@charset "UTF-8";
/* ==========================================================================
   株式会社TAU コーポレートサイト
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Jost:wght@400;500;600&display=swap');

:root {
  --color-navy: #012253;
  --color-navy-dark: #010f28;
  --color-navy-soft: #1c3d70;
  --color-navy-tint: #eef2f8;
  --color-gold: #29abe2;
  --color-gold-light: #7fd4f5;
  --color-bg: #f6f8fb;
  --color-white: #ffffff;
  --color-text: #2b3542;
  --color-text-soft: #424549;
  --color-border: #dfe4ec;
  --font-jp: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-en: 'Jost', var(--font-jp);
  --max-width: 1160px;
  --radius: 8px;
  --shadow-soft: 0 10px 30px rgba(1, 34, 83, 0.08);
  --shadow-strong: 0 16px 40px rgba(1, 34, 83, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 17px;
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 { margin: 0; font-family: var(--font-jp); color: var(--color-navy); line-height: 1.5; }

p { margin: 0 0 1em; }

.inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.full-bleed {
  width: 100%;
  position: relative;
}

img[data-ai-prompt]:not([src]),
img[data-ai-prompt][src=""] {
  background: linear-gradient(135deg, var(--color-navy-tint), #dfe6f2);
  min-height: 200px;
}

/* ---------- section heading ---------- */
.section {
  padding: 88px 0;
}
.section--tint { background: var(--color-navy-tint); }
.section--grid {
  background-image:
    linear-gradient(to right, rgba(1, 34, 83, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(1, 34, 83, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
  background-position: center top;
}
.section--navy {
  background: linear-gradient(120deg, var(--color-navy) 0%, var(--color-navy-soft) 100%);
  color: #eef1f6;
}
.section--navy h2, .section--navy h3 { color: var(--color-white); }

.heading-group {
  text-align: center;
  margin-bottom: 52px;
}
.heading-en {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.heading-jp {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.heading-lead {
  margin-top: 18px;
  font-size: 17px;
  color: var(--color-text-soft);
}
.section--navy .heading-lead { color: #cdd7e8; }

.heading-bar {
  width: 56px;
  height: 3px;
  background: var(--color-gold);
  margin: 20px auto 0;
  border-radius: 2px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 40px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-gold);
  color: var(--color-white);
}
.btn-primary:hover { background: #1c86b3; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-outline:hover { background: var(--color-white); color: var(--color-navy); }
.btn-navy {
  background: var(--color-navy);
  color: var(--color-white);
}
.btn-navy:hover { background: var(--color-navy-dark); transform: translateY(-2px); }
.btn-block { width: 100%; justify-content: center; }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.btn-wrap { text-align: center; margin-top: 40px; }

/* ==========================================================================
   Header / Global Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 2px 14px rgba(1, 34, 83, 0.08);
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 2px 14px rgba(1, 34, 83, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo { flex-shrink: 0; }
.logo img { height: 96px; width: auto; }

.global-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.global-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  position: relative;
}
.global-nav .nav-ja {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  white-space: nowrap;
}
.global-nav .nav-en {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  text-transform: uppercase;
}
.global-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--color-gold);
  border-radius: 2px;
  transition: all 0.25s ease;
  transform: translateX(-50%);
}
.global-nav a:hover::after,
.global-nav a[aria-current="page"]::after {
  width: 70%;
}
.global-nav a[aria-current="page"] .nav-ja { color: var(--color-gold); }

.header-cta { display: none; }
.header-cta .btn { padding: 13px 30px; font-size: 15px; }

@media (min-width: 901px) {
  .header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    justify-content: normal;
  }
  .global-nav { justify-self: center; }
  .header-cta { display: flex; align-items: center; justify-self: end; }
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border: none;
  background: var(--color-navy);
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-active span:nth-child(2) { opacity: 0; }
.hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Page Title (full bleed)
   ========================================================================== */
.page-title {
  position: relative;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.page-title img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-title::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(1, 23, 58, 0.88), rgba(1, 34, 83, 0.72));
  z-index: 1;
}
.page-title-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--color-white);
  padding: 0 20px;
}
.page-title-en {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.35em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.page-title h1 {
  font-size: clamp(26px, 4vw, 38px);
  color: var(--color-white);
  font-weight: 700;
  letter-spacing: 0.06em;
}
/* ==========================================================================
   Hero (Home)
   ========================================================================== */
.hero {
  position: relative;
  height: min(78vh, 680px);
  min-height: 420px;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(1,23,58,0.55) 0%, rgba(1,34,83,0.72) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  padding: 0 20px;
}
.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-gold-light);
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero-content h1 {
  color: var(--color-white);
  font-size: clamp(26px, 4.6vw, 48px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.04em;
  text-shadow: 0 6px 20px rgba(0,0,0,0.25);
}
.hero-btns {
  margin-top: 40px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ==========================================================================
   Intro / About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.about-media img { height: 100%; object-fit: cover; }
.about-text .heading-en { margin-bottom: 8px; }
.about-text h2 { font-size: clamp(22px, 3vw, 30px); margin-bottom: 22px; }
.about-lead {
  font-weight: 700;
  color: var(--color-navy);
  font-size: 18px;
  margin-bottom: 18px;
}
.about-text p { color: var(--color-text-soft); }

