/* ==========================================================================
   SONARIA — design system
   Base: 紺 (navy) for trust, JIS 安全色「黄赤」系 orange as the only accent,
   生成り (unbleached) paper background. Modest radius, hairline rules.
   ========================================================================== */

:root {
  --ink: #1d232c;
  --ink-2: #4a525e;
  --ink-3: #7a828d;
  --navy: #1c2a43;
  --navy-2: #2b3d5c;
  --navy-soft: #e8ecf2;
  --orange: #e8620c;        /* safety orange, accent only */
  --orange-dark: #c14f06;
  --orange-soft: #fdf0e6;
  --yellow: #f3c200;        /* warning stripe only */
  --green: #1d7a55;
  --red: #c6362b;
  --paper: #f6f4ef;
  --paper-2: #efece4;
  --white: #fff;
  --line: #ddd8cd;
  --line-2: #ebe7de;

  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-head: "Zen Kaku Gothic New", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
  --font-en: "Jost", "Noto Sans JP", sans-serif;

  --container: 1200px;
  --gutter: 20px;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow: 0 1px 2px rgba(28, 42, 67, .06), 0 4px 16px rgba(28, 42, 67, .06);
  --header-h: 76px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0; font-family: var(--font); color: var(--ink); background: var(--white);
  font-size: 15px; line-height: 1.85; letter-spacing: .04em;
  -webkit-font-smoothing: antialiased; overflow-wrap: anywhere; line-break: strict;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--orange-dark); }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 2px; }
.icon { width: 1.25em; height: 1.25em; flex: none; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 999; background: var(--navy); color: #fff; padding: 8px 16px; }
.skip-link:focus { left: 8px; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.container--narrow { max-width: calc(860px + var(--gutter) * 2); }
.section { padding-block: 88px; }
.section--sm { padding-block: 56px; }
.section--paper { background: var(--paper); }
.section--navy { background: var(--navy); color: #fff; }
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.stack > * + * { margin-top: 1em; }
.center { text-align: center; }
.mt-s { margin-top: 16px; } .mt-m { margin-top: 32px; } .mt-l { margin-top: 56px; }

/* ---------- typography ---------- */
.h-sec { margin-bottom: 40px; }
.h-sec__en {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-en); font-weight: 600; font-size: 13px; letter-spacing: .2em; color: var(--orange);
}
.h-sec__en::before { content: ""; width: 18px; height: 2px; background: currentColor; }
.h-sec__ja {
  font-family: var(--font-head); font-weight: 700; font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.45; letter-spacing: .06em; margin-top: 8px; font-feature-settings: "palt";
}
.h-sec__lead { color: var(--ink-2); margin-top: 14px; max-width: 46em; }
.h-sec--center { text-align: center; }
.h-sec--center .h-sec__en { justify-content: center; }
.h-sec--center .h-sec__en::after { content: ""; width: 18px; height: 2px; background: currentColor; }
.h-sec--center .h-sec__lead { margin-inline: auto; }
.h-sec--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section--navy .h-sec__lead { color: #c9d1de; }

.h-bar { font-family: var(--font-head); font-weight: 700; font-size: 21px; line-height: 1.5; padding-left: 14px; border-left: 4px solid var(--orange); margin: 48px 0 18px; }
.h-line { font-family: var(--font-head); font-weight: 700; font-size: 17px; padding-bottom: 8px; border-bottom: 1px solid var(--line); margin: 32px 0 14px; }
.text-muted { color: var(--ink-3); }
.text-s { font-size: 13px; }
.text-accent { color: var(--orange-dark); }
.num { font-family: var(--font-en); font-weight: 500; letter-spacing: .02em; }

