@charset "UTF-8";

:root {
  --c-navy-deep: #2d6196;
  --c-navy:      #2d4a5e;
  --c-blue-mid:  #3d8fb8;
  --c-blue-light:#91c8da;
  --c-orange:    #f47b49;
  --c-coral:     #e8553d;
  --c-bg:        #ffffff;
  --c-bg-soft:   #f7f9fb;
  --c-line:      #e3e8ed;
  --c-text:      #2c2c2c;
  --c-text-sub:  #666;

  --font-display: "Noto Serif JP", "ヒラギノ明朝 ProN", "Yu Mincho", serif;
  --font-body:    "Yu Gothic", "游ゴシック", "Noto Sans JP", "ヒラギノ角ゴ ProN", sans-serif;

  --grad-band: linear-gradient(90deg,
    var(--c-navy-deep) 0%,
    var(--c-blue-mid) 30%,
    var(--c-blue-light) 55%,
    var(--c-orange) 82%,
    var(--c-coral) 100%);

  --container: 1180px;
  --header-h:  84px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}
img { max-width: 100%; display: block; }
a { color: var(--c-navy-deep); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--c-coral); }
ul { list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ ヘッダー（固定表示） ============ */
.site-header {
  position: sticky;
  top: 0;
  margin-top: 44px;
  z-index: 9999;
  background: #ffffff;
  border-bottom: 1px solid var(--c-line);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  padding-top: env(safe-area-inset-top, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  max-width: var(--container);
  margin: 0 auto;
  padding: 8px 24px;
}
.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.site-brand-logo {
  width: 52px;
  height: 52px;
  background-image: url('../images/logo.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.site-brand-text { line-height: 1.2; }
.site-brand-jp {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
  letter-spacing: 0.08em;
}
.site-brand-en {
  font-size: 10px;
  color: var(--c-blue-mid);
  letter-spacing: 0.22em;
  margin-top: 2px;
}

.site-nav { display: flex; align-items: center; }
.site-nav-list {
  display: flex;
  gap: 4px;
  align-items: center;
}
.site-nav-list a {
  display: inline-block;
  padding: 10px 18px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--c-text);
  font-weight: 500;
  position: relative;
}
.site-nav-list a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 2px;
  background: var(--c-coral);
  transform: scaleX(0);
  transition: transform .25s ease;
  transform-origin: left;
}
.site-nav-list a:hover::after,
.site-nav-list a.current::after { transform: scaleX(1); }
.site-nav-list a.contact-btn {
  background: var(--c-coral);
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  margin-left: 8px;
}
.site-nav-list a.contact-btn::after { display: none; }
.site-nav-list a.contact-btn:hover { background: var(--c-orange); color: #fff; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--c-navy-deep);
  transition: transform .25s ease, top .25s ease;
}
.nav-toggle span { top: 50%; transform: translateY(-50%); }
.nav-toggle span::before { content: ""; top: -8px; }
.nav-toggle span::after { content: ""; top: 8px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* ============ ヒーロー（トップ） ============ */
.hero {
  position: relative;
  z-index: 1;
  height: 540px;
  background:
    linear-gradient(180deg, rgba(45,74,94,0.25) 0%, rgba(45,74,94,0) 50%, rgba(255,255,255,0.4) 100%),
    url('../images/cover_fish.jpg') center 40% / cover no-repeat;
  display: flex;
  align-items: center;
}
.hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 6px;
  background: var(--grad-band);
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  color: #fff;
  width: 100%;
}
.hero-tag {
  font-size: 12px;
  letter-spacing: 0.32em;
  margin-bottom: 18px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.hero-tag::before {
  content: "";
  display: inline-block;
  width: 36px;
  height: 2px;
  background: var(--c-coral);
  vertical-align: middle;
  margin-right: 12px;
  margin-top: -3px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-shadow: 0 3px 14px rgba(0,0,0,0.45);
  margin-bottom: 12px;
}
.hero-sub {
  font-size: clamp(13px, 1.4vw, 16px);
  letter-spacing: 0.1em;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
  max-width: 600px;
  line-height: 1.9;
}

