/*
Theme Name: Monochrome Inc 人材紹介版.
Theme URI: https://monochrome-inc.jp
Author: Monochrome Inc.
Author URI: https://monochrome-inc.jp
Description: 20260204制作 文章を柔らかい表現に変更済み
Version: 2.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: monochrome
Tags: corporate, minimal, black-and-white, custom-menu
*/

/* ============================================
   CSS Variables
============================================ */
:root {
  /* Mono Colors */
  --mono-50: #f9fafb;
  --mono-100: #f3f4f6;
  --mono-200: #e5e7eb;
  --mono-300: #d1d5db;
  --mono-400: #9ca3af;
  --mono-500: #6b7280;
  --mono-600: #4b5563;
  --mono-700: #374151;
  --mono-800: #1f2937;
  --mono-900: #111827;
  --mono-950: #030712;

  /* Font Families */
  --font-sans: "Noto Sans JP", "Inter", sans-serif;
  --font-serif: "Noto Serif JP", serif;
  --font-english: "Inter", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: #000000;
  color: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}
.mobile-only {
  display: none;
}

/* ============================================
   Typography
============================================ */
.font-sans {
  font-family: var(--font-sans);
}
.font-serif {
  font-family: var(--font-serif);
}
.font-english {
  font-family: var(--font-english);
}

.text-xs {
  font-size: 0.75rem;
  line-height: 1rem;
}
.text-sm {
  font-size: 0.875rem;
  line-height: 1.25rem;
}
.text-base {
  font-size: 1rem;
  line-height: 1.5rem;
}
.text-lg {
  font-size: 1.125rem;
  line-height: 1.75rem;
}
.text-xl {
  font-size: 1.25rem;
  line-height: 1.75rem;
}
.text-2xl {
  font-size: 1.5rem;
  line-height: 2rem;
}
.text-3xl {
  font-size: 1.875rem;
  line-height: 2.25rem;
}
.text-4xl {
  font-size: 2.25rem;
  line-height: 2.5rem;
}
.text-5xl {
  font-size: 3rem;
  line-height: 1.2;
}
.text-6xl {
  font-size: 3.75rem;
  line-height: 1.1;
}
.text-7xl {
  font-size: 4.5rem;
  line-height: 1.1;
}

.font-light {
  font-weight: 300;
}
.font-normal {
  font-weight: 400;
}
.font-medium {
  font-weight: 500;
}
.font-bold {
  font-weight: 700;
}

.tracking-tight {
  letter-spacing: -0.025em;
}
.tracking-tighter {
  letter-spacing: -0.05em;
}
.tracking-wide {
  letter-spacing: 0.025em;
}
.tracking-wider {
  letter-spacing: 0.05em;
}
.tracking-widest {
  letter-spacing: 0.1em;
}

.leading-tight {
  line-height: 1.25;
}
.leading-relaxed {
  line-height: 1.625;
}
.leading-loose {
  line-height: 2;
}

.uppercase {
  text-transform: uppercase;
}
.text-center {
  text-align: center;
}
.text-justify {
  text-align: justify;
}

/* ============================================
   Colors
============================================ */
.bg-black {
  background-color: #000000;
}
.bg-white {
  background-color: #ffffff;
}
.bg-mono-50 {
  background-color: var(--mono-50);
}
.bg-mono-100 {
  background-color: var(--mono-100);
}
.bg-mono-800 {
  background-color: var(--mono-800);
}
.bg-mono-900 {
  background-color: var(--mono-900);
}

.text-white {
  color: #ffffff;
}
.text-black {
  color: #000000;
}
.text-mono-300 {
  color: var(--mono-300);
}
.text-mono-400 {
  color: var(--mono-400);
}
.text-mono-500 {
  color: var(--mono-500);
}
.text-mono-600 {
  color: var(--mono-600);
}
.text-mono-700 {
  color: var(--mono-700);
}
.text-mono-900 {
  color: var(--mono-900);
}

/* ============================================
   Layout
============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 3rem;
  }
}

.max-w-3xl {
  max-width: 48rem;
}
.max-w-4xl {
  max-width: 56rem;
}
.max-w-5xl {
  max-width: 64rem;
}
.max-w-7xl {
  max-width: 80rem;
}

.min-h-screen {
  min-height: 100vh;
}
.h-screen {
  height: 100vh;
}

.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-grow {
  flex-grow: 1;
}
.items-center {
  align-items: center;
}
.items-start {
  align-items: flex-start;
}
.items-end {
  align-items: flex-end;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}

