/* ============================================================
   airCloset Studio — Design System v10.5
   Shared by index.html, oshi.html, collection.html
   Includes mobile-native optimizations
   ============================================================ */

:root {
  --bg: #fbf8f4;
  --surface: #ffffff;
  --surface-2: #f5efe7;
  --ink: #1b1f2a;
  --ink-2: #4a4f5c;
  --ink-3: #8b8b8e;
  --ink-4: #b5b5b8;
  --line: rgba(27, 31, 42, 0.08);
  --line-2: rgba(27, 31, 42, 0.16);
  --coral: #e68b7c;
  --coral-deep: #c56a5c;
  --coral-soft: #f9dcd6;
  --beige: #e8c9a8;
  --beige-soft: #f1e2cd;
  --gold: #b89045;
  --ok: #2e7d5b;
  --ok-soft: rgba(46, 125, 91, 0.08);
  --ng: #a04437;
  --ng-soft: rgba(184, 92, 79, 0.08);
  --r-card: 20px;
  --r-pill: 999px;
  --shadow-s: 0 1px 2px rgba(27, 31, 42, 0.04), 0 4px 12px rgba(27, 31, 42, 0.04);
  --shadow-m: 0 6px 20px rgba(27, 31, 42, 0.07);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ============ Reset + mobile-native base ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}
button,
input,
select,
textarea {
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}
button {
  touch-action: manipulation;
}
img {
  max-width: 100%;
  height: auto;
}

@media (hover: none) and (pointer: coarse) {
  .btn-primary:active,
  .btn-secondary:active,
  .btn-ghost:active,
  .entry:active,
  .qp:active,
  .studio-card:active,
  .ex-tag:active,
  .popular-chips .chip:active,
  .oshi-tab:active,
  .mood-btn:active {
    transform: scale(0.98) !important;
    transition: transform 0.08s ease !important;
  }
  .studio-card:hover,
  .entry:hover,
  .qp:hover {
    transform: none !important;
  }
}

.studio-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}
@media (max-width: 760px) {
  .studio-container {
    padding: 0 18px;
  }
}
@media (max-width: 420px) {
  .studio-container {
    padding: 0 14px;
  }
}

/* ============ Sticky Studio Header ============ */
.studio-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 248, 244, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
  padding-top: calc(14px + env(safe-area-inset-top, 0));
}
.studio-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.studio-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}
.studio-brand img {
  height: 22px;
  width: auto;
  display: block;
  flex-shrink: 0;
}
.studio-brand .sep {
  width: 1px;
  height: 18px;
  background: var(--line-2);
  flex-shrink: 0;
}
.studio-brand .sub {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.studio-brand::after {
  content: 'β';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-deep) 100%);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 11.5px;
  letter-spacing: 0;
  line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(197, 106, 92, 0.28);
}
@media (max-width: 420px) {
  .studio-brand::after {
    min-width: 20px;
    height: 20px;
    font-size: 10.5px;
    padding: 0 5px;
  }
}
.beta-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--coral-soft);
  border-radius: 12px;
  color: var(--coral-deep);
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1.5;
  margin: 14px 0 26px;
  max-width: 720px;
}
.beta-info .mk {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 5px;
  background: linear-gradient(135deg, var(--coral) 0%, var(--coral-deep) 100%);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 10.5px;
  flex-shrink: 0;
  line-height: 1;
  box-shadow: 0 2px 5px rgba(197, 106, 92, 0.2);
}
.beta-info .txt {
  color: var(--ink-2);
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
}
.beta-info .txt strong {
  color: var(--ink);
  font-weight: 600;
}
@media (max-width: 560px) {
  .beta-info {
    padding: 9px 14px;
    font-size: 11.5px;
    gap: 8px;
    margin: 12px 0 20px;
  }
  .beta-info .mk {
    min-width: 18px;
    height: 18px;
    font-size: 9.5px;
  }
}
.studio-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* ============ Buttons ============ */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  min-height: 38px;
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--ink);
  transform: translateY(-1px);
}
.btn-ghost svg {
  width: 14px;
  height: 14px;
}
.btn-ghost .cnt {
  background: var(--coral);
  color: #fff;
  border-radius: var(--r-pill);
  font-size: 10.5px;
  padding: 1px 7px;
  font-weight: 700;
  min-width: 18px;
  text-align: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: var(--r-pill);
  padding: 12px 24px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  font-family: inherit;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.14s;
  min-height: 44px;
}
.btn-primary:hover {
  background: var(--coral-deep);
  transform: translateY(-1px);
}
.btn-primary svg {
  width: 14px;
  height: 14px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  padding: 10px 22px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.22s var(--ease);
  min-height: 42px;
}
.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-1px);
}

