/* ============================================
   Saiki Salon Theme — Base Styles
   color: CSS Variables（管理画面から差し替え可能にする前提）
   ============================================ */

:root {
    --primary:    #1f1f1f;
    --accent:     #b89968;
    --bg:         #ffffff;
    --surface:    #fafafa;
    --border:     #e5e3df;
    --text:       #2a2a2a;
    --muted:      #888888;
    --link:       var(--primary);
    --cta-bg:     var(--primary);
    --cta-text:   #ffffff;
    --line-green: #06c755;

    --font-sans:   'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', sans-serif;
    --font-serif:  'Noto Serif JP', 'Hiragino Mincho ProN', 'YuMincho', serif;
    --font-en:     'Cormorant Garamond', 'Times New Roman', serif;

    --max-w:      1100px;
    --pad-x:      24px;
}

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

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--link); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.7; }

/* ----- container ----- */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--pad-x);
}

/* ----- typography ----- */
.eyebrow {
    font-family: var(--font-en);
    font-size: 13px;
    letter-spacing: 0.25em;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 16px;
    display: block;
}

h1, h2, h3 { font-family: var(--font-serif); font-weight: 500; letter-spacing: 0.05em; color: var(--primary); }
h1 { font-size: clamp(28px, 5vw, 44px); line-height: 1.4; }
h2 { font-size: clamp(22px, 3.5vw, 32px); line-height: 1.5; margin: 0 0 32px; }
h3 { font-size: 18px; line-height: 1.6; margin: 0 0 12px; }

/* ----- buttons ----- */
.btn {
    display: inline-block;
    padding: 14px 36px;
    background: var(--cta-bg);
    color: var(--cta-text);
    font-family: var(--font-sans);
    font-size: 14px;
    letter-spacing: 0.15em;
    border: 1px solid var(--cta-bg);
    transition: all 0.2s;
}
.btn:hover { opacity: 0.85; }
.btn--ghost {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn--line {
    background: var(--line-green);
    border-color: var(--line-green);
    color: #fff;
}

/* ----- header ----- */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}
.site-header__inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 16px var(--pad-x);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo {
    font-family: var(--font-en);
    font-size: 22px;
    letter-spacing: 0.1em;
    color: var(--primary);
}
.site-logo small {
    display: block;
    font-family: var(--font-serif);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--muted);
    margin-top: 2px;
}
.site-nav { display: flex; gap: 28px; }
.site-nav a {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--text);
}
.site-nav__cta {
    padding: 8px 18px;
    background: var(--primary);
    color: #fff !important;
}
@media (max-width: 768px) {
    .site-nav { display: none; }
}

/* ----- hero ----- */
.hero {
    position: relative;
    min-height: 78vh;
    background:
        linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.5) 100%),
        linear-gradient(135deg, var(--surface) 0%, #f0ebe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px var(--pad-x);
}
.hero__inner { max-width: 720px; }
.hero__title {
    font-family: var(--font-en);
    font-size: clamp(40px, 7vw, 64px);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin: 0 0 12px;
    line-height: 1.2;
}
.hero__title small {
    display: block;
    font-family: var(--font-serif);
    font-size: clamp(13px, 1.5vw, 16px);
    letter-spacing: 0.4em;
    color: var(--muted);
    margin-top: 16px;
}
.hero__copy {
    font-size: clamp(15px, 2vw, 18px);
    line-height: 2;
    margin: 36px 0;
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ----- section base ----- */
.section { padding: 96px var(--pad-x); }
.section--surface { background: var(--surface); }
.section__head { text-align: center; margin-bottom: 56px; }
.section__head h2 { margin: 0; }

/* ----- concept ----- */
.concept__body {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    line-height: 2.2;
    font-size: 15px;
}

/* ----- menu list ----- */
.menu-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    max-width: 720px;
    margin: 0 auto;
    border-top: 1px solid var(--border);
}
.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 22px 0;
    border-bottom: 1px solid var(--border);
    gap: 16px;
}
.menu-item__name {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--primary);
}
.menu-item__name small {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-top: 4px;
    letter-spacing: 0.05em;
}
.menu-item__price {
    font-family: var(--font-en);
    font-size: 22px;
    color: var(--primary);
    white-space: nowrap;
}
.menu-item__price small { font-size: 12px; color: var(--muted); margin-left: 4px; }

