/*
Theme Name: DRIP & CO.
Theme URI:
Author: Ryosuke Tsuboi
Description: ナチュラルで温かみのあるカフェサイト。ACF + カスタムテーマによるサンプルサイト。
Version: 1.0.0
Text Domain: drip-and-co
*/

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
    /* Colors */
    --dc-white: #FDFCFA;
    --dc-off-white: #F5F0EB;
    --dc-beige: #E8DDD0;
    --dc-beige-light: #F0E8DE;
    --dc-terracotta: #C4704B;
    --dc-terracotta-hover: #B5613C;
    --dc-terracotta-light: rgba(196, 112, 75, 0.08);
    --dc-brown: #8B7355;
    --dc-brown-dark: #3A3028;
    --dc-brown-text: #4A3F35;
    --dc-sage: #7A8B6F;
    --dc-sage-light: rgba(122, 139, 111, 0.1);
    --dc-text: #3A3028;
    --dc-text-muted: #8C8278;
    --dc-text-light: #A69E96;
    --dc-border: rgba(58, 48, 40, 0.1);
    --dc-border-dark: rgba(58, 48, 40, 0.2);
    --dc-shadow-sm: 0 2px 8px rgba(58, 48, 40, 0.06);
    --dc-shadow-md: 0 4px 20px rgba(58, 48, 40, 0.08);
    --dc-shadow-lg: 0 8px 40px rgba(58, 48, 40, 0.12);

    /* Typography */
    --dc-font-serif: 'Cormorant Garamond', 'Georgia', serif;
    --dc-font-body: 'Noto Sans JP', sans-serif;
    --dc-lh-body: 1.8;
    --dc-lh-heading: 1.3;

    /* Spacing */
    --dc-header-height: 72px;
    --dc-container-width: 1100px;
    --dc-container-narrow: 800px;
    --dc-container-padding: 24px;
    --dc-section-padding: 100px;
    --dc-gap: 32px;

    /* Transitions */
    --dc-transition: 0.3s ease;
    --dc-transition-slow: 0.5s ease;

    /* Border Radius */
    --dc-radius-sm: 4px;
    --dc-radius-md: 8px;
    --dc-radius-lg: 16px;
    --dc-radius-full: 50px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--dc-header-height) + 16px);
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--dc-font-body);
    font-size: 15px;
    line-height: var(--dc-lh-body);
    color: var(--dc-text);
    background-color: var(--dc-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--dc-terracotta);
    text-decoration: none;
    transition: color var(--dc-transition);
}

a:hover {
    color: var(--dc-terracotta-hover);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--dc-font-serif);
    font-weight: 500;
    line-height: var(--dc-lh-heading);
    color: var(--dc-brown-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
    margin-bottom: 1em;
}

p:last-child {
    margin-bottom: 0;
}

/* ============================================
   Layout Utilities
   ============================================ */
.dc-container {
    max-width: var(--dc-container-width);
    margin: 0 auto;
    padding: 0 var(--dc-container-padding);
}

.dc-container--narrow {
    max-width: var(--dc-container-narrow);
}

.dc-section {
    padding: var(--dc-section-padding) 0;
}

.dc-section--beige {
    background-color: var(--dc-off-white);
}

.dc-section--white {
    background-color: var(--dc-white);
}

.dc-section-header {
    text-align: center;
    margin-bottom: 56px;
}

.dc-section-label {
    display: inline-block;
    font-family: var(--dc-font-serif);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--dc-terracotta);
    margin-bottom: 12px;
}

.dc-section-header h2 {
    margin-bottom: 16px;
}

.dc-section-subtitle {
    font-size: 0.9375rem;
    color: var(--dc-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.dc-divider {
    width: 40px;
    height: 1px;
    background-color: var(--dc-terracotta);
    margin: 20px auto;
}

/* ============================================
   Header
   ============================================ */
.dc-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--dc-header-height);
    z-index: 1000;
    transition: background-color var(--dc-transition), box-shadow var(--dc-transition);
}

.dc-header.is-scrolled {
    background-color: rgba(253, 252, 250, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--dc-shadow-sm);
}

