/* ============================================================
   Sunvexy — base stylesheet
   Niche: 日差し・UV対策の服飾雑貨 (sun / UV-care accessories)
   Fonts: system JP stack (body) + Zen Kaku Gothic New 700 (headings, self-hosted subset)
   Palette: coastal cool off-white #eef2f4 / deep slate #16262c / deep teal #0f6e78
   CSS naming: block prefix sv-, states is-on / is-shown / is-sel
   ============================================================ */

/* Heading font — Zen Kaku Gothic New Bold (SIL OFL 1.1), subset to heading
   characters. Characters outside the subset fall back to the system stack. */
@font-face {
  font-family: 'Zen Kaku Gothic New';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/zen-kaku-gothic-new-700-subset.woff2') format('woff2');
}

:root {
  --bg: #eef2f4;
  --bg-alt: #e2e9ec;
  --surface: #ffffff;
  --text: #16262c;
  --text-muted: #4e6269;
  --text-light: #52666d;
  --border: #d5dee1;
  --border-light: #e6ecee;
  --accent: #0f6e78;
  --accent-deep: #0b545c;
  --accent-darker: #083d44;
  --accent-soft: #d9ebed;
  --coral: #d9775b;
  --ok: #2b6e4f;
  --star: #d99a2e;
  --dark: #12303a;

  --space-xs: .5rem;
  --space-sm: .875rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;

  --shadow-sm: 0 2px 8px rgba(18, 38, 44, .06);
  --shadow-md: 0 10px 26px rgba(18, 38, 44, .11);
  --shadow-lg: 0 20px 50px rgba(18, 38, 44, .16);

  --nav-h: 66px;
  --wrap: 1200px;
  --wrap-narrow: 760px;

  --t-fast: .15s ease;
  --t-base: .26s ease;
  --t-slow: .44s cubic-bezier(.22, 1, .36, 1);

  --font: -apple-system, BlinkMacSystemFont, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', 'Yu Gothic', Meiryo, 'Noto Sans JP', sans-serif;
  --font-head: 'Zen Kaku Gothic New', var(--font);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0; font-family: var(--font); font-weight: 400; color: var(--text);
  background: var(--bg); line-height: 1.75; letter-spacing: .01em; overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; line-height: 1.34; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.sv-wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--space-md); }
.sv-wrap--narrow { max-width: var(--wrap-narrow); }
.sv-sec { padding: var(--space-xl) 0; }
.sv-sec--alt { background: var(--bg-alt); }
.sv-vh { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.sv-eyebrow { display: inline-block; font-size: .74rem; letter-spacing: .24em; text-transform: uppercase; color: var(--accent-deep); font-weight: 700; margin-bottom: var(--space-sm); }
.sv-head { text-align: center; margin-bottom: var(--space-lg); }
.sv-head__title { font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: .02em; margin-bottom: var(--space-sm); }
.sv-head__lead { color: var(--text-muted); max-width: 46ch; margin: 0 auto; }

/* ---------- Buttons ---------- */
.sv-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: 0 1.7rem; border-radius: var(--r-sm);
  font-weight: 700; font-size: .95rem; letter-spacing: .04em;
  transition: transform var(--t-fast), background var(--t-base), color var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.sv-btn:active { transform: translateY(1px); }
.sv-btn--fill { background: var(--accent); color: #fff; }
.sv-btn--fill:hover { background: var(--accent-darker); box-shadow: var(--shadow-md); }
.sv-btn--dark { background: var(--dark); color: #fff; }
.sv-btn--dark:hover { background: #0c2228; box-shadow: var(--shadow-md); }
.sv-btn--line { border: 1.6px solid var(--text); color: var(--text); }
.sv-btn--line:hover { background: var(--text); color: var(--bg); }
.sv-btn--light { border: 1.6px solid rgba(255,255,255,.75); color: #fff; }
.sv-btn--light:hover { background: #fff; color: var(--text); }
.sv-btn--block { width: 100%; }
.sv-btn--sm { min-height: 40px; padding: 0 1.2rem; font-size: .85rem; }

/* ---------- Top utility bar ---------- */
.sv-top { background: var(--accent); color: #fff; text-align: center; font-size: .8rem; letter-spacing: .03em; padding: .5rem var(--space-md); }
.sv-top strong { font-weight: 700; }
.sv-top code { font-family: inherit; background: rgba(0,0,0,.22); padding: .05rem .45rem; border-radius: var(--r-sm); font-weight: 700; letter-spacing: .08em; }
.sv-news__hint code, .sv-sum-note code { font-family: inherit; background: var(--accent-soft); color: var(--accent-deep); padding: .05rem .4rem; border-radius: var(--r-sm); font-weight: 700; letter-spacing: .06em; }

