/* ==========================================================================
   Tsukiji Sushi — light washi theme
   Washi ivory paper + sumi-ink calligraphy headings + ai-indigo (#1f3b73)
   accents, echoing the brand's seigaiha-wave banner. Deliberately the LIGHT
   contrast to the group's dark microsites.
   (CSS class names kept as sy-* for parity with the shared portal codebase;
   this brand's own additions use a `tj-*` prefix.)
   ========================================================================== */

:root {
    /* Core palette — light washi theme (ivory bg, ink text, indigo accent) */
    --sy-ink:        #1c1c1a;       /* sumi ink — primary text */
    --sy-ink-soft:   #4c4a45;
    --sy-indigo:     #1f3b73;       /* ai indigo — links / accents / CTAs */
    --sy-indigo-deep:#16294f;
    --sy-washi:      #ffffff;       /* elevated light surface (cards) */
    --sy-washi-soft: #f1ede2;
    --sy-paper:      #f7f4ec;       /* page background (washi ivory) */
    --sy-sakura:     #a8323a;       /* subdued crimson — alerts / required */
    --sy-sakura-soft:#d9a0a5;
    --sy-gold:       #9c7c38;       /* antique gold — eyebrows / PH chip */
    --sy-gold-light: #b08d4a;
    --sy-line:       rgba(28,28,26,0.14);
    --sy-line-soft:  rgba(28,28,26,0.07);
    --sy-muted:      #6f6a60;

    /* Type — serif "calligraphy" display + clean sans body */
    --sy-display: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', Georgia, serif;
    --sy-serif:   'Noto Serif JP', 'Hiragino Mincho ProN', Georgia, serif;
    --sy-sans:    'Inter', 'Noto Sans JP', system-ui, -apple-system, sans-serif;

    /* Misc */
    --sy-radius:     2px;
    --sy-radius-md:  10px;
    --sy-shadow-sm:  0 1px 2px rgba(31,42,58,0.05), 0 4px 16px rgba(31,42,58,0.06);
    --sy-shadow:     0 8px 32px rgba(31,42,58,0.10), 0 2px 8px rgba(31,42,58,0.06);
    --sy-shadow-lg:  0 24px 64px rgba(31,42,58,0.14);
    --sy-trans:      cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body.sy-body {
    font-family: var(--sy-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--sy-ink);
    /* Washi paper with a whisper of seigaiha wave rings (brand banner motif). */
    background-color: var(--sy-paper);
    background-image:
        radial-gradient(circle at 100% 50%, transparent 20%, rgba(31,59,115,0.035) 21%, rgba(31,59,115,0.035) 34%, transparent 35%, transparent),
        radial-gradient(circle at 0% 50%, transparent 20%, rgba(31,59,115,0.035) 21%, rgba(31,59,115,0.035) 34%, transparent 35%, transparent);
    background-position: 0 0, 0 -37px;
    background-size: 56px 74px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--sy-indigo); text-decoration: none; transition: color 0.2s var(--sy-trans); }
a:hover { color: var(--sy-indigo-deep); }

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--sy-display);
    font-weight: 500;
    color: var(--sy-ink);
    letter-spacing: 0.01em;
    line-height: 1.25;
    margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.sy-eyebrow {
    font-family: var(--sy-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--sy-gold);
}

.sy-divider {
    display: inline-block;
    width: 56px;
    height: 1px;
    background: var(--sy-gold);
    margin: 1rem 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.sy-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 244, 236, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--sy-line);
}
.sy-nav__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
    height: 76px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.sy-nav__brand {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--sy-ink);
}
.sy-nav__brand:hover { color: var(--sy-ink); }
.sy-nav__brand-mark {
    font-family: var(--sy-display);
    font-weight: 600;
    font-size: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--sy-indigo);
    color: #f7f4ec;
    line-height: 1;
}
/* Calligraphy brand logo (tall vertical lockup, black-on-white) — rendered as a
   slim hanging-scroll tile, height-capped to sit inside the 76px nav bar. */
.sy-nav__brand-logo {
    height: 56px;
    width: auto;
    display: block;
    background: #fff;
    border: 1px solid var(--sy-line);
    border-radius: 6px;
    padding: 3px 2px;
    object-fit: contain;
    flex: 0 0 auto;
}
.sy-nav__brand-text { display: flex; flex-direction: column; line-height: 1; }
.sy-nav__brand-name {
    font-family: var(--sy-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.sy-nav__brand-tagline {
    font-size: 0.65rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--sy-muted);
    margin-top: 4px;
}
.sy-nav__phone {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border: 1px solid var(--sy-indigo);
    border-radius: 4px;
    color: var(--sy-indigo);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    transition: all 0.2s var(--sy-trans);
}
.sy-nav__phone:hover {
    background: var(--sy-indigo);
    color: #f7f4ec;
}
.sy-nav__phone i { font-size: 0.95rem; color: inherit; }
@media (max-width: 600px) {
    .sy-nav__phone span { display: none; }
    .sy-nav__phone { padding: 10px 14px; }
}

