.site-header { position: relative; z-index: 1; background: rgba(253,252,247,.92); border-top: 4px solid var(--c-primary); }
.site-header::before { content: ""; position: absolute; inset: 4px 0 0; pointer-events: none; background: linear-gradient(90deg, transparent, rgba(255,217,102,.13), transparent); }
.hero { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: var(--sp-4); min-height: 224px; padding-block: var(--sp-8); }
.hero__copy { position: relative; z-index: 1; }
.hero__eyebrow { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-2); color: var(--c-text-2); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .14em; }
.hero h1 { font-family: var(--font-display); font-size: clamp(2.25rem,6vw,3.5rem); font-weight: 600; letter-spacing: .05em; }
.hero h1 span { display: block; margin-top: 2px; font-size: .55em; letter-spacing: .18em; color: var(--c-text-2); }
.hero__intro { margin-top: var(--sp-3); max-width: 34em; color: var(--c-text-2); font-size: var(--fs-sm); line-height: 1.75; }
.hero__note { position: relative; width: 132px; padding: var(--sp-5) var(--sp-3) var(--sp-4); text-align: center; background: var(--c-surface); border: 1px solid var(--c-line); box-shadow: var(--sh-1); transform: rotate(2deg); }
.hero__note::before { content: ""; position: absolute; width: 66px; height: 19px; top: -10px; left: 32px; background: rgba(242,223,164,.72); transform: rotate(-4deg); }
.hero__note p { font-size: var(--fs-xs); white-space: nowrap; }
.hero__note strong { display: inline-block; padding-inline: 3px; font-family: var(--font-num); font-size: var(--fs-2xl); line-height: 1.1; color: var(--c-text); }
.hero__note > span { display: block; margin-top: var(--sp-2); font-family: serif; font-size: 9px; letter-spacing: .15em; color: var(--c-text-2); }
.hero__note small { display: block; margin-top: var(--sp-3); padding-top: var(--sp-2); border-top: 1px dashed var(--c-line); color: var(--c-text-2); font-size: 10px; }
.hero__flower { width: 42px; margin: 0 auto var(--sp-2); color: var(--c-primary-strong); }

.series-section { padding-block: var(--sp-8) var(--sp-4); }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); padding-inline: 2px; }
.section-heading h2, .catalog__heading h2 { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 600; letter-spacing: .06em; }
.section-heading > span { color: var(--c-text-2); font-size: var(--fs-xs); }
.rail { position: relative; margin-inline: calc(var(--gutter) * -1); padding-block: var(--sp-3) var(--sp-2); overflow-x: auto; overflow-y: hidden; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; cursor: grab; scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.rail:active { cursor: grabbing; }
.rail__track { display: flex; gap: var(--sp-3); padding-inline: var(--gutter); width: max-content; }
.rail__item { scroll-snap-align: center; flex: 0 0 auto; width: 78px; min-height: 100px; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 6px 4px; border: 0; border-radius: var(--r-card); background: transparent; color: var(--c-text-2); transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.rail__item:hover { transform: translateY(-2px); }
.rail__cover { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; border: 2px solid var(--c-line); background: var(--c-surface); box-shadow: 0 0 0 3px var(--c-bg); transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.rail__cover--all { display: grid; place-items: center; background: var(--c-surface-sunken); color: var(--c-primary-strong); }
.rail__cover--all svg { width: 27px; height: 27px; }
.rail__name { max-width: 78px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--fs-xs); line-height: 1.4; }
.rail__item[aria-pressed="true"] .rail__cover { border-color: var(--c-primary-strong); box-shadow: 0 0 0 3px var(--c-primary-soft); transform: scale(1.04); }
.rail__item[aria-pressed="true"] .rail__name { color: var(--c-text); font-weight: 700; }
.rail__skeleton { width: 100%; height: 102px; opacity: .45; background: var(--c-surface-sunken); }

.filter-section { padding-block: var(--sp-5); background: var(--c-surface-sunken); border-block: 1px solid var(--c-line); }
.section-heading--filter { margin-bottom: var(--sp-3); }
.text-button { min-height: 40px; padding: 0; border: 0; border-bottom: 1px dashed var(--c-primary-strong); background: transparent; color: var(--c-text-2); font-size: var(--fs-xs); }
.text-button:hover { color: var(--c-text); }
.text-button--small { min-height: 28px; }
.filters__bar { display: flex; align-items: center; gap: var(--sp-3); }