.sv-skip { position: absolute; left: -999px; top: 0; z-index: 500; background: var(--text); color: #fff; padding: .6rem 1rem; border-radius: 0 0 var(--r-sm) 0; }
.sv-skip:focus { left: 0; }

/* ---------- Header (two-row: logo / nav / search+tools) ---------- */
.sv-header { position: sticky; top: 0; z-index: 100; background: rgba(238,242,244,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color var(--t-base), background var(--t-base); }
.sv-header.is-scrolled { border-bottom-color: var(--border); background: rgba(238,242,244,.97); }
.sv-nav { height: var(--nav-h); display: flex; align-items: center; gap: var(--space-md); }
.sv-nav__logo { display: inline-flex; align-items: center; }
.sv-nav__logo img { height: 30px; width: auto; }
.sv-nav__menu { display: flex; align-items: center; gap: 1.6rem; margin-left: var(--space-lg); }
.sv-nav__link { font-size: .94rem; font-weight: 500; position: relative; padding: .3rem 0; color: var(--text); transition: color var(--t-fast); }
.sv-nav__link::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -3px; height: 2px; background: var(--accent); transition: right var(--t-base); }
.sv-nav__link:hover { color: var(--accent-deep); }
.sv-nav__link:hover::after, .sv-nav__link.is-on::after { right: 0; }
.sv-nav__link.is-on { color: var(--accent-deep); }
.sv-nav__tools { display: flex; align-items: center; gap: .5rem; margin-left: auto; }

.sv-search { display: flex; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 0 .3rem 0 .7rem; height: 42px; transition: border-color var(--t-fast); }
.sv-search:focus-within { border-color: var(--accent); }
.sv-search input { border: none; background: none; font-family: inherit; font-size: .88rem; color: var(--text); width: 150px; height: 100%; }
.sv-search input:focus { outline: none; }
.sv-search button { width: 34px; height: 34px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center; color: var(--accent-deep); font-size: 1rem; }
.sv-search button:hover { background: var(--accent-soft); }

.sv-ic-btn { position: relative; width: 44px; height: 44px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center; font-size: 1.12rem; color: var(--text); transition: background var(--t-fast); }
.sv-ic-btn:hover { background: var(--bg-alt); }
.sv-badge { position: absolute; top: 3px; right: 1px; min-width: 18px; height: 18px; padding: 0 4px; background: var(--accent); color: #fff; border-radius: 999px; font-size: .66rem; font-weight: 700; line-height: 18px; text-align: center; transform: scale(0); transition: transform var(--t-base); }
.sv-badge.is-shown { transform: scale(1); }
.sv-saved-badge { background: var(--coral); }
.sv-burger { display: none; }

/* ---------- Mobile menu (bottom sheet) ---------- */
.sv-sheet { position: fixed; inset: 0; z-index: 200; visibility: hidden; }
.sv-sheet.is-on { visibility: visible; }
.sv-sheet__scrim { position: absolute; inset: 0; background: rgba(18,38,44,.5); opacity: 0; transition: opacity var(--t-base); }
.sv-sheet.is-on .sv-sheet__scrim { opacity: 1; }
.sv-sheet__panel { position: absolute; inset: 0; background: var(--bg); padding: var(--space-lg) var(--space-md) calc(var(--space-md) + env(safe-area-inset-bottom)); display: flex; flex-direction: column; opacity: 0; transform: scale(.98); transition: opacity var(--t-base), transform var(--t-base); overflow-y: auto; }
.sv-sheet.is-on .sv-sheet__panel { opacity: 1; transform: none; }
.sv-sheet__grab { display: none; }
.sv-sheet__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-sm); }
.sv-sheet__close { width: 44px; height: 44px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center; font-size: 1.2rem; color: var(--text); }
.sv-sheet nav { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); margin-top: var(--space-sm); }
.sv-sheet__link { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; min-height: 96px; font-size: 1.05rem; font-weight: 700; padding: 1rem .6rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); color: var(--text); transition: border-color var(--t-fast), background var(--t-fast); }
.sv-sheet__link:hover { border-color: var(--accent); background: var(--accent-soft); }
.sv-sheet__link .sv-ico { display: none; }
.sv-sheet__foot { padding-top: var(--space-md); color: var(--text-muted); font-size: .85rem; }