/* ---------- page header (lower pages) ---------- */
.page-head { background: var(--paper); border-bottom: 1px solid var(--line-2); position: relative; overflow: hidden; }
.page-head__inner { padding-block: 52px 48px; position: relative; }
.page-head__en { font-family: var(--font-en); font-weight: 600; font-size: 13px; letter-spacing: .22em; color: var(--orange); }
.page-head__title { font-family: var(--font-head); font-weight: 700; font-size: clamp(26px, 3.2vw, 38px); letter-spacing: .06em; line-height: 1.4; margin-top: 6px; font-feature-settings: "palt"; }
.page-head__lead { margin-top: 12px; color: var(--ink-2); max-width: 44em; }
.page-head::after { /* subtle stripe at the right edge, like a hazard tape cut */
  content: ""; position: absolute; right: -40px; bottom: 0; width: 260px; height: 10px;
  background: repeating-linear-gradient(-45deg, var(--navy) 0 10px, transparent 10px 20px); opacity: .08;
}

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size: 12px; color: var(--ink-3); border-bottom: 1px solid var(--line-2); background: var(--white); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px 0; padding-block: 10px; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-inline: 10px; color: var(--line); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--ink-2); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 12px 28px; border-radius: var(--radius); border: 1px solid transparent;
  font-weight: 700; font-size: 15px; letter-spacing: .08em; line-height: 1.4; text-align: center;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn .icon { width: 18px; height: 18px; }
.btn--primary { background: var(--orange); color: #fff; }
.btn--primary:hover { background: var(--orange-dark); color: #fff; }
.btn--navy { background: var(--navy); color: #fff; }
.btn--navy:hover { background: var(--navy-2); color: #fff; }
.btn--outline { border-color: var(--navy); color: var(--navy); background: #fff; }
.btn--outline:hover { background: var(--navy); color: #fff; }
.btn--ghost-invert { border-color: rgba(255,255,255,.6); color: #fff; }
.btn--ghost-invert:hover { background: #fff; color: var(--navy); }
.btn--block { width: 100%; }
.btn--lg { min-height: 60px; font-size: 16px; padding-inline: 40px; }
.btn--sm { min-height: 40px; padding: 8px 18px; font-size: 13px; }
.btn[disabled] { opacity: .45; pointer-events: none; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; color: var(--navy); }
.link-arrow .icon { width: 16px; height: 16px; transition: transform .2s; }
.link-arrow:hover .icon { transform: translateX(3px); }

/* ---------- badges / tags ---------- */
.badge { display: inline-block; font-size: 11px; font-weight: 700; line-height: 1; padding: 5px 8px; border-radius: 2px; letter-spacing: .06em; background: var(--navy-soft); color: var(--navy); }
.badge--orange { background: var(--orange); color: #fff; }
.badge--line { background: #fff; border: 1px solid var(--line); color: var(--ink-2); }
.badge--green { background: #e3f1ea; color: var(--green); }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; }

/* ---------- topbar & header ---------- */
.topbar { background: var(--navy); color: #dfe5ee; font-size: 12px; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 34px; gap: 16px; }
.topbar__notice { display: flex; align-items: center; gap: 8px; }
.topbar__notice .icon { width: 16px; height: 16px; color: var(--yellow); }
.topbar__links { display: flex; gap: 20px; }
.topbar__links a:hover { color: #fff; text-decoration: underline; }

.site-header { background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-header__inner { display: flex; align-items: center; gap: 28px; min-height: var(--header-h); }
.logo { display: inline-flex; flex-direction: column; line-height: 1; flex: none; }
.logo__word { font-family: var(--font-en); font-weight: 600; font-size: 28px; letter-spacing: .14em; }
.logo__a { color: var(--navy); }
.logo__b { color: var(--orange); }
.logo__sub { font-size: 10.5px; font-weight: 500; letter-spacing: .32em; color: var(--ink-2); margin-top: 7px; padding-left: 2px; }
.logo:hover .logo__a { color: var(--navy); }
.logo--invert .logo__a { color: #fff; }
.logo--invert .logo__sub { color: #aab5c6; }