.grid {
  display: grid;
}
.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
.gap-4 {
  gap: 1rem;
}
.gap-6 {
  gap: 1.5rem;
}
.gap-8 {
  gap: 2rem;
}
.gap-12 {
  gap: 3rem;
}
.gap-16 {
  gap: 4rem;
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .md\:grid-cols-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .md\:col-span-3 {
    grid-column: span 3 / span 3;
  }
  .md\:col-span-4 {
    grid-column: span 4 / span 4;
  }
  .md\:col-span-5 {
    grid-column: span 5 / span 5;
  }
  .md\:col-span-7 {
    grid-column: span 7 / span 7;
  }
  .md\:col-span-8 {
    grid-column: span 8 / span 8;
  }
  .md\:col-span-9 {
    grid-column: span 9 / span 9;
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .lg\:col-span-4 {
    grid-column: span 4 / span 4;
  }
  .lg\:col-span-8 {
    grid-column: span 8 / span 8;
  }
}

/* ============================================
   Spacing
============================================ */
.p-2 {
  padding: 0.5rem;
}
.p-4 {
  padding: 1rem;
}
.p-6 {
  padding: 1.5rem;
}
.p-8 {
  padding: 2rem;
}
.p-10 {
  padding: 2.5rem;
}

.px-2 {
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}
.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}
.px-6 {
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.py-1 {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}
.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.py-6 {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.py-16 {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
.py-24 {
  padding-top: 6rem;
  padding-bottom: 6rem;
}
.py-32 {
  padding-top: 8rem;
  padding-bottom: 8rem;
}

.pt-4 {
  padding-top: 1rem;
}
.pt-8 {
  padding-top: 2rem;
}
.pt-20 {
  padding-top: 5rem;
}
.pt-32 {
  padding-top: 8rem;
}
.pb-16 {
  padding-bottom: 4rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-6 {
  margin-bottom: 1.5rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.mb-12 {
  margin-bottom: 3rem;
}
.mb-16 {
  margin-bottom: 4rem;
}

.mt-8 {
  margin-top: 2rem;
}
.mt-16 {
  margin-top: 4rem;
}
.mt-24 {
  margin-top: 6rem;
}

.mr-6 {
  margin-right: 1.5rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.space-y-2 > * + * {
  margin-top: 0.5rem;
}
.space-y-4 > * + * {
  margin-top: 1rem;
}
.space-y-6 > * + * {
  margin-top: 1.5rem;
}
.space-y-8 > * + * {
  margin-top: 2rem;
}
.space-y-12 > * + * {
  margin-top: 3rem;
}

.space-x-12 > * + * {
  margin-left: 3rem;
}

@media (min-width: 768px) {
  .md\:px-12 {
    padding-left: 3rem;
    padding-right: 3rem;
  }
  .md\:py-32 {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
  .md\:py-40 {
    padding-top: 10rem;
    padding-bottom: 10rem;
  }
  .md\:py-48 {
    padding-top: 12rem;
    padding-bottom: 12rem;
  }
  .md\:pt-24 {
    padding-top: 6rem;
  }
  .md\:mb-24 {
    margin-bottom: 6rem;
  }
  .md\:leading-9 {
    line-height: 2.25rem;
  }
}

/* ============================================
   Borders
============================================ */
.border {
  border-width: 1px;
  border-style: solid;
}
.border-b {
  border-bottom-width: 1px;
  border-bottom-style: solid;
}
.border-t {
  border-top-width: 1px;
  border-top-style: solid;
}

.border-white\/5 {
  border-color: rgba(255, 255, 255, 0.05);
}
.border-white\/10 {
  border-color: rgba(255, 255, 255, 0.1);
}
.border-white\/20 {
  border-color: rgba(255, 255, 255, 0.2);
}
.border-mono-200 {
  border-color: var(--mono-200);
}
.border-mono-300 {
  border-color: var(--mono-300);
}
.border-mono-700 {
  border-color: var(--mono-700);
}
.border-mono-800 {
  border-color: var(--mono-800);
}
.border-neutral-800 {
  border-color: #262626;
}
.border-neutral-900 {
  border-color: #171717;
}

.rounded {
  border-radius: 0.25rem;
}
.rounded-lg {
  border-radius: 0.5rem;
}
.rounded-2xl {
  border-radius: 1rem;
}
.rounded-full {
  border-radius: 9999px;
}

