/* ─── Scroll Animation: 初期非表示（JSクラスが付いた時のみ） ─── */
/* gsap.fromTo で明示的に opacity:1 に戻すため CSS 側で 0 にしておく  */
.js .c-title__primary,
.js .c-title__secondary,
.js .top-about__heading__title,
.js .top-about__content p,
.js .company-info__row,
.js .top-service__points__item,
.js .top-service__biz__item,
.js .top-recruit__item,
.js .c-card__cases,
.js .c-news-list,
.js .l-aside__contact__heading,
.js .l-aside__contact__body,
.js .l-aside__contact .c-button__wrap,
.js .l-footer__top,
.js .page-hero__label,
.js .page-hero__title {
  opacity: 0;
}
.js .c-button__arrow:not(.l-header__contact__link) {
  opacity: 0;
}

/* ─── Opening Animation ─── */
    #js-opening {
      position: fixed;
      inset: 0;
      z-index: 9999;
      background: #FDFAF5;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .opening__logo-svg {
      width: clamp(180px, 28vw, 300px);
      overflow: visible;
    }
    /* 各パーツ共通: 上から落ちてくる */
    .op {
      animation: crane-drop 0.42s cubic-bezier(0.3, 0, 0.2, 1) both;
      animation-delay: var(--d, 0s);
    }
    /* 黄色ドット: 弾んで落ちる */
    .op--dot {
      transform-box: fill-box;
      transform-origin: center;
      animation: crane-dot 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
      animation-delay: var(--d, 0s);
    }
    /* 大円: 中心からスケールイン */
    .op--scale {
      transform-box: fill-box;
      transform-origin: center;
      animation: crane-circle 0.55s cubic-bezier(0.16, 1, 0.3, 1) both;
      animation-delay: var(--d, 0s);
    }
    #js-opening.is-zoom {
      animation: opening-bg-out 0.9s 0.15s ease-in forwards;
    }
    #js-opening.is-zoom .opening__logo-svg {
      animation: opening-zoom-out 0.9s cubic-bezier(0.4, 0, 1, 1) forwards;
    }
    @keyframes crane-drop {
      0%   { opacity: 0; transform: translateY(-52px); }
      75%  { transform: translateY(4px); }
      100% { opacity: 1; transform: translateY(0); }
    }
    @keyframes crane-dot {
      0%   { opacity: 0; transform: translateY(-44px) scale(0.3); }
      65%  { transform: translateY(4px) scale(1.2); }
      100% { opacity: 1; transform: translateY(0) scale(1); }
    }
    @keyframes crane-circle {
      0%   { opacity: 0; transform: scale(0.1); }
      70%  { transform: scale(1.06); }
      100% { opacity: 1; transform: scale(1); }
    }
    @keyframes opening-zoom-out {
      from { transform: scale(1);  opacity: 1; }
      to   { transform: scale(16); opacity: 0; }
    }
    @keyframes opening-bg-out {
      0%   { opacity: 1; }
      55%  { opacity: 1; }
      100% { opacity: 0; }
    }

/* ─── Variables (reference exact) ─── */
    :root {
      --color-base: #211C16;
      --color-bg: #FDFAF5;
      --color-bg-lower: #F0EAE0;
      --color-primary: #ffd981;
      --color-primary-light: #ffe8a3;
      --color-secondary: #EDE3D3;
      --color-gray: #7A6E62;
      --color-gray-20: rgba(33,28,22,.15);
      --color-gray-50: rgba(33,28,22,.45);
      --color-gray-light: #EDE8E2;
      --color-white-50: rgba(255,255,255,.5);
      --color-white-20: rgba(255,255,255,.2);
      --font-bold: 600;
      --font-regular: 400;
      --font-light: 300;
      --header-height-lg: 64px;
      --easeOutQuart: cubic-bezier(.165,.84,.44,1);
      --easeOutExpo: cubic-bezier(.19,1,.22,1);
    }

    /* ─── Reset ─── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    #drawer-placeholder, #header-placeholder { display: block; height: 0; overflow: hidden; }
    html { scroll-behavior: smooth; overflow-x: hidden; }
    body {
      font-family: "Lexend", "BIZ UDGothic", -apple-system, sans-serif;
      font-weight: var(--font-regular);
      color: var(--color-base);
      background: var(--color-bg);
      line-height: 1.7;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; vertical-align: bottom; }
    ul { list-style: none; }

