/* ============================================
   _0002_lower - ラウシップ 下層ページ共通CSS
   対象: about.html / partners.html / contact.html
   Base: _0001_top と同一のデザイントークン
   ============================================ */

:root {
  --c-primary: #0F2C5F;
  --c-primary-deep: #04102A;
  --c-primary-mid: #08193A;
  --c-primary-light: #5C7BAF;
  --c-accent: #C9A961;
  --c-accent-light: #DEC58F;
  --c-forest: #3D5B4A;
  --c-forest-deep: #2A4234;
  --c-forest-light: #6B8C7A;
  --c-white: #FCFCFC;
  --c-gray-100: #F5F5F5;
  --c-gray-300: #D4D4D4;
  --c-gray-500: #737373;
  --c-gray-700: #404040;
  --c-gray-900: #171717;
  --c-error: #B83A3A;

  --r-s: 4px;
  --r-m: 4px;
  --r-l: 4px;

  --ff-jp: "Noto Sans JP", sans-serif;
  --ff-jp-serif: "Noto Serif JP", serif;
  --ff-en: "Cormorant Garamond", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-jp);
  font-weight: 400;
  color: var(--c-gray-900);
  line-height: 1.8;
  letter-spacing: 0.04em;
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: 760px; }

/* ===== Header (共通・_0001_top と同一) ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(15, 44, 95, 0.92);
  backdrop-filter: blur(8px);
  color: var(--c-white);
  padding: 14px 32px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: 1600px;
  margin: 0 auto;
}
.logo { display: flex; align-items: center; }
.logo img { height: 38px; width: auto; display: block; }
.global-nav ul { display: flex; gap: 28px; }
.global-nav a {
  font-family: var(--ff-en);
  font-size: 14px; letter-spacing: 0.15em;
  transition: opacity 0.3s;
}
.global-nav a:hover,
.global-nav a.is-current { opacity: 0.6; }
.global-nav a.is-current { color: var(--c-accent-light); opacity: 1; }
.header-cta { display: flex; gap: 8px; }
.cta-btn {
  display: inline-block;
  padding: 12px 24px;
  font-size: 13px; font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s;
}
.cta-btn--primary { background: var(--c-accent); color: var(--c-white); }
.cta-btn--outline {
  background: transparent; color: var(--c-white);
  border: 1px solid rgba(252, 252, 252, 0.6);
}
.cta-btn:hover { opacity: 0.85; }
.hamburger { display: none; }

/* ===== Page Hero (下層ページ上部) ===== */
.page-hero {
  position: relative;
  background: linear-gradient(180deg, #0F2C5F 0%, #08193A 60%, #04102A 100%);
  color: var(--c-white);
  padding: 160px 0 90px;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 25% 30%, rgba(92, 123, 175, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse at 78% 80%, rgba(201, 169, 97, 0.10) 0%, transparent 55%);
  pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-size: 12px;
  color: rgba(252, 252, 252, 0.6);
  margin-bottom: 28px;
}
.breadcrumb a { transition: opacity 0.3s; }
.breadcrumb a:hover { opacity: 0.6; }
.breadcrumb span.sep { color: rgba(252, 252, 252, 0.35); }
.page-hero-eyebrow {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--c-accent-light);
  margin-bottom: 12px;
}
.page-hero-title {
  font-family: var(--ff-jp-serif);
  font-size: clamp(30px, 4.5vw, 52px);
  font-weight: 500; line-height: 1.4;
  letter-spacing: 0.06em;
}
.page-hero-lead {
  margin-top: 24px;
  font-size: 15px;
  color: rgba(252, 252, 252, 0.82);
  max-width: 640px;
  line-height: 2;
}
.page-hero-wave {
  position: absolute; left: 0; right: 0; bottom: -1px;
  width: 100%; height: 56px; z-index: 2;
}
/* page-hero 水の泡(下層ページ共通) */
.page-hero-bubbles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.page-hero .bubble { animation-name: phBubbleRise; }
@keyframes phBubbleRise {
  0%   { transform: translate(0, 0); opacity: 0; }
  14%  { opacity: 0.5; }
  82%  { opacity: 0.38; }
  100% { transform: translate(var(--drift), -80vh); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .page-hero .bubble { animation: none; opacity: 0.28; }
}

/* ===== Section Common ===== */
.sec { padding: 110px 0; }
.sec--gray { background: var(--c-gray-100); }
.sec--forest-tint { background: linear-gradient(180deg, var(--c-white) 0%, #F5F7F5 100%); }
.section-eyebrow {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--ff-jp-serif);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 500; line-height: 1.45;
  letter-spacing: 0.05em;
  margin-bottom: 48px;
  color: var(--c-primary);
}
.ttl-gold { color: #DEC58F; font-weight: bold; }
.sp-br { display: none; }
.section-lead {
  font-size: 16px; color: var(--c-gray-700);
  line-height: 2; margin-bottom: 48px;
}
.section-cta { margin-top: 56px; text-align: center; }
.link-arrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--ff-en);
  font-size: 14px; letter-spacing: 0.15em;
  color: var(--c-primary);
  border-bottom: 1px solid var(--c-primary);
  padding-bottom: 4px;
  transition: gap 0.3s;
}
.link-arrow:hover { gap: 20px; }

/* ===== Button ===== */
.c-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  padding: 18px 36px;
  font-family: var(--ff-jp);
  font-size: 15px; font-weight: 500;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.3s;
}
.c-btn--primary { background: var(--c-accent); color: var(--c-white); border: none; }
.c-btn--outline {
  background: transparent; color: var(--c-primary);
  border: 1px solid var(--c-primary);
}
.c-btn:hover { opacity: 0.85; transform: translateY(-2px); }
.c-btn-arrow { font-family: var(--ff-en); font-size: 18px; }

/* ============================================
   ABOUT ページ
   ============================================ */

/* ブランドストーリー */
.about-story-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 72px;
  align-items: start;
}
.about-story-text p { font-size: 16px; color: var(--c-gray-700); line-height: 2.05; }
.about-story-text p + p { margin-top: 1.4em; }
.about-story-statement {
  font-family: var(--ff-jp-serif);
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--c-primary);
  line-height: 1.8; letter-spacing: 0.06em;
  margin-bottom: 32px;
}
.about-story-img {
  aspect-ratio: 4 / 5;
  background: var(--c-gray-100);
  overflow: hidden; position: relative;
}
.about-story-img img { width: 100%; height: 100%; object-fit: cover; }
.about-story-img figcaption {
  position: absolute; left: 0; bottom: 0;
  background: rgba(4, 16, 42, 0.78);
  color: var(--c-white);
  font-size: 11px; letter-spacing: 0.1em;
  padding: 8px 14px;
}

/* 深海(海洋深層水) */
.about-depth {
  background: var(--c-primary-deep);
  color: var(--c-white);
  padding: 80px 64px;
  position: relative; overflow: hidden;
}
.about-depth-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.about-depth-label {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--c-accent); margin-bottom: 16px;
}
.about-depth-title {
  font-family: var(--ff-jp-serif);
  font-size: 26px; line-height: 1.6; margin-bottom: 24px;
}
.about-depth-text {
  font-size: 14px; color: rgba(252, 252, 252, 0.82);
  line-height: 2;
}
.about-depth-text + .about-depth-text { margin-top: 1.2em; }
.about-depth-scale {
  display: flex; flex-direction: column; gap: 4px;
  align-items: center; justify-content: center;
}
.cliff-section { width: 100%; max-width: 230px; height: auto; display: block; }
.cliff-note {
  margin-top: 14px;
  font-size: 12px; line-height: 1.8;
  color: rgba(252, 252, 252, 0.62);
  text-align: center;
}
.about-depth-num {
  font-family: var(--ff-en);
  font-size: 120px; font-weight: 500;
  color: var(--c-accent); line-height: 1;
}
.about-depth-num small { font-size: 28px; color: var(--c-accent-light); }
.about-depth-cap {
  font-size: 12px; letter-spacing: 0.15em;
  color: rgba(252, 252, 252, 0.7); margin-top: 12px;
}
.about-facts {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.about-fact {
  border-top: 2px solid var(--c-accent);
  padding-top: 20px;
}
.about-fact-num {
  font-family: var(--ff-jp-serif);
  font-size: 40px; color: var(--c-primary);
  line-height: 1.15;
}
.about-fact-num small { font-size: 18px; }
.about-fact-desc {
  font-size: 13px; color: var(--c-gray-500);
  margin-top: 8px; line-height: 1.7;
}
.about-depth-note {
  margin: 44px auto 0;
  max-width: 820px;
  font-size: 15px; color: var(--c-gray-700);
  line-height: 2; text-align: center;
}

/* 黄金比 (さらっと・控えめなレイアウト) */
.about-ratio {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 44px;
}
.ratio-block {
  padding: 24px 0 0;
  border-top: 1px solid var(--c-gray-300);
}
.ratio-percent {
  font-family: var(--ff-jp-serif);
  font-size: 32px; line-height: 1; font-weight: 500;
  margin-bottom: 8px;
}
.ratio-percent small { font-size: 0.56em; }
.ratio-block--90 .ratio-percent { color: var(--c-forest); }
.ratio-block--10 .ratio-percent { color: var(--c-accent); }
.ratio-name {
  font-family: var(--ff-jp-serif); font-size: 17px;
  margin-bottom: 12px; color: var(--c-primary);
}
.ratio-detail { font-size: 13px; line-height: 1.95; color: var(--c-gray-700); }