/* ============ Section Heads ============ */
.sec-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.sec-head .eyebrow {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 8px;
}
.sec-head h2 {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 26px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.sec-head h2 .ed {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
  margin: 0 0.1em;
}

/* ============ Search Bar ============ */
.studio-search-bar {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  padding: 6px 6px 6px 20px;
  box-shadow: var(--shadow-s);
  max-width: 540px;
  transition:
    border-color 0.22s var(--ease),
    box-shadow 0.22s var(--ease);
  min-height: 52px;
}
.studio-search-bar:focus-within {
  border-color: var(--coral);
  box-shadow: 0 0 0 4px var(--coral-soft);
}
.studio-search-bar .ic {
  color: var(--ink-3);
  display: flex;
  flex-shrink: 0;
}
.studio-search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
  padding: 12px 14px;
  font-family: inherit;
  color: var(--ink);
  min-width: 0;
}
.studio-search-bar input::placeholder {
  color: var(--ink-4);
}

/* ============ Coorde Card ============ */
.studio-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  position: relative;
  transition:
    transform 0.25s var(--ease),
    border-color 0.25s,
    box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}
.studio-card:hover {
  transform: translateY(-3px);
  border-color: var(--coral);
  box-shadow: var(--shadow-m);
}
.studio-card .photos {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--surface-2);
  flex-shrink: 0;
}
.studio-card .photos.solo {
  grid-template-columns: 1fr;
}
.studio-card .photos .ph {
  aspect-ratio: 3/4;
  background: var(--surface-2);
  overflow: hidden;
}
.studio-card .photos.solo .ph {
  aspect-ratio: 3/2;
}
.studio-card .photos.solo .ph img {
  object-position: center 22%;
}
.studio-card .photos .ph + .ph {
  border-left: 1px solid var(--bg);
}
.studio-card .photos .ph img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.studio-card .badges-top {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  pointer-events: none;
  z-index: 2;
}
.studio-card .match-badge {
  background: rgba(27, 31, 42, 0.92);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  pointer-events: auto;
}
.studio-card .match-badge .m {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-right: 2px;
}
.studio-card .accent-badge {
  background: linear-gradient(135deg, var(--gold), #d6ae5d);
  color: #fff;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 10.5px;
  padding: 5px 10px;
  border-radius: 8px;
  pointer-events: auto;
  letter-spacing: 0.02em;
}
.studio-card .fav-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-3);
  cursor: pointer;
  pointer-events: auto;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(27, 31, 42, 0.08);
  padding: 0;
}
.studio-card .fav-btn:hover {
  color: var(--coral);
  border-color: var(--coral);
}
.studio-card .fav-btn.on {
  background: var(--coral);
  border-color: var(--coral);
  color: #fff;
}
.studio-card .fav-btn.on svg {
  fill: #fff;
}
.studio-card .fav-btn svg {
  width: 16px;
  height: 16px;
  pointer-events: none;
}
@keyframes favPop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.22);
  }
  100% {
    transform: scale(1);
  }
}
.studio-card .fav-btn.pop {
  animation: favPop 0.34s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.studio-card .body {
  padding: 18px 20px 18px;
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
}
.studio-card .reason {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.studio-card .reason .em {
  color: var(--coral-deep);
  font-style: italic;
}
.studio-card .items {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 12px;
  color: var(--ink-3);
  letter-spacing: 0.015em;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.studio-card .items .nm {
  color: var(--ink-2);
  font-weight: 500;
}
.studio-card .items .col {
  font-size: 11px;
  margin-top: 2px;
}
.studio-card .actions {
  display: flex;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
}
.studio-card .actions button {
  flex: 1;
  padding: 7px 10px;
  border-radius: var(--r-pill);
  font-size: 11.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid transparent;
  min-height: 32px;
  letter-spacing: 0.01em;
}
.studio-card .actions .btn-like {
  background: var(--coral-soft);
  border-color: transparent;
  color: var(--coral-deep);
}
.studio-card .actions .btn-like:hover,
.studio-card .actions .btn-like.active {
  background: var(--coral);
  color: #fff;
}
.studio-card .actions .btn-skip {
  background: transparent;
  border-color: var(--line-2);
  color: var(--ink-2);
}
.studio-card .actions .btn-skip:hover {
  border-color: var(--ink);
}
.studio-card .actions .btn-more {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--ink-2);
}
.studio-card .actions .btn-more:hover {
  background: var(--beige-soft);
  border-color: var(--beige);
  color: var(--ink);
}
.studio-card .actions button svg {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
}