    .visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

    /* ─── Container ─── */
    .container {
      position: relative;
      width: 100%;
      max-width: 1400px;
      margin-right: auto;
      margin-left: auto;
      padding-right: 40px;
      padding-left: 40px;
    }

    /* ─── Header ─── */
    .l-header {
      z-index: 100;
      position: fixed;
      top: 0;
      width: 100%;
      background: rgba(253, 250, 245, 0.88);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(33,28,22,.07);
      transition-duration: .8s;
      transition-property: transform;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-header__wrapper {
      display: flex;
      align-items: center;
      height: var(--header-height-lg);
      padding: 0 32px;
      transition-duration: .3s;
      transition-property: height;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-header__logo {
      z-index: 1;
      width: 100px;
      font-size: 1px;
      line-height: 1;
    }
    .l-header__logo img { width: 100%; }
    .l-header__gnav {
      z-index: 1;
      flex-grow: 1;
    }
    .l-header__gnav__ul {
      display: flex;
      justify-content: flex-end;
      gap: 30px;
    }
    .l-header__gnav__link {
      color: var(--color-gray);
      font-weight: var(--font-regular);
      font-size: 1rem;
      transition-duration: .4s;
      transition-property: color;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-header__gnav__link:hover { color: var(--color-base); }
    .l-header__contact {
      z-index: 1;
      margin-left: 30px;
    }
    .l-header__contact__link {
      padding: 12px 30px;
      border-radius: 100vh;
      background-color: var(--color-primary);
      color: var(--color-base);
      font-size: .9375rem;
      transition-duration: .4s;
      transition-property: background-color;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-header__contact__link:hover { background-color: var(--color-primary-light); }
    .l-header__hamburger { z-index: 1; margin-left: 20px; }
    .hamburger {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 43px;
      height: 43px;
      border-radius: 100%;
      background-color: var(--color-base);
      border: none;
      cursor: pointer;
      position: relative;
    }
    .hamburger__container {
      position: absolute;
      top: 50%;
      width: 13px;
      height: 9px;
      transform: translateY(-50%);
    }
    .hamburger__bar {
      position: absolute;
      left: 0;
      width: 100%;
      height: 1px;
      background: white;
    }
    .hamburger__bar:nth-child(1) { top: 0; }
    .hamburger__bar:nth-child(2) { top: 50%; }
    .hamburger__bar:nth-child(3) { top: 100%; }
    .hamburger:hover { opacity: .75; }
    .hamburger:active { transform: scale(.92); }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(1) { transform: translateY(4px) rotate(45deg); }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(2) { opacity: 0; }
    .hamburger[aria-expanded="true"] .hamburger__bar:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

    /* ─── Drawer ─── */
    .l-drawer {
      position: fixed;
      inset: 0;
      z-index: 200;
      visibility: hidden;
      pointer-events: none;
      overflow: hidden; /* オフキャンバスのパネル(translateX(100%))が横はみ出しを生むのを防ぐ */
    }
    .l-drawer.is-open {
      visibility: visible;
      pointer-events: auto;
    }
    .l-drawer__bg {
      position: absolute;
      inset: 0;
      background: rgba(38, 47, 62, 0.6);
      opacity: 0;
      transition: opacity .4s var(--easeOutQuart);
    }
    .l-drawer.is-open .l-drawer__bg {
      opacity: 1;
    }
    .l-drawer__panel {
      position: absolute;
      top: 0;
      right: 0;
      width: min(480px, 90vw);
      height: 100%;
      background: var(--color-base);
      color: var(--color-bg);
      display: flex;
      flex-direction: column;
      transform: translateX(100%);
      transition: transform .5s var(--easeOutQuart);
      overflow-y: auto;
    }
    .l-drawer.is-open .l-drawer__panel {
      transform: translateX(0);
    }
    .l-drawer__header {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      padding: 24px 32px;
      flex-shrink: 0;
    }
    .l-drawer__close {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 43px;
      height: 43px;
      border-radius: 100%;
      border: 1px solid rgba(255,255,255,.2);
      background: none;
      cursor: pointer;
      position: relative;
    }
    .l-drawer__close:hover { background: rgba(255,255,255,.08); }
    .l-drawer__close::before,
    .l-drawer__close::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 14px;
      height: 1px;
      background: white;
    }
    .l-drawer__close::before { transform: translate(-50%,-50%) rotate(45deg); }
    .l-drawer__close::after  { transform: translate(-50%,-50%) rotate(-45deg); }
    .l-drawer__nav {
      padding: 20px 40px 40px;
      flex: 1;
    }
    .l-drawer__nav__ul {
      display: flex;
      flex-direction: column;
    }
    .l-drawer__nav__link {
      display: block;
      padding: 22px 0;
      border-bottom: 1px solid rgba(255,255,255,.08);
      color: var(--color-bg);
      transition: color .3s;
    }
    .l-drawer__nav__link:hover { color: var(--color-primary); }
    .l-drawer__nav__str-en {
      display: block;
      font-size: 1.75rem;
      font-weight: var(--font-light);
      line-height: 1;
      letter-spacing: -.01em;
    }
    .l-drawer__nav__str-ja {
      display: block;
      font-size: .75rem;
      color: rgba(255,255,255,.4);
      margin-top: 6px;
      letter-spacing: .06em;
    }
    .l-drawer__footer {
      padding: 32px 40px;
      border-top: 1px solid rgba(255,255,255,.08);
      flex-shrink: 0;
    }
    .l-drawer__contact-btn {
      display: block;
      width: 100%;
      padding: 16px;
      border-radius: 100vh;
      background: var(--color-primary);
      color: var(--color-base);
      text-align: center;
      font-size: .9375rem;
      font-weight: 500;
      transition: background .3s;
    }
    .l-drawer__contact-btn:hover { background: var(--color-primary-light); }

