@charset "UTF-8";

/* =========================================================
   service.css — 事業内容ページ専用
   ========================================================= */

:root {
  --ff-serif-jp: "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", serif;
}

/* =========================================================
   Page Hero
   ========================================================= */
.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(360px, 28vw, 460px);
  padding-top: clamp(80px, 7vw, 110px);
  padding-bottom: clamp(20px, 3vw, 40px);
  overflow: hidden;
  background: #fff;
}
.page-hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.page-hero__inner {
  position: relative;
  z-index: 1;
}
.page-hero__crumb {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(12px, 0.95vw, 14px);
  color: var(--c-muted);
  letter-spacing: 0.08em;
  margin-bottom: clamp(16px, 2.2vw, 32px);
}
.page-hero__crumb a:hover { color: var(--c-green); }
.page-hero__title {
  font-family: var(--ff-en);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(38px, 4.5vw, 66px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--c-green);
  margin: 0;
}
.page-hero__sub {
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(15px, 1.4vw, 18px);
  letter-spacing: 0.18em;
  color: var(--c-text);
  margin-top: clamp(16px, 1.6vw, 22px);
}

/* =========================================================
   Intro section (社会実装型研究会社として、...)
   ========================================================= */
.biz-intro {
  padding-block: clamp(60px, 7vw, 110px);
}
.biz-intro__head {
  text-align: center;
  max-width: 880px;
  margin: 0 auto clamp(48px, 5vw, 80px);
}
.biz-intro__title {
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(22px, 2.8vw, 36px);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--c-green);
}
.biz-intro__lead {
  margin-top: clamp(20px, 2.4vw, 32px);
  display: flex;
  justify-content: center;
}
.biz-intro__lead span {
  display: inline-block;
  background: var(--c-green);
  color: #fff;
  padding: clamp(8px, 1vw, 14px) clamp(20px, 2.4vw, 36px);
  font-size: clamp(12px, 1vw, 14px);
  font-weight: 500;
  letter-spacing: 0.08em;
  border-radius: 2px;
}
.biz-intro__body {
  display: grid;
  grid-template-columns: minmax(280px, 480px) 1fr;
  gap: clamp(28px, 4vw, 80px);
  align-items: center;
}
.biz-intro__text p {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.04em;
}
.biz-intro__text p + p { margin-top: 1.2em; }

.biz-intro__venn img {
  width: 100%;
  height: auto;
  max-width: 485px;
}

/* =========================================================
   STRENGTHS
   ========================================================= */
.biz-strengths {
  position: relative;
  color: #fff;
  background:
    linear-gradient(rgba(42, 69, 55, 0.84), rgba(42, 69, 55, 0.84)),
    url("../img/rd-bg-pattern.webp") center/cover no-repeat;
  padding-block: clamp(70px, 9vw, 130px);
}
.biz-strengths__head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(32px, 4vw, 52px);
}
.biz-strengths__title {
  font-family: var(--ff-en);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 72px);
  letter-spacing: 0.06em;
  line-height: 1;
  color: #fff;
  margin: 0;
}
.biz-strengths__rule {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: rgba(255, 255, 255, 0.55);
  margin: 6px 0 2px;
}
.biz-strengths__sub {
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.9);
}

.strength-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 28px);
  justify-items: center;
}
.strength-card {
  position: relative;
  width: 100%;
  max-width: 240px;
  background: #fff;
  color: var(--c-text);
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  transition: transform .3s var(--ease);
}
.strength-card::before { /* 正円を全ブラウザで保証: aspect-ratio非依存 */
  content: "";
  display: block;
  padding-top: 100%;
}
.strength-card__inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: clamp(14px, 3.4vw, 28px);
  gap: 4px;
}
.strength-card:hover { transform: translateY(-4px); }
.strength-card__num {
  font-family: var(--ff-en);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(20px, 5vw, 36px);
  color: var(--c-green);
  line-height: 1;
}
.strength-card__label {
  font-weight: 700;
  font-size: clamp(15px, 5.2vw, 20px);
  letter-spacing: 0.06em;
  margin: 0;
  color: var(--c-green);
}
.strength-card__body {
  font-size: clamp(13px, 0.85vw, 12.5px);
  line-height: 1.7;
  color: var(--c-muted);
  letter-spacing: 0.02em;
}

