/* ==========================================================================
   pallet.toshin-g.jp  —  Main stylesheet
   Design: "Industrial Editorial" — serious BtoB with editorial sensibility
   Typography: Shippori Mincho × Noto Sans JP × JetBrains Mono
   ========================================================================== */


/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
    /* Paper / warmth */
    --c-paper:       #f7f4ed;
    --c-paper-2:     #efeadf;
    --c-paper-3:     #e6dfce;

    /* Ink */
    --c-ink:         #1a1611;
    --c-ink-2:       #2a241d;
    --c-ink-3:       #5c4f42;
    --c-muted:       #8a7d6d;

    /* Rules */
    --c-rule:        #d8ceb8;
    --c-rule-soft:   #e6dfce;

    /* Brand stamp accent (ISPM15 焼印) */
    --c-stamp:       #b8441c;       /* primary accent — fire-brand orange-red */
    --c-stamp-dk:    #8a2f12;
    --c-stamp-lt:    #e06a42;

    /* Wood tones */
    --c-wood:        #8b5a2b;
    --c-wood-dk:     #5c3a1a;

    /* Functional */
    --c-success:     #4d7c0f;
    --c-danger:      #b91c1c;

    /* Spacing scale */
    --sp-1:  4px;
    --sp-2:  8px;
    --sp-3:  12px;
    --sp-4:  16px;
    --sp-5:  24px;
    --sp-6:  32px;
    --sp-7:  48px;
    --sp-8:  64px;
    --sp-9:  96px;
    --sp-10: 128px;

    /* Typography */
    --ff-display:  "Shippori Mincho B1", "Yu Mincho", "游明朝", serif;
    --ff-body:     "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
    --ff-mono:     "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

    /* Content width */
    --content-max:  1240px;
    --content-narrow: 840px;
    --content-wide: 1400px;

    /* Radii (restrained — this is industrial) */
    --r-sm: 2px;
    --r-md: 4px;
    --r-lg: 8px;
}


/* --------------------------------------------------------------------------
   2. Reset + base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--ff-body);
    font-weight: 400;
    font-size: 16px;
    line-height: 1.85;
    color: var(--c-ink);
    background-color: var(--c-paper);
    /* Subtle paper grain */
    background-image:
        radial-gradient(circle at 20% 30%, rgba(139,90,43,0.025) 0, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(184,68,28,0.015) 0, transparent 40%);
    background-attachment: fixed;
    font-feature-settings: "palt" 1;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--c-ink);
    text-decoration: none;
    transition: color 0.18s ease;
}
a:hover { color: var(--c-stamp); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ff-display);
    font-weight: 700;
    color: var(--c-ink);
    letter-spacing: 0.02em;
    line-height: 1.5;
    margin: 0;
}

p { margin: 0 0 1em 0; }

ul, ol { margin: 0 0 1em 0; padding-left: 1.4em; }
ul li, ol li { margin-bottom: 0.4em; }

strong, b { font-weight: 700; color: var(--c-ink); }

hr {
    border: 0;
    border-top: 1px solid var(--c-rule);
    margin: var(--sp-7) 0;
}

::selection { background: var(--c-stamp); color: var(--c-paper); }

/* Skip link (accessibility) */
.skip-link {
    position: absolute;
    top: -40px; left: 0;
    background: var(--c-ink); color: var(--c-paper);
    padding: 8px 16px;
    z-index: 1000;
}
.skip-link:focus { top: 0; }


/* --------------------------------------------------------------------------
   3. Layout utilities
   -------------------------------------------------------------------------- */
.wrap,
.wrap-narrow,
.wrap-wide {
    width: 100%;
    margin: 0 auto;
    padding-left: var(--sp-5);
    padding-right: var(--sp-5);
}
.wrap        { max-width: var(--content-max); }
.wrap-narrow { max-width: var(--content-narrow); }
.wrap-wide   { max-width: var(--content-wide); }

@media (min-width: 768px) {
    .wrap, .wrap-narrow, .wrap-wide {
        padding-left: var(--sp-6);
        padding-right: var(--sp-6);
    }
}


/* --------------------------------------------------------------------------
   4. Site header
   -------------------------------------------------------------------------- */
.site-header {
    background: var(--c-paper);
    border-bottom: 1px solid var(--c-rule);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: saturate(140%) blur(8px);
    background-color: rgba(247, 244, 237, 0.92);
}

.site-header__bar {
    border-bottom: 1px solid var(--c-rule-soft);
}

.site-header__inner {
    max-width: var(--content-wide);
    margin: 0 auto;
    padding: var(--sp-4) var(--sp-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-5);
}
@media (min-width: 768px) {
    .site-header__inner { padding: var(--sp-4) var(--sp-6); }
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    color: var(--c-ink);
    flex-shrink: 0;
}
.site-logo:hover { color: var(--c-ink); }
.site-logo__mark {
    color: var(--c-stamp);
    display: block;
    flex-shrink: 0;
}
.site-logo__text { line-height: 1.2; }
.site-logo__jp {
    display: block;
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: 17px;
    letter-spacing: 0.04em;
}
.site-logo__sub {
    display: block;
    font-family: var(--ff-mono);
    font-size: 10px;
    font-weight: 500;
    color: var(--c-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 2px;
}

@media (max-width: 640px) {
    .site-logo__sub { display: none; }
    .site-logo__jp { font-size: 15px; }
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
}

.site-header__tel {
    text-align: right;
    line-height: 1.3;
}
.site-header__tel-label {
    display: block;
    font-size: 10px;
    font-family: var(--ff-mono);
    color: var(--c-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.site-header__tel-num {
    display: block;
    font-family: var(--ff-mono);
    font-size: 20px;
    font-weight: 500;
    color: var(--c-ink);
    letter-spacing: 0.02em;
    margin-top: 2px;
}
.site-header__tel-hours {
    display: block;
    font-size: 11px;
    color: var(--c-muted);
}

@media (max-width: 960px) {
    .site-header__tel { display: none; }
}
@media (max-width: 640px) {
    .site-header__cta { display: none; }
}


/* Nav toggle (hamburger) */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--c-rule);
    width: 44px;
    height: 44px;
    padding: 0;
    cursor: pointer;
    position: relative;
    border-radius: var(--r-sm);
}
.nav-toggle span {
    position: absolute;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--c-ink);
    transition: transform 0.25s ease, opacity 0.15s ease, top 0.25s ease;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 28px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

@media (max-width: 960px) {
    .nav-toggle { display: block; }
}


/* --------------------------------------------------------------------------
   5. Global navigation
   -------------------------------------------------------------------------- */
.global-nav {
    background: var(--c-paper);
}
.global-nav__inner {
    max-width: var(--content-wide);
    margin: 0 auto;
    padding: 0 var(--sp-6);
}
.global-nav__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: stretch;
    gap: 0;
}
.global-nav__list > li { position: relative; margin: 0; }

.global-nav__list > li > a {
    display: block;
    padding: var(--sp-4) var(--sp-4);
    font-size: 14px;
    font-weight: 500;
    color: var(--c-ink-2);
    letter-spacing: 0.06em;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
    white-space: nowrap;
}
.global-nav__list > li > a:hover {
    color: var(--c-stamp);
}
.global-nav__list > li > a[aria-current="page"],
.global-nav__list > li.is-section-active > a {
    border-bottom-color: var(--c-stamp);
    color: var(--c-ink);
}

