/*
Theme Name: MoreChoice
Theme URI: https://morechoice.jp
Author: MoreChoice Inc.
Author URI: https://morechoice.jp
Description: 株式会社MoreChoice コーポレートサイト オリジナルテーマ。「選択肢を増やし、可能性を広げる」をコンセプトに、余白・写真・タイポグラフィ・滑らかなスクロール演出で思想を伝える設計。
Version: 2.0.0
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: morechoice
*/

/* ============================================
   Design Tokens
   ============================================ */

:root {
  /* Brand palette */
  --c-main: #4289B7;
  --c-deep: #1F5F8B;
  --c-navy: #102A43;
  --c-pale: #EAF4FA;
  --c-sky: #F5FAFD;
  --c-text: #1F2933;
  --c-sub: #667085;
  --c-border: #E5E7EB;
  --c-white: #FFFFFF;
  --c-accent: #F28B5B;

  /* Typography */
  --font-jp: 'Zen Kaku Gothic New', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-head: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --font-en: 'Montserrat', 'Noto Sans JP', sans-serif;

  /* Layout */
  --container: 1160px;
  --container-narrow: 760px;
  --section-pad: clamp(104px, 13vw, 196px);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --reveal-duration: 1.1s;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 16px;
  line-height: 2.1;
  color: var(--c-text);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.04em;
  overflow-x: clip;
}

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

a {
  color: var(--c-main);
  text-decoration: none;
  transition: opacity 0.3s var(--ease), color 0.3s var(--ease);
}

a:hover {
  opacity: 0.75;
}

h1, h2, h3, h4 {
  line-height: 1.6;
  letter-spacing: 0.05em;
  font-weight: 700;
  margin: 0;
}

p {
  margin: 0;
}

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

::selection {
  background: var(--c-pale);
  color: var(--c-deep);
}

/* ============================================
   Layout
   ============================================ */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(24px, 5vw, 48px);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  position: relative;
  padding-block: var(--section-pad);
}

.section--sky {
  background: var(--c-sky);
}

.section--pale {
  background: var(--c-pale);
}

/* 英字ウォーターマーク(奥行き演出) */
.section[data-watermark]::before {
  content: attr(data-watermark);
  position: absolute;
  top: clamp(16px, 3.5vw, 44px);
  right: clamp(-8px, -0.5vw, 0px);
  z-index: 0;
  font-family: var(--font-en);
  font-size: clamp(72px, 12vw, 168px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(66, 137, 183, 0.13);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

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

/* ============================================
   Typography
   ============================================ */

.sec-head {
  margin-bottom: clamp(48px, 7vw, 80px);
}

.sec-head__en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--c-main);
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.sec-head__en::before {
  content: '';
  width: 36px;
  height: 1px;
  background: var(--c-main);
}

.sec-head__ja {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.7;
  letter-spacing: 0.08em;
}

.sec-head--center {
  text-align: center;
}

.sec-head--center .sec-head__en {
  justify-content: center;
}

.sec-head--center .sec-head__en::before {
  display: none;
}

.sec-head__lead {
  margin-top: 28px;
  color: var(--c-sub);
  max-width: 620px;
  font-size: 15.5px;
}

.sec-head--center .sec-head__lead {
  margin-inline: auto;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 18px 44px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border: 1px solid transparent;
  overflow: hidden;
  transition: color 0.45s var(--ease), background-color 0.45s var(--ease), border-color 0.45s var(--ease), transform 0.45s var(--ease);
}

.btn::after {
  content: '→';
  font-family: var(--font-en);
  transition: transform 0.45s var(--ease);
}

.btn:hover {
  opacity: 1;
  transform: translateY(-2px);
}

.btn:hover::after {
  transform: translateX(6px);
}

.btn--primary {
  background: var(--c-main);
  color: var(--c-white);
}

.btn--primary:hover {
  background: var(--c-deep);
}

.btn--outline {
  background: transparent;
  color: var(--c-deep);
  border-color: rgba(31, 95, 139, 0.45);
}

.btn--outline:hover {
  background: var(--c-white);
  border-color: var(--c-deep);
}

/* ============================================
   Scroll Reveal(IntersectionObserverと連動)
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(44px);
  transition:
    opacity var(--reveal-duration) var(--ease),
    transform var(--reveal-duration) var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal.is-inview {
  opacity: 1;
  transform: none;
}

/* 画像のスケールリビール */
.reveal-zoom {
  overflow: hidden;
}

.reveal-zoom img {
  transform: scale(1.12);
  transition: transform 1.6s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}

.reveal-zoom.is-inview img {
  transform: scale(1);
}

/* ============================================
   Header
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  transition: background-color 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

/* トップページ:ヒーローに重ねる透過ヘッダー */
.home .site-header {
  position: fixed;
  left: 0;
  right: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

.home .site-header.is-scrolled,
.home .site-header.is-open {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--c-border);
}

.site-header__inner {
  max-width: 1320px;
  margin-inline: auto;
  padding: 0 clamp(24px, 4vw, 40px);
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  align-items: center;
}

.site-logo:hover {
  opacity: 0.8;
}

.site-logo__img {
  height: 24px;
  width: auto;
}

.gnav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.gnav__list {
  display: flex;
  gap: 28px;
}