    /* ─── Hero ─── */
    .top-hero {
      position: relative;
      height: 100svh;
      overflow: hidden;
      background-color: var(--color-bg);
    }
    .top-hero__img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center;
      display: block;
    }

    /* ─── Page-hero decorations (dark bg, no animation) ── */
    .page-hero {
      position: relative;
      overflow: hidden;
    }
    .page-hero__deco {
      position: absolute; inset: 0;
      pointer-events: none; overflow: hidden;
    }
    .page-hero__deco__circle {
      position: absolute; border-radius: 50%;
      background: rgba(255,232,163,.1);
    }
    .page-hero__deco__circle-outline {
      position: absolute; border-radius: 50%;
      border: 1.5px solid rgba(255,232,163,.28);
      background: transparent;
    }
    .page-hero__deco__dots {
      position: absolute;
      background-image: radial-gradient(circle, rgba(255,255,255,.22) 1.5px, transparent 1.5px);
      background-size: 16px 16px;
    }
    .page-hero__deco__accent {
      position: absolute; border-radius: 50%;
      background: var(--color-primary);
    }
    .page-hero__deco__circle.ph-c1   { width:42vw; height:42vw; right:-7%; bottom:-55%; }
    .page-hero__deco__circle.ph-c2   { width:18vw; height:18vw; left:52%; top:-50%; opacity:.55; }
    .page-hero__deco__circle-outline.ph-co1 { width:30vw; height:30vw; left:-5%; top:-25%; }
    .page-hero__deco__dots.ph-d1     { width:160px; height:128px; right:5%; top:22%; }
    .page-hero__deco__dots.ph-d2     { width:120px; height:80px; left:3%; bottom:10%; }
    .page-hero__deco__accent.ph-a1   { width:9px; height:9px; right:15%; top:42%; }
    .page-hero__deco__accent.ph-a2   { width:6px; height:6px; left:38%; bottom:22%; opacity:.6; }

