/* =========================================================================
   ALL CONCEPTS OF LIFE — global styles
   Japanese-minimal · paper · ink · gold · zen
   ========================================================================= */

:root {
    /* Light theme — washi paper, sumi ink, gold leaf */
    --c-bg:        #FDFBF6;
    --c-bg-alt:    #F5F0E6;
    --c-paper:     #FAF6EC;
    --c-ink:       #1A1A1F;
    --c-ink-soft:  #3A3A42;
    --c-mute:      #6B6B72;
    --c-line:      #E5DECF;
    --c-gold:      #B8860B;
    --c-gold-soft: #D4A95A;
    --c-vermillion:#C0392B;

    /* Concept accents */
    --c-love:    #E07A5F;
    --c-good:    #81B29A;
    --c-need:    #F2CC8F;
    --c-paid:    #3D5A80;
    --c-passion: #D4A373;
    --c-mission: #A8C9A0;
    --c-vocation:#E07A5F;
    --c-profession:#588157;

    /* Spacing scale — generous */
    --s-1: 0.25rem;
    --s-2: 0.5rem;
    --s-3: 0.75rem;
    --s-4: 1rem;
    --s-5: 1.5rem;
    --s-6: 2rem;
    --s-7: 3rem;
    --s-8: 4rem;
    --s-9: 6rem;
    --s-10: 8rem;

    /* Type */
    --f-serif: 'Cormorant Garamond', 'Shippori Mincho', Georgia, serif;
    --f-sans:  'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --f-jp:    'Noto Serif JP', 'Shippori Mincho', serif;

    /* Curves */
    --r-sm: 6px;
    --r-md: 12px;
    --r-lg: 24px;
    --r-pill: 999px;

    --shadow-sm: 0 1px 2px rgba(20,20,30,0.04), 0 4px 12px rgba(20,20,30,0.04);
    --shadow-md: 0 6px 20px rgba(20,20,30,0.06), 0 12px 40px rgba(20,20,30,0.04);
    --shadow-lg: 0 20px 60px rgba(20,20,30,0.10);

    --t-fast:  150ms cubic-bezier(.2,.8,.2,1);
    --t-mid:   320ms cubic-bezier(.2,.8,.2,1);
    --t-slow:  600ms cubic-bezier(.2,.8,.2,1);

    --content-width: 1500px;
    --narrow-width:  780px;
}

[data-theme="dark"] {
    --c-bg:        #0F0F14;
    --c-bg-alt:    #16161D;
    --c-paper:     #1A1A22;
    --c-ink:       #F0EBDD;
    --c-ink-soft:  #C8C2B0;
    --c-mute:      #8A857A;
    --c-line:      #2A2A33;
    --c-gold:      #E0B257;
    --c-gold-soft: #C49A47;
}

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

html {
    font-size: 17px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
    /* Firefox — thin scrollbar with gold thumb on transparent track */
    scrollbar-width: thin;
    scrollbar-color: rgba(184,134,11,0.45) transparent;
}

/* WebKit/Chromium — slim, elegant gold scrollbar everywhere on the site */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: rgba(184,134,11,0.32);
    border-radius: 10px;
    /* Transparent border + padding-box clip = visual gap around the
       thumb so it looks slim without changing the scrollbar width
       (which causes layout shift in some browsers). */
    border: 2px solid transparent;
    background-clip: padding-box;
    transition: background-color 220ms ease;
}
::-webkit-scrollbar-thumb:hover {
    background-color: rgba(184,134,11,0.6);
    background-clip: padding-box;
}
::-webkit-scrollbar-thumb:active {
    background-color: rgba(184,134,11,0.78);
    background-clip: padding-box;
}
::-webkit-scrollbar-corner {
    background: transparent;
}
[data-theme="dark"] {
    scrollbar-color: rgba(184,134,11,0.55) transparent;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background-color: rgba(184,134,11,0.42);
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(184,134,11,0.72);
}

@media (max-width: 640px) {
    html { font-size: 16px; }
}

body {
    margin: 0;
    background: var(--c-bg);
    color: var(--c-ink);
    font-family: var(--f-sans);
    line-height: 1.65;
    font-feature-settings: "ss01","cv01";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--t-mid), color var(--t-mid);
    position: relative;
}
/* Washi-paper grain — almost invisible but you feel it */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.5;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 240 240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.04 0 0 0 0 0.03 0 0 0 0 0.02 0 0 0 0.05 0'/></filter><rect width='240' height='240' filter='url(%23n)'/></svg>");
    background-size: 240px 240px;
    mix-blend-mode: multiply;
}
[data-theme="dark"] body::before { mix-blend-mode: screen; opacity: 0.25; }
.site-header, main, .site-footer { position: relative; z-index: 2; }

::selection { background: var(--c-gold); color: var(--c-bg); }

a {
    color: var(--c-ink);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--t-fast), color var(--t-fast);
}
a:hover { border-bottom-color: var(--c-gold); }

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

.container {
    width: 100%;
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--s-5);
}
.container.narrow { max-width: var(--narrow-width); }

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* =========================================================================
   Typography
   ========================================================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--f-serif);
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.15;
    color: var(--c-ink);
    margin: 0 0 var(--s-4) 0;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.8rem); }
h4 { font-size: 1.2rem; }
p  { margin: 0 0 var(--s-4) 0; color: var(--c-ink-soft); }
em { font-style: italic; color: var(--c-gold); }
b, strong { font-weight: 600; color: var(--c-ink); }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--c-mute);
    margin-bottom: var(--s-4);
}

.kanji-pretitle {
    font-family: var(--f-jp);
    font-size: clamp(3rem, 8vw, 6rem);
    color: var(--c-gold);
    opacity: 0.4;
    margin: 0 0 var(--s-4);
    line-height: 1;
}
/* When .calligraphy is present in hero, drop legacy pretitle */
.ikigai-hero .kanji-pretitle { display: none; }

.section-h {
    font-size: clamp(1.8rem, 3.6vw, 2.8rem);
    margin-bottom: var(--s-3);
    text-align: center;
}
.section-sub {
    text-align: center;
    color: var(--c-mute);
    max-width: 720px;
    margin: 0 auto var(--s-7);
    font-size: 1.1rem;
}
.section-head { text-align: center; margin-bottom: var(--s-7); }
.section-head .eyebrow { text-align: center; }

/* =========================================================================
   Buttons
   ========================================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6em;
    padding: 0.85rem 1.6rem;
    border-radius: var(--r-pill);
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 0.98rem;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: transform var(--t-fast), background-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
    text-decoration: none;
    line-height: 1;
}
.btn:hover { transform: translateY(-1px); border-bottom-color: transparent; }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.85rem; }
.btn-lg { padding: 1.05rem 2rem; font-size: 1.05rem; }

.btn-primary {
    background: var(--c-ink);
    color: var(--c-bg);
}
.btn-primary:hover { background: var(--c-gold); color: var(--c-ink); box-shadow: var(--shadow-md); }