.gnav__link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.3;
  padding-block: 6px;
}

.gnav__link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 1.5px;
  background: var(--c-main);
  transition: width 0.4s var(--ease), left 0.4s var(--ease);
}

.gnav__link:hover::after,
.gnav__link.is-active::after {
  width: 100%;
  left: 0;
}

.gnav__en {
  font-family: var(--font-en);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-text);
}

.gnav__ja {
  font-size: 10px;
  color: var(--c-sub);
}

.gnav__link.is-active .gnav__en,
.gnav__link:hover .gnav__en {
  color: var(--c-main);
}

.gnav__cta {
  background: var(--c-main);
  color: var(--c-white);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 12px 30px;
  border-radius: 999px;
  transition: background-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.gnav__cta:hover {
  background: var(--c-deep);
  transform: translateY(-2px);
  opacity: 1;
}

.menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-btn span {
  display: block;
  height: 1.5px;
  background: var(--c-text);
  border-radius: 2px;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}

.menu-btn[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.menu-btn[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.menu-btn[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ---------- モバイルメニュー(フルスクリーンオーバーレイ) ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: linear-gradient(160deg, #FFFFFF 0%, var(--c-sky) 60%, var(--c-pale) 100%);
  padding: calc(76px + clamp(20px, 5vw, 40px)) clamp(28px, 7vw, 56px) clamp(32px, 6vw, 48px);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: opacity 0.5s var(--ease), transform 0.6s var(--ease), visibility 0.5s;
  pointer-events: none;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

/* うっすら波マークを背景装飾に */
.mobile-menu::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -40px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle at 70% 30%, rgba(66, 137, 183, 0.10), transparent 60%);
  pointer-events: none;
}

.mobile-menu__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.mobile-menu__list {
  flex-grow: 1;
}

.mobile-menu__item {
  border-bottom: 1px solid rgba(31, 95, 139, 0.12);
}

/* 開いたときに項目を時間差でフェードアップ */
.mobile-menu__item,
.mobile-menu__foot {
  opacity: 0;
  transform: translateY(16px);
}

.mobile-menu.is-open .mobile-menu__item,
.mobile-menu.is-open .mobile-menu__foot {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: calc(0.06s * var(--mm-i, 0) + 0.1s);
}

.mobile-menu__link {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 4px;
  color: var(--c-text);
}

.mobile-menu__num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-main);
  opacity: 0.65;
  min-width: 24px;
}

.mobile-menu__label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-menu__en {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-text);
  line-height: 1.2;
}

.mobile-menu__ja {
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--c-sub);
}

.mobile-menu__arrow {
  margin-left: auto;
  font-family: var(--font-en);
  color: var(--c-main);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.mobile-menu__link:active .mobile-menu__arrow,
.mobile-menu__item:hover .mobile-menu__arrow {
  opacity: 1;
  transform: none;
}

/* フッター:CTA + 関連サイト + コピーライト */
.mobile-menu__foot {
  margin-top: clamp(32px, 6vw, 48px);
}

.mobile-menu__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  padding: 18px;
  border-radius: 999px;
  background: var(--c-main);
  color: var(--c-white);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background-color 0.3s var(--ease);
}

.mobile-menu__cta span {
  font-family: var(--font-en);
}

.mobile-menu__cta:active {
  background: var(--c-deep);
  opacity: 1;
}

.mobile-menu__sub {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 28px;
}

.mobile-menu__sub a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-deep);
}

.mobile-menu__sub a::after {
  content: '↗';
  margin-left: 4px;
  font-size: 11px;
  opacity: 0.7;
}

.mobile-menu__copy {
  margin-top: 22px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-sub);
  opacity: 0.7;
}

/* スクロールロック */
body.is-menu-open {
  overflow: hidden;
}

@media (min-width: 1024px) {
  /* PCではオーバーレイを完全に無効化 */
  .mobile-menu {
    display: none;
  }
}

@media (max-width: 1023px) {
  .gnav {
    display: none;
  }
  .menu-btn {
    display: flex;
  }
}

/* ============================================
   Hero(トップページ)
   ============================================ */

.hero {
  position: relative;
  min-height: max(92svh, 640px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-drift 28s var(--ease) infinite alternate;
  transform-origin: 60% 40%;
}

@keyframes hero-drift {
  from { transform: scale(1.02); }
  to { transform: scale(1.09); }
}

/* 水面テクスチャを白く沈め、主張を抑える */
.hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.62) 0%, rgba(255, 255, 255, 0.74) 60%, rgba(255, 255, 255, 0.97) 100%),
    linear-gradient(92deg, rgba(255, 255, 255, 0.55) 0%, rgba(255, 255, 255, 0.32) 55%, rgba(255, 255, 255, 0.18) 100%);
}

/* 右側の波マーク(公式ロゴモチーフ mv-object.svg) */
.hero__wave {
  position: absolute;
  z-index: 1;
  /* 半分以上を画面右外へ逃がす(やや左寄せ) */
  right: max(-600px, -41vw);
  top: 48%;
  width: clamp(672px, 77vw, 1248px);
  height: auto;
  transform: translateY(-50%);
  color: var(--c-main);
  opacity: 0;
  overflow: visible;
  animation: wave-in 1.6s var(--ease) calc(var(--hero-delay, 0s) + 0.7s) forwards;
  pointer-events: none;
}

