color: rgb(var(--primary)); }
.text-text { color: rgb(var(--text)); }
.text-secondary-text { color: rgb(var(--secondary-text)); }
.bg-secondary-button { background-color: rgb(var(--secondary-button)); }
.border-horizontal-line { border-color: rgb(var(--horizontal-line)); }

/* Header sticky styles */
#header {
  position: -webkit-sticky !important;
  position: sticky !important;
  top: 0 !important;
}

/* Mobile menu styles */
.mobile-menu-overlay.active {
  pointer-events: auto;
  opacity: 1;
}

.mobile-menu-overlay.active .mobile-menu-content {
  right: 0;
  opacity: 1;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #000;
    overflow-x: hidden;
}

.logo {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
}

.logo img {
    height: 120px;
    width: auto;
}

.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.15) 0%,
        rgba(0, 0, 0, 0.25) 50%,
        rgba(0, 0, 0, 0.35) 100%
    );
    pointer-events: none;
}

/* テキストコンテンツ */
.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
    color: #fff;
    font-family: 'Noto Sans JP', sans-serif;
}

.hero-brand {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1rem, 2.5vw, 1.4rem);
    font-weight: 400;
    letter-spacing: 0.5em;
    margin-bottom: 25px;
    opacity: 0.9;
    white-space: nowrap;
}

.hero-title {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(2.5rem, 8vw, 5.5rem);
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: 30px;
    line-height: 1.2;
    white-space: nowrap;
}

.hero-tagline {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 300;
    letter-spacing: 0.3em;
    opacity: 0.85;
    white-space: nowrap;
}

/* 一文字ずつのアニメーション */
.char {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    animation: charFadeUp 1s ease-out forwards;
}

@keyframes charFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* スクロールアニメーション */
[data-scroll] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-scroll].is-visible {
    opacity: 1;
    transform: translateY(0);
}

[data-scroll="delay-1"] {
    transition-delay: 0.15s;
}

[data-scroll="delay-2"] {
    transition-delay: 0.3s;
}

[data-scroll="delay-3"] {
    transition-delay: 0.45s;
}

/* イントロセクション */
.intro {
    background: #fff;
    padding: 100px 20px;
    text-align: center;
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
}

.intro-title {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 500;
    color: #333;
    letter-spacing: 0.1em;
    line-height: 1.8;
    margin-bottom: 15px;
}

.intro-note {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: 0.8rem;
    color: #999;
    margin-bottom: 25px;
}

.intro-sub {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 300;
    color: #666;
    letter-spacing: 0.08em;
    line-height: 1.8;
}

/* 商品特徴セクション */
.feature-section {
    position: relative;
    width: 100%;
    height: 750px;
    overflow: hidden;
}

.feature-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.feature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45);
}

.feature-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 40px;
    max-width: 900px;
    margin: 0 auto;
    color: #fff;
}

.feature-heading {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 500;
    letter-spacing: 0.2em;
    margin-bottom: 40px;
    text-align: center;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-list li {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    font-weight: 400;
    line-height: 2;
    letter-spacing: 0.05em;
    padding-left: 25px;
    position: relative;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    background: #fff;
    border-radius: 50%;
}

.feature-note {
    display: block;
    font-size: 0.85em;
    opacity: 0.8;
    margin-top: 8px;
}

/* SP対応 */
/* 商品価格セクション */
.product-section {
    background: #fff;
    padding: 80px 40px;
}

.product-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-info {
    font-family: 'Zen Maru Gothic', sans-serif;
}

.product-name {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 500;
    color: #333;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.product-release {
    font-size: clamp(1.1rem, 2.5vw, 1.3rem);
    font-weight: 400;
    color: #d35400;
    margin-bottom: 10px;
}

.product-note {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 40px;
}

.price-box {
    display: flex;
    gap: 30px;
    align-items: stretch;
    margin-bottom: 30px;
}

.price-app,
.price-normal {
    padding: 25px;
    border-radius: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.price-app {
    background: linear-gradient(135deg, #ffeaa7, #fdcb6e);
}