/* Legacy CTA / mobile-panel hooks from the shared nav JS (kept for safety) */
.sy-nav__cta { display: none; }
.sy-nav__burger {
    display: none;
    background: transparent;
    border: 0;
    color: var(--sy-ink);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 8px;
}
.sy-nav__mobile-panel { display: none; }
@media (max-width: 900px) {
    .sy-nav__inner { padding: 0 20px; gap: 16px; }
    .sy-nav__brand-tagline { display: none; }
    .sy-nav__mobile-panel {
        display: none;
        flex-direction: column;
        background: var(--sy-paper);
        border-top: 1px solid var(--sy-line);
        padding: 12px 20px 24px;
    }
    .sy-nav__mobile-panel.is-open { display: flex; }
    .sy-nav__mobile-panel a {
        padding: 14px 0;
        border-bottom: 1px solid var(--sy-line-soft);
        color: var(--sy-ink);
        font-size: 1rem;
    }
}

/* ==========================================================================
   Sections & containers
   ========================================================================== */
.sy-section { padding: 96px 0; }
.sy-section--washi { background: var(--sy-washi); }

.sy-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}
.sy-container--narrow { max-width: 920px; }
.sy-container--reading { max-width: 720px; }
@media (max-width: 600px) { .sy-container { padding: 0 20px; } }

/* ==========================================================================
   Banner-style hero (brand banner artwork with overlay copy)
   ========================================================================== */
.sy-hero-banner {
    background: var(--sy-paper);
}
.sy-hero-banner__img {
    position: relative;
    min-height: clamp(380px, 62vh, 760px);
    background: var(--sy-paper) center / cover no-repeat;
    line-height: normal;
    display: flex;
    align-items: flex-end;
    border-bottom: 1px solid var(--sy-line-soft);
}
.sy-hero-banner__overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 32px 36px;
    color: var(--sy-ink);
}
.sy-hero-banner__eyebrow {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--sy-gold);
}
.sy-hero-banner__title {
    font-family: var(--sy-display);
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 600;
    color: var(--sy-ink);
    margin: 10px 0 8px;
    line-height: 1.1;
}
.sy-hero-banner__tag {
    font-size: 1rem;
    color: var(--sy-ink-soft);
    margin: 0;
}
@media (max-width: 600px) {
    .sy-hero-banner__overlay { padding: 26px 20px; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.sy-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 32px;
    font-family: var(--sy-sans);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    border: 1px solid var(--sy-indigo);
    border-radius: 4px;
    background: var(--sy-indigo);
    color: #f7f4ec;
    cursor: pointer;
    transition: all 0.25s var(--sy-trans);
}
.sy-btn:hover {
    background: var(--sy-indigo-deep);
    border-color: var(--sy-indigo-deep);
    color: #f7f4ec;
    transform: translateY(-1px);
}
.sy-btn--ghost {
    background: transparent;
    color: var(--sy-ink);
    border-color: var(--sy-line);
}
.sy-btn--ghost:hover { background: var(--sy-washi); color: var(--sy-indigo); border-color: var(--sy-indigo); }
.sy-btn--light {
    background: var(--sy-washi);
    border-color: var(--sy-ink);
    color: var(--sy-ink);
}
.sy-btn--light:hover { background: var(--sy-indigo); color: #f7f4ec; border-color: var(--sy-indigo); }
.sy-btn--block { display: flex; width: 100%; justify-content: center; }