/* 安定供給 */
.about-supply {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 72px 64px;
  text-align: center;
  position: relative; overflow: hidden;
}
.about-supply::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 22% 28%, rgba(92, 123, 175, 0.32) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 72%, rgba(201, 169, 97, 0.14) 0%, transparent 60%);
}
.about-supply-inner { position: relative; z-index: 1; }
.about-supply-label {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--c-accent-light); margin-bottom: 20px;
}
.about-supply-headline {
  font-family: var(--ff-jp-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 500; line-height: 1.7; letter-spacing: 0.07em;
  margin-bottom: 24px;
}
.about-supply-text {
  font-size: 15px; color: rgba(252, 252, 252, 0.85);
  line-height: 2; max-width: 760px; margin: 0 auto;
}

/* 製造工程 */
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
  border-top: 3px solid var(--c-primary);
  overflow: hidden;
}
.process-step-body { padding: 36px 22px 32px; }
.process-step-num {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.2em;
  color: var(--c-accent); margin-bottom: 10px;
}
.process-step-name {
  font-family: var(--ff-jp-serif);
  font-size: 19px; color: var(--c-primary);
  margin-bottom: 10px;
}
.process-step-desc { font-size: 13px; color: var(--c-gray-500); line-height: 1.8; }
.process-note {
  margin-top: 32px; font-size: 13px;
  color: var(--c-gray-500); text-align: center;
}

/* 商品ラインナップ */
.product-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px; margin-bottom: 56px;
}
.product-card {
  border: 1px solid var(--c-gray-300);
  background: var(--c-white);
  display: flex; gap: 24px; align-items: center;
  padding: 28px;
}
.product-card-img {
  width: 130px; flex-shrink: 0;
  aspect-ratio: 1; background: var(--c-gray-100);
  overflow: hidden;
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-name {
  font-family: var(--ff-jp-serif);
  font-size: 20px; color: var(--c-primary); margin-bottom: 6px;
}
.product-card-cap { font-size: 13px; color: var(--c-gray-500); }
.product-card-tag {
  display: inline-block; margin-top: 10px;
  font-size: 11px; letter-spacing: 0.08em;
  background: var(--c-gray-100); color: var(--c-gray-700);
  padding: 3px 10px;
}

/* 栄養成分表 */
.nutrition {
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
}
.nutrition-head {
  background: var(--c-primary);
  color: var(--c-white);
  font-family: var(--ff-jp-serif);
  font-size: 15px; padding: 14px 24px;
  letter-spacing: 0.06em;
}
.nutrition-row {
  display: grid; grid-template-columns: 1fr auto;
  gap: 24px; padding: 14px 24px;
  border-bottom: 1px solid var(--c-gray-300);
  font-size: 14px;
}
.nutrition-row:last-child { border-bottom: none; }
.nutrition-row dt { color: var(--c-gray-700); }
.nutrition-row dd { font-family: var(--ff-en); color: var(--c-primary); font-size: 16px; }

/* ============================================
   PARTNERS ページ
   ============================================ */

/* パートナー戦略フロー */
.partner-flow {
  display: flex; align-items: stretch; justify-content: center;
  gap: 14px; flex-wrap: wrap;
}
.pflow-card {
  flex: 1 1 220px; max-width: 300px;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
  padding: 40px 26px;
  background: var(--c-gray-100);
  border: 1px solid var(--c-gray-300);
  border-radius: var(--r-m);
}
.pflow-card--brand  { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-white); }
.pflow-card--result { background: var(--c-accent);  border-color: var(--c-accent);  color: var(--c-white); }
.pflow-icon {
  display: flex; align-items: center; justify-content: center;
  width: 78px; height: 78px; border-radius: 50%;
  background: rgba(201, 169, 97, 0.14);
  color: var(--c-accent);
  margin-bottom: 20px;
}
.pflow-card--result .pflow-icon { background: rgba(255, 255, 255, 0.18); color: var(--c-white); }
.pflow-icon svg { width: 36px; height: 36px; }
/* ラウシップロゴのアイコンのみ: 背景なし・ロゴを大きく */
.pflow-card--brand .pflow-icon {
  background: none; width: auto; height: auto; border-radius: 0;
}
.pflow-card--brand .pflow-icon img { width: 126px; height: auto; }
.pflow-name {
  font-family: var(--ff-jp-serif);
  font-size: 17px; font-weight: 500; line-height: 1.5;
}
.pflow-name-sub {
  display: block; font-family: var(--ff-jp);
  font-size: 11px; letter-spacing: 0.08em;
  margin-top: 5px; opacity: 0.78;
}
.pflow-note {
  font-family: var(--ff-jp); font-size: 12px;
  margin-top: 10px; line-height: 1.7; opacity: 0.72;
}
.pflow-op {
  flex-shrink: 0; align-self: center;
  display: flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--c-accent); color: var(--c-white);
}
.pflow-op svg { width: 22px; height: 22px; }
@media (max-width: 860px) {
  .partner-flow { flex-direction: column; align-items: center; }
  .pflow-card { max-width: 420px; width: 100%; }
  .pflow-op--eq svg { transform: rotate(90deg); }
}

/* 2階層ラベル */
.tier-label {
  display: flex; align-items: baseline; gap: 16px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--c-gray-300);
  padding-bottom: 14px;
}
.tier-label-en {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.25em;
  color: var(--c-accent);
}
.tier-label-jp {
  font-family: var(--ff-jp-serif);
  font-size: 22px; color: var(--c-primary);
}
.tier-label-note { font-size: 12px; color: var(--c-gray-500); }
.tier-block + .tier-block { margin-top: 72px; }

/* 上層: 問屋・ベンダー ロゴグリッド */
.vendor-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.vendor-card {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--c-gray-300);
  background: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  font-family: var(--ff-jp-serif);
  font-size: 14px; color: var(--c-gray-500);
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.vendor-card:hover {
  border-color: var(--c-primary);
  box-shadow: 0 8px 24px rgba(15, 44, 95, 0.08);
}
.vendor-card img {
  max-width: 100%; max-height: 100%; object-fit: contain;
  display: block;
}
/* ロゴが無い/社名のみ掲載可のベンダー */
.vendor-card--text {
  flex-direction: column;
  font-family: var(--ff-jp);
  font-size: 13px; color: var(--c-gray-700);
  line-height: 1.6;
}
.vendor-card-sub {
  display: block; margin-top: 4px;
  font-size: 10px; color: var(--c-gray-500);
}
.vendor-card--more {
  font-size: 12px; color: var(--c-gray-500);
  background: var(--c-gray-100);
}

/* カテゴリ絞り込みタブ */
.case-filter {
  display: flex; flex-wrap: wrap; gap: 10px;
  margin-bottom: 32px;
}
.case-filter-btn {
  font-family: var(--ff-jp);
  font-size: 13px; letter-spacing: 0.05em;
  padding: 8px 20px;
  border: 1px solid var(--c-gray-300);
  background: transparent; color: var(--c-gray-700);
  cursor: pointer; transition: all 0.3s;
}
.case-filter-btn.is-active,
.case-filter-btn:hover {
  background: var(--c-accent); color: var(--c-white);
  border-color: var(--c-accent);
}

/* 下層: 末端取引先 画像グリッド */
.case-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
#partners .case-grid { margin-top: 40px; }

/* 投稿0件時の「準備中です」テキスト(case-grid / vendor-grid 内で全幅・中央) */
.list-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 56px 20px;
  color: var(--c-gray-700);
  font-size: 15px;
  letter-spacing: 0.08em;
}
.case-card {
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
}
.case-img {
  aspect-ratio: 3 / 2; overflow: hidden;
  border-radius: 4px;
  margin: 14px 14px 0;
}
.case-img img { width: 100%; height: 100%; object-fit: cover; }
.case-body { padding: 16px 20px 22px; }
.case-cat {
  display: inline-block; font-size: 10px;
  background: var(--c-gray-100); color: var(--c-gray-700);
  padding: 3px 10px; margin-bottom: 10px; letter-spacing: 0.1em;
}
.case-name { font-family: var(--ff-jp-serif); font-size: 15px; color: var(--c-primary); margin-bottom: 6px; }
.case-area { font-size: 12px; color: var(--c-gray-500); }

/* ロゴライセンス展開 */
.license-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 56px; align-items: center;
}
.license-points { display: flex; flex-direction: column; gap: 18px; }
.license-point {
  display: flex; gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-gray-300);
}
.license-point-no {
  font-family: var(--ff-en);
  font-size: 20px; color: var(--c-accent);
  flex-shrink: 0;
}
.license-point-title { font-family: var(--ff-jp-serif); font-size: 16px; color: var(--c-primary); margin-bottom: 4px; }
.license-point-desc { font-size: 13px; color: var(--c-gray-500); line-height: 1.8; }
.license-visual {
  aspect-ratio: 4 / 3;
  background: var(--c-gray-100);
  overflow: hidden;
}
.license-visual img { width: 100%; height: 100%; object-fit: cover; }
.license-visual--logo {
  display: flex; align-items: center; justify-content: center;
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
  padding: 10% 14%;
}
.license-visual--logo img { width: 100%; height: auto; object-fit: contain; }

/* ============================================
   CONTACT ページ
   ============================================ */

/* サンプル請求の流れ */
.sample-flow {
  background: var(--c-gray-100);
  border: 1px solid var(--c-gray-300);
  padding: 44px;
}
.sample-flow-title {
  font-family: var(--ff-jp-serif);
  font-size: 20px; text-align: center;
  color: var(--c-primary); margin-bottom: 28px;
}
.flow-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin: 26px 0 28px;
}
.flow-step {
  position: relative;
  padding: 42px 18px 24px;
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
  text-align: center;
}
.flow-step-no {
  position: absolute; top: -20px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--c-primary); color: var(--c-white);
  font-family: var(--ff-en); font-size: 16px; font-weight: 500;
}
.flow-step-name { font-family: var(--ff-jp-serif); font-size: 16px; color: var(--c-primary); margin-bottom: 8px; }
.flow-step-desc { font-size: 12px; color: var(--c-gray-500); line-height: 1.8; }
.sample-flow-note {
  font-size: 13px; color: var(--c-gray-700);
  text-align: center; line-height: 1.9;
}
.sample-flow-note strong { color: var(--c-primary); font-weight: 700; }