.dc-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--dc-container-width);
    margin: 0 auto;
    padding: 0 var(--dc-container-padding);
}

.dc-header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--dc-brown-dark);
    z-index: 1001;
}

.dc-header__logo-icon {
    font-size: 1.25rem;
    color: var(--dc-terracotta);
}

.dc-header__logo-text {
    font-family: var(--dc-font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    letter-spacing: 0.08em;
}

.dc-header__nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.dc-header__nav-link {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--dc-brown-text);
    text-decoration: none;
    position: relative;
    padding: 4px 0;
    transition: color var(--dc-transition);
}

.dc-header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--dc-terracotta);
    transition: width var(--dc-transition);
}

.dc-header__nav-link:hover {
    color: var(--dc-terracotta);
}

.dc-header__nav-link:hover::after {
    width: 100%;
}

.dc-header__cta {
    margin-left: 8px;
}

/* Hamburger */
.dc-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    gap: 6px;
}

.dc-hamburger__line {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--dc-brown-dark);
    transition: transform var(--dc-transition), opacity var(--dc-transition);
}

.dc-hamburger.is-active .dc-hamburger__line:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.dc-hamburger.is-active .dc-hamburger__line:nth-child(2) {
    opacity: 0;
}

.dc-hamburger.is-active .dc-hamburger__line:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Navigation */
.dc-mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(253, 252, 250, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dc-transition-slow), visibility var(--dc-transition-slow);
}

.dc-mobile-nav.is-open {
    opacity: 1;
    visibility: visible;
}

.dc-mobile-nav__link {
    font-family: var(--dc-font-serif);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--dc-brown-dark);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color var(--dc-transition);
}

.dc-mobile-nav__link:hover {
    color: var(--dc-terracotta);
}

/* ============================================
   Buttons
   ============================================ */
.dc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--dc-font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: var(--dc-radius-full);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--dc-transition);
    height: 46px;
    white-space: nowrap;
}

.dc-btn--primary {
    background-color: var(--dc-terracotta);
    color: #fff;
    border-color: var(--dc-terracotta);
}

.dc-btn--primary:hover {
    background-color: var(--dc-terracotta-hover);
    border-color: var(--dc-terracotta-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--dc-shadow-md);
}

.dc-btn--outline {
    background-color: transparent;
    color: var(--dc-terracotta);
    border-color: var(--dc-terracotta);
}

.dc-btn--outline:hover {
    background-color: var(--dc-terracotta);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--dc-shadow-md);
}

.dc-btn--white {
    background-color: #fff;
    color: var(--dc-terracotta);
    border-color: #fff;
}

.dc-btn--white:hover {
    background-color: var(--dc-off-white);
    color: var(--dc-terracotta-hover);
    transform: translateY(-2px);
    box-shadow: var(--dc-shadow-md);
}

.dc-btn--lg {
    padding: 14px 36px;
    font-size: 0.9375rem;
    height: 52px;
}

.dc-btn--sm {
    padding: 8px 20px;
    font-size: 0.8125rem;
    height: 38px;
}

/* ============================================
   Cards
   ============================================ */
.dc-card {
    background-color: #fff;
    border-radius: var(--dc-radius-lg);
    overflow: hidden;
    transition: transform var(--dc-transition), box-shadow var(--dc-transition);
    border: 1px solid var(--dc-border);
}

.dc-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--dc-shadow-lg);
}

.dc-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.dc-card__body {
    padding: 24px;
}

.dc-card__tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--dc-terracotta);
    background-color: var(--dc-terracotta-light);
    padding: 4px 12px;
    border-radius: var(--dc-radius-full);
    margin-bottom: 12px;
}

.dc-card__title {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.dc-card__text {
    font-size: 0.875rem;
    color: var(--dc-text-muted);
    line-height: 1.7;
}

.dc-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8125rem;
    color: var(--dc-text-muted);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--dc-border);
}

/* ============================================
   Page Header (Sub Pages)
   ============================================ */
.dc-page-header {
    position: relative;
    padding: 160px 0 80px;
    background-color: var(--dc-off-white);
    text-align: center;
    overflow: hidden;
}