/* ----- menu category accordion (3-layer structure) ----- */
.menu-cat {
    border-bottom: 1px solid var(--border);
}
.menu-cat:last-of-type { border-bottom: none; }
.menu-cat__head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 4px;
    cursor: pointer;
    list-style: none;
    font-family: var(--font-serif);
    font-size: 17px;
    color: var(--primary);
    font-weight: 600;
}
.menu-cat__head::-webkit-details-marker { display: none; }
.menu-cat__head::after {
    content: '＋';
    margin-left: auto;
    color: var(--muted);
    font-size: 18px;
    transition: transform 0.2s;
}
.menu-cat[open] .menu-cat__head::after { content: '−'; }
.menu-cat__icon { font-size: 20px; }
.menu-cat__label { flex: 1; }
.menu-cat__note { font-size: 11px; color: var(--muted); font-style: italic; font-weight: 400; }
.menu-cat__body {
    padding: 0 4px 16px;
}
.menu-cat__body .menu-item {
    padding: 14px 0;
}

/* ----- access info ----- */
.access {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    max-width: 880px;
    margin: 0 auto;
}
@media (max-width: 768px) { .access { grid-template-columns: 1fr; gap: 32px; } }
.access dl { margin: 0; }
.access dt {
    font-family: var(--font-en);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--accent);
    margin-bottom: 6px;
    text-transform: uppercase;
}
.access dd {
    margin: 0 0 24px;
    font-size: 15px;
    line-height: 1.9;
}
.access dd table { font-size: 14px; }
.access dd table th { text-align: left; padding-right: 16px; font-weight: 400; color: var(--muted); }

/* ----- footer cta ----- */
.cta-band {
    text-align: center;
    padding: 96px var(--pad-x);
    background: var(--primary);
    color: #fff;
}
.cta-band h2 { color: #fff; margin-bottom: 16px; }
.cta-band p { color: #d0c9be; margin: 0 0 36px; }
.cta-band .btn { background: var(--accent); border-color: var(--accent); }
.cta-band .btn--line { background: var(--line-green); border-color: var(--line-green); }

/* ----- footer ----- */
.site-footer {
    background: var(--primary);
    color: #aaa;
    padding: 48px var(--pad-x) 32px;
    text-align: center;
    font-size: 13px;
    border-top: 1px solid #2a2a2a;
}
.site-footer .site-logo { color: #fff; margin-bottom: 16px; display: inline-block; }
.site-footer .site-logo small { color: #888; }
.site-footer__nav { display: flex; gap: 24px; justify-content: center; margin: 24px 0; flex-wrap: wrap; }
.site-footer__nav a { color: #ccc; font-family: var(--font-sans); font-size: 13px; }
.site-footer__copy { color: #777; font-family: var(--font-en); letter-spacing: 0.15em; font-size: 12px; }

/* ----- main spacing for non-front-page ----- */
.site-main { max-width: var(--max-w); margin: 0 auto; padding: 80px var(--pad-x); }

/* ----- 404 ----- */
.page-404 { text-align: center; padding: 40px 0 80px; }
.page-404__code { font-family: var(--font-en); font-size: 96px; letter-spacing: 0.1em; color: var(--accent, #b08d57); margin: 0 0 8px; }
.page-404__title { font-family: var(--font-serif-jp, var(--font-sans)); font-size: 24px; margin: 0 0 16px; }
.page-404__desc { color: #666; margin: 0 0 32px; }
.page-404__actions { margin-bottom: 40px; }
.page-404__actions .btn-primary {
    display: inline-block; padding: 14px 32px;
    background: var(--accent, #b08d57); color: #fff;
    font-family: var(--font-sans); letter-spacing: 0.1em; font-size: 14px;
    text-decoration: none; border-radius: 2px;
}
.page-404__search { max-width: 480px; margin: 0 auto; }

/* ----- search ----- */
.search-header { margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid #e5e5e5; }
.search-header__title { font-size: 20px; margin: 0 0 16px; font-family: var(--font-serif-jp, var(--font-sans)); }
.search-results { list-style: none; padding: 0; margin: 0; }
.search-results__item { padding: 24px 0; border-bottom: 1px solid #eee; }
.search-results__link { display: block; text-decoration: none; color: inherit; }
.search-results__link:hover .search-results__title { color: var(--accent, #b08d57); }
.search-results__title { font-size: 18px; margin: 0 0 8px; }
.search-results__excerpt { color: #666; font-size: 14px; line-height: 1.7; }
.search-pagination { margin-top: 40px; text-align: center; }
.search-empty { color: #888; padding: 40px 0; text-align: center; }