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

/* Subtle CTA — for header "Today's practice" — gold-bordered, transparent */
.btn-cta {
    background: transparent;
    color: var(--c-gold);
    border-color: var(--c-gold);
    background: linear-gradient(135deg, rgba(184,134,11,0.06), transparent);
}
.btn-cta:hover {
    background: var(--c-gold);
    color: var(--c-bg);
    box-shadow: 0 4px 14px rgba(184,134,11,0.25);
}
.btn-cta svg { flex-shrink: 0; }

[data-theme="dark"] .btn-primary { background: var(--c-gold); color: var(--c-bg); }
[data-theme="dark"] .btn-primary:hover { background: var(--c-gold-soft); }

/* =========================================================================
   Header / Nav
   ========================================================================= */
.reading-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0%;
    background: var(--c-gold);
    z-index: 100;
    transition: width var(--t-fast);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(253, 251, 246, 0.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--c-line);
}
[data-theme="dark"] .site-header {
    background: rgba(15, 15, 20, 0.85);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s-5);
    padding: var(--s-3) var(--s-5);
    min-height: 64px;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    border-bottom: none !important;
    color: var(--c-ink);
    transition: opacity var(--t-fast);
}
.brand:hover { opacity: 0.85; }
.brand-mark {
    color: var(--c-ink);
    flex-shrink: 0;
    line-height: 0;
    transition: transform 600ms cubic-bezier(.2,.8,.2,1);
}
.brand:hover .brand-mark {
    transform: rotate(-8deg);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
    font-family: var(--f-serif);
    font-size: 1.08rem;
    font-weight: 500;
    font-style: italic;
    letter-spacing: -0.005em;
}
.brand-tag {
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--c-mute);
    margin-top: 1px;
}

.primary-nav {
    display: flex;
    gap: var(--s-5);
}
.primary-nav a {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--c-ink-soft);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}
.primary-nav a:hover, .primary-nav a.is-active { color: var(--c-ink); border-bottom-color: var(--c-gold); }

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--s-3);
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--c-line);
    width: 34px; height: 34px;
    border-radius: var(--r-pill);
    display: inline-block;
    cursor: pointer;
    color: var(--c-ink-soft);
    transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
    position: relative;
    padding: 0;
    line-height: 0;
    vertical-align: middle;
}
.theme-toggle:hover { border-color: var(--c-gold); color: var(--c-gold); }
.theme-toggle svg {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    transition: opacity 220ms ease;
}
.theme-toggle .icon-sun  { opacity: 1; }
.theme-toggle .icon-moon { opacity: 0; }
[data-theme="dark"] .theme-toggle .icon-sun  { opacity: 0; }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; }

.nav-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 38px; height: 38px;
    flex-direction: column;
    justify-content: space-around;
    align-items: stretch;
    padding: 9px 7px;
    cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; background: var(--c-ink); border-radius: 2px; transition: transform var(--t-mid); }

.mobile-nav {
    display: none;
    flex-direction: column;
    padding: var(--s-4) var(--s-5);
    border-top: 1px solid var(--c-line);
    background: var(--c-bg);
}
.mobile-nav a {
    padding: var(--s-3) 0;
    border-bottom: 1px solid var(--c-line);
    color: var(--c-ink-soft);
}

@media (max-width: 900px) {
    .primary-nav { display: none; }
    .nav-toggle { display: flex; }
    .header-actions .btn { display: none; }
    .site-header.is-open .mobile-nav { display: flex; }
    .brand-tag { display: none; }
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
    margin-top: var(--s-10);
    padding: var(--s-9) 0 var(--s-7);
    background: var(--c-bg-alt);
    border-top: 1px solid var(--c-line);
}

.footer-newsletter {
    background: linear-gradient(135deg, rgba(184,134,11,0.08), rgba(212,169,90,0.06));
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: var(--s-7);
    margin-bottom: var(--s-9);
}
.newsletter-inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-7); align-items: center; }
.newsletter-title { font-size: clamp(1.4rem, 2.6vw, 2rem); margin: 0 0 var(--s-2); }
.newsletter-sub { color: var(--c-mute); margin: 0; }
.newsletter-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--s-3);
    align-items: center;
    position: relative;
}
.newsletter-form input {
    padding: 0.95rem 1.2rem;
    border: 1px solid var(--c-line);
    border-radius: var(--r-pill);
    background: var(--c-bg);
    color: var(--c-ink);
    font-family: var(--f-sans);
    font-size: 0.98rem;
}
.newsletter-form input:focus { outline: 2px solid var(--c-gold); outline-offset: 2px; }
.newsletter-feedback { grid-column: 1 / -1; margin: 0; font-size: 0.85rem; color: var(--c-mute); min-height: 1.2em; }
.newsletter-feedback.is-ok { color: var(--c-good); }
.newsletter-feedback.is-err { color: var(--c-vermillion); }

@media (max-width: 760px) {
    .newsletter-inner { grid-template-columns: 1fr; }
    .newsletter-form { grid-template-columns: 1fr; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: var(--s-7);
    margin-bottom: var(--s-7);
}
.footer-col { display: flex; flex-direction: column; gap: var(--s-2); }
.footer-col a { font-size: 0.92rem; color: var(--c-ink-soft); padding: 2px 0; }
.footer-col a:hover { color: var(--c-gold); }
.footer-h { font-size: 1rem; margin-bottom: var(--s-3); color: var(--c-ink); }
.footer-mission { color: var(--c-mute); font-size: 0.92rem; max-width: 360px; }
.footer-soon { font-size: 0.92rem; color: var(--c-mute); padding: 2px 0; }

.footer-base {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--s-5);
    border-top: 1px solid var(--c-line);
    color: var(--c-mute);
    font-size: 0.85rem;
}
.kanji-tag { font-family: var(--f-jp); }

@media (max-width: 760px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-base { flex-direction: column; gap: var(--s-3); text-align: center; }
}

/* =========================================================================
   Page Hero (small inner pages)
   ========================================================================= */
.page-hero {
    padding: var(--s-9) 0 var(--s-7);
    background:
        radial-gradient(circle at 50% 0%, rgba(184,134,11,0.08), transparent 60%),
        var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero-sm { padding: var(--s-8) 0 var(--s-6); }
.page-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    max-width: 900px;
    margin: 0 auto var(--s-4);
}
.page-sub { color: var(--c-mute); max-width: 720px; margin: 0 auto; font-size: 1.1rem; }

.lead-p {
    font-family: var(--f-serif);
    font-size: 1.4rem;
    line-height: 1.5;
    color: var(--c-ink-soft);
    margin-bottom: var(--s-7);
}

/* =========================================================================
   Animations — fade up on load
   ========================================================================= */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    animation: fadeUp 0.9s cubic-bezier(.2,.8,.2,1) forwards;
}
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }
.delay-4 { animation-delay: 0.48s; }
.delay-5 { animation-delay: 0.6s; }
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.8s cubic-bezier(.2,.8,.2,1), transform 0.8s cubic-bezier(.2,.8,.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    .fade-up, .reveal { animation: none; opacity: 1; transform: none; transition: none; }
}

/* =========================================================================
   Concept Library — homepage
   ========================================================================= */