/* ==========================================================================
   Long-form pages (Error, etc.)
   ========================================================================== */
.sy-page {
    padding: 96px 0 120px;
}
.sy-page__title {
    text-align: center;
    margin-bottom: 56px;
}
.sy-page__title h1 {
    font-size: clamp(2.4rem, 4.5vw, 3.4rem);
    margin-top: 16px;
}
.sy-page__title p {
    color: var(--sy-muted);
    max-width: 56ch;
    margin: 16px auto 0;
}

/* ==========================================================================
   Section headings (outlet list)
   ========================================================================== */
.tj-section-head { text-align: center; max-width: 760px; margin: 0 auto 42px; }
.tj-section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); margin: 10px 0 0.4em; color: var(--sy-ink); }
.tj-section-sub { color: var(--sy-muted); font-size: 0.96rem; line-height: 1.7; }
.tj-section-sub strong { color: var(--sy-indigo); font-weight: 600; }

/* ==========================================================================
   Booking page
   ========================================================================== */
.sy-booking {
    padding: 64px 0 96px;
}
.sy-booking--landing { padding-top: 56px; }
.sy-booking__layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 56px;
    align-items: start;
}
.sy-booking__form {
    background: var(--sy-washi);
    border: 1px solid var(--sy-line);
    border-radius: 6px;
    padding: 48px;
    box-shadow: var(--sy-shadow-sm);
}
.sy-booking__step {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--sy-line-soft);
}
.sy-booking__step:last-child { border-bottom: 0; padding-bottom: 0; margin-bottom: 0; }
.sy-booking__step-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.sy-booking__step-aside {
    margin-left: auto;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sy-muted);
    font-weight: 600;
}
.sy-booking__step-aside strong { color: var(--sy-ink); }
.sy-booking__hint {
    color: var(--sy-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    display: block;
}
.sy-booking__hint strong { color: var(--sy-ink-soft); }
.sy-booking__step-num {
    font-family: var(--sy-display);
    font-size: 1rem;
    color: var(--sy-indigo);
    font-weight: 600;
    letter-spacing: 0.2em;
}
.sy-booking__step-title {
    font-family: var(--sy-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--sy-ink);
    margin: 0;
}
.sy-booking__pax,
.sy-booking__times {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.sy-pax-btn,
.sy-time-btn {
    background: var(--sy-paper);
    border: 1px solid var(--sy-line);
    color: var(--sy-ink);
    padding: 12px 16px;
    font-family: var(--sy-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--sy-trans);
    min-width: 56px;
    text-align: center;
    border-radius: 4px;
}
.sy-pax-btn { padding: 12px 22px; }
.sy-pax-btn:hover,
.sy-time-btn:hover { border-color: var(--sy-indigo); color: var(--sy-indigo); }
.sy-pax-btn.is-active,
.sy-time-btn.is-active {
    background: var(--sy-indigo);
    border-color: var(--sy-indigo);
    color: #f7f4ec;
}
.sy-time-btn.is-full,
.sy-time-btn.is-disabled,
.sy-time-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--sy-washi-soft);
    color: var(--sy-muted);
    pointer-events: none;
}
.sy-time-btn.is-tight { border-color: var(--sy-sakura); color: var(--sy-sakura); }
.sy-time-btn { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; line-height: 1.2; padding: 10px 14px; min-width: 76px; }
.sy-time-btn__time { font-size: 0.95rem; font-weight: 600; letter-spacing: 0.02em; }
.sy-time-btn__meta { font-size: 0.68rem; letter-spacing: 0.04em; color: var(--sy-muted); text-transform: uppercase; }
.sy-time-btn.is-active .sy-time-btn__meta { color: rgba(247,244,236,0.8); }
.sy-time-btn.is-disabled .sy-time-btn__meta,
.sy-time-btn[disabled] .sy-time-btn__meta { text-transform: uppercase; font-weight: 600; }