    /* ─── Section decorations (light bg, ::before/::after) ── */
    .top-about { position: relative; }
    .top-about::before {
      content: ''; position: absolute; pointer-events: none;
      width: 30vw; height: 30vw; border-radius: 50%;
      background: rgba(255,232,163,.5);
      right: -6%; top: -6%;
    }
    .top-about::after {
      content: ''; position: absolute; pointer-events: none;
      width: 20vw; height: 20vw; border-radius: 50%;
      border: 1.5px solid rgba(255,232,163,.85); background: transparent;
      left: -3%; bottom: 8%;
    }
    .top-service::after {
      content: ''; position: absolute; pointer-events: none;
      width: 26vw; height: 26vw; border-radius: 50%;
      background: rgba(255,232,163,.5);
      left: -6%; top: 8%;
    }
    .top-cases { position: relative; overflow: hidden; }
    .top-cases::before {
      content: ''; position: absolute; pointer-events: none;
      width: 28vw; height: 28vw; border-radius: 50%;
      background: rgba(255,232,163,.45);
      right: -5%; top: 10%;
    }
    .top-cases::after {
      content: ''; position: absolute; pointer-events: none;
      width: 20vw; height: 20vw; border-radius: 50%;
      border: 1.5px solid rgba(255,232,163,.85); background: transparent;
      left: -2%; top: 5%;
    }
    .top-news { position: relative; overflow: hidden; }
    .top-news::before {
      content: ''; position: absolute; pointer-events: none;
      width: 22vw; height: 22vw; border-radius: 50%;
      background: rgba(255,232,163,.5);
      left: -4%; top: 15%;
    }
    /* l-aside__contact: dark bg, same as page-hero */
    .l-aside__contact::before {
      content: ''; position: absolute; pointer-events: none;
      width: 36vw; height: 36vw; border-radius: 50%;
      background: rgba(255,232,163,.09);
      left: -8%; bottom: -30%;
    }
    .l-aside__contact::after {
      content: ''; position: absolute; pointer-events: none;
      width: 20vw; height: 20vw; border-radius: 50%;
      border: 1.5px solid rgba(255,232,163,.22); background: transparent;
      right: 2%; top: -15%;
    }
    /* 装飾の円は最背面、コンテンツを前面に（文字の視認性確保） */
    .top-about::before, .top-about::after,
    .top-service::before, .top-service::after,
    .top-cases::before, .top-cases::after,
    .top-news::before, .top-news::after,
    .l-aside__contact::before, .l-aside__contact::after { z-index: 0; }
    .top-about > .container,
    .top-service > .container,
    .top-cases > .container,
    .top-news > .container,
    .l-aside__contact__l,
    .l-aside__contact__r { position: relative; z-index: 1; }

    /* ─── c-title__primary (reference exact) ─── */
    .c-title__primary {
      display: flex;
      flex-direction: column;
      gap: 15px;
      line-height: 1;
    }
    .c-title__primary .\:ja {
      color: var(--color-gray);
      font-size: .875rem;
      letter-spacing: .075rem;
    }
    .c-title__primary .\:en {
      color: var(--color-base);
      font-weight: var(--font-regular);
      font-size: 3.375rem;
      line-height: 1;
    }

    /* ─── c-title__secondary ─── */
    .c-title__secondary {
      font-size: 2rem;
      letter-spacing: .1rem;
      line-height: 1.4;
    }

    /* ─── :body-base ─── */
    .\:body-base {
      font-size: 1rem;
      line-height: 2;
      color: var(--color-base);
    }

    /* ─── c-button__arrow ─── */
    .c-button__wrap { display: flex; }
    .c-button__wrap.\:flex-end { justify-content: flex-end; }
    .c-button__arrow {
      display: inline-flex;
      align-items: center;
      gap: 16px;
      font-size: 1rem;
      color: var(--color-base);
      transition-duration: .4s;
      transition-property: gap;
      transition-timing-function: var(--easeOutQuart);
    }
    .c-button__arrow:hover { gap: 24px; }
    .c-button__arrow__icon {
      display: block;
      width: 40px;
      height: 40px;
      border-radius: 100%;
      border: 1px solid var(--color-gray-20);
      position: relative;
      flex-shrink: 0;
      transition-duration: .4s;
      transition-property: background, border-color;
      transition-timing-function: var(--easeOutQuart);
    }
    .c-button__arrow__icon::after {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%) rotate(45deg);
      width: 8px;
      height: 8px;
      border-top: 1px solid var(--color-base);
      border-right: 1px solid var(--color-base);
    }
    .c-button__arrow:hover .c-button__arrow__icon {
      background: var(--color-base);
      border-color: var(--color-base);
    }
    .c-button__arrow:hover .c-button__arrow__icon::after {
      border-color: white;
    }
    .c-button__arrow.\:bg-white {
      color: var(--color-bg);
    }
    .c-button__arrow.\:bg-white .c-button__arrow__icon {
      border-color: rgba(255,255,255,.3);
    }
    .c-button__arrow.\:bg-white .c-button__arrow__icon::after {
      border-color: white;
    }
    .c-button__arrow.\:bg-white:hover .c-button__arrow__icon {
      background: white;
    }
    .c-button__arrow.\:bg-white:hover .c-button__arrow__icon::after {
      border-color: var(--color-base);
    }