/* フォーム */
.contact-form { margin-top: 8px; }
.form-row { margin-bottom: 28px; }
.form-label {
  display: block;
  font-family: var(--ff-jp-serif);
  font-size: 15px; color: var(--c-primary);
  margin-bottom: 10px;
}
.form-required {
  display: inline-block;
  font-family: var(--ff-jp);
  font-size: 11px; font-weight: 500;
  background: var(--c-error); color: var(--c-white);
  padding: 2px 8px; margin-left: 8px;
  letter-spacing: 0.04em; vertical-align: 2px;
}
.form-optional {
  display: inline-block;
  font-size: 11px; color: var(--c-gray-500);
  border: 1px solid var(--c-gray-300);
  padding: 1px 8px; margin-left: 8px; vertical-align: 2px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--ff-jp); font-size: 15px;
  color: var(--c-gray-900);
  border: 1px solid var(--c-gray-300);
  background: var(--c-white);
  padding: 13px 16px;
  transition: border-color 0.3s;
}
.form-input { height: 50px; }
.form-select {
  height: 50px; line-height: 1; padding: 0 16px;
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-image: none;
  vertical-align: middle;
}
.form-select-wrap { position: relative; }
.form-select-wrap::after {
  content: ''; position: absolute;
  right: 18px; top: 50%;
  width: 8px; height: 8px;
  border-right: 1.5px solid var(--c-gray-500);
  border-bottom: 1.5px solid var(--c-gray-500);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.form-textarea { min-height: 140px; resize: vertical; line-height: 1.8; }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--c-primary);
}
.form-hint {
  margin-top: 8px; font-size: 12px;
  color: var(--c-gray-500); line-height: 1.7;
}

/* 種別ラジオ */
.type-radio { display: flex; gap: 16px; flex-wrap: wrap; }
.type-radio-item {
  flex: 1; min-width: 200px;
  border: 1px solid var(--c-gray-300);
  padding: 18px 20px;
  cursor: pointer;
  display: flex; align-items: flex-start; gap: 12px;
  transition: border-color 0.3s, background 0.3s;
}
.type-radio-item:hover { border-color: var(--c-primary); }
.type-radio-item input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--c-primary); }
.type-radio-name { display: block; font-family: var(--ff-jp-serif); font-size: 15px; color: var(--c-primary); }
.type-radio-desc { display: block; font-size: 12px; color: var(--c-gray-500); margin-top: 5px; }

/* サンプル請求の補足ボックス */
.sample-note-box {
  background: #FAF4E5;
  border: none;
  padding: 16px 20px;
  font-size: 13px; color: var(--c-gray-700);
  line-height: 1.9; margin-top: 12px;
}
.sample-note-box strong { color: var(--c-accent-900, #6B5829); font-weight: 700; }

/* 同意チェック */
.form-agree {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--c-gray-100);
  padding: 20px; margin: 8px 0 32px;
  font-size: 14px; color: var(--c-gray-700);
}
.form-agree input { margin-top: 3px; width: 20px; height: 20px; flex-shrink: 0; accent-color: var(--c-primary); }
.form-agree a { color: var(--c-primary); border-bottom: 1px solid var(--c-primary); }
.form-submit { text-align: center; margin-top: 40px; }
.form-submit .c-btn { min-width: 320px; }
.form-submit--multi { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 40px; }
.form-submit--multi .c-btn { min-width: 240px; }

/* CF7 スピナー: 送信中のローディングアイコン。
   submit ボタンの直後に常時 inline-block で配置されるため、
   text-align: center のレイアウト下ではボタンが左にズレる。
   非表示にし、送信中フィードバックは CF7 のレスポンス領域に任せる。 */
.wpcf7-spinner { display: none !important; }

/* CF7 ラジオ(お問い合わせ種別) — PHPフィルターで構造変換、CF7 wrap に対応 */
.type-radio.wpcf7-radio { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.type-radio .wpcf7-list-item {
  margin: 0; flex: 1; min-width: 200px;
  border: 1px solid var(--c-gray-300);
  padding: 18px 20px;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}
.type-radio .wpcf7-list-item:hover { border-color: var(--c-primary); background: var(--c-gray-100); }
.type-radio .wpcf7-list-item label {
  display: flex; align-items: flex-start; gap: 12px;
  width: 100%; cursor: pointer;
}
.type-radio .wpcf7-list-item input[type="radio"] {
  margin-top: 4px; width: 18px; height: 18px;
  accent-color: var(--c-primary); flex-shrink: 0;
}
.type-radio-text { display: block; }

/* CF7 acceptance(プライバシー同意) — demo の form-agree と同じ見た目 */
.form-agree-wrap { display: block; }
.form-agree-wrap .wpcf7-list-item { margin: 0; display: block; }
.form-agree-wrap label {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--c-gray-700);
  cursor: pointer; line-height: 1.7;
}
.form-agree-wrap input[type="checkbox"] {
  margin-top: 3px; width: 20px; height: 20px;
  flex-shrink: 0; accent-color: var(--c-primary);
}
.form-agree-wrap a { color: var(--c-primary); border-bottom: 1px solid var(--c-primary); }
.form-agree-wrap a:hover { opacity: 0.7; }

/* CF7 確認画面 — 値の表示ボックス */
.form-confirm-value {
  margin: 0;
  padding: 14px 18px;
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
  border-radius: var(--r-s, 4px);
  font-size: 15px; line-height: 1.7;
  color: var(--c-primary);
  min-height: 50px;
  display: flex; align-items: center;
}
.form-confirm-value--multiline {
  white-space: pre-wrap; word-break: break-word;
  display: block; min-height: 80px; line-height: 1.9;
}

/* CF7 同意未チェック時の送信ボタン無効化 */
.wpcf7-submit:disabled,
.wpcf7-submit.is-disabled,
.form-submit .c-btn:disabled {
  opacity: 0.35; cursor: not-allowed; pointer-events: none;
  transform: none !important;
}

/* CF7 バリデーションメッセージ */
.wpcf7-not-valid-tip { color: #c0392b; font-size: 13px; margin-top: 6px; display: block; }
.wpcf7-response-output {
  margin: 24px 0 0 !important;
  padding: 14px 18px !important;
  border-width: 1px !important;
  border-radius: var(--r-s, 4px);
  font-size: 14px;
}

/* ===== Footer (共通・_0001_top と同一) ===== */
.site-footer {
  background: #020817;
  color: var(--c-white);
  padding: 80px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-logo { margin-bottom: 24px; }
.footer-logo img { height: 46px; width: auto; display: block; }
.footer-address { font-size: 13px; color: rgba(252, 252, 252, 0.7); line-height: 1.8; }
.footer-nav-title {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--c-accent); margin-bottom: 16px;
}
.footer-nav ul { padding-left: 0; list-style: none; margin: 0; }
.footer-nav ul li { padding: 6px 0; }
.footer-nav a { font-size: 13px; color: rgba(252, 252, 252, 0.85); transition: opacity 0.3s; }
.footer-nav a:hover { opacity: 0.6; }
.footer-copyright {
  border-top: 1px solid rgba(252, 252, 252, 0.15);
  padding-top: 24px;
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.15em;
  color: rgba(252, 252, 252, 0.5);
  text-align: center;
}

/* ===== SP追従CTA ===== */
.sp-fixed-cta {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(4, 16, 42, 0.95);
  backdrop-filter: blur(8px);
  padding: 12px;
  border-top: 1px solid rgba(252, 252, 252, 0.15);
}
.sp-fixed-cta-inner { display: grid; grid-template-columns: 1fr; gap: 8px; }
.sp-cta-btn {
  display: flex; align-items: center; justify-content: center;
  padding: 14px 8px; font-size: 13px; font-weight: 500;
  letter-spacing: 0.05em; text-align: center;
}
.sp-cta-btn--primary { background: var(--c-accent); color: var(--c-white); }
.sp-cta-btn--outline {
  background: transparent; color: var(--c-white);
  border: 1px solid rgba(252, 252, 252, 0.4);
}

/* ===== totop ===== */
.totop {
  position: fixed; bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--c-primary); color: var(--c-white);
  display: flex; align-items: center; justify-content: center;
  z-index: 80;
  border-radius: 50%;
  transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
}
.totop svg { width: 22px; height: 22px; }
.totop.is-visible { opacity: 0.85; visibility: visible; transform: none; }
.totop.is-visible:hover { opacity: 1; transform: translateY(-4px); }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .sec { padding: 88px 0; }
  .global-nav, .header-cta { display: none; }
  .hamburger {
    display: flex; flex-direction: column; gap: 4px;
    width: 32px; cursor: pointer;
  }
  .hamburger span { display: block; width: 100%; height: 2px; background: var(--c-white); }
  .page-hero { padding: 130px 0 72px; }
  .about-story-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-depth { padding: 56px 36px; }
  .about-depth-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-facts { gap: 16px; }
  .about-ratio { grid-template-columns: 1fr; }
  .about-supply { padding: 56px 36px; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .vendor-grid { grid-template-columns: repeat(3, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .license-grid { grid-template-columns: 1fr; gap: 32px; }
  .flow-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 639px) {
  body { padding-bottom: 76px; }
  .sec { padding: 64px 0; }
  .site-header { padding: 12px 16px; }
  .logo-jp { font-size: 18px; }
  .container { padding: 0 20px; }
  .page-hero { padding: 108px 0 60px; }
  .page-hero-title { font-size: 23px; }
  .section-title { font-size: 23px; }
  .about-depth-title { font-size: 21px; }
  .tier-label { flex-direction: column; align-items: flex-start; gap: 6px; }
  .sp-br { display: inline; }
  .about-depth { padding: 40px 24px; }
  .about-depth-num { font-size: 88px; }
  .about-facts { grid-template-columns: 1fr; }
  .about-supply { padding: 44px 24px; }
  .process-steps { grid-template-columns: 1fr; }
  .product-card { flex-direction: column; text-align: center; }
  .product-card-img { width: 100%; max-width: 200px; }
  .vendor-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .sample-flow { padding: 28px 20px; }
  .flow-steps { grid-template-columns: 1fr; }
  .form-submit .c-btn { min-width: 100%; }
  .sp-fixed-cta { display: block; }
  .sp-fixed-cta.mv-gated { display: none; }
  .sp-fixed-cta.mv-gated.is-past-mv { display: block; }
  .totop { bottom: 84px; width: 40px; height: 40px; font-size: 10px; }
}