@keyframes wave-in {
  from { opacity: 0; transform: translateY(calc(-50% + 18px)); }
  to { opacity: 1; transform: translateY(-50%); }
}

/* 描画完了後にゆったり漂う(別レイヤーに分離) */
.hero__wave-float {
  animation: wave-float 7s ease-in-out infinite alternate;
}

@keyframes wave-float {
  from { transform: translateY(0); }
  to { transform: translateY(14px); }
}

.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: 76px;
}

.hero__en {
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--c-main);
  margin-bottom: 30px;
  opacity: 0;
  animation: fade-in 1.4s var(--ease) calc(var(--hero-delay, 0s) + 0.9s) forwards;
}

.hero__title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(34px, 5.4vw, 66px);
  line-height: 1.4;
  letter-spacing: 0.14em;
}

/* 行ごとのマスクリビール */
.hero__line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}

.hero__line > span {
  display: inline-block;
  transform: translateY(112%);
  animation: line-up 1.3s var(--ease) forwards;
}

.hero__line:nth-child(1) > span { animation-delay: calc(var(--hero-delay, 0s) + 0.25s); }
.hero__line:nth-child(2) > span { animation-delay: calc(var(--hero-delay, 0s) + 0.42s); }

@keyframes line-up {
  to { transform: translateY(0); }
}

.hero__lead {
  margin-top: 36px;
  max-width: 560px;
  color: #4A5562;
  font-size: 16px;
  line-height: 2.3;
  opacity: 0;
  animation: fade-up 1.3s var(--ease) calc(var(--hero-delay, 0s) + 1.05s) forwards;
}

.hero__cta {
  margin-top: 52px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  opacity: 0;
  animation: fade-up 1.3s var(--ease) calc(var(--hero-delay, 0s) + 1.25s) forwards;
}

@keyframes fade-in {
  to { opacity: 1; }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: none; }
}

/* スクロールキュー */
.hero__scroll {
  position: absolute;
  bottom: 0;
  left: clamp(24px, 5vw, 48px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  opacity: 0;
  animation: fade-in 1.4s var(--ease) calc(var(--hero-delay, 0s) + 1.8s) forwards;
}

.hero__scroll-label {
  font-family: var(--font-en);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--c-sub);
  writing-mode: vertical-rl;
}

.hero__scroll-line {
  width: 1px;
  height: 64px;
  background: rgba(31, 95, 139, 0.25);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: '';
  position: absolute;
  left: 0;
  top: -100%;
  width: 100%;
  height: 100%;
  background: var(--c-deep);
  animation: scroll-line 2.2s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scroll-line {
  0% { top: -100%; }
  55%, 100% { top: 100%; }
}

@media (max-width: 768px) {
  .hero {
    min-height: max(86svh, 560px);
  }
  /* 各行を1行に収めるため字間を少し抑える */
  .hero__title {
    letter-spacing: 0.08em;
  }
  .hero__media::after {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.7) 0%, rgba(255, 255, 255, 0.62) 55%, rgba(255, 255, 255, 0.95) 100%);
  }
  .hero__wave {
    width: clamp(200px, 56vw, 300px);
    right: -70px;
    top: auto;
    bottom: 1%;
    transform: none;
    opacity: 0;
    animation-name: wave-in-mobile;
  }
  @keyframes wave-in-mobile {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 0.45; transform: translateY(0); }
  }
  .hero__scroll {
    display: none;
  }
}

/* ============================================
   Loading(トップ初回のみ・sessionStorage制御)
   ============================================ */

.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--c-white);
  display: none;
  align-items: center;
  justify-content: center;
}

html.is-loading {
  --hero-delay: 1.5s;
}

html.is-loading .loader {
  display: flex;
  animation: loader-out 0.65s var(--ease) 1.55s forwards;
}

.loader__wave {
  width: clamp(200px, 26vw, 300px);
  height: auto;
  color: var(--c-main);
  overflow: visible;
  /* 公式マークを左から右へワイプで描く */
  clip-path: inset(-20% 100% -20% 0);
  animation: loader-wipe 1.05s var(--ease) 0.25s forwards;
}

@keyframes loader-wipe {
  to { clip-path: inset(-20% 0% -20% 0); }
}

@keyframes loader-out {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.is-loading .loader {
    display: none;
  }
  html.is-loading {
    --hero-delay: 0s;
  }
}

/* ============================================
   Front: About
   (全幅見出し+左断ち落とし写真+右オフセット本文)
   ============================================ */

/* 大きな見出し:フレーズ単位でのみ折り返す
   (最小値はモバイル幅でフレーズが1行に収まるサイズ) */
.sec-head__ja--lg {
  font-size: clamp(25px, 4.8vw, 56px);
}

.u-phrase {
  display: inline-block;
}

.front-about {
  display: grid;
  grid-template-columns: minmax(320px, 46vw) minmax(0, 1fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: start;
  margin-top: clamp(8px, 2vw, 24px);
}

.front-about__media {
  border-radius: 0 32px 32px 0;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  box-shadow: 0 32px 64px -28px rgba(31, 95, 139, 0.35);
}

