@charset "UTF-8";

/* =====================================================================
   株式会社ソーレブレイン コーポレートサイト
   デザイントーン: 映心動 (TCD ISSUE 系) を参考
   ===================================================================== */

:root {
  --color-main: #1f2026;
  --color-dark: #0f1014;
  --color-light: #4b4c52;
  --color-lighter: #7a7b80;
  --color-accent: #b89253;          /* コーポレートゴールド（3事業部の統合ブランド感） */
  --color-accent-dark: #8f7038;
  --color-link: #1578d6;
  --color-bg: #f6f5f1;              /* 温かみのあるオフホワイト */
  --color-bg-dark: #17181d;
  --color-white: #ffffff;
  --color-border: #e4e1d8;
  --color-text: #1f2026;
  --color-text-light: #6b6c71;

  --font-family: "Noto Serif JP", "游明朝", "Yu Mincho", "ヒラギノ明朝 ProN", "Hiragino Mincho ProN", serif;
  --font-sans: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "游ゴシック", "Yu Gothic", sans-serif;
  --font-en: "Cormorant Garamond", "Times New Roman", serif;

  --header-height: 84px;
  --section-padding: 120px;
  --section-padding-mobile: 72px;
  --content-width: 1200px;
  --content-narrow: 960px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.4s ease;
  --transition-slow: 0.8s ease;
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text);
  background: var(--color-bg);
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-accent); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 400; letter-spacing: 0.08em; }
p { margin: 0 0 1em; }

.content-width {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}
.content-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- お知らせバー ---------- */
.notice-bar {
  position: relative;
  background: var(--color-bg-dark);
  color: #fff;
  padding: 14px 56px 14px 24px;
  font-size: 13px;
  text-align: center;
  letter-spacing: 0.08em;
  z-index: 1100;
}
.notice-bar__inner { max-width: 1000px; margin: 0 auto; line-height: 1.8; }
.notice-bar__label {
  display: inline-block;
  padding: 2px 10px;
  margin-right: 12px;
  background: var(--color-accent);
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.12em;
  border-radius: 2px;
}
.notice-bar a { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.notice-bar a:hover { color: var(--color-accent); }
.notice-bar__close {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  width: 26px; height: 26px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}
.notice-bar__close:hover { background: var(--color-accent); border-color: var(--color-accent); }

/* ---------- header ---------- */
#header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(246, 245, 241, 0.96);
  backdrop-filter: saturate(1.1) blur(6px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}
.site-logo {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--color-main);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.site-logo strong {
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.2em;
}
.site-logo small {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-light);
  font-family: var(--font-sans);
}
.gnav { display: flex; align-items: center; gap: 36px; }
.gnav a {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--color-main);
  position: relative;
  padding: 4px 0;
}
.gnav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.gnav a:hover::after,
.gnav a.is-active::after { transform: scaleX(1); }

.gnav a.gnav__cta {
  padding: 10px 26px;
  background: var(--color-main);
  color: #fff !important;
  font-size: 12px;
  letter-spacing: 0.14em;
  border: 1px solid var(--color-main);
  transition: var(--transition-base);
}
.gnav__cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff !important;
}
.gnav__cta::after { display: none; }

/* drawer (mobile) */
.drawer-btn {
  display: none;
  width: 36px; height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.drawer-btn span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--color-main);
  position: absolute;
  left: 6px;
  transition: var(--transition-base);
}
.drawer-btn span:nth-child(1) { top: 11px; }
.drawer-btn span:nth-child(2) { top: 17px; }
.drawer-btn span:nth-child(3) { top: 23px; }
body.drawer-open .drawer-btn span:nth-child(1) { transform: rotate(45deg); top: 17px; }
body.drawer-open .drawer-btn span:nth-child(2) { opacity: 0; }
body.drawer-open .drawer-btn span:nth-child(3) { transform: rotate(-45deg); top: 17px; }