/* Library hero — treasure room feel */
.lib-hero {
    padding: var(--s-10) 0 var(--s-8);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 540px;
    display: flex;
    align-items: center;
}
.lib-hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
/* Multi-layered enso, breathing */
.lib-hero-canvas::before,
.lib-hero-canvas::after {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}
.lib-hero-canvas::before {
    width: clamp(560px, 80vw, 920px);
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 800'><path d='M 400 70 A 330 330 0 1 0 720 460 A 200 200 0 1 1 280 280' fill='none' stroke='%23B8860B' stroke-width='10' stroke-linecap='round' opacity='0.16'/></svg>") center/contain no-repeat;
    animation: heroEnsoBreathe 14s ease-in-out infinite alternate;
}
.lib-hero-canvas::after {
    width: clamp(700px, 96vw, 1200px);
    background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 800 800'><circle cx='400' cy='400' r='360' fill='none' stroke='%23B8860B' stroke-width='1' opacity='0.12'/><circle cx='400' cy='400' r='280' fill='none' stroke='%23B8860B' stroke-width='1' opacity='0.10'/><circle cx='400' cy='400' r='200' fill='none' stroke='%23B8860B' stroke-width='1' opacity='0.08'/></svg>") center/contain no-repeat;
    animation: heroEnsoBreathe 18s ease-in-out infinite alternate-reverse;
}
@keyframes heroEnsoBreathe {
    0%   { transform: translate(-50%, -50%) rotate(-3deg) scale(0.97); }
    100% { transform: translate(-50%, -50%) rotate(3deg)  scale(1.03); }
}
.lib-hero-content {
    max-width: 880px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.lib-hero-emblem {
    display: inline-block;
    margin: 0 auto var(--s-5);
    line-height: 0;
    color: var(--c-ink);
    opacity: 0.95;
    animation: emblemFadeIn 1.2s 0.2s ease-out backwards;
}
@keyframes emblemFadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 0.95; transform: translateY(0); }
}
.lib-hero-title {
    font-family: var(--f-serif);
    font-size: clamp(2.4rem, 5.5vw, 4.6rem);
    line-height: 1.05;
    margin: 0 0 var(--s-5);
    letter-spacing: -0.015em;
}
.lib-hero-title em {
    color: var(--c-gold);
    font-style: italic;
    background: linear-gradient(120deg, var(--c-gold) 0%, #D4A95A 50%, var(--c-gold) 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}
.lib-hero-sub {
    color: var(--c-ink-soft);
    font-size: clamp(1.05rem, 1.4vw, 1.2rem);
    line-height: 1.6;
    max-width: 720px;
    margin: 0 auto var(--s-6);
}
.lib-hero-cta {
    display: flex;
    gap: var(--s-3);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--s-5);
}
.lib-hero-meta {
    color: var(--c-mute);
    font-size: 0.82rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    display: inline-flex;
    gap: var(--s-4);
    padding: var(--s-2) var(--s-4);
    border: 1px solid var(--c-line);
    border-radius: var(--r-pill);
    background: rgba(184,134,11,0.04);
}
.lib-hero-meta span { display: inline-block; }
.lib-hero-meta span + span::before {
    content: "·";
    margin-right: var(--s-3);
    color: var(--c-gold);
}

/* Library section */
.lib-library { padding: var(--s-7) 0 var(--s-9); background: var(--c-bg-alt); position: relative; }
.lib-library-head { margin-bottom: var(--s-6); }
.lib-library-head .section-h em { color: var(--c-gold); font-style: italic; }

/* ----- Library shell: sidebar + main ----- */
.lib-shell {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--s-5);
    position: relative;
}
@media (min-width: 960px) {
    .lib-shell {
        grid-template-columns: 240px 1fr;
        gap: var(--s-6);
        align-items: start;
    }
}

/* ----- Sidebar ----- */
.lib-side {
    background: var(--c-paper);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    padding: var(--s-4);
    box-shadow: var(--shadow-sm);
}
@media (min-width: 960px) {
    .lib-side {
        position: sticky;
        top: 90px;
        max-height: calc(100vh - 110px);
        overflow-y: auto;
        /* Slimmer than the page scrollbar, same gold thumb */
        scrollbar-width: thin;
        scrollbar-color: rgba(184,134,11,0.35) transparent;
    }
    .lib-side::-webkit-scrollbar { width: 6px; }
    .lib-side::-webkit-scrollbar-track { background: transparent; }
    .lib-side::-webkit-scrollbar-thumb {
        background-color: rgba(184,134,11,0.3);
        border-radius: 6px;
        border: none;
        background-clip: border-box;
        transition: background-color 220ms ease;
    }
    .lib-side::-webkit-scrollbar-thumb:hover  { background-color: rgba(184,134,11,0.6); }
    .lib-side::-webkit-scrollbar-thumb:active { background-color: rgba(184,134,11,0.8); }
    [data-theme="dark"] .lib-side::-webkit-scrollbar-thumb { background-color: rgba(184,134,11,0.4); }
}

.lib-side-head {
    display: none;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--s-3);
    margin-bottom: var(--s-3);
    border-bottom: 1px solid var(--c-line);
}
.lib-side-h {
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 1.1rem;
    margin: 0;
    color: var(--c-ink);
}
.lib-side-close {
    width: 30px; height: 30px;
    border-radius: 50%;
    border: 1px solid var(--c-line);
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--c-ink-soft);
}

/* ----- Search input ----- */
.filter-search {
    position: relative;
    margin: 0 0 var(--s-4);
    /* No padding-bottom / border-bottom here — those would inflate the
       wrapper and push the absolutely-positioned icon below the input's
       visual centre. The dashed divider lives on the first .filter-block
       below instead. */
}
.filter-search + .filter-block {
    border-top: 1px dashed var(--c-line);
    padding-top: var(--s-4);
}
.filter-search input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 38px;
    border-radius: var(--r-pill);
    font-size: 0.92rem;
    font-family: var(--f-serif);
    font-style: italic;
    background: var(--c-bg);
    border: 1.5px solid var(--c-line);
    transition: all var(--t-fast);
}
.filter-search input::placeholder { color: var(--c-mute); font-style: italic; }
.filter-search input:focus {
    border-color: var(--c-gold);
    box-shadow: 0 0 0 3px rgba(184,134,11,0.12);
}
.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--c-gold);
    pointer-events: none;
    width: 14px !important;
    height: 14px !important;
    flex-shrink: 0;
}

/* ----- Filter blocks ----- */
.filter-block {
    margin-bottom: var(--s-4);
    padding-bottom: var(--s-4);
    border-bottom: 1px dashed var(--c-line);
}
.filter-block:last-of-type { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
.filter-block-h {
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--c-mute);
    margin: 0 0 var(--s-3);
    display: inline;
}