.front-about__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.front-about__caption {
  margin-top: 18px;
  padding-left: clamp(24px, 5vw, 48px);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--c-sub);
  display: flex;
  align-items: center;
  gap: 14px;
}

.front-about__caption::after {
  content: '';
  width: 44px;
  height: 1px;
  background: var(--c-border);
}

.front-about__body {
  font-size: 15.5px;
  color: #3D4852;
  max-width: 560px;
  /* 写真に対して本文を下にずらし、リズムをつくる */
  padding-top: clamp(24px, 6vw, 96px);
  padding-right: clamp(24px, 5vw, 48px);
}

.front-about__body p + p {
  margin-top: 1.8em;
}

.front-about__link {
  margin-top: 44px;
}

@media (max-width: 860px) {
  .front-about {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .front-about__media {
    border-radius: 0;
    aspect-ratio: 16 / 10;
  }
  .front-about__body {
    padding: 40px 24px 0;
    max-width: none;
  }
}

/* ============================================
   Philosophy band(写真+思想ステートメント)
   ============================================ */

.philosophy {
  position: relative;
  min-height: clamp(420px, 60vh, 560px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url('assets/img/photos/band-horizon.jpg');
  background-size: cover;
  background-position: center 65%;
  color: var(--c-white);
  overflow: hidden;
}

@media (min-width: 1024px) and (hover: hover) {
  .philosophy {
    background-attachment: fixed; /* 奥行きのあるパララックス(デスクトップのみ) */
  }
}

.philosophy::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(16, 42, 67, 0.5) 0%, rgba(16, 42, 67, 0.32) 50%, rgba(16, 42, 67, 0.55) 100%);
}

.philosophy__inner {
  position: relative;
  z-index: 1;
  padding: 64px 24px;
}

.philosophy__en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 28px;
}

.philosophy__statement {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(26px, 4.6vw, 50px);
  line-height: 1.9;
  letter-spacing: 0.16em;
  text-shadow: 0 2px 24px rgba(16, 42, 67, 0.45);
}

.philosophy__sub {
  margin-top: 26px;
  font-size: 14.5px;
  letter-spacing: 0.14em;
  opacity: 0.92;
}

/* ============================================
   Cards 共通
   ============================================ */

.card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 44px 38px;
  transition: box-shadow 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.6s var(--ease);
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 137, 183, 0.35);
  box-shadow: 0 28px 56px -24px rgba(31, 95, 139, 0.28);
}

.tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-main);
  background: var(--c-pale);
  border-radius: 999px;
  padding: 4px 16px;
}

/* ============================================
   Mission / Vision
   ============================================ */

/* エディトリアルな2行構成(罫線+アウトライン番号) */
.mvv {
  display: flex;
  flex-direction: column;
  max-width: 1000px;
  margin-inline: auto;
}

.mvv__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(160px, 240px) 1fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: start;
  padding-block: clamp(44px, 5.5vw, 72px);
  border-top: 1px solid rgba(31, 95, 139, 0.16);
}

.mvv__item:last-child {
  border-bottom: 1px solid rgba(31, 95, 139, 0.16);
}

.mvv__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mvv__no {
  font-family: var(--font-en);
  font-size: clamp(52px, 7vw, 92px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--c-main);
  letter-spacing: 0.01em;
}

.mvv__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-main);
}

.mvv__label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--c-main);
}

.mvv__body {
  padding-top: clamp(6px, 1.5vw, 18px);
}

.mvv__title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.65;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.mvv__text {
  color: var(--c-sub);
  font-size: 14.5px;
  max-width: 620px;
}

@media (max-width: 720px) {
  .mvv__item {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .mvv__head {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }
}

/* ============================================
   Values
   ============================================ */

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-card__num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-main);
  letter-spacing: 0.22em;
}

.value-card__en {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 700;
  margin-top: 14px;
  letter-spacing: 0.02em;
}

.value-card__ja {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-main);
  margin-top: 5px;
}

.value-card__text {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--c-sub);
}

@media (max-width: 960px) {
  .values {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .values {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Business
   ============================================ */

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

.biz-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 24px;
  padding: clamp(36px, 4vw, 52px) clamp(28px, 3.6vw, 46px);
  transition: box-shadow 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.6s var(--ease);
}

.biz-card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 137, 183, 0.35);
  box-shadow: 0 28px 56px -24px rgba(31, 95, 139, 0.28);
}

.biz-card__num {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--c-main);
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.biz-card__num::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(66, 137, 183, 0.35), rgba(66, 137, 183, 0));
  transition: background 0.5s var(--ease);
}

.biz-card:hover .biz-card__num::after {
  background: linear-gradient(90deg, rgba(66, 137, 183, 0.7), rgba(66, 137, 183, 0));
}

.biz-card__en {
  font-family: var(--font-en);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.biz-card__ja {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--c-main);
  margin-top: 5px;
}

.biz-card__text {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--c-sub);
  flex-grow: 1;
}

.biz-card__items {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.biz-card__items li {
  font-size: 12px;
  color: var(--c-sub);
  background: var(--c-sky);
  border-radius: 999px;
  padding: 4px 14px;
}

.biz-card__link {
  margin-top: 28px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.biz-card__link a::after {
  content: ' →';
  font-family: var(--font-en);
  display: inline-block;
  transition: transform 0.4s var(--ease);
}