/* ============ 共通：ページタイトル（下層ページ） ============ */
.page-hero {
  position: relative;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(45,97,150,0.55), rgba(45,74,94,0.45)),
    url('../images/cover_fish.jpg') center 40% / cover no-repeat;
  padding: 70px 0 64px;
  color: #fff;
  text-align: center;
  border-bottom: 6px solid transparent;
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 6px;
  background: var(--grad-band);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 6px;
}
.page-hero .en {
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--c-blue-light);
}

/* ============ セクション共通 ============ */
.section { padding: 84px 0; }
.section.alt { background: var(--c-bg-soft); }
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .en {
  display: block;
  color: var(--c-blue-mid);
  font-size: 11px;
  letter-spacing: 0.4em;
  margin-bottom: 8px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--c-navy-deep);
  letter-spacing: 0.15em;
  font-weight: 600;
  position: relative;
  display: inline-block;
  padding-bottom: 14px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  height: 3px;
  background: var(--c-coral);
}

/* ============ トップ：ごあいさつ抜粋 ============ */
.greeting-excerpt {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.greeting-excerpt .text {
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.05em;
}
.greeting-excerpt .text .tagline {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--c-navy-deep);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
  line-height: 1.5;
}
.greeting-excerpt .text p + p { margin-top: 1em; }
.greeting-excerpt .visual {
  aspect-ratio: 4 / 3;
  background: var(--c-bg-soft) url('../images/compass_map.jpg') center / cover no-repeat;
  border-radius: 6px;
}

/* ============ トップ：CTAバナー（会社案内・事業案内） ============ */
.cta-banners {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 60px;
}
.cta-banner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px 36px;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.12em;
  font-weight: 600;
  font-size: 17px;
  overflow: hidden;
  min-height: 120px;
  isolation: isolate;
  transition: transform .25s ease, box-shadow .25s ease;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: -2;
}
.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(45,97,150,0.85) 0%, rgba(45,74,94,0.7) 100%);
  z-index: -1;
  transition: background .25s ease;
}
.cta-banner.cta-about::before {
  background-image: url('../images/cover_fish.jpg');
  background-position: center 45%;
}
.cta-banner.cta-business::before {
  background-image: url('../images/compass_map.jpg');
}
.cta-banner.cta-business::after {
  background: linear-gradient(120deg, rgba(232,85,61,0.85) 0%, rgba(244,123,73,0.7) 100%);
}
.cta-banner:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(45,97,150,0.2);
  color: #fff;
}
.cta-banner:hover::after {
  background: linear-gradient(120deg, rgba(45,97,150,0.7) 0%, rgba(45,74,94,0.55) 100%);
}
.cta-banner.cta-business:hover::after {
  background: linear-gradient(120deg, rgba(232,85,61,0.7) 0%, rgba(244,123,73,0.55) 100%);
}
.cta-banner-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.4;
}
.cta-banner-text .sub {
  font-size: 11px;
  letter-spacing: 0.3em;
  opacity: 0.8;
  font-weight: 500;
}
.cta-banner-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.6);
  display: grid;
  place-items: center;
  font-size: 18px;
  transition: transform .25s ease, background .25s ease;
}
.cta-banner:hover .cta-banner-arrow {
  background: rgba(255,255,255,0.18);
  transform: translateX(4px);
}

/* ============ トップ：最新情報 ============ */
.news-list {
  max-width: 880px;
  margin: 0 auto;
}
.news-item {
  display: grid;
  grid-template-columns: 130px 110px 1fr;
  gap: 24px;
  padding: 20px 8px;
  border-bottom: 1px dashed var(--c-line);
  align-items: baseline;
  font-size: 14px;
}
.news-item .date {
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.news-item .cat {
  display: inline-block;
  width: 90px;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.15em;
  padding: 4px 0;
  color: #fff;
  background: var(--c-blue-mid);
  border-radius: 2px;
}
.news-item .cat.info { background: var(--c-blue-mid); }
.news-item .cat.product { background: var(--c-coral); }
.news-item .cat.notice { background: var(--c-orange); }
.news-item .title { color: var(--c-text); }

