/* =========================================================
   ZART Co., Ltd. — 公式サイト
   MONOCHROME × PRODUCT × BUSINESS
   ---------------------------------------------------------
   基本カラー: WHITE / BLACK / GRAY
   商品写真のみカラー。UIは白黒で構成する。
   ========================================================= */

:root {
  --white: #ffffff;
  --black: #111111;
  --ink: #1a1a1a;
  --gray-50: #f7f7f7;
  --gray-100: #f5f5f5;
  --gray-200: #e6e6e6;
  --gray-300: #cccccc;
  --gray-500: #8c8c8c;
  --gray-700: #5c5c5c;
  --line: #111111;
  --line-light: #e5e5e5;
  --font-jp: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", "Meiryo", sans-serif;
  --font-en: "Helvetica Neue", Helvetica, "Segoe UI", Arial, "Noto Sans JP", sans-serif;
  --container: 1280px;
  --pad-x: clamp(20px, 4vw, 48px);
  --sec-y: clamp(76px, 9vw, 140px);
  --header-h: 72px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth
}

body {
  margin: 0;
  font-family: var(--font-jp);
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility
}

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

a {
  color: inherit;
  text-decoration: none
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none
}

p {
  margin: 0 0 1em
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 700;
  line-height: 1.4
}

:focus-visible {
  outline: 2px solid var(--black);
  outline-offset: 2px
}

::selection {
  background: var(--black);
  color: var(--white)
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x)
}

.section {
  padding-top: var(--sec-y);
  padding-bottom: var(--sec-y)
}

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4
}

.section-black .eyebrow {
  color: var(--white)
}

.sec-head {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-bottom: clamp(32px, 4vw, 56px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap
}

.sec-head .sec-title {
  font-size: clamp(26px, 3.4vw, 40px);
  letter-spacing: .02em;
  line-height: 1.35;
  margin-top: 10px
}

.sec-head .sec-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  white-space: nowrap;
  border-bottom: 1px solid var(--black);
  padding-bottom: 4px;
  transition: opacity .25s
}

.sec-head .sec-link:hover {
  opacity: .55
}

.sec-head .sec-link .arr {
  display: inline-block;
  margin-left: 6px;
  transition: transform .3s
}

.sec-head .sec-link:hover .arr {
  transform: translateX(4px)
}

.lead {
  font-size: 20px;
  line-height: 1.9;
  font-weight: 500;
  text-align: left;
}

.lead.business-lead {
  text-align: center;
}

.lead-note {
  font-size: 15px;
  color: var(--gray-700)
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--black);
  color: var(--white);
  padding: 16px 32px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.4;
  border: 1px solid var(--black);
  transition: background .3s ease, color .3s ease
}

.btn:hover {
  background: var(--white);
  color: var(--black)
}

.btn .arr {
  font-size: 16px;
  transition: transform .3s
}

.btn:hover .arr {
  transform: translateX(4px)
}

.btn-lg {
  padding: 19px 42px;
  font-size: 15px
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border-color: var(--black)
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white)
}

.btn-white {
  background: var(--white);
  color: var(--black);
  border-color: var(--white)
}

.btn-white:hover {
  background: transparent;
  color: var(--white)
}

.btn-block {
  width: 100%;
  justify-content: center
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line-light);
  transition: box-shadow .3s ease
}

.site-header.is-scrolled {
  box-shadow: 0 1px 0 var(--line-light)
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h)
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px
}

.logo-mark {
  font-family: var(--font-en);
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--black)
}

.logo-sub {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gray-700)
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 30px)
}

.site-nav a {
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--ink);
  position: relative;
  padding: 6px 0;
  transition: color .25s
}

.site-nav a:hover {
  color: var(--gray-500)
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width .3s
}

.site-nav a:hover::after {
  width: 100%
}

.site-nav .nav-cart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--black);
  padding: 9px 18px;
  color: var(--black);
  transition: background .3s, color .3s
}

.site-nav .nav-cart:hover {
  background: var(--black);
  color: var(--white)
}

.site-nav .nav-cart::after {
  display: none
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 120
}