.global-nav__contact {
    margin-left: auto;
}
.global-nav__contact > a {
    background: var(--c-ink);
    color: var(--c-paper) !important;
    padding: var(--sp-4) var(--sp-6) !important;
    border-bottom: none !important;
}
.global-nav__contact > a:hover {
    background: var(--c-stamp);
    color: var(--c-paper) !important;
}

/* Submenu */
.has-submenu .submenu-arrow { font-size: 0.7em; margin-left: 2px; }
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 260px;
    background: var(--c-paper);
    border: 1px solid var(--c-rule);
    list-style: none;
    margin: 0;
    padding: var(--sp-2) 0;
    box-shadow: 0 12px 32px -12px rgba(26, 22, 17, 0.18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.18s ease;
    z-index: 10;
}
.has-submenu:hover .submenu,
.has-submenu:focus-within .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.submenu li { margin: 0; }
.submenu a {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-5);
    font-size: 14px;
    color: var(--c-ink-2);
    border-left: 3px solid transparent;
}
.submenu a:hover,
.submenu a[aria-current="page"] {
    background: var(--c-paper-2);
    border-left-color: var(--c-stamp);
    color: var(--c-ink);
}
.submenu__num {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-muted);
    font-weight: 500;
    letter-spacing: 0.08em;
}
.submenu__flag { font-size: 18px; line-height: 1; }


/* Mobile navigation */
@media (max-width: 960px) {
    .global-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 360px;
        height: 100vh;
        background: var(--c-paper);
        padding: var(--sp-9) var(--sp-5) var(--sp-6);
        overflow-y: auto;
        transition: right 0.3s ease;
        box-shadow: -12px 0 40px -12px rgba(26, 22, 17, 0.3);
        z-index: 200;
    }
    .global-nav.is-open { right: 0; }
    .global-nav__list {
        flex-direction: column;
        align-items: stretch;
    }
    .global-nav__list > li > a {
        padding: var(--sp-4) 0;
        border-bottom: 1px solid var(--c-rule-soft);
    }
    .global-nav__contact {
        margin-left: 0;
        margin-top: var(--sp-4);
    }
    .global-nav__contact > a {
        text-align: center;
        border-radius: var(--r-sm);
    }
    .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding: 0 0 var(--sp-3) var(--sp-4);
        background: transparent;
    }
    .submenu a { padding: var(--sp-3) var(--sp-3); font-size: 13px; }

    /* Backdrop when menu is open */
    body.nav-open::before {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(26, 22, 17, 0.5);
        z-index: 150;
    }
    body.nav-open { overflow: hidden; }
}


/* --------------------------------------------------------------------------
   6. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
    background: var(--c-paper-2);
    border-bottom: 1px solid var(--c-rule-soft);
}
.breadcrumb__inner {
    max-width: var(--content-wide);
    margin: 0 auto;
    padding: var(--sp-3) var(--sp-6);
}
.breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    font-size: 12px;
    font-family: var(--ff-mono);
    letter-spacing: 0.05em;
    color: var(--c-muted);
}
.breadcrumb li { margin: 0; display: flex; align-items: center; gap: var(--sp-2); }
.breadcrumb li + li::before {
    content: "/";
    color: var(--c-rule);
}
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-stamp); }
.breadcrumb [aria-current="page"] { color: var(--c-ink); }


/* --------------------------------------------------------------------------
   7. Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-3);
    padding: 14px 28px;
    font-family: var(--ff-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all 0.18s ease;
    line-height: 1.3;
}
.btn--sm { padding: 10px 20px; font-size: 13px; }
.btn--lg { padding: 18px 36px; font-size: 15px; }

.btn--primary {
    background: var(--c-ink);
    color: var(--c-paper);
    border-color: var(--c-ink);
}
.btn--primary:hover {
    background: var(--c-stamp);
    color: var(--c-paper);
    border-color: var(--c-stamp);
}

.btn--stamp {
    background: var(--c-stamp);
    color: var(--c-paper);
    border-color: var(--c-stamp);
}
.btn--stamp:hover {
    background: var(--c-stamp-dk);
    color: var(--c-paper);
    border-color: var(--c-stamp-dk);
}

.btn--ghost {
    background: transparent;
    color: var(--c-ink);
    border-color: var(--c-ink);
}
.btn--ghost:hover {
    background: var(--c-ink);
    color: var(--c-paper);
}

.btn--ghost-light {
    background: transparent;
    color: var(--c-paper);
    border-color: var(--c-paper);
}
.btn--ghost-light:hover {
    background: var(--c-paper);
    color: var(--c-ink);
}

.btn--link {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--c-ink);
    color: var(--c-ink);
    padding: 4px 0;
    border-radius: 0;
}
.btn--link:hover {
    color: var(--c-stamp);
    border-bottom-color: var(--c-stamp);
}

.btn__tel-label { font-size: 11px; color: var(--c-muted); }
.btn__tel-num { font-family: var(--ff-mono); font-size: 16px; }


/* --------------------------------------------------------------------------
   8. Hero (page-specific heros override)
   -------------------------------------------------------------------------- */
.hero {
    padding: var(--sp-9) 0 var(--sp-8);
    position: relative;
    overflow: hidden;
}

.hero--home {
    background: var(--c-ink);
    color: var(--c-paper);
    padding: var(--sp-10) 0 var(--sp-9);
}
.hero--home::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            0deg,
            transparent 0,
            transparent 48px,
            rgba(184, 68, 28, 0.04) 48px,
            rgba(184, 68, 28, 0.04) 49px
        ),
        radial-gradient(ellipse at 80% 40%, rgba(184, 68, 28, 0.15) 0%, transparent 50%);
    pointer-events: none;
}
.hero--home::after {
    /* Large watermark-like IPPC stamp in background */
    content: "";
    position: absolute;
    right: -60px;
    bottom: -60px;
    width: 480px;
    height: 480px;
    background-image:
        radial-gradient(circle, transparent 45%, rgba(184, 68, 28, 0.12) 45%, rgba(184, 68, 28, 0.12) 47%, transparent 47%);
    pointer-events: none;
    opacity: 0.6;
}
@media (max-width: 768px) {
    .hero--home::after { display: none; }
}

.hero__inner {
    position: relative;
    z-index: 2;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--sp-6);
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--c-stamp-lt);
    text-transform: uppercase;
    margin-bottom: var(--sp-5);
}
.hero__eyebrow::before {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--c-stamp-lt);
}

.hero--home .hero__eyebrow { color: var(--c-stamp-lt); }

.hero__title {
    font-family: var(--ff-display);
    font-weight: 800;
    font-size: clamp(36px, 6vw, 72px);
    line-height: 1.25;
    letter-spacing: 0.01em;
    margin-bottom: var(--sp-5);
    max-width: 20ch;
}
.hero--home .hero__title { color: var(--c-paper); }

.hero__title em {
    font-style: normal;
    color: var(--c-stamp);
    position: relative;
}
.hero--home .hero__title em { color: var(--c-stamp-lt); }

.hero__subtitle {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.9;
    max-width: 48ch;
    color: var(--c-ink-3);
    margin-bottom: var(--sp-7);
}
.hero--home .hero__subtitle { color: var(--c-paper-3); }

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    align-items: center;
}

.hero--page {
    background: var(--c-paper);
    padding: var(--sp-8) 0 var(--sp-7);
    border-bottom: 1px solid var(--c-rule);
}
.hero--page .hero__title {
    font-size: clamp(30px, 4.5vw, 52px);
    line-height: 1.3;
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-4);
    margin-top: var(--sp-6);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--c-rule);
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-muted);
    letter-spacing: 0.08em;
}
.hero__meta-item { display: inline-flex; align-items: center; gap: var(--sp-2); }