/* ---------- Hero (banner strip with overlay card) ---------- */
.sv-hero { position: relative; }
.sv-hero__media { position: relative; height: clamp(360px, 52vw, 500px); }
.sv-hero__media img { width: 100%; height: 100%; object-fit: cover; }
.sv-hero__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,30,36,.74) 0%, rgba(10,30,36,.5) 42%, rgba(10,30,36,.1) 78%, transparent 100%); }
.sv-hero__inner { position: absolute; inset: 0; display: flex; align-items: center; }
.sv-hero__card { color: #fff; max-width: 540px; }
.sv-hero__eyebrow { display: inline-block; font-size: .74rem; letter-spacing: .24em; text-transform: uppercase; color: #cfe6e9; font-weight: 700; margin-bottom: var(--space-sm); }
.sv-hero__title { font-size: clamp(2rem, 5vw, 3.1rem); line-height: 1.26; margin-bottom: var(--space-md); }
.sv-hero__title span { color: #a7dadf; }
.sv-hero__sub { font-size: 1.04rem; color: rgba(255,255,255,.9); margin-bottom: var(--space-lg); max-width: 42ch; }
.sv-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.sv-hero__chip { display: inline-flex; align-items: center; gap: .5rem; margin-top: var(--space-md); background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.28); color: #fff; font-size: .82rem; font-weight: 700; padding: .4rem .85rem; border-radius: 999px; }
.sv-hero__chip .sv-ico { color: #ffd9a0; }

/* ---------- Benefits strip ---------- */
.sv-strip { background: var(--dark); color: #fff; padding: var(--space-sm) 0; }
.sv-strip__row { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-md) var(--space-lg); }
.sv-strip__item { display: inline-flex; align-items: center; gap: .55rem; font-size: .88rem; letter-spacing: .03em; }
.sv-strip__item .sv-ico { color: #a7dadf; }

/* ---------- Product grid ---------- */
.sv-grid { display: grid; gap: var(--space-md); grid-template-columns: repeat(4, 1fr); }
.sv-prod { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; display: flex; flex-direction: column; transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base); }
.sv-prod:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border); }
.sv-prod__media { position: relative; aspect-ratio: 4 / 5; overflow: hidden; cursor: pointer; }
.sv-prod__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.sv-prod:hover .sv-prod__media img { transform: scale(1.05); }
.sv-prod__media::after { content: ''; position: absolute; right: 12px; bottom: 12px; width: 34px; height: 34px; border-radius: var(--r-sm); background: rgba(255,255,255,.94) var(--sv-zoom) center / 15px no-repeat; opacity: 0; transform: translateY(6px); transition: opacity var(--t-base), transform var(--t-base); pointer-events: none; }
.sv-prod:hover .sv-prod__media::after { opacity: 1; transform: translateY(0); }
.sv-prod__tag { position: absolute; top: 12px; left: 12px; z-index: 1; background: var(--accent); color: #fff; font-size: .7rem; font-weight: 700; padding: .3rem .65rem; border-radius: var(--r-sm); letter-spacing: .05em; }
.sv-prod__tag--rank { background: var(--coral); }
.sv-save { position: absolute; top: 10px; right: 10px; z-index: 2; width: 40px; height: 40px; border-radius: var(--r-sm); display: inline-flex; align-items: center; justify-content: center; font-size: 1.02rem; color: var(--text-muted); background: var(--surface); border: 1px solid var(--border); transition: all var(--t-fast); }
.sv-save:hover { color: var(--coral); border-color: var(--coral); }
.sv-save.is-on { color: #fff; background: var(--coral); border-color: var(--coral); }
.sv-prod__body { padding: var(--space-md); display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.sv-prod__cat { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-light); }
.sv-prod__name { font-size: 1.04rem; }
.sv-prod__desc { font-size: .82rem; color: var(--text-muted); line-height: 1.65; flex: 1; }
.sv-prod__price { font-size: 1.3rem; font-weight: 700; margin-top: .3rem; }
.sv-prod__price small { font-size: .7rem; color: var(--text-muted); font-weight: 400; white-space: nowrap; }
.sv-prod__foot { margin-top: var(--space-sm); display: flex; flex-direction: column; gap: .5rem; }
.sv-prod__link { font-size: .8rem; color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; text-align: center; }

/* ---------- Category tiles ---------- */
.sv-tiles { display: grid; gap: var(--space-md); grid-template-columns: repeat(4, 1fr); }
.sv-tile { position: relative; border-radius: var(--r-md); overflow: hidden; display: flex; align-items: flex-end; color: #fff; aspect-ratio: 3 / 4; }
.sv-tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow); }
.sv-tile::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(12,32,38,.82) 0%, rgba(12,32,38,.1) 58%, transparent 100%); }
.sv-tile:hover img { transform: scale(1.06); }
.sv-tile__body { position: relative; z-index: 1; padding: var(--space-md); }
.sv-tile__en { font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; opacity: .9; }
.sv-tile__jp { font-size: 1.18rem; font-weight: 700; }

