/* ===================================
   CSS Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --color-bg-dark: #0a0e1a;
    --color-bg-navy: #0f1419;
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #a0a0a0;
    --color-accent: #c9a961;
    --color-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    
    /* Spacing */
    --section-padding: 48px 20px;
    --container-max-width: 430px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.8;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 80px;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Header
   =================================== */
.header {
    background: var(--color-bg-navy);
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
}

.header-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.shop-name {
    font-size: 11px;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

.event-date {
    font-size: 10px;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.header-reserve {
    font-size: 13px;
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: color 0.3s;
}

.header-reserve:hover {
    color: var(--color-accent);
}

/* ===================================
   First View
   =================================== */
.fv {
    min-height: 85vh;
    background: linear-gradient(180deg, #0a0e1a 0%, #1a1f2e 50%, #0f1419 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.fv::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(201, 169, 97, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(201, 169, 97, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.fv-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 40px 20px;
}

.fv-bottles {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 60px;
}

.bottle-label {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.bottle-label:nth-child(1) {
    animation-delay: 0.2s;
}

.bottle-label:nth-child(2) {
    animation-delay: 0.4s;
}

.bottle-label:nth-child(3) {
    animation-delay: 0.6s;
}

.fv-copy {
    margin-bottom: 40px;
}

.fv-main {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 400;
    line-height: 2;
    margin-bottom: 32px;
    letter-spacing: 0.05em;
    opacity: 0;
    animation: fadeInUp 1s ease 0.8s forwards;
}

.fv-sub {
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    opacity: 0;
    animation: fadeInUp 1s ease 1s forwards;
}

.btn-fv {
    opacity: 0;
    animation: fadeInUp 1s ease 1.2s forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    font-size: 13px;
    letter-spacing: 0.1em;
    transition: all 0.3s;
    font-weight: 400;
}

.btn:hover {
    background: rgba(201, 169, 97, 0.1);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-primary {
    background: rgba(201, 169, 97, 0.15);
    border-color: var(--color-accent);
    color: var(--color-accent);
    display: block;
    text-align: center;
    margin-top: 32px;
}

.btn-primary:hover {
    background: rgba(201, 169, 97, 0.25);
}

.btn-large {
    padding: 18px 48px;
    font-size: 15px;
    display: block;
    text-align: center;
}

/* ===================================
   Question Section
   =================================== */
.question {
    padding: var(--section-padding);
    background: var(--color-bg-navy);
}

.question-text {
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 2.2;
    margin-bottom: 40px;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.question-answer {
    font-size: 15px;
    color: var(--color-accent);
    line-height: 2;
    letter-spacing: 0.05em;
}

/* ===================================
   Concept Section
   =================================== */
.concept {
    padding: var(--section-padding);
    background: var(--color-bg-dark);
}

.concept-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
}

.concept-item {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.concept-tag {
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    font-weight: 500;
}

.concept-text {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 2;
    letter-spacing: 0.05em;
}

.concept-divider {
    height: 1px;
    background: var(--color-border);
    width: 60px;
    margin: 0 auto;
}

.concept-list {
    text-align: center;
    margin-bottom: 48px;
}

.concept-list p {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 2.5;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
}

.concept-statement {
    display: flex;
    flex-direction: column;
    gap: 32px;
    text-align: center;
}

.concept-statement p {
    font-size: 15px;
    line-height: 2;
    letter-spacing: 0.05em;
}

.concept-statement .highlight {
    font-family: var(--font-serif);
    font-size: 17px;
    color: var(--color-accent);
    font-weight: 400;
}

/* ===================================
   Trilogy Section (Three Part Cards)
   =================================== */
.trilogy {
    padding: var(--section-padding);
    background: var(--color-bg-navy);
}

.section-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: 40px;
    color: var(--color-accent);
}

.card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    padding: 32px 24px;
    margin-bottom: 24px;
    border-radius: 2px;
}