/* Tags use <details> to collapse the long list */
.filter-tags { padding-bottom: var(--s-4); }
.filter-tags summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 0;
    user-select: none;
}
.filter-tags summary::-webkit-details-marker { display: none; }
.filter-tags summary::after {
    content: "▾";
    color: var(--c-mute);
    font-size: 0.75rem;
    transition: transform var(--t-fast);
}
.filter-tags[open] summary::after { transform: rotate(180deg); }
.filter-block-meta {
    font-size: 0.7rem;
    color: var(--c-mute);
    margin-left: auto;
    margin-right: var(--s-2);
}
.filter-tags > .pill-group { margin-top: var(--s-3); }

/* ----- Pills (sidebar version: stacked, with counts) ----- */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}
.pill {
    background: transparent;
    border: 1px solid var(--c-line);
    color: var(--c-ink-soft);
    padding: 0.42rem 0.78rem;
    border-radius: var(--r-pill);
    font-size: 0.78rem;
    font-family: var(--f-sans);
    font-weight: 500;
    cursor: pointer;
    transition: all 220ms cubic-bezier(.2,.8,.2,1);
    line-height: 1;
    white-space: nowrap;
    position: relative;
    user-select: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.pill:hover {
    border-color: var(--c-gold);
    color: var(--c-gold);
}
.pill.is-on {
    background: var(--c-ink);
    color: var(--c-bg);
    border-color: var(--c-ink);
}
[data-theme="dark"] .pill.is-on {
    background: var(--c-gold);
    color: var(--c-bg);
    border-color: var(--c-gold);
}
.pill-count {
    font-size: 0.66rem;
    color: var(--c-mute);
    font-weight: 600;
    background: rgba(184,134,11,0.08);
    padding: 1px 6px;
    border-radius: var(--r-pill);
    line-height: 1.4;
}
.pill.is-on .pill-count {
    background: rgba(255,255,255,0.18);
    color: inherit;
}

.pill-tag, .pill-group-sm .pill {
    font-size: 0.7rem;
    padding: 0.3rem 0.62rem;
    color: var(--c-mute);
}
.pill-tag::before {
    content: "";
}
.pill-tag.is-on::before { color: inherit; }

/* ----- Toolbar above grid ----- */
.lib-toolbar {
    display: flex;
    align-items: center;
    gap: var(--s-3);
    margin-bottom: var(--s-5);
    padding-bottom: var(--s-4);
    border-bottom: 1px solid var(--c-line);
}
.lib-side-open {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--c-paper);
    border: 1px solid var(--c-line);
    color: var(--c-ink);
    padding: 0.42rem 0.85rem;
    border-radius: var(--r-pill);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--t-fast);
}
.lib-side-open:hover {
    border-color: var(--c-gold);
    color: var(--c-gold);
}
@media (min-width: 960px) {
    .lib-side-open { display: none; }
}
.lib-toolbar .filter-count {
    font-size: 0.85rem;
    color: var(--c-mute);
    font-style: italic;
}
.lib-toolbar .filter-reset {
    margin-left: auto;
    font-size: 0.85rem;
    color: var(--c-gold);
    border-bottom: 1px dashed currentColor;
    padding-bottom: 1px;
}
.lib-toolbar .filter-reset:hover { color: var(--c-ink); }

/* ----- Mobile drawer behavior ----- */
.lib-side-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(2px);
    z-index: 60;
}
@media (max-width: 959px) {
    .lib-side {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: min(86vw, 340px);
        max-height: 100vh;
        overflow-y: auto;
        z-index: 70;
        border-radius: 0;
        border-right: 1px solid var(--c-line);
        box-shadow: 0 0 30px rgba(0,0,0,0.18);
        transform: translateX(-105%);
        transition: transform 280ms cubic-bezier(.2,.8,.2,1);
    }
    .lib-side.is-open {
        transform: translateX(0);
    }
    .lib-side.is-open + .lib-side-backdrop {
        display: block;
    }
    .lib-side-head { display: flex; }
}

/* ----- Concept grid — explicit responsive column counts ----- */
.lib-grid {
    display: grid !important;
    grid-template-columns: 1fr;          /* mobile: 1-up */
    align-items: stretch;
    gap: var(--s-4);
}
@media (min-width: 600px) {
    .lib-grid { grid-template-columns: repeat(2, 1fr); }     /* tablet: 2-up */
}
@media (min-width: 1200px) {
    .lib-grid {
        grid-template-columns: repeat(3, 1fr);               /* desktop: 3-up */
        gap: var(--s-5);
    }
}
@media (min-width: 1500px) {
    .lib-grid { grid-template-columns: repeat(4, 1fr); }     /* wide desktop: 4-up */
}

/* ----- Concept card — compact, illustration-led ----- */
.concept-card {
    position: relative;
    background: var(--c-paper);
    border: 1px solid var(--c-line);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 280ms cubic-bezier(.2,.8,.2,1), box-shadow 280ms cubic-bezier(.2,.8,.2,1), border-color var(--t-fast);
    border-bottom: 1px solid var(--c-line) !important;
    color: var(--c-ink);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    isolation: isolate;
    /* Baseline shadow — so the card always reads as an object,
       even at the narrow-viewport "single column / full width" case. */
    box-shadow: 0 1px 2px rgba(20,20,30,0.04), 0 4px 14px -6px rgba(20,20,30,0.06);
    width: 100%;
    min-width: 0;
    /* Defensive sanity cap — cards can stretch to fill their grid track,
       but never wider than 440px so they never feel banner-wide. */
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
}
[data-theme="dark"] .concept-card {
    box-shadow: 0 1px 2px rgba(0,0,0,0.30), 0 6px 18px -8px rgba(0,0,0,0.45);
}
.concept-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--accent, var(--c-gold));
    transform-origin: left;
    transform: scaleX(0.15);
    transition: transform 280ms cubic-bezier(.2,.8,.2,1);
    z-index: 3;
}
.concept-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px -14px rgba(20,20,30,0.18);
    border-color: var(--accent, var(--c-gold));
}
[data-theme="dark"] .concept-card:hover {
    box-shadow: 0 18px 40px -14px rgba(0,0,0,0.55);
}
.concept-card:hover::before { transform: scaleX(1); }
.concept-card.is-hidden { display: none; }

/* Illustration band — top of card. Shorter, illustration sized down. */
.c-art-frame {
    position: relative;
    height: 92px;
    background:
        radial-gradient(ellipse at 80% 20%, color-mix(in srgb, var(--art-tint) 14%, transparent), transparent 60%),
        radial-gradient(ellipse at 20% 80%, color-mix(in srgb, var(--art-tint) 6%, transparent),  transparent 60%),
        var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
}
.c-art-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='80'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.2' numOctaves='1' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.04 0 0 0 0 0.03 0 0 0 0 0.02 0 0 0 0.04 0'/></filter><rect width='80' height='80' filter='url(%23n)'/></svg>");
    opacity: 0.4;
    mix-blend-mode: multiply;
    pointer-events: none;
}
[data-theme="dark"] .c-art-frame::before { mix-blend-mode: screen; opacity: 0.14; }

.c-art {
    height: 70px !important;
    width: auto !important;
    max-width: 75%;
    color: var(--accent, var(--c-ink));
    transition: transform 600ms cubic-bezier(.2,.8,.2,1);
    position: relative;
    z-index: 1;
    display: block;
    flex-shrink: 0;
    overflow: visible;
}
.concept-card:hover .c-art {
    transform: scale(1.06);
}