/* ============ Tips card ============ */
.tips-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 26px 28px;
  position: relative;
  display: grid;
  grid-template-columns: 4px 1fr;
  gap: 22px;
  margin: 4px 0 28px;
}
.tips-card .stripe {
  background: linear-gradient(180deg, var(--coral), var(--beige));
  border-radius: 4px;
}
.tips-card .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 10px;
}
.tips-card .eyebrow svg {
  width: 14px;
  height: 14px;
}
.tips-card h3 {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  font-style: italic;
  font-weight: 600;
  font-size: 22px;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.005em;
  margin-bottom: 12px;
}
.tips-card h3 .q {
  color: var(--coral-deep);
}
.tips-card .advice {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 14px;
}
.tips-card .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tips-card .chip {
  padding: 5px 11px;
  border-radius: var(--r-pill);
  font-size: 11.5px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.tips-card .chip.ok {
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid rgba(46, 125, 91, 0.22);
}
.tips-card .chip.ng {
  background: var(--ng-soft);
  color: var(--ng);
  border: 1px solid rgba(184, 92, 79, 0.22);
}
.tips-card .chip .mk {
  font-size: 9.5px;
  opacity: 0.85;
  letter-spacing: 0.04em;
}

/* ============ Tribute Card (Oshi) ============ */
.tribute-card {
  position: relative;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 30px 32px 26px;
  margin-bottom: 22px;
  overflow: hidden;
}
.tribute-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--beige), var(--coral));
}
.tribute-card .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 12px;
}
.tribute-card .eyebrow svg {
  width: 14px;
  height: 14px;
}
.tribute-card .name {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 700;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.tribute-card .name .q {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
}
.tribute-card .text {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  font-style: italic;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-2);
  letter-spacing: 0.015em;
  margin-bottom: 18px;
  max-width: 760px;
}
.tribute-card .points {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tribute-card .point {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: var(--r-pill);
  background: var(--bg);
  border: 1px solid var(--line-2);
  font-size: 12.5px;
  color: var(--ink);
  font-weight: 500;
}
.tribute-card .point svg {
  width: 11px;
  height: 11px;
  color: var(--coral);
  flex-shrink: 0;
}

/* ============ Toast ============ */
.studio-toast {
  position: fixed;
  bottom: calc(24px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--r-pill);
  font-size: 13px;
  box-shadow: 0 8px 30px rgba(27, 31, 42, 0.3);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.25s,
    transform 0.25s;
  z-index: 100;
  max-width: calc(100vw - 32px);
}
.studio-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ============ Loading ============ */
.studio-loading {
  text-align: center;
  padding: 64px 20px;
  color: var(--ink-3);
}
.studio-loading-ring {
  display: inline-block;
  width: 36px;
  height: 36px;
  border: 2px solid var(--line-2);
  border-top-color: var(--coral);
  border-radius: 50%;
  margin-bottom: 16px;
  animation: spin 1.1s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.studio-loading-text {
  font-family: 'Cormorant Garamond', 'Noto Sans JP', serif;
  font-style: italic;
  font-size: 14.5px;
  color: var(--ink-2);
}

/* ============ Section Container ============ */
.studio-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 24px 28px;
  margin-bottom: 18px;
}
.studio-section h3 {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 14px;
  letter-spacing: -0.005em;
}
.studio-section h3 .ed {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
  margin: 0 0.1em;
}
.studio-section h3 .count {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--ink-3);
  font-size: 14px;
  margin-left: 8px;
}