    /* ─── About ─── */
    .top-about {
      padding-top: clamp(2.5rem, 6vw, 6.25rem);
      padding-bottom: 250px;
      overflow: hidden;
    }
    .top-about__grid {
      display: grid;
      grid-template-rows: 100%;
      grid-template-columns: repeat(2, 50%);
    }
    .top-about__heading {
      grid-area: 1 / 1 / 2 / 2;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding-right: 32px;
    }
    .top-about__heading__title {
      padding-top: 40px;
    }
    .top-about__heading__img {
      width: 80%;
      overflow: hidden;
      border-radius: 8px;
      margin-top: 40px;
    }
    .top-about__heading__img img { width: 100%; aspect-ratio: 3/4; object-fit: cover; }
    .top-about__content {
      grid-area: 1 / 2 / 2 / 3;
      padding-left: 60px;
    }
    /* 右本文の先頭を左タイトルの上端に揃える（左右のズレ補正）。右カラムの構成差でページ別に調整 */
    .top-about .top-about__content { padding-top: 84px; }   /* TOP: 想い(h3リード) */
    .page-body .top-about__content { padding-top: 40px; }   /* About下層: 会社概要(dl) */
    .top-about__content__body {
      font-size: 1rem;
      line-height: 2.1;
      color: var(--color-base);
    }
    .top-about__content__img {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 80px;
    }
    .top-about__content__img figure {
      overflow: hidden;
      border-radius: 8px;
    }
    .top-about__content__img figure img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
    }
    .top-about__content__img .\:left { }
    .top-about__content__img .\:right { margin-top: -40px; }

    /* ─── About visual placeholder ─── */
    .about-img-placeholder {
      width: 100%;
      border-radius: 8px;
      overflow: hidden;
      background: var(--color-bg-lower);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-gray);
      font-size: .75rem;
      letter-spacing: .1em;
    }
    .about-img-placeholder--tall { aspect-ratio: 3/4; }
    .about-img-placeholder--wide { aspect-ratio: 4/3; }

    /* ─── Company info (About us) ─── */
    .company-info {
      width: 100%;
    }
    .company-info__row {
      display: grid;
      grid-template-columns: 200px 1fr;
      gap: 24px;
      padding: 20px 0;
      border-bottom: 1px solid var(--color-gray-20);
    }
    .company-info__row:first-child {
      border-top: 1px solid var(--color-gray-20);
    }
    .company-info__label {
      font-size: .875rem;
      font-weight: 700;
      line-height: 1.6;
      color: var(--color-gray);
      letter-spacing: .04em;
    }
    .company-info__data {
      font-size: 1rem;
      line-height: 1.8;
      color: var(--color-base);
    }