/* ---------- worries / checklist ---------- */
.worry-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 880px;
  margin: 0 auto 40px;
}
.worry-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow-soft);
}
.worry-item .check {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
}
.worry-item .check svg { width: 16px; height: 16px; stroke: var(--color-white); }
.worry-item p { margin: 0; color: var(--color-text); font-size: 16px; }
.worry-note {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-soft);
}

/* ---------- support cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.card-media { height: 190px; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 26px 24px 30px; }
.card-num {
  font-family: var(--font-en);
  color: var(--color-gold);
  font-size: 30px;
  letter-spacing: 0.05em;
  font-weight: 700;
}
.card-body h3 { font-size: 19px; margin: 10px 0 12px; }
.card-body p { color: var(--color-text-soft); font-size: 16px; margin: 0; }

/* ---------- CTA banner (full bleed) ---------- */
.cta-banner {
  position: relative;
  padding: 90px 0;
  text-align: center;
  overflow: hidden;
  color: var(--color-white);
}
.cta-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(1,23,58,0.92), rgba(1,34,83,0.8));
  z-index: 1;
}
.cta-banner .inner { position: relative; z-index: 2; }
.cta-banner h2 { color: var(--color-white); font-size: clamp(22px, 3.2vw, 30px); margin-bottom: 18px; }
.cta-banner p { color: #d6ddea; max-width: 640px; margin: 0 auto 30px; }

/* ---------- news ---------- */
.news-list { max-width: 820px; margin: 0 auto; border-top: 1px solid var(--color-border); }
.news-item {
  display: flex;
  gap: 24px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
  flex-wrap: wrap;
}
.news-date { font-family: var(--font-en); color: var(--color-gold); font-weight: 600; flex-shrink: 0; }
.news-tag {
  flex-shrink: 0;
  background: var(--color-navy-tint);
  color: var(--color-navy);
  font-size: 13px;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
}
.news-item p { margin: 0; color: var(--color-text); }

/* ==========================================================================
   Service page
   ========================================================================== */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.service-item {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.service-media { height: 190px; overflow: hidden; }
.service-media img { width: 100%; height: 100%; object-fit: cover; }
.service-body { padding: 32px; }
.service-item .icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-navy-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.service-item .icon svg { width: 28px; height: 28px; stroke: var(--color-navy); }
.service-item h3 { font-size: 19px; margin-bottom: 12px; }
.service-item p { color: var(--color-text-soft); margin: 0; }

.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split-block.reverse .split-media { order: 2; }
.split-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); }
.split-text h2 { font-size: clamp(22px, 3vw, 28px); margin-bottom: 20px; }
.split-text p { color: var(--color-text-soft); }

/* ---------- flow steps ---------- */
.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 880px;
  margin: 0 auto;
}
.flow-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 26px 0;
}
.flow-num {
  flex-shrink: 0;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.flow-text h3 { font-size: 18px; margin-bottom: 8px; color: var(--color-navy); }
.flow-text p { margin: 0; color: var(--color-text-soft); }
.flow-arrow {
  width: 62px;
  display: flex;
  justify-content: center;
  color: var(--color-gold);
}
.flow-arrow svg { width: 20px; height: 20px; }

/* ==========================================================================
   Company page
   ========================================================================== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.value-item {
  text-align: center;
  padding: 40px 26px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}
.value-item .num {
  font-family: var(--font-en);
  color: var(--color-gold);
  font-size: 34px;
  font-weight: 600;
  margin-bottom: 16px;
}
.value-item h3 { font-size: 18px; margin-bottom: 12px; }
.value-item p { color: var(--color-text-soft); margin: 0; font-size: 16px; }

.ceo-block {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 50px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 44px;
}
.ceo-photo { border-radius: var(--radius); overflow: hidden; }
.ceo-block blockquote {
  margin: 0 0 22px;
  color: var(--color-text-soft);
  font-size: 17px;
}
.ceo-name { text-align: right; }
.ceo-name .role { display: block; color: var(--color-text-soft); font-size: 14px; margin-bottom: 4px; }
.ceo-name .name { font-size: 22px; font-weight: 700; color: var(--color-navy); letter-spacing: 0.08em; }

/* ---------- company table ---------- */
.company-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-white);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius);
  overflow: hidden;
}
.company-table th, .company-table td {
  padding: 20px 28px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 16px;
}
.company-table th {
  width: 240px;
  background: var(--color-navy-tint);
  color: var(--color-navy);
  font-weight: 700;
  vertical-align: top;
}
.company-table tr:last-child th,
.company-table tr:last-child td { border-bottom: none; }
.company-table td ul { margin: 0; }
.company-table td li { position: relative; padding-left: 18px; margin-bottom: 6px; }
.company-table td li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  line-height: 0;
}
.map-frame iframe { width: 100%; height: 420px; border: 0; }

