@charset "UTF-8";

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Momo+Trust+Display:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

/* ============================================
   INTERCONTECH - Full Width Dynamic Layout
   Inspired by asymmetric.com
   ============================================ */

/* CSS Variables */
:root {
  /* Colors */
  --color-primary: #1A1A1A;
  --color-white: #FFFFFF;
  --color-bg-light: #F7F8F9;
  --color-bg-dark: #0A0A0A;
  --color-black: #000000;
  --color-text: #1A1A1A;
  --color-text-light: #555555;
  --color-text-muted: #888888;
  --color-border: #E0E0E0;

  /* Typography - asymmetric.com inspired */
  --font-ja: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "Noto Sans JP", "ヒラギノ角ゴ ProN W6", sans-serif;
  --font-ja-formal: "Noto Serif JP", "游明朝", "Yu Mincho", "ヒラギノ明朝 ProN", serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-en-heading: "Momo Trust Display", "Inter", sans-serif;

  /* Spacing */
  --section-padding: 160px;
  --content-padding: 80px;

  /* Header */
  --header-height: 80px;
}

/* ============================================
   Loading Screen
   ============================================ */

.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loading__poster {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease;
}

.loading__poster.is-hidden {
  opacity: 0;
}

.loading__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.loading__video.is-visible {
  opacity: 1;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", var(--font-ja);
  color: var(--color-text);
  line-height: 1.8;
  background: var(--color-white);
  font-size: 1rem;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

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

ul, ol {
  list-style: none;
}

/* ============================================
   Header - Full Width
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: transform 0.4s ease, box-shadow 0.3s ease;
}

.header--scrolled {
  box-shadow: 0 1px 0 var(--color-border);
}

/* ヘッダーは常駐表示のためhiddenは使用しない */
/*
.header--hidden {
  transform: translateY(-100%);
}
*/

.header__inner {
  height: 100%;
  padding: 0 0 0 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 26px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-left: auto;
  margin-right: 48px;
}

.header__nav-item {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text);
  position: relative;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.header__nav-item:hover {
  opacity: 0.6;
}

/* CONTACT Button - Black Background */
.header__contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 48px;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-white);
  background: var(--color-black);
  transition: opacity 0.3s ease;
}

.header__contact:hover {
  opacity: 0.8;
}

/* ドロップダウン親要素はホバー時も薄くしない */
.header__nav-item--dropdown:hover {
  opacity: 1;
}

/* Dropdown */
.header__nav-item--dropdown {
  display: flex;
  align-items: center;
  gap: 6px;
}

.header__nav-item--dropdown .icon-arrow {
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
}

.header__dropdown {
  position: absolute;
  top: calc(100% + 20px);
  left: -24px;
  background: var(--color-white);
  min-width: 200px;
  padding: 20px 0;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.header__nav-item--dropdown:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-item {
  display: block;
  padding: 10px 28px;
  font-family: var(--font-ja);
  font-size: 13px;
  transition: background 0.2s ease;
}

.header__dropdown-item:hover {
  background: var(--color-bg-light);
}

/* SP Menu Button */
.header__menu-btn {
  display: none;
}

/* ============================================
   Hero Section - Full Screen Dynamic
   ============================================ */

.hero {
  height: 100vh;
  min-height: 800px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.hero__slide.is-active {
  opacity: 1;
}

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

.hero__bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: left;
  color: var(--color-white);
  padding: 0 60px;
  max-width: 100%;
  width: 100%;
}

.hero__logo {
  margin-bottom: 60px;
}

.hero__logo img {
  height: 120px;
  width: auto;
}

/* Hero Logo - Text Version */
.hero__logo--text {
  text-align: center;
}

.hero__logo-en {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: clamp(60px, 10vw, 140px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: 24px;
  text-shadow:
    0 4px 30px rgba(0, 0, 0, 0.5),
    0 8px 60px rgba(0, 0, 0, 0.3),
    0 12px 80px rgba(0, 0, 0, 0.2);
  text-transform: uppercase;
}

.hero__logo-inter {
  margin-right: 0.08em;
}

.hero__logo-contech {
  /* normal spacing */
}

.hero__logo-cursor {
  animation: cursor-blink 1s ease-in-out infinite;
  font-weight: 400;
}