/* ============================================
   Header
============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(12px);
  background-color: rgba(0, 0, 0, 0.5);
  animation: headerFadeIn 0.8s ease-out forwards;
}

@media (min-width: 768px) {
  .site-header {
    padding: 1rem 3rem;
  }
}

@keyframes headerFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.site-logo {
  font-family: var(--font-english);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.05em;
  color: #ffffff;
  transition: opacity 0.3s ease;
  width: 180px;
}

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

.main-nav {
  display: none;
}

@media (min-width: 768px) {
  .main-nav {
    display: flex;
    gap: 3rem;
  }
}

.main-nav a {
  font-family: var(--font-english);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mono-400);
  transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: #ffffff;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 51;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease;
}

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

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

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  background-color: #000000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-overlay nav {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  text-align: center;
}

.mobile-nav-overlay a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: #ffffff;
}

/* ============================================
   Hero Section
============================================ */
.hero-section {
  position: relative;
  height: calc(100vh - 58.3px);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #000000;
  color: #ffffff;
}

@media (max-width: 768px) {
  .hero-section .container .font-serif {
    font-size: 38px !important;
    text-align: left;
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.4;
  pointer-events: none;
}

.hero-bg svg {
  width: 800px;
  height: 600px;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 0 1rem;
  max-width: 56rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 500;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-divider {
  height: 1px;
  width: 6rem;
  background-color: rgba(255, 255, 255, 0.3);
  margin: 0 auto 2rem;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--mono-300);
  letter-spacing: 0.1em;
  font-weight: 300;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1rem;
  }
}

.scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-english);
  font-size: 0.75rem;
  color: var(--mono-500);
  letter-spacing: 0.1em;
  animation: fadeIn 1s ease 2s forwards;
  opacity: 0;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* SVG Path Animation */
.hero-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawPath 3s ease-in-out forwards;
}

.hero-path-delayed {
  animation-delay: 0.5s;
}

.hero-path-echo {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawPath 4s ease-out forwards;
}

.hero-path-echo-1 {
  animation-delay: 1s;
}

.hero-path-echo-2 {
  animation-delay: 1.5s;
}

@keyframes drawPath {
  to {
    stroke-dashoffset: 0;
  }
}

/* ============================================
   About Section
============================================ */
.about-section {
  position: relative;
  width: 100%;
  background-color: #ffffff;
  color: #000000;
  padding: 8rem 1.5rem;
}

@media (min-width: 768px) {
  .about-section {
    padding: 12rem 3rem;
  }
}

.about-inner {
  max-width: 80rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 1024px) {
  .about-inner {
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
  }
}

.about-left h3 {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--mono-400);
  margin-bottom: 1rem;
}

.about-left p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 2;
  color: var(--mono-600);
}

.about-right h2 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 500;
  margin-bottom: 3rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .about-right h2 {
    font-size: 2.25rem;
  }
}

.about-right .about-text {
  color: var(--mono-700);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 2;
  letter-spacing: 0.025em;
  text-align: justify;
}

.about-right .about-text p + p {
  margin-top: 2rem;
}

/* ============================================
   Value Proposition Section
============================================ */
.value-section {
  width: 100%;
  background-color: #ffffff;
  padding: 6rem 1.5rem 8rem;
}

@media (min-width: 768px) {
  .value-section {
    padding: 8rem 3rem;
  }
}

.value-inner {
  max-width: 80rem;
  margin: 0 auto;
}

.value-title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  margin-bottom: 4rem;
  color: #000000;
}

@media (min-width: 768px) {
  .value-title {
    margin-bottom: 6rem;
  }
}

.value-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  position: relative;
  height: 100%;
  padding: 2rem;
  background-color: var(--mono-50);
  border-radius: 1rem;
  border: 1px solid var(--mono-200);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.5s ease;
}

@media (min-width: 768px) {
  .value-card {
    padding: 2.5rem;
  }
}

.value-card:hover {
  border-color: var(--mono-400);
}

.value-card-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 1.5rem;
  color: var(--mono-900);
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.value-card:hover .value-card-icon {
  opacity: 1;
}

.value-card-subtitle {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mono-400);
  margin-bottom: 0.5rem;
}

.value-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--mono-900);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .value-card-title {
    font-size: 1.5rem;
  }
}

.value-card-desc {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--mono-600);
  line-height: 1.625;
}