/* ==========================================================================
   Contact page
   ========================================================================== */
.contact-lead { max-width: 760px; margin: 0 auto 50px; text-align: center; color: var(--color-text-soft); }

.form-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 48px;
}
.form-row { margin-bottom: 28px; }
.form-row label {
  display: block;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 10px;
  font-size: 16px;
}
.form-row label .required {
  display: inline-block;
  background: #c0392b;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 8px;
  letter-spacing: 0.05em;
}
.form-row label .optional {
  display: inline-block;
  background: var(--color-navy-tint);
  color: var(--color-navy-soft);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  margin-left: 8px;
}
.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--color-text);
  background: #fbfcfe;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(41,171,226,0.15);
  background: #fff;
}
.form-row textarea { min-height: 160px; resize: vertical; }
.form-agree {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--color-text-soft);
  margin-bottom: 30px;
}
.form-agree input { width: auto; margin-top: 7px; }
.form-agree a { color: var(--color-navy); font-weight: 700; border-bottom: 1px solid var(--color-navy); }

.privacy-box {
  max-width: 880px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: 48px;
}
.privacy-box h3 {
  font-size: 18px;
  margin: 32px 0 12px;
  color: var(--color-navy);
  border-left: 4px solid var(--color-gold);
  padding-left: 14px;
}
.privacy-box h3:first-child { margin-top: 0; }
.privacy-box p { color: var(--color-text-soft); margin: 0 0 8px; }
.privacy-box ul { margin: 0 0 16px; }
.privacy-box li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--color-text-soft);
}
.privacy-box li::before {
  content: "";
  position: absolute;
  left: 0; top: 10px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

#privacy { scroll-margin-top: 140px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-navy-dark);
  color: var(--color-white);
  padding-top: 70px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo img { height: 54px; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-grid address { font-style: normal; font-size: 15px; line-height: 1.9; color: var(--color-white); }
.footer-col h4 {
  color: var(--color-white);
  font-size: 15px;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 15px; color: var(--color-white); }
.footer-col ul a:hover { color: var(--color-gold-light); }
.footer-btn { margin-top: 20px; }
.footer-bottom {
  padding: 26px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Page top button
   ========================================================================== */
.page-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-navy);
  border: none;
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 900;
}
.page-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.page-top:hover { background: var(--color-gold); }
.page-top svg { width: 20px; height: 20px; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .about-grid { gap: 36px; }
  .card-grid { gap: 22px; }
  .value-grid { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .hamburger { display: flex; }
  .global-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--color-navy);
    transform: translateX(100%);
    transition: transform 0.35s ease;
    padding: 100px 20px 40px;
    overflow-y: auto;
  }
  .global-nav.is-open { transform: translateX(0); }
  .global-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .global-nav a {
    align-items: flex-start;
    flex-direction: row;
    justify-content: space-between;
    padding: 16px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }
  .global-nav a::after { display: none; }
  .global-nav a[aria-current="page"] .nav-ja,
  .global-nav a[aria-current="page"] .nav-en { color: var(--color-gold-light); }
  .global-nav .nav-ja { color: var(--color-white); font-size: 16px; }
  .global-nav .nav-en { color: #93a3c2; }
  .nav-overlay {
    position: fixed; inset: 0; background: rgba(1,15,40,0.5);
    opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 999;
  }
  .nav-overlay.is-open { opacity: 1; visibility: visible; }

  .about-grid,
  .split-block, .split-block.reverse {
    grid-template-columns: 1fr;
  }
  .split-block .split-media, .split-block.reverse .split-media { order: 0; }
  .about-media { order: -1; }

  .card-grid { grid-template-columns: 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .worry-list { grid-template-columns: 1fr; }

  .ceo-block { grid-template-columns: 1fr; padding: 30px; }
  .ceo-name { text-align: left; }

  .company-table th { width: 150px; padding: 16px; font-size: 15px; }
  .company-table td { padding: 16px; font-size: 15px; }

  .flow-step { gap: 18px; }
  .flow-num { width: 50px; height: 50px; font-size: 19px; }
}

@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .header-inner { padding: 10px 16px; }
  .logo img { height: 70px; }
  #privacy { scroll-margin-top: 110px; }
  .hero-content h1 { line-height: 1.7; }
  .hero-btns { flex-direction: column; width: 100%; }
  .hero-btns .btn { width: 100%; }
  .page-title { height: 200px; }
  .form-wrap, .privacy-box { padding: 28px 20px; }
  .ceo-block { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .page-top { right: 16px; bottom: 16px; width: 46px; height: 46px; }
}