/* ============ トップ：商品カテゴリ ============ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.category-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(45,97,150,0.12);
}
.category-card .thumb {
  aspect-ratio: 1 / 1;
  background-size: cover;
  background-position: center;
  background-color: var(--c-bg-soft);
}
.category-card .body {
  padding: 16px 10px 20px;
}
.category-card .body h3 {
  font-size: 15px;
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.category-card .body .en {
  font-size: 10px;
  color: var(--c-blue-mid);
  letter-spacing: 0.25em;
}

/* ============ about ============ */
.about-greeting {
  max-width: 920px;
  margin: 0 auto;
}
.about-greeting .tagline {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--c-navy-deep);
  letter-spacing: 0.12em;
  text-align: center;
  margin-bottom: 36px;
  line-height: 1.6;
}
.about-greeting p {
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.05em;
}
.about-greeting p + p { margin-top: 1.2em; }
.about-greeting .signature {
  margin-top: 36px;
  text-align: right;
  line-height: 1.7;
}
.about-greeting .signature .role {
  font-size: 12px;
  color: var(--c-text-sub);
  letter-spacing: 0.2em;
}
.about-greeting .signature .name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--c-navy);
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-top: 6px;
}
.about-compass {
  margin: 48px auto 0;
  max-width: 920px;
  aspect-ratio: 16 / 9;
  background: var(--c-bg-soft) url('../images/compass_map.jpg') center / cover no-repeat;
  border-radius: 4px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 36px;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.info-table tr {
  border-bottom: 1px dashed var(--c-line);
}
.info-table tr:last-child { border-bottom: none; }
.info-table th {
  width: 130px;
  padding: 16px 12px;
  text-align: left;
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.08em;
  vertical-align: top;
  white-space: nowrap;
}
.info-table td {
  padding: 16px 12px;
  vertical-align: top;
  line-height: 1.8;
}
.info-table .role-line {
  display: flex;
  gap: 16px;
}
.info-table .role-line + .role-line { margin-top: 4px; }
.info-table .role-label {
  color: var(--c-text-sub);
  font-size: 12px;
  min-width: 78px;
  padding-top: 2px;
  letter-spacing: 0.06em;
}
.info-table .url-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.info-table .url-line img {
  width: 64px;
  height: 64px;
}
.info-table a { color: var(--c-blue-mid); }
.address-link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted var(--c-blue-mid);
  padding-bottom: 1px;
  transition: color .2s ease, border-color .2s ease;
  display: inline;
}
.address-link:hover,
.address-link:focus {
  color: var(--c-blue-mid);
  border-bottom-style: solid;
}
.address-link .address-link-icon {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.85em;
  color: var(--c-blue-mid);
  vertical-align: 1px;
}
.map-box {
  border: 1px solid var(--c-line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--c-bg-soft);
}
.map-box-head {
  background: var(--c-navy-deep);
  color: #fff;
  padding: 8px 14px;
  font-size: 11px;
  letter-spacing: 0.15em;
}
.map-iframe {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: var(--c-bg-soft);
}
.map-iframe iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.history-list {
  max-width: 880px;
  margin: 0 auto;
}
.history-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 16px 8px;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
  line-height: 1.8;
}
.history-list li:last-child { border-bottom: none; }
.history-year {
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ============ business ============ */
.network-block {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 28px;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.net-side-label {
  font-size: 12px;
  color: var(--c-coral);
  letter-spacing: 0.22em;
  font-weight: 700;
  text-align: center;
  padding: 6px 0;
  border-bottom: 2px solid var(--c-coral);
  width: fit-content;
  margin: 0 auto 18px;
}
.net-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.net-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 2px 6px rgba(45,97,150,0.06);
}
.net-side.right .net-card { flex-direction: row-reverse; }
.net-icon {
  width: 64px;
  height: 64px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}
.net-card-body { flex: 1; }
.net-card-jp {
  font-size: 16px;
  color: var(--c-navy-deep);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.net-card-desc {
  font-size: 12px;
  color: var(--c-text-sub);
  line-height: 1.65;
}
.pond-wrap {
  text-align: center;
  padding: 20px 0;
}
.pond-logo {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1 / 1;
  margin: 0 auto;
  background: url('../images/logo_jun.png') center / contain no-repeat;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
}
.flow-step {
  background: #fff;
  border: 1.5px solid var(--c-blue-mid);
  border-radius: 12px;
  padding: 36px 14px 20px;
  text-align: center;
  position: relative;
  min-height: 220px;
}
.flow-step.loop {
  border-color: var(--c-coral);
  background: #fff5f1;
}
.flow-step .num {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-blue-light), var(--c-navy-deep));
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 14px;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(45,97,150,0.25);
}
.flow-step.loop .num {
  background: linear-gradient(135deg, var(--c-orange), var(--c-coral));
}
.flow-step .icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 10px;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
}
.flow-step .label {
  font-size: 14px;
  font-weight: 700;
  color: var(--c-navy-deep);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  line-height: 1.4;
}
.flow-step.loop .label { color: var(--c-coral); }
.flow-step .desc {
  font-size: 12px;
  color: var(--c-text-sub);
  line-height: 1.65;
}
.loop-note {
  max-width: 1100px;
  margin: 24px auto 0;
  text-align: center;
  color: var(--c-coral);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ============ products ============ */
.category-section + .category-section { margin-top: 64px; }
.category-section {
  scroll-margin-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 20px);
}

