/* ==========================================================================
   Variables & Reset
   ========================================================================== */
:root {
  --color-primary: #1e293b;   /* 都会的なディープネイビー */
  --color-accent: #c5a880;    /* 優しさと洗練さを纏うゴールド */
  --color-text: #334155;      /* 柔らかなチャコールグレー */
  --color-bg-light: #f8fafc;  /* すっきりとした背景のグレー */
  --color-white: #ffffff;

  --font-sans: 'Noto Sans JP', sans-serif;
  --font-serif: 'Cormorant Garamond', serif;

  --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  letter-spacing: 0.05em;
  word-wrap: break-word;
  overflow-x: hidden;
}

body.no-scroll {
  overflow: hidden;
}

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

ul {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* Common Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}

/* 英語サブタイトル（各セクション共通） */
.section-en {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.35em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  opacity: 0.85;
}

/* ==========================================================================
   Header & Navigation (PC Default)
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1100;
  padding: 1.5rem 0;
  transition: var(--transition);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header .logo img {
  width: 220px;
  height: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s ease;
}

.header.scrolled .logo img {
  filter: none;
}

.header-nav ul {
  display: flex;
  gap: 2rem;
  flex-direction: row;
  align-items: center;
}

.header-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  position: relative;
}

.header.scrolled .header-nav a {
  color: var(--color-primary);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: var(--transition);
}

.header-nav a:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  background: url('../assets/images/kanoa_top.jpg');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.18);
}

.hero-inner {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.hero .eyebrow {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 2rem;
  letter-spacing: 0.08em;
}

.hero .lead {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.8;
  margin-bottom: 3rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--color-white);
  color: var(--color-white);
  border-radius: 0;
}

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

.btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.hero .scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.6);
  z-index: 10;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
  padding: 10rem 0;
  background-color: var(--color-white);
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about h2 {
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: 1rem;
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.about-tagline {
  font-size: 1rem;
  color: var(--color-accent);
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
  opacity: 0.9;
}

.about p {
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.about .section-en {
  color: var(--color-accent);
}

.about .image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.about .image img {
  max-width: min(400px, 100%);
}

/* ==========================================================================
   Core Value Section
   ========================================================================== */
.values {
  padding: 9rem 0;
  background-color: var(--color-bg-light);
}

.values-header {
  text-align: center;
  margin-bottom: 5rem;
}

.values-header .section-eyebrow {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.35em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: block;
}

.values h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 1.75rem;
}

.values-ja {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-top: 0.75rem;
  opacity: 0.85;
}

.values-lead {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text);
  font-size: 0.9rem;
  line-height: 2;
  opacity: 0.85;
}

/* ---- List ---- */
.values-list {
  max-width: 820px;
  margin: 0 auto;
  border-top: 1px solid #dde3ec;
}

.values-list article {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 3rem;
  align-items: start;
  padding: 3rem 0;
  border-bottom: 1px solid #dde3ec;
  cursor: default;
  transition: var(--transition);
}

.values-list article:hover {
  padding-left: 0.75rem;
}

/* アイコン列 */
.value-icon-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.value-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.value-icon-circle svg {
  color: var(--color-accent);
  transition: var(--transition);
}

.values-list article:hover .value-icon-circle {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.values-list article:hover .value-icon-circle svg {
  color: var(--color-white);
}

.value-num {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: 0.08em;
  transition: var(--transition);
  opacity: 0.7;
}

.values-list article:hover .value-num {
  opacity: 1;
  color: var(--color-primary);
}

.value-body {
  padding-top: 0.4rem;
}

.value-body h3 {
  font-size: 1.05rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 0.9rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.value-body p {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 2;
  opacity: 0.85;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
  padding: 10rem 0;
}

.services h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 5rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

.services .section-en {
  text-align: center;
  display: block;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid #e2e8f0;
  padding: 3.5rem 2.5rem;
  transition: var(--transition);
}