@keyframes cursor-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero__logo-ja {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: clamp(18px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--color-white);
  text-shadow:
    0 2px 20px rgba(0, 0, 0, 0.5),
    0 4px 40px rgba(0, 0, 0, 0.3);
}

.hero__title {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.hero__title-en {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 36px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.08em;
  color: var(--color-white);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero__scroll {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.hero__scroll-text {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30px;
  background: var(--color-white);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

/* ============================================
   Split Section - Full Width 50/50
   ============================================ */

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.split-section__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px var(--content-padding);
  background: var(--color-white);
}

.split-section__image {
  position: relative;
  overflow: hidden;
}

.split-section__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.split-section:hover .split-section__image img {
  transform: scale(1.03);
}

/* Section Labels - Large Dynamic Style with Typing Effect */
.section-label {
  font-family: var(--font-en-heading);
  font-size: 80px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 32px;
  display: inline-block;
  line-height: 1.2;
  opacity: 0.9;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--color-primary);
  animation: typing-cursor 0.8s ease-in-out infinite;
}

.section-label.typing-done {
  border-right-color: transparent;
  animation: none;
}

@keyframes typing-cursor {
  0%, 100% { border-right-color: var(--color-primary); }
  50% { border-right-color: transparent; }
}

/* Typography */
.heading-xl {
  font-family: var(--font-ja);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.text-body {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 17px;
  font-weight: 400;
  line-height: 2.0;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}

/* ============================================
   Service Section - Full Width Grid
   ============================================ */

.service-section {
  background: var(--color-bg-light);
  padding: var(--section-padding) 0;
}

.service-header {
  text-align: center;
  margin-bottom: 80px;
  padding: 0 var(--content-padding);
}

.service-header__label {
  font-family: var(--font-en-heading);
  font-size: 100px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 24px;
  display: inline-block;
  line-height: 1.2;
  opacity: 0.9;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--color-primary);
  animation: typing-cursor 0.8s ease-in-out infinite;
}

.service-header__label.typing-done {
  border-right-color: transparent;
  animation: none;
}

.service-header__title {
  font-family: var(--font-ja);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.service-header__subtitle {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: var(--color-text-light);
}

/* Service Grid */
.service-grid {
  display: grid;
  gap: 24px;
  padding: 0 var(--content-padding);
}

.service-grid--3col {
  grid-template-columns: repeat(3, 1fr);
}

.service-grid--2col {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 24px auto 0;
}

.service-card {
  background: var(--color-white);
  overflow: hidden;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.service-card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.service-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-card__image img {
  transform: scale(1.08);
}

.service-card__content {
  padding: 28px;
}

.service-card__number {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.service-card__title {
  font-family: var(--font-ja);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.service-card__text {
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-text-light);
  line-height: 1.9;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.service-card__link {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.service-card__link::after {
  content: "→";
  transition: transform 0.3s ease;
}

.service-card:hover .service-card__link::after {
  transform: translateX(4px);
}

/* ============================================
   News Section
   ============================================ */

.news-section {
  padding: var(--section-padding) var(--content-padding);
  background: var(--color-white);
}

.news-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 48px;
}

.news-header__left {
  display: flex;
  align-items: baseline;
  gap: 24px;
}

.news-header__label {
  font-family: var(--font-en-heading);
  font-size: 80px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  display: inline-block;
  line-height: 1.2;
  opacity: 0.9;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--color-primary);
  animation: typing-cursor 0.8s ease-in-out infinite;
}

.news-header__label.typing-done {
  border-right-color: transparent;
  animation: none;
}

.news-header__title {
  font-family: var(--font-ja);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.news-list {
  border-top: 1px solid var(--color-border);
}

.news-item {
  display: grid;
  grid-template-columns: 120px 100px 1fr auto;
  gap: 32px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  transition: opacity 0.3s ease;
}

.news-item:hover {
  opacity: 0.7;
}

.news-item__date {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.news-item__category {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-white);
  background: var(--color-text);
  padding: 5px 14px;
  text-align: center;
}