    /* ─── Service ─── */
    .top-service {
      position: relative;
      padding-top: 150px;
      overflow: hidden;
    }
    .top-service__grid {
      display: grid;
      grid-template-rows: repeat(3, auto);
      grid-template-columns: 41.66% 49.98%;
      justify-content: space-between;
    }
    .top-service__heading { grid-area: 1 / 1 / 2 / 2; }
    .top-service__body {
      font-size: 1rem;
      line-height: 2;
      color: var(--color-base);
    }
    .top-service__main {
      grid-area: 1 / 2 / 2 / 3;
      padding-left: 35px;
    }
    .top-service__main__img {
      overflow: hidden;
      border-radius: 10px;
    }
    .top-service__main__img img {
      width: 100%;
      aspect-ratio: 4/3;
      object-fit: cover;
      background: var(--color-bg-lower);
    }
    /* marquee loop */
    .top-service__loop {
      margin-top: 30px;
      overflow: hidden;
      padding: 10px 0;
    }
    .top-service__loop__track {
      display: flex;
      gap: 50px;
      animation: marquee 18s linear infinite;
      width: max-content;
    }
    .top-service__loop__str {
      display: flex;
      gap: 50px;
      white-space: nowrap;
      font-size: 1.25rem;
      font-weight: var(--font-light);
      color: var(--color-gray);
      letter-spacing: .1em;
      flex-shrink: 0;
    }
    .top-service__loop__str span {
      display: inline-flex;
      align-items: center;
      gap: 16px;
    }
    .top-service__loop__str span::after {
      content: '×';
      color: var(--color-primary);
    }
    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    /* service lead headline */
    .top-service__lead {
      font-size: 1.5rem;
      line-height: 1.5;
      letter-spacing: .05em;
      color: var(--color-base);
    }
    /* 01/02/03 points */
    .top-service__points {
      grid-area: 2 / 1 / 3 / 3;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 80px;
    }
    .top-service__points__item {
      padding: 36px 32px;
      border: 1px solid var(--color-gray-20);
      border-radius: 10px;
      background: var(--color-bg);
      transition-duration: .4s;
      transition-property: background, border-color;
      transition-timing-function: var(--easeOutQuart);
    }
    .top-service__points__item:hover {
      background: var(--color-bg-lower);
      border-color: var(--color-secondary);
    }
    .top-service__points__num {
      display: block;
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.5rem;
      line-height: 1;
      color: var(--color-primary);
      margin-bottom: 20px;
    }
    .top-service__points__tit {
      font-size: 1.125rem;
      font-weight: 700;
      line-height: 1.5;
      color: var(--color-base);
      margin-bottom: 16px;
    }
    .top-service__points__desc {
      font-size: .9375rem;
      line-height: 1.9;
      color: var(--color-gray);
    }
    /* business divisions */
    .top-service__biz {
      grid-area: 3 / 1 / 4 / 3;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 40px;
      margin-top: 80px;
    }
    .top-service__biz__item {
      padding: 44px 40px;
      border-radius: 10px;
      background: var(--color-bg-lower);
    }
    .top-service__biz__tit {
      font-size: 1.375rem;
      font-weight: 700;
      line-height: 1.5;
      color: var(--color-base);
      margin-bottom: 24px;
    }
    .top-service__biz__no {
      color: var(--color-primary);
      margin-right: 6px;
    }
    .top-service__biz__catch {
      font-size: 1.125rem;
      font-weight: 700;
      line-height: 1.6;
      color: var(--color-base);
    }
    /* compact variant (TOP) — title-only cards linking to subpage */
    .top-service__biz--compact .top-service__biz__item {
      padding: 0;
      background: transparent;
    }
    .top-service__biz--compact .top-service__biz__link {
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 40px;
      border: 1px solid var(--color-gray-20);
      border-radius: 10px;
      background: var(--color-bg-lower);
      transition-duration: .4s;
      transition-property: background, border-color, transform;
      transition-timing-function: var(--easeOutQuart);
    }
    .top-service__biz--compact .top-service__biz__link:hover {
      border-color: var(--color-primary);
      transform: translateY(-4px);
    }
    .top-service__biz--compact .top-service__biz__no {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.25rem;
      line-height: 1;
      margin: 0 0 16px;
    }
    .top-service__biz--compact .top-service__biz__tit {
      font-size: 1.25rem;
      margin-bottom: 0;
    }
    .top-service__biz--compact .top-service__biz__more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 28px;
      font-size: .875rem;
      letter-spacing: .04em;
      color: var(--color-gray);
    }
    .top-service__biz--compact .top-service__biz__more::after {
      content: '';
      width: 16px;
      height: 1px;
      background: currentColor;
      transition: width .4s var(--easeOutQuart);
    }
    .top-service__biz--compact .top-service__biz__link:hover .top-service__biz__more {
      color: var(--color-base);
    }
    .top-service__biz--compact .top-service__biz__link:hover .top-service__biz__more::after {
      width: 28px;
    }

    /* ─── Cases ─── */
    .top-cases { padding-top: 180px; }
    .top-cases__grid {
      display: flex;
      position: relative;
      gap: 25px;
    }
    .top-cases__heading {
      position: relative;
      flex: 0 0 24.99%;
    }
    .top-cases__heading__inner {
      position: sticky;
      top: 120px;
    }
    .top-cases__articles {
      display: flex;
      flex-grow: 1;
      flex-direction: column;
      gap: 80px;
    }
    .c-card__cases {
      display: flex;
      justify-content: space-between;
      gap: 40px;
    }
    .c-card__cases__l { flex: 0 0 calc(50% - 20px); }
    .c-card__cases__r {
      position: relative;
      flex-grow: 1;
      padding-bottom: 50px;
    }
    .c-card__cases__image {
      display: block;
      position: relative;
      padding-top: 65%;
      overflow: hidden;
      border-radius: 8px;
    }
    .c-card__cases__image img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      background: var(--color-bg-lower);
      transition-duration: .8s;
      transition-property: transform;
      transition-timing-function: var(--easeOutExpo);
    }
    .c-card__cases__image:hover img { transform: scale(1.04); }
    .c-card__cases__image-placeholder {
      position: absolute;
      inset: 0;
      background: var(--color-bg-lower);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .75rem;
      color: var(--color-gray);
      letter-spacing: .1em;
    }
    .c-card__cases__num {
      position: relative;
      top: 5px;
      height: 30px;
      margin-bottom: 30px;
    }
    .c-card__cases__num::before {
      position: absolute;
      top: -10px;
      left: 0;
      content: "Cases";
      color: var(--color-gray);
      font-size: .8125rem;
    }
    .c-card__cases__num .\:line {
      position: absolute;
      top: 0;
      left: 15%;
      width: 75%;
      height: 1px;
      background-color: var(--color-secondary);
    }
    .c-card__cases__heading {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .c-card__cases__company {
      color: var(--color-gray);
      font-size: .875rem;
    }
    .c-badge__default {
      display: inline-block;
      padding: 3px 12px;
      border: 1px solid var(--color-secondary);
      border-radius: 100vh;
      color: var(--color-gray);
      font-size: .75rem;
      transition-duration: .2s;
      transition-property: color, background;
      transition-timing-function: var(--easeOutExpo);
    }
    .c-badge__default:hover { background-color: var(--color-secondary); }
    .c-card__cases__title {
      font-size: 1.25rem;
      font-weight: var(--font-regular);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .c-card__cases__title a { color: var(--color-base); }
    .c-card__cases__button { margin-top: 24px; }
    .c-button__default {
      padding: 8px 20px;
      border: 1px solid var(--color-gray);
      border-radius: 100vh;
      color: var(--color-gray);
      font-size: .8125rem;
      display: inline-block;
      transition-duration: .4s;
      transition-property: background, color;
      transition-timing-function: var(--easeOutQuart);
    }
    .c-button__default:hover { background-color: var(--color-gray); color: var(--color-bg); }