/* =========================================================================
   Concept-art animations — ambient + hover-amplified
   Each variant has subtle motion that matches its meaning:
   - Ikigai: centre glow pulses
   - Wabi-sabi: kintsugi crack draws on hover
   - Mono no aware: petal falls along the trail
   - Shinrin-yoku: trees gently sway
   - Eudaimonia: sun pulses
   - Logos: spiral draws on hover, centre dot pulses
   - Hygge: candle flame flickers, steam rises
   - Lagom: cairn-spark pulses, top stone wobbles
   - Sisu: snow falls on hover
   - Dharma: wheel rotates
   - Ahimsa: aura ring rotates and pulses
   - Wu-wei: water curves drift continuously
   ========================================================================= */

/* All animated SVG groups need a transform-box and origin so transforms
   work the way you'd expect (relative to the element's own bounding box
   in user-units of the SVG viewBox). */
.c-art [class^="ca-"], .c-art [class*=" ca-"] { transform-box: fill-box; transform-origin: center; }

/* IKIGAI — centre glow breathes, ring expands on hover */
.c-art-ikigai .ca-glow {
    transform-origin: 120px 84px;
    transform-box: view-box;
    animation: caGlowPulse 3.6s ease-in-out infinite alternate;
}
.c-art-ikigai .ca-glow-ring {
    transform-origin: 120px 84px;
    transform-box: view-box;
    animation: caRingExpand 5s ease-in-out infinite alternate;
}
@keyframes caGlowPulse {
    0%   { opacity: 0.65; transform: scale(0.85); }
    100% { opacity: 1.0;  transform: scale(1.15); }
}
@keyframes caRingExpand {
    0%   { opacity: 0.25; transform: scale(0.95); }
    100% { opacity: 0.55; transform: scale(1.18); }
}

/* WABI-SABI — kintsugi line draws on hover */
.c-art-wabi .ca-kintsugi {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1.4s cubic-bezier(.2,.8,.2,1);
}
.c-art-wabi .ca-dot { opacity: 0; transition: opacity 0.4s ease; }
.concept-card:hover .c-art-wabi .ca-kintsugi { stroke-dashoffset: 0; }
.concept-card:hover .c-art-wabi .ca-dot-1 { opacity: 1; transition-delay: 0.4s; }
.concept-card:hover .c-art-wabi .ca-dot-2 { opacity: 1; transition-delay: 0.8s; }
.concept-card:hover .c-art-wabi .ca-dot-3 { opacity: 1; transition-delay: 1.2s; }
.c-art-wabi .ca-petal-tiny {
    transform-origin: 200px 24px;
    transform-box: view-box;
    animation: caTinyPetalDrift 6s ease-in-out infinite alternate;
}
@keyframes caTinyPetalDrift {
    0%   { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(-4px, 6px) rotate(20deg); }
}

/* MONO NO AWARE — falling petal animates along its trail */
.c-art-mono .ca-falling-petal {
    transform-box: view-box;
    transform-origin: 0 0;
    animation: caPetalFall 5s ease-in-out infinite;
}
.c-art-mono .ca-floating-petal {
    transform-box: view-box;
    transform-origin: 180px 60px;
    animation: caPetalFloat 7s ease-in-out infinite alternate;
}
@keyframes caPetalFall {
    0%   { transform: translate(60px, 20px)   rotate(0deg);   opacity: 0; }
    10%  { opacity: 1; }
    50%  { transform: translate(100px, 90px)  rotate(120deg); }
    90%  { opacity: 1; }
    100% { transform: translate(130px, 130px) rotate(220deg); opacity: 0; }
}
@keyframes caPetalFloat {
    0%   { transform: translate(0, 0) rotate(-15deg); }
    100% { transform: translate(-6px, 4px) rotate(-30deg); }
}

/* SHINRIN-YOKU — trees gently sway */
.c-art-forest .ca-tree {
    transform-box: view-box;
    transform-origin: center bottom;
    animation: caTreeSway 6s ease-in-out infinite alternate;
}
.c-art-forest .ca-tree-1 { transform-origin: 80px 135px;  animation-duration: 7s;   animation-delay: 0s; }
.c-art-forest .ca-tree-2 { transform-origin: 120px 138px; animation-duration: 5.5s; animation-delay: -1s; }
.c-art-forest .ca-tree-3 { transform-origin: 160px 135px; animation-duration: 6.5s; animation-delay: -2s; }
@keyframes caTreeSway {
    0%   { transform: rotate(-1.4deg); }
    100% { transform: rotate(1.4deg); }
}

/* EUDAIMONIA — sun pulses (rising) */
.c-art-eud .ca-sun {
    transform-box: view-box;
    transform-origin: 120px 60px;
    animation: caSunRise 4.5s ease-in-out infinite alternate;
}
@keyframes caSunRise {
    0%   { transform: translateY(2px)  scale(0.92); opacity: 0.35; }
    100% { transform: translateY(-2px) scale(1.06); opacity: 0.6; }
}

/* LOGOS — spiral draws on hover, centre dot pulses always */
.c-art-logos .ca-spiral {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1.6s cubic-bezier(.2,.8,.2,1);
}
.concept-card:hover .c-art-logos .ca-spiral { stroke-dashoffset: 0; }
.c-art-logos .ca-spiral-dot {
    transform-box: view-box;
    transform-origin: 128px 78px;
    animation: caDotPulse 2.6s ease-in-out infinite alternate;
}
@keyframes caDotPulse {
    0%   { transform: scale(0.7); opacity: 0.7; }
    100% { transform: scale(1.4); opacity: 1; }
}

/* HYGGE — flame flickers, steam rises, halo breathes */
.c-art-hygge .ca-halo {
    transform-box: view-box;
    transform-origin: 100px 60px;
    animation: caHaloPulse 4s ease-in-out infinite alternate;
}
.c-art-hygge .ca-flame {
    transform-box: view-box;
    transform-origin: 100px 60px;
    animation: caFlameFlicker 0.45s ease-in-out infinite alternate;
}
.c-art-hygge .ca-steam {
    transform-box: view-box;
    animation: caSteamRise 3.2s ease-out infinite;
    opacity: 0;
}
.c-art-hygge .ca-steam-1 { transform-origin: 170px 88px; animation-delay: 0s; }
.c-art-hygge .ca-steam-2 { transform-origin: 184px 88px; animation-delay: 1.6s; }
@keyframes caHaloPulse {
    0%   { opacity: 0.7;  transform: scale(0.94); }
    100% { opacity: 1;    transform: scale(1.06); }
}
@keyframes caFlameFlicker {
    0%   { transform: scale(0.94, 0.96) translateY(0); }
    100% { transform: scale(1.06, 1.04) translateY(-1px); }
}
@keyframes caSteamRise {
    0%   { opacity: 0;    transform: translateY(0)   scaleX(0.8); }
    20%  { opacity: 0.45; }
    100% { opacity: 0;    transform: translateY(-8px) scaleX(1.1); }
}