/* ===== Inline month-grid calendar ===== */
.sy-cal {
    background: var(--sy-paper);
    border: 1px solid var(--sy-line);
    border-radius: 4px;
    padding: 18px 20px 14px;
    box-shadow: var(--sy-shadow-sm);
}
.sy-cal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.sy-cal-title {
    font-family: var(--sy-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--sy-ink);
    letter-spacing: 0.02em;
    text-align: center;
    flex: 1 1 auto;
}
.sy-cal-nav {
    background: transparent;
    border: 1px solid var(--sy-line);
    color: var(--sy-ink);
    width: 36px;
    height: 36px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s var(--sy-trans);
}
.sy-cal-nav:hover:not(:disabled) {
    border-color: var(--sy-indigo);
    color: var(--sy-indigo);
    background: var(--sy-washi);
}
.sy-cal-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}
.sy-cal-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 6px;
}
.sy-cal-weekdays span {
    text-align: center;
    font-size: 0.66rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sy-muted);
    font-weight: 600;
    padding: 6px 0;
}
.sy-cal-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}
.sy-cal-day {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--sy-ink);
    background: transparent;
    cursor: pointer;
    transition: all 0.18s var(--sy-trans);
    user-select: none;
    box-sizing: border-box;
    padding: 4px 2px;
}
.sy-cal-day__num {
    font-family: var(--sy-display);
    font-size: 1.05rem;
    font-weight: 500;
    line-height: 1;
}
.sy-cal-day__chip {
    margin-top: 3px;
    font-size: 0.55rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--sy-gold);
    font-weight: 600;
}
.sy-cal-day:not(.sy-cal-day--disabled):not(.sy-cal-day--locked):not(.sy-cal-day--selected):hover {
    border-color: var(--sy-indigo);
    background: var(--sy-washi);
}
.sy-cal-day:focus-visible {
    outline: 2px solid var(--sy-indigo);
    outline-offset: 2px;
}
.sy-cal-day--blank {
    pointer-events: none;
    cursor: default;
}
.sy-cal-day--today {
    border-color: var(--sy-gold);
    background: rgba(156, 124, 56, 0.08);
}
.sy-cal-day--today .sy-cal-day__num { color: var(--sy-ink); }
.sy-cal-day--selected,
.sy-cal-day--selected:hover {
    background: rgba(31, 59, 115, 0.08);
    border-color: var(--sy-indigo);
    color: var(--sy-indigo);
    box-shadow: 0 2px 8px rgba(31, 59, 115, 0.16);
    transform: translateY(-1px);
}
.sy-cal-day--selected .sy-cal-day__num { color: var(--sy-indigo); font-weight: 700; }
.sy-cal-day--selected .sy-cal-day__chip { color: var(--sy-gold-light); }
.sy-cal-day--selected::after {
    content: "";
    position: absolute;
    top: 4px;
    right: 4px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--sy-indigo);
}
.sy-cal-day--disabled {
    color: var(--sy-muted);
    opacity: 0.32;
    cursor: not-allowed;
    pointer-events: none;
}
.sy-cal-day--locked {
    color: var(--sy-muted);
    opacity: 0.45;
    cursor: not-allowed;
    text-decoration: line-through;
}
.sy-cal-day--locked:hover {
    border-color: transparent;
    background: transparent;
}
.sy-cal-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--sy-line-soft);
    font-size: 0.72rem;
    color: var(--sy-muted);
    letter-spacing: 0.04em;
}
.sy-cal-legend__item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sy-cal-legend__sw {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    border: 1px solid var(--sy-line);
}
.sy-cal-legend__sw--today {
    border-color: var(--sy-gold);
    background: rgba(156, 124, 56, 0.18);
}
.sy-cal-legend__sw--selected {
    background: rgba(31, 59, 115, 0.12);
    border-color: var(--sy-indigo);
}
.sy-cal-legend__sw--locked {
    background: var(--sy-line);
    opacity: 0.5;
}
@media (max-width: 540px) {
    .sy-cal { padding: 14px 10px 10px; }
    .sy-cal-title { font-size: 1.1rem; }
    .sy-cal-day { min-height: 38px; padding: 2px; }
    .sy-cal-day__num { font-size: 0.95rem; }
    .sy-cal-day__chip { font-size: 0.5rem; letter-spacing: 0.1em; }
    .sy-cal-weekdays span { font-size: 0.58rem; padding: 4px 0; letter-spacing: 0.12em; }
    .sy-cal-grid { gap: 3px; }
    .sy-cal-weekdays { gap: 3px; }
    .sy-cal-legend { gap: 10px; font-size: 0.66rem; }
}

