/* =========================================
   KOBE KIMONO UPCYCLE — Global Stylesheet
   和モダン / 高貴 / 静謐
   ========================================= */

/* ----- Google Fonts ----- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500;700&family=Noto+Sans+JP:wght@300;400;500&display=swap');

/* ----- CSS Variables ----- */
:root {
    --navy:        #1c1c2e;
    --navy-light:  #2a2a42;
    --gold:        #c9a96e;
    --gold-light:  #e8d5a8;
    --cream:       #f8f4ee;
    --cream-dark:  #f0ebe0;
    --text:        #2d2d2d;
    --text-light:  #888888;
    --border:      #e0d8cc;
    --white:       #ffffff;
}

/* ----- Reset / Base ----- */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
    color: var(--text);
    background: var(--cream);
    line-height: 1.85;
    margin: 0;
}

h1, h2, h3, h4, h5 {
    font-family: "Noto Serif JP", "Yu Mincho", serif;
    letter-spacing: 0.08em;
    line-height: 1.6;
}

a { color: var(--gold); }
img { max-width: 100%; height: auto; display: block; }

/* ----- Navigation ----- */
.site-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(28, 28, 46, 0.94);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(201, 169, 110, 0.2);
}
.site-nav .nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.site-logo {
    color: var(--gold-light);
    font-family: "Noto Serif JP", serif;
    font-size: 0.88rem;
    letter-spacing: 0.18em;
    text-decoration: none;
    line-height: 1.3;
}
.site-logo small {
    display: block;
    font-size: 0.6rem;
    color: var(--gold);
    letter-spacing: 0.22em;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 300;
}
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0; padding: 0;
    align-items: center;
}
.nav-links a {
    color: rgba(255,255,255,0.72);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    transition: color 0.25s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links .nav-cta {
    background: var(--gold);
    color: var(--navy) !important;
    padding: 0.45rem 1.25rem;
    border-radius: 2px;
    font-weight: 500;
    transition: background 0.25s;
}
.nav-links .nav-cta:hover { background: var(--gold-light); }

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}
.nav-hamburger span {
    display: block;
    width: 22px; height: 1px;
    background: var(--gold-light);
    transition: all 0.3s;
}

/* ----- Section base ----- */
section { padding: 6rem 1.5rem; }

.section-label {
    display: block;
    font-size: 0.62rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 300;
}
.section-heading {
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.45rem, 3vw, 2.1rem);
    font-weight: 300;
    color: var(--navy);
    margin-bottom: 1.5rem;
}
.section-heading em {
    font-style: normal;
    font-weight: 500;
}

.container-narrow { max-width: 900px; margin: 0 auto; }
.container-wide   { max-width: 1100px; margin: 0 auto; }

/* ----- Divider ----- */
.gold-rule {
    border: none;
    border-top: 1px solid var(--gold);
    opacity: 0.25;
    margin: 3rem 0;
}

/* ----- Buttons ----- */
.btn-gold {
    display: inline-block;
    background: var(--gold);
    color: var(--navy);
    border: none;
    padding: 0.9rem 2.8rem;
    font-family: "Noto Serif JP", serif;
    font-size: 0.88rem;
    letter-spacing: 0.12em;
    border-radius: 2px;
    text-decoration: none;
    transition: background 0.25s, color 0.25s;
    cursor: pointer;
}
.btn-gold:hover { background: var(--gold-light); color: var(--navy); }

.btn-outline-gold {
    display: inline-block;
    background: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    padding: 0.75rem 2rem;
    font-family: "Noto Serif JP", serif;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    border-radius: 2px;
    text-decoration: none;
    transition: all 0.25s;
    cursor: pointer;
}
.btn-outline-gold:hover { background: var(--gold); color: var(--navy); }

/* ----- Hero ----- */
.hero {
    height: 100vh;
    min-height: 640px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--navy);
}
.hero-bg img {
    width: 100%; height: 100%;
    object-fit: cover;
    opacity: 0.38;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(170deg, rgba(28,28,46,0.25) 0%, rgba(28,28,46,0.62) 100%);
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 1.5rem;
    max-width: 820px;
}
.hero-eyebrow {
    display: block;
    color: var(--gold);
    font-size: 0.68rem;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    margin-bottom: 1.8rem;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 300;
}
.hero-title {
    color: #fff;
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 300;
    line-height: 1.65;
    margin-bottom: 1.5rem;
}
.hero-title em { font-style: normal; color: var(--gold-light); font-weight: 500; }
.hero-sub {
    color: rgba(255,255,255,0.68);
    font-size: clamp(0.82rem, 2vw, 1rem);
    letter-spacing: 0.05em;
    line-height: 2;
    margin-bottom: 2.5rem;
}
.hero-scroll-hint {
    color: var(--gold);
    font-size: 0.62rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 44px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    margin: 0.6rem auto 0;
    animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
    0%   { opacity: 1; transform: scaleY(0); transform-origin: top; }
    50%  { opacity: 1; transform: scaleY(1); transform-origin: top; }
    100% { opacity: 0; transform: scaleY(1); transform-origin: top; }
}