@media (min-width: 768px) {
  .value-card-desc {
    font-size: 1rem;
  }
}

/* ============================================
   Page Header
============================================ */
.page-header {
  width: 100%;
  background-color: #000000;
  color: #ffffff;
  padding: 8rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .page-header {
    padding: 10rem 3rem 4rem;
  }
}

.page-header-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0MCIgaGVpZ2h0PSI0MCI+CjxwYXRoIGQ9Ik0wIDBoNDB2NDBIMHoiIGZpbGw9Im5vbmUiLz4KPHBhdGggZD0iTTAgNDBMNDAgMCIgc3Ryb2tlPSIjMzMzIiBzdHJva2Utb3BhY2l0eT0iMC4zIiBzdHJva2Utd2lkdGg9IjAuNSIvPgo8L3N2Zz4=");
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .page-header h1 {
    font-size: 3.75rem;
  }
}

/* ============================================
   Company Page
============================================ */
.company-content {
  max-width: 64rem;
  margin: 0 auto;
  padding: 6rem 1.5rem 8rem;
}

@media (min-width: 768px) {
  .company-content {
    padding: 8rem 3rem;
  }
}

.company-section {
  margin-bottom: 8rem;
}

.company-section:last-child {
  margin-bottom: 0;
}

.section-label {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--mono-400);
  margin-bottom: 2rem;
}

.ceo-message {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 768px) {
  .ceo-message {
    grid-template-columns: 5fr 7fr;
  }
}

.ceo-message h3 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.ceo-message .message-text {
  color: var(--mono-600);
  font-weight: 300;
  line-height: 2;
  text-align: justify;
}

.ceo-message .message-text p + p {
  margin-top: 1.5rem;
}

.ceo-signature {
  margin-top: 2rem;
  font-family: var(--font-serif);
  color: #000000;
}

.profile-table {
  border-top: 1px solid var(--mono-200);
}

.profile-row {
  display: grid;
  grid-template-columns: 1fr;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--mono-200);
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .profile-row {
    grid-template-columns: 1fr 3fr;
    gap: 0;
  }
}

.profile-row dt {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--mono-900);
}

.profile-row dd {
  font-size: 0.875rem;
  color: var(--mono-600);
  font-weight: 300;
}

/* ============================================
   Services Page
============================================ */
.services-header {
  padding-top: 8rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  .services-header {
    padding-top: 10rem;
  }
}

.services-header h1 {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .services-header h1 {
    font-size: 3.75rem;
  }
}

.services-header p {
  color: var(--mono-400);
  font-weight: 300;
  max-width: 42rem;
}

.service-section {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

@media (min-width: 768px) {
  .service-section {
    padding: 3rem 3rem;
  }
}

.service-section:last-child {
  border-bottom: none;
}

.service-inner {
  max-width: 80rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .service-inner {
    grid-template-columns: 1fr 1fr;
  }
}

.service-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--mono-900);
  border-radius: 0.5rem;
  border: 1px solid var(--mono-800);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    45deg,
    transparent 25%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 75%,
    transparent 100%
  );
  background-size: 250% 250%;
  background-position: -100% 0;
  transition: background-position 1.5s ease-in-out;
}

.service-image:hover::before {
  background-position: 200% 0;
}

.service-image svg {
  width: 64px;
  height: 64px;
  color: var(--mono-700);
}

.service-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  color: var(--mono-300);
  margin-bottom: 1.5rem;
}

.service-content h2 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  margin-bottom: 1.5rem;
}

.service-content > p {
  color: var(--mono-400);
  line-height: 1.625;
  margin-bottom: 2rem;
  font-weight: 300;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--mono-300);
}

.service-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  background-color: #ffffff;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   News Page
============================================ */
.news-page {
  min-height: 100vh;
  background-color: #000000;
  color: #ffffff;
}

.news-content {
  max-width: 64rem;
  margin: 0 auto;
  padding: 8rem 1.5rem 10rem;
}

@media (min-width: 768px) {
  .news-content {
    padding: 10rem 3rem;
  }
}

.news-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 500;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .news-title {
    font-size: 3.75rem;
    margin-bottom: 6rem;
  }
}

.news-list {
  border-top: 1px solid var(--mono-800);
}

.news-item {
  display: flex;
  flex-direction: column;
  padding: 2rem 0;
  border-bottom: 1px solid var(--mono-800);
  transition: background-color 0.3s ease;
}