/* ===== Form fields ===== */
.sy-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.sy-form-field { display: flex; flex-direction: column; }
.sy-form-field label {
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--sy-muted);
    font-weight: 600;
    margin-bottom: 8px;
}
.sy-form-field label .req { color: var(--sy-sakura); }
.sy-form-field input,
.sy-form-field textarea {
    border: 1px solid var(--sy-line);
    border-radius: 4px;
    background: var(--sy-paper);
    color: var(--sy-ink);
    padding: 14px 16px;
    font-family: var(--sy-sans);
    font-size: 0.95rem;
    transition: border-color 0.2s var(--sy-trans);
}
.sy-form-field input:focus,
.sy-form-field textarea:focus {
    outline: none;
    border-color: var(--sy-indigo);
    background: var(--sy-washi);
}
.sy-form-field textarea { resize: vertical; min-height: 96px; }
.sy-form-field--full { grid-column: 1 / -1; }

/* ===== Occasion picker ===== */
.sy-occasions {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
}
.sy-occasion {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 8px;
    border: 1px solid var(--sy-line);
    border-radius: 6px;
    background: var(--sy-paper);
    cursor: pointer;
    transition: all 0.2s var(--sy-trans);
    text-align: center;
}
.sy-occasion:hover { border-color: var(--sy-indigo); }
.sy-occasion.is-active {
    background: rgba(31, 59, 115, 0.07);
    border-color: var(--sy-indigo);
    color: var(--sy-indigo);
}
.sy-occasion input { display: none; }
.sy-occasion i { font-size: 1.4rem; color: var(--sy-indigo); opacity: 0.75; }
.sy-occasion.is-active i { opacity: 1; }
.sy-occasion span {
    font-size: 0.78rem;
    font-weight: 500;
}
@media (max-width: 768px) { .sy-occasions { grid-template-columns: repeat(3, 1fr); } }

/* ===== T&C box + checkbox ===== */
.sy-tnc-box {
    background: var(--sy-paper);
    border: 1px solid var(--sy-line-soft);
    border-left: 3px solid var(--sy-indigo);
    padding: 20px 24px;
    margin: 8px 0 16px;
    max-height: 260px;
    overflow-y: auto;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--sy-ink-soft);
}
.sy-tnc-box p { margin-bottom: 0.8em; }
.sy-tnc-box strong { color: var(--sy-ink); }

.sy-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--sy-ink-soft);
    user-select: none;
}
.sy-checkbox input { margin-top: 4px; flex-shrink: 0; transform: scale(1.15); accent-color: var(--sy-indigo); }

/* ===== Sidebar (indigo ink panel — the page's one deep-color block) ===== */
.sy-booking__sidebar {
    position: sticky;
    top: 96px;
    background: var(--sy-indigo);
    color: #f7f4ec;
    padding: 40px 32px;
    border-radius: 6px;
    box-shadow: var(--sy-shadow);
}
.sy-booking__sidebar h3 {
    color: #f7f4ec;
    font-size: 1.5rem;
}
.sy-booking__sidebar .sy-eyebrow { color: #c9a55e; }
.sy-booking__sidebar p { color: rgba(247,244,236,0.82); font-size: 0.92rem; }
.sy-booking__sidebar a { color: #f7f4ec; }
.sy-booking__sidebar i { color: #c9a55e; margin-right: 4px; }
.sy-booking__summary {
    margin: 24px 0;
    padding: 24px 0;
    border-top: 1px solid rgba(247,244,236,0.2);
    border-bottom: 1px solid rgba(247,244,236,0.2);
}
.sy-booking__summary-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.92rem;
}
.sy-booking__summary-row span:first-child {
    color: rgba(247,244,236,0.65);
    letter-spacing: 0.08em;
    font-size: 0.78rem;
    text-transform: uppercase;
}
.sy-booking__summary-row span:last-child {
    font-family: var(--sy-display);
    color: #f7f4ec;
    font-size: 1.05rem;
}