    /* ─── News ─── */
    /* ─── Recruit ─── */
    .top-recruit {
      position: relative;
      padding-top: 180px;
      overflow: hidden;
    }
    .top-recruit__head {
      max-width: 640px;
    }
    .top-recruit__lead {
      font-size: 1rem;
      line-height: 2;
      color: var(--color-base);
    }
    .top-recruit__list {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 60px;
    }
    .top-recruit__link {
      display: flex;
      flex-direction: column;
      height: 100%;
      padding: 32px 28px;
      border: 1px solid var(--color-gray-20);
      border-radius: 10px;
      background: var(--color-bg);
      transition-duration: .4s;
      transition-property: background, border-color, transform;
      transition-timing-function: var(--easeOutQuart);
    }
    .top-recruit__link:hover {
      border-color: var(--color-primary);
      transform: translateY(-4px);
    }
    .top-recruit__type {
      display: inline-block;
      align-self: flex-start;
      padding: 4px 12px;
      border-radius: 100vh;
      background: var(--color-bg-lower);
      font-size: .75rem;
      letter-spacing: .04em;
      color: var(--color-gray);
      margin-bottom: 24px;
    }
    .top-recruit__job {
      font-size: 1.25rem;
      font-weight: 700;
      line-height: 1.45;
      color: var(--color-base);
    }
    .top-recruit__job-en {
      display: block;
      margin-top: 6px;
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.125rem;
      font-style: italic;
      color: var(--color-primary);
    }
    .top-recruit__more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: auto;
      padding-top: 28px;
      font-size: .8125rem;
      letter-spacing: .04em;
      color: var(--color-gray);
    }
    .top-recruit__more::after {
      content: '';
      width: 16px;
      height: 1px;
      background: currentColor;
      transition: width .4s var(--easeOutQuart);
    }
    .top-recruit__link:hover .top-recruit__more { color: var(--color-base); }
    .top-recruit__link:hover .top-recruit__more::after { width: 28px; }

    .top-news {
      padding-top: 150px;
      padding-bottom: 50px;
    }
    .top-news__grid {
      display: grid;
      grid-template-rows: 140px calc(100% - 140px);
      grid-template-columns: 33.32% 66.68%;
    }
    .top-news__heading { grid-area: 1 / 1 / 2 / 2; }
    .top-news .c-news__wrap { grid-area: 1 / 2 / 3 / 3; }
    .top-news .c-button__wrap { grid-area: 2 / 1 / 3 / 2; align-items: flex-end; }
    .c-news-list {
      position: relative;
      padding: 30px 0;
      border-top: 1px solid var(--color-secondary);
      cursor: default;
    }
    .c-news-list:last-child { border-bottom: 1px solid var(--color-secondary); }
    .c-news-list::before {
      z-index: -1;
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      transform: scaleY(0);
      transform-origin: top center;
      background-color: var(--color-bg-lower);
      content: "";
      transition-duration: .5s;
      transition-property: transform;
      transition-timing-function: cubic-bezier(.19,1,.22,1);
    }
    .c-news-list:hover::before {
      transform: scaleY(1);
      transform-origin: bottom center;
    }
    .c-news-list__heading {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 10px;
    }
    .c-news-list__time {
      color: var(--color-gray);
      font-size: .9375rem;
      font-weight: var(--font-light);
    }
    .c-news-list__title { font-size: 1rem; }
    .c-news-list__title__link { color: var(--color-base); }