.price-normal {
    background: #f5f5f5;
}

.app-btn {
    display: inline-block;
    padding: 18px 40px;
    background: #4a7dbe;
    color: #fff;
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.app-btn:hover {
    background: #3a6aa8;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(74, 125, 190, 0.3);
}

/* 商品概要セクション */
.spec-section {
    background: #f9f9f9;
    padding: 60px 40px;
}

.spec-container {
    max-width: 700px;
    margin: 0 auto;
    font-family: 'Zen Maru Gothic', sans-serif;
}

.spec-heading {
    font-size: 1.2rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 2px solid #ddd;
    text-align: center;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-bottom: 30px;
}

.spec-table th,
.spec-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
    vertical-align: top;
}

.spec-table th {
    width: 110px;
    color: #666;
    font-weight: 400;
    background: #f0f0f0;
}

.spec-table td {
    color: #333;
    line-height: 1.7;
}

.spec-subheading {
    font-size: 1rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 15px;
}

.nutrition-table {
    width: 100%;
    max-width: 450px;
    border-collapse: collapse;
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.nutrition-table th,
.nutrition-table td {
    padding: 10px 15px;
    border: 1px solid #e5e5e5;
}

.nutrition-table th {
    background: #f0f0f0;
    color: #666;
    font-weight: 400;
}

.nutrition-table td {
    color: #333;
    background: #fff;
}

.spec-note {
    font-size: 0.8rem;
    color: #999;
}

.price-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.price-main {
    display: flex;
    align-items: baseline;
    margin-bottom: 8px;
}

.price-yen {
    font-size: 1.5rem;
    font-weight: 500;
    color: #333;
}

.price-num {
    font-size: 3.5rem;
    font-weight: 600;
    color: #333;
    line-height: 1;
}

.price-tax {
    font-size: 1rem;
    color: #555;
    margin-left: 5px;
}

.price-incl {
    font-size: 0.95rem;
    color: #555;
}

.price-regular {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
}

.product-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-slider {
    position: relative;
    width: 100%;
    max-width: 450px;
    height: 450px;
}

.product-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    mask-image: radial-gradient(ellipse 72% 72% at center, #000 50%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 72% 72% at center, #000 50%, transparent 80%);
}

.product-slide.active {
    opacity: 1;
}

/* PRIDE BRANDセクション */
.pride-section {
    background: #fff;
    padding: 80px 20px 60px;
    text-align: center;
}

.pride-title {
    font-family: 'Zen Maru Gothic', sans-serif;
    font-size: clamp(1.3rem, 3.5vw, 1.8rem);
    font-weight: 500;
    color: #333;
    letter-spacing: 0.1em;
    line-height: 1.8;
    margin-bottom: 50px;
}

.pride-title span {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    font-weight: 400;
    letter-spacing: 0.3em;
}

.pride-image {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
}

/* SP対応 */
@media (max-width: 768px) {
    .feature-section {
        height: auto;
        min-height: 700px;
    }

    .feature-content {
        padding: 50px 25px;
    }

    .feature-heading {
        margin-bottom: 30px;
    }

    .feature-list {
        gap: 20px;
    }

    .feature-list li {
        line-height: 1.9;
        padding-left: 20px;
    }

    .feature-list li::before {
        top: 10px;
        width: 6px;
        height: 6px;
    }

    .product-section {
        padding: 60px 25px;
    }

    .product-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-image {
        order: -1;
    }

    .product-slider {
        max-width: 350px;
        height: 350px;
    }

    .price-box {
        flex-direction: column;
        gap: 20px;
    }

    .price-app,
    .price-normal {
        padding: 20px;
    }

    .price-num {
        font-size: 3rem;
    }

    .app-btn {
        display: block;
        text-align: center;
        padding: 16px 30px;
        font-size: 0.95rem;
    }

    .spec-section {
        padding: 50px 20px;
    }

    .spec-table th {
        width: 90px;
        font-size: 0.85rem;
    }

    .spec-table td {
        font-size: 0.85rem;
    }

    .nutrition-table th,
    .nutrition-table td {
        padding: 8px 10px;
        font-size: 0.8rem;
    }

    .pride-section {
        padding: 60px 15px 40px;
    }

    .pride-title {
        margin-bottom: 30px;
    }
}