/* ===== Alerts / inline validation ===== */
.sy-alert {
    padding: 16px 20px;
    background: var(--sy-washi);
    border: 1px solid var(--sy-line-soft);
    border-left: 3px solid var(--sy-sakura);
    border-radius: 4px;
    margin-bottom: 24px;
    color: var(--sy-ink);
    font-size: 0.92rem;
    line-height: 1.6;
}
.sy-alert--ok { border-left-color: var(--sy-gold); }
.sy-alert i { color: var(--sy-sakura); margin-right: 4px; }
.sy-alert--ok i { color: var(--sy-gold); }

.sy-form-error {
    background: #fdf3f1;
    border: 1px solid #ecc5be;
    border-left: 4px solid var(--sy-sakura);
    padding: 16px 20px 18px;
    margin-bottom: 24px;
    border-radius: 6px;
}
.sy-form-error__head {
    display: flex; align-items: center; gap: 10px;
    color: #8c3a30;
    font-weight: 600;
    margin-bottom: 8px;
}
.sy-form-error__head i { font-size: 1.05rem; }
.sy-form-error__list {
    margin: 0; padding-left: 22px;
    color: #5d2a23;
    font-size: 0.92rem; line-height: 1.65;
}
.sy-form-error__list li + li { margin-top: 2px; }

/* Shake to draw the eye when the error panel reappears */
@keyframes sy-shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-4px); }
    40% { transform: translateX(4px); }
    60% { transform: translateX(-3px); }
    80% { transform: translateX(2px); }
}
.sy-shake { animation: sy-shake 0.45s ease; }

/* ===== Loading overlay (shown while submitting) ===== */
.sy-loading-overlay {
    position: fixed; inset: 0;
    background: rgba(28, 28, 26, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}
.sy-loading-overlay.is-on {
    opacity: 1; visibility: visible;
    transition: opacity 0.25s ease, visibility 0s linear 0s;
}
.sy-loading-overlay__panel {
    background: var(--sy-paper, #f7f4ec);
    color: var(--sy-ink, #1c1c1a);
    padding: 36px 48px;
    border-radius: 6px;
    text-align: center;
    box-shadow: 0 24px 60px rgba(28,28,26,0.3);
    max-width: 420px;
    border-top: 3px solid var(--sy-indigo, #1f3b73);
}
.sy-loading-overlay__seal {
    width: 64px; height: 64px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: var(--sy-indigo, #1f3b73);
    color: #f7f4ec;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
}
.sy-loading-overlay__seal i { animation: spin 1.1s linear infinite; }
.sy-loading-overlay__title {
    font-family: var(--sy-display, serif);
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 6px;
}
.sy-loading-overlay__sub {
    color: var(--sy-muted, #6f6a60);
    font-size: 0.92rem;
    line-height: 1.55;
}
@keyframes spin { 100% { transform: rotate(360deg); } }

@media (max-width: 900px) {
    .sy-booking__layout { grid-template-columns: 1fr; }
    .sy-booking__form { padding: 28px 20px; }
    .sy-booking__sidebar { position: static; padding: 32px 24px; }
    .sy-form-row { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Confirmation
   ========================================================================== */
.sy-confirm {
    padding: 96px 0;
    text-align: center;
}
.sy-confirm__seal {
    width: 96px; height: 96px;
    margin: 0 auto 24px;
    border: 2px solid var(--sy-indigo);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sy-indigo);
    font-size: 2.4rem;
    background: var(--sy-washi);
}