/* ----- Pain section ----- */
.pain-section { background: var(--navy); }
.pain-card {
    border-left: 2px solid rgba(201, 169, 110, 0.5);
    padding: 1.5rem 1.5rem 1.5rem 2rem;
    background: rgba(255,255,255,0.04);
    height: 100%;
}
.pain-card h3 {
    font-size: 1rem;
    color: #fff;
    font-weight: 400;
    margin-bottom: 0.5rem;
    font-family: "Noto Serif JP", serif;
}
.pain-card p {
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.75;
}

/* ----- Concept section ----- */
.concept-section { background: var(--cream); }
.concept-quote {
    border-left: 3px solid var(--gold);
    padding-left: 2rem;
    font-family: "Noto Serif JP", serif;
    font-size: clamp(1.05rem, 2.5vw, 1.35rem);
    font-weight: 300;
    color: var(--navy);
    line-height: 2;
    margin-bottom: 2.5rem;
}
.concept-img-wrap {
    position: relative;
    overflow: hidden;
}
.concept-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(201, 169, 110, 0.3);
    pointer-events: none;
}

/* ----- Service cards ----- */
.services-section { background: var(--white); }
.service-card {
    border: 1px solid var(--border);
    padding: 2.8rem 2rem;
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s;
    height: 100%;
    background: var(--white);
}
.service-card:hover {
    border-color: var(--gold);
    box-shadow: 0 8px 40px rgba(201,169,110,0.12);
}
.service-number {
    display: block;
    font-family: "Noto Serif JP", serif;
    font-size: 2rem;
    color: var(--gold);
    opacity: 0.45;
    margin-bottom: 1rem;
    font-weight: 300;
}
.service-card h3 {
    font-family: "Noto Serif JP", serif;
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.8rem;
}
.service-card p {
    font-size: 0.84rem;
    color: var(--text-light);
    line-height: 1.85;
    margin: 0;
}
.service-price {
    display: inline-block;
    margin-top: 1.25rem;
    font-size: 0.78rem;
    color: var(--gold);
    letter-spacing: 0.05em;
}

/* ----- Process steps ----- */
.process-section { background: var(--cream-dark); }
.process-step { text-align: center; }
.step-circle {
    width: 60px; height: 60px;
    border-radius: 50%;
    border: 1px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-family: "Noto Serif JP", serif;
    font-size: 1.1rem;
    color: var(--gold);
    font-weight: 300;
}
.process-step h3 {
    font-family: "Noto Serif JP", serif;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.5rem;
}
.process-step p {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.75;
    margin: 0;
}

/* ----- Blog cards ----- */
.blog-section { background: var(--white); }
.blog-card-link {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}
.blog-card-link:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.blog-card-link:hover { opacity: 0.72; }
.blog-card-link img {
    width: 90px; height: 67px;
    object-fit: cover;
    flex-shrink: 0;
    display: block;
}
.blog-card-cat {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    color: var(--gold);
    margin-bottom: 0.3rem;
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 300;
}
.blog-card-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.25rem;
    line-height: 1.55;
    font-family: "Noto Serif JP", serif;
}
.blog-card-date { font-size: 0.72rem; color: var(--text-light); }

/* ----- Works / Story cards ----- */
.works-card {
    border: 1px solid var(--border);
    overflow: hidden;
    background: var(--white);
    transition: border-color 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.works-card:hover { border-color: var(--gold); box-shadow: 0 8px 40px rgba(201,169,110,0.12); }
.works-card img {
    width: 100%; height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}
.works-card:hover img { transform: scale(1.04); }
.works-card-body { padding: 1.5rem; }
.works-card-tag {
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    color: var(--gold);
    margin-bottom: 0.5rem;
    display: block;
}
.works-card h3 {
    font-family: "Noto Serif JP", serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.5rem;
}
.works-card p {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.75;
    margin: 0;
}

/* ----- CTA section ----- */
.cta-section { background: var(--navy); text-align: center; }
.cta-section .section-heading { color: #fff; }

/* ----- Page header (inner pages) ----- */
.page-hero {
    padding-top: 120px;
    padding-bottom: 4rem;
    background: var(--navy);
    text-align: center;
}
.page-hero .section-label { margin-bottom: 0.75rem; }
.page-hero h1 {
    color: #fff;
    font-size: clamp(1.6rem, 4vw, 2.6rem);
    font-weight: 300;
    margin-bottom: 1rem;
}
.page-hero p { color: rgba(255,255,255,0.6); font-size: 0.88rem; max-width: 500px; margin: 0 auto; }

/* ----- Article body ----- */
.article-body {
    font-size: 0.92rem;
    line-height: 1.95;
    color: #444;
}
.article-body h2 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--navy);
    margin: 3rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.article-body h3 {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--navy);
    margin: 2rem 0 0.75rem;
}
.article-body p { margin-bottom: 1.5rem; }
.article-body blockquote {
    border-left: 3px solid var(--gold);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background: var(--cream);
    font-family: "Noto Serif JP", serif;
    font-size: 1rem;
    color: var(--navy);
}