@media (min-width: 768px) {
  .news-item {
    flex-direction: row;
    align-items: center;
  }
}

.news-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.news-meta {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .news-meta {
    width: 16rem;
    margin-bottom: 0;
  }
}

.news-date {
  font-family: var(--font-english);
  font-size: 0.875rem;
  color: var(--mono-500);
  margin-right: 1.5rem;
}

.news-category {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--mono-700);
  border-radius: 0.25rem;
  color: var(--mono-300);
  transition:
    border-color 0.3s ease,
    color 0.3s ease;
}

.news-item:hover .news-category {
  border-color: #ffffff;
  color: #ffffff;
}

.news-item-title {
  flex-grow: 1;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--mono-200);
  transition: color 0.3s ease;
}

@media (min-width: 768px) {
  .news-item-title {
    font-size: 1.125rem;
  }
}

.news-item:hover .news-item-title {
  color: #ffffff;
}

.news-pagination {
  margin-top: 4rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.news-pagination a,
.news-pagination span {
  padding: 0.5rem 1rem;
  border: 1px solid var(--mono-700);
  border-radius: 0.25rem;
  font-size: 0.875rem;
  transition: border-color 0.3s ease;
}

.news-pagination a:hover {
  border-color: #ffffff;
}

.news-pagination .current {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

/* ============================================
   Single Post (News Detail)
============================================ */
.single-post {
  min-height: 100vh;
  background-color: #ffffff;
  color: #000000;
}

.single-featured-image {
  width: 100%;
  height: 16rem;
  background-color: var(--mono-100);
}

@media (min-width: 768px) {
  .single-featured-image {
    height: 24rem;
  }
}

.single-featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-content {
  max-width: 48rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

@media (min-width: 768px) {
  .single-content {
    padding: 6rem 3rem;
  }
}

.single-back {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  color: var(--mono-500);
  margin-bottom: 3rem;
  transition: color 0.3s ease;
}

.single-back:hover {
  color: #000000;
}

.single-header {
  margin-bottom: 3rem;
}

.single-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.single-meta time {
  font-size: 0.875rem;
  color: var(--mono-500);
}

.single-meta .category {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--mono-300);
  border-radius: 0.25rem;
}

.single-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 500;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .single-title {
    font-size: 2.25rem;
  }
}

.single-body {
  font-family: var(--font-sans);
  line-height: 2;
  color: var(--mono-700);
}

.single-body p {
  margin-bottom: 1.5rem;
}

.single-body h2,
.single-body h3,
.single-body h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.single-body h2 {
  font-size: 1.5rem;
}

.single-body h3 {
  font-size: 1.25rem;
}

.single-body a {
  color: #000000;
  text-decoration: underline;
}

.single-body a:hover {
  text-decoration: none;
}

.single-body img {
  border-radius: 0.5rem;
  margin: 2rem 0;
}

.single-body blockquote {
  border-left: 3px solid #000000;
  padding-left: 1.5rem;
  color: var(--mono-600);
  font-style: italic;
  margin: 2rem 0;
}

.single-body ul,
.single-body ol {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.single-body li {
  margin-bottom: 0.5rem;
  list-style: disc;
}

.single-body ol li {
  list-style: decimal;
}

/* ============================================
   Contact Page
============================================ */
.contact-page {
  min-height: 100vh;
  background-color: #ffffff;
  color: #000000;
  display: flex;
  flex-direction: column;
}

.contact-content {
  flex-grow: 1;
  width: 100%;
  max-width: 48rem;
  margin: 0 auto;
  padding: 6rem 1.5rem 8rem;
}

@media (min-width: 768px) {
  .contact-content {
    padding: 8rem 3rem;
  }
}

.contact-content h1 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .contact-content h1 {
    font-size: 3rem;
  }
}

.contact-intro {
  color: var(--mono-500);
  font-weight: 300;
  margin-bottom: 4rem;
  line-height: 1.8;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  display: block;
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--mono-300);
  background: transparent;
  padding: 1rem 0;
  font-size: 1rem;
  color: #000000;
  transition: border-color 0.3s ease;
  border-radius: 0;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #000000;
}

.form-group label {
  position: absolute;
  left: 0;
  top: 1rem;
  color: var(--mono-400);
  font-size: 1rem;
  transition: all 0.3s ease;
  pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
  top: -0.75rem;
  font-size: 0.75rem;
  color: #000000;
}