    /* ─── Contact Aside ─── */
    .l-aside__contact {
      display: flex;
      position: relative;
      padding: 100px 30px 30px;
      gap: 20px;
      background-color: var(--color-base);
    }
    .l-aside__contact__l {
      position: relative;
      flex: 0 0 34%;
      overflow: hidden;
      border-radius: 20px;
      background: linear-gradient(135deg, #181310 0%, #2A2218 100%);
      min-height: 500px;
    }
    .l-aside__contact__img-wrap {
      position: absolute;
      inset: 0;
    }
    .l-aside__contact__img-placeholder {
      width: 100%; height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .875rem;
      letter-spacing: .1em;
      color: rgba(255,255,255,.25);
      background: linear-gradient(135deg, rgba(255,255,255,.04) 0%, transparent 100%);
      border: 1px dashed rgba(255,255,255,.12);
      border-radius: 20px;
    }
    .l-aside__contact__r {
      flex-grow: 1;
      padding: 40px 60px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      position: relative;
    }
    .l-aside__contact__r .inner-line {
      position: absolute;
      inset: 0;
      border-radius: 20px;
      background: rgba(255,255,255,.02);
    }
    .l-aside__contact__heading { margin-bottom: 50px; }
    .l-aside__contact__heading .c-title__primary .\:ja { color: rgba(255,255,255,.5); }
    .l-aside__contact__heading .c-title__primary .\:en { color: var(--color-bg); }
    .l-aside__contact__body {
      font-size: 1rem;
      line-height: 2;
      color: rgba(255,255,255,.65);
    }

    /* ─── Footer ─── */
    .l-footer {
      background-color: #FFD980;
      color: var(--color-base);
    }
    .l-footer__content {
      display: flex;
      flex-direction: column;
    }
    .l-footer__top { padding: 36px 0 24px; }
    .l-footer__nav__wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .l-footer__nav__ul {
      display: flex;
      flex-direction: column;
    }
    .l-footer__nav__link {
      display: inline-block;
      padding: 7px 20px;
      border: 1px solid var(--color-base);
      border-radius: 100vh;
      color: var(--color-base);
      font-weight: var(--font-regular);
      font-size: .875rem;
      transition-duration: .3s;
      transition-property: background-color, color;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-footer__nav__link:hover {
      background-color: var(--color-base);
      color: var(--color-bg);
    }
    .l-footer__details {
      margin-top: 24px;
    }
    .l-footer__title {
      font-weight: var(--font-regular);
      font-size: .9375rem;
    }
    .l-footer__address {
      margin-top: 8px;
      font-size: .8125rem;
      line-height: 1.8;
      opacity: .5;
      font-style: normal;
    }
    .l-footer__social { margin-top: 16px; }
    .l-footer__social__ul { display: flex; gap: 10px; }
    .l-footer__social__link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 34px;
      height: 34px;
      border: 1px solid rgba(33,28,22,.2);
      border-radius: 100%;
      color: var(--color-base);
      font-size: .75rem;
      transition-duration: .3s;
      transition-property: background;
      transition-timing-function: var(--easeOutQuart);
    }
    .l-footer__social__link:hover { background-color: rgba(33,28,22,.1); }
    .l-footer__btm {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      border-top: 1px solid rgba(33,28,22,.15);
    }
    .l-footer__copy {
      font-size: .75rem;
      color: rgba(33,28,22,.5);
    }
    .l-footer__btm__r img { height: 22px; }

    /* ─── Spacing utilities (from reference) ─── */
    .mt-20 { margin-top: 20px; }
    .mt-30 { margin-top: 30px; }
    .mt-40 { margin-top: 40px; }
    .mt-50 { margin-top: 50px; }
    .lg\:mt-40 { margin-top: 40px; }
    .lg\:mt-50 { margin-top: 50px; }
    .lg\:mb-40 { margin-bottom: 40px; }
    .lg\:mb-50 { margin-bottom: 50px; }
    .mb-30 { margin-bottom: 30px; }
    .mb-40 { margin-bottom: 40px; }