@charset "utf-8";

/* ==============================
   小松コンセプトハウス
   ============================== */

.komatsu-page { overflow: hidden; }
.komatsu-page img { max-width: 100%; height: auto; }

.km-section-eng {
  font-family: 'Jost', sans-serif;
  font-size: clamp(32px, 5vw, 50px);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-align: center;
  line-height: 1;
  margin-bottom: 40px;
}

/* Firstview */
.km-firstview { position: relative; width: 100%; }
.km-firstview__inner { position: relative; width: 100%; }
.km-firstview__img { width: 100%; height: auto; display: block; }
.km-firstview__text { position: absolute; top: 40px; left: 40px; color: #fff; z-index: 2; }
.km-firstview__lead { font-size: clamp(16px, 2.5vw, 24px); letter-spacing: 0.08em; margin-bottom: 8px; }
.km-firstview__title { font-size: clamp(28px, 5vw, 56px); font-weight: 700; letter-spacing: 0.05em; line-height: 1.3; margin-bottom: 30px; }
.km-firstview__sub { font-size: clamp(18px, 3vw, 32px); letter-spacing: 0.05em; }

/* Gallery */
.km-gallery { padding: 80px 0; background: #fff; }
.km-gallery__slider { overflow: hidden; }
.km-gallery__item { margin: 0 10px; }
.km-gallery__item img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.km-gallery .slick-dots { padding-top: 15px; text-align: center; }
.km-gallery .slick-dots li { display: inline-block; width: 10px; height: 10px; margin: 0 5px; }
.km-gallery .slick-dots li button { font-size: 0; width: 10px; height: 10px; border: none; border-radius: 50%; background: #ccc; cursor: pointer; padding: 0; }
.km-gallery .slick-dots li.slick-active button { background: #00b4a5; }

/* Description */
.km-description { padding: 80px 0; background: #fff; }
.km-description__inner { width: 90%; max-width: 900px; margin: 0 auto; text-align: center; }
.km-description__img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; margin-bottom: 40px; }
.km-description__heading { font-size: clamp(22px, 3vw, 32px); font-weight: 500; letter-spacing: 0.1em; line-height: 2; margin-bottom: 30px; }
.km-description__text { font-size: 16px; line-height: 2.2; letter-spacing: 0.05em; }

/* Concept shared */
.km-concept { background: #f1f4f2; padding: 100px 0 80px; }
.km-concept__inner { width: 92%; max-width: 1100px; margin: 0 auto; }
.km-concept__header { display: flex; align-items: flex-start; gap: 60px; margin-bottom: 60px; }
.km-concept__num { flex-shrink: 0; text-align: center; }
.km-concept__num img { height: 1.6em; display: block; margin: 0 auto 15px; }
.km-concept__label { font-family: 'Jost', sans-serif; font-size: clamp(16px, 2vw, 22px); font-weight: 600; letter-spacing: 0.1em; color: #00b4a5; }
.km-concept__desc h3 { font-size: clamp(20px, 3vw, 32px); font-weight: 500; letter-spacing: 0.08em; line-height: 1.6; margin-bottom: 20px; }
.km-concept__desc p { font-size: 16px; line-height: 2; }

/* Material main */
.km-concept__main { background: #fff; padding: 0 0 40px; margin: 0 auto 40px; max-width: 800px; }
.km-concept__main img { width: 100%; display: block; margin-bottom: 20px; }
.km-concept__main h4 { text-align: center; font-size: clamp(16px, 2.2vw, 20px); font-weight: 700; color: #00b4a5; margin-bottom: 15px; }
.km-concept__main p { font-size: 15px; line-height: 2; padding: 0 30px; }

/* 3-column boxes */
.km-concept__boxes { display: flex; gap: 24px; }
.km-concept__box { flex: 1; }
.km-concept__box img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; margin-bottom: 15px; }
.km-concept__box h4 { font-size: clamp(14px, 1.6vw, 17px); font-weight: 700; line-height: 1.6; margin-bottom: 10px; }
.km-concept__box p { font-size: 14px; line-height: 2; }

/* Performance */
.km-perf__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.km-perf__card { background: #fff; padding: 40px; }
.km-perf__card h4 { text-align: center; font-size: clamp(16px, 2vw, 20px); font-weight: 700; color: #00b4a5; margin-bottom: 20px; }
.km-perf__big { font-size: 1.6em; }
.km-perf__row { display: block; }
.km-perf__text { flex: 1; }
.km-perf__text p { font-size: 15px; line-height: 2; margin-bottom: 15px; }
.km-perf__example { display: flex; gap: 15px; align-items: flex-start; }
.km-perf__example img { width: 45%; aspect-ratio: 1/1; object-fit: cover; }
.km-perf__example p { font-size: 13px; flex: 1; }
.km-perf__graph { width: 100%; max-width: 320px; display: block; margin: 20px auto 0; }
.km-perf__card > p { font-size: 15px; line-height: 2; margin-bottom: 15px; }
.km-perf__passive-img { width: 100%; max-width: 360px; display: block; margin: 0 auto; }

/* Access */
.km-access { padding: 100px 0; background: #fff; }
.km-access__inner { width: 92%; max-width: 900px; margin: 0 auto; }
.km-access__address { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; font-size: 16px; }
.km-access__icon { height: 1.2em; width: auto; }
.km-access__map { width: 100%; aspect-ratio: 16/9; border: 0; }

/* Tel */
.km-tel { background: #00b4a5; padding: 30px 0; }
.km-tel__btn { display: block; max-width: 640px; width: 85%; margin: 0 auto; padding: 24px; background: #fff; color: #00b4a5; text-decoration: none; text-align: center; }
.km-tel__sub { display: block; font-size: 14px; margin-bottom: 8px; }
.km-tel__num { display: block; font-size: clamp(24px, 4vw, 32px); font-weight: 700; letter-spacing: 0.05em; }

/* Responsive */
@media (max-width: 767px) {
  .km-firstview { }
  .km-firstview__text { top: 20px; left: 20px; }
  .km-gallery { padding: 50px 0; }
  .km-description { padding: 50px 0; }
  .km-concept { padding: 60px 0 50px; }
  .km-concept__header { flex-direction: column; gap: 20px; }
  .km-concept__boxes { flex-direction: column; gap: 30px; }
  .km-perf__grid { grid-template-columns: 1fr; }
  .km-perf__row { flex-direction: column; }
  .km-perf__graph { max-width: 100%; }
  .km-access { padding: 60px 0; }
}