.biz-card__link a:hover::after {
  transform: translateX(5px);
}

@media (max-width: 860px) {
  .biz-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Business page: 事業構造マップ
   ============================================ */

.biz-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.biz-map__card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 32px 26px 26px;
  color: var(--c-text);
  transition: box-shadow 0.5s var(--ease), transform 0.5s var(--ease), border-color 0.5s var(--ease);
}

.biz-map__card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 137, 183, 0.35);
  box-shadow: 0 24px 48px -22px rgba(31, 95, 139, 0.28);
  opacity: 1;
}

.biz-map__no {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(66, 137, 183, 0.55);
}

.biz-map__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin: 10px 0 8px;
  border-radius: 13px;
  background: var(--c-pale);
  color: var(--c-main);
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
}

.biz-map__card:hover .biz-map__icon {
  background: var(--c-main);
  color: var(--c-white);
}

.biz-map__icon svg {
  width: 23px;
  height: 23px;
}

.biz-map__en {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.biz-map__ja {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--c-main);
}

.biz-map__text {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-sub);
}

.biz-map__more {
  margin-top: 16px;
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-main);
}

.biz-map__more::after {
  content: ' ↓';
}

@media (max-width: 900px) {
  .biz-map {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .biz-map {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Business page: 事業詳細(2カラム・エディトリアル)
   ============================================ */

.biz-detail {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.biz-detail__aside {
  position: sticky;
  top: 110px;
  display: flex;
  flex-direction: column;
}

.biz-detail__no {
  font-family: var(--font-en);
  font-size: clamp(56px, 7vw, 96px);
  font-weight: 700;
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--c-main);
  margin-bottom: 22px;
}

.biz-detail__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-main);
  margin-bottom: 14px;
}

.biz-detail__label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--c-main);
}

.biz-detail__ja {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(24px, 3.2vw, 36px);
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.biz-detail__lead {
  font-size: 16px;
  line-height: 2.1;
  color: #3D4852;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--c-border);
}

.biz-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 40px;
  margin-top: 8px;
}

.biz-services li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 4px;
  font-size: 15px;
  border-bottom: 1px solid var(--c-border);
}

.biz-services li::before {
  content: '';
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-main);
}

.biz-detail__cta {
  margin-top: 36px;
}

@media (max-width: 820px) {
  .biz-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .biz-detail__aside {
    position: static;
    top: auto;
  }
  .biz-detail__no {
    margin-bottom: 16px;
  }
}

@media (max-width: 520px) {
  .biz-services {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Strength
   ============================================ */

.strengths {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strength {
  background: var(--c-white);
  border-radius: 20px;
  padding: 40px 34px;
}

.strength__num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-main);
}

.strength__num::after {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: rgba(66, 137, 183, 0.4);
  margin-top: 14px;
}

.strength__title {
  font-size: 16.5px;
  margin-top: 18px;
  letter-spacing: 0.06em;
}

.strength__text {
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--c-sub);
}

@media (max-width: 960px) {
  .strengths {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .strengths {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Works
   ============================================ */

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.work-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 36px 32px;
  color: var(--c-text);
  transition: box-shadow 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.6s var(--ease);
}

.work-card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 137, 183, 0.35);
  box-shadow: 0 28px 56px -24px rgba(31, 95, 139, 0.28);
  opacity: 1;
}

.work-card .tag {
  align-self: flex-start;
}

.work-card__title {
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.05em;
}

.work-card__excerpt {
  font-size: 13.5px;
  color: var(--c-sub);
}

@media (max-width: 960px) {
  .works-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .works-grid {
    grid-template-columns: 1fr;
  }
}

/* TOP実績:自動で流れるティッカー(ホバーで一時停止) */
.works-ticker {
  overflow: hidden;
  /* ホバーで上に浮くカードの上端・影が切れないよう上下に余白を確保 */
  padding-block: 16px 32px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.works-ticker__track {
  display: flex;
  width: max-content;
  animation: works-scroll 48s linear infinite;
}

.works-ticker:hover .works-ticker__track {
  animation-play-state: paused;
}

.works-ticker__group {
  display: flex;
  flex-shrink: 0;
  gap: 28px;
  padding-left: 28px;
}

.works-ticker .work-card {
  width: 320px;
}

/* カード高さを揃えるため本文を行数制限(均一・コンパクト) */
.works-ticker .work-card__title {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.works-ticker .work-card__excerpt {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@keyframes works-scroll {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 768px) {
  .works-ticker__track {
    animation-duration: 32s;
  }
  /* SPはカード幅を固定し、内側余白も詰めて文字を読みやすく。
     スワイプ用の flex:0 0 76% を打ち消す */
  .works-ticker .work-card {
    width: 248px;
    flex: 0 0 248px;
    min-width: 248px;
    padding: 24px 22px;
    gap: 12px;
  }
  .works-ticker .work-card__title {
    font-size: 15px;
    line-height: 1.7;
  }
  .works-ticker__group {
    gap: 14px;
    padding-left: 16px;
  }
}

/* ============================================
   Related sites
   ============================================ */

