@charset "UTF-8";

/* =========================================================
   development.css — 研究開発ページ専用
   ========================================================= */

/* =========================================================
   Our Approach
   ========================================================= */
.dev-approach {
  padding-block: clamp(60px, 7vw, 110px);
}
.dev-approach__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 480px);
  gap: clamp(28px, 4vw, 80px);
  align-items: center;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.dev-approach__eyebrow {
  font-family: var(--ff-en-body);
  font-weight: 500;
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: 0.06em;
  color: var(--c-green);
  margin: 0 0 clamp(14px, 1.6vw, 22px);
}
.dev-approach__title {
  font-weight: 700;
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: 0.06em;
  color: var(--c-green);
  line-height: 1.5;
  margin: 0 0 clamp(20px, 2.4vw, 32px);
}
.dev-approach__body {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.03em;
  margin: 0;
}

/* stats: 2 circles */
.dev-approach__stats {
  display: flex;
  gap: clamp(16px, 1.6vw, 24px);
  justify-content: flex-end;
}
.dev-stat {
  width: clamp(200px, 20vw, 250px);
  aspect-ratio: 1.32;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.18), transparent 60%),
    var(--c-green);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px 34px;
  gap: 6px;
}
.dev-stat__label {
  font-weight: 700;
  font-size: clamp(18px, 1.8vw, 24px);
  letter-spacing: 0.08em;
  color: #fff;
  line-height: 1.4;
}
.dev-stat__value {
  font-size: clamp(12px, 1vw, 14px);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.04em;
}

/* sub-section: "研究成果を社会に届ける" */
.dev-approach__sub-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: 0.06em;
  color: var(--c-green);
  margin: 0 0 clamp(16px, 1.8vw, 26px);
}
.dev-approach__sub-rule {
  display: inline-block;
  width: 46px;
  height: 1px;
  background: var(--c-green);
}
.dev-approach__sub-body {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.03em;
  margin: 0;
}

/* =========================================================
   PROJECTS — big title + project rows
   ========================================================= */
.dev-projects {
  padding-block: clamp(60px, 7vw, 110px) clamp(80px, 10vw, 160px);
}
.dev-projects__head {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.dev-projects__title {
  font-family: var(--ff-en);
  font-weight: 700;
  font-style: italic;
  font-size: clamp(44px, 5.6vw, 80px);
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--c-green);
  margin: 0;
}
.dev-projects__rule {
  display: inline-block;
  width: 50px;
  height: 1px;
  background: rgba(68, 106, 86, 0.5);
}
.dev-projects__sub {
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.dev-projects__list {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 5vw, 72px);
}

.dev-proj {
  display: grid;
  grid-template-columns: minmax(0, 491px) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 80px);
  align-items: center;
}
.dev-proj__media {
  display: block;
  border-radius: clamp(8px, 1vw, 14px);
  overflow: hidden;
}
.dev-proj__media img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform .35s var(--ease);
}
.dev-proj__media:hover img { transform: scale(1.04); opacity: 1; }
.dev-proj:hover { opacity: 1; }

.dev-proj__body {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.4vw, 20px);
}
.dev-proj__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.dev-proj__en {
  font-family: var(--ff-en-body);
  color: var(--c-green);
  font-size: clamp(14px, 1.1vw, 16px);
  letter-spacing: 0.08em;
  margin: 0;
}
.dev-proj__title {
  font-weight: 700;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: 0.06em;
  color: var(--c-green);
  line-height: 1.5;
  margin: 0;
}
.dev-proj__desc {
  font-size: 16px;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.03em;
  margin: 0;
}

@media (max-width: 1024px) {
  .dev-approach__grid { grid-template-columns: 1fr; }
  .dev-approach__stats { justify-content: center; }
}
@media (max-width: 768px) {
  .dev-proj { grid-template-columns: 1fr; gap: 20px; }
  .dev-stat { width: 160px; }
}

/* ===== 研究プロジェクト一覧 デザイン合わせ（Figma 10-8082 / ミュート緑 #446a56） ===== */
.dev-projects__title { color: #446a56; }
.dev-proj__tags .prod-tag,
.dev-proj__tags .prod-tag--accent { background: #446a56; color: #fff; font-size: 15px; padding: 5px 15px; border-radius: 32px; }
.dev-proj__en { color: #446a56; font-family: var(--ff-en); letter-spacing: 0.08em; }
.dev-proj__title { color: #446a56; }
.dev-proj__more {
  display: inline-flex; align-items: center; gap: 16px; align-self: flex-start;
  margin-top: 6px; color: #446a56; font-weight: 500;
  font-size: clamp(13px, 1.1vw, 15px); letter-spacing: 0.04em;
  transition: opacity .2s var(--ease);
}
.dev-proj__more:hover { opacity: .8; }
.dev-proj__more-arrow {
  position: relative; flex-shrink: 0;
  width: 53px; height: 24px; border-radius: 200px; background: #446a56;
}
.dev-proj__more-arrow::before {
  content: ""; position: absolute; left: 15px; top: 50%;
  width: 22px; height: 1.5px; background: #fff; transform: translateY(-50%);
}
.dev-proj__more-arrow::after {
  content: ""; position: absolute; right: 15px; top: 50%;
  width: 7px; height: 7px; border-top: 1.5px solid #fff; border-right: 1.5px solid #fff;
  transform: translateY(-50%) rotate(45deg);
}