/* ---------- Features ---------- */
.sv-feat { display: grid; gap: var(--space-md); grid-template-columns: repeat(4, 1fr); }
.sv-feat__card { background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--r-md); padding: var(--space-lg) var(--space-md); text-align: center; transition: transform var(--t-base), box-shadow var(--t-base); }
.sv-feat__card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.sv-feat__icon { width: 58px; height: 58px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-deep); display: inline-flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: var(--space-sm); }
.sv-feat__card h3 { font-size: 1.08rem; margin-bottom: .4rem; }
.sv-feat__card p { font-size: .86rem; color: var(--text-muted); }

/* ---------- CTA banner ---------- */
.sv-cta { background: linear-gradient(135deg, #0f2a32 0%, #124049 55%, #15555f 100%); color: #fff; border-radius: var(--r-lg); padding: var(--space-xl); text-align: center; }
.sv-cta h2 { font-size: clamp(1.6rem, 4vw, 2.3rem); margin-bottom: var(--space-sm); }
.sv-cta p { color: rgba(255,255,255,.85); max-width: 48ch; margin: 0 auto var(--space-lg); }

/* ---------- Reviews ---------- */
.sv-reviews { display: grid; gap: var(--space-md); grid-template-columns: repeat(3, 1fr); }
.sv-review { background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--r-md); padding: var(--space-md); }
.sv-review__stars { color: var(--star); margin-bottom: .5rem; font-size: .92rem; letter-spacing: .1em; }
.sv-review__text { font-size: .9rem; margin-bottom: var(--space-sm); line-height: 1.7; }
.sv-review__meta { font-size: .78rem; color: var(--text-muted); }
.sv-review__meta strong { color: var(--text); }
.sv-review__note { font-size: .72rem; color: var(--text-light); margin-top: .5rem; }

/* ---------- Page hero (inner) ---------- */
.sv-phero { padding: var(--space-xl) 0 var(--space-lg); background: var(--bg-alt); text-align: center; }
.sv-phero h1 { font-size: clamp(1.9rem, 4.4vw, 2.7rem); margin-bottom: var(--space-sm); }
.sv-phero p { color: var(--text-muted); max-width: 52ch; margin: 0 auto; }
.sv-crumbs { font-size: .8rem; color: var(--text-muted); margin-bottom: var(--space-sm); }
.sv-crumbs a { color: var(--accent-deep); }
.sv-crumbs a:hover { text-decoration: underline; }

/* ---------- Product detail ---------- */
.sv-pd { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start; }
.sv-pd__gallery img { width: 100%; border-radius: var(--r-md); box-shadow: var(--shadow-sm); }
.sv-pd__cat { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-light); }
.sv-pd__name { font-size: clamp(1.6rem, 3.4vw, 2rem); margin: .3rem 0 var(--space-sm); }
.sv-pd__price { font-size: 1.6rem; font-weight: 700; margin-bottom: var(--space-md); }
.sv-pd__price small { font-size: .8rem; color: var(--text-muted); font-weight: 400; }
.sv-pd__desc { color: var(--text-muted); margin-bottom: var(--space-md); }
.sv-spec { border-top: 1px solid var(--border); padding-top: var(--space-md); margin-bottom: var(--space-md); }
.sv-spec dt { font-size: .76rem; letter-spacing: .1em; color: var(--text-light); text-transform: uppercase; }
.sv-spec dd { margin: .2rem 0 var(--space-sm); font-size: .92rem; }
.sv-care { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.sv-care span { display: inline-flex; align-items: center; gap: .4rem; font-size: .82rem; color: var(--text-muted); background: var(--bg-alt); padding: .35rem .7rem; border-radius: var(--r-sm); }
.sv-care .sv-ico { color: var(--accent-deep); }
.sv-swatches { display: flex; gap: .6rem; }
.sv-swatch { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--border); cursor: pointer; }
.sv-swatch.is-sel { border-color: var(--text); }
.sv-sizes { display: flex; flex-wrap: wrap; gap: .5rem; }
.sv-size { min-width: 48px; min-height: 48px; border: 1.6px solid var(--border); border-radius: var(--r-sm); font-weight: 700; color: var(--text); transition: all var(--t-fast); }
.sv-size:hover { border-color: var(--text); }
.sv-size.is-sel { background: var(--text); color: var(--bg); border-color: var(--text); }
.sv-field-label { display: block; font-size: .78rem; letter-spacing: .1em; color: var(--text-light); text-transform: uppercase; margin-bottom: .4rem; }
.sv-sizetable { width: 100%; border-collapse: collapse; font-size: .9rem; margin-bottom: var(--space-sm); }
.sv-sizetable th, .sv-sizetable td { border: 1px solid var(--border); padding: .6rem; text-align: center; }
.sv-sizetable th { background: var(--bg-alt); font-weight: 700; }
.sv-sizetable tbody tr:hover { background: var(--accent-soft); }