.menu-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--black);
  transition: transform .3s, opacity .3s
}

.menu-toggle span:nth-child(1) {
  top: 15px
}

.menu-toggle span:nth-child(2) {
  top: 21px
}

.menu-toggle span:nth-child(3) {
  top: 27px
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg)
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg)
}

.mobile-nav {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 110;
  padding: calc(var(--header-h) + 20px) var(--pad-x) 40px;
  overflow-y: auto;
  display: none
}

.mobile-nav.is-open {
  display: block;
  z-index: 3;
}

.mobile-nav nav a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line-light);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .12em
}

.mobile-nav nav a span {
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-500);
  letter-spacing: .05em
}

.mobile-nav .nav-cart {
  border: 1px solid var(--black);
  margin-top: 24px;
  padding: 16px 20px;
  justify-content: center
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--black);
  color: var(--white)
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  padding-top: clamp(64px, 7vw, 96px);
  padding-bottom: clamp(48px, 5vw, 72px)
}

.footer-logo {
  font-family: var(--font-en);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: .14em
}

.footer-company {
  font-size: 14px;
  font-weight: 600;
  margin: 14px 0 4px
}

.footer-address {
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  line-height: 1.9;
  margin: 0 0 12px
}

.footer-mail a {
  font-size: 13px;
  color: rgba(255, 255, 255, .72);
  border-bottom: 1px solid rgba(255, 255, 255, .4);
  transition: color .25s
}

.footer-mail a:hover {
  color: var(--white)
}

.footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 32px;
  align-content: start
}

.footer-nav a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  color: rgba(255, 255, 255, .9);
  transition: color .25s
}

.footer-nav a:hover {
  color: var(--white)
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, .18)
}

.footer-legal-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 22px;
  padding-bottom: 22px
}

.footer-legal-links {
  display: flex;
  gap: clamp(16px, 3vw, 32px);
  flex-wrap: wrap
}

.footer-legal-links a {
  font-size: 12px;
  color: rgba(255, 255, 255, .6);
  transition: color .25s
}

.footer-legal-links a:hover {
  color: var(--white)
}

.copyright {
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255, 255, 255, .5);
  letter-spacing: .06em;
  margin: 0
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  border-bottom: 1px solid var(--line-light)
}

.hero-inner {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  padding-top: clamp(48px, 7vw, 96px);
  padding-bottom: clamp(48px, 7vw, 96px)
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px
}

.hero-eyebrow .line {
  width: 48px;
  height: 1px;
  background: var(--black)
}

.hero-title {
  font-size: clamp(42px, 6.4vw, 76px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: .01em;
  font-family: var(--font-en);
  color: var(--black)
}

.hero-title .jp {
  display: block;
  font-family: var(--font-jp);
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 700;
  letter-spacing: .12em;
  margin-top: 22px;
  line-height: 1.5
}

.hero-desc {
  margin-top: 34px;
  max-width: 520px;
  font-size: 15px;
  line-height: 2;
  color: var(--gray-700)
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 40px
}

.hero-visual {
  position: relative
}

.hero-visual .hv-frame {
  border: 1px solid var(--line-light);
  background: var(--white);
  overflow: hidden;
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.hero-visual .hv-caption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 14px;
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: .06em
}

.hero-visual .hv-caption .en {
  font-family: var(--font-en);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-weight: 600
}

/* ---------- About strip (hero直下) ---------- */
.about-strip {
  border-bottom: 1px solid var(--line-light)
}

.about-strip-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: clamp(40px, 5vw, 64px);
  padding-bottom: clamp(40px, 5vw, 64px)
}

.about-strip p {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 600;
  line-height: 1.9;
  margin: 0;
  max-width: 760px
}

.about-strip .btn {
  margin-top: 8px
}

/* ---------- Products (TOP) ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 2.6vw, 36px)
}

.product-grid .col-span-2 {
  grid-column: span 2
}

.product-card {
  display: block
}

.pc-img {
  aspect-ratio: 1/1;
  border: 1px solid var(--line-light);
  background: var(--white);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative
}