.news-item__title {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.news-item__arrow {
  font-size: 16px;
  color: var(--color-text-muted);
}

/* ============================================
   Recruit Section - Full Visual
   ============================================ */

.recruit-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.recruit-section__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.recruit-section__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recruit-section__bg::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
}

.recruit-section__content {
  padding: 0 var(--content-padding);
  color: var(--color-white);
  max-width: 800px;
}

.recruit-section__label {
  font-family: var(--font-en-heading);
  font-size: 100px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  display: inline-block;
  line-height: 1.2;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid rgba(255, 255, 255, 0.9);
  animation: typing-cursor-white 0.8s ease-in-out infinite;
}

.recruit-section__label.typing-done {
  border-right-color: transparent;
  animation: none;
}

@keyframes typing-cursor-white {
  0%, 100% { border-right-color: rgba(255, 255, 255, 0.9); }
  50% { border-right-color: transparent; }
}

.recruit-section__title {
  font-family: var(--font-ja);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.recruit-section__text {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  margin-bottom: 40px;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
  background: var(--color-bg-dark);
  padding: 120px var(--content-padding);
  color: var(--color-white);
}

.contact-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-section__label {
  font-family: var(--font-en-heading);
  font-size: 80px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  display: inline-block;
  line-height: 1.2;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid rgba(255, 255, 255, 0.9);
  animation: typing-cursor-white 0.8s ease-in-out infinite;
}

.contact-section__label.typing-done {
  border-right-color: transparent;
  animation: none;
}

.contact-section__title {
  font-family: var(--font-ja);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.contact-section__desc {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
}

.contact-section__cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-box {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px 32px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s ease;
}

.contact-box:hover {
  background: rgba(255, 255, 255, 0.08);
}

.contact-box__label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}

.contact-box__value {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-box__note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

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

.footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 80px var(--content-padding) 48px;
}

.footer__top {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer__logo img {
  height: 24px;
  filter: brightness(0) invert(1);
}

.footer__tagline {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: rgba(255, 255, 255, 0.4);
  line-height: 2;
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.footer__nav-title {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.9);
}

.footer__nav-item {
  display: block;
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.footer__nav-item:hover {
  color: var(--color-white);
}

.footer__contact-num {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.footer__contact-time {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer__bottom {
  padding-top: 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer__address {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

.footer__copyright {
  font-family: var(--font-en);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Footer - Simple Design
   ============================================ */

.footer--simple {
  width: 100%;
  padding: 16px 0;
  background: #1a1a1a;
}

.footer--simple .footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer--simple .footer__privacy {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 12px;
  color: #fff;
  text-decoration: none;
  transition: opacity 0.3s ease;
  order: 2;
}

.footer--simple .footer__privacy:hover {
  opacity: 0.7;
}

.footer--simple .footer__copyright {
  font-family: var(--font-en);
  font-size: 11px;
  color: #999;
  order: 1;
}

@media (max-width: 768px) {
  .footer--simple {
    padding: 16px 0;
  }

  .footer--simple .footer__inner {
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 0 20px;
  }

  .footer--simple .footer__privacy {
    font-size: 11px;
    order: 1;
  }

  .footer--simple .footer__copyright {
    font-size: 10px;
    order: 2;
  }
}

/* ============================================
   Footer - Original Site Design (Legacy)
   ============================================ */

.footer--original {
  width: 100%;
  padding: 60px 0;
  background: url('../../assets/images/footer_bg.jpg') no-repeat center;
  background-size: cover;
  background-color: #1a1a1a;
}

.footer--original .footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer--original .footer__upper {
  margin-bottom: 40px;
}

.footer--original .footer__logo-area {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer--original .footer__logo-main {
  font-family: "Noto Sans JP", var(--font-ja);
  font-size: 72px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  line-height: 1;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.footer--original .footer__logo-cursor {
  animation: cursor-blink 1s ease-in-out infinite;
  font-weight: 400;
}

.footer--original .footer__logo-sub {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #fff;
  line-height: 1;
}

.footer--original .footer__lower {
  margin-bottom: 40px;
}

.footer--original .footer__sitemap {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  list-style: none;
  padding: 0;
}