/* ===== Saveable booking pass (light washi ticket, indigo seal) ===== */
.sy-pass {
    max-width: 540px;
    margin: 16px auto 0;
    background: #fbf8f1;
    border: 1px solid #d4b886;
    padding: 36px 36px 28px;
    text-align: left;
    position: relative;
    box-shadow: 0 8px 32px rgba(31, 42, 58, 0.08);
}
.sy-pass::before {
    content: '鮨';
    position: absolute;
    top: 24px; right: 28px;
    font-family: var(--sy-display);
    font-size: 7rem;
    line-height: 1;
    color: rgba(31, 59, 115, 0.06);
    pointer-events: none;
    font-weight: 700;
}
.sy-pass__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 20px;
    border-bottom: 1px dashed rgba(156, 124, 56, 0.4);
}
.sy-pass__brand {
    display: flex;
    gap: 14px;
    align-items: center;
}
.sy-pass__mark {
    width: 44px; height: 44px;
    background: var(--sy-indigo);
    color: #f7f4ec;
    border-radius: 8px;
    font-family: var(--sy-display);
    font-size: 1.5rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex: 0 0 44px;
}
/* Calligraphy logo on the saveable booking pass (light cream ticket). */
.sy-pass__logo {
    height: 52px;
    width: auto;
    display: block;
    background: #fff;
    border: 1px solid var(--sy-line);
    border-radius: 6px;
    padding: 2px;
    object-fit: contain;
    flex: 0 0 auto;
}
.sy-pass__brand-name {
    font-family: var(--sy-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--sy-ink);
    line-height: 1.1;
}
.sy-pass__brand-line {
    font-size: 0.65rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--sy-gold);
    font-weight: 600;
    margin-top: 4px;
}
.sy-pass__ref { text-align: right; }
.sy-pass__ref span {
    font-size: 0.6rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--sy-muted);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}
.sy-pass__ref strong {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 1.05rem;
    color: var(--sy-ink);
    letter-spacing: 0.08em;
    font-weight: 700;
}
.sy-pass__title {
    padding: 24px 0 12px;
    text-align: center;
    border-bottom: 1px solid rgba(156, 124, 56, 0.18);
}
.sy-pass__eyebrow {
    font-size: 0.62rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--sy-gold);
    font-weight: 600;
}
.sy-pass__title h2 {
    font-family: var(--sy-display);
    font-size: 1.6rem;
    color: var(--sy-ink);
    font-weight: 500;
    margin: 8px 0 0;
}
.sy-pass__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 24px;
    padding: 24px 0;
}
.sy-pass__cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.sy-pass__cell span {
    font-size: 0.62rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--sy-muted);
    font-weight: 600;
}
.sy-pass__cell strong {
    font-family: var(--sy-display);
    font-size: 1.05rem;
    color: var(--sy-ink);
    font-weight: 500;
}
.sy-pass__foot {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed rgba(156, 124, 56, 0.4);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}
.sy-pass__addr {
    font-size: 0.78rem;
    color: var(--sy-ink-soft);
    line-height: 1.7;
}
.sy-pass__addr i {
    color: var(--sy-indigo);
    margin-right: 6px;
    width: 16px;
    display: inline-block;
}
.sy-pass__line {
    font-family: var(--sy-display);
    font-size: 0.85rem;
    color: var(--sy-gold);
    text-align: right;
    white-space: nowrap;
}
@media (max-width: 600px) {
    .sy-pass { padding: 24px 22px 22px; }
    .sy-pass::before { font-size: 5rem; right: 16px; }
    .sy-pass__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .sy-pass__foot { flex-direction: column; align-items: flex-start; }
    .sy-pass__line { text-align: left; white-space: normal; }
}

.sy-confirm__actions {
    margin-top: 32px;
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.sy-confirm__share {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--sy-muted);
    line-height: 1.7;
    max-width: 56ch;
    margin-left: auto;
    margin-right: auto;
}
.sy-confirm__share i { color: var(--sy-gold); margin-right: 4px; }