/* --------------------------------------------------------------------------
   9. Section building blocks
   -------------------------------------------------------------------------- */
.section {
    padding: var(--sp-9) 0;
}
.section--tight { padding: var(--sp-7) 0; }
.section--dark {
    background: var(--c-ink);
    color: var(--c-paper);
}
.section--dark h2,
.section--dark h3,
.section--dark h4 { color: var(--c-paper); }
.section--dark p,
.section--dark li { color: var(--c-paper-3); }
.section--dark .section__eyebrow { color: var(--c-stamp-lt); }

.section--paper-2 { background: var(--c-paper-2); }
.section--paper-3 { background: var(--c-paper-3); }

.section__head {
    margin-bottom: var(--sp-7);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-4);
}
@media (min-width: 900px) {
    .section__head {
        grid-template-columns: 200px 1fr;
        gap: var(--sp-7);
        align-items: start;
    }
}
.section__head-label {
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding-top: 0.8em;
    border-top: 2px solid var(--c-ink);
}
.section--dark .section__head-label {
    border-top-color: var(--c-stamp-lt);
    color: var(--c-paper-3);
}

.section__eyebrow {
    font-family: var(--ff-mono);
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--c-stamp);
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
    display: block;
}

.section__title {
    font-family: var(--ff-display);
    font-weight: 700;
    font-size: clamp(26px, 3.5vw, 40px);
    line-height: 1.4;
    letter-spacing: 0.02em;
    margin-bottom: var(--sp-5);
}

.section__lede {
    font-size: 17px;
    line-height: 1.95;
    color: var(--c-ink-3);
    max-width: 60ch;
}
.section--dark .section__lede { color: var(--c-paper-3); }

/* Numbered section heading variant (editorial feel) */
.numbered-head {
    display: grid;
    grid-template-columns: 96px 1fr;
    gap: var(--sp-5);
    align-items: baseline;
    padding-top: var(--sp-4);
    border-top: 1px solid var(--c-rule);
    margin-bottom: var(--sp-5);
}
.numbered-head__num {
    font-family: var(--ff-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--c-stamp);
    letter-spacing: 0.1em;
}
.numbered-head__title {
    font-family: var(--ff-display);
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 700;
    line-height: 1.5;
}


/* --------------------------------------------------------------------------
   10. Prose (rich content typography)
   -------------------------------------------------------------------------- */
.prose {
    font-size: 16px;
    line-height: 1.95;
    color: var(--c-ink-2);
    max-width: 68ch;
}
.prose > * + * { margin-top: 1em; }
.prose h2 {
    font-family: var(--ff-display);
    font-size: clamp(22px, 2.4vw, 28px);
    line-height: 1.5;
    letter-spacing: 0.02em;
    margin-top: 2.4em;
    margin-bottom: 0.8em;
    padding-top: 1em;
    border-top: 1px solid var(--c-rule);
    font-weight: 700;
}
.prose h3 {
    font-family: var(--ff-display);
    font-size: clamp(18px, 1.9vw, 22px);
    line-height: 1.6;
    margin-top: 2em;
    margin-bottom: 0.6em;
    font-weight: 700;
    color: var(--c-ink);
    display: flex;
    align-items: baseline;
    gap: var(--sp-3);
}
.prose h3::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--c-stamp);
    display: inline-block;
    flex-shrink: 0;
    transform: translateY(-2px);
}
.prose h4 {
    font-family: var(--ff-display);
    font-size: 17px;
    font-weight: 700;
    margin-top: 1.6em;
    margin-bottom: 0.4em;
}
.prose ul, .prose ol {
    padding-left: 1.4em;
    margin-bottom: 1em;
}
.prose li { margin-bottom: 0.3em; }
.prose li::marker { color: var(--c-stamp); }

.prose blockquote {
    border-left: 3px solid var(--c-stamp);
    padding: var(--sp-3) var(--sp-5);
    margin: var(--sp-5) 0;
    background: var(--c-paper-2);
    font-family: var(--ff-display);
    font-size: 17px;
    color: var(--c-ink);
    font-style: normal;
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose a:not(.btn) {
    border-bottom: 1px solid var(--c-rule);
    color: var(--c-ink);
}
.prose a:not(.btn):hover {
    border-bottom-color: var(--c-stamp);
    color: var(--c-stamp);
}


/* --------------------------------------------------------------------------
   11. Tables
   -------------------------------------------------------------------------- */
.spec-table,
.prose table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--sp-5) 0;
    font-size: 15px;
}
.spec-table caption,
.prose table caption {
    text-align: left;
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--c-muted);
    text-transform: uppercase;
    padding-bottom: var(--sp-2);
    border-bottom: 2px solid var(--c-ink);
    margin-bottom: var(--sp-3);
}
.spec-table th,
.prose table th {
    text-align: left;
    font-weight: 700;
    padding: var(--sp-3) var(--sp-4);
    background: var(--c-paper-2);
    border-bottom: 1px solid var(--c-rule);
    font-family: var(--ff-body);
    letter-spacing: 0.04em;
}
.spec-table td,
.prose table td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--c-rule-soft);
    vertical-align: top;
}
.spec-table tr:last-child td,
.prose table tr:last-child td { border-bottom: none; }


/* --------------------------------------------------------------------------
   12. Cards & grids
   -------------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-5);
}
@media (min-width: 720px) {
    .card-grid--2 { grid-template-columns: 1fr 1fr; }
    .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
    .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.product-card {
    background: var(--c-paper);
    border: 1px solid var(--c-rule);
    padding: var(--sp-6);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    position: relative;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px -20px rgba(26, 22, 17, 0.25);
    border-color: var(--c-ink);
}
.product-card__num {
    position: absolute;
    top: var(--sp-4);
    right: var(--sp-5);
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--c-muted);
    letter-spacing: 0.15em;
}
.product-card__title {
    font-family: var(--ff-display);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
    margin-top: var(--sp-4);
    padding-top: var(--sp-4);
    border-top: 2px solid var(--c-ink);
}
.product-card__tagline {
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-stamp);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0;
}
.product-card__body {
    font-size: 14px;
    line-height: 1.85;
    color: var(--c-ink-3);
    flex-grow: 1;
}
.product-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-ink-3);
}
.product-card__list li {
    padding-left: 1.2em;
    position: relative;
    margin-bottom: 0.2em;
}
.product-card__list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--c-stamp);
}
.product-card__link {
    margin-top: auto;
    padding-top: var(--sp-4);
    font-family: var(--ff-body);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--c-ink);
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    border-bottom: 1px solid var(--c-ink);
    align-self: flex-start;
    transition: all 0.18s;
}
.product-card__link:hover {
    color: var(--c-stamp);
    border-bottom-color: var(--c-stamp);
    gap: var(--sp-3);
}