.card:last-child {
    margin-bottom: 0;
}

.card-label {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 300;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-body p {
    font-size: 14px;
    line-height: 2;
    letter-spacing: 0.03em;
}

.card-essence {
    color: var(--color-accent);
    font-weight: 400;
    margin-top: 8px;
}

/* ===================================
   Experience Section
   =================================== */
.experience {
    padding: var(--section-padding);
    background: var(--color-bg-dark);
    text-align: center;
}

.experience-text {
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 2.2;
    margin-bottom: 40px;
    letter-spacing: 0.05em;
}

.experience-layers {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 2.5;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

.experience-conclusion {
    font-size: 16px;
    line-height: 2.2;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

/* ===================================
   Content Section
   =================================== */
.content {
    padding: var(--section-padding);
    background: var(--color-bg-navy);
}

.content-highlight {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
    padding: 24px 0;
}

.content-number {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-align: center;
    color: var(--color-accent);
}

.content-note {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 32px;
    letter-spacing: 0.03em;
}

.content-tagline {
    font-family: var(--font-serif);
    font-size: 15px;
    line-height: 2.2;
    text-align: center;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

/* ===================================
   Event Info Section
   =================================== */
.event-info {
    padding: var(--section-padding);
    background: var(--color-bg-dark);
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.info-icon {
    font-size: 20px;
    line-height: 1;
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.info-value {
    font-size: 15px;
    line-height: 1.6;
    font-weight: 400;
    letter-spacing: 0.03em;
}

.info-note {
    font-size: 12px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-top: 24px;
    letter-spacing: 0.03em;
}

/* ===================================
   Signature Section
   =================================== */
.signature {
    padding: var(--section-padding);
    background: var(--color-bg-navy);
}

.signature-text {
    font-size: 15px;
    line-height: 2.2;
    margin-bottom: 24px;
    letter-spacing: 0.03em;
}

.signature-name {
    margin-top: 40px;
    text-align: right;
    padding-right: 8px;
}

.signature-name p {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.signature-name .name {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--color-accent);
    font-weight: 400;
    letter-spacing: 0.1em;
}

/* ===================================
   Final CTA Section
   =================================== */
.final-cta {
    padding: var(--section-padding);
    background: var(--color-bg-dark);
    text-align: center;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 400;
    margin-bottom: 32px;
    letter-spacing: 0.1em;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 32px 20px;
    background: var(--color-bg-navy);
    border-top: 1px solid var(--color-border);
}

.footer-note {
    font-size: 11px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.footer-copyright {
    font-size: 10px;
    color: var(--color-text-secondary);
    text-align: center;
    letter-spacing: 0.1em;
}

/* ===================================
   Fixed CTA Bar
   =================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.fixed-cta-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fixed-cta-price {
    font-size: 14px;
    color: var(--color-text-secondary);
    letter-spacing: 0.05em;
}

.btn-fixed {
    padding: 10px 28px;
    background: var(--color-accent);
    color: var(--color-bg-dark);
    text-decoration: none;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.3s;
}

.btn-fixed:hover {
    background: #d4b56f;
    transform: translateY(-1px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (min-width: 375px) {
    :root {
        --section-padding: 56px 24px;
    }
    
    .fv-main {
        font-size: 24px;
    }
    
    .card-label {
        font-size: 32px;
    }
    
    .content-number {
        font-size: 26px;
    }
}

@media (min-width: 430px) {
    body {
        background: #000;
    }
    
    .header,
    .fv,
    .question,
    .concept,
    .trilogy,
    .experience,
    .content,
    .event-info,
    .signature,
    .final-cta,
    .footer,
    .fixed-cta {
        max-width: 430px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* ===================================
   Smooth Scrolling
   =================================== */
html {
    scroll-behavior: smooth;
}

/* Selection Color */
::selection {
    background: rgba(201, 169, 97, 0.3);
    color: var(--color-text-primary);
}