/* ==========================================================================
   Footer — sumi-ink block grounding the light page
   ========================================================================== */
.sy-footer {
    background: #211f1a;
    color: rgba(247,244,236,0.75);
    padding: 80px 0 0;
    margin-top: 24px;
}
.sy-footer__top {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px 64px;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 48px;
}
.sy-footer__brand { display: flex; gap: 16px; align-items: center; margin-bottom: 16px; }
.sy-footer__mark {
    width: 48px; height: 48px;
    background: var(--sy-indigo);
    color: #f7f4ec;
    border-radius: 8px;
    font-family: var(--sy-display);
    font-size: 1.6rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    flex: 0 0 48px;
}
/* Calligraphy logo on the dark footer — white washi tile, like a hanko stamp. */
.sy-footer__logo {
    height: 64px;
    width: auto;
    display: block;
    background: #fff;
    border-radius: 6px;
    padding: 3px 2px;
    object-fit: contain;
    flex: 0 0 auto;
}
.sy-footer__social {
    margin-top: 16px;
    display: flex;
    gap: 12px;
}
.sy-footer__social a {
    width: 36px; height: 36px;
    border: 1px solid rgba(247,244,236,0.18);
    color: rgba(247,244,236,0.7);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s var(--sy-trans);
}
.sy-footer__social a:hover {
    background: var(--sy-indigo);
    color: #fff;
    border-color: var(--sy-indigo);
}
.sy-footer__name {
    color: #f7f4ec;
    font-family: var(--sy-display);
    font-size: 1.3rem;
    font-weight: 500;
}
.sy-footer__line {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #c9a55e;
    margin-top: 4px;
}
.sy-footer__about { font-size: 0.92rem; line-height: 1.75; color: rgba(247,244,236,0.6); }
.sy-footer__col h6 {
    color: #f7f4ec;
    font-family: var(--sy-sans);
    font-size: 0.7rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    margin-bottom: 18px;
    font-weight: 600;
}
.sy-footer__col a {
    display: block;
    color: rgba(247,244,236,0.7);
    padding: 6px 0;
    font-size: 0.92rem;
}
.sy-footer__col a:hover { color: #c9a55e; }
/* Social icons live inside .sy-footer__col, whose generic `a` rule above forces
   display:block + padding and breaks the inline-flex centering. Re-assert a
   centred, padding-free flex box with higher specificity. */
.sy-footer__col .sy-footer__social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}
.sy-footer__col p { font-size: 0.92rem; color: rgba(247,244,236,0.7); margin-bottom: 8px; }
.sy-footer__small { font-size: 0.78rem !important; color: rgba(247,244,236,0.5) !important; }
.sy-footer__bottom {
    border-top: 1px solid rgba(247,244,236,0.12);
    padding: 24px 32px;
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: rgba(247,244,236,0.5);
}
.sy-footer__legal a { color: rgba(247,244,236,0.7); border-bottom: 1px solid rgba(247,244,236,0.2); }
@media (max-width: 900px) {
    .sy-footer__top { grid-template-columns: 1fr 1fr; gap: 32px; padding-bottom: 40px; }
}
@media (max-width: 600px) {
    .sy-footer__top { grid-template-columns: 1fr; }
    .sy-footer__bottom { flex-direction: column; padding: 20px; }
}

/* ===== Floating WhatsApp CTA (global, bottom-right) ===== */
.sy-wa-float {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 1000;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    display: grid;
    place-items: center;
    text-decoration: none;
    box-shadow: 0 10px 26px rgba(37, 211, 102, 0.42), 0 4px 12px rgba(28, 28, 26, 0.18);
    transition: transform .2s ease, box-shadow .2s ease;
}
.sy-wa-float:hover,
.sy-wa-float:focus-visible {
    color: #fff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 14px 34px rgba(37, 211, 102, 0.52), 0 6px 16px rgba(28, 28, 26, 0.22);
}
.sy-wa-float__icon {
    position: relative;
    z-index: 2;
    width: 31px;
    height: 31px;
    display: block;
}
.sy-wa-float__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: #25d366;
    z-index: 1;
    animation: sy-wa-pulse 2.4s cubic-bezier(.4, 0, .2, 1) infinite;
}
@keyframes sy-wa-pulse {
    0%   { transform: scale(1);   opacity: .5; }
    70%  { transform: scale(1.9); opacity: 0; }
    100% { transform: scale(1.9); opacity: 0; }
}
.sy-wa-float__label {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    white-space: nowrap;
    background: #1f2a24;
    color: #fff;
    font-family: 'Inter', system-ui, sans-serif;
    font-size: .82rem;
    font-weight: 600;
    letter-spacing: .01em;
    padding: 9px 15px;
    border-radius: 9px;
    box-shadow: 0 8px 22px rgba(28, 28, 26, 0.24);
    opacity: 0;
    pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
}
.sy-wa-float__label::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 6px solid #1f2a24;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}
.sy-wa-float:hover .sy-wa-float__label,
.sy-wa-float:focus-visible .sy-wa-float__label {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}
@media (max-width: 600px) {
    .sy-wa-float { right: 16px; bottom: 16px; width: 54px; height: 54px; }
    .sy-wa-float__icon { width: 29px; height: 29px; }
    .sy-wa-float__label { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .sy-wa-float__pulse { animation: none; opacity: 0; }
}