/* Strength cards (numbered feature list) */
.strength-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0;
}
.strength-list__item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-3);
    padding: var(--sp-6) 0;
    border-top: 1px solid var(--c-rule);
}
.strength-list__item:last-child { border-bottom: 1px solid var(--c-rule); }
@media (min-width: 900px) {
    .strength-list__item {
        grid-template-columns: 160px 1fr;
        gap: var(--sp-7);
        padding: var(--sp-7) 0;
    }
}
.strength-list__num {
    font-family: var(--ff-mono);
    font-size: 48px;
    font-weight: 500;
    color: var(--c-stamp);
    letter-spacing: 0.02em;
    line-height: 1;
}
.strength-list__title {
    font-family: var(--ff-display);
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--sp-3);
}
.strength-list__body p { color: var(--c-ink-3); }
.strength-list__body ul {
    padding-left: 0;
    list-style: none;
    margin-top: var(--sp-3);
}
.strength-list__body ul li {
    position: relative;
    padding-left: 1.2em;
    color: var(--c-ink-3);
}
.strength-list__body ul li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--c-stamp);
}


/* Guide / destination grid */
.guide-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--c-rule);
    margin: var(--sp-5) 0;
}
@media (min-width: 720px) {
    .guide-grid { grid-template-columns: 1fr 1fr; }
    .guide-grid > *:nth-child(even) { border-left: 1px solid var(--c-rule); }
}
@media (min-width: 1080px) {
    .guide-grid { grid-template-columns: repeat(4, 1fr); }
    .guide-grid > *:nth-child(even) { border-left: none; }
    .guide-grid > *:not(:first-child) { border-left: 1px solid var(--c-rule); }
}
.guide-grid__item {
    padding: var(--sp-6) var(--sp-5);
    border-bottom: 1px solid var(--c-rule);
    transition: background 0.2s ease;
    display: block;
    color: var(--c-ink);
}
.guide-grid__item:hover {
    background: var(--c-paper-2);
    color: var(--c-ink);
}
.guide-grid__flag {
    font-size: 32px;
    line-height: 1;
    margin-bottom: var(--sp-4);
}
.guide-grid__country {
    font-family: var(--ff-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--sp-2);
}
.guide-grid__country-en {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
    display: block;
}
.guide-grid__meta {
    font-size: 13px;
    color: var(--c-ink-3);
    line-height: 1.7;
}
.guide-grid__arrow {
    margin-top: var(--sp-4);
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-stamp);
}


/* --------------------------------------------------------------------------
   13. Callouts & notices
   -------------------------------------------------------------------------- */
.callout {
    background: var(--c-paper-2);
    border-left: 3px solid var(--c-stamp);
    padding: var(--sp-5) var(--sp-6);
    margin: var(--sp-5) 0;
}
.callout--warn {
    background: #fef3e6;
    border-left-color: #d97706;
}
.callout--info {
    background: #f0f4f8;
    border-left-color: #2563eb;
}
.callout__label {
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--c-stamp);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--sp-2);
    display: block;
}
.callout p:last-child { margin-bottom: 0; }


.points-box {
    background: var(--c-ink);
    color: var(--c-paper);
    padding: var(--sp-6) var(--sp-7);
    margin: var(--sp-6) 0;
    position: relative;
}
.points-box__label {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--c-stamp-lt);
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.points-box__label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: var(--c-stamp-lt);
}
.points-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.points-box ul li {
    padding: var(--sp-3) 0 var(--sp-3) var(--sp-6);
    border-bottom: 1px solid rgba(247, 244, 237, 0.1);
    position: relative;
    color: var(--c-paper-3);
}
.points-box ul li:last-child { border-bottom: none; }
.points-box ul li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--c-stamp-lt);
    font-family: var(--ff-mono);
}
.points-box ul li strong { color: var(--c-paper); }


/* FAQ accordion */
.faq-list { list-style: none; padding: 0; margin: 0; }
.faq-list__item {
    border-top: 1px solid var(--c-rule);
    padding: 0;
}
.faq-list__item:last-child { border-bottom: 1px solid var(--c-rule); }

.faq-list__q {
    display: flex;
    gap: var(--sp-4);
    width: 100%;
    text-align: left;
    padding: var(--sp-5) 0;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--ff-display);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
    color: var(--c-ink);
    align-items: flex-start;
}
.faq-list__q-mark {
    font-family: var(--ff-mono);
    color: var(--c-stamp);
    font-size: 18px;
    flex-shrink: 0;
    line-height: 1.5;
}
.faq-list__q-text { flex-grow: 1; }
.faq-list__q-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    position: relative;
    margin-top: 6px;
}
.faq-list__q-icon::before,
.faq-list__q-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--c-ink);
    transition: transform 0.2s ease;
}
.faq-list__q-icon::before {
    width: 14px;
    height: 2px;
    transform: translate(-50%, -50%);
}
.faq-list__q-icon::after {
    width: 2px;
    height: 14px;
    transform: translate(-50%, -50%);
}
.faq-list__item[open] .faq-list__q-icon::after {
    transform: translate(-50%, -50%) scaleY(0);
}

.faq-list__a {
    padding: 0 0 var(--sp-5) 48px;
    color: var(--c-ink-3);
    font-size: 15px;
    line-height: 1.9;
}
.faq-list__a > * { margin-top: 0; }

details.faq-list__item > summary {
    list-style: none;
    cursor: pointer;
}
details.faq-list__item > summary::-webkit-details-marker { display: none; }


/* --------------------------------------------------------------------------
   14. Case cards (for strengths page)
   -------------------------------------------------------------------------- */
.case-card {
    background: var(--c-paper);
    border: 1px solid var(--c-rule);
    padding: var(--sp-6);
    position: relative;
}
.case-card__label {
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    color: var(--c-stamp);
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}
.case-card__title {
    font-family: var(--ff-display);
    font-size: 19px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--sp-4);
}
.case-card__quote {
    font-family: var(--ff-display);
    font-size: 15px;
    color: var(--c-ink-2);
    line-height: 1.9;
    padding: var(--sp-4);
    background: var(--c-paper-2);
    border-left: 2px solid var(--c-stamp);
    margin-bottom: var(--sp-5);
}
.case-card__quote::before {
    content: "お客様のご要望";
    display: block;
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-muted);
    letter-spacing: 0.12em;
    margin-bottom: var(--sp-2);
    font-weight: 500;
}
.case-card__response h4 {
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--c-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
}
.case-card__response ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 14px;
}
.case-card__response ul li {
    padding-left: 1.4em;
    position: relative;
    margin-bottom: var(--sp-2);
    color: var(--c-ink-2);
}
.case-card__response ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--c-stamp);
    font-weight: 700;
}


/* --------------------------------------------------------------------------
   15. Forms
   -------------------------------------------------------------------------- */
.form {
    display: grid;
    gap: var(--sp-5);
}
.form__group {
    display: grid;
    gap: var(--sp-2);
}
.form__group--row {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-4);
}
@media (max-width: 640px) {
    .form__group--row { grid-template-columns: 1fr; }
}

.form__label {
    font-family: var(--ff-body);
    font-size: 14px;
    font-weight: 500;
    color: var(--c-ink);
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}
.form__required {
    font-family: var(--ff-mono);
    font-size: 10px;
    background: var(--c-stamp);
    color: var(--c-paper);
    padding: 2px 6px;
    letter-spacing: 0.1em;
    border-radius: var(--r-sm);
}
.form__optional {
    font-family: var(--ff-mono);
    font-size: 10px;
    color: var(--c-muted);
    border: 1px solid var(--c-rule);
    padding: 2px 6px;
    letter-spacing: 0.1em;
    border-radius: var(--r-sm);
}
.form__hint {
    font-size: 12px;
    color: var(--c-muted);
    margin-top: 2px;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    font-family: var(--ff-body);
    font-size: 15px;
    padding: 12px 14px;
    background: var(--c-paper);
    border: 1px solid var(--c-rule);
    border-radius: var(--r-sm);
    color: var(--c-ink);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form__textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.8;
}
.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--c-ink);
    box-shadow: 0 0 0 3px rgba(184, 68, 28, 0.15);
}