.footer--original .footer__sitemap-col {
  border-top: 2px solid #fff;
  padding-top: 24px;
  display: flex;
  flex-direction: column;
}

.footer--original .footer__sitemap-title {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #fff;
  line-height: 2;
  transition: opacity 0.3s ease;
}

.footer--original .footer__sitemap-title:hover {
  opacity: 0.75;
}

.footer--original .footer__sitemap-item {
  display: none; /* 下層リンクを非表示（大メニューのみ表示） */
}

.footer--original .footer__sitemap-item:hover {
  opacity: 0.75;
}

.footer--original .footer__copyright {
  display: block;
  width: 100%;
  text-align: center;
  font-family: var(--font-en);
  font-size: 12px;
  color: #fff;
}

/* Footer Original - Tablet */
@media (max-width: 1024px) {
  .footer--original .footer__logo-main {
    font-size: 56px;
  }

  .footer--original .footer__logo-sub {
    font-size: 14px;
  }
}

/* Footer Original - Mobile */
@media (max-width: 768px) {
  .footer--original {
    padding: 30px 0;
  }

  .footer--original .footer__upper {
    margin-bottom: 20px;
  }

  .footer--original .footer__logo-main {
    font-size: 30px;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
  }

  .footer--original .footer__logo-sub {
    font-size: 10px;
    letter-spacing: 0.1em;
  }

  .footer--original .footer__lower {
    margin-bottom: 20px;
  }

  .footer--original .footer__sitemap {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer--original .footer__sitemap-col {
    padding-top: 16px;
    padding-bottom: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
  }

  .footer--original .footer__sitemap-col:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  }

  .footer--original .footer__sitemap-title {
    font-size: 14px;
  }

  .footer--original .footer__sitemap-item {
    display: none; /* SP版では下層リンクを非表示 */
  }

  .footer--original .footer__copyright {
    font-size: 10px;
  }
}

/* ============================================
   Buttons & Links
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: 1px solid;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

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

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

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

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text);
}

.link-arrow::after {
  content: "→";
  transition: transform 0.3s ease;
}

.link-arrow:hover::after {
  transform: translateX(4px);
}

.link-arrow--light {
  color: var(--color-white);
}

/* ============================================
   Container
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.container--wide {
  max-width: 1400px;
}

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-40 { margin-bottom: 40px; }
.mt-40 { margin-top: 40px; }
.mt-60 { margin-top: 60px; }
.mt-80 { margin-top: 80px; }

/* ============================================
   Responsive - Tablet
   ============================================ */

@media (max-width: 1024px) {
  :root {
    --content-padding: 48px;
    --section-padding: 100px;
  }

  .hero__logo img {
    height: 100px;
  }

  .hero__logo-en {
    font-size: 64px;
    margin-bottom: 16px;
  }

  .hero__logo-ja {
    font-size: 20px;
    letter-spacing: 0.25em;
  }

  .hero__title {
    font-size: 48px;
    line-height: 1.3;
  }

  .hero__title-en {
    font-size: 14px;
  }

  .hero__subtitle {
    font-size: 24px;
    line-height: 1.4;
  }

  /* Tablet - Section Labels */
  .section-label {
    font-size: 60px;
  }

  .service-header__label {
    font-size: 72px;
  }

  .news-header__label {
    font-size: 60px;
  }

  .recruit-section__label {
    font-size: 72px;
  }

  .contact-section__label {
    font-size: 60px;
  }

  .split-section {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .split-section__content {
    padding: 80px var(--content-padding);
  }

  .split-section__image {
    height: 400px;
  }

  .heading-xl {
    font-size: 36px;
  }

  .service-grid--3col {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-grid--2col {
    max-width: none;
    margin-top: 24px;
  }

  .contact-section__inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .footer__nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

/* ============================================
   Responsive - Mobile
   ============================================ */

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
    --content-padding: 24px;
    --section-padding: 80px;
  }

  .header__inner {
    padding: 0 20px;
  }

  .header__logo img {
    height: 16px;
  }

  .header__nav {
    display: none;
  }

  .header__contact {
    display: none;
  }

  .header__menu-btn {
    display: block;
    width: 24px;
    height: 16px;
    position: relative;
    cursor: pointer;
  }