/* =========================================================
   BUSINESS AREA — numbered rows with side image
   ========================================================= */
.biz-area {
  background-color: #fff;
  background-image:
    linear-gradient(to right, rgba(68, 106, 86, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(68, 106, 86, 0.06) 1px, transparent 1px);
  background-size: 18px 18px;
  padding-block: clamp(80px, 10vw, 140px);
}
.biz-area__head {
  margin-bottom: clamp(60px, 7vw, 100px);
}
.biz-area__title {
  font-family: var(--ff-en);
  font-weight: 700;
  font-size: clamp(44px, 5.6vw, 80px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--c-green);
  margin: 0;
}
.biz-area__sub {
  margin-top: clamp(14px, 1.4vw, 22px);
  font-weight: 700;
  font-size: clamp(14px, 1.2vw, 16px);
  letter-spacing: 0.18em;
  color: var(--c-text);
}
.biz-area__lead {
  margin-top: clamp(28px, 3vw, 44px);
  font-family: var(--ff-jp);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--c-green);
}

.biz-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(28px, 4vw, 80px);
  align-items: start;
  padding-block: clamp(32px, 3.5vw, 56px);
}
.biz-row__num {
  display: block;
  font-family: var(--ff-en);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(56px, 7vw, 96px);
  color: var(--c-green);
  line-height: 1;
  margin-bottom: clamp(12px, 1.4vw, 20px);
}
.biz-row__en {
  font-family: var(--ff-en-body);
  color: var(--c-green);
  font-size: clamp(12px, 1vw, 14px);
  letter-spacing: 0.14em;
  text-transform: capitalize;
  margin-bottom: 6px;
}
.biz-row__title {
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 32px);
  letter-spacing: 0.06em;
  color: var(--c-text);
  margin: 0 0 clamp(18px, 2vw, 26px);
}
.biz-row__desc {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.03em;
}
.biz-row__tags {
  margin-top: clamp(28px, 3vw, 40px);
}
.biz-row__tags-label {
  font-weight: 700;
  font-size: clamp(18px, 1.2vw, 16px);
  letter-spacing: 0.1em;
  color: var(--c-text);
  margin: 0 0 14px;
  padding-bottom: clamp(10px, 1.2vw, 16px);
  border-bottom: 2px solid var(--c-green);
}
.biz-row__tags ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 18px;
  font-size: clamp(14px, 0.95vw, 14px);
  letter-spacing: 0.04em;
  color: var(--c-text);
}
.biz-row__tags li::before {
  content: "■";
  color: var(--c-green);
  margin-right: 8px;
  font-size: 0.7em;
}
.biz-row__close {
  margin-top: clamp(20px, 2.2vw, 30px);
  font-size: clamp(12px, 0.95vw, 14px);
  color: #2f2f2d;
  letter-spacing: 0.03em;
  line-height: 1.9;
}
.biz-row__media {
  position: relative;
}
.biz-row__media img {
  width: 100%;
  height: auto;
  clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 77%);
}

/* =========================================================
   PRODUCTS
   ========================================================= */
.biz-products {
  padding-block: clamp(80px, 10vw, 140px);
}
.biz-products__head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(48px, 6vw, 80px);
}
.biz-products__title {
  font-family: var(--ff-en);
  font-weight: 700;
  font-size: clamp(44px, 5.6vw, 80px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--c-green);
  margin: 0;
}
.biz-products__rule {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: rgba(68, 106, 86, 0.5);
  margin: 6px 0 2px;
}
.biz-products__sub {
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 2.4vw, 36px);
}
.product-card {
  background: #fff;
  color: var(--c-text);
  border-radius: clamp(8px, 1vw, 14px);
  padding: clamp(20px, 2vw, 28px);
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.4vw, 20px);
  box-shadow: 0 10px 30px rgba(26, 58, 92, 0.06);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-card-hover);
  opacity: 1;
}
.product-card__media {
  display: grid;
  place-items: center;
  padding: clamp(8px, 1vw, 16px);
}
.product-card__media img {
  width: 100%;
  height: auto;
  max-width: 300px;
}
.product-card__title {
  font-weight: 700;
  font-size: clamp(17px, 1.5vw, 20px);
  letter-spacing: 0.05em;
  color: var(--c-text);
  margin: 0;
}
.product-card__body {
  font-size: 16px;
  line-height: 1.9;
  color: #2f2f2d;
  letter-spacing: 0.03em;
  flex: 1;
}