/* LAGOM — cairn-spark on top pulses, stones gently wobble */
.c-art-lagom .ca-cairn-spark {
    transform-box: view-box;
    transform-origin: 120px 60px;
    animation: caSparkPulse 2.4s ease-in-out infinite alternate;
}
.c-art-lagom .ca-stone-top {
    transform-box: view-box;
    transform-origin: 120px 80px;
    animation: caStoneBalance 5s ease-in-out infinite alternate;
}
@keyframes caSparkPulse {
    0%   { transform: scale(0.7); opacity: 0.6; }
    100% { transform: scale(1.5); opacity: 1; }
}
@keyframes caStoneBalance {
    0%   { transform: translateX(-1px) rotate(-1deg); }
    100% { transform: translateX(1px)  rotate(1deg); }
}

/* SISU — snow falls slowly */
.c-art-sisu .ca-snow circle {
    animation: caSnowFall 6s linear infinite;
    transform-box: view-box;
}
.c-art-sisu .ca-snow circle:nth-child(1) { animation-delay: 0s;   animation-duration: 6s; }
.c-art-sisu .ca-snow circle:nth-child(2) { animation-delay: -2s;  animation-duration: 7s; }
.c-art-sisu .ca-snow circle:nth-child(3) { animation-delay: -4s;  animation-duration: 8s; }
.c-art-sisu .ca-snow circle:nth-child(4) { animation-delay: -1s;  animation-duration: 6.5s; }
.c-art-sisu .ca-snow circle:nth-child(5) { animation-delay: -3s;  animation-duration: 7.5s; }
.c-art-sisu .ca-snow circle:nth-child(6) { animation-delay: -5s;  animation-duration: 6.5s; }
@keyframes caSnowFall {
    0%   { transform: translateY(-30px); opacity: 0; }
    20%  { opacity: 0.6; }
    80%  { opacity: 0.5; }
    100% { transform: translateY(80px);  opacity: 0; }
}

/* DHARMA — wheel rotates slowly, faster on hover */
.c-art-dharma .ca-wheel {
    transform-box: view-box;
    transform-origin: 120px 80px;
    animation: caWheelTurn 26s linear infinite;
}
.concept-card:hover .c-art-dharma .ca-wheel {
    animation-duration: 6s;
}
@keyframes caWheelTurn {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* AHIMSA — aura ring slowly rotates, dove flies forward on hover */
.c-art-ahimsa .ca-aura {
    transform-box: view-box;
    transform-origin: 130px 92px;
    animation: caAuraRotate 30s linear infinite, caAuraPulse 5s ease-in-out infinite alternate;
}
.c-art-ahimsa .ca-dove {
    transform-box: view-box;
    transform-origin: 50px 35px;
    transition: transform 1.2s cubic-bezier(.2,.8,.2,1);
}
.concept-card:hover .c-art-ahimsa .ca-dove {
    transform: translate(-30px, -10px) scale(1.05);
}
@keyframes caAuraRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}
@keyframes caAuraPulse {
    0%   { opacity: 0.2; }
    100% { opacity: 0.45; }
}

/* WU WEI — water curves drift continuously, like waves */
.c-art-wuwei .ca-water {
    transform-box: view-box;
    animation: caWaterDrift 7s ease-in-out infinite alternate;
}
.c-art-wuwei .ca-water-1 { animation-duration: 6s;   animation-delay: 0s; }
.c-art-wuwei .ca-water-2 { animation-duration: 7s;   animation-delay: -1.5s; }
.c-art-wuwei .ca-water-3 { animation-duration: 8s;   animation-delay: -3s; }
@keyframes caWaterDrift {
    0%   { transform: translateX(-3px); }
    100% { transform: translateX(3px); }
}

/* prefers-reduced-motion: kill all art motion */
@media (prefers-reduced-motion: reduce) {
    .c-art *, .c-art [class^="ca-"], .c-art [class*=" ca-"] {
        animation: none !important;
        transition: none !important;
    }
    .c-art-wabi .ca-kintsugi { stroke-dashoffset: 0; }
    .c-art-wabi .ca-dot { opacity: 1; }
    .c-art-logos .ca-spiral { stroke-dashoffset: 0; }
}

/* Native-script glyph — small, in the bottom-right of art band */
.c-art-script {
    position: absolute;
    bottom: 4px;
    right: 10px;
    font-family: var(--f-jp);
    font-size: 0.78rem;
    color: var(--accent, var(--c-ink));
    opacity: 0.5;
    letter-spacing: 0.04em;
    z-index: 2;
    user-select: none;
    pointer-events: none;
    line-height: 1;
}

/* Body — tighter padding */
.c-body {
    padding: var(--s-4) var(--s-4) var(--s-4);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.c-meta-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 5px;
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--c-mute);
    margin-bottom: var(--s-3);
}
.c-status {
    padding: 2px 7px;
    border-radius: var(--r-pill);
    font-weight: 700;
    font-size: 0.58rem;
    letter-spacing: 0.16em;
    line-height: 1.4;
}
.c-status-live {
    background: var(--accent, var(--c-gold));
    color: var(--c-bg);
}
.c-status-soon {
    background: transparent;
    color: var(--c-mute);
    border: 1px solid var(--c-line);
}
.c-region::before, .c-category::before {
    content: "·";
    color: var(--c-line);
    margin: 0 3px;
}

.c-title {
    margin: 0 0 4px;
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 1.3rem;
    line-height: 1.1;
    color: var(--accent, var(--c-ink));
    letter-spacing: -0.005em;
}
.c-sub {
    margin: 0 0 var(--s-3);
    font-family: var(--f-serif);
    font-size: 0.88rem;
    line-height: 1.3;
    color: var(--c-ink);
}
.c-origin {
    margin: 0 0 var(--s-2);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--c-mute);
}
.c-summary {
    margin: 0 0 var(--s-3);
    font-size: 0.84rem;
    line-height: 1.5;
    color: var(--c-ink-soft);
    flex: 1;
    /* clamp visible summary to 3 lines so all cards equalise */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.c-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-bottom: var(--s-3);
}
.c-tag {
    font-size: 0.62rem;
    padding: 2px 7px;
    border-radius: var(--r-pill);
    background: color-mix(in srgb, var(--accent) 7%, var(--c-bg));
    color: var(--c-ink-soft);
    border: 1px solid transparent;
    letter-spacing: 0.03em;
    line-height: 1.3;
}
.c-tag-more {
    background: transparent;
    border-color: var(--c-line);
    color: var(--c-mute);
    font-weight: 600;
}
.c-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    color: var(--accent, var(--c-gold));
    font-weight: 600;
    font-size: 0.82rem;
    letter-spacing: 0.02em;
    transition: gap var(--t-fast);
}
.c-cta svg {
    width: 12px;
    height: 12px;
    transition: transform 280ms cubic-bezier(.2,.8,.2,1);
}
.concept-card:hover .c-cta { gap: 10px; }
.concept-card:hover .c-cta svg { transform: translateX(3px); }
.concept-soon { opacity: 0.94; }
.concept-soon:hover { opacity: 1; }
.concept-soon .c-cta { color: var(--c-mute); }
.concept-soon:hover .c-cta { color: var(--accent, var(--c-gold)); }