.pc-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease
}

.product-card:hover .pc-img img {
  transform: scale(1.035)
}

.pc-body {
  padding-top: 16px;
  /* border-bottom: 1px solid var(--line-light) */
}

.pc-cat {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray-500)
}

.pc-name {
  font-size: 15px;
  font-weight: 600;
  margin-top: 6px;
  line-height: 1.55
}

.pc-price {
  font-size: 14px;
  font-weight: 700;
  margin-top: 8px
}

.pc-price .tbd {
  font-weight: 400;
  color: var(--gray-500)
}

.pc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  margin-top: 10px;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .3s, transform .3s
}

.product-card:hover .pc-link {
  opacity: 1;
  transform: none
}

.pc-link .arr {
  font-size: 14px
}

/* ---------- About ZART ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: start
}

.about-grid .ag-en {
  font-family: var(--font-en);
  font-size: clamp(64px, 9vw, 120px);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--black);
  /* border-top: 1px solid var(--line); */
  padding-top: 20px
}

.about-grid .ag-jp {
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 2.1;
  font-weight: 500
}

.about-grid .ag-jp strong {
  font-weight: 700
}

.about-grid .ag-jp .lead-note {
  margin-top: 20px
}

.about-grid .ag-cta {
  margin-top: 36px
}

/* ---------- Business flow ---------- */
.flow {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line)
}

.flow-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr)
}

.flow-step {
  padding: clamp(24px, 2.6vw, 40px) clamp(16px, 1.8vw, 28px);
  border-right: 1px solid var(--line-light);
  position: relative
}

.flow-step:last-child {
  border-right: none
}

.flow-step .fs-en {
  font-family: var(--font-en);
  font-size: clamp(15px, 1.2vw, 15px);
  font-weight: 800;
  letter-spacing: .16em
}

.flow-step .fs-jp {
  font-size: 12.5px;
  color: var(--gray-700);
  margin-top: 8px;
  line-height: 1.7
}

.flow-step .fs-arrow {
  position: absolute;
  right: -9px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 18px;
  height: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--black)
}

.flow-step:last-child .fs-arrow {
  display: none
}

.business-note {
  margin-top: 40px;
  font-size: 14px;
  color: var(--gray-700);
  max-width: 720px
}

/* ---------- News list ---------- */
.news-list {
  border-top: 1px solid var(--line)
}

.news-item {
  display: grid;
  grid-template-columns: 110px 120px 1fr 24px;
  gap: clamp(12px, 2vw, 28px);
  align-items: center;
  padding: clamp(18px, 2vw, 26px) 12px;
  border-bottom: 1px solid var(--line-light);
  transition: background .25s
}

.news-item:hover {
  background: var(--gray-100)
}

.news-item .date {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--gray-700);
  letter-spacing: .04em
}

.news-item .cat {
  font-size: 11px;
  letter-spacing: .1em;
  border: 1px solid var(--black);
  padding: 3px 12px;
  justify-self: start;
  white-space: nowrap;
  line-height: 1.4
}

.news-item .title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6
}

.news-item .arr {
  font-size: 15px;
  color: var(--gray-500);
  transition: transform .3s, color .3s
}

.news-item:hover .arr {
  transform: translateX(4px);
  color: var(--black)
}

.news-detail {
  margin-bottom: 80px;
}

/* ---------- Column ---------- */
.column-wrap {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: stretch
}

.column-feature {
  display: block;
  /* border-top: 1px solid var(--line) */
}

.column-feature .cf-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center
}

.column-feature .cf-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease
}

.column-feature:hover .cf-img img {
  transform: scale(1.03)
}

.column-feature .cf-body {
  padding: 20px 0 0;
  border-bottom: 1px solid var(--line-light)
}

.column-feature .cf-cat {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gray-500);
  text-transform: uppercase
}

.column-feature .cf-title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  margin-top: 8px;
  line-height: 1.6
}

.column-feature .cf-date {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 10px
}

