@charset "UTF-8";

:root {
  --jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --en: "Work Sans", "Helvetica Neue", Arial, sans-serif;
  --navy: #082D5E;
  --gray-bg: #ECEFF3;
  --gold: #FFD500;
  --red: #D8302A;
  --blk: #231815;
}

.pcShow { display: block; }
.spShow { display: none; }
.clear { display: flow-root; }

/* サイトのreset.cssがlist-styleを消さないため、当ページ内のリストを明示的にリセット */
#tracks .points,
#tracks .points > li { list-style: none; margin: 0; }

/* ページ全体の横スクロール（見切れ）防止 */
html { overflow-x: clip; }
#tracks {
  font-family: var(--jp);
  color: var(--navy);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
#tracks img { max-width: 100%; }
#tracks .body-inner {
  max-width: 95%;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}


	
/* パンくず */
#tracks .topic-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
	width: 100%;
}
#tracks .topic-path a { color: var(--blk); text-decoration: none; }
#tracks .topic-path a:hover { text-decoration: underline; }

/* ==========================================================================
   MV
   ========================================================================== */
#tracks .main-top {
  position: relative;
  width: 100%;
  aspect-ratio: 1440 / 875;
  display: flex;
  align-items: center;
  overflow: hidden;
}
#tracks .main-top picture,
#tracks .main-top-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
#tracks .main-top-img {
  object-fit: cover;
  object-position: right center;
  transform: scale(1.02);
  transform-origin: center bottom;
}
#tracks .main-top::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
#tracks .hero-copy {
  position: relative;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 6%;
  box-sizing: border-box;
  z-index: 2;
  color: #fff;
  text-align: left;
}
#tracks .hero-catch {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 5px;
  text-shadow: 0 2px 14px rgba(0,0,0,0.3);
  font-style: oblique 15deg;
  margin-bottom: 20px;
}
#tracks .hero-catch .l1,
#tracks .hero-catch .l2 {
  display: block;
  font-size: clamp(28px, 5.49vw, 90px);
}
#tracks .hero-catch em {
  font-style: normal;
  font-weight: 700;
  font-size: clamp(18px, 3.3vw, 54px);
  font-style: oblique 15deg;
}
#tracks .hero-catch .l3 {
  display: block;
  font-size: clamp(42px, 8.13vw, 133px);
  line-height: 1.02;
  font-feature-settings: "palt";
}
#tracks .hero-sub {
  display: inline-block;
  margin-top: clamp(10px, 1.2vw, 22px);
  font-weight: 500;
  font-size: clamp(13px, 2.08vw, 30px);
  line-height: 1.5;
  border-bottom: 2px solid rgba(255,255,255,0.65);
  padding-bottom: 0px;
}
#tracks .hero-en-row {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 26px);
  margin-top: clamp(16px, 2.4vw, 34px);
}
#tracks .hero-badge {
  flex: 0 0 auto;
  width: clamp(52px, 13vw, 188px);
  height: clamp(52px, 13vw, 188px);
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--jp);
  font-weight: 700;
  line-height: 1.05;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#tracks .hero-badge .t { font-size: clamp(18px, 3.89vw, 56px); }
#tracks .hero-badge .s { font-size: clamp(12px, 2.57vw, 37px); margin-top: 0.12em; }
#tracks .hero-en-col { flex: 1; min-width: 0; }
#tracks .hero-en {
  font-family: var(--en);
  line-height: 1;
  font-style: italic;
}
#tracks .hero-en span {
  display: block;
  font-weight: 500;
  font-size: clamp(14px, 4.03vw, 58px);
  letter-spacing: 2px;
}
#tracks .hero-en strong {
  display: block;
  font-weight: 500;
  font-size: clamp(28px, 6.46vw, 93px);
  letter-spacing: 1px;
}
#tracks .hero-bar {
  display: inline-block;
  margin-top: clamp(8px, 1vw, 16px);
  background: #fff;
  color: #082D5E;
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(11px, 2.22vw, 32px);
  letter-spacing: 1px;
  padding: 0 6px 2px 6px;
  line-height: 1.4;
}
#tracks .side-contact {
  position: fixed;
  top: 30%;
  right: 0;
  z-index: 50;
  writing-mode: vertical-rl;
  background: #1160C9;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 2px;
  padding: 20px 10px;
  border-radius: 6px 0 0 6px;
  box-shadow: -2px 2px 10px rgba(0,0,0,0.25);
  transition: background 0.3s;
}
#tracks .side-contact:hover { background: #0d52ab; }