/* Promise */
.lib-promise { padding: var(--s-9) 0; text-align: center; }
.big-quote {
    margin: 0 auto;
    max-width: 780px;
    font-family: var(--f-serif);
    font-size: clamp(1.4rem, 3vw, 2rem);
    line-height: 1.5;
    color: var(--c-ink);
    border-left: 3px solid var(--c-gold);
    padding-left: var(--s-5);
    text-align: left;
}

/* Concept "coming soon" page */
.concept-coming {
    padding: var(--s-9) 0 var(--s-10);
    position: relative;
    overflow: hidden;
}
.concept-coming::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 70% 0%, color-mix(in srgb, var(--accent) 18%, transparent) 0%, transparent 60%),
        radial-gradient(ellipse at 0% 100%, color-mix(in srgb, var(--accent) 8%, transparent) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}
.concept-coming .container { position: relative; z-index: 1; }
.concept-coming-script {
    font-family: var(--f-jp);
    font-size: clamp(4rem, 12vw, 8rem);
    line-height: 1;
    color: var(--accent, var(--c-gold));
    opacity: 0.85;
    margin: 0 0 var(--s-3);
    letter-spacing: -0.02em;
}
.concept-coming-title {
    font-size: clamp(2.6rem, 6vw, 4.4rem);
    font-family: var(--f-serif);
    font-style: italic;
    margin: 0 0 var(--s-4);
}
.concept-coming-sub {
    font-family: var(--f-serif);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    color: var(--c-ink-soft);
    margin: 0 0 var(--s-5);
    line-height: 1.4;
}
.concept-coming-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-3);
    align-items: center;
    margin-bottom: var(--s-6);
    color: var(--c-mute);
    font-size: 0.9rem;
}
.concept-coming-summary {
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--c-ink);
    margin-bottom: var(--s-5);
}
.concept-coming-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--s-2);
    margin-bottom: var(--s-7);
}

.concept-coming-notify {
    background: var(--c-paper);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: var(--s-6);
    margin-bottom: var(--s-7);
}
.concept-coming-notify h2 { font-size: 1.6rem; margin: 0 0 var(--s-2); }
.concept-coming-notify p  { color: var(--c-mute); margin: 0 0 var(--s-4); }
.concept-coming-notify form { display: grid; grid-template-columns: 1fr auto; gap: var(--s-3); }
.concept-coming-notify form input { padding: 0.85rem 1rem; }
.concept-coming-notify .form-feedback { grid-column: 1 / -1; min-height: 1.2em; font-size: 0.88rem; }
@media (max-width: 600px) {
    .concept-coming-notify form { grid-template-columns: 1fr; }
}

.concept-coming-meanwhile {
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent);
    border-left: 3px solid var(--accent, var(--c-gold));
    padding: var(--s-5);
    border-radius: var(--r-md);
    margin-bottom: var(--s-7);
}
.concept-coming-meanwhile h3 { margin: 0 0 var(--s-3); font-size: 1.2rem; }
.concept-coming-meanwhile p  { margin: 0; color: var(--c-ink-soft); }

.concept-coming-back { color: var(--c-mute); font-size: 0.9rem; }

/* =========================================================================
   ENDORSEMENT / HANKO SEAL — public vote-of-confidence per concept
   ========================================================================= */
.endorse-section {
    padding: var(--s-7) 0 var(--s-8);
    background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--endorse-accent, var(--c-gold)) 4%, transparent));
    border-top: 1px solid var(--c-line);
    text-align: center;
}
.endorse-head { margin-bottom: var(--s-5); }
.endorse-eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--c-mute);
    margin: 0 0 var(--s-3);
}
.endorse-h {
    font-family: var(--f-serif);
    font-size: clamp(1.6rem, 3.2vw, 2.4rem);
    margin: 0 0 var(--s-3);
    color: var(--c-ink);
    line-height: 1.15;
}
.endorse-h em { color: var(--endorse-accent, var(--c-gold)); font-style: italic; }
.endorse-sub { color: var(--c-ink-soft); margin: 0 auto; max-width: 640px; line-height: 1.55; }

/* Big count + button row */
.endorse-stage {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--s-5);
    margin: var(--s-5) 0 var(--s-4);
    flex-wrap: wrap;
}
.endorse-count { display: flex; align-items: baseline; gap: 8px; margin: 0; }
.endorse-count-num {
    font-family: var(--f-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--endorse-accent, var(--c-gold));
    line-height: 1;
}
.endorse-count-label {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    color: var(--c-mute);
}

.endorse-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.85rem 1.6rem;
    border-radius: var(--r-pill);
    border: 1.5px solid var(--endorse-accent, var(--c-gold));
    background: transparent;
    color: var(--endorse-accent, var(--c-gold));
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 220ms cubic-bezier(.2,.8,.2,1);
    text-decoration: none;
    line-height: 1;
}
.endorse-btn:hover {
    background: var(--endorse-accent, var(--c-gold));
    color: var(--c-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px -10px color-mix(in srgb, var(--endorse-accent) 60%, transparent);
}
.endorse-btn-seal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px; height: 24px;
    border-radius: 4px;
    border: 1.5px solid currentColor;
    font-family: var(--f-serif);
    font-size: 0.85rem;
    line-height: 1;
}
.endorse-btn-label-withdraw { display: none; }
.endorse-btn.is-voted {
    background: var(--endorse-accent, var(--c-gold));
    color: var(--c-bg);
    border-color: var(--endorse-accent, var(--c-gold));
}
.endorse-btn.is-voted .endorse-btn-seal {
    background: var(--c-bg);
    color: var(--endorse-accent, var(--c-gold));
}
.endorse-btn.is-voted:hover .endorse-btn-label-cast    { display: none; }
.endorse-btn.is-voted:hover .endorse-btn-label-withdraw { display: inline; }

.endorse-btn-signin { font-size: 0.92rem; }

/* Optional note form */
.endorse-note-form {
    max-width: 560px;
    margin: 0 auto var(--s-6);
    text-align: left;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 380ms cubic-bezier(.2,.8,.2,1), opacity 280ms ease, margin 280ms ease;
}
.endorse-note-form.is-active { max-height: 240px; opacity: 1; }
.endorse-note-form label {
    display: block;
    font-size: 0.82rem;
    color: var(--c-ink-soft);
    margin-bottom: 6px;
    font-weight: 500;
}
.endorse-note-form label span { color: var(--c-mute); font-weight: 400; font-size: 0.75rem; }
.endorse-note-form textarea {
    width: 100%;
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    background: var(--c-bg);
    font-size: 0.92rem;
    font-family: var(--f-serif);
    line-height: 1.5;
    resize: vertical;
}
.endorse-note-form textarea:focus {
    outline: none;
    border-color: var(--endorse-accent, var(--c-gold));
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--endorse-accent) 15%, transparent);
}
.endorse-note-save {
    margin-top: 8px;
    background: transparent;
    border: 1px solid var(--c-line);
    color: var(--c-ink-soft);
    padding: 6px 14px;
    border-radius: var(--r-pill);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--t-fast);
}
.endorse-note-save:hover {
    border-color: var(--endorse-accent, var(--c-gold));
    color: var(--endorse-accent, var(--c-gold));
}
.endorse-note-feedback { font-size: 0.82rem; margin: 6px 0 0; min-height: 1em; color: var(--c-mute); }
.endorse-note-feedback.is-ok { color: var(--endorse-accent, var(--c-gold)); }
.endorse-note-feedback.is-err { color: var(--c-vermillion); }