.column-list {
  border-top: 1px solid var(--line)
}

.column-item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: clamp(16px, 2.4vw, 28px);
  align-items: center;
  padding: clamp(18px, 2.2vw, 28px) 0;
  border-bottom: 1px solid var(--line-light);
  transition: background .25s
}

.column-item:hover {
  background: var(--gray-100)
}

.column-item .ci-img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center
}

.column-item .ci-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s
}

.column-item:hover .ci-img img {
  transform: scale(1.04)
}

.column-item .ci-cat {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gray-500);
  text-transform: uppercase
}

.column-item .ci-title {
  font-size: 15px;
  font-weight: 600;
  margin-top: 6px;
  line-height: 1.6
}

.column-item .ci-date {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 8px
}

/* ---------- Pick Up ---------- */
.pickup {
  background: var(--gray-50);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light)
}

.pickup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line-light);
  background: var(--white)
}

.pickup-item {
  display: flex;
  align-items: stretch;
  ;
}

.pickup-item+.pickup-item {
  border-left: 1px solid var(--line-light)
}

.pickup-item .pu-img {
  width: 40%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--white)
}

.pickup-item .pu-img img {
  width: 100%;
  object-fit: cover;
  transition: transform .5s
}

.pickup-item:hover .pu-img img {
  transform: scale(1.03)
}

.pickup-item .pu-body {
  flex: 1;
  padding: clamp(24px, 3vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center
}

.pickup-item .pu-tag {
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray-500);
  font-family: var(--font-en);
  font-weight: 700
}

.pickup-item .pu-title {
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 700;
  margin-top: 12px;
  line-height: 1.5
}

.pickup-item .pu-desc {
  font-size: 13.5px;
  color: var(--gray-700);
  margin-top: 14px;
  line-height: 1.9
}

.pickup-item .pu-link {
  font-size: 13px;
  font-weight: 600;
  margin-top: 22px;
  border-bottom: 1px solid var(--black);
  padding-bottom: 4px;
  align-self: flex-start;
  transition: opacity .25s
}

.pickup-item .pu-link:hover {
  opacity: .55
}

.pickup-item .pu-link .arr {
  margin-left: 6px
}

/* ---------- For Business ---------- */
.section-black {
  background: var(--black);
  color: var(--white)
}

.section-black .sec-head {
  border-top-color: var(--white)
}

.section-black .sec-title {
  color: var(--white)
}

.biz-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center
}

.biz-grid .bg-copy p {
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
  line-height: 2
}

.biz-grid .bg-copy .lead {
  color: var(--white);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  line-height: 1.9
}

.biz-list {
  border-top: 1px solid rgba(255, 255, 255, .3)
}

.biz-item {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .16)
}

.biz-item .bi-en {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .16em;
  min-width: 120px
}

.biz-item .bi-jp {
  font-size: 13.5px;
  color: rgba(255, 255, 255, .78)
}

/* ---------- Shopping Guide ---------- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line-light)
}

.guide-cell {
  border-right: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  padding: clamp(24px, 2.6vw, 40px) clamp(18px, 2vw, 30px)
}

.guide-cell .gc-en {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .18em
}

.guide-cell .gc-jp {
  font-size: 12.5px;
  color: var(--gray-700);
  margin-top: 4px
}

.guide-cell .gc-desc {
  font-size: 13px;
  line-height: 1.9;
  margin-top: 18px;
  color: var(--ink)
}

.guide-cell .gc-desc .tbd {
  color: var(--gray-500)
}

.guide-note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--gray-700)
}

/* ---------- Company strip (TOP) ---------- */
.company-strip-inner {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.company-strip .cs-table {
  font-size: 14px
}

.company-strip .cs-table .row {
  display: flex;
  gap: 24px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-light)
}

.company-strip .cs-table .row dt {
  width: 130px;
  flex-shrink: 0;
  color: var(--gray-700);
  font-size: 13px
}

.company-strip .cs-table .row dd {
  margin: 0;
  font-weight: 600
}

/* ---------- Contact CTA ---------- */
.contact-cta {
  background: var(--black);
  color: var(--white)
}