.dc-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, var(--dc-terracotta-light) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, var(--dc-sage-light) 0%, transparent 50%);
    opacity: 0.6;
}

.dc-page-header__content {
    position: relative;
    z-index: 1;
}

.dc-page-header__label {
    display: inline-block;
    font-family: var(--dc-font-serif);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--dc-terracotta);
    margin-bottom: 12px;
}

.dc-page-header h1 {
    margin-bottom: 16px;
}

.dc-page-header__subtitle {
    font-size: 0.9375rem;
    color: var(--dc-text-muted);
}

/* ============================================
   Scroll Animations
   ============================================ */
.dc-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.dc-animate--left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.dc-animate--right {
    opacity: 0;
    transform: translateX(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.dc-animate.is-visible,
.dc-animate--left.is-visible,
.dc-animate--right.is-visible {
    opacity: 1;
    transform: translate(0, 0);
}

.dc-animate-delay-1 { transition-delay: 0.1s; }
.dc-animate-delay-2 { transition-delay: 0.2s; }
.dc-animate-delay-3 { transition-delay: 0.3s; }
.dc-animate-delay-4 { transition-delay: 0.4s; }

/* ============================================
   Utility Classes
   ============================================ */
.dc-btn--ghost-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.dc-btn--ghost-white:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    transform: translateY(-2px);
}

.dc-btn--full {
    width: 100%;
    justify-content: center;
}

.dc-text--center {
    text-align: center;
}

.dc-text--muted-sm {
    font-size: 0.875rem;
    color: var(--dc-text-muted);
}

/* ============================================
   CTA Section
   ============================================ */
.dc-cta {
    position: relative;
    padding: 80px 0;
    background-color: var(--dc-terracotta);
    text-align: center;
    overflow: hidden;
}

.dc-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 85% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.dc-cta__content {
    position: relative;
    z-index: 1;
}

.dc-cta h2 {
    color: #fff;
    margin-bottom: 16px;
}

.dc-cta__text {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9375rem;
    margin-bottom: 32px;
}

.dc-cta__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.dc-cta__note {
    margin-top: 24px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
}

.dc-cta .dc-section-label {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Footer
   ============================================ */
.dc-footer {
    background-color: var(--dc-brown-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 32px;
}

.dc-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 48px;
}

.dc-footer__brand-name {
    font-family: var(--dc-font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.06em;
    margin-bottom: 12px;
}

.dc-footer__brand-desc {
    font-size: 0.8125rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.dc-footer__social {
    display: flex;
    gap: 12px;
}

.dc-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    transition: all var(--dc-transition);
}

.dc-footer__social-link:hover {
    background-color: var(--dc-terracotta);
    color: #fff;
}

.dc-footer__heading {
    font-family: var(--dc-font-serif);
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.dc-footer__link {
    display: block;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: 4px 0;
    transition: color var(--dc-transition);
}

.dc-footer__link:hover {
    color: var(--dc-terracotta);
}

.dc-footer__info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.8125rem;
    margin-bottom: 12px;
    min-width: 0;
}

.dc-footer__info-item span {
    overflow-wrap: break-word;
    word-break: break-all;
    min-width: 0;
}

.dc-footer__info-item i {
    color: var(--dc-terracotta);
    margin-top: 3px;
    font-size: 0.75rem;
    width: 14px;
    text-align: center;
}

.dc-footer__info-item--spaced {
    margin-top: 16px;
}

.dc-btn--ghost-footer {
    border-color: rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

.dc-btn--ghost-footer:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.dc-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --dc-section-padding: 80px;
    }

    .dc-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --dc-section-padding: 64px;
        --dc-header-height: 64px;
        --dc-gap: 24px;
    }

    .dc-header__nav {
        display: none;
    }

    .dc-hamburger {
        display: flex;
    }

    .dc-mobile-nav {
        display: flex;
    }

    .dc-section-header {
        margin-bottom: 40px;
    }

    .dc-page-header {
        padding: 120px 0 56px;
    }

    .dc-footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --dc-section-padding: 56px;
        --dc-container-padding: 16px;
    }

    .dc-btn--lg {
        padding: 12px 28px;
        font-size: 0.875rem;
        height: 46px;
    }
}