.drawer {
  position: fixed;
  top: 0; right: 0;
  width: 300px;
  height: 100vh;
  background: var(--color-bg-dark);
  color: #fff;
  padding: 120px 40px 40px;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  z-index: 2000;
  overflow-y: auto;
}
body.drawer-open .drawer { transform: translateX(0); }
.drawer ul { display: flex; flex-direction: column; gap: 20px; }
.drawer a { color: #fff; font-size: 15px; letter-spacing: 0.14em; }
.drawer a:hover { color: var(--color-accent); }
.drawer__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 1500;
}
body.drawer-open .drawer__overlay { opacity: 1; pointer-events: auto; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  height: calc(100vh - var(--header-height) - 48px);
  min-height: 560px;
  max-height: 820px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #14151a 0%, #2a2b33 45%, #463b26 100%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(184,146,83,0.22) 0%, transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(255,255,255,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.015) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.015) 0 1px, transparent 1px 80px);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 32px;
  max-width: 960px;
  animation: fadeUp 1.4s ease 0.2s both;
}
.hero__eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.36em;
  color: var(--color-accent);
  margin-bottom: 32px;
}
.hero__eyebrow::before,
.hero__eyebrow::after {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--color-accent);
  vertical-align: middle;
  margin: 0 14px;
}
.hero__title {
  font-family: var(--font-family);
  font-size: clamp(34px, 5.6vw, 62px);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1.5;
  margin-bottom: 28px;
}
.hero__title .en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(14px, 1.3vw, 18px);
  letter-spacing: 0.4em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.hero__lead {
  font-size: 15px;
  line-height: 2.1;
  color: rgba(255,255,255,0.85);
  max-width: 720px;
  margin: 0 auto 44px;
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 42px;
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.18em;
  transition: var(--transition-base);
}
.hero__cta:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.hero__cta .arrow {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: currentColor;
  position: relative;
}
.hero__cta .arrow::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- section common ---------- */
section {
  padding: var(--section-padding) 0;
}
.section-heading {
  text-align: center;
  margin-bottom: 72px;
}
.section-heading__en {
  display: block;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-heading__jp {
  font-family: var(--font-family);
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: 0.16em;
  color: var(--color-main);
}
.section-heading__desc {
  margin-top: 24px;
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-text-light);
}

/* ---------- message ---------- */
.message {
  background: #fff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.message__body {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  padding: 0 32px;
}
.message__body p {
  font-family: var(--font-family);
  font-size: 17px;
  line-height: 2.3;
  color: var(--color-main);
  letter-spacing: 0.1em;
}
.message__sign {
  margin-top: 40px;
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.12em;
}
.message__sign strong {
  display: block;
  margin-top: 6px;
  font-family: var(--font-family);
  font-size: 18px;
  color: var(--color-main);
  letter-spacing: 0.18em;
}

/* ---------- business divisions ---------- */
.divisions {
  background: var(--color-bg);
}
.divisions__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}
.division-card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 56px 40px 48px;
  text-align: left;
  position: relative;
  transition: var(--transition-base);
  overflow: hidden;
}
.division-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 3px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}
.division-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px -24px rgba(30, 30, 40, 0.2);
}
.division-card:hover::before { transform: scaleX(1); }
.division-card__num {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 18px;
}
.division-card__name {
  font-family: var(--font-en);
  font-size: 30px;
  letter-spacing: 0.08em;
  color: var(--color-main);
  line-height: 1.2;
  margin-bottom: 8px;
}
.division-card__name-jp {
  font-family: var(--font-family);
  font-size: 13px;
  color: var(--color-text-light);
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 24px;
}
.division-card__tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 10px;
  background: #f0ede3;
  color: var(--color-accent-dark);
  letter-spacing: 0.14em;
  margin-bottom: 18px;
}
.division-card__desc {
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 28px;
}
.division-card__link {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--color-main);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.division-card__link::after {
  content: "→";
  transition: transform var(--transition-base);
}
.division-card:hover .division-card__link::after { transform: translateX(4px); }