.contact-cta-inner {
  padding-top: clamp(80px, 9vw, 140px);
  padding-bottom: clamp(80px, 9vw, 140px);
  text-align: left
}

.contact-cta .cc-eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .3em;
  font-weight: 700;
  color: rgba(255, 255, 255, .7)
}

.contact-cta h2 {
  font-family: var(--font-en);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: .02em;
  margin-top: 18px
}

.contact-cta .cc-jp {
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 600;
  margin-top: 22px;
  line-height: 1.9
}

.contact-cta .cc-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  margin-top: 14px;
  /* max-width: 560px */
}

.contact-cta .cc-cta {
  margin-top: 40px
}

/* ---------- Page head (inner pages) ---------- */
.page-head {
  /* border-top: 1px solid var(--line); */
  padding-top: clamp(40px, 5vw, 72px);
  padding-bottom: clamp(32px, 4vw, 56px)
}

.page-head .ph-eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: .28em;
  font-weight: 700;
  text-transform: uppercase
}

.page-head h1 {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  letter-spacing: .01em;
  margin-top: 16px;
  line-height: 1.2
}

.page-head .ph-desc {
  font-size: 15px;
  color: var(--gray-700);
  margin-top: 20px;
  /* max-width: 720px; */
  line-height: 2
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  font-size: 12px;
  color: var(--gray-700);
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light)
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px
}

.breadcrumb li+li::before {
  content: "/";
  color: var(--gray-300)
}

.breadcrumb a:hover {
  text-decoration: underline
}

.breadcrumb .current {
  color: var(--ink);
  font-weight: 600
}

/* ---------- Product detail ---------- */
.pd-layout {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start
}

.pd-gallery .pd-main {
  aspect-ratio: 1/1;
  border: 1px solid var(--line-light);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden
}

.pd-gallery .pd-main img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.pd-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 10px
}

.pd-thumbs button {
  aspect-ratio: 1/1;
  border: 1px solid var(--line-light);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: border-color .25s
}

.pd-thumbs button img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.pd-thumbs button.is-active {
  border-color: var(--black)
}

.pd-info .pd-cat {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray-500);
  text-transform: uppercase;
  font-family: var(--font-en);
  font-weight: 700
}

.pd-info h1 {
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 700;
  margin-top: 10px;
  line-height: 1.5
}

.pd-price {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  margin-top: 20px
}

.pd-price .tbd {
  font-weight: 400;
  font-size: 15px;
  color: var(--gray-500)
}

.pd-overview {
  font-size: 14.5px;
  line-height: 2;
  color: var(--gray-700);
  margin-top: 20px
}

.pd-form {
  margin-top: 28px;
  border-top: 1px solid var(--line-light);
  padding-top: 24px
}

.pd-qty {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px
}

.pd-qty label {
  font-size: 13px;
  font-weight: 600
}

.pd-qty select {
  border: 1px solid var(--gray-300);
  padding: 10px 14px;
  font-size: 14px;
  background: var(--white);
  font-family: inherit
}

.pd-stock {
  font-size: 13px;
  margin-bottom: 20px
}

.pd-stock .in {
  color: var(--black);
  font-weight: 600
}

.pd-stock .tbd {
  color: var(--gray-500)
}

.pd-links {
  display: flex;
  gap: 24px;
  margin-top: 18px;
  flex-wrap: wrap
}

.pd-links a {
  font-size: 13px;
  border-bottom: 1px solid var(--gray-300);
  padding-bottom: 2px;
  transition: border-color .25s
}

.pd-links a:hover {
  border-color: var(--black)
}

.pd-note {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 16px;
  line-height: 1.8
}

.pd-section {
  margin-top: clamp(40px, 8vw, 100px)
}

.pd-section h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-bottom: 28px
}

.pd-section .cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center
}

.pd-section .cols.reverse .col-img {
  order: 2
}

.pd-section .col-img {
  /* border: 1px solid var(--line-light); */
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden
}

.pd-section .col-img img {
  width: 100%;
  height: 100%;
  object-fit: cover
}

.pd-section .col-txt p {
  font-size: 16px;
  line-height: 2;
  color: var(--gray-700)
}