.header-search { flex: 1; max-width: 420px; display: flex; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.header-search input, .drawer__search input { flex: 1; min-width: 0; border: 0; background: transparent; padding: 10px 14px; font-size: 13px; outline: none; }
.header-search button, .drawer__search button { border: 0; background: transparent; padding: 0 14px; color: var(--navy); }
.header-search:focus-within { border-color: var(--navy); background: #fff; }
.header-tel { display: grid; line-height: 1.3; margin-left: auto; text-align: right; }
.header-tel__label { font-size: 11px; color: var(--ink-3); }
.header-tel__num { font-family: var(--font-en); font-weight: 600; font-size: 21px; letter-spacing: .06em; color: var(--navy); }
.header-tel__hours { font-size: 11px; color: var(--ink-3); }
.header-actions { display: flex; gap: 4px; }
.header-actions a, .menu-btn {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 3px;
  min-width: 64px; padding: 6px 4px; font-size: 10.5px; color: var(--ink-2); background: none; border: 0;
}
.header-actions .icon { width: 24px; height: 24px; color: var(--navy); }
.header-actions__menu { display: none; }
.cart-count {
  position: absolute; top: 0; right: 10px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px;
  background: var(--orange); color: #fff; font: 700 11px/18px var(--font-en); text-align: center; letter-spacing: 0;
}

.gnav { border-top: 1px solid var(--line-2); }
.gnav__list { display: flex; justify-content: space-between; }
.gnav__list li { flex: 1; }
.gnav__list a {
  display: block; text-align: center; padding: 12px 6px; font-size: 13.5px; font-weight: 500; position: relative; white-space: nowrap;
}
.gnav__list a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: -1px; height: 3px; background: var(--orange); transition: left .2s, right .2s; }
.gnav__list a:hover, .gnav__list a[aria-current] { color: var(--navy); }
.gnav__list a:hover::after, .gnav__list a[aria-current]::after { left: 16%; right: 16%; }
.gnav__list li + li a::before { content: ""; position: absolute; left: 0; top: 30%; bottom: 30%; width: 1px; background: var(--line-2); }

/* drawer (mobile) */
.drawer { position: fixed; inset: 0; z-index: 100; background: rgba(15, 22, 35, .5); }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(88vw, 380px); background: #fff; overflow-y: auto; padding: 0 20px 32px; animation: drawer-in .25s ease-out; }
@keyframes drawer-in { from { transform: translateX(100%); } }
.drawer__head { display: flex; align-items: center; justify-content: space-between; height: 60px; border-bottom: 1px solid var(--line); }
.drawer__title { font: 600 14px var(--font-en); letter-spacing: .24em; color: var(--navy); }
.drawer__close { border: 0; background: none; padding: 8px; }
.drawer__close .icon { width: 26px; height: 26px; }
.drawer__search { display: flex; border: 1px solid var(--line); border-radius: var(--radius); margin-top: 16px; background: var(--paper); }
.drawer__label { font-size: 12px; font-weight: 700; color: var(--orange-dark); margin-top: 22px; letter-spacing: .1em; }
.drawer__list a { display: flex; justify-content: space-between; align-items: center; padding: 13px 2px; border-bottom: 1px solid var(--line-2); font-size: 14px; }
.drawer__list a::after { content: ""; width: 7px; height: 7px; border-top: 1.5px solid var(--ink-3); border-right: 1.5px solid var(--ink-3); transform: rotate(45deg); }
.drawer__tel { display: flex; align-items: center; gap: 12px; margin-top: 24px; padding: 14px 16px; border: 1px solid var(--navy); border-radius: var(--radius); color: var(--navy); }
.drawer__tel .icon { width: 26px; height: 26px; }
.drawer__tel b { display: block; font: 600 20px var(--font-en); letter-spacing: .06em; }
.drawer__tel small { font-size: 11px; color: var(--ink-3); }
body.is-locked { overflow: hidden; }