.search { position: relative; flex: 1 1 auto; min-width: 0; }
.search > svg { position: absolute; left: 12px; top: 11px; width: 18px; height: 18px; fill: none; stroke: var(--c-text-2); stroke-width: 1.8; pointer-events: none; }
.search__input { width: 100%; height: 40px; padding: 0 var(--sp-3) 0 40px; border: 1px solid var(--c-line-input); border-radius: var(--r-btn); outline: none; background: var(--c-surface); color: var(--c-text); font-size: var(--fs-sm); }
.search__input::placeholder { color: var(--c-text-2); opacity: .85; }
.search__input:focus { border-color: var(--c-primary-strong); box-shadow: var(--sh-focus); }
.filters__toggle { flex: 0 0 auto; height: 40px; padding-inline: var(--sp-4); display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid var(--c-line-input); border-radius: var(--r-btn); background: var(--c-surface); font-size: var(--fs-sm); font-weight: 600; }
.filters__toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.filters__toggle[aria-expanded="true"] { background: var(--c-primary); border-color: var(--c-primary-strong); }
.filter-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding-inline: 5px; border-radius: var(--r-pill); background: var(--c-text); color: var(--c-bg); font-size: 11px; }
.filters__panel { display: none; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--sp-3); margin-top: var(--sp-4); }
.filters__panel[data-expanded="true"] { display: grid; }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field--full { grid-column: 1/-1; }
.field__label { color: var(--c-text-2); font-size: var(--fs-xs); font-weight: 600; letter-spacing: .04em; }
.field__label small { font-weight: 400; }
.field__label-row { display: flex; align-items: center; justify-content: space-between; min-height: 20px; }
.select { appearance: none; -webkit-appearance: none; width: 100%; height: 40px; padding: 0 32px 0 var(--sp-3); border: 1px solid var(--c-line-input); border-radius: var(--r-btn); outline: none; background: var(--c-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234A3F35' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") no-repeat right 10px center; color: var(--c-text); font-size: var(--fs-sm); text-overflow: ellipsis; }
.select:focus { border-color: var(--c-primary-strong); box-shadow: var(--sh-focus); }
.filters-extra { display: none; }
.filters__panel.show-all .filters-extra { display: flex; }
.more-filters { width: 100%; min-height: 44px; margin-top: var(--sp-2); border: 0; background: transparent; color: var(--c-text-2); font-size: var(--fs-xs); }
.more-filters svg { display: inline-block; width: 16px; height: 16px; margin-left: 4px; vertical-align: -3px; fill: none; stroke: currentColor; stroke-width: 1.8; transition: transform var(--dur-1) var(--ease); }
.more-filters[aria-expanded="true"] svg { transform: rotate(180deg); }
.material-chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); max-height: 40px; overflow: hidden; }
.material-chips.is-expanded { max-height: 80px; }
.material-chip { min-height: 36px; padding: 6px 12px; border: 1px solid var(--c-line-input); border-radius: var(--r-pill); background: var(--c-surface); color: var(--c-text-2); font-size: var(--fs-xs); transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.material-chip:hover { transform: translateY(-1px); }
.material-chip[aria-pressed="true"] { border-color: var(--c-primary-strong); background: var(--c-primary-soft); color: var(--c-text); font-weight: 600; }
.field--size { grid-column: 1/-1; }
.size-switch { min-height: 44px; display: inline-flex; align-items: center; gap: var(--sp-2); color: var(--c-text-2); font-size: var(--fs-sm); }
.size-switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.size-switch__track { width: 40px; height: 24px; padding: 3px; border: 1px solid var(--c-line-input); border-radius: var(--r-pill); background: var(--c-surface); }
.size-switch__track span { display: block; width: 16px; height: 16px; border-radius: 50%; background: var(--c-text-3); transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.size-switch input:checked + .size-switch__track { background: var(--c-primary); border-color: var(--c-primary-strong); }
.size-switch input:checked + .size-switch__track span { background: var(--c-text); transform: translateX(16px); }
.size-switch input:focus-visible + .size-switch__track { outline: 2px solid var(--c-text); outline-offset: 3px; box-shadow: var(--sh-focus); }

.catalog { padding-block: var(--sp-8) var(--sp-16); min-height: 420px; }