/* ===== カテゴリナビゲーションバナー（左：画像／右：グラデーション） ===== */
.category-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: start;
  gap: 14px;
  margin-bottom: 64px;
}
.category-nav-item {
  display: flex;
  align-items: stretch;
  width: 100%;
  height: 80px;
  border: none;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  background: transparent;
  transition: filter .2s ease, transform .2s ease, box-shadow .2s ease;
}
.category-nav-item:hover,
.category-nav-item:focus {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(45,97,150,0.15);
}

/* 左エリア（40%）：商品画像そのまま＋右端を白にフェード */
.category-nav-img {
  width: 40%;
  height: 100%;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
  background-color: #ffffff;
  -webkit-mask-image: linear-gradient(to right, black 50%, transparent 100%);
          mask-image: linear-gradient(to right, black 50%, transparent 100%);
}

/* 区切り線は使わない */
.category-nav-divider { display: none; }

/* 右エリア（60%）：白→薄ブルー→薄コーラル、中央にラベル */
.category-nav-label {
  width: 60%;
  height: 100%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(to right, #ffffff, #d0eaf5, #fde8df);
  color: #2d6196;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  line-height: 1.3;
  padding: 0 12px;
}

/* 5番目のバナーは左揃え（中央寄せにしない） */
.category-nav-item:nth-child(5):last-child {
  margin-right: auto;
}
.category-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 4px;
}
.category-title .label {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--c-navy-deep);
  letter-spacing: 0.12em;
  font-weight: 600;
  padding-left: 14px;
  border-left: 4px solid var(--c-coral);
}
.category-title .line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--c-blue-mid), var(--c-blue-light) 50%, transparent);
}

/* ===== 商品カード（PDF風：上に大きなメイン写真、下に商品情報＋規格表＋小袋写真） ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(45,97,150,0.12);
}