/* ---------- Quantity stepper ---------- */
.sv-qty { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: var(--r-sm); overflow: hidden; }
.sv-qty button { width: 36px; height: 40px; font-size: 1.05rem; color: var(--text); display: inline-flex; align-items: center; justify-content: center; transition: background var(--t-fast); }
.sv-qty button:hover { background: var(--bg-alt); }
.sv-qty input { width: 44px; height: 40px; text-align: center; border: none; border-left: 1px solid var(--border); border-right: 1px solid var(--border); font-family: inherit; font-size: .9rem; color: var(--text); background: transparent; }
.sv-qtywrap { display: flex; flex-direction: column; gap: .3rem; margin: var(--space-md) 0; }

.sv-stock { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 700; }
.sv-stock::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.sv-stock--in { color: var(--ok); }
.sv-stock--low { color: var(--accent-deep); }
.sv-stock--low::before { background: var(--coral); }

/* ---------- Accordion ---------- */
.sv-acc { border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; background: var(--surface); }
.sv-acc + .sv-acc { margin-top: var(--space-sm); }
.sv-acc__head { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); padding: var(--space-md); font-weight: 700; font-size: 1rem; text-align: left; color: var(--text); font-family: var(--font-head); }
.sv-acc__head .sv-ico { color: var(--accent); transition: transform var(--t-base); flex: 0 0 auto; }
.sv-acc.is-on .sv-acc__head .sv-ico { transform: rotate(180deg); }
.sv-acc__body { max-height: 0; overflow: hidden; transition: max-height var(--t-slow); }
.sv-acc__inner { padding: 0 var(--space-md) var(--space-md); color: var(--text-muted); }
.sv-acc__inner a { color: var(--accent-deep); text-decoration: underline; }

/* ---------- Info blocks (returns) ---------- */
.sv-info { display: grid; gap: var(--space-md); grid-template-columns: repeat(2, 1fr); }
.sv-info__card { background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--r-md); padding: var(--space-lg); }
.sv-info__card h3 { font-size: 1.12rem; margin-bottom: var(--space-sm); display: flex; align-items: center; gap: .6rem; }
.sv-info__card h3 .sv-ico { color: var(--accent); }
.sv-info__card ul li { padding-left: 1.5rem; position: relative; margin-bottom: .5rem; color: var(--text-muted); font-size: .92rem; }
.sv-info__card ul li::before { content: ''; position: absolute; left: 0; top: .45rem; width: .8rem; height: .8rem; background: var(--accent); -webkit-mask: var(--sv-check) center / contain no-repeat; mask: var(--sv-check) center / contain no-repeat; }
.sv-info__card ul.sv-neg li::before { background: var(--text-light); -webkit-mask-image: var(--sv-xmark); mask-image: var(--sv-xmark); }

.sv-steps { display: grid; gap: var(--space-md); }
.sv-step { display: flex; gap: var(--space-md); align-items: flex-start; }
.sv-step__n { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.sv-step__b h3 { font-size: 1rem; margin-bottom: .2rem; }
.sv-step__b p { font-size: .9rem; color: var(--text-muted); }

/* ---------- 特商法 / data table ---------- */
.sv-law { width: 100%; border-collapse: collapse; background: var(--surface); font-size: .92rem; }
.sv-law th, .sv-law td { border: 1px solid var(--border); padding: var(--space-sm) var(--space-md); text-align: left; vertical-align: top; }
.sv-law th { background: var(--bg-alt); width: 32%; font-weight: 700; white-space: nowrap; }
.sv-law td small { color: var(--text-muted); }

/* ---------- Legal prose ---------- */
.sv-prose { max-width: var(--wrap-narrow); margin: 0 auto; }
.sv-prose h2 { font-size: 1.3rem; margin: var(--space-lg) 0 var(--space-sm); }
.sv-prose h3 { font-size: 1.05rem; margin: var(--space-md) 0 .4rem; }
.sv-prose p, .sv-prose li { color: var(--text-muted); margin-bottom: .7rem; }
.sv-prose ul { list-style: disc; padding-left: 1.3rem; }
.sv-prose a { color: var(--accent-deep); text-decoration: underline; }
.sv-updated { color: var(--text-muted); font-size: .85rem; }