/* Hanko wall — tiled vermillion seals */
.hanko-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    max-width: 720px;
    margin: var(--s-5) auto var(--s-6);
    padding: var(--s-5) var(--s-4);
    background:
        repeating-linear-gradient(90deg, transparent 0 30px, rgba(0,0,0,0.015) 30px 31px),
        repeating-linear-gradient(0deg,  transparent 0 30px, rgba(0,0,0,0.015) 30px 31px),
        var(--c-paper);
    border: 1px solid var(--c-line);
    border-radius: 10px;
    min-height: 80px;
}
.hanko-seal {
    width: 38px;
    height: 38px;
    border-radius: 4px;
    background: #C0392B;
    border: 1.5px solid #8E2A1F;
    color: #FAF6EC;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transform: rotate(var(--rot, 0deg));
    box-shadow: 0 1px 2px rgba(192,57,43,0.4), inset 0 0 0 1px rgba(255,255,255,0.06);
    transition: transform 220ms cubic-bezier(.2,.8,.2,1);
    font-family: var(--f-serif);
    font-weight: 700;
    font-size: 1.05rem;
    line-height: 1;
    user-select: none;
    flex-shrink: 0;
}
.hanko-seal:hover { transform: rotate(0deg) scale(1.15); z-index: 2; }
.hanko-letter {
    color: inherit;
    text-shadow: 0 1px 0 rgba(0,0,0,0.18);
}
.hanko-empty {
    color: var(--c-mute);
    font-style: italic;
    font-family: var(--f-serif);
    margin: 0;
}

/* Stamp-on animation (added to a fresh seal via JS) */
@keyframes hankoStamp {
    0%   { transform: rotate(var(--rot, 0deg)) scale(2.5); opacity: 0; }
    50%  { transform: rotate(var(--rot, 0deg)) scale(0.85); opacity: 1; }
    70%  { transform: rotate(var(--rot, 0deg)) scale(1.1);  }
    100% { transform: rotate(var(--rot, 0deg)) scale(1);    opacity: 1; }
}
.hanko-seal.is-fresh {
    animation: hankoStamp 600ms cubic-bezier(.2,1.4,.4,1);
}
@media (prefers-reduced-motion: reduce) {
    .hanko-seal.is-fresh { animation: none; }
}

/* Recent endorsements with notes */
.endorse-recent {
    max-width: 720px;
    margin: 0 auto;
    text-align: left;
}
.endorse-recent summary {
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--c-ink-soft);
    text-align: center;
    list-style: none;
    padding: 8px;
}
.endorse-recent summary::-webkit-details-marker { display: none; }
.endorse-recent summary::after {
    content: " ↓";
    color: var(--endorse-accent, var(--c-gold));
}
.endorse-recent[open] summary::after { content: " ↑"; }
.endorse-recent-list {
    list-style: none;
    padding: 0;
    margin: var(--s-4) 0 0;
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
}
.endorse-recent-list li {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: var(--s-3);
    align-items: start;
    padding: var(--s-3);
    background: var(--c-paper);
    border: 1px solid var(--c-line);
    border-radius: 8px;
}
.hanko-seal-mini { transform: rotate(0deg) !important; }
.endorse-recent-note {
    font-family: var(--f-serif);
    font-style: italic;
    color: var(--c-ink);
    margin: 0 0 4px;
    line-height: 1.5;
    font-size: 0.95rem;
}
.endorse-recent-cite { font-size: 0.78rem; color: var(--c-mute); margin: 0; }

/* Concept-card endorsement count chip on the homepage */
.c-endorse-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: auto;
    font-size: 0.66rem;
    color: var(--c-mute);
    font-weight: 600;
    letter-spacing: 0.04em;
}
.c-endorse-chip::before {
    content: "⊡";
    color: #C0392B;
    font-size: 0.85rem;
    line-height: 1;
}

/* Mobile-nav header labels */
.mobile-nav-h {
    color: var(--c-mute);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: var(--s-4) 0 var(--s-2);
    margin: 0;
    border-bottom: 1px solid var(--c-line);
}

/* =========================================================================
   Forms (shared)
   ========================================================================= */
input[type="text"], input[type="email"], input[type="number"], input[type="search"], input[type="tel"],
input[type="url"], input[type="password"], input[type="date"], textarea, select {
    width: 100%;
    padding: 0.7rem 0.95rem;
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: 10px;
    font-family: var(--f-sans);
    font-size: 0.92rem;
    color: var(--c-ink);
    transition: border-color var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast);
    line-height: 1.4;
}
textarea { resize: vertical; min-height: 64px; line-height: 1.5; }
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--c-gold);
    box-shadow: 0 0 0 3px rgba(184,134,11,0.15);
}
input::placeholder, textarea::placeholder { color: var(--c-mute); }

/* Custom select — gold chevron, no native browser arrow */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B8860B' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    padding-right: 36px;
    cursor: pointer;
}
[data-theme="dark"] select {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E0B257' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
}
/* Hide IE/Edge native dropdown arrow */
select::-ms-expand { display: none; }

/* Number-input spinners — keep, but quieter */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    opacity: 0.4;
    transition: opacity var(--t-fast);
}
input[type="number"]:hover::-webkit-outer-spin-button,
input[type="number"]:hover::-webkit-inner-spin-button { opacity: 0.85; }

label { display: block; font-size: 0.82rem; color: var(--c-ink-soft); font-weight: 500; margin-bottom: 6px; letter-spacing: 0.02em; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Compact calculator field grid (HHB & similar inline calcs) */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s-3);
    margin-bottom: var(--s-4);
}
.calc-field-full { grid-column: 1 / -1; }
.calc-field label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--c-mute);
    margin-bottom: 4px;
    font-weight: 600;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}
.calc-field .calc-unit {
    text-transform: none;
    letter-spacing: 0.02em;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--c-mute);
    opacity: 0.8;
}
.calc-field input,
.calc-field select {
    padding: 0.55rem 0.75rem;
    font-size: 0.92rem;
    border-radius: 8px;
}
.calc-field select {
    background-position: right 8px center;
    background-size: 12px;
    padding-right: 28px;
}
.calc-btn {
    width: 100%;
    margin-top: 4px;
}

.form-feedback { margin: 0; font-size: 0.88rem; min-height: 1.2em; color: var(--c-mute); }
.form-feedback.is-ok { color: #588157; }
.form-feedback.is-err { color: var(--c-vermillion); }

.empty-state { color: var(--c-mute); padding: var(--s-7); text-align: center; }