.pd-spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-top: 8px
}

.pd-spec th,
.pd-spec td {
  border: 1px solid var(--line-light);
  padding: 14px 18px;
  text-align: left;
  vertical-align: top
}

.pd-spec th {
  background: var(--gray-50);
  font-weight: 600;
  width: 200px
}

.pd-caution {
  background: var(--gray-50);
  border: 1px solid var(--line-light);
  padding: clamp(20px, 2.6vw, 32px);
  font-size: 13.5px;
  line-height: 2
}

/* ---------- Article (news / column detail) ---------- */
.article {
  max-width: 820px;
  margin: 0 auto
}

.article-head {
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line)
}

.article-head .ah-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px
}

.article-head .ah-date {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--gray-700)
}

.article-head .ah-cat {
  font-size: 11px;
  letter-spacing: .1em;
  border: 1px solid var(--black);
  padding: 3px 12px
}

.article-head h1 {
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.5
}

.article-head .ah-lead {
  font-size: 15px;
  color: var(--gray-700);
  margin-top: 20px;
  line-height: 2
}

.article-body {
  padding-top: clamp(36px, 5vw, 56px)
}

.article-body h2 {
  font-size: clamp(20px, 2.4vw, 27px);
  margin: clamp(44px, 6vw, 64px) 0 20px;
  padding-top: 22px;
  border-top: 1px solid var(--line-light)
}

.article-body h3 {
  font-size: 18px;
  margin: 36px 0 14px
}

.article-body p {
  font-size: 15.5px;
  line-height: 2.05;
  margin: 0 0 24px
}

.article-body img {
  margin: clamp(24px, 4vw, 40px) 0
}

.article-body ul {
  margin: 0 0 24px;
  padding-left: 0
}

.article-body ul li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 2;
  margin-bottom: 8px
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 1em;
  width: 8px;
  height: 1px;
  background: var(--black)
}

.article-body .tbd {
  color: var(--gray-500)
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: clamp(48px, 6vw, 72px);
  border-top: 1px solid var(--line);
  padding-top: 24px
}

.article-nav a {
  font-size: 13.5px;
  font-weight: 600;
  padding: 14px 18px;
  border: 1px solid var(--line-light);
  transition: background .25s, border-color .25s
}

.article-nav a:hover {
  background: var(--gray-100);
  border-color: var(--black)
}

.article-nav .next {
  text-align: right
}

.article-back {
  margin-top: 24px;
  text-align: center
}

.article-back a {
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid var(--black);
  padding-bottom: 4px
}

/* ---------- Related products ---------- */
.related-products {
  margin-top: clamp(64px, 8vw, 110px)
}

.related-products h2 {
  font-size: clamp(20px, 2.4vw, 28px);
  border-top: 1px solid var(--line);
  padding-top: 22px;
  margin-bottom: 32px
}

/* ---------- Forms ---------- */
.form-wrap {
  /* max-width: 760px */
}

.form-field {
  margin-bottom: 30px
}

.form-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px
}

.form-field .req {
  display: inline-block;
  font-size: 10px;
  letter-spacing: .08em;
  border: 1px solid var(--black);
  padding: 1px 8px;
  margin-left: 8px;
  vertical-align: 2px;
  font-weight: 600
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  border: 1px solid var(--gray-300);
  background: var(--white);
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border-radius: 0;
  transition: border-color .25s;
  color: var(--ink)
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--black);
  outline: none
}

.form-field textarea {
  min-height: 180px;
  resize: vertical;
  line-height: 1.9
}

.form-field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--black) 50%), linear-gradient(135deg, var(--black) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 44px
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 8px 0 32px;
  font-size: 13.5px;
  line-height: 1.8
}

.form-consent input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  flex-shrink: 0;
  accent-color: var(--black)
}

.form-consent a {
  border-bottom: 1px solid var(--gray-300)
}

.form-note {
  font-size: 12.5px;
  color: var(--gray-500);
  margin-top: 20px;
  line-height: 1.9
}