/* ---------- Contact ---------- */
.sv-contact { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-xl); align-items: start; }
.sv-field { margin-bottom: var(--space-md); }
.sv-field label { display: block; font-size: .88rem; font-weight: 700; margin-bottom: .4rem; }
.sv-field label .sv-req { color: var(--accent-deep); }
.sv-field input, .sv-field select, .sv-field textarea { width: 100%; padding: .8rem 1rem; border: 1.6px solid var(--border); border-radius: var(--r-sm); font-family: inherit; font-size: .95rem; color: var(--text); background: var(--surface); transition: border-color var(--t-fast); }
.sv-field input:focus, .sv-field select:focus, .sv-field textarea:focus { outline: none; border-color: var(--accent); }
.sv-field textarea { resize: vertical; min-height: 130px; }
.sv-field .sv-err { color: #b23b2e; font-size: .8rem; margin-top: .35rem; display: none; }
.sv-field.is-bad input, .sv-field.is-bad select, .sv-field.is-bad textarea { border-color: #b23b2e; }
.sv-field.is-bad .sv-err { display: block; }
.sv-check { display: flex; align-items: flex-start; gap: .6rem; font-size: .88rem; color: var(--text-muted); }
.sv-check input { width: auto; margin-top: .3rem; }
.sv-check a { color: var(--accent-deep); text-decoration: underline; }
.sv-cinfo { background: var(--bg-alt); border-radius: var(--r-md); padding: var(--space-lg); }
.sv-cinfo__item { display: flex; gap: var(--space-sm); margin-bottom: var(--space-md); }
.sv-cinfo__item .sv-ico { color: var(--accent); font-size: 1.1rem; width: 24px; flex: 0 0 auto; }
.sv-cinfo__item span { font-size: .92rem; }
.sv-map { border-radius: var(--r-md); overflow: hidden; margin-top: var(--space-md); border: 1px solid var(--border); }
.sv-map iframe { display: block; width: 100%; height: 280px; border: 0; }
.sv-map__facade { width: 100%; height: 280px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .45rem; background: var(--accent-soft); color: var(--accent-deep); border: 0; cursor: pointer; font-weight: 700; font-size: 1rem; text-align: center; padding: 1rem; transition: background var(--t-fast); }
.sv-map__facade:hover { background: #cde3e5; }
.sv-map__facade .sv-ico { width: 30px; height: 30px; background-color: var(--accent); }
.sv-map__facade-addr { font-size: .8rem; font-weight: 400; color: var(--text-muted); }

/* ---------- Thanks ---------- */
.sv-thanks { text-align: center; padding: var(--space-xxl) 0; }
.sv-thanks__icon { width: 90px; height: 90px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-deep); display: inline-flex; align-items: center; justify-content: center; font-size: 2.4rem; margin-bottom: var(--space-md); animation: svPop .5s; }
@keyframes svPop { from { transform: scale(0); } to { transform: scale(1); } }
.sv-order { max-width: 540px; margin: var(--space-lg) auto 0; text-align: left; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: var(--space-lg); }
.sv-order h3 { margin-bottom: var(--space-sm); }
.sv-order__line { display: flex; justify-content: space-between; gap: .5rem; padding: .5rem 0; border-bottom: 1px solid var(--border-light); font-size: .9rem; }
.sv-order__total { display: flex; justify-content: space-between; padding-top: var(--space-sm); font-weight: 700; font-size: 1.05rem; }
.sv-order__hint { font-size: .86rem; color: var(--accent-deep); background: var(--accent-soft); padding: .6rem .8rem; border-radius: var(--r-sm); margin-top: var(--space-sm); }

/* ---------- Filter bar ---------- */
.sv-filter { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-bottom: var(--space-lg); }
.sv-filter__btn { padding: .5rem 1.1rem; border: 1.6px solid var(--border); border-radius: 999px; font-size: .86rem; font-weight: 500; color: var(--text-muted); background: var(--surface); transition: all var(--t-fast); }
.sv-filter__btn:hover { border-color: var(--text); color: var(--text); }
.sv-filter__btn.is-sel { background: var(--text); color: var(--bg); border-color: var(--text); }
.sv-prod.is-hide, [data-filterable].is-hide { display: none; }