/* ============================================
   付随ページ (confirm / thanks / privacy / news / 404)
   ============================================ */

/* --- プロース(ベタページ本文) --- */
.prose { font-size: 15px; color: var(--c-gray-700); line-height: 2; }
.prose h3 {
  font-family: var(--ff-jp-serif);
  font-size: 19px; color: var(--c-primary);
  margin: 40px 0 12px; letter-spacing: 0.04em;
}
.prose h3:first-child { margin-top: 0; }
.prose p { margin-bottom: 1em; }
.prose ul { margin: 0 0 1em 1.3em; list-style: disc; }
.prose ul li { margin-bottom: 0.4em; }
.prose a { color: var(--c-primary); border-bottom: 1px solid var(--c-primary); }
.prose-updated { font-size: 13px; color: var(--c-gray-500); margin-top: 44px; }

/* --- メッセージ系 (thanks / 404) --- */
.message-block { text-align: center; padding: 32px 0; }
.message-mark {
  font-family: var(--ff-en);
  font-size: 96px; line-height: 1;
  color: var(--c-accent); margin-bottom: 20px;
}
.message-title {
  font-family: var(--ff-jp-serif);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--c-primary);
  margin-bottom: 20px; letter-spacing: 0.05em;
}
.message-text {
  font-size: 15px; color: var(--c-gray-700);
  line-height: 2; margin-bottom: 36px;
}

/* --- 確認ページ --- */
.confirm-table {
  border: 1px solid var(--c-gray-300);
  background: var(--c-white); margin-bottom: 36px;
}
.confirm-row {
  display: grid; grid-template-columns: 200px 1fr;
  border-bottom: 1px solid var(--c-gray-300);
}
.confirm-row:last-child { border-bottom: none; }
.confirm-row dt {
  background: var(--c-gray-100);
  font-family: var(--ff-jp-serif);
  font-size: 14px; color: var(--c-primary);
  padding: 18px 24px;
}
.confirm-row dd {
  font-size: 15px; color: var(--c-gray-900);
  padding: 18px 24px; line-height: 1.8;
}
.form-actions {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* --- お知らせ一覧 --- */
.news-filter {
  display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px;
}
.news-filter-btn {
  font-family: var(--ff-jp); font-size: 13px;
  padding: 8px 20px;
  border: 1px solid var(--c-gray-300);
  background: transparent; color: var(--c-gray-700);
  cursor: pointer; transition: all 0.3s;
}
.news-filter-btn.is-active,
.news-filter-btn:hover {
  background: var(--c-accent); color: var(--c-white); border-color: var(--c-accent);
}
.news-list { border-top: 1px solid var(--c-gray-300); }
.news-row {
  display: grid; grid-template-columns: 130px 110px 1fr;
  gap: 24px; align-items: center;
  padding: 22px 8px;
  border-bottom: 1px solid var(--c-gray-300);
  transition: background 0.3s;
}
.news-row:hover { background: var(--c-gray-100); }
.news-date { font-family: var(--ff-en); font-size: 15px; color: var(--c-gray-500); }
.news-cat {
  font-size: 11px; letter-spacing: 0.08em;
  background: var(--c-primary); color: var(--c-white);
  padding: 4px 10px; text-align: center; width: fit-content;
}
.news-title { font-size: 15px; color: var(--c-gray-900); }
.news-row:hover .news-title { color: var(--c-primary); }

/* ページネーション */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span {
  min-width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-en); font-size: 15px;
  border: 1px solid var(--c-gray-300);
  color: var(--c-gray-700); transition: all 0.3s;
}
.pagination a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pagination .is-current {
  background: var(--c-primary); color: var(--c-white); border-color: var(--c-primary);
}

/* --- お知らせ個別 --- */
.article-head {
  border-bottom: 1px solid var(--c-gray-300);
  padding-bottom: 28px; margin-bottom: 32px;
}
.article-meta { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.article-date { font-family: var(--ff-en); font-size: 15px; color: var(--c-gray-500); }
.article-title {
  font-family: var(--ff-jp-serif);
  font-size: clamp(22px, 3vw, 30px);
  color: var(--c-primary); line-height: 1.5; letter-spacing: 0.04em;
}
.article-thumb {
  margin-bottom: 36px;
  aspect-ratio: 16 / 9; overflow: hidden; background: var(--c-gray-100);
}
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-back { text-align: center; margin-top: 56px; }

@media (max-width: 639px) {
  .message-mark { font-size: 68px; }
  .confirm-row { grid-template-columns: 1fr; }
  .confirm-row dt { padding: 12px 18px; }
  .confirm-row dd { padding: 12px 18px; }
  .news-row { grid-template-columns: 90px 1fr; gap: 6px 16px; padding: 18px 4px; }
  .news-row .news-cat { grid-column: 2; justify-self: start; }
  .news-row .news-title { grid-column: 1 / -1; }
  .form-actions { flex-direction: column; }
}

/* ============================================
   TOP ページ (index.html) 専用
   共通部(header・footer・section系・ratio-block・case系・
   partner-formula・sp-cta・totop 等)は上部に定義済み
   ============================================ */

section { padding: 120px 0; }

/* --- Hero (MV) — 深海への降下 --- */
.hero { position: relative; height: 170vh; padding: 0; background: var(--c-primary-deep); }
.hero-stage {
  position: sticky; top: 0;
  height: 100vh; overflow: hidden;
  color: var(--c-white);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, #143a73 0%, #0d2858 36%, #071a40 70%, #04102a 100%);
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 38% at 50% -10%, rgba(150, 192, 238, 0.38) 0%, transparent 72%),
    radial-gradient(ellipse at 80% 84%, rgba(201, 169, 97, 0.10) 0%, transparent 58%);
}
.hero-deep {
  position: absolute; inset: 0; z-index: 2;
  background: radial-gradient(ellipse at 50% 32%, rgba(1, 4, 12, 0) 0%, #01040c 92%);
  opacity: 0; pointer-events: none;
}
.hero-bubbles { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.bubble {
  position: absolute; bottom: -6%; left: var(--x);
  width: var(--s); height: var(--s); border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, rgba(255,255,255,0.6), rgba(255,255,255,0.05) 62%, transparent 74%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  opacity: 0;
  animation: bubbleRise var(--d) linear var(--dl) infinite;
}
@keyframes bubbleRise {
  0% { transform: translate(0, 0); opacity: 0; }
  12% { opacity: 0.55; }
  82% { opacity: 0.42; }
  100% { transform: translate(var(--drift), -116vh); opacity: 0; }
}
.hero-content {
  position: relative; z-index: 3;
  height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 0 24px;
  transform: translateY(calc(var(--p, 0) * -36px));
}
.hero-logo {
  line-height: 1; margin: 0 0 34px;
  display: flex; flex-direction: column; align-items: center;
}
.hero-logo-en {
  font-family: var(--ff-en);
  font-size: clamp(22px, 4.2vw, 56px);
  font-weight: 500; letter-spacing: 0.32em;
  line-height: 1; color: var(--c-white);
  text-indent: 0.32em;
  text-shadow: 0 6px 22px rgba(0, 0, 0, 0.45);
  margin-top: 22px;
  opacity: 0.92;
}
.hero-logo-brush {
  width: clamp(280px, 46vw, 560px); height: auto;
  opacity: 0.96;
  filter: drop-shadow(0 10px 36px rgba(0, 0, 0, 0.55));
}
.hero-statement {
  font-family: var(--ff-jp-serif);
  font-size: clamp(18px, 3.2vw, 26px); letter-spacing: 0.12em; line-height: 1.85;
  color: rgba(252, 252, 252, 0.95);
  margin-top: 30px;
}
.hero-cta-group {
  display: flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  margin-top: 44px;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 18px 34px;
  font-family: var(--ff-jp);
  font-size: 15px; font-weight: 500; letter-spacing: 0.1em;
  transition: opacity 0.3s, transform 0.3s;
}
.hero-cta--primary { background: var(--c-accent); color: var(--c-white); }
.hero-cta--outline {
  background: transparent; color: var(--c-white);
  border: 1px solid rgba(252, 252, 252, 0.6);
}
.hero-cta:hover { opacity: 0.88; transform: translateY(-2px); }
.hero-cta-arrow { font-family: var(--ff-en); font-size: 18px; }
.hero-depth {
  position: absolute; left: 56px; top: 50%;
  transform: translateY(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center;
  font-family: var(--ff-en);
  min-width: 100px;
}
.hero-depth-line { width: 38px; height: 188px; }
.hero-depth-read { display: flex; align-items: baseline; margin-top: 12px; }
.hero-depth-num { font-size: 54px; font-weight: 500; line-height: 1; color: var(--c-accent); }
.hero-depth-unit { font-size: 17px; color: var(--c-accent-light); margin-left: 3px; }
.hero-depth-label {
  font-family: var(--ff-jp);
  font-size: 11px; letter-spacing: 0.12em; line-height: 1.7;
  color: rgba(252, 252, 252, 0.62);
  margin-top: 10px; text-align: center;
}
.hero-scroll {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%); z-index: 3;
  font-family: var(--ff-en);
  font-size: 11px; letter-spacing: 0.3em;
  color: rgba(252, 252, 252, 0.6);
  opacity: calc(1 - var(--p, 0) * 4);
}
.hero-wave {
  position: absolute; left: 0; right: 0; bottom: -1px;
  width: 100%; height: 60px; z-index: 4;
}
/* --- MV 海洋生物のシルエット (深海の「気配」演出) --- */
.hero-creatures { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.sea-creature {
  position: absolute; top: var(--top);
  background: no-repeat center / contain;
  /* 白SVGに変更したため filter 不要。filterは各生物をGPUレイヤー化しpinを重くするため除去(静止生物=無料に) */
  opacity: 0;
}
.sea-creature--whale   { width: clamp(180px, 26vw, 360px); aspect-ratio: 750 / 147; background-image: url(../img/whale.svg?v=2); }
.sea-creature--fish    { width: clamp(52px, 7vw, 92px);   aspect-ratio: 120 / 64; background-image: url(../img/fish.svg?v=2); }
.sea-creature--fish-sm { width: clamp(32px, 4.4vw, 54px); aspect-ratio: 120 / 64; background-image: url(../img/fish.svg?v=2); }
.sea-creature--angler  { width: clamp(84px, 10vw, 140px); aspect-ratio: 1536 / 469; background-image: url(../img/anglerfish.svg?v=2); }
.sea-creature--jelly   { width: clamp(34px, 4.2vw, 56px); aspect-ratio: 465 / 716; background-image: url(../img/jellyfish.svg?v=2); }
.sea-creature--squid   { width: clamp(40px, 5vw, 70px);   aspect-ratio: 370 / 720; background-image: url(../img/squid.svg?v=2); }
.sea-creature--ltr { left: 0;  animation: creatureSwimR var(--dur) linear var(--delay) infinite; }
.sea-creature--rtl { right: 0; animation: creatureSwimL var(--dur) linear var(--delay) infinite; }
@keyframes creatureSwimR {
  0%   { transform: translateX(-34vw) scaleX(-1); opacity: 0; }
  14%  { opacity: 0.13; }
  86%  { opacity: 0.13; }
  100% { transform: translateX(104vw) scaleX(-1); opacity: 0; }
}
@keyframes creatureSwimL {
  0%   { transform: translateX(34vw); opacity: 0; }
  14%  { opacity: 0.13; }
  86%  { opacity: 0.13; }
  100% { transform: translateX(-104vw); opacity: 0; }
}
/* モバイル用: その場で漂う超軽量アニメ(transform数〜十数px+opacityのみ=GPU処理・横断しない) */
@keyframes creatureDrift {
  0%   { transform: translate(0, 0);         opacity: 0.08; }
  35%  { transform: translate(-7px, -13px);  opacity: 0.14; }
  70%  { transform: translate(11px, -22px);  opacity: 0.15; }
  100% { transform: translate(0, 0);         opacity: 0.08; }
}