.form__select {
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, var(--c-ink-3) 50%),
        linear-gradient(135deg, var(--c-ink-3) 50%, transparent 50%);
    background-position:
        calc(100% - 20px) 18px,
        calc(100% - 14px) 18px;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 40px;
}

.form__checks {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
}
.form__check {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid var(--c-rule);
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 14px;
    background: var(--c-paper);
}
.form__check:hover { border-color: var(--c-ink); }
.form__check input {
    accent-color: var(--c-stamp);
    width: 16px;
    height: 16px;
}
.form__check input:checked + span { color: var(--c-stamp); font-weight: 500; }

.form__honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.form__consent {
    background: var(--c-paper-2);
    padding: var(--sp-5);
    font-size: 14px;
    border-left: 3px solid var(--c-stamp);
}
.form__consent label {
    display: flex;
    gap: var(--sp-3);
    align-items: flex-start;
    cursor: pointer;
}
.form__consent input { margin-top: 4px; accent-color: var(--c-stamp); width: 18px; height: 18px; }

.form__submit-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-5);
    margin-top: var(--sp-5);
    padding-top: var(--sp-5);
    border-top: 1px solid var(--c-rule);
}

.form__errors {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-left: 4px solid var(--c-danger);
    padding: var(--sp-4) var(--sp-5);
    color: #991b1b;
    margin-bottom: var(--sp-5);
}
.form__errors-title {
    font-weight: 700;
    margin-bottom: var(--sp-2);
}
.form__errors ul { margin: 0; padding-left: 1.4em; }


/* Form section heads inside the contact form */
.form-section-head {
    padding-top: var(--sp-5);
    margin-top: var(--sp-5);
    border-top: 1px solid var(--c-rule);
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: var(--sp-4);
    align-items: baseline;
}
.form-section-head__num {
    font-family: var(--ff-mono);
    font-size: 13px;
    color: var(--c-stamp);
    letter-spacing: 0.1em;
}
.form-section-head__title {
    font-family: var(--ff-display);
    font-size: 18px;
    font-weight: 700;
}
.form-section-head__title small {
    font-family: var(--ff-body);
    font-size: 12px;
    color: var(--c-muted);
    font-weight: 400;
    margin-left: var(--sp-3);
    letter-spacing: 0.04em;
}


/* --------------------------------------------------------------------------
   16. Pre-footer CTA
   -------------------------------------------------------------------------- */
.pre-footer-cta {
    background: var(--c-ink);
    color: var(--c-paper);
    position: relative;
    overflow: hidden;
}
.pre-footer-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        repeating-linear-gradient(
            90deg,
            transparent 0,
            transparent 80px,
            rgba(184, 68, 28, 0.04) 80px,
            rgba(184, 68, 28, 0.04) 81px
        );
    pointer-events: none;
}
.pre-footer-cta__inner {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: var(--sp-9) var(--sp-6);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
    position: relative;
    z-index: 1;
}
@media (min-width: 900px) {
    .pre-footer-cta__inner {
        grid-template-columns: 220px 1fr;
        gap: var(--sp-7);
        align-items: start;
    }
}
.pre-footer-cta__label {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    border-top: 2px solid var(--c-stamp-lt);
    padding-top: var(--sp-4);
}
.pre-footer-cta__eyebrow {
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-stamp-lt);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}
.pre-footer-cta__num {
    font-family: var(--ff-mono);
    font-size: 12px;
    color: var(--c-paper-3);
    letter-spacing: 0.1em;
    margin-left: auto;
}
.pre-footer-cta__headline {
    font-family: var(--ff-display);
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.4;
    font-weight: 700;
    color: var(--c-paper);
    margin-bottom: var(--sp-5);
    letter-spacing: 0.02em;
}
.pre-footer-cta__text {
    color: var(--c-paper-3);
    font-size: 15px;
    line-height: 1.9;
    margin-bottom: var(--sp-6);
}
.pre-footer-cta__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
}


/* --------------------------------------------------------------------------
   17. Site footer
   -------------------------------------------------------------------------- */
.site-footer {
    background: var(--c-ink);
    color: var(--c-paper-3);
    border-top: 1px solid rgba(247, 244, 237, 0.1);
}
.site-footer__inner {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: var(--sp-8) var(--sp-6) var(--sp-5);
}
.site-footer__primary {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-7);
    padding-bottom: var(--sp-7);
    border-bottom: 1px solid rgba(247, 244, 237, 0.1);
}
@media (min-width: 900px) {
    .site-footer__primary {
        grid-template-columns: 1.4fr 2fr;
        gap: var(--sp-8);
    }
}

.site-footer__logo {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    color: var(--c-stamp-lt);
    margin-bottom: var(--sp-5);
}
.site-footer__logo-text { line-height: 1.3; }
.site-footer__logo-jp {
    font-family: var(--ff-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--c-paper);
    letter-spacing: 0.04em;
}
.site-footer__logo-en {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 2px;
}

.site-footer__address {
    font-style: normal;
    font-size: 13px;
    line-height: 1.9;
    color: var(--c-paper-3);
}
.site-footer__address a { color: var(--c-paper); }
.site-footer__address a:hover { color: var(--c-stamp-lt); }
.site-footer__address strong {
    color: var(--c-paper);
    font-family: var(--ff-mono);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 4px;
    font-weight: 500;
}

.site-footer__nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-6);
}
@media (min-width: 640px) {
    .site-footer__nav { grid-template-columns: repeat(3, 1fr); }
}
.site-footer__nav-head {
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--c-stamp-lt);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--sp-4);
    padding-top: var(--sp-2);
    border-top: 1px solid var(--c-stamp-lt);
    display: inline-block;
}
.site-footer__nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 13px;
    line-height: 2.2;
}
.site-footer__nav a { color: var(--c-paper-3); }
.site-footer__nav a:hover { color: var(--c-paper); }

.site-footer__bottom {
    padding-top: var(--sp-4);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--sp-3);
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-muted);
    letter-spacing: 0.04em;
}


/* --------------------------------------------------------------------------
   18. Home page specific
   -------------------------------------------------------------------------- */
.home-intro {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}
.home-intro__lede {
    font-family: var(--ff-display);
    font-size: clamp(19px, 2.2vw, 24px);
    line-height: 1.9;
    color: var(--c-ink);
    margin-bottom: var(--sp-5);
    letter-spacing: 0.03em;
}

.home-feature-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 1px solid var(--c-rule);
    border-bottom: 1px solid var(--c-rule);
}
@media (min-width: 720px) {
    .home-feature-list { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1080px) {
    .home-feature-list { grid-template-columns: repeat(5, 1fr); }
}
.home-feature-list__item {
    padding: var(--sp-6) var(--sp-5);
    border-right: 1px solid var(--c-rule-soft);
    border-bottom: 1px solid var(--c-rule-soft);
}
.home-feature-list__item:last-child { border-right: none; }
.home-feature-list__num {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-stamp);
    letter-spacing: 0.15em;
    margin-bottom: var(--sp-3);
    display: block;
    font-weight: 500;
}
.home-feature-list__title {
    font-family: var(--ff-display);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.6;
    margin-bottom: var(--sp-2);
    color: var(--c-ink);
}
.home-feature-list__text {
    font-size: 13px;
    line-height: 1.85;
    color: var(--c-ink-3);
    margin: 0;
}