/* ---------- about summary ---------- */
.about-sum {
  background: #fff;
}
.about-sum__inner {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}
.about-sum__visual {
  aspect-ratio: 4 / 5;
  position: relative;
  overflow: hidden;
}
.about-sum__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-sum__content h3 {
  font-family: var(--font-family);
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: 0.16em;
  margin-bottom: 32px;
  line-height: 1.7;
}
.about-sum__content p {
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-text-light);
  margin-bottom: 1.2em;
}
.about-sum__btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
  padding: 14px 34px;
  background: var(--color-main);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.18em;
  transition: var(--transition-base);
}
.about-sum__btn:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ---------- footer CTA ---------- */
.footer-cta {
  background:
    linear-gradient(rgba(15,16,20,0.82), rgba(15,16,20,0.82)),
    linear-gradient(135deg, #2a2b33, #463b26);
  color: #fff;
  text-align: center;
  padding: 110px 0;
}
.footer-cta h2 {
  font-family: var(--font-family);
  font-size: clamp(26px, 3vw, 38px);
  letter-spacing: 0.16em;
  margin-bottom: 24px;
}
.footer-cta p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
}
.footer-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 48px;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.2em;
  border: 1px solid var(--color-accent);
  transition: var(--transition-base);
}
.footer-cta__btn:hover {
  background: transparent;
  color: #fff;
}

/* ---------- footer ---------- */
#footer {
  background: var(--color-bg-dark);
  color: #c8c8cc;
  padding: 80px 0 40px;
  font-size: 13px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 60px;
  max-width: var(--content-width);
  margin: 0 auto 60px;
  padding: 0 32px;
}
.footer-brand .site-logo { color: #fff; }
.footer-brand .site-logo strong { color: #fff; }
.footer-brand p { margin-top: 18px; color: rgba(255,255,255,0.6); line-height: 1.9; font-size: 12px; }
.footer-nav h4 {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--color-accent);
  margin-bottom: 18px;
}
.footer-nav ul { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: rgba(255,255,255,0.78); font-size: 12px; letter-spacing: 0.1em; }
.footer-nav a:hover { color: var(--color-accent); }
.footer-copy {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px 32px 0;
  text-align: center;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.45);
}

/* ---------- page header ---------- */
.page-header {
  position: relative;
  padding: 120px 0 100px;
  text-align: center;
  background: linear-gradient(135deg, #17181d 0%, #2a2a33 55%, #3b321e 100%);
  color: #fff;
  overflow: hidden;
}
.page-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.014) 0 1px, transparent 1px 80px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.014) 0 1px, transparent 1px 80px);
  pointer-events: none;
}
.page-header__en {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 16px;
  position: relative;
}
.page-header__jp {
  font-family: var(--font-family);
  font-size: clamp(28px, 3.4vw, 44px);
  letter-spacing: 0.18em;
  position: relative;
}

/* ---------- article content ---------- */
.content-block {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
}
.content-block h3 {
  font-family: var(--font-family);
  font-size: 22px;
  letter-spacing: 0.14em;
  margin: 60px 0 24px;
  padding-left: 18px;
  border-left: 3px solid var(--color-accent);
}
.content-block p {
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-text);
}

/* ---------- company table ---------- */
.company-table {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  border-collapse: collapse;
}
.company-table th,
.company-table td {
  text-align: left;
  padding: 22px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  line-height: 1.9;
}
.company-table th {
  width: 200px;
  font-weight: 400;
  color: var(--color-accent-dark);
  letter-spacing: 0.12em;
  font-family: var(--font-family);
}
.company-table td strong {
  font-weight: 500;
  color: var(--color-main);
}
.company-table td small {
  display: block;
  color: var(--color-text-light);
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.notice-inline {
  max-width: 860px;
  margin: 40px auto 0;
  padding: 22px 28px;
  border: 1px solid var(--color-accent);
  background: #fffaf0;
  color: var(--color-accent-dark);
  font-size: 13px;
  line-height: 1.9;
}
.notice-inline strong {
  display: block;
  font-family: var(--font-family);
  font-size: 14px;
  margin-bottom: 6px;
  letter-spacing: 0.12em;
}