@media (prefers-reduced-motion: reduce) {
  .bubble { animation: none; opacity: 0.3; }
  .hero-content { transform: none; }
  .sea-creature { animation: none; opacity: 0.08; }
}

/* --- NEWS Strip --- */
.news-strip {
  background: var(--c-primary-deep); color: var(--c-white);
  padding: 20px 0; position: relative;
}
.news-strip-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 120px 1fr auto;
  gap: 24px; align-items: center;
}
.news-strip-label {
  font-family: var(--ff-en);
  font-size: 14px; letter-spacing: 0.3em;
  color: var(--c-accent);
  border-right: 1px solid rgba(252, 252, 252, 0.2);
  padding-right: 24px;
}
.news-strip-list { display: flex; flex-direction: column; gap: 4px; }
.news-strip-item {
  display: grid; grid-template-columns: 110px 80px 1fr;
  gap: 16px; align-items: center;
  font-size: 13px; color: rgba(252, 252, 252, 0.85);
  transition: opacity 0.3s;
}
.news-strip-item:hover { opacity: 0.7; }
.news-strip-date { font-family: var(--ff-en); color: rgba(252, 252, 252, 0.6); }
.news-strip-cat {
  font-size: 10px;
  background: rgba(201, 169, 97, 0.2);
  color: var(--c-accent-light);
  padding: 2px 8px; text-align: center; width: fit-content; letter-spacing: 0.05em;
}
.news-strip-more {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.2em;
  color: var(--c-accent-light);
  border-bottom: 1px solid var(--c-accent-light);
  padding-bottom: 2px;
}

/* --- BRAND / ABOUT 抜粋 --- */
.brand {
  background: linear-gradient(180deg, var(--c-white) 0%, #F5F7F5 100%);
  position: relative;
  overflow: hidden;
  padding: clamp(80px, 9vw, 116px) 0;
}
.brand .section-eyebrow { color: var(--c-forest); }

/* --- BRAND CORE 案B: 北海道マップ主役＋塩写真インセット --- */
.brand-b {
  display: grid;
  grid-template-columns: 1fr 1.04fr;
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
.brand-b-text .section-title { margin-bottom: 28px; }
.brand-b-text > p {
  font-size: 16px; color: var(--c-gray-700);
  line-height: 2.05;
}
.brand-b-text > p + p { margin-top: 1.2em; }
.brand-b-origin {
  margin-top: 30px;
  border-left: 2px solid var(--c-accent);
  padding-left: 20px;
  font-family: var(--ff-jp-serif);
  font-size: 16px; color: var(--c-primary); line-height: 1.95;
  font-weight: 700;
}
.brand-b-origin em {
  font-style: normal;
  color: var(--c-primary); font-size: 19px; letter-spacing: 0.04em;
  font-weight: 700;
}
@media (max-width: 639px) {
  /* MV: 端末別の段階的調整 — 中央配置 + padding-top で全体を下にシフトし、
     大画面ほど大きな padding でボタン位置を画面下端寄りにする。
     ロゴは中央配置の上端で画面内に維持される。 */
  /* 320-359px (iPhone SE等) は調整なし(自然な中央配置で十分) */

  /* .top-news { padding-top: 24px; } は .top-news 基本定義(下部)直後の SP @media で記述 */

  .brand-b-text .brand-b-origin,
  .brand-b-origin em { font-size: 14px; }
  .brand-b-origin br { display: none; }
}

/* MV: SP の hero-content 各要素間 margin
   ─────────────────────────────────────────────────
   【ver1 値(参考)】 .hero-logo 50 / .hero-statement 0 / .hero-cta-group 56
   【ver2 値(参考)】 .hero-logo 70 / .hero-statement 20 / .hero-cta-group 76(+20均等)
   【ver3 値(参考)】 .hero-logo 0 / .hero-statement 20 / .hero-cta-group 40
   【ver4 値(参考)】 ver3 + hero-stage 80vh + padding-bottom 30px(コンテンツ位置がズレる)
   【ver5 値(現行)】 ver3 + hero-stage 90vh — 中央配置を保ったまま波線位置だけ下げる
   ───────────────────────────────────────────────── */
@media (max-width: 639px) {
  .hero-logo { margin-bottom: 0; }
  .hero-statement { margin-top: 20px; }
  .hero-cta-group { margin-top: 40px; }

  /* ★最小pin(full-stage sticky の本番iOS限界対策・いずみやさん承認 _0057_): full-viewport を留めるのをやめ、
     stage を relative+200vh に。暗化は hero の縦グラデを「潜り抜ける」方式へ変更し、
     hero-deep の毎フレーム全画面再合成(=カクつきの構造的主因)を撤去する。
     ロゴ塊 .hero-content だけ sticky で中央維持(=留まる演出の肝は保持。下部の別ブロックで指定)。
     ※overflow は hidden だと子の sticky が壊れるため clip(横はみ出しは抑制)。 */
  .hero { height: 200vh; background: linear-gradient(180deg, #143a73 0%, #0d2858 22%, #071a40 44%, #04102a 64%, #020a1c 84%, #01040c 100%); }
  .hero-stage { position: relative; top: auto; height: 200vh; overflow-x: clip; overflow-y: visible; }
  .hero-bg { display: none; }
  .hero-deep { display: none; }
  /* 泡: 2個だけ(現行踏襲)。生物: 静止シルエット + r5配置(ltr=左4vw / rtl=右4vw、--topで縦に散る)。 */
  .hero-bubbles .bubble { display: none; }
  .hero-bubbles .bubble:nth-child(4),
  .hero-bubbles .bubble:nth-child(9) { display: block; }
  .sea-creature { animation: none; opacity: 0.12; }
  .sea-creature--ltr { left: 4vw; }
  .sea-creature--rtl { right: 4vw; }
  .sea-creature--whale { top: 7%; }   /* いずみやさん指定: SP クジラ位置 */
}

/* MV: 360-392px (Galaxy S9 / Note 8 等) — 追加で下シフト */
@media (min-width: 360px) and (max-width: 639px) {
  .hero-content { padding-top: 70px; }
}

/* MV: 393-411px (Pixel 3 等) */
@media (min-width: 393px) and (max-width: 639px) {
  .hero-content { padding-top: 110px; }
}

/* MV: 412-639px (Galaxy S9 Plus / iPhone Plus 系 等) */
@media (min-width: 412px) and (max-width: 639px) {
  .hero-content { padding-top: 160px; }
}