/* ---------- cards ---------- */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.card__body { padding: 22px 24px 24px; }
.card__title { font-family: var(--font-head); font-weight: 700; font-size: 18px; line-height: 1.5; }
.card__text { color: var(--ink-2); font-size: 14px; margin-top: 8px; }
a.card { display: block; transition: border-color .2s, box-shadow .2s; }
a.card:hover { border-color: var(--navy); box-shadow: var(--shadow); color: inherit; }

/* product card */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px 24px; }
.p-card { display: flex; flex-direction: column; position: relative; }
.p-card__img { aspect-ratio: 1; border-radius: var(--radius-lg); background: var(--paper); overflow: hidden; border: 1px solid var(--line-2); }
.p-card__img img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.p-card:hover .p-card__img img { transform: scale(1.04); }
.p-card__badges { position: absolute; top: 10px; left: 10px; display: flex; gap: 4px; }
.p-card__cat { font-size: 11.5px; color: var(--ink-3); margin-top: 12px; }
.p-card__name { font-weight: 500; font-size: 14.5px; line-height: 1.6; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.p-card:hover .p-card__name { color: var(--orange-dark); }
.p-card__price { margin-top: auto; padding-top: 8px; font: 600 19px var(--font-en); color: var(--ink); letter-spacing: .02em; }
.p-card__price small { font-family: var(--font); font-size: 11px; font-weight: 400; color: var(--ink-3); margin-left: 4px; }
.p-card__meta { font-size: 11.5px; color: var(--green); margin-top: 2px; }

/* price display */
.price { font: 600 30px var(--font-en); letter-spacing: .02em; color: var(--ink); }
.price small { font-family: var(--font); font-size: 13px; font-weight: 400; color: var(--ink-3); margin-left: 6px; }

/* ---------- lists ---------- */
.news-list { border-top: 1px solid var(--line); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a, .news-list .news-row { display: grid; grid-template-columns: 110px 96px 1fr; gap: 16px; align-items: baseline; padding: 18px 4px; }
.news-list time { font: 500 14px var(--font-en); color: var(--ink-3); letter-spacing: .04em; }
.news-list .badge { justify-self: start; }
.news-list a:hover .news-list__title { color: var(--orange-dark); text-decoration: underline; }

.check-list li { position: relative; padding-left: 28px; }
.check-list li + li { margin-top: 8px; }
.check-list li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px; border-left: 2px solid var(--orange); border-bottom: 2px solid var(--orange); transform: rotate(-45deg); }
.dot-list li { position: relative; padding-left: 1.2em; }
.dot-list li::before { content: "・"; position: absolute; left: 0; }
.num-list { counter-reset: n; }
.num-list > li { counter-increment: n; position: relative; padding-left: 2em; }
.num-list > li + li { margin-top: 6px; }
.num-list > li::before { content: counter(n) "."; position: absolute; left: 0; font-family: var(--font-en); font-weight: 600; color: var(--navy); }

/* ---------- tables ---------- */
.table-info { border-top: 1px solid var(--line); font-size: 14.5px; }
.table-info th, .table-info td { border-bottom: 1px solid var(--line); padding: 20px 16px; vertical-align: top; text-align: left; }
.table-info th { width: 26%; background: var(--paper); font-weight: 700; color: var(--navy); white-space: nowrap; }
.table-data { font-size: 14px; border: 1px solid var(--line); }
.table-data th, .table-data td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.table-data thead th { background: var(--navy); color: #fff; font-weight: 500; }
.table-data tbody th { background: var(--paper); font-weight: 500; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- prose (legal / column) ---------- */
.prose { font-size: 15px; line-height: 2; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-family: var(--font-head); font-size: 21px; line-height: 1.5; padding-left: 14px; border-left: 4px solid var(--orange); margin-top: 2.4em; }
.prose h3 { font-family: var(--font-head); font-size: 17px; padding-bottom: 6px; border-bottom: 1px solid var(--line); margin-top: 2em; }
.prose ul { padding-left: 1.4em; list-style: disc; }
.prose ol { padding-left: 1.6em; list-style: decimal; }
.prose li + li { margin-top: .35em; }
.prose a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { background: linear-gradient(transparent 62%, #fde3cf 62%); font-weight: 700; }
.prose .table-info, .prose .table-data { margin-top: 1.6em; }
.legal-meta { margin-top: 3em; padding-top: 1.4em; border-top: 1px solid var(--line); text-align: right; color: var(--ink-2); font-size: 14px; line-height: 1.9; }

