:root {
    /* Colors */
    --color-bg-primary: #F9F9F7;
    --color-bg-secondary: #FFFFFF;
    --color-bg-tertiary: #F0EFEB;
    
    --color-text-primary: #333333;
    --color-text-secondary: #595959;
    --color-text-muted: #888888;
    
    --color-accent-green: #2A4736;
    --color-accent-brown: #5C4033;
    --color-accent-gold: #B89B68;
    
    /* Variables */
    --font-family-primary: 'Zen Kaku Gothic New', sans-serif;
    --font-family-en: 'Inter', sans-serif;
    
    --container-width: 1000px;
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family-primary);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.hidden-sp {
    display: none;
}

@media (min-width: 768px) {
    .hidden-sp {
        display: inline;
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    font-weight: 500;
}

.section__title {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--color-accent-green);
    letter-spacing: 0.05em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-align: center;
}

.btn--primary {
    background-color: var(--color-accent-gold);
    color: #FFFFFF;
}

.btn--primary:hover {
    background-color: #a38858;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(184, 155, 104, 0.3);
}

.btn--secondary {
    background-color: transparent;
    border: 1px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
}

.btn--secondary:hover {
    background-color: var(--color-accent-gold);
    color: #FFFFFF;
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.125rem;
}

.btn--huge {
    padding: 20px 48px;
    font-size: 1.25rem;
}

.btn--header {
    background-color: var(--color-accent-gold);
    color: #FFFFFF;
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn--header:hover {
    background-color: #a38858;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: rgba(249, 249, 247, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
}

.header__inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent-green);
    font-family: var(--font-family-en);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header__nav-list a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.header__nav-list a:hover {
    color: var(--color-accent-gold);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.header__menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 101;
}

.header__menu-icon,
.header__menu-icon::before,
.header__menu-icon::after {
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    left: 4px;
    transition: all var(--transition-fast);
}

.header__menu-icon {
    top: 15px;
}
.header__menu-icon::before {
    content: '';
    top: -8px;
    left: 0;
}
.header__menu-icon::after {
    content: '';
    top: 8px;
    left: 0;
}

/* SP Menu */
@media (max-width: 767px) {
    .header__nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-bg-primary);
        flex-direction: column;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .header__nav.is-open {
        opacity: 1;
        visibility: visible;
    }
    
    .header__nav-list {
        flex-direction: column;
        gap: 2rem;
        margin-bottom: 2rem;
    }
    
    .header__nav-list a {
        font-size: 1.125rem;
    }
    
    .header__menu-btn {
        display: block;
    }
    
    .header__menu-btn[aria-expanded="true"] .header__menu-icon {
        background-color: transparent;
    }
    
    .header__menu-btn[aria-expanded="true"] .header__menu-icon::before {
        transform: translateY(8px) rotate(45deg);
    }
    
    .header__menu-btn[aria-expanded="true"] .header__menu-icon::after {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* Main Layout */
main {
    padding-top: 70px;
}

.section {
    padding: 5rem 0;
}

@media (max-width: 767px) {
    .section {
        padding: 4rem 0;
    }
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    align-items: center;
    background: linear-gradient(to bottom, var(--color-bg-primary), var(--color-bg-tertiary));
}

.hero__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero__content {
    flex: 1;
}

.hero__title {
    font-size: 2.5rem;
    color: var(--color-accent-green);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero__btn-group {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__image {
    flex: 1;
    max-width: 450px;
}

.hero__image img {
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

@media (max-width: 767px) {
    .hero__inner {
        flex-direction: column-reverse;
        padding-top: 3rem;
        padding-bottom: 3rem;
        gap: 2.5rem;
    }
    
    .hero__content {
        text-align: center;
    }
    
    .hero__btn-group {
        justify-content: center;
    }
    
    .hero__title {
        font-size: 2rem;
    }
    
    .btn--large {
        width: 100%;
        padding: 14px 20px;
    }
}

/* Cards & Grids */
.card {
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 767px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }
    .card {
        padding: 1.5rem;
    }
}

/* Deliverables Section */
.deliverables .section__lead {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--color-text-secondary);
}

.card--deliverable {
    transition: transform var(--transition-fast);
}

.card--deliverable:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

.card--deliverable .card__title {
    font-size: 1.125rem;
    color: var(--color-accent-brown);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-bg-tertiary);
    padding-bottom: 0.5rem;
}

/* Alert Box */
.alert-box {
    background-color: #F8F5F0;
    border-left: 4px solid var(--color-accent-gold);
    padding: 1.5rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.alert-box__text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Flow Section */
.flow__steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 700px;
    margin: 0 auto;
}

.flow__step {
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    position: relative;
}

.flow__step:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 4rem;
    width: 2px;
    height: 1rem;
    background-color: var(--color-bg-tertiary);
}

.flow__step-number {
    font-family: var(--font-family-en);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-gold);
    opacity: 0.4;
    min-width: 60px;
}

.flow__step-title {
    font-size: 1.125rem;
    color: var(--color-accent-green);
    margin-bottom: 0.25rem;
}

.flow__step-content p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

@media (max-width: 767px) {
    .flow__step {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1.5rem;
    }
    
    .flow__step:not(:last-child)::after {
        left: 2.5rem;
    }
}

/* Pricing Section */
.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card--price {
    text-align: center;
    border: 1px solid var(--color-bg-tertiary);
}

.card--price .card__title {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-accent-green);
}

.card__price {
    font-family: var(--font-family-en);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1rem;
}

.card__price span {
    font-size: 1rem;
    font-weight: 400;
    margin-left: 4px;
}