/* --------------------------------------------------------------------------
   19. IPPC stamp visualization (decorative)
   -------------------------------------------------------------------------- */
.ippc-stamp-display {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 180px;
    height: 180px;
    border: 2px solid var(--c-stamp);
    color: var(--c-stamp);
    font-family: var(--ff-mono);
    padding: var(--sp-4);
    text-align: center;
    position: relative;
    transform: rotate(-2deg);
    background: var(--c-paper);
}
.ippc-stamp-display::before {
    content: "";
    position: absolute;
    inset: 6px;
    border: 1px solid var(--c-stamp);
    pointer-events: none;
}
.ippc-stamp-display__icon {
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--sp-2);
}
.ippc-stamp-display__code {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 4px;
}
.ippc-stamp-display__proc {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2em;
    border-top: 1px solid var(--c-stamp);
    padding-top: var(--sp-2);
    margin-top: var(--sp-2);
    width: 80%;
}


/* --------------------------------------------------------------------------
   20. Contact form specific
   -------------------------------------------------------------------------- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-7);
}
@media (min-width: 1000px) {
    .contact-layout {
        grid-template-columns: 1fr 280px;
        gap: var(--sp-8);
    }
}
.contact-side {
    font-size: 14px;
    line-height: 1.9;
}
.contact-side__block {
    padding: var(--sp-5);
    background: var(--c-paper-2);
    margin-bottom: var(--sp-4);
}
.contact-side__block h3 {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--c-stamp);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--sp-3);
    padding-top: var(--sp-2);
    border-top: 2px solid var(--c-stamp);
    display: inline-block;
    font-weight: 500;
}
.contact-side__tel {
    font-family: var(--ff-mono);
    font-size: 22px;
    color: var(--c-ink);
    font-weight: 500;
    margin: var(--sp-2) 0 var(--sp-1);
    display: block;
}

.contact-thanks {
    text-align: center;
    max-width: 620px;
    margin: 0 auto;
    padding: var(--sp-9) var(--sp-5);
}
.contact-thanks__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--sp-5);
    border: 2px solid var(--c-stamp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-stamp);
    font-size: 36px;
}
.contact-thanks h1 {
    font-family: var(--ff-display);
    font-size: clamp(26px, 3.5vw, 36px);
    margin-bottom: var(--sp-4);
}
.contact-thanks p {
    color: var(--c-ink-3);
    font-size: 16px;
    line-height: 1.95;
}


/* --------------------------------------------------------------------------
   21. Misc utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mb-0 { margin-bottom: 0 !important; }
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}


/* --------------------------------------------------------------------------
   22. Reduce motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* --------------------------------------------------------------------------
   23. Print
   -------------------------------------------------------------------------- */
@media print {
    .site-header, .pre-footer-cta, .site-footer, .breadcrumb, .nav-toggle { display: none; }
    body { background: white; color: black; }
    a { color: black; text-decoration: underline; }
}


/* --------------------------------------------------------------------------
   24. Stock Gallery (商品ギャラリー)
   -------------------------------------------------------------------------- */
.stock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--sp-4, 20px);
    margin: var(--sp-5, 28px) 0;
}

.stock-card {
    margin: 0;
    background: var(--c-paper, #f7f4ed);
    border: 1px solid rgba(26, 22, 17, 0.12);
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stock-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 22, 17, 0.08);
}

.stock-card__img {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #e8e3d6;
}

.stock-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.stock-card--placeholder .stock-card__img img {
    object-fit: contain;
    padding: 0;
}

.stock-card__cap {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.stock-card__name {
    font-family: var(--ff-display, 'Shippori Mincho B1', serif);
    font-size: 15px;
    font-weight: 700;
    color: var(--c-ink, #1a1611);
    line-height: 1.45;
}

.stock-card__size {
    font-family: var(--ff-mono, 'JetBrains Mono', monospace);
    font-size: 12px;
    color: var(--c-stamp, #b8441c);
    letter-spacing: 0.02em;
}

.stock-card__note {
    font-size: 12px;
    color: var(--c-ink-3, #6b6359);
    line-height: 1.5;
    margin-top: 2px;
}

/* 見出し補助 */
.stock-lede {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin: var(--sp-5, 28px) 0 var(--sp-3, 16px);
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(26, 22, 17, 0.12);
}

.stock-lede__title {
    font-family: var(--ff-display, 'Shippori Mincho B1', serif);
    font-size: clamp(18px, 2.2vw, 22px);
    font-weight: 700;
    margin: 0;
}

.stock-lede__meta {
    font-family: var(--ff-mono, 'JetBrains Mono', monospace);
    font-size: 12px;
    color: var(--c-ink-3, #6b6359);
    letter-spacing: 0.05em;
}

@media (max-width: 540px) {
    .stock-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .stock-card__name { font-size: 14px; }
    .stock-card__cap { padding: 10px 12px 12px; }
}


/* --------------------------------------------------------------------------
   25. Hero内 strong の可読性補正（暗色背景で strong が沈むのを防ぐ）
   -------------------------------------------------------------------------- */
.hero__subtitle strong,
.hero--home strong,
.hero--page strong,
.section--dark strong {
    color: var(--c-paper);
    font-weight: 700;
}


/* --------------------------------------------------------------------------
   26. Pre-footer CTA ボタンの可読性調整
   -------------------------------------------------------------------------- */
.pre-footer-cta .btn__tel-label {
    color: var(--c-paper-3, rgba(247, 244, 237, 0.7));
}
.pre-footer-cta .btn__tel-num {
    color: var(--c-paper);
}
.pre-footer-cta .btn--ghost-light:hover .btn__tel-label,
.pre-footer-cta .btn--ghost-light:hover .btn__tel-num {
    color: var(--c-ink);
}


/* --------------------------------------------------------------------------
   27. Stock Catalog (カタログ・購入カード)
   -------------------------------------------------------------------------- */
.stock-lede__note {
    color: var(--c-ink-3, #6b6359);
    font-size: 14px;
    margin: -4px 0 20px;
    line-height: 1.75;
}

.stock-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--sp-4, 20px);
}

.stock-item {
    background: var(--c-paper, #f7f4ed);
    border: 1px solid rgba(26, 22, 17, 0.12);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.stock-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(26, 22, 17, 0.10);
    border-color: rgba(184, 68, 28, 0.35);
}

.stock-item__img {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #e8e3d6;
    overflow: hidden;
}
.stock-item__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.stock-item--placeholder .stock-item__img img {
    object-fit: contain;
}

.stock-item__badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    font-family: var(--ff-mono, monospace);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--c-paper);
    background: var(--c-ink);
    border-radius: 2px;
}
.stock-item__badge--new   { background: var(--c-stamp, #b8441c); }
.stock-item__badge--used  { background: #4a5d3a; }
.stock-item__badge--other { background: #7a5a3a; }

.stock-item__body {
    padding: 16px 18px 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.stock-item__cat {
    font-family: var(--ff-mono, monospace);
    font-size: 11px;
    color: var(--c-ink-3, #6b6359);
    letter-spacing: 0.08em;
    text-transform: none;
}

.stock-item__name {
    font-family: var(--ff-display, serif);
    font-size: 17px;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
    color: var(--c-ink);
}

.stock-item__specs {
    margin: 4px 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--c-ink-2, #3a332a);
    display: grid;
    gap: 4px;
}
.stock-item__specs > div {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 8px;
}
.stock-item__specs dt {
    color: var(--c-ink-3, #6b6359);
    font-size: 12px;
    margin: 0;
}
.stock-item__specs dd {
    margin: 0;
    color: var(--c-ink);
}