/* iOS スクロールカクつき対策(モバイル): 固定要素の backdrop-filter blur は
   スクロール中に毎フレーム再計算され重く、#mv の full-stage sticky と重なってカクつく主因。
   モバイルでは blur を無効化し、背景を不透明寄りにして見た目(可読性)を維持する。 */
@media (max-width: 639px) {
  .site-header { -webkit-backdrop-filter: none; backdrop-filter: none; background: rgba(15, 44, 95, 0.97); }
  .sp-fixed-cta { -webkit-backdrop-filter: none; backdrop-filter: none; background: rgba(4, 16, 42, 0.98); }
}

/* ★最小pin 仕上げ: ロゴ塊だけ sticky で中央維持 + 深度ゲージを fixed(stage が relative になったため)。
   このブロックは device別 padding-top(旧 full-stage 用)より後ろに置き、padding-top:0 で中央配置に戻す。 */
@media (max-width: 639px) {
  .hero-content { position: sticky; top: 7.5vh; height: auto; min-height: 85vh; padding-top: 0; transform: none; }   /* 中央維持(top=(100-85)/2)で min-height 縮小=ボタン下の余白(NEWSまでの空白)を約ボタン1個分(145px)に。justify-content:center は不変 */
  .hero-depth { position: fixed; opacity: 0; transition: opacity 0.4s ease; }
}

.brand-b-stage {
  position: relative;
}
.brand-hokkaido-wrap { position: relative; z-index: 1; }
.brand-hokkaido {
  display: block;
  width: 100%; height: auto;
}
.brand-pin {
  position: absolute; left: 61%; top: 37.5%;
  transform: translate(-50%, -50%);
}
.brand-pin-dot {
  display: block; width: 13px; height: 13px; border-radius: 50%;
  background: var(--c-accent); border: 3px solid #fff;
  box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.28), 0 4px 10px rgba(0, 0, 0, 0.3);
}
.brand-pin-label {
  position: absolute; left: 50%; top: -25px;
  transform: translateX(-50%); white-space: nowrap;
  font-family: var(--ff-jp-serif); font-size: 12px;
  color: #fff; background: var(--c-accent);
  padding: 2px 9px; border-radius: 4px; letter-spacing: 0.08em;
}
.brand-pin-label::after {
  content: ''; position: absolute; left: 50%; bottom: -4px;
  transform: translateX(-50%) rotate(45deg);
  width: 7px; height: 7px; background: var(--c-accent);
}
/* 塩写真: PC=案D(真円・ボーダー無し・北海道の背面に配置して隠さない) */
.brand-b-salt {
  position: absolute; right: -10px; bottom: -10px;
  width: 38%; aspect-ratio: 1 / 1; margin: 0;
  border-radius: 50%; overflow: hidden;
  box-shadow: 0 14px 32px rgba(15, 44, 95, 0.26);
  z-index: 0;
}
.brand-b-salt img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
/* SP=案F(真円を独立配置・マップに重ねない) */
@media (max-width: 1023px) {
  .brand-b { grid-template-columns: 1fr; gap: 32px; }
  .brand-b-stage { display: contents; }
  .brand-b-salt {
    position: static; right: auto; bottom: auto;
    order: -1; justify-self: center;
    width: clamp(170px, 56vw, 240px);
  }
}
.brand-intro {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 80px; align-items: start; margin-bottom: 96px;
}
.brand-intro-text { font-size: 16px; color: var(--c-gray-700); line-height: 2; }
.brand-intro-text p + p { margin-top: 1em; }
.brand-intro-img {
  aspect-ratio: 4 / 5; background: var(--c-gray-100);
  overflow: hidden; position: relative;
}
.brand-intro-img img { width: 100%; height: 100%; object-fit: cover; }
.brand-intro-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(61, 91, 74, 0.25));
}
.brand-depth {
  background: var(--c-primary-deep); color: var(--c-white);
  padding: 80px 64px; margin-bottom: 96px;
  position: relative; overflow: hidden;
}
.brand-depth-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center; position: relative; z-index: 1;
}
.brand-depth-label {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--c-accent); margin-bottom: 16px;
}
.brand-depth-title { font-family: var(--ff-jp-serif); font-size: 28px; line-height: 1.5; margin-bottom: 24px; }
.brand-depth-text { font-size: 14px; color: rgba(252, 252, 252, 0.8); line-height: 2; }
.brand-depth-visual { display: flex; align-items: center; justify-content: center; flex-direction: column; }
.brand-depth-num {
  font-family: var(--ff-en);
  font-size: 140px; font-weight: 500;
  color: var(--c-accent); line-height: 1; letter-spacing: 0.02em;
}
.brand-depth-num small { font-size: 32px; color: var(--c-accent-light); margin-left: 8px; }
.brand-depth-desc {
  font-family: var(--ff-jp); font-size: 13px;
  color: rgba(252, 252, 252, 0.7); margin-top: 16px; letter-spacing: 0.15em;
}
.brand-ratio { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 96px; }
.brand-positioning {
  background: var(--c-forest); color: var(--c-white);
  padding: 64px; text-align: center;
  position: relative; overflow: hidden;
}
.brand-positioning::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(61, 91, 74, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 70%, rgba(42, 66, 52, 0.6) 0%, transparent 60%);
}
.positioning-label {
  font-family: var(--ff-en);
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--c-accent-light); margin-bottom: 24px; position: relative;
}
.positioning-headline {
  font-family: var(--ff-jp-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 500; line-height: 1.7; letter-spacing: 0.08em;
  max-width: 800px; margin: 0 auto; position: relative;
}
.positioning-headline strong { color: var(--c-accent-light); font-weight: 500; }

/* --- PARTNERS 抜粋 --- */
.partners { background: var(--c-white); }
.case-comment { font-size: 12px; color: var(--c-gray-500); line-height: 1.7; }

/* --- COMPANY --- */
.company { background: var(--c-gray-100); position: relative; }
.company-wave {
  position: absolute; left: 0; right: 0; bottom: -1px;
  width: 100%; height: 64px; z-index: 1;
}
.company-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.company-intro { padding-right: 32px; }
.company-intro-text { font-size: 15px; color: var(--c-gray-700); line-height: 2; margin-bottom: 32px; }
.company-history-label {
  font-family: var(--ff-en);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--c-accent); margin-bottom: 12px;
}
.company-history-item {
  display: grid; grid-template-columns: 100px 1fr;
  gap: 16px; padding: 12px 0;
  border-bottom: 1px solid var(--c-gray-300); font-size: 14px;
}
.company-history-date { font-family: var(--ff-en); color: var(--c-primary); font-weight: 500; }
.company-table { background: var(--c-white); padding: 8px 32px; }
.company-row {
  display: grid; grid-template-columns: 140px 1fr;
  gap: 24px; padding: 20px 0;
  border-bottom: 1px solid var(--c-gray-300); font-size: 14px;
}
.company-row:last-child { border-bottom: none; }
.company-row dt { font-family: var(--ff-jp-serif); color: var(--c-primary); font-weight: 500; }
.company-row dd { color: var(--c-gray-700); line-height: 1.8; }
.company-row dd a { color: var(--c-primary); border-bottom: 1px solid var(--c-primary); padding-bottom: 1px; }
@media (max-width: 639px) {
  .company-row { grid-template-columns: 1fr; gap: 4px; }
}

/* --- CONTACT セクション --- */
.contact { background: var(--c-primary-deep); color: var(--c-white); position: relative; overflow: hidden; }
.contact::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(92, 123, 175, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(201, 169, 97, 0.1) 0%, transparent 50%);
}
.contact .section-eyebrow { color: var(--c-accent); }
.contact .section-title { color: var(--c-white); text-align: center; }
.contact-inner { position: relative; z-index: 1; }
.contact-lead {
  text-align: center; font-size: 16px;
  color: rgba(252, 252, 252, 0.85);
  max-width: 720px; margin: -32px auto 64px; line-height: 2;
}
.contact-cta-single { text-align: center; margin-top: 8px; }
.contact-cta-single .c-btn { min-width: 340px; max-width: 100%; }
@media (max-width: 639px) {
  .contact-lead { text-align: left; }   /* いずみやさん指定: SP は左寄せ */
}

/* --- TOP responsive --- */
@media (max-width: 1023px) {
  section { padding: 96px 0; }
  .hero-depth { left: 20px; min-width: 70px; }
  .hero-depth-line { width: 28px; height: 130px; }
  .hero-depth-num { font-size: 36px; }
  .hero-depth-unit { font-size: 13px; }
  .hero-depth-label { font-size: 9px; letter-spacing: 0.08em; margin-top: 8px; }
  .brand-intro { grid-template-columns: 1fr; gap: 48px; }
  .brand-depth { padding: 48px 32px; }
  .brand-depth-grid { grid-template-columns: 1fr; gap: 32px; }
  .brand-depth-num { font-size: 96px; }
  .brand-ratio { grid-template-columns: 1fr; }
  .brand-positioning { padding: 48px 32px; }
  .company-grid { grid-template-columns: 1fr; gap: 48px; }
  .company-intro { padding-right: 0; }
  .news-strip-inner { grid-template-columns: 1fr; gap: 12px; }
  .news-strip-label { border-right: none; padding-right: 0; padding-bottom: 8px; border-bottom: 1px solid rgba(252, 252, 252, 0.2); }
}
@media (max-width: 639px) {
  section { padding: 72px 0; }
  /* shorthand を避け longhand で left/right のみ指定 → padding-top の上書き衝突を防ぐ */
  .hero-content { padding-left: 20px; padding-right: 20px; }
  .hero-logo-en { font-size: clamp(18px, 5.4vw, 28px); letter-spacing: 0.34em; text-indent: 0.34em; margin-top: 16px; }
  .hero-logo-brush { width: clamp(240px, 78vw, 360px); }
  .hero-cta-group { flex-direction: column; }
  .hero-cta { width: 100%; justify-content: center; }
  .hero-scroll { display: none; }
  .hero-depth { left: 18px; top: 47%; min-width: 55px; }
  .hero-depth-line { width: 22px; height: 74px; }
  .hero-depth-num { font-size: 27px; }
  .hero-depth-unit { font-size: 11px; }
  .hero-depth-label { display: none; }
  .news-strip-item { grid-template-columns: 90px 1fr; }
  .news-strip-item .news-strip-cat { display: none; }
  .pflow-card { padding: 32px 22px; }
}