.card__desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.pricing__subtitle {
    font-size: 1.25rem;
    color: var(--color-accent-green);
    margin-bottom: 1rem;
    text-align: center;
}

.pricing__delivery, .pricing__payment {
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.pricing__delivery-standard {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.pricing__delivery-desc {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.pricing__express-title {
    font-size: 1rem;
    color: var(--color-accent-brown);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--color-bg-tertiary);
    padding-bottom: 0.5rem;
}

.pricing__express-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-size: 0.95rem;
    border-bottom: 1px dashed var(--color-bg-tertiary);
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.badge {
    background-color: var(--color-bg-tertiary);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.payment-note {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-align: center;
}

.section__cta {
    text-align: center;
    margin-top: 3rem;
}

/* Preparation & Contact */
.check-list {
    font-size: 0.95rem;
}

.check-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.check-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-gold);
    border-radius: 50%;
}

.note {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

.highlight-text {
    background-color: rgba(184, 155, 104, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    margin-top: 1rem;
    font-weight: 500;
}

.highlight-text a {
    color: var(--color-accent-gold);
    text-decoration: underline;
}

/* Notes Section */
.notes__content {
    background-color: var(--color-bg-secondary);
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
}

.notes__list li {
    margin-bottom: 1rem;
    font-size: 0.95rem;
    padding-left: 1.25rem;
    position: relative;
}

.notes__list li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.notes__list strong {
    color: var(--color-accent-brown);
}

/* FAQ Section */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion__item {
    margin-bottom: 1rem;
    border: 1px solid var(--color-bg-tertiary);
    border-radius: var(--border-radius-md);
    background-color: var(--color-bg-secondary);
    overflow: hidden;
}

.accordion__btn {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.accordion__icon {
    position: relative;
    width: 20px;
    height: 20px;
}

.accordion__icon::before,
.accordion__icon::after {
    content: '';
    position: absolute;
    background-color: var(--color-accent-gold);
    transition: transform var(--transition-fast);
}

.accordion__icon::before {
    top: 9px;
    left: 2px;
    width: 16px;
    height: 2px;
}

.accordion__icon::after {
    top: 2px;
    left: 9px;
    width: 2px;
    height: 16px;
}

.accordion__btn[aria-expanded="true"] .accordion__icon::after {
    transform: rotate(90deg);
    opacity: 0;
}

.accordion__content {
    background-color: var(--color-bg-primary);
    border-top: 1px solid var(--color-bg-tertiary);
}

.accordion__content:not([hidden]) {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.accordion__inner {
    padding: 1.5rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Final CTA */
.final-cta {
    background: linear-gradient(135deg, var(--color-bg-tertiary), #e9e8e4);
    text-align: center;
    padding: 6rem 0;
}

.final-cta__title {
    font-size: 2rem;
    color: var(--color-accent-green);
    margin-bottom: 1rem;
}

.final-cta__desc {
    margin-bottom: 2.5rem;
    color: var(--color-text-secondary);
}

/* Footer */
.footer {
    background-color: #2c2c2c;
    color: #ffffff;
    padding: 4rem 0 2rem;
}

.footer__inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.footer__name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__link {
    color: #cccccc;
    font-size: 0.9rem;
    text-decoration: underline;
}

.footer__link:hover {
    color: #ffffff;
}

.footer__social-link {
    display: inline-block;
    width: 24px;
    height: 24px;
    color: #cccccc;
}

.footer__social-link:hover {
    color: #ffffff;
}

.footer__bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    font-size: 0.8rem;
    color: #888888;
}

@media (max-width: 767px) {
    .footer__inner {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        text-align: center;
    }
}

/* Animations Utilities */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-delayed {
    opacity: 0;
    animation: fadeIn 0.8s ease 0.3s forwards;
}

.fade-in-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Works Section */
.works .section__lead {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--color-text-secondary);
}

.section__subtitle-en {
    display: inline-block;
    font-family: var(--font-family-en);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-accent-gold);
    letter-spacing: 0.1em;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.works__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.work-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-bg-secondary);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    border: 1px solid var(--color-bg-tertiary);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
    border-color: rgba(184, 155, 104, 0.4);
}

.work-card--latest {
    border: 1px solid rgba(184, 155, 104, 0.4);
    box-shadow: 0 4px 22px rgba(184, 155, 104, 0.08);
}

.work-card--latest:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(184, 155, 104, 0.15);
    border-color: var(--color-accent-gold);
}

.work-card__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
    background-color: var(--color-accent-gold);
    color: #ffffff;
    font-family: var(--font-family-en);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 3px 10px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    pointer-events: none;
}

.work-card__thumbnail {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #2c2c2c;
    overflow: hidden;
}

.work-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.work-card:hover .work-card__thumbnail img {
    transform: scale(1.03);
}

.work-card__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.work-card__play svg {
    margin-left: 3px;
}

.work-card:hover .work-card__play {
    background-color: var(--color-accent-gold);
    transform: translate(-50%, -50%) scale(1.08);
}

.work-card__info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.work-card__title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-primary);
    line-height: 1.5;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.work-card__sub {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: auto;
}

.works__footer-link {
    text-align: center;
    margin-top: 1rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-accent-green);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.btn-link:hover {
    color: var(--color-accent-gold);
    background-color: var(--color-bg-tertiary);
}

.btn-link .arrow {
    transition: transform var(--transition-fast);
}

.btn-link:hover .arrow {
    transform: translateY(3px);
}

@media (max-width: 767px) {
    .works__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .work-card__info {
        padding: 1.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .work-card,
    .work-card__thumbnail img,
    .work-card__play,
    .btn-link .arrow {
        transition: none !important;
        transform: none !important;
    }
}