/* メイン写真（16:9・枠いっぱいに表示） */
.product-card .main-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #1a1a1a;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}
.product-marks {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  gap: 8px;
  z-index: 2;
}
.origin-mark,
.storage-mark {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: 2px;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
}
.origin-mark { background: var(--c-coral); }
.origin-mark.overseas { background: var(--c-navy-deep); }
.storage-mark { background: var(--c-blue-mid); color: #fff; }
.storage-mark.chilled { background: #6cba8a; }
.storage-mark.normal  { background: var(--c-orange); }

/* 下部：商品情報 */
.product-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-name {
  font-family: var(--font-display);
  font-size: 19px;
  color: var(--c-navy);
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.4;
  margin-bottom: 8px;
}
.product-desc {
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-text-sub);
  margin-bottom: 14px;
}

/* 規格表 ＋ 袋写真（右下） */
.spec-and-package {
  display: grid;
  grid-template-columns: 1fr 110px;
  gap: 12px;
  align-items: stretch;
  margin-top: auto;
}
.product-spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  background: var(--c-bg-soft);
  border-radius: 4px;
  overflow: hidden;
}
.product-spec th,
.product-spec td {
  padding: 7px 10px;
  border-bottom: 1px solid #ecefe3;
  text-align: left;
  line-height: 1.5;
  vertical-align: top;
}
.product-spec th {
  width: 72px;
  color: var(--c-text-sub);
  font-weight: 500;
  background: #efe9d9;
  white-space: nowrap;
  font-size: 11.5px;
}
.product-spec tr:last-child th,
.product-spec tr:last-child td { border-bottom: none; }

.package-photo {
  width: 110px;
  height: auto;
  min-height: 110px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: #fff;
  border-radius: 4px;
}
.package-photo.pending {
  display: grid;
  place-items: center;
  background: repeating-linear-gradient(45deg, #fff5f1 0 8px, #ffe9df 8px 16px);
  color: var(--c-coral);
  font-size: 9px;
  letter-spacing: 0.05em;
  border: 1px dashed var(--c-coral);
  text-align: center;
  padding: 4px;
}
.package-photo.pending::before {
  content: "画像調整中";
}

/* ============ contact ============ */
.contact-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.contact-lead {
  text-align: center;
  margin-bottom: 40px;
  font-size: 15px;
  line-height: 2;
}
.contact-info {
  background: var(--c-bg-soft);
  border-radius: 8px;
  padding: 28px 32px;
  margin-bottom: 40px;
  border-left: 4px solid var(--c-navy-deep);
}
.contact-info dl {
  display: grid;
  grid-template-columns: 110px 1fr;
  row-gap: 10px;
  font-size: 14px;
}
.contact-info dt {
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.contact-form {
  display: grid;
  gap: 22px;
}
.form-field label {
  display: block;
  font-size: 13px;
  color: var(--c-navy-deep);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.form-field .required {
  display: inline-block;
  background: var(--c-coral);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 0.1em;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
  background: #fff;
  transition: border-color .2s ease;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--c-blue-mid);
  box-shadow: 0 0 0 3px rgba(61,143,184,0.15);
}
.form-field textarea {
  min-height: 160px;
  resize: vertical;
}
.form-submit {
  text-align: center;
  margin-top: 14px;
}
.form-submit button {
  background: var(--c-navy-deep);
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.2em;
  border: none;
  border-radius: 999px;
  padding: 16px 56px;
  cursor: pointer;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}
.form-submit button:hover {
  background: var(--c-coral);
  transform: translateY(-1px);
}