/* --- スクロール連動フェードイン --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.9s ease-out, transform 0.9s ease-out;
}
.reveal.is-revealed { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* --- NEWS セクション (TOP) --- */
.top-news {
  background: linear-gradient(180deg, #04102a 0%, #06183a 100%);
  color: var(--c-white);
  position: relative;
  padding-top: 70px;
}
@media (max-width: 639px) {
  /* 基本(PC) 70px を SP で上書き — 上の SP @media より後ろに置くことでカスケード順序を確保 */
  .top-news { padding-top: 24px; padding-bottom: 90px; }
  .section-eyebrow { margin-bottom: 0; }
  .top-news .section-title { margin-bottom: 24px; }
}
.top-news .section-title { color: var(--c-white); }
.top-news-list {
  border-top: 1px solid rgba(252, 252, 252, 0.16);
  margin-top: 4px;
  padding: 0;
}
.top-news-item { border-bottom: 1px solid rgba(252, 252, 252, 0.16); }
.top-news-link {
  display: flex; align-items: center;
  gap: 28px; flex-wrap: wrap;
  padding: 28px 8px;
  transition: background 0.3s, padding-left 0.3s;
}
.top-news-link:hover { background: rgba(252, 252, 252, 0.04); }
.top-news-date {
  font-family: var(--ff-en); font-size: 16px;
  color: var(--c-accent-light); flex-shrink: 0;
}
.top-news-cat {
  font-size: 11px; letter-spacing: 0.08em;
  background: rgba(201, 169, 97, 0.18); color: var(--c-accent-light);
  padding: 5px 13px; flex-shrink: 0;
}
.top-news-title {
  flex: 1; min-width: 220px;
  font-size: 15px; color: rgba(252, 252, 252, 0.9);
}
.top-news-link:hover .top-news-title { color: var(--c-white); }
.top-news-arrow {
  font-family: var(--ff-en); font-size: 18px;
  color: var(--c-accent); margin-left: auto; flex-shrink: 0;
}
.top-news .link-arrow {
  color: var(--c-white);
  border-bottom-color: rgba(252, 252, 252, 0.6);
}
.top-news-wave {
  position: absolute; left: 0; right: 0; bottom: -1px;
  width: 100%; height: 70px;
}

.brand .container { position: relative; z-index: 1; }

@media (max-width: 639px) {
  .top-news-link { gap: 8px 16px; padding: 22px 4px; }
  .top-news-title { min-width: 100%; order: 3; }
  .top-news-arrow { display: none; }
}

/* --- PRODUCT セクション (TOP) --- */
.top-product { background: var(--c-gray-100); }
.product-showcase {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 639px) {
  .product-showcase { grid-template-columns: 1fr; }
}
.product-item {
  background: var(--c-white);
  border: 1px solid var(--c-gray-300);
  padding: 34px 28px; text-align: center;
}
.product-item-img { margin-bottom: 22px; }
.product-item-img img { width: 100%; max-width: 220px; height: auto; margin: 0 auto; }
.product-item-cap {
  display: inline-block;
  font-size: 11px; letter-spacing: 0.1em;
  background: var(--c-gray-100); color: var(--c-gray-700);
  padding: 4px 13px; margin-bottom: 12px;
}
.product-item-name {
  font-family: var(--ff-jp-serif);
  font-size: 20px; color: var(--c-primary); margin-bottom: 8px;
}
.product-item-desc { font-size: 13px; color: var(--c-gray-500); line-height: 1.8; }

/* ============================================
   モバイルドロワーメニュー
   1024px以上では非表示。ハンバーガーと連動。
   ============================================ */
.drawer { display: none; }
.drawer-overlay { display: none; }

@media (max-width: 1023px) {
  .hamburger {
    position: relative;
    z-index: 110;
    height: 22px;
    justify-content: center;
  }
  .hamburger span { transition: transform 0.3s, opacity 0.3s; }
  .hamburger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .hamburger.is-open span:nth-child(2) { opacity: 0; }
  .hamburger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .drawer-overlay {
    display: block;
    position: fixed; inset: 0;
    z-index: 104;
    background: rgba(4, 16, 42, 0.55);
    backdrop-filter: blur(2px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.4s, visibility 0.4s;
  }
  .drawer-overlay.is-open { opacity: 1; visibility: visible; }

  .drawer {
    display: flex; flex-direction: column;
    position: fixed; top: 0; right: 0; bottom: 0;
    width: min(82vw, 360px);
    z-index: 105;
    background: var(--c-primary-deep);
    color: var(--c-white);
    padding: 100px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }
  .drawer.is-open { transform: translateX(0); }
  .drawer-close {
    position: absolute; top: 28px; right: 24px;
    width: 38px; height: 38px;
    padding: 0; border: 0; background: transparent;
    cursor: pointer;
  }
  .drawer-close span {
    position: absolute; left: 50%; top: 50%;
    width: 24px; height: 1.6px;
    background: var(--c-white);
    transition: opacity 0.3s;
  }
  .drawer-close span:nth-child(1) { transform: translate(-50%, -50%) rotate(45deg); }
  .drawer-close span:nth-child(2) { transform: translate(-50%, -50%) rotate(-45deg); }
  .drawer-close:hover span { opacity: 0.6; }
  .drawer-nav li { border-bottom: 1px solid rgba(252, 252, 252, 0.14); }
  .drawer-nav a {
    display: flex; align-items: baseline; gap: 14px;
    padding: 18px 4px;
    font-family: var(--ff-en);
    font-size: 16px; letter-spacing: 0.15em;
    transition: opacity 0.3s;
  }
  .drawer-nav a:hover { opacity: 0.65; }
  .drawer-nav a .jp {
    font-family: var(--ff-jp);
    font-size: 12px; letter-spacing: 0.06em;
    color: rgba(252, 252, 252, 0.6);
  }
  .drawer-nav a.is-current { color: var(--c-accent-light); }
  .drawer-nav a.is-current .jp { color: var(--c-accent-light); opacity: 0.75; }
  .drawer-cta {
    display: flex; align-items: center; justify-content: center;
    margin-top: 28px;
    padding: 16px;
    background: var(--c-accent); color: var(--c-white);
    font-size: 14px; font-weight: 500; letter-spacing: 0.06em;
    transition: opacity 0.3s;
  }
  .drawer-cta:hover { opacity: 0.85; }
  body.is-drawer-open { overflow: hidden; }
}

/* ============================================
   丸角リッチ化 — 角張った印象の緩和
   波線とあわせて有機的なトーンへ
   ============================================ */
/* ボタン */
.c-btn,
.cta-btn,
.hero-cta,
.sp-cta-btn,
.drawer-cta { border-radius: var(--r-s); }
/* フォーム部品 */
.form-input,
.form-select,
.form-textarea,
.type-radio-item,
.form-agree,
.sample-note-box { border-radius: var(--r-s); }
.pagination a,
.pagination span { border-radius: var(--r-s); }
/* タグ・フィルタ */
.case-filter-btn,
.news-filter-btn,
.news-cat,
.case-cat,
.top-news-cat,
.news-strip-cat,
.product-item-cap,
.product-card-tag,
.form-required,
.form-optional { border-radius: 4px; }
/* カード */
.process-step,
.product-item,
.vendor-card,
.ratio-block,
.contact-cta-block,
.flow-step,
.license-visual,
.sample-flow,
.case-card { border-radius: var(--r-m); }
.product-card { border-radius: var(--r-m); overflow: hidden; }
/* 罫線付きテーブル系(角丸＋内側クリップ) */
.nutrition,
.company-table,
.confirm-table { border-radius: var(--r-m); overflow: hidden; }
/* 画像枠 */
.about-story-img,
.brand-intro-img,
.article-thumb { border-radius: var(--r-m); }
/* 大型ブロック */
.about-depth,
.brand-depth,
.about-supply,
.brand-positioning { border-radius: var(--r-l); }

/* ============================================
   森のシルエット — 知床の森(緑)をさりげなく
   緑背景の POSITIONING ブロック下端に針葉樹の樹林を重ねる
   ============================================ */
.brand-positioning .forest-line {
  position: absolute; left: 0; right: 0; bottom: 0;
  pointer-events: none; z-index: 0;
  -webkit-mask: url(../img/forest-line.svg) repeat-x bottom / auto 100%;
  mask: url(../img/forest-line.svg) repeat-x bottom / auto 100%;
}
.brand-positioning .forest-line--back {
  height: 150px;
  background-color: var(--c-forest-light);
  opacity: 0.3;
}
.brand-positioning .forest-line--front {
  height: 116px;
  background-color: var(--c-forest-deep);
  opacity: 0.5;
}
.brand-positioning .positioning-label,
.brand-positioning .positioning-headline { position: relative; z-index: 1; }