.form-group textarea {
  resize: none;
  min-height: 100px;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-english);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #000000;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.3s ease;
}

.submit-btn:hover {
  opacity: 0.6;
}

.submit-btn svg {
  transition: transform 0.3s ease;
}

.submit-btn:hover svg {
  transform: translateX(8px);
}

/* ============================================
   Privacy Page
============================================ */
.privacy-page {
  min-height: 100vh;
  background-color: #ffffff;
  color: #000000;
}

.privacy-content {
  max-width: 56rem;
  margin: 0 auto;
  padding: 8rem 1.5rem 10rem;
}

@media (min-width: 768px) {
  .privacy-content {
    padding: 10rem 3rem;
  }
}

.privacy-content h1 {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 500;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .privacy-content h1 {
    font-size: 3rem;
  }
}

.privacy-body {
  color: var(--mono-700);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 2;
}

@media (min-width: 768px) {
  .privacy-body {
    font-size: 1rem;
  }
}

.privacy-body section {
  margin-bottom: 3rem;
}

.privacy-body h2 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #000000;
  margin-bottom: 1rem;
}

.privacy-body ul {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.privacy-body li {
  list-style: disc;
  margin-bottom: 0.5rem;
}

/* ============================================
   Footer
============================================ */
.site-footer {
  background-color: #000000;
  color: #ffffff;
  padding: 6rem 1.5rem;
  border-top: 1px solid #171717;
  margin-top: auto;
}

@media (min-width: 768px) {
  .site-footer {
    padding: 6rem 3rem;
  }
}

.footer-inner {
  max-width: 80rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }
}

.footer-brand a {
  font-family: var(--font-english);
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.05em;
  display: block;
  margin-bottom: 1.5rem;
  transition: opacity 0.3s ease;
}

.footer-brand a:hover {
  opacity: 0.8;
}

.footer-address {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--mono-400);
  line-height: 2;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 768px) {
  .footer-nav {
    flex-direction: row;
    gap: 4rem;
  }
}

.footer-nav a {
  font-family: var(--font-english);
  font-size: 0.875rem;
  color: var(--mono-500);
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #ffffff;
}

.footer-bottom {
  max-width: 80rem;
  margin: 6rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid #171717;
}

.footer-copyright {
  font-family: var(--font-english);
  font-size: 0.75rem;
  color: var(--mono-600);
}

/* ============================================
   Scroll Reveal Animation
============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}
.reveal-delay-4 {
  transition-delay: 0.4s;
}
.reveal-delay-5 {
  transition-delay: 0.5s;
}
.reveal-delay-6 {
  transition-delay: 0.6s;
}

/* ============================================
   Utility Classes
============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.fixed {
  position: fixed;
}

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.z-0 {
  z-index: 0;
}
.z-10 {
  z-index: 10;
}
.z-40 {
  z-index: 40;
}
.z-50 {
  z-index: 50;
}

.overflow-hidden {
  overflow: hidden;
}
.pointer-events-none {
  pointer-events: none;
}

.opacity-0 {
  opacity: 0;
}
.opacity-40 {
  opacity: 0.4;
}
.opacity-70 {
  opacity: 0.7;
}

.transition-colors {
  transition:
    color 0.3s ease,
    background-color 0.3s ease,
    border-color 0.3s ease;
}
.transition-opacity {
  transition: opacity 0.3s ease;
}
.transition-transform {
  transition: transform 0.3s ease;
}

.hover\:opacity-80:hover {
  opacity: 0.8;
}
.hover\:text-white:hover {
  color: #ffffff;
}

/* Hidden classes for responsive */
@media (max-width: 767px) {
  .md\:hidden {
    display: block;
  }
}

@media (min-width: 768px) {
  .hidden.md\:flex {
    display: flex;
  }
  .md\:hidden {
    display: none;
  }
  .md\:flex-row {
    flex-direction: row;
  }
  .md\:items-center {
    align-items: center;
  }
  .md\:w-64 {
    width: 16rem;
  }
  .md\:mb-0 {
    margin-bottom: 0;
  }
  .md\:gap-0 {
    gap: 0;
  }
  .md\:gap-16 {
    gap: 4rem;
  }
}