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 20px
}

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px
}

.table th,
.table td {
  border: 1px solid var(--line-light);
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.8
}

.table th {
  background: var(--gray-50);
  font-weight: 600;
  white-space: nowrap
}

.table .tbd {
  color: var(--gray-500)
}

/* ---------- Company page ---------- */
.msg-block {
  border-top: 1px solid var(--line);
  padding-top: clamp(32px, 4vw, 48px)
}

.msg-block blockquote {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.8;
  letter-spacing: .02em
}

.msg-block .msg-sig {
  margin-top: 28px;
  font-size: 14px;
  color: var(--gray-700)
}

/* .strength-list {
  border-top: 1px solid var(--line)
} */

.strength-item {
  padding: clamp(28px, 3.6vw, 48px) 0;
  border-bottom: 1px solid var(--line-light);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: start
}

.strength-item .st-en {
  font-family: var(--font-en);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: .02em
}

.strength-item .st-jp {
  font-size: 14.5px;
  line-height: 2;
  color: var(--gray-700);
  max-width: 640px
}

.strength-item .st-jp strong {
  color: var(--ink);
  font-weight: 700
}

/* ---------- Privacy Policy ---------- */
.privacy-policy {
  /* max-width: 820px; */
  margin: 0;
}

.privacy-policy p:has(+ h2) {
  margin-bottom: 50px;
}

.privacy-policy h2 {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.privacy-policy p:has(+ h2) {
  margin-bottom: 50px;
}

.privacy-policy-note {
  margin-top: 20px;
  color: var(--gray-700);
}

@media (max-width: 1024px) {

  .privacy-policy p:has(+ h2) {
    margin-bottom: 40px;
  }

  .privacy-policy h2 {
    font-size: 20px;
  }

}

/* ---------- Sitemap ---------- */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(28px, 4vw, 56px)
}

.sitemap-col h2 {
  font-size: 15px;
  font-weight: 700;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-bottom: 8px
}

.sitemap-col ul li {
  border-bottom: 1px solid var(--line-light)
}

.sitemap-col ul a {
  display: block;
  padding: 12px 4px;
  font-size: 14px;
  transition: padding-left .25s
}

.sitemap-col ul a:hover {
  padding-left: 10px;
  text-decoration: underline
}

.sitemap-col ul .sub {
  padding-left: 20px;
  font-size: 13px;
  color: var(--gray-700)
}

/* ---------- Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease
}

[data-reveal].is-in {
  opacity: 1;
  transform: none
}

@media (prefers-reduced-motion:reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none
  }

  html {
    scroll-behavior: auto
  }
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 20px);
  background: var(--black);
  color: var(--white);
  padding: 14px 26px;
  font-size: 13.5px;
  letter-spacing: .04em;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 200;
  max-width: 90vw;
  text-align: center
}

.toast.is-show {
  opacity: 1;
  transform: translate(-50%, 0)
}

/* ---------- Responsive ---------- */
@media (max-width:1024px) {
  .flow-row {
    grid-template-columns: repeat(3, 1fr)
  }

  .flow-step:nth-child(3n) {
    border-right: none
  }

  .flow-step:nth-child(3) .fs-arrow,
  .flow-step:nth-child(6) .fs-arrow {
    display: none
  }

  .guide-grid {
    grid-template-columns: repeat(2, 1fr)
  }

  .sitemap-grid {
    grid-template-columns: repeat(2, 1fr)
  }

  .pickup-grid {
    grid-template-columns: repeat(1, 1fr)
  }

  .pickup-item {
    flex-direction: column;
    grid-template-columns: 1fr
  }

  .pickup-item+.pickup-item {
    border-left: none;
    border-top: 1px solid var(--line-light)
  }

  .pickup-item .pu-img {
    width: 100%;
  }

  .pickup-item .pu-img img {
    width: 80%;
  }

  .pd-layout {
    grid-template-columns: 1fr;
    gap: 40px
  }

  .pd-section .cols {
    grid-template-columns: 1fr
  }

  .pd-section .cols.reverse .col-img {
    order: 0
  }

  .strength-item {
    grid-template-columns: 1fr;
    gap: 12px
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px
  }