.stock-item__cta {
    margin-top: auto;
    font-size: 14px !important;
    padding: 12px 16px !important;
    text-align: center;
}

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

/* --------------------------------------------------------------------------
   28. Selected item banner (contact.php 上部の選択商品表示)
   -------------------------------------------------------------------------- */
.selected-item-banner {
    background: linear-gradient(180deg, #f0e9d8 0%, var(--c-paper) 100%);
    padding: var(--sp-5, 28px) 0;
    border-bottom: 1px solid rgba(26, 22, 17, 0.1);
}
.selected-item-banner__inner {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 6px;
    border: 1px solid rgba(184, 68, 28, 0.25);
    box-shadow: 0 4px 16px rgba(26, 22, 17, 0.06);
}
.selected-item-banner__img {
    aspect-ratio: 4 / 3;
    background: #e8e3d6;
    border-radius: 4px;
    overflow: hidden;
}
.selected-item-banner__img img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.selected-item-banner__label {
    display: inline-block;
    font-family: var(--ff-mono, monospace);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--c-stamp);
    margin-bottom: 6px;
}
.selected-item-banner__name {
    font-family: var(--ff-display, serif);
    font-size: clamp(18px, 2.4vw, 22px);
    font-weight: 700;
    margin: 0 0 10px;
}
.selected-item-banner__specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 6px 16px;
    font-size: 13px;
    margin: 0 0 10px;
}
.selected-item-banner__specs > div {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 8px;
}
.selected-item-banner__specs dt {
    color: var(--c-ink-3);
    font-size: 12px;
    margin: 0;
}
.selected-item-banner__specs dd { margin: 0; }
.selected-item-banner__back {
    font-size: 12px;
    color: var(--c-ink-3);
    text-decoration: underline;
}
.selected-item-banner__back:hover { color: var(--c-stamp); }

@media (max-width: 640px) {
    .selected-item-banner__inner { grid-template-columns: 1fr; }
    .selected-item-banner__img { max-width: 240px; }
}


/* --------------------------------------------------------------------------
   29. 管理画面 (/admin)
   -------------------------------------------------------------------------- */
.admin-page {
    background: #f5f2ea;
    min-height: 100vh;
}

.admin-header {
    background: var(--c-ink);
    color: var(--c-paper);
    border-bottom: 3px solid var(--c-stamp);
}
.admin-header__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.admin-header__logo {
    color: var(--c-paper);
    text-decoration: none;
    display: flex;
    align-items: baseline;
    gap: 12px;
}
.admin-header__brand {
    font-family: var(--ff-mono);
    font-weight: 700;
    letter-spacing: 0.2em;
    font-size: 18px;
}
.admin-header__sub {
    font-size: 13px;
    color: rgba(247, 244, 237, 0.65);
}
.admin-header__nav {
    display: flex;
    gap: 20px;
}
.admin-header__nav a {
    color: rgba(247, 244, 237, 0.85);
    text-decoration: none;
    font-size: 13px;
}
.admin-header__nav a:hover {
    color: var(--c-stamp-lt, #e67a52);
}

.admin-main {
    padding: 32px 0 80px;
}
.admin-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 28px;
}

.admin-page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--c-ink);
}
.admin-page-head__title {
    margin: 0;
    font-family: var(--ff-display);
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 700;
}

/* フラッシュ通知 */
.admin-flash {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 18px;
    font-size: 14px;
}
.admin-flash--ok  { background: #dcebd4; color: #2d4a1f; border-left: 4px solid #4a7a2e; }
.admin-flash--err { background: #f7dcd4; color: #6b1d0b; border-left: 4px solid var(--c-stamp); }

/* フィルタ */
.admin-filter {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.admin-filter__btn {
    padding: 8px 16px;
    background: white;
    border: 1px solid rgba(26, 22, 17, 0.18);
    border-radius: 3px;
    text-decoration: none;
    color: var(--c-ink);
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s ease;
}
.admin-filter__btn:hover {
    border-color: var(--c-ink);
}
.admin-filter__btn.is-active {
    background: var(--c-ink);
    color: var(--c-paper);
    border-color: var(--c-ink);
}
.admin-filter__btn small {
    opacity: 0.65;
    font-size: 11px;
    margin-left: 2px;
}

/* テーブル */
.admin-table-wrap {
    background: white;
    border: 1px solid rgba(26, 22, 17, 0.1);
    border-radius: 4px;
    overflow-x: auto;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.admin-table th,
.admin-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid rgba(26, 22, 17, 0.08);
    vertical-align: middle;
}
.admin-table th {
    background: #f5f2ea;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--c-ink-3);
}
.admin-table tr:last-child td {
    border-bottom: none;
}
.admin-table__actions {
    white-space: nowrap;
}
.admin-table__actions > * {
    margin-left: 4px;
}
.admin-thumb {
    width: 60px;
    height: 45px;
    background: #e8e3d6;
    border-radius: 2px;
    overflow: hidden;
}
.admin-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.admin-cat {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-family: var(--ff-mono);
    border-radius: 2px;
    color: white;
}
.admin-cat--new   { background: var(--c-stamp); }
.admin-cat--used  { background: #4a5d3a; }
.admin-cat--other { background: #7a5a3a; }

/* 空の状態 */
.admin-empty {
    text-align: center;
    padding: 60px 20px;
    background: white;
    border-radius: 4px;
    border: 2px dashed rgba(26, 22, 17, 0.15);
}
.admin-empty p {
    color: var(--c-ink-3);
    margin-bottom: 20px;
}

/* ログイン */
.admin-login {
    max-width: 440px;
    margin: 80px auto;
    padding: 0 20px;
}
.admin-login__box {
    background: white;
    padding: 40px 32px;
    border-radius: 6px;
    box-shadow: 0 8px 32px rgba(26, 22, 17, 0.08);
    border-top: 4px solid var(--c-stamp);
}
.admin-login__title {
    font-family: var(--ff-display);
    font-size: 22px;
    margin: 0 0 8px;
}
.admin-login__sub {
    color: var(--c-ink-3);
    font-size: 13px;
    margin-bottom: 24px;
}
.admin-login__form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.admin-login__label {
    font-size: 13px;
    font-weight: 500;
}
.admin-login__input {
    padding: 12px 14px;
    font-size: 15px;
    border: 1px solid rgba(26, 22, 17, 0.2);
    border-radius: 3px;
    font-family: inherit;
}
.admin-login__input:focus {
    outline: none;
    border-color: var(--c-stamp);
    box-shadow: 0 0 0 3px rgba(184, 68, 28, 0.15);
}
.admin-login__note {
    margin-top: 20px;
    font-size: 12px;
    color: var(--c-ink-3);
    padding-top: 14px;
    border-top: 1px solid rgba(26, 22, 17, 0.08);
}
.admin-login__note code {
    background: #f0ebdf;
    padding: 1px 4px;
    border-radius: 2px;
    font-size: 11px;
}