.biz-products__more {
  margin-top: clamp(48px, 6vw, 72px);
  display: flex;
  justify-content: center;
}

/* =========================================================
   RESEARCH & DEVELOPMENT (light photo bg)
   ========================================================= */
.biz-rd {
  position: relative;
  color: var(--c-text);
  padding-block: clamp(70px, 9vw, 130px);
  overflow: hidden;
  background: #fff;
}
.biz-rd__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.biz-rd__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.biz-rd__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.biz-rd__eyebrow {
  font-family: var(--ff-en);
  font-weight: 700;
  font-size: clamp(12px, 1vw, 14px);
  letter-spacing: 0.24em;
  color: var(--c-green);
}
.biz-rd__rule {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: rgba(68, 106, 86, 0.5);
  margin: 4px 0 6px;
}
.biz-rd__title {
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: 0.1em;
  margin: 0 0 clamp(20px, 2.4vw, 32px);
  color: var(--c-text);
}
.biz-rd__lead {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.04em;
  max-width: 700px;
}
.biz-rd__btn { margin-top: clamp(28px, 3vw, 44px); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .strength-cards { grid-template-columns: repeat(2, 1fr); max-width: 540px; margin-inline: auto; }
  .product-cards { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}
@media (max-width: 768px) {
  .biz-intro__body { grid-template-columns: 1fr; }
  .biz-intro__venn { margin-inline: auto; }
  .biz-row { grid-template-columns: 1fr; gap: 28px; }
  .biz-row__media img { clip-path: none; border-radius: clamp(8px, 1.5vw, 14px); }
  .biz-row__tags ul { grid-template-columns: 1fr; }
  .page-hero__media { width: 100%; opacity: 1; } /* SP下層ヒーローは写真を全幅に（後続指示） */
}
@media (max-width: 540px) {
  .strength-cards { grid-template-columns: 1fr; max-width: 280px; }
}

/* =========================================================
 * トップ NEWS バー（ヒーロー直下）
 * ========================================================= */
.news-bar {
  background: #fff;
  border-bottom: 1px solid var(--c-border, #e6e6e4);
}
.news-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.4vw, 40px);
  padding-block: clamp(15px, 1.8vw, 22px);
}
.news-bar__label {
  flex: 0 0 auto;
  font-family: var(--ff-en);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: #c44649;
}
.news-bar__body {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 2vw, 32px);
  color: var(--c-text, #2f2f2d);
  transition: color .25s;
}
.news-bar__body:hover { color: var(--c-green); opacity: 1; }
.news-bar__date {
  flex: 0 0 auto;
  font-family: var(--ff-en-body);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-text-soft, #55554f);
}
.news-bar__title {
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-bar__more {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 22px;
  border: 1px solid var(--c-text, #2f2f2d);
  border-radius: 999px;
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-text, #2f2f2d);
  transition: background .25s, color .25s;
}
.news-bar__more:hover { background: var(--c-text, #2f2f2d); color: #fff; opacity: 1; }
@media (max-width: 720px) {
  .news-bar__inner { flex-wrap: wrap; gap: 10px 16px; }
  .news-bar__body { order: 3; flex-basis: 100%; white-space: normal; }
  .news-bar__title { white-space: normal; }
  .news-bar__more { margin-left: auto; }
}


/* == websupport 2026-07-22 batch (#5854/5856/5857/5862-3/5866/5867/5869/5872) == */
/* #5857 事業領域の説明文を少し太く（500） */
.biz-area .biz-row__desc { font-weight: 500; }

/* == 2026-08-20 トップ NEWS を最新3件の縦並びに（ITL 小宮さま依頼） == */
.news-bar__inner { align-items: flex-start; }
.news-bar__label { padding-top: 3px; }
.news-bar__list {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}
.news-bar__item + .news-bar__item {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--c-border, #e6e6e4);
}
.news-bar__list .news-bar__body { display: flex; }
.news-bar__more { margin-top: 2px; }
@media (max-width: 720px) {
  .news-bar__list { order: 3; flex-basis: 100%; }
  /* スマホはタイトルを2行までにして、NEWS欄が縦に伸びすぎないようにする */
  .news-bar__list .news-bar__title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .news-bar__label { padding-top: 0; }
}