/* ---------- notice boxes ---------- */
.note { display: flex; gap: 12px; padding: 16px 20px; border-radius: var(--radius); background: var(--paper); font-size: 14px; color: var(--ink-2); }
.note .icon { color: var(--navy); margin-top: 3px; }
.note--warn { background: var(--orange-soft); }
.note--warn .icon { color: var(--orange-dark); }
.hazard { height: 8px; background: repeating-linear-gradient(-45deg, var(--yellow) 0 12px, var(--navy) 12px 24px); }

/* ---------- forms ---------- */
.form { display: grid; gap: 0; border-top: 1px solid var(--line); }
.form-row { display: grid; grid-template-columns: 240px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.form-row > label, .form-row > .form-label { font-weight: 700; font-size: 14.5px; padding-top: 10px; display: flex; align-items: flex-start; gap: 10px; }
.req, .opt { font-size: 11px; font-weight: 700; line-height: 1; padding: 4px 6px; border-radius: 2px; flex: none; margin-top: 2px; }
.req { background: var(--orange); color: #fff; }
.opt { background: var(--paper-2); color: var(--ink-3); }
.input, .select, .textarea {
  width: 100%; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 12px 14px; font-size: 16px; line-height: 1.5;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(28, 42, 67, .12); }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--red); background: #fff7f6; }
.textarea { min-height: 180px; resize: vertical; }
.select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(-45deg, transparent 50%, var(--ink-2) 50%); background-position: right 18px center, right 13px center; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.input--s { max-width: 200px; } .input--m { max-width: 360px; }
.field-hint { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.field-error { font-size: 13px; color: var(--red); margin-top: 6px; }
.choice { display: flex; flex-wrap: wrap; gap: 10px 24px; padding-top: 8px; }
.choice label { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.choice input { width: 18px; height: 18px; accent-color: var(--orange); }
.form-agree { text-align: center; padding: 32px 0 8px; }
.form-agree label { display: inline-flex; gap: 10px; align-items: center; font-weight: 500; }
.form-agree input { width: 20px; height: 20px; accent-color: var(--orange); }
.form-actions { display: flex; justify-content: center; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.form-actions .btn { min-width: 280px; }
.hp-field { position: absolute; left: -9999px; }
.steps { display: flex; justify-content: center; counter-reset: s; margin-bottom: 40px; }
.steps li { counter-increment: s; flex: 1; max-width: 200px; text-align: center; font-size: 12.5px; color: var(--ink-3); position: relative; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 34px; height: 34px; margin: 0 auto 6px; border-radius: 50%; background: var(--paper-2); font: 600 15px var(--font-en); position: relative; z-index: 1; }
.steps li + li::after { content: ""; position: absolute; top: 17px; right: 50%; width: 100%; height: 1px; background: var(--line); }
.steps li[aria-current] { color: var(--navy); font-weight: 700; }
.steps li[aria-current]::before { background: var(--navy); color: #fff; }