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 40px 34px;
  color: var(--c-text);
  transition: box-shadow 0.6s var(--ease), transform 0.6s var(--ease), border-color 0.6s var(--ease);
}

a.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(66, 137, 183, 0.35);
  box-shadow: 0 28px 56px -24px rgba(31, 95, 139, 0.28);
  opacity: 1;
}

/* カテゴリ・ジャンル */
.related-card__genre {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--c-main);
  display: flex;
  align-items: center;
  gap: 12px;
}

.related-card__genre::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--c-main);
}

/* ロゴ・ワードマーク */
.related-card__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  margin-top: 4px;
}

.related-card__logo-img {
  height: 22px;
  width: auto;
}

/* EC Choice AI はマーク+文字の横ロゴのため少し大きめに */
.related-card__logo-img--ec {
  height: 30px;
}

.related-card__logo-badge {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-deep);
  border: 1.5px solid var(--c-deep);
  border-radius: 6px;
  padding: 1px 8px;
  line-height: 1.6;
}

.related-card__wordmark {
  font-family: var(--font-en);
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.related-card__wordmark em {
  font-style: normal;
  color: var(--c-main);
}

.related-card__wordmark--soon {
  color: var(--c-sub);
}

.related-card__desc {
  font-size: 13.5px;
  color: var(--c-sub);
  flex-grow: 1;
}

.related-card__url {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-main);
}

.related-card__url::after {
  content: ' →';
  font-family: var(--font-en);
  display: inline-block;
  transition: transform 0.4s var(--ease);
}

a.related-card:hover .related-card__url::after {
  transform: translateX(5px);
}

.related-card__url--soon {
  color: var(--c-sub);
}

.related-card__url--soon::after {
  content: '';
}

.related-card--soon {
  background: var(--c-sky);
  border-style: dashed;
}

@media (max-width: 860px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Front: Message
   ============================================ */

.front-message {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
}

.front-message__photo {
  border-radius: 26px;
  overflow: hidden;
  background: var(--c-pale);
  aspect-ratio: 4 / 5;
  box-shadow: 0 32px 64px -28px rgba(31, 95, 139, 0.35);
}

.front-message__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.front-message__quote {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 2;
  letter-spacing: 0.1em;
}

.front-message__body {
  margin-top: 30px;
  color: var(--c-sub);
  font-size: 15px;
}

/* 代表メッセージページ:冒頭のメインコピー */
.message-copy {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.7;
  letter-spacing: 0.1em;
  margin: clamp(40px, 5vw, 56px) 0 clamp(28px, 4vw, 40px);
}

.front-message__profile {
  margin-top: 34px;
  font-size: 13.5px;
  color: var(--c-sub);
}

.front-message__profile strong {
  font-size: 17px;
  margin-left: 10px;
  color: var(--c-text);
  letter-spacing: 0.12em;
}

@media (max-width: 860px) {
  .front-message {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .front-message__photo {
    max-width: 320px;
  }
}

/* ============================================
   News list
   ============================================ */

.news-list li {
  border-bottom: 1px solid var(--c-border);
}

.news-list li:first-child {
  border-top: 1px solid var(--c-border);
}

.news-list__link {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 30px 12px;
  color: var(--c-text);
  transition: background-color 0.45s var(--ease), padding-left 0.45s var(--ease);
}

.news-list__link:hover {
  background: var(--c-sky);
  padding-left: 22px;
  opacity: 1;
}

.news-list__date {
  font-family: var(--font-en);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-sub);
  white-space: nowrap;
}

.news-list__cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--c-main);
  background: var(--c-pale);
  border-radius: 999px;
  padding: 2px 14px;
  white-space: nowrap;
}

.news-list__title {
  font-size: 15px;
}

@media (max-width: 640px) {
  .news-list__link {
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 22px 4px;
  }
  .news-list__link:hover {
    padding-left: 4px;
  }
  .news-list__title {
    width: 100%;
  }
}

/* ============================================
   Marquee(ブランドステートメントの帯)
   ============================================ */

.marquee {
  overflow: hidden;
  padding-block: clamp(40px, 6vw, 72px);
  background: var(--c-white);
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 52s linear infinite;
}

.marquee__group {
  display: flex;
  flex-shrink: 0;
}

.marquee__group span {
  font-family: var(--font-en);
  font-size: clamp(56px, 9vw, 120px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1px rgba(66, 137, 183, 0.28);
  padding-right: clamp(48px, 7vw, 110px);
}

@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============================================
   CTA band
   ============================================ */

.cta-band {
  position: relative;
  background: linear-gradient(140deg, var(--c-main) 0%, var(--c-deep) 70%, #1A4E73 100%);
  color: var(--c-white);
  text-align: center;
  padding-block: clamp(110px, 14vw, 170px);
  overflow: hidden;
}

/* うっすら波形の装飾 */
.cta-band::before,
.cta-band::after {
  content: '';
  position: absolute;
  left: -10%;
  width: 120%;
  height: 200px;
  background: radial-gradient(60% 100% at 50% 0%, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}

.cta-band::before { top: -60px; transform: rotate(-2deg); }
.cta-band::after { bottom: -120px; transform: rotate(2deg) scaleY(-1); }

.cta-band__en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 24px;
}

.cta-band__title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(26px, 3.8vw, 40px);
  line-height: 1.9;
  letter-spacing: 0.1em;
}