@media (min-width: 1024px) {
  .lg\:order-1 {
    order: 1;
  }
  .lg\:order-2 {
    order: 2;
  }
  .lg\:gap-24 {
    gap: 6rem;
  }
}
/* 20251128追記 */
.footer-logo {
  width: 230px;
}
@media (max-width: 768px) {
  .footer-nav {
    gap: 1rem;
  }
  .footer-bottom {
    margin-top: 1rem;
  }
}

/* ============================================
   Recruit Page Styles
   Add this to your style.css
============================================ */

/* Recruit Hero Section */
.recruit-hero {
  position: relative;
  min-height: calc(100vh - 58.3px);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #000;
  color: #fff;
  overflow: hidden;
}

.recruit-hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.08;
}

.recruit-hero-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid #fff;
  border-radius: 50%;
}

.recruit-hero-circle-1 {
  width: 800px;
  height: 800px;
}

.recruit-hero-circle-2 {
  width: 500px;
  height: 500px;
}

.recruit-hero-circle-3 {
  width: 200px;
  height: 200px;
}

.recruit-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
}

.recruit-hero-label {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--mono-400);
  margin-bottom: 1.5rem;
}

.recruit-hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 500;
  margin-bottom: 2rem;
  letter-spacing: 0.05em;
  line-height: 1.4;
}

.recruit-hero-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
  font-weight: 300;
}

.recruit-scroll-indicator {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-english);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.4);
}

/* Recruit Sections */
.recruit-section {
  padding: 6rem 1.5rem;
}

@media (min-width: 768px) {
  .recruit-section {
    padding: 8rem 3rem;
  }
}

.recruit-section-white {
  background-color: #fff;
  color: #000;
}

.recruit-section-gray {
  background-color: #f9fafb;
  color: #000;
}

.recruit-section-black {
  background-color: #000;
  color: #fff;
}

.recruit-section-cta {
  background-color: #000;
  color: #fff;
  padding: 6rem 1.5rem;
}

.recruit-section-label {
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--mono-400);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.recruit-section-title {
  font-size: 1.875rem;
  font-weight: 500;
  line-height: 1.6;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .recruit-section-title {
    font-size: 2.25rem;
  }
}

/* Message Section */
.recruit-message-content {
  max-width: 800px;
  margin: 0 auto;
}

.recruit-message-content p {
  color: var(--mono-600);
  font-weight: 300;
  line-height: 2;
  margin-bottom: 1.5rem;
}

.recruit-message-content p:last-child {
  margin-bottom: 0;
}

/* Features Grid */
.recruit-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .recruit-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.recruit-feature-card {
  background: #fff;
  padding: 2.5rem 2rem;
  border: 1px solid var(--mono-200);
  border-radius: 0.5rem;
}

.recruit-section-gray .recruit-feature-card {
  background: #fff;
}

.recruit-feature-number {
  font-family: var(--font-english);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--mono-200);
  margin-bottom: 1.5rem;
}

.recruit-feature-title {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #000;
}

.recruit-feature-desc {
  font-size: 0.875rem;
  color: var(--mono-600);
  line-height: 1.8;
}

/* Positions Grid */
.recruit-positions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .recruit-positions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.recruit-position-simple {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 2.5rem;
  transition: border-color 0.3s ease;
}

.recruit-position-simple:hover {
  border-color: rgba(255, 255, 255, 0.25);
}

.recruit-position-tag {
  display: inline-block;
  font-family: var(--font-english);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.375rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 9999px;
  color: var(--mono-300);
  margin-bottom: 1.25rem;
}

.recruit-position-title {
  font-size: 1.375rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: #fff;
}

.recruit-position-desc {
  font-size: 0.9375rem;
  color: var(--mono-400);
  line-height: 1.8;
}

/* CTA Button */
.recruit-cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: #fff;
  color: #000;
  padding: 1.25rem 3rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: 0.25rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.recruit-cta-button:hover {
  background: var(--mono-200);
}

.recruit-cta-button svg {
  transition: transform 0.3s ease;
}

.recruit-cta-button:hover svg {
  transform: translateX(4px);
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .recruit-hero-title {
    text-align: left;
  }

  .recruit-hero-content {
    text-align: left;
    padding: 0 1rem;
  }

  .recruit-hero-subtitle {
    text-align: left;
  }

  .recruit-section-title {
    font-size: 1.5rem;
  }

  .recruit-position-simple {
    padding: 2rem 1.5rem;
  }

  .recruit-cta-button {
    width: 100%;
    justify-content: center;
  }
  .mobile-only {
    display: initial !important;
  }
}