/* ---------- footer ---------- */
.footer-assist { background: var(--paper); border-top: 1px solid var(--line-2); }
.footer-assist__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.assist-item { display: flex; gap: 16px; padding: 32px 28px; font-size: 13px; color: var(--ink-2); }
.assist-item + .assist-item { border-left: 1px solid var(--line); }
.assist-item .icon { width: 34px; height: 34px; color: var(--orange); }
.assist-item b { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
.assist-item a { color: var(--navy); text-decoration: underline; }
.site-footer { background: var(--navy); color: #c7cfdb; font-size: 13px; }
.site-footer__top { display: grid; grid-template-columns: 320px 1fr; gap: 48px; padding-block: 64px 48px; }
.site-footer__company { margin-top: 22px; line-height: 1.9; }
.site-footer__tel { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; color: #fff; font: 600 22px var(--font-en); letter-spacing: .06em; }
.site-footer__tel:hover { color: #fff; }
.site-footer__hours { font-size: 12px; color: #93a0b4; }
.site-footer__nav { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.site-footer__h { color: #fff; font-weight: 700; font-size: 13.5px; padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid rgba(255,255,255,.14); }
.site-footer__nav li + li { margin-top: 8px; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,.12); }
.site-footer__bottom-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 20px; flex-wrap: wrap; }
.site-footer__legal { display: flex; flex-wrap: wrap; gap: 6px 22px; font-size: 12px; }
.site-footer__copy { font: 500 12px var(--font-en); letter-spacing: .08em; color: #8794a8; }
.pagetop {
  position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; border: 1px solid var(--line); color: var(--navy); box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.pagetop .icon { transform: rotate(-90deg); }
.pagetop.is-visible { opacity: 1; pointer-events: auto; }

/* ---------- motion ---------- */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation: none !important; }
}

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); z-index: 120; background: var(--navy); color: #fff; padding: 14px 22px; border-radius: var(--radius); font-size: 14px; box-shadow: var(--shadow); opacity: 0; transition: opacity .25s, transform .25s; display: flex; gap: 14px; align-items: center; }
.toast.is-show { opacity: 1; transform: translateX(-50%); }
.toast a { color: #ffd2b0; text-decoration: underline; white-space: nowrap; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .header-tel { display: none; }
  .header-search { margin-left: auto; }
  .gnav__list a { font-size: 12.5px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .site-footer__top { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  :root { --header-h: 60px; --gutter: 16px; }
  body { font-size: 14.5px; }
  .topbar__links { display: none; }
  .topbar__inner { justify-content: center; }
  .site-header__inner { gap: 8px; }
  .logo__word { font-size: 22px; }
  .logo__sub { font-size: 9px; margin-top: 5px; letter-spacing: .24em; }
  .header-search { display: none; }
  .header-actions { margin-left: auto; }
  .header-actions a, .menu-btn { min-width: 52px; }
  .header-actions__menu { display: block; }
  .gnav { display: none; }
  .section { padding-block: 60px; }
  .section--sm { padding-block: 40px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 14px; }
  .h-sec { margin-bottom: 28px; }
  .page-head__inner { padding-block: 36px 32px; }
  .news-list a, .news-list .news-row { grid-template-columns: auto 1fr; gap: 6px 14px; padding: 14px 2px; }
  .news-list__title { grid-column: 1 / -1; }
  .table-info th, .table-info td { display: block; width: 100%; padding: 12px 14px; }
  .table-info th { border-bottom: 0; }
  .form-row { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .form-row > label, .form-row > .form-label { padding-top: 0; }
  .form-actions .btn { min-width: 0; width: 100%; }
  .footer-assist__grid { grid-template-columns: 1fr; }
  .assist-item { padding: 20px 4px; }
  .assist-item + .assist-item { border-left: 0; border-top: 1px solid var(--line); }
  .site-footer__nav { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
  .site-footer__top { padding-block: 48px 32px; gap: 36px; }
  .btn--lg { padding-inline: 24px; }
  .pagetop { width: 42px; height: 42px; right: 14px; bottom: 14px; }
}
@media (max-width: 480px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .p-card__name { font-size: 13.5px; }
  .p-card__price { font-size: 17px; }
}