.service-card h3 {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

.service-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.service-logo {
  max-width: 240px;
  height: auto;
}

.service-card ul li {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  color: var(--color-text);
  position: relative;
  padding-left: 1.2rem;
}

.service-card ul li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.service-card.soon {
  background-color: var(--color-bg-light);
  border: 1px dashed #cbd5e1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  opacity: 0.8;
}

.service-card.soon h3 {
  font-family: var(--font-serif);
  color: #94a3b8;
  margin-bottom: 0.5rem;
}

.service-card.soon p {
  font-size: 0.85rem;
  color: #94a3b8;
}

/* ==========================================================================
   Company Profile Section
   ========================================================================== */
.company {
  padding: 8rem 0;
  background-color: var(--color-bg-light);
}

.company h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 3.5rem;
  text-align: center;
}

.company .section-en {
  text-align: center;
  display: block;
}

.company-table {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  border-collapse: collapse;
}

.company-table th,
.company-table td {
  padding: 1.4rem 0;
  border-bottom: 1px solid #dde3ec;
  vertical-align: top;
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.9;
}

.company-table th {
  width: 200px;
  min-width: 160px;
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding-right: 2rem;
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text);
}

.company-table tbody tr:first-child th,
.company-table tbody tr:first-child td {
  border-top: 1px solid #dde3ec;
}

.company-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.company-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.company-note {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--color-text);
  opacity: 0.65;
  line-height: 1.8;
}

.company-list li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 6rem 0;
  text-align: center;
}

footer h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

footer p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   Animation Class (JS 連動用)
   ========================================================================== */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.is-active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Responsive & Hamburger Menu (スマホ・タブレット対応)
   ========================================================================== */
@media (max-width: 968px) {
  .header {
    padding: 1rem 0;
  }

  .header .logo img {
    height: 28px;
    width: 180px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .btn {
    width: 100%;
    max-width: 320px;
  }

  .about h2 {
    font-size: 1.75rem;
    word-break: keep-all;
  }

  .about .container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .values-list article {
    grid-template-columns: 64px 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
  }

  .values-list article:hover {
    padding-left: 0.25rem;
  }

  .value-icon-circle {
    width: 52px;
    height: 52px;
  }

  .value-icon-circle svg {
    width: 20px;
    height: 20px;
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .values h2,
  .services h2 {
    font-size: 2rem;
    margin-bottom: 3rem;
  }

  /* 会社概要テーブル：スマホ時に縦積み */
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 0;
    border-top: none;
    border-bottom: none;
  }

  .company-table tbody tr:first-child th,
  .company-table tbody tr:first-child td {
    border-top: none;
  }

  .company-table tr {
    display: block;
    padding: 1.25rem 0;
    border-bottom: 1px solid #dde3ec;
  }

  .company-table tbody tr:first-child {
    border-top: 1px solid #dde3ec;
  }

  .company-table th {
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    margin-bottom: 0.4rem;
    white-space: normal;
    padding-right: 0;
  }

  .company-table td {
    font-size: 0.9rem;
  }

  footer h2 {
    font-size: 1.5rem;
  }

  .hamburger {
    display: block;
    position: relative;
    z-index: 1100;
    width: 30px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
  }

  .hamburger span {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    transition: var(--transition);
  }

  .hamburger span:nth-child(1) { top: 0; }
  .hamburger span:nth-child(2) { top: 11px; }
  .hamburger span:nth-child(3) { bottom: 0; }

  .header.scrolled .hamburger span,
  .hamburger.is-active span {
    background-color: var(--color-primary);
  }

  .hamburger.is-active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
  }
  .hamburger.is-active span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.is-active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
  }

  .header-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1050;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);

    display: flex;
    align-items: center;
    justify-content: center;
  }

  .header-nav.is-active {
    transform: translateX(0);
  }

  .header-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }

  .header-nav a {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 600;
  }
}