/* ---------- Product detail block (items page) ---------- */
.sv-pd-block { padding-bottom: var(--space-xl); margin-bottom: var(--space-xl); border-bottom: 1px solid var(--border); scroll-margin-top: calc(var(--nav-h) + 1rem); }
.sv-pd-block:last-child { border-bottom: none; margin-bottom: 0; }
.sv-pd-block h3 { font-size: 1rem; margin: var(--space-md) 0 .5rem; }
.sv-pd__reviews { margin-top: var(--space-lg); }
.sv-pd__reviews h3 { margin-bottom: var(--space-sm); }

/* ---------- Recently viewed ---------- */
.sv-recent__row { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-md); }
.sv-recent__card { background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--r-md); overflow: hidden; }
.sv-recent__card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.sv-recent__card span { display: block; padding: .5rem .7rem; font-size: .78rem; color: var(--text-muted); }

/* ---------- Ship progress ---------- */
.sv-ship { margin: var(--space-sm) 0 var(--space-md); }
.sv-ship__track { height: 8px; background: var(--border-light); border-radius: 999px; overflow: hidden; }
.sv-ship__fill { height: 100%; background: var(--accent); width: 0; transition: width var(--t-slow); }
.sv-ship__label { font-size: .8rem; color: var(--text-muted); margin-top: .4rem; }
.sv-ship__label strong { color: var(--accent-deep); }

/* ---------- Wishlist empty / grid ---------- */
.sv-empty { text-align: center; color: var(--text-muted); padding: var(--space-xl) 0; }
.sv-empty .sv-ico { font-size: 2.4rem; color: var(--border); display: block; margin-bottom: var(--space-sm); }

/* ---------- Story / about ---------- */
.sv-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.sv-split img { width: 100%; border-radius: var(--r-md); box-shadow: var(--shadow-sm); }
.sv-split h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin-bottom: var(--space-sm); }
.sv-split p { color: var(--text-muted); margin-bottom: var(--space-sm); }

/* ---------- Footer ---------- */
.sv-footer { background: linear-gradient(135deg, #0f2a32, #123f48); color: rgba(255,255,255,.82); padding: var(--space-xl) 0 var(--space-lg); }
.sv-news { border-bottom: 1px solid rgba(255,255,255,.12); padding-bottom: var(--space-lg); margin-bottom: var(--space-lg); text-align: center; }
.sv-news h2 { color: #fff; font-size: 1.05rem; margin-bottom: .3rem; }
.sv-news p { font-size: .85rem; color: rgba(255,255,255,.65); margin-bottom: var(--space-sm); }
.sv-news__hint { font-size: .78rem; color: #a7dadf; margin-top: .5rem; }
.sv-news__form { display: flex; gap: .5rem; max-width: 440px; flex-wrap: wrap; margin: 0 auto; justify-content: center; }
.sv-news__form input { flex: 1 1 200px; padding: .7rem 1rem; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff; border-radius: var(--r-sm); font-family: inherit; font-size: .9rem; }
.sv-news__form input::placeholder { color: rgba(255,255,255,.55); }
.sv-news__form input:focus { outline: none; border-color: #a7dadf; }
.sv-foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--space-lg); margin-bottom: var(--space-lg); }
.sv-foot-brand img { height: 32px; width: auto; margin-bottom: var(--space-sm); }
.sv-foot-brand p { font-size: .88rem; color: rgba(255,255,255,.62); max-width: 32ch; }
.sv-foot-col h2 { font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: var(--space-sm); }
.sv-foot-col ul li { margin-bottom: .55rem; }
.sv-foot-col a { font-size: .9rem; color: rgba(255,255,255,.82); transition: color var(--t-fast); }
.sv-foot-col a:hover { color: #a7dadf; }
.sv-foot-pay { padding: var(--space-md) 0; border-top: 1px solid rgba(255,255,255,.12); display: flex; align-items: center; flex-wrap: wrap; gap: var(--space-sm) var(--space-md); }
.sv-foot-pay__label { letter-spacing: .08em; text-transform: uppercase; font-size: .72rem; color: rgba(255,255,255,.6); }
.sv-paylist { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.sv-chip { font-size: .72rem; font-weight: 700; padding: .35rem .6rem; border-radius: var(--r-sm); background: #fff; color: #12303a; line-height: 1.1; box-shadow: 0 1px 2px rgba(0,0,0,.15); }
.sv-chip--visa { color: #1a1f71; } .sv-chip--mc { color: #a5071f; } .sv-chip--jcb { color: #0b4ea2; } .sv-chip--amex { color: #0a57b0; }
.sv-chip--pp { color: #b0002e; } .sv-chip--rk { color: #a30000; } .sv-chip--d { color: #b0002b; } .sv-chip--ap { color: #232f3e; } .sv-chip--paidy { color: #553aa8; }
.sv-foot-bottom { border-top: 1px solid rgba(255,255,255,.12); padding-top: var(--space-md); font-size: .8rem; color: rgba(255,255,255,.55); display: flex; flex-direction: column; gap: .5rem; }
.sv-foot-disc { font-size: .78rem; line-height: 1.7; }