  .biz-grid {
    grid-template-columns: 1fr;
    gap: 40px
  }

  .column-wrap {
    grid-template-columns: 1fr
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px
  }

  .hero-visual {
    max-width: 560px
  }
}

@media (max-width:768px) {
  :root {
    --header-h: 60px
  }

  .site-nav {
    display: none
  }

  .menu-toggle {
    display: block
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px
  }

  .product-grid .col-span-2 {
    grid-column: span 1
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 20px 4px
  }

  .news-item .cat {
    justify-self: start
  }

  .news-item .arr {
    display: none
  }

  .column-item {
    grid-template-columns: 110px 1fr;
    gap: 16px
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 40px
  }

  .company-strip-inner {
    grid-template-columns: 1fr;
    gap: 24px
  }

  .article-nav {
    grid-template-columns: 1fr
  }

  .article-nav .next {
    text-align: left
  }

  .flow-row {
    grid-template-columns: 1fr
  }

  .flow-step {
    border-right: none;
    border-bottom: 1px solid var(--line-light)
  }

  .flow-step:last-child {
    border-bottom: none
  }

  .flow-step .fs-arrow {
    display: none
  }

  .sitemap-grid {
    grid-template-columns: 1fr
  }

  .hero-title {
    font-size: clamp(34px, 9vw, 46px)
  }

  .hero-title .jp {
    font-size: 18px
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center
  }

  .about-strip-inner {
    flex-direction: column;
    align-items: flex-start
  }

  .pd-thumbs {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px
  }

  .lead {
    font-size: 16px;
  }
}

@media (max-width:480px) {
  .product-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px
  }

  .pc-name {
    font-size: 13.5px
  }

  .pc-price {
    font-size: 13px
  }

  .column-item {
    grid-template-columns: 1fr;
    gap: 12px
  }

  .column-item .ci-img {
    aspect-ratio: 16/10
  }

  .guide-grid {
    grid-template-columns: 1fr
  }

  .sec-head .sec-link {
    margin-top: 8px
  }
}

/* ---------- Extras: category filter / related grid / page-head in container ---------- */
.cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(28px, 4vw, 48px)
}

.cat-chip {
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--ink);
  padding: 9px 22px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: all .25s
}

.cat-chip:hover {
  border-color: var(--black)
}

.cat-chip.is-active {
  background: var(--black);
  color: var(--white);
  border-color: var(--black)
}

.related-grid {
  grid-template-columns: repeat(3, 1fr)
}

@media (max-width:768px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr)
  }
}

.pd-section h2,
.related-products h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
  padding-top: 30px;
  margin-bottom: 28px
}

.related-products h2 {
  font-size: clamp(20px, 2.4vw, 28px)
}

/* ---------- 事業・会社ページ用写真レイアウト ---------- */
.msg-grid {
  display: grid;
  grid-template-columns: 0.75fr 1fr;
  gap: clamp(32px, 5vw, 40px);
  align-items: center
}

.msg-img {
  /* border: 1px solid var(--line-light); */
  overflow: hidden;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center
}

.msg-img img {
  width: 80%;
  aspect-ratio: 1 / 1;
  object-fit: cover
}

.page-photo {
  max-width: 1200px;
  text-align: center;
  margin: 0 auto;
  background: var(--gray-50);
  /* border: 1px solid var(--line-light); */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: clamp(40px, 5vw, 64px)
}

.page-photo img {
  width: 100%;
  max-height: 440px;
  object-fit: cover
}

@media (max-width:768px) {
  .msg-grid {
    grid-template-columns: 1fr
  }

  .page-photo img {
    aspect-ratio: 4 / 3;
  }

  .lead.business-lead {
    text-align: left;
  }
}

.flex_box {
  display: flex;
  gap: 40px;
}

.flex_box.wrap {
  flex-wrap: wrap;
}

.flex_box.column {
  flex-direction: column;
}

@media screen and (max-width: 1120px) {
  .flex_box {
    flex-direction: column-reverse;
  }
}