.catalog__heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-3); margin-bottom: var(--sp-4); }
.catalog__heading p { color: var(--c-text-2); font-size: var(--fs-xs); }
.goods-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--sp-3); }
.card { position: relative; display: block; width: 100%; min-width: 0; padding: 0; overflow: hidden; text-align: left; border: 1px solid var(--c-line); border-radius: var(--r-card); background: var(--c-surface); box-shadow: var(--sh-1); transition: transform var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease); }
.card:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.card:active { transform: translateY(-1px) scale(.99); }
.card__media { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--c-surface-sunken); }
.card__img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease); }
.card:hover .card__img { transform: scale(1.03); }
.card__body { padding: var(--sp-3); border-top: 1px dashed var(--c-line); }
.card__title { display: -webkit-box; min-height: 2.8em; margin-bottom: var(--sp-2); overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; font-size: var(--fs-sm); font-weight: 700; line-height: 1.4; }
.card__meta { display: flex; flex-wrap: wrap; gap: 4px 8px; color: var(--c-text-2); font-size: var(--fs-xs); }
.card__meta span + span::before { content: "·"; margin-right: 8px; color: var(--c-text-3); }
.card__platform { margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--c-text-2); font-size: 11px; }
.badge { position: absolute; top: var(--sp-2); left: var(--sp-2); z-index: 2; display: inline-flex; align-items: center; gap: 4px; height: 24px; padding: 0 8px; border: 1px solid currentColor; border-radius: var(--r-tag); font-size: var(--fs-xs); font-weight: 700; line-height: 1; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge--onsale { background: var(--c-on-bg); color: var(--c-on-fg); border-color: var(--c-on-bd); }
.badge--preorder { background: var(--c-pre-bg); color: var(--c-pre-fg); border-color: var(--c-pre-bd); }
.badge--soldout { background: var(--c-out-bg); color: var(--c-out-fg); border-color: var(--c-out-bd); }
.is-fallback { object-fit: contain !important; background: var(--c-primary-soft); }
.state-panel { grid-column: 1/-1; padding: var(--sp-12) var(--sp-4); text-align: center; border: 1px dashed var(--c-line-input); border-radius: var(--r-card); background: rgba(253,252,247,.82); }
.state-panel__face { margin-bottom: var(--sp-3); font-family: var(--font-display); font-size: var(--fs-2xl); color: var(--c-primary-strong); }
.state-panel h3 { margin-bottom: var(--sp-2); font-size: var(--fs-md); }
.state-panel p:not(.state-panel__face) { color: var(--c-text-2); font-size: var(--fs-sm); }
.btn { min-height: 44px; margin-top: var(--sp-4); padding: 0 var(--sp-4); display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--c-primary-strong); border-radius: var(--r-btn); background: var(--c-primary); color: var(--c-text); font-weight: 600; transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.loading-flower { display: block; width: 34px; height: 34px; margin: 0 auto var(--sp-3); border: 3px dotted var(--c-primary-strong); border-radius: 50%; animation: turn 1.8s linear infinite; }
@keyframes turn { to { transform: rotate(360deg); } }

.site-footer { border-top: 1px solid var(--c-line); background: var(--c-surface-sunken); }
.footer__inner { padding-block: var(--sp-8); text-align: center; color: var(--c-text-2); font-size: var(--fs-xs); }
.footer__inner > div { display: flex; align-items: center; justify-content: center; gap: var(--sp-2); margin-bottom: var(--sp-2); color: var(--c-text); }
.footer__mark { color: var(--c-primary-strong); font-size: var(--fs-xl); }
.footer__sample { margin-top: var(--sp-1); opacity: .85; }
.fab { position: fixed; right: max(var(--sp-4),env(safe-area-inset-right)); bottom: max(var(--sp-4),env(safe-area-inset-bottom)); z-index: var(--z-fab); width: 44px; height: 44px; display: grid; place-items: center; border: 1px solid var(--c-primary-strong); border-radius: 50%; background: var(--c-primary); box-shadow: var(--sh-2); opacity: 0; transform: translateY(8px); pointer-events: none; transition: transform var(--dur-2) var(--ease), opacity var(--dur-2) var(--ease); }
.fab--up { bottom: calc(max(var(--sp-4), env(safe-area-inset-bottom)) + 56px); }
.fab.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.fab svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }

.lightbox-overlay { position: fixed; inset: 0; z-index: var(--z-modal); display: flex; align-items: flex-end; justify-content: center; padding: 0; background: rgba(74,63,53,.7); backdrop-filter: blur(4px); opacity: 0; transition: opacity var(--dur-2) var(--ease); }
.lightbox-overlay.is-open { opacity: 1; }
.lightbox { position: relative; width: 100%; max-height: 92dvh; padding: var(--sp-5); overflow-y: auto; overscroll-behavior: contain; border: 0; border-top: 4px solid var(--c-primary); border-radius: var(--r-sheet) var(--r-sheet) 0 0; outline: none; background-color: var(--c-bg); background-image: linear-gradient(var(--c-grid) 1px,transparent 1px),linear-gradient(90deg,var(--c-grid) 1px,transparent 1px); background-size: 24px 24px; box-shadow: var(--sh-3); transform: translateY(100%); transition: transform var(--dur-2) var(--ease); }
.lightbox-overlay.is-open .lightbox { transform: translateY(0); }
.modal-close { position: sticky; top: 0; z-index: 2; float: right; width: 44px; height: 44px; margin: -8px -8px var(--sp-2) var(--sp-2); display: grid; place-items: center; border: 1px solid var(--c-line); border-radius: 50%; background: var(--c-surface); box-shadow: var(--sh-1); transition: transform var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease); }
.modal-close:hover { transform: rotate(5deg); }
.modal-close svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.lightbox__img { width: 100%; max-height: 48dvh; object-fit: contain; border: 1px solid var(--c-line); border-radius: var(--r-media); background: var(--c-surface); }
.lightbox__body { padding-top: var(--sp-5); }
.lightbox__series { margin-bottom: var(--sp-1); color: var(--c-text-2); font-size: var(--fs-xs); letter-spacing: .08em; }
.lightbox__title { padding-right: 44px; font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 600; }
.lightbox__status { display: inline-flex; margin-top: var(--sp-3); }
.detail-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 var(--sp-4); margin: var(--sp-5) 0 0; border-top: 1px dashed var(--c-line-input); }
.detail-list__row { display: grid; grid-template-columns: 76px minmax(0,1fr); gap: var(--sp-2); padding-block: var(--sp-3); border-bottom: 1px dashed var(--c-line); font-size: var(--fs-sm); }
.detail-list__row--full { grid-column: 1/-1; }
.detail-list dt { color: var(--c-text-2); }
.detail-list dd { margin: 0; overflow-wrap: anywhere; }

@media (min-width: 560px) {
  .hero { min-height: 250px; gap: var(--sp-8); }
  .hero__note { width: 180px; padding: var(--sp-6) var(--sp-4); }
  .hero__note::before { left: 56px; }
  .hero__note p { font-size: var(--fs-sm); }
  .hero__note strong { font-size: var(--fs-3xl); }
  .hero__flower { width: 52px; }
  .filters__panel[data-expanded="true"] { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .goods-grid { gap: var(--sp-4); }
  .card__body { padding: var(--sp-3) var(--sp-4); }
}
@media (min-width: 768px) {
  .hero { min-height: 270px; padding-block: var(--sp-10); }
  .hero h1 span { display: inline; margin-left: var(--sp-4); font-size: .6em; }
  .hero__intro br { display: none; }
  .rail__item { width: 94px; min-height: 116px; }
  .rail__cover { width: 74px; height: 74px; }
  .rail__name { max-width: 94px; font-size: var(--fs-sm); }
  .rail { scrollbar-width: thin; }
  .rail::-webkit-scrollbar { display: block; height: 6px; }
  .rail::-webkit-scrollbar-thumb { background: rgba(0,0,0,.15); border-radius: 3px; }
  .filter-section { padding-block: var(--sp-6); }
  .filters__toggle { display: none; }
  .filters__bar { display: block; }
  .search { width: min(100%,360px); }
  .filters__panel, .filters__panel[data-expanded="true"] { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); margin-top: var(--sp-4); }
  .filters-extra, .filters__panel.show-all .filters-extra { display: flex; }
  .more-filters { display: none !important; }
  .field--full { grid-column: 1/-1; }
  .field--size { grid-column: 1/-1; }
  .goods-grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--sp-5); }
  .card__title { font-size: var(--fs-base); }
  .lightbox-overlay { align-items: center; padding: var(--sp-6); }
  .lightbox { width: 720px; max-height: 90dvh; padding: var(--sp-6); border-radius: var(--r-card); transform: scale(.96); }
  .lightbox-overlay.is-open .lightbox { transform: scale(1); }
  .lightbox__img { max-height: 46dvh; }
  .detail-list { column-gap: var(--sp-6); }
}
@media (min-width: 1024px) {
  .goods-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .filter-section .section-heading--filter { margin-bottom: var(--sp-4); }
}
@media (min-width: 1240px) { .goods-grid { grid-template-columns: repeat(5,minmax(0,1fr)); } }