/* ==============================
   ベーススタイル
============================== */
body {
  margin: 0;
  line-height: 1.6;
  color: #222;
  background-color: #f5f5f5;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
/*
a {
  color: inherit;
  text-decoration: none;
}
*/
/* コンテナ共通 */
.section-inner, .hero__inner, .intro__inner, .features__inner, .usecases__inner, .cta__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  font-family: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
}
/* ==============================
   ヘッダー
============================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: #fff;
  border-bottom: 1px solid #e0e0e0;
}
.site-header__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo {
  font-size: 1.1em;
  font-weight: 700;
}
/* 左ロゴ */
.site-header__logo-left img {
  height: 32px;
  width: auto;
}
.site-header__right {
  display: flex;
  align-items: center;
  gap: 16px; /* 言語とDICロゴの間 */
}
/* 右ロゴ（DIC株式会社） */
.site-header__logo-right img {
  height: 14px;
  width: auto;
}
/* 言語切り替え */
.site-header__lang {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75em;
}
.site-header__lang a {
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: rgba(0, 0, 0, 0.4);
  text-decoration: none;
}
/* 現在の言語 */
.site-header__lang a.is-active {
  color: #000;
  font-weight: 600;
}
/* ==============================
   ヒーロー
============================== */
.hero {
  position: relative;
  padding: 72px 0 80px;
  color: #fff;
  background-image: url("../assets/img/hero-bg-pc.webp"); /* PC用画像 */
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
}
/* オーバーレイ */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
}
.hero__inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero__text {
  max-width: 880px;
}
.hero__eyebrow {
  margin: 0 0 8px;
  font-size: 2.2em;
}
.hero__title {
  margin: 0 0 16px;
  font-size: 2.1em;
  font-weight: 700;
}
.hero__lead {
  margin: 0 0 24px;
  font-size: 0.9em;
}
.hero__button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 200px;
  padding: 10px 28px;
  font-size: 0.85em;
  border-radius: 30px;
  background-color: #000;
  color: #fff;
}
.hero__button::after {
  transform: rotate(45deg);
  width: 5px;
  height: 5px;
  margin-left: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  content: '';
}
.hero__button:hover, .hero__button:focus-visible {
  background-color: #003f9e;
}
/* ==============================
   製品説明・見出し
============================== */
.intro {
  padding: 12px 0 0;
}
.intro__inner {
  text-align: center;
  padding: 44px 0;
}
.intro__text {
  margin: 0 auto 44px;
  padding: 0 10px;
  max-width: 820px;
  font-size: 0.9em;
}
.intro__heading {
  margin: 8px 0 0;
  font-size: 1.6em;
}
/* ==============================
   選ばれる理由のカード
============================== */
.features {
  padding: 24px 0 72px;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px 20px;
}
/* 背景画像カード用のベース */
.feature-card {
  display: flex;
  position: relative;
  overflow: hidden;
  padding: 50px 18px 20px;
  border-radius: 3px;
  min-height: 170px;
  color: #fff;
  font-size: 0.8em;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  flex-direction: column;
  justify-content: center;
}
/* 明るい背景画像用に濃いめオーバーレイ */
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}
.feature-card__title, .feature-card__text {
  position: relative;
}
.feature-card__title {
  margin: 0 0 6px;
  font-size: 1.8em;
  line-height: 1.5;
}
.feature-card__text {
  margin: 0;
  font-size: 1.2em;
  line-height: 1.6;
}
/* カードごとの背景画像 */
.feature-card--1 {
  background-image: url("../assets/img/feature-card-01.webp");
}
.feature-card--2 {
  background-image: url("../assets/img/feature-card-02.webp");
}
.feature-card--3 {
  background-image: url("../assets/img/feature-card-03.webp");
}
.feature-card--4 {
  background-image: url("../assets/img/feature-card-04.webp");
}
.feature-card--5 {
  background-image: url("../assets/img/feature-card-05.webp");
}
.feature-card--6 {
  background-image: url("../assets/img/feature-card-06.webp");
}
/* ==============================
   産業別の可能性
============================== */
.usecases {
  padding: 72px 0 80px;
}
.usecases__inner {
  text-align: center;
}
.usecases__eyebrow {
  font-size: 1em;
  margin: 0 0 8px;
  color: #666;
}
.usecases__title {
  margin: 0 0 12px;
  font-size: 1.6em;
}
.usecases__lead {
  margin: 0 auto 36px;
  max-width: 720px;
  font-size: 1em;
  color: #000;
}
.usecases__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: flex-start;
}
.usecase-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 1em;
}
.image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e7e7e7;
  border-radius: 4px;
}
.image-placeholder--medium {
  width: 220px;
  height: 140px;
}
.image-placeholder__icon {
  font-size: 2em;
  opacity: 0.55;
}
.usecase-card__image {
  margin-bottom: 14px;
}
.usecase-card__title {
  margin: 0 0 6px;
  font-size: 1.2em;
}
.usecase-card__text {
  margin: 0;
  max-width: 260px;
  font-size: 0.9em;
  color: #555;
}
/* ==============================
   レスポンシブ
============================== */
@media (max-width: 960px) {
  .features__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .usecases__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .image-placeholder--medium {
    width: 260px;
    height: 150px;
  }
}
@media (max-width: 720px) {
  .site-header__logo-left img {
    height: 16px; /* 小さくする場合の推奨値 */
  }
  .site-header__logo-right img {
    height: 14px;
  }
  .site-header__nav-mobile.is-open {
    display: block;
  }
  .hero {
    padding-top: 56px;
    padding-bottom: 64px;
    background-image: url("../assets/img/hero-bg-sp.webp"); /* SP用画像 */
  }
  .hero__eyebrow {
    font-size: 1.8em;
  }
  .features__grid {
    grid-template-columns: 1fr;
  }
  .usecases__grid {
    grid-template-columns: 1fr;
  }
	.cta__button {
		width: 90%;
	}
}
/* ==============================
   ロゴ画像（SVG）のスタイル
============================== */
.site-header__logo img {
  height: 28px;
  width: auto;
  display: block;
}
/* ヒーローのロゴ */
.hero__logo {
  height: 62px;
  width: auto;
  display: block;
}
/* 見出し内ロゴ */
.intro__logo, .usecases__logo {
  height: 38px;
  width: auto;
  vertical-align: middle;
}
/* 見出し内でロゴとテキストを横並びにする */
.intro__heading--with-logo, .usecases__title--with-logo {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
	color: #000;
}
/* usecases 見出しの改行とロゴが縦方向にきれいに見えるよう調整 */
.usecases__title--with-logo {
  flex-direction: row;
}
/* ==============================
   CTA（お問い合わせ誘導）
============================== */
.cta {
  padding: 72px 0;
  background-color: #ffffff;
  text-align: center;
}
.cta__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta__text {
  font-size: 1.4em;
  font-weight: 600;
  margin: 0 0 24px;
  color: #222;
}
.cta__button {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 330px;
  margin: 0 auto;
  padding: 14px 40px;
  font-size: 1em;
  font-weight: 600;
  border-radius: 30px;
  background-color: #000;
  color: #fff;
  transition: background-color 0.25s ease;
}
.cta__button::after {
  transform: rotate(45deg);
  width: 5px;
  height: 5px;
  margin-left: 10px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  content: '';
}
.cta__button:hover, .cta__button:focus-visible {
  background-color: #003f9e;
}