/* ============ Meta row ============ */
.meta-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.meta-row:last-child {
  border-bottom: none;
}
.meta-label {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral-deep);
}
.meta-value {
  font-size: 14px;
  color: var(--ink);
}
.meta-value .chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 11px;
  background: var(--surface-2);
  color: var(--ink);
  border-radius: var(--r-pill);
  margin: 2px 4px 2px 0;
  font-size: 12px;
  border: 1px solid var(--line);
}
.color-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

/* ============ Empty state ============ */
.studio-empty {
  text-align: center;
  padding: 80px 24px;
  max-width: 480px;
  margin: 0 auto;
}
.studio-empty .ico {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  margin: 0 auto 22px;
  background: var(--coral-soft);
  color: var(--coral-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}
.studio-empty .ico svg {
  width: 32px;
  height: 32px;
}
.studio-empty .ttl {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--ink);
  margin-bottom: 12px;
  letter-spacing: -0.005em;
}
.studio-empty .desc {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.85;
  margin-bottom: 26px;
}
.studio-empty .cta {
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ============ Load More ============ */
.studio-load-more {
  display: block;
  margin: 28px auto 8px;
  padding: 14px 36px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--r-pill);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  box-shadow: var(--shadow-s);
  min-height: 48px;
}
.studio-load-more:hover:not(:disabled) {
  background: var(--surface-2);
  border-color: var(--coral);
  transform: translateY(-1px);
}
.studio-load-more:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.studio-load-more .arr {
  display: inline-block;
  margin-left: 8px;
  color: var(--coral-deep);
}

/* ============ Examples (Oshi) ============ */
.examples-section {
  padding: 12px 0 36px;
}
.ex-block {
  margin-bottom: 18px;
}
.ex-label {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--coral-deep);
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ex-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--coral);
}
.ex-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.ex-tag {
  padding: 9px 16px;
  border-radius: var(--r-pill);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 13.5px;
  cursor: pointer;
  border: 1px solid var(--line-2);
  transition: all 0.2s var(--ease);
  font-weight: 500;
  user-select: none;
  -webkit-user-select: none;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}
.ex-tag:hover {
  background: var(--coral-soft);
  border-color: var(--coral);
  color: var(--coral-deep);
  transform: translateY(-1px);
}
.ex-tag.recent {
  background: var(--beige-soft);
  border-color: var(--beige);
}
.ex-tag.recent::before {
  content: '✦ ';
  color: var(--coral);
  font-size: 11px;
  margin-right: 2px;
}

/* ============ MOBILE NATIVE ============ */
@media (max-width: 760px) {
  body {
    font-size: 14.5px;
  }
  .studio-header {
    padding: 11px 0;
  }
  .studio-brand img {
    height: 20px;
  }
  .studio-brand .sub {
    font-size: 12.5px;
  }
  .studio-brand .sep {
    height: 16px;
  }
  .btn-ghost {
    padding: 8px 14px;
    font-size: 12.5px;
    min-height: 36px;
  }
  .btn-ghost .cnt {
    font-size: 10px;
  }
  .sec-head {
    margin-bottom: 22px;
  }
  .sec-head h2 {
    font-size: 22px;
  }
  .meta-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 8px 0;
  }
  .tribute-card {
    padding: 24px 22px 22px;
  }
  .studio-section {
    padding: 20px 18px;
  }
  .studio-card .body {
    padding: 14px 16px 14px;
  }
  .studio-card .reason {
    font-size: 14px;
  }
  .studio-card .items {
    font-size: 11.5px;
    padding-top: 10px;
  }
  .studio-card .actions {
    gap: 5px;
    padding-top: 10px;
  }
  .studio-card .actions button {
    padding: 6px 6px;
    font-size: 10.5px;
    min-height: 30px;
    gap: 4px;
  }
  .studio-card .actions button svg {
    width: 10px;
    height: 10px;
  }
  .tips-card {
    padding: 22px 20px 22px 18px;
    gap: 16px;
  }
  .tips-card h3 {
    font-size: 18px;
  }
  .tips-card .advice {
    font-size: 13.5px;
    line-height: 1.85;
  }
  .studio-load-more {
    padding: 13px 30px;
    font-size: 13.5px;
    min-height: 46px;
  }
  .ex-tag {
    padding: 8px 14px;
    font-size: 13px;
    min-height: 34px;
  }
  .studio-empty {
    padding: 60px 20px;
  }
  .studio-empty .ttl {
    font-size: 19px;
  }
  .studio-empty .desc {
    font-size: 13px;
  }
  .studio-search-bar {
    padding: 5px 5px 5px 18px;
    min-height: 48px;
  }
  .studio-search-bar input {
    padding: 10px 12px;
  }
}