/* ---------- contact form ---------- */
.contact-section {
  background: #fff;
}
.contact-intro {
  text-align: center;
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-text-light);
  margin-bottom: 56px;
}
.form-field {
  margin-bottom: 32px;
}
.form-field label {
  display: block;
  font-family: var(--font-family);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--color-main);
  margin-bottom: 10px;
}
.form-required {
  display: inline-block;
  padding: 1px 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  letter-spacing: 0.14em;
  border-radius: 2px;
  vertical-align: middle;
  margin-left: 6px;
  font-family: var(--font-sans);
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-main);
  line-height: 1.6;
  transition: border-color var(--transition-fast);
  appearance: none;
  border-radius: 0;
}
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a7b80' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.form-field textarea {
  resize: vertical;
  min-height: 160px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: #bbb;
}
.form-submit {
  text-align: center;
  margin-top: 48px;
}
.form-submit__btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 56px;
  background: var(--color-main);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.18em;
  border: 1px solid var(--color-main);
  cursor: pointer;
  transition: var(--transition-base);
}
.form-submit__btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.form-submit__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.form-submit__btn .arrow {
  display: inline-block;
  width: 24px;
  height: 1px;
  background: currentColor;
  position: relative;
}
.form-submit__btn .arrow::after {
  content: "";
  position: absolute;
  right: 0; top: -3px;
  width: 7px; height: 7px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}
.form-note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--color-text-light);
}
.contact-done__inner {
  text-align: center;
  padding: 80px 20px;
}
.contact-done__inner h3 {
  font-family: var(--font-family);
  font-size: 28px;
  letter-spacing: 0.14em;
  color: var(--color-main);
  margin-bottom: 24px;
}
.contact-done__inner p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 40px;
}

/* ---------- business detail sections ---------- */
.division-section {
  padding: 120px 0;
  border-bottom: 1px solid var(--color-border);
  background: #fff;
}
.division-section:nth-of-type(even) {
  background: var(--color-bg);
}
.division-section__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 32px;
}
.division-section__visual {
  aspect-ratio: 1 / 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-en);
  overflow: hidden;
}
.division-section__visual.jg {
  background: #fff;
}
.division-section__visual.es {
  background: linear-gradient(135deg, #17181d 0%, #3a3a40 100%);
}
.division-section__visual.ks {
  background: #0B1A2E;
}
.division-section__logo-text {
  font-size: clamp(30px, 4vw, 54px);
  letter-spacing: 0.1em;
}
.division-section__logo-img {
  max-width: 82%;
  max-height: 62%;
  object-fit: contain;
  position: relative;
  z-index: 1;
}
.division-section__logo-img--sm {
  max-width: 58%;
  max-height: 44%;
}
.division-section__visual--cover {
  padding: 0;
}
.division-section__cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.division-section__visual small {
  position: absolute;
  bottom: 24px;
  left: 24px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(255,255,255,0.65);
  z-index: 1;
}
.division-section__content h3 {
  font-family: var(--font-family);
  font-size: clamp(22px, 2.4vw, 30px);
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}
.division-section__en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: block;
}
.division-section__content p {
  font-size: 14px;
  line-height: 2.1;
  color: var(--color-text-light);
}
.division-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 32px;
}
.division-section__link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding: 12px 28px;
  background: var(--color-main);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.16em;
  transition: var(--transition-base);
}
.division-section__link:hover {
  background: var(--color-accent);
  color: #fff;
}
.division-section__tags span {
  display: inline-block;
  padding: 6px 12px;
  background: #f0ede3;
  color: var(--color-accent-dark);
  font-size: 11px;
  letter-spacing: 0.12em;
}

/* ---------- fade in ---------- */
[data-inview] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
[data-inview].is-inview {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  :root {
    --header-height: 68px;
    --section-padding: 72px;
  }
  .gnav { display: none; }
  .drawer-btn { display: block; }
  .divisions__grid { grid-template-columns: 1fr; gap: 28px; }
  .about-sum__inner,
  .division-section__inner { grid-template-columns: 1fr; gap: 40px; }
  .about-sum__visual { aspect-ratio: 16/10; max-width: 520px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { height: auto; padding: 100px 0 120px; min-height: auto; max-height: none; }
  .notice-bar { text-align: left; padding: 14px 48px 14px 16px; font-size: 12px; }
  .notice-bar__label { display: block; margin: 0 0 6px; }
  .company-table th { width: 120px; font-size: 12px; }
  .company-table td { font-size: 13px; }
  .division-section { padding: 72px 0; }
}

@media (max-width: 560px) {
  .content-width, .content-narrow { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  .site-logo { font-size: 22px; gap: 6px; }
  .site-logo strong { font-size: 17px; }
  .site-logo small { display: none; }
  .section-heading { margin-bottom: 48px; }
  .division-card { padding: 40px 28px; }
  .footer-cta { padding: 72px 0; }
}