/* ---------- Back to top ---------- */
.sv-totop { position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 46px; height: 46px; border-radius: var(--r-sm); background: var(--text); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 1rem; box-shadow: var(--shadow-md); opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base), background var(--t-fast); }
.sv-totop.is-shown { opacity: 1; visibility: visible; transform: translateY(0); }
.sv-totop:hover { background: var(--accent); }

/* ---------- 404 ---------- */
.sv-404 { text-align: center; padding: var(--space-xxl) 0; }
.sv-404 .sv-404__code { font-family: var(--font-head); font-size: clamp(4rem, 12vw, 7rem); font-weight: 700; color: var(--accent-deep); line-height: 1; }

/* ---------- Opt-out block ---------- */
.sv-optout { margin-top: var(--space-xl); padding: var(--space-lg); background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); scroll-margin-top: calc(var(--nav-h) + 1rem); }
.sv-optout__eyebrow { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .18em; color: var(--accent-deep); margin-bottom: .4rem; }
.sv-optout h2 { font-size: 1.4rem; margin-bottom: .6rem; }
.sv-optout__lead { color: var(--text-muted); font-size: .92rem; margin-bottom: var(--space-md); }
.sv-optout__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--space-sm); }
.sv-optout__card { padding: var(--space-md); background: var(--bg); border-radius: var(--r-md); min-width: 0; }
.sv-optout__card .sv-optout__ico { width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-deep); display: flex; align-items: center; justify-content: center; font-size: 1.05rem; margin-bottom: .7rem; }
.sv-optout__card h3 { font-size: 1rem; margin-bottom: .4rem; }
.sv-optout__card p { font-size: .86rem; color: var(--text-muted); line-height: 1.8; overflow-wrap: anywhere; }
.sv-optout__card a { color: var(--accent-deep); text-decoration: underline; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px) {
  .sv-hero__card { max-width: 440px; }
  .sv-feat { grid-template-columns: repeat(2, 1fr); }
  .sv-grid { grid-template-columns: repeat(2, 1fr); }
  .sv-tiles { grid-template-columns: repeat(2, 1fr); }
  .sv-reviews { grid-template-columns: 1fr; }
  .sv-pd { grid-template-columns: 1fr; gap: var(--space-lg); }
  .sv-contact { grid-template-columns: 1fr; gap: var(--space-lg); }
  .sv-split { grid-template-columns: 1fr; gap: var(--space-lg); }
  .sv-foot-grid { grid-template-columns: 1fr 1fr; }
  .sv-info { grid-template-columns: 1fr; }
  .sv-recent__row { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .sv-nav__menu, .sv-search { display: none; }
  .sv-burger { display: inline-flex; }
}
@media (max-width: 640px) {
  .sv-sec { padding: var(--space-lg) 0; }
  .sv-hero__media::after { background: linear-gradient(90deg, rgba(10,30,36,.82) 0%, rgba(10,30,36,.55) 70%, rgba(10,30,36,.3) 100%); }
  .sv-tiles { grid-template-columns: 1fr 1fr; }
  .sv-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
  .sv-cta { padding: var(--space-lg); }
  .sv-foot-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .sv-law th { white-space: normal; width: 42%; }
  .sv-recent__row { grid-template-columns: repeat(2, 1fr); }
  .sv-optout__grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .sv-grid { gap: var(--space-xs); }
}

/* ---------- Touch targets ≥44px ---------- */
@media (max-width: 860px) {
  .sv-btn--sm { min-height: 44px; }
  .sv-filter__btn { min-height: 44px; }
  .sv-size { min-height: 44px; }
  .sv-save { width: 44px; height: 44px; }
  .sv-nav__logo { min-height: 44px; }
  .sv-prod__link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; }
  .sv-crumbs a { display: inline-block; padding: 12px 4px; margin: -12px -4px; }
  .sv-foot-col ul li { margin-bottom: 0; }
  .sv-foot-col a { display: flex; align-items: center; min-height: 44px; }
  .sv-check { min-height: 44px; align-items: center; }
  .sv-check input { width: 22px; height: 22px; margin-top: 0; flex-shrink: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}