/* ============================================
   DEEP SEA WATER — ver2: スクロール潜行(海面→断面 / illust-003 高解像度)
   #deep-sea.deep-wrap(260vh)内で .deep-cf を sticky 固定し、
   スクロール量で潜行(crossfade → 深度軸 → 取水点350m / 文章フェードイン)。
   連動JS: js/main.js の「#deep-sea: スクロール潜行」ブロック
   ============================================ */
#deep-sea.deep-wrap { position: relative; width: 100%; margin: 0; height: 260vh; background: var(--c-primary-deep); }
#deep-sea .deep-cf { position: sticky; top: 0; width: 100%; height: 100vh; overflow: hidden; background: #020C1E; color: var(--c-white); transform: translateZ(0); }
#deep-sea .deep-cf-img { display: block; position: absolute; inset: 0; width: 100%; height: 100%; transform: translateZ(0); backface-visibility: hidden; }
#deep-sea .deep-cf-img img { width: 100%; height: 100%; object-fit: cover; object-position: 52% 76%; display: block; }
#deep-sea .deep-cf-after { opacity: 0; will-change: opacity; }
#deep-sea .deep-cf-grad {
  position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(4,16,42,0.72) 0%, rgba(4,16,42,0.36) 30%, rgba(4,16,42,0) 54%),
    linear-gradient(180deg, rgba(4,16,42,0.26) 0%, rgba(4,16,42,0) 20%);
}
/* 深度軸 */
#deep-sea .deep-cf-axis { position: absolute; right: 6.5%; top: 13%; bottom: 20%; width: 74px; z-index: 4; pointer-events: none; }
#deep-sea .deep-cf-line { position: absolute; right: 0; top: 0; width: 2.5px; height: 100%; transform-origin: top; transform: scaleY(0); background: linear-gradient(180deg, rgba(252,252,252,0.5), rgba(201,169,97,1)); will-change: transform; }
#deep-sea .deep-cf-tick { position: absolute; right: 0; display: flex; align-items: center; gap: 7px; transform: translateY(-50%); opacity: 0; }
#deep-sea .deep-cf-tick::after { content: ""; width: 17px; height: 1.5px; background: rgba(201,169,97,0.8); }
#deep-sea .deep-cf-tick b { font-family: var(--ff-en); font-size: 14px; color: rgba(222,197,143,0.96); letter-spacing: 0.04em; font-weight: 600; text-shadow: 0 1px 6px rgba(0,0,0,0.6); }
#deep-sea .deep-cf-t0 { top: 0; }
#deep-sea .deep-cf-t1 { top: 30%; }
#deep-sea .deep-cf-t2 { top: 59%; }
/* 取水点350m マーカー(scale は JS が --mkS で駆動) */
#deep-sea .deep-cf-mk { position: absolute; right: -15px; bottom: -20px; display: flex; flex-direction: row-reverse; align-items: center; gap: 16px; transform: translate(0, 50%) scale(var(--mkS, 0.82)); opacity: 0; will-change: transform, opacity; }
#deep-sea .deep-cf-dot { position: relative; width: 32px; height: 32px; border: 3px solid var(--c-accent); border-radius: 50%; flex-shrink: 0; box-shadow: 0 0 24px rgba(201,169,97,0.45); }
#deep-sea .deep-cf-dot::after { content: ""; position: absolute; top: 50%; left: 50%; width: 12px; height: 12px; background: var(--c-accent); border-radius: 50%; transform: translate(-50%, -50%); }
#deep-sea .deep-cf-mk.on .deep-cf-dot { animation: deepPulse 2.6s ease-in-out infinite; }
@keyframes deepPulse {
  0%, 100% { box-shadow: 0 0 24px rgba(201,169,97,0.3), 0 0 0 0 rgba(201,169,97,0.55); }
  50% { box-shadow: 0 0 24px rgba(201,169,97,0.3), 0 0 0 22px rgba(201,169,97,0); }
}
#deep-sea .deep-cf-lbl { font-family: var(--ff-jp-serif); font-size: 21px; color: var(--c-accent-light); text-shadow: 0 2px 16px rgba(0,0,0,0.9); white-space: nowrap; text-align: right; line-height: 1; }
#deep-sea .deep-cf-lbl em { font-family: var(--ff-en); font-style: normal; font-size: 90px; font-weight: 600; color: var(--c-accent); margin-right: 1px; text-shadow: 0 3px 22px rgba(0,0,0,0.8); line-height: 1; }
#deep-sea .deep-cf-lbl i { font-family: var(--ff-en); font-style: normal; font-size: 30px; font-weight: 500; color: var(--c-accent); text-shadow: 0 2px 14px rgba(0,0,0,0.7); }
/* コピー(スクロールで順次フェードイン) */
#deep-sea .deep-cf-text { position: absolute; left: 56px; bottom: 48px; z-index: 5; max-width: 500px; }
#deep-sea .deep-cf-text > * { opacity: 0; transform: translateY(14px); will-change: opacity, transform; }
#deep-sea .deep-cf-text .section-eyebrow { font-family: var(--ff-en); font-size: 13px; letter-spacing: 0.34em; color: var(--c-accent); margin-bottom: 14px; }
#deep-sea .deep-cf-text .section-title { font-family: var(--ff-jp-serif); font-size: 42px; font-weight: 500; line-height: 1.4; letter-spacing: 0.04em; color: var(--c-white); text-shadow: 0 2px 22px rgba(0,0,0,0.85); margin-bottom: 16px; white-space: nowrap; }
#deep-sea .deep-cf-tag { display: inline-block; margin-bottom: 14px; padding-left: 15px; border-left: 2px solid rgba(201,169,97,0.65); font-family: var(--ff-jp-serif); font-size: 16px; letter-spacing: 0.07em; color: var(--c-accent-light); text-shadow: 0 1px 10px rgba(0,0,0,0.8); }
#deep-sea .deep-cf-text p { font-size: 13px; line-height: 1.9; color: rgba(252,252,252,0.92); max-width: 380px; text-shadow: 0 1px 16px rgba(0,0,0,0.9); }
#deep-sea .deep-cf-text p + p { margin-top: 0.7em; }
/* タブレット */
@media (max-width: 1023px) {
  #deep-sea .deep-cf-text { left: 40px; bottom: 40px; }
  #deep-sea .deep-cf-text .section-title { font-size: 34px; }
}
/* SP = 案C: 画像主役(上) / テキスト下半分の暗化ゾーン */
@media (max-width: 600px) {
  #deep-sea .deep-cf-img img { object-position: 50% 46%; }
  #deep-sea .deep-cf-grad { background: linear-gradient(180deg, rgba(4,16,42,0) 40%, rgba(2,10,24,0.55) 64%, rgba(2,10,24,0.92) 100%); }
  #deep-sea .deep-cf-text { left: 22px; right: 22px; bottom: 5%; top: auto; max-width: none; }
  #deep-sea .deep-cf-text .section-title { font-size: 25px; white-space: normal; margin-bottom: 10px; }
  #deep-sea .deep-cf-tag { font-size: 14px; margin-bottom: 9px; }
  #deep-sea .deep-cf-text p { font-size: 12px; max-width: none; }
  #deep-sea .deep-cf-text p + p { margin-top: 0.6em; }
  #deep-sea .deep-cf-axis { right: 24px; left: auto; top: 14%; bottom: 42%; width: 46px; }
  #deep-sea .deep-cf-t1 { top: 30%; }
  #deep-sea .deep-cf-t2 { top: 59%; }
  #deep-sea .deep-cf-lbl em { font-size: 50px; }
  #deep-sea .deep-cf-lbl i { font-size: 18px; }
}

/* SP(≤600px): deep-sea を「pin無し・1画面構図・入ったらクロスフェード」に。
   iOS白化/カクつき対策で <picture>/object-fit/translateZ/will-change を使わず background-image:cover で描画。
   PCのフルpin潜行(基本定義)はそのまま維持。連動: js/main.js が #deep-sea に .is-revealed を付与。 */
@media (max-width: 600px) {
  #deep-sea.deep-wrap { height: auto; }
  #deep-sea .deep-cf { position: relative; top: auto; height: 100vh; transform: none; }
  #deep-sea .deep-cf-img { transform: none; backface-visibility: visible;
    background-size: cover; background-position: 50% 46%; background-repeat: no-repeat; }
  #deep-sea .deep-cf-img img { display: none; } /* iOSで白化する<img>を隠し、背景画像で描画 */
  #deep-sea .deep-cf-before { background-image: url(../img/illust-003-sp-before-w1080.jpg); }
  #deep-sea .deep-cf-after  { background-image: url(../img/illust-003-sp-after-w1080.jpg);
    opacity: 0; will-change: auto; transition: opacity 1.1s ease; }
  #deep-sea .deep-cf-line { will-change: auto; transition: transform 0.8s ease; }
  #deep-sea .deep-cf-tick { transition: opacity 0.5s ease; }
  #deep-sea .deep-cf-mk { right: -23px; bottom: -20px; top: auto; transform: translate(0, 50%) scale(0.82); will-change: auto; transition: opacity 0.6s ease; } /* SP: いずみやさん指定 right:-23px(右端寄り) */
  #deep-sea .deep-cf-text > * { will-change: auto; transition: opacity 0.6s ease, transform 0.6s ease; }
  /* 画面に入ったら順に表示 */
  #deep-sea.is-revealed .deep-cf-after { opacity: 1; }
  #deep-sea.is-revealed .deep-cf-line { transform: scaleY(1); transition-delay: 0.35s; }
  #deep-sea.is-revealed .deep-cf-t0 { opacity: 0.9; transition-delay: 0.45s; }
  #deep-sea.is-revealed .deep-cf-t1 { opacity: 0.9; transition-delay: 0.55s; }
  #deep-sea.is-revealed .deep-cf-t2 { opacity: 0.9; transition-delay: 0.65s; }
  #deep-sea.is-revealed .deep-cf-mk { opacity: 1; transition-delay: 0.7s; }
  #deep-sea.is-revealed .deep-cf-text .section-eyebrow { opacity: 1; transform: none; transition-delay: 0.55s; }
  #deep-sea.is-revealed .deep-cf-text .section-title { opacity: 1; transform: none; transition-delay: 0.65s; }
  #deep-sea.is-revealed .deep-cf-text .deep-cf-tag { opacity: 1; transform: none; transition-delay: 0.8s; }
  #deep-sea.is-revealed .deep-cf-text p { opacity: 1; transform: none; transition-delay: 0.9s; }
}