.cta-band__text {
  margin-top: 24px;
  opacity: 0.88;
  font-size: 14.5px;
  letter-spacing: 0.08em;
}

.cta-band__btn {
  margin-top: 48px;
}

.cta-band .btn--primary {
  background: var(--c-white);
  color: var(--c-deep);
  padding: 19px 56px;
}

.cta-band .btn--primary:hover {
  background: var(--c-pale);
}

/* ============================================
   Page hero(下層ページ)
   ============================================ */

.page-hero {
  position: relative;
  background: linear-gradient(165deg, var(--c-sky) 0%, var(--c-pale) 75%, #DFEFF9 100%);
  padding-block: clamp(56px, 7vw, 88px) clamp(56px, 7vw, 88px);
  overflow: hidden;
}

.page-hero::after {
  content: attr(data-mark);
  position: absolute;
  bottom: -0.18em;
  right: -8px;
  font-family: var(--font-en);
  font-size: clamp(80px, 13vw, 190px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(66, 137, 183, 0.12);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

.page-hero__en {
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--c-main);
  margin-bottom: 16px;
  opacity: 0;
  animation: fade-up 1.1s var(--ease) 0.1s forwards;
}

.page-hero__title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(27px, 3.8vw, 42px);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fade-up 1.1s var(--ease) 0.25s forwards;
}

.page-hero__lead {
  margin-top: 26px;
  color: var(--c-sub);
  max-width: 640px;
  font-size: 15px;
  opacity: 0;
  animation: fade-up 1.1s var(--ease) 0.4s forwards;
}

/* ============================================
   Breadcrumb
   ============================================ */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-sub);
  padding-block: 18px 0;
}

/* 下層ページ:ヒーロー直下の最初のセクションは上余白を詰める(離脱防止) */
body:not(.home) main > .section:first-of-type {
  padding-top: clamp(40px, 5vw, 64px);
}

.breadcrumb a {
  color: var(--c-sub);
}

.breadcrumb a:hover {
  color: var(--c-main);
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 8px;
  color: var(--c-border);
}

/* ============================================
   Prose(本文ブロック)
   ============================================ */

.prose {
  font-size: 15.5px;
  line-height: 2.3;
}

.prose p + p {
  margin-top: 1.9em;
}

.prose h2 {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(22px, 2.8vw, 30px);
  letter-spacing: 0.08em;
  margin: 3em 0 1.1em;
  padding-bottom: 0.6em;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}

.prose h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 1.5px;
  background: var(--c-main);
}

.prose h3 {
  font-size: 19px;
  margin: 2.2em 0 0.9em;
  color: var(--c-deep);
  letter-spacing: 0.06em;
}

.prose ul {
  margin: 1.4em 0;
  padding-left: 1.5em;
  list-style: disc;
}

.prose ul li {
  margin-bottom: 0.5em;
}

.prose strong {
  color: var(--c-deep);
}

/* ============================================
   Company table / History
   ============================================ */

.def-table {
  width: 100%;
  border-collapse: collapse;
}

.def-table th,
.def-table td {
  text-align: left;
  padding: 26px 18px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
  font-weight: 400;
  font-size: 15px;
}

.def-table th {
  width: 190px;
  font-weight: 700;
  color: var(--c-deep);
  white-space: nowrap;
  letter-spacing: 0.08em;
}

@media (max-width: 600px) {
  .def-table th,
  .def-table td {
    display: block;
    padding: 8px 0;
  }
  .def-table th {
    border-bottom: none;
    padding-top: 24px;
  }
}

.history li {
  display: flex;
  gap: 36px;
  padding-block: 24px;
  border-bottom: 1px solid var(--c-border);
}

.history__date {
  font-family: var(--font-en);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-main);
  white-space: nowrap;
  min-width: 110px;
}

/* ============================================
   Contact form(Contact Form 7)
   ============================================ */

.contact-form .form-row,
.wpcf7 .form-row {
  margin-bottom: 32px;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

.form-label .req {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--c-white);
  background: var(--c-accent);
  border-radius: 4px;
  padding: 1px 9px;
  margin-left: 10px;
  vertical-align: 2px;
}

.wpcf7 input[type='text'],
.wpcf7 input[type='email'],
.wpcf7 input[type='tel'],
.wpcf7 select,
.wpcf7 textarea {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  color: var(--c-text);
  background: var(--c-white);
  border: 1.5px solid var(--c-border);
  border-radius: 12px;
  padding: 15px 18px;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.wpcf7 input:focus,
.wpcf7 select:focus,
.wpcf7 textarea:focus {
  outline: none;
  border-color: var(--c-main);
  box-shadow: 0 0 0 4px rgba(66, 137, 183, 0.12);
}

.wpcf7 textarea {
  min-height: 190px;
  resize: vertical;
}

.wpcf7 input[type='submit'] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 64px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  background: var(--c-main);
  color: var(--c-white);
  border: none;
  cursor: pointer;
  transition: background-color 0.4s var(--ease), transform 0.4s var(--ease);
}

.wpcf7 input[type='submit']:hover {
  background: var(--c-deep);
  transform: translateY(-2px);
}

.wpcf7 .wpcf7-not-valid-tip {
  font-size: 13px;
  color: #C0392B;
  margin-top: 6px;
}