/* フォーム */
.admin-form {
    background: white;
    padding: 28px;
    border-radius: 4px;
    border: 1px solid rgba(26, 22, 17, 0.08);
}
.admin-form__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.admin-form__group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.admin-form__group--full {
    grid-column: 1 / -1;
}
.admin-form__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--c-ink);
}
.admin-form__req {
    color: var(--c-stamp);
    font-size: 11px;
    margin-left: 4px;
}
.admin-form__input {
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid rgba(26, 22, 17, 0.2);
    border-radius: 3px;
    font-family: inherit;
    background: white;
}
.admin-form__input:focus {
    outline: none;
    border-color: var(--c-stamp);
    box-shadow: 0 0 0 3px rgba(184, 68, 28, 0.12);
}
.admin-form__file {
    padding: 8px 0;
    font-size: 13px;
}
.admin-form__hint {
    font-size: 12px;
    color: var(--c-ink-3);
    margin-top: 4px;
}
.admin-form__current-img {
    margin-bottom: 10px;
    padding: 10px;
    background: #f5f2ea;
    border-radius: 3px;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.admin-form__current-img img {
    max-width: 120px;
    max-height: 90px;
    object-fit: contain;
    background: white;
    border-radius: 2px;
}
.admin-form__remove {
    font-size: 12px;
    color: var(--c-ink-3);
    display: flex;
    align-items: center;
    gap: 6px;
}
.admin-form__submit {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid rgba(26, 22, 17, 0.08);
    display: flex;
    gap: 12px;
    align-items: center;
}

/* 危険ボタン */
.btn--danger {
    background: transparent;
    color: #8b1d0b;
    border-color: rgba(139, 29, 11, 0.3);
}
.btn--danger:hover {
    background: #8b1d0b;
    color: white;
    border-color: #8b1d0b;
}

/* モバイル */
@media (max-width: 700px) {
    .admin-header__inner { padding: 10px 16px; }
    .admin-wrap { padding: 0 16px; }
    .admin-form__grid { grid-template-columns: 1fr; }
    .admin-table { font-size: 13px; }
    .admin-table th:nth-child(4),
    .admin-table td:nth-child(4),
    .admin-table th:nth-child(6),
    .admin-table td:nth-child(6) {
        display: none; /* サイズ・価格列を隠す */
    }
    .admin-table__actions .btn { padding: 4px 8px; font-size: 12px; }
}


/* --------------------------------------------------------------------------
   30. 複数画像対応
   -------------------------------------------------------------------------- */
/* 公開側：カード右下の枚数バッジ */
.stock-item__count {
    position: absolute;
    bottom: 8px;
    right: 8px;
    padding: 3px 8px;
    font-family: var(--ff-mono);
    font-size: 11px;
    font-weight: 700;
    color: white;
    background: rgba(26, 22, 17, 0.75);
    backdrop-filter: blur(4px);
    border-radius: 3px;
    letter-spacing: 0.05em;
}

/* 管理画面ダッシュボード：サムネ右上の枚数 */
.admin-thumb {
    position: relative;
}
.admin-thumb__count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--c-stamp);
    color: white;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--ff-mono);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* 管理画面 edit.php：画像リスト */
.admin-imglist {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    padding: 14px;
    background: #f5f2ea;
    border-radius: 4px;
    margin-bottom: 14px;
}
.admin-imglist__item {
    background: white;
    border: 1px solid rgba(26, 22, 17, 0.1);
    border-radius: 3px;
    overflow: hidden;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.admin-imglist__thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #e8e3d6;
    border-radius: 2px;
    overflow: hidden;
}
.admin-imglist__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.admin-imglist__cover {
    position: absolute;
    top: 6px;
    left: 6px;
    padding: 2px 6px;
    background: var(--c-stamp);
    color: white;
    font-family: var(--ff-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    border-radius: 2px;
}
.admin-imglist__remove {
    font-size: 12px;
    color: var(--c-ink-3);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.admin-imglist__remove input:checked + span {
    color: #8b1d0b;
    font-weight: 700;
    text-decoration: line-through;
}
.admin-imglist__name {
    font-family: var(--ff-mono);
    font-size: 10px;
    color: var(--c-ink-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.admin-form__count {
    font-size: 12px;
    color: var(--c-ink-3);
    font-weight: 400;
    margin-left: 6px;
}
.admin-form__label-sub {
    font-size: 12px;
    font-weight: 500;
    color: var(--c-ink-3);
    display: block;
    margin-bottom: 6px;
}
.admin-form__upload {
    padding: 14px;
    background: #fafaf4;
    border: 1px dashed rgba(26, 22, 17, 0.2);
    border-radius: 3px;
}

/* contact.php バナーのサムネ帯 */
.selected-item-banner__thumbs {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.selected-item-banner__thumb {
    width: 48px;
    height: 36px;
    background: #e8e3d6;
    border-radius: 2px;
    overflow: hidden;
    border: 1px solid rgba(26, 22, 17, 0.1);
}
.selected-item-banner__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}


/* --------------------------------------------------------------------------
   31. 商品カード 複数画像ギャラリー
   -------------------------------------------------------------------------- */
.stock-item__img {
    position: relative;
    cursor: zoom-in;
}

.stock-item__zoom {
    position: absolute;
    bottom: 8px;
    left: 8px;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    background: rgba(26, 22, 17, 0.6);
    color: white;
    font-size: 14px;
    border-radius: 50%;
    cursor: zoom-in;
    backdrop-filter: blur(4px);
    transition: background 0.15s ease;
}
.stock-item__zoom:hover {
    background: rgba(184, 68, 28, 0.9);
}

.stock-item__thumbs {
    display: flex;
    gap: 4px;
    padding: 6px 8px;
    background: rgba(26, 22, 17, 0.04);
    border-bottom: 1px solid rgba(26, 22, 17, 0.05);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.stock-item__thumb {
    flex: 0 0 48px;
    width: 48px;
    height: 36px;
    padding: 0;
    border: 2px solid transparent;
    background: #e8e3d6;
    border-radius: 2px;
    overflow: hidden;
    cursor: pointer;
    scroll-snap-align: start;
    transition: border-color 0.15s ease, transform 0.15s ease;
}
.stock-item__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.stock-item__thumb:hover {
    transform: translateY(-1px);
}
.stock-item__thumb.is-active {
    border-color: var(--c-stamp);
}
.stock-item__thumb:focus-visible {
    outline: 2px solid var(--c-stamp);
    outline-offset: 2px;
}


/* --------------------------------------------------------------------------
   32. ライトボックス（画像拡大）
   -------------------------------------------------------------------------- */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(26, 22, 17, 0.92);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: lightbox-in 0.15s ease-out;
}
@keyframes lightbox-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.lightbox__inner {
    position: relative;
    max-width: 94vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.lightbox__img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}
.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox__close {
    position: absolute;
    top: -48px;
    right: 0;
    width: 40px;
    height: 40px;
    font-size: 24px;
    line-height: 1;
    border-radius: 50%;
}

.lightbox__prev,
.lightbox__next {
    width: 44px;
    height: 60px;
    font-size: 28px;
    line-height: 1;
    border-radius: 3px;
    flex-shrink: 0;
}

.lightbox__count {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--ff-mono);
    color: rgba(255, 255, 255, 0.75);
    font-size: 12px;
    letter-spacing: 0.1em;
}
.lightbox__title {
    position: absolute;
    top: -36px;
    left: 0;
    right: 52px;
    color: white;
    font-family: var(--ff-display);
    font-size: 14px;
    font-weight: 500;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

@media (max-width: 640px) {
    .lightbox__inner { gap: 6px; }
    .lightbox__prev, .lightbox__next { width: 36px; height: 48px; font-size: 22px; }
    .lightbox__close { width: 36px; height: 36px; top: -44px; }
    .lightbox__title { font-size: 12px; right: 46px; }
}