/* ============ フッター ============ */
.site-footer {
  background: var(--c-navy);
  color: #cfd9e1;
  padding: 56px 0 0;
  margin-top: 80px;
  /* iOS のホームバー領域を確保 */
  padding-bottom: env(safe-area-inset-bottom, 0px);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}
.site-footer .accent-band {
  height: 5px;
  background: var(--grad-band);
  margin-top: -56px;
  margin-bottom: 56px;
}
.site-footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
}
.site-footer-brand .brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.site-footer-brand .logo {
  width: 56px;
  height: 56px;
  background: url('../images/logo.png') center / contain no-repeat;
  filter: brightness(1.4);
}
.site-footer-brand .name {
  font-family: var(--font-display);
  font-size: 20px;
  color: #fff;
  letter-spacing: 0.08em;
}
.site-footer-brand .en {
  font-size: 11px;
  color: var(--c-blue-light);
  letter-spacing: 0.22em;
  margin-top: 2px;
}
.site-footer-brand p {
  font-size: 13px;
  line-height: 1.9;
  color: #b6c2cc;
}
.site-footer h4 {
  display: inline-block;
  font-size: 13px;
  color: #fff;
  letter-spacing: 0.15em;
  margin-bottom: 18px;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}
.site-footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--c-coral);
}
.site-footer ul li {
  margin-bottom: 8px;
}
.site-footer ul a {
  color: #cfd9e1;
  font-size: 13px;
  letter-spacing: 0.06em;
}
.site-footer ul a:hover { color: var(--c-orange); }
.site-footer .copyright {
  margin-top: 48px;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #8c9aa5;
}

/* ============ レスポンシブ ============ */
@media (max-width: 960px) {
  .greeting-excerpt { grid-template-columns: 1fr; gap: 32px; }
  .cta-banners { gap: 16px; margin-top: 48px; }
  .cta-banner { padding: 24px 26px; font-size: 15px; min-height: 100px; }
  .info-grid { grid-template-columns: 1fr; gap: 24px; }
  .network-block { grid-template-columns: 1fr; gap: 28px; }
  .pond-wrap { order: -1; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .site-footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .cta-banners { grid-template-columns: 1fr; gap: 14px; margin-top: 40px; }
  .cta-banner { padding: 22px 22px; min-height: 88px; }
  .cta-banner-arrow { width: 38px; height: 38px; font-size: 16px; }
  .site-brand-logo { width: 40px; height: 40px; }
  .site-brand-jp { font-size: 16px; }
  .site-brand-en { font-size: 9px; }

  .nav-toggle { display: block; }
  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
    left: 0; right: 0;
    background: #fff;
    border-top: 1px solid var(--c-line);
    transform: translateY(-110%);
    transition: transform .25s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 16px 24px;
  }
  .site-nav-list a {
    padding: 16px 12px;
    border-bottom: 1px dashed var(--c-line);
  }
  .site-nav-list a::after { display: none; }
  .site-nav-list a.contact-btn {
    margin: 16px 12px 0;
    text-align: center;
  }

  .hero { height: 420px; }
  .section { padding: 60px 0; }

  .news-item { grid-template-columns: 1fr; gap: 4px; padding: 14px 6px; }
  .news-item .cat { width: fit-content; padding: 4px 10px; }

  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; gap: 18px; }
  .product-body { padding: 18px 18px 20px; }
  .product-name { font-size: 17px; }

  .category-nav { grid-template-columns: 1fr; gap: 10px; margin-bottom: 40px; }
  .category-nav-item { height: 72px; }
  .category-nav-label { font-size: 1rem; padding: 0 10px; letter-spacing: 0.06em; }
  .category-nav-item:nth-child(5):last-child { margin-right: 0; }

  .info-table th { width: 100px; padding: 12px 8px; font-size: 13px; }
  .info-table td { padding: 12px 8px; font-size: 13px; }
  .history-list li { grid-template-columns: 1fr; gap: 4px; }

  .flow-grid { grid-template-columns: 1fr 1fr; gap: 24px 14px; }
  .flow-step { min-height: auto; padding: 32px 12px 18px; }

  .site-footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .contact-info { padding: 22px; }
  .contact-info dl { grid-template-columns: 1fr; row-gap: 2px; }
  .contact-info dt { margin-top: 8px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr 1fr; }
  .spec-and-package { grid-template-columns: 1fr 90px; gap: 8px; }
  .package-photo { width: 90px; min-height: 90px; }
}