@media (max-width: 420px) {
  body {
    font-size: 14px;
  }
  .studio-header {
    padding: 9px 0;
  }
  .studio-brand img {
    height: 18px;
  }
  .studio-brand .sub {
    font-size: 12px;
    letter-spacing: 0.03em;
  }
  .studio-brand .sep {
    height: 15px;
  }
  .btn-ghost {
    padding: 7px 12px;
    font-size: 12px;
    gap: 5px;
  }
  .btn-ghost svg {
    width: 12px;
    height: 12px;
  }
  .sec-head h2 {
    font-size: 20px;
  }
  .studio-section h3 {
    font-size: 16px;
  }
  .studio-card .body {
    padding: 12px 14px 12px;
  }
  .studio-card .actions {
    flex-direction: row;
    gap: 5px;
  }
  .studio-card .actions button {
    flex: 1;
    width: auto;
    font-size: 10px;
    padding: 5px 4px;
    min-height: 28px;
  }
  .tribute-card {
    padding: 22px 18px 20px;
  }
  .tribute-card .text {
    font-size: 14.5px;
  }
  .studio-load-more {
    padding: 12px 24px;
    font-size: 13px;
  }
  .ex-tag {
    padding: 7px 12px;
    font-size: 12.5px;
  }
}

/* ============ CTA Strip (会員登録誘導 / v10.21) ============ */
.cta-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 28px;
  background: linear-gradient(135deg, var(--ink) 0%, #2a2f3d 100%);
  border-radius: var(--r-card);
  color: #fff;
  margin: 32px 0 40px;
  box-shadow: var(--shadow-m);
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(230, 139, 124, 0.35) 0%, transparent 70%);
  pointer-events: none;
}
.cta-strip .cta-text {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
}
.cta-strip .cta-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 8px;
}
.cta-strip .cta-eyebrow::after {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--coral);
}
.cta-strip .cta-title {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.005em;
  margin-bottom: 6px;
}
.cta-strip .cta-title .ed {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
}
.cta-strip .cta-sub {
  font-family: 'Noto Sans JP', 'Inter', sans-serif;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}
.cta-strip .cta-btn {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--r-pill);
  background: var(--coral);
  color: #fff;
  text-decoration: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: all 0.22s var(--ease);
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(230, 139, 124, 0.35);
  white-space: nowrap;
}
.cta-strip .cta-btn:hover {
  background: var(--coral-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 106, 92, 0.45);
}
.cta-strip .cta-btn svg {
  width: 14px;
  height: 14px;
}
@media (max-width: 640px) {
  .cta-strip {
    flex-direction: column;
    gap: 14px;
    padding: 20px 20px 22px;
    text-align: center;
    margin: 24px 0 32px;
  }
  .cta-strip::before {
    width: 100%;
    height: 40%;
    top: auto;
    bottom: 0;
    background: radial-gradient(circle at bottom, rgba(230, 139, 124, 0.32) 0%, transparent 70%);
  }
  .cta-strip .cta-eyebrow {
    justify-content: center;
  }
  .cta-strip .cta-title {
    font-size: 17px;
  }
  .cta-strip .cta-sub {
    font-size: 12px;
  }
  .cta-strip .cta-btn {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
  }
}

/* ============ Share Button (v10.22) ============ */
.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line-2);
  color: var(--ink-3);
  cursor: pointer;
  transition: all 0.2s var(--ease);
  box-shadow: 0 2px 8px rgba(27, 31, 42, 0.08);
  padding: 0;
  flex-shrink: 0;
}
.share-btn:hover {
  color: var(--ink);
  border-color: var(--ink);
}
.share-btn svg {
  width: 13px;
  height: 13px;
  pointer-events: none;
}
.modal-actions .btn-share {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--ink-2);
}
.modal-actions .btn-share:hover {
  background: var(--beige-soft);
  border-color: var(--beige);
  color: var(--ink);
}

/* Hide v9 artifacts */
.learning-ticker,
.header-ai-status {
  display: none !important;
}