.wpcf7 form .wpcf7-response-output {
  margin: 32px 0 0;
  padding: 16px 22px;
  border-radius: 12px;
  border: 1.5px solid var(--c-main);
  background: var(--c-pale);
}

.contact-note {
  background: var(--c-sky);
  border-radius: 14px;
  padding: 26px 30px;
  font-size: 13.5px;
  color: var(--c-sub);
  margin-bottom: 56px;
}

/* ============================================
   Article(お知らせ詳細)
   ============================================ */

.article-head {
  margin-bottom: 48px;
}

.article-head__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.article-head__title {
  font-size: clamp(24px, 3.6vw, 32px);
}

/* ============================================
   Pagination / Works filter
   ============================================ */

.pagination {
  margin-top: 72px;
  text-align: center;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding-inline: 8px;
  margin: 0 4px;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-family: var(--font-en);
  font-weight: 600;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.pagination .page-numbers:hover {
  border-color: var(--c-main);
}

.pagination .page-numbers.current {
  background: var(--c-main);
  border-color: var(--c-main);
  color: var(--c-white);
}

.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 56px;
}

.works-filter a {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 8px 22px;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  color: var(--c-sub);
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.works-filter a.is-active,
.works-filter a:hover {
  border-color: var(--c-main);
  color: var(--c-main);
  background: var(--c-pale);
  opacity: 1;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--c-navy);
  color: var(--c-white);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  padding-block: clamp(72px, 9vw, 110px) 64px;
}

.site-footer__company {
  margin-top: 22px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.site-footer__addr {
  margin-top: 8px;
  font-size: 13.5px;
  opacity: 0.8;
}

.site-footer__biz {
  margin-top: 18px;
  font-size: 12px;
  line-height: 2.2;
  opacity: 0.55;
}

.site-footer__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.site-footer__col-title {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  opacity: 0.5;
  margin-bottom: 22px;
}

.site-footer__col li {
  margin-bottom: 14px;
  font-size: 13.5px;
}

.site-footer__col a {
  color: var(--c-white);
  opacity: 0.9;
}

.site-footer__col a:hover {
  opacity: 0.6;
}

.site-footer__soon {
  opacity: 0.45;
  font-size: 13.5px;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.site-footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-block: 26px;
}

.site-footer__policy {
  color: var(--c-white);
  font-size: 12.5px;
  opacity: 0.75;
}

.site-footer__copy {
  font-family: var(--font-en);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  opacity: 0.5;
}

@media (max-width: 768px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ============================================
   Utility
   ============================================ */

.text-center { text-align: center; }
.mt-48 { margin-top: 48px; }
.mt-64 { margin-top: 64px; }

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 480px) {
  .site-logo__img {
    height: 20px;
  }
}

/* ============================================
   モバイル最適化(縦長を抑える / 横スワイプ)
   ============================================ */

@media (max-width: 768px) {
  /* セクション余白を圧縮(104px → 約64px) */
  .section {
    padding-block: 64px;
  }
  .cta-band {
    padding-block: 80px;
  }
  .sec-head {
    margin-bottom: 36px;
  }

  /* Strength / Works を横スワイプ(scroll-snap)に。
     画面端まで広げ、次のカードを少し覗かせてスワイプを示唆 */
  .strengths,
  .works-grid {
    display: flex;
    grid-template-columns: none;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    /* スナップが左paddingを無視して端へ吸着するのを防ぐ */
    scroll-padding-inline: clamp(24px, 5vw, 48px);
    -webkit-overflow-scrolling: touch;
    margin-inline: calc(-1 * clamp(24px, 5vw, 48px));
    padding-inline: clamp(24px, 5vw, 48px);
    padding-bottom: 6px;
    scrollbar-width: none;
  }
  .strengths::-webkit-scrollbar,
  .works-grid::-webkit-scrollbar {
    display: none;
  }
  .strength,
  .work-card {
    flex: 0 0 76%;
    min-width: 76%;
    scroll-snap-align: start;
  }
  /* 横スクロール内ではリビールで隠れたままにならないよう常時表示 */
  .strengths .reveal,
  .works-grid .reveal,
  .strengths.reveal > *,
  .strength,
  .work-card {
    opacity: 1 !important;
    transform: none !important;
  }

  /* スワイプ可能を示す小さなヒント */
  .swipe-hint {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 18px;
    font-family: var(--font-en);
    font-size: 10.5px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-sub);
  }
  .swipe-hint::after {
    content: '→';
  }
}

/* スワイプヒントはPCでは非表示 */
.swipe-hint {
  display: none;
}

/* ============================================
   Reduced motion(演出をすべて無効化)
   ============================================ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .hero__en,
  .hero__lead,
  .hero__cta,
  .page-hero__en,
  .page-hero__title,
  .page-hero__lead {
    opacity: 1;
    transform: none;
  }

  .hero__line > span {
    transform: none;
  }

  .reveal-zoom img {
    transform: none;
  }

  .marquee__track {
    animation: none;
  }

  /* 実績ティッカーは自動再生せず横スクロールに */
  .works-ticker {
    overflow-x: auto;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .works-ticker__track {
    animation: none;
  }
  .works-ticker__group[aria-hidden='true'] {
    display: none;
  }
}