/* ----- Forms ----- */
.form-group { margin-bottom: 1.5rem; }
.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}
.form-label .required {
    color: var(--gold);
    font-size: 0.7rem;
    margin-left: 0.4rem;
}
.form-control {
    width: 100%;
    border: 1px solid var(--border);
    background: var(--white);
    padding: 0.75rem 1rem;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 0.88rem;
    color: var(--text);
    border-radius: 2px;
    transition: border-color 0.25s;
    outline: none;
    -webkit-appearance: none;
}
.form-control:focus { border-color: var(--gold); }
textarea.form-control { resize: vertical; min-height: 140px; }
select.form-control { cursor: pointer; }

/* ----- Menu / Pricing table ----- */
.menu-card {
    border: 1px solid var(--border);
    padding: 2.5rem;
    background: var(--white);
    margin-bottom: 2rem;
}
.menu-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}
.menu-card-name {
    font-family: "Noto Serif JP", serif;
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--navy);
    margin-bottom: 0.25rem;
}
.menu-card-en { font-size: 0.68rem; color: var(--gold); letter-spacing: 0.2em; }
.menu-card-price {
    font-family: "Noto Serif JP", serif;
    font-size: 1.6rem;
    color: var(--navy);
    font-weight: 300;
    white-space: nowrap;
}
.menu-card-price small { font-size: 0.75rem; color: var(--text-light); }
.menu-feature-list { list-style: none; padding: 0; margin: 0; }
.menu-feature-list li {
    padding: 0.4rem 0;
    font-size: 0.86rem;
    color: #555;
    border-bottom: 1px solid var(--cream-dark);
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}
.menu-feature-list li::before { content: '—'; color: var(--gold); flex-shrink: 0; }

/* ----- Footer ----- */
.site-footer {
    background: var(--navy);
    color: rgba(255,255,255,0.45);
    padding: 3rem 1.5rem 2rem;
    text-align: center;
}
.footer-logo {
    display: block;
    font-family: "Noto Serif JP", serif;
    color: var(--gold);
    font-size: 0.88rem;
    letter-spacing: 0.22em;
    margin-bottom: 1.75rem;
    text-decoration: none;
}
.footer-nav {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem 1.75rem;
}
.footer-nav a {
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    font-size: 0.74rem;
    letter-spacing: 0.1em;
    transition: color 0.25s;
}
.footer-nav a:hover { color: var(--gold); }
.footer-copy { font-size: 0.68rem; letter-spacing: 0.1em; }

/* ----- Breadcrumb ----- */
.breadcrumb-wrap {
    background: var(--cream-dark);
    padding: 0.75rem 1.5rem;
}
.breadcrumb-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.72rem;
    color: var(--text-light);
    flex-wrap: wrap;
}
.breadcrumb-inner a { color: var(--text-light); text-decoration: none; }
.breadcrumb-inner a:hover { color: var(--gold); }
.breadcrumb-inner .sep { opacity: 0.5; }

/* ----- Pagination ----- */
.pager {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}
.pager a, .pager span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    font-size: 0.8rem;
    text-decoration: none;
    color: var(--text-light);
    transition: all 0.2s;
}
.pager a:hover { border-color: var(--gold); color: var(--gold); }
.pager .current { background: var(--gold); border-color: var(--gold); color: var(--navy); }

/* ----- Utility ----- */
.text-gold { color: var(--gold); }
.text-navy { color: var(--navy); }
.bg-navy  { background: var(--navy); }
.bg-cream { background: var(--cream); }

/* ----- Responsive ----- */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    section { padding: 4rem 1.25rem; }
    .hero-title { font-size: 1.65rem; }
    .menu-card-header { flex-direction: column; }
    .menu-card-price { font-size: 1.3rem; }
    .service-card { padding: 2rem 1.5rem; }
    .page-hero { padding-top: 96px; padding-bottom: 3rem; }
}

/* ----- Mobile nav open state ----- */
@media (max-width: 768px) {
    .site-nav.nav-open .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(18, 18, 34, 0.98);
        padding: 1.5rem 2rem 2rem;
        gap: 1.25rem;
        border-top: 1px solid rgba(201, 169, 110, 0.2);
    }
    .site-nav.nav-open .nav-links a {
        font-size: 0.88rem;
        padding: 0.5rem 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .site-nav.nav-open .nav-links .nav-cta {
        margin-top: 0.5rem;
        text-align: center;
        padding: 0.75rem;
        border: none;
    }
    /* Hamburger → ✕ animation */
    .site-nav.nav-open .nav-hamburger span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .site-nav.nav-open .nav-hamburger span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    .site-nav.nav-open .nav-hamburger span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.4rem; }
    .concept-quote { font-size: 1rem; }
}