  .header__menu-btn span {
    display: block;
    width: 100%;
    height: 1px;
    background: var(--color-text);
    position: absolute;
    left: 0;
  }

  .header__menu-btn span:nth-child(1) { top: 0; }
  .header__menu-btn span:nth-child(2) { top: 50%; }
  .header__menu-btn span:nth-child(3) { bottom: 0; }

  .hero {
    min-height: 100vh;
  }

  .hero__logo {
    margin-bottom: 32px;
  }

  .hero__logo img {
    height: 60px;
  }

  .hero__logo-en {
    font-size: 35px;
    margin-bottom: 10px;
    letter-spacing: 0.03em;
  }

  .hero__logo-ja {
    font-size: 20px;
    letter-spacing: 0.08em;
  }

  .hero__title {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 8px;
  }

  .hero__title-en {
    font-size: 12px;
    margin-bottom: 20px;
  }

  .hero__subtitle {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
  }

  .hero__content {
    padding: 0 24px;
  }

  /* Mobile - Section Labels */
  .section-label {
    font-size: 40px;
    margin-bottom: 20px;
  }

  .service-header__label {
    font-size: 48px;
    margin-bottom: 16px;
  }

  .news-header__label {
    font-size: 40px;
  }

  .recruit-section__label {
    font-size: 48px;
    margin-bottom: 24px;
  }

  .contact-section__label {
    font-size: 40px;
    margin-bottom: 16px;
  }

  .split-section__image {
    height: 280px;
  }

  .heading-xl {
    font-size: 28px;
  }

  .service-header__title {
    font-size: 28px;
  }

  .service-grid--3col,
  .service-grid--2col {
    grid-template-columns: 1fr;
  }

  .news-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .news-header__left {
    flex-direction: column;
    gap: 8px;
  }

  .news-header__title {
    font-size: 24px;
  }

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

  .news-item__arrow {
    display: none;
  }

  .recruit-section {
    min-height: 80vh;
  }

  .recruit-section__title {
    font-size: 32px;
  }

  .contact-section__cta {
    grid-template-columns: 1fr;
  }

  .footer__nav {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
}

/* ============================================
   SP Header - Hamburger Menu
   ============================================ */

.header--sp .header__logo img {
  height: 16px;
}

.header--sp .header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: all 0.3s ease;
}

.header__hamburger span:nth-child(1) {
  margin-bottom: 6px;
}

.header__hamburger span:nth-child(3) {
  margin-top: 6px;
}

/* Hamburger Animation - X */
.header__hamburger.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
  background: var(--color-white);
}

.header__hamburger.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.header__hamburger.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
  background: var(--color-white);
}

/* Header state when menu is open */
.header.is-menu-open {
  background: transparent;
}

/* ============================================
   Mobile Menu Overlay
   ============================================ */

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-primary);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
  padding: 100px 40px 60px;
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.mobile-menu__item {
  font-family: var(--font-en-heading);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--color-white);
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}

.mobile-menu.is-open .mobile-menu__item {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.is-open .mobile-menu__item:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(6) { transition-delay: 0.35s; }

.mobile-menu__item:hover {
  color: rgba(255, 255, 255, 0.7);
}

.mobile-menu__contact {
  margin-top: 60px;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease 0.4s, transform 0.4s ease 0.4s;
}

.mobile-menu.is-open .mobile-menu__contact {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu__tel {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.mobile-menu__time {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Responsive Utilities
   ============================================ */

/* SP only display */
.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }
}

/* PC only display */
.pc-only {
  display: inline;
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

/* Hamburger - PC: hidden, SP: visible */
.header__hamburger {
  display: none;
}

@media (max-width: 768px) {
  .header__hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
  }
}

/* Loading PC/SP responsive */
.loading__poster--sp,
.loading__video--sp {
  display: none;
}

@media (max-width: 768px) {
  .loading__poster--pc,
  .loading__video--pc {
    display: none;
  }

  .loading__poster--sp,
  .loading__video--sp {
    display: block;
  }
}