#tracks h3 { letter-spacing: 0px; }

/* ==========================================================================
   3つのPOINT
   ========================================================================== */
#tracks .point-sec { padding: 66px 0 84px; }
#tracks .points {
  display: flex;
  justify-content: center;
  gap: 56px;
}
#tracks .point {
  flex: 0 1 322px;
  max-width: 322px;
}
#tracks .point-deca {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
}
#tracks .point-deca::before,
#tracks .point-deca::after {
  content: '';
  position: absolute;
  clip-path: polygon(34.5% 2.4%, 65.5% 2.4%, 90.5% 20.6%, 100% 50%, 90.5% 79.4%, 65.5% 97.6%, 34.5% 97.6%, 9.5% 79.4%, 0 50%, 9.5% 20.6%);
}
#tracks .point-deca::before { inset: 0; background: var(--navy); }
#tracks .point-deca::after  { inset: 2px; background: #fff; }
#tracks .point-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 0% 2.5% 8%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#tracks .point-no {
  display: flex;
  align-items: baseline;
  gap: 0;
  margin-bottom: 4px;
  font-family: var(--en);
  color: var(--navy);
}
#tracks .point-no small { font-weight: 600; font-size: 20px; letter-spacing: 1px; }
#tracks .point-no b { font-weight: 600; font-size: 60px; line-height: 1; }
#tracks .point-deca h3 {
  font-weight: 900;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 2px;
  color: var(--navy);
  margin-bottom: 14px;
  font-feature-settings: "palt";
}
#tracks .point-deca h3 .sm { font-size: 30px; letter-spacing: 4px; }
#tracks .point-desc {
  max-width: 64%;
  font-weight: 400;
  font-size: 16px;
  line-height: 23px;
  letter-spacing: 0.48px;
  color: var(--navy);
  text-align: left;
}
#tracks .point .patent {
  position: absolute;
  top: 2px;
  right: 0px;
  z-index: 3;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
#tracks .point .patent b { font-weight: 700; font-size: 28px; line-height: 1; }
#tracks .point .patent span { font-weight: 700; font-size: 18px; line-height: 1.2; margin-top: 3px; }

/* ==========================================================================
   低振動・低騒音を支える MAXIS独自の構造
   ========================================================================== */
#tracks .structure-sec {
  background: var(--gray-bg) url(/service/agricultural/rubbertracks/images/bg.png) center / cover no-repeat;
  padding: 90px 0 100px;
}
#tracks .structure-heading {
  text-align: center;
  color: var(--navy);
  margin-bottom: 64px;
  line-height: 1.25;
}
#tracks .structure-heading .big {
  font-weight: 700;
  font-size: 68px;
  font-feature-settings: "palt";
}
#tracks .structure-heading .mx {
	font-size: 1.15em;
    display: inline-block;
    vertical-align: middle;
    transform: translateY(-0.13em); 
} 
#tracks .structure-heading .sm {
  font-weight: 600;
  font-size: 50px;
}

/* テキスト＋画像ブロック */
#tracks .st-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 40px;
  background: #fff;
  padding: 46px 52px;
  box-sizing: border-box;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}
#tracks .st-block.rTxtBox { flex-direction: row; }
#tracks .st-txt { flex: 1; }
#tracks .st-txt h4 {
  position: relative;
  font-weight: 700;
  font-size: 42px;
  line-height: 1.4;
  padding-left: 24px;
  margin-bottom: 20px;
  font-feature-settings: "palt";
  text-align: left;
}
#tracks .st-txt h4::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--navy);
}
#tracks .st-txt h4 .marker {
  background-image: linear-gradient(#FFD500, #FFD500);
  background-repeat: no-repeat;
  background-position: 0 90%;
  background-size: 100% 10px;
}
#tracks .st-txt p {
  font-weight: 400;
  font-size: 22px;
  line-height: 40px;
  text-align: left;
}
#tracks .st-img {
  position: relative;
  flex: 0 0 46%;
  max-width: 46%;
}
#tracks .st-img img {
  width: 100%;
  display: block;
  box-shadow: 4px 4px 12px rgba(0,0,0,0.12);
}
#tracks .st-block > .patent-round {
  position: absolute;
  top: -30px;
  right: -22px;
  z-index: 3;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}
#tracks .st-block > .patent-round .t {
  font-size: 33px;
  line-height: 1;
}

/* カード2枚 */
#tracks .st-cards {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}
#tracks .st-card {
  flex: 1;
  background: #fff;
  padding: 30px 32px 36px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
#tracks .st-card-img { text-align: center; margin-bottom: 24px; }
#tracks .st-card h4 {
  position: relative;
  font-weight: 700;
  font-size: 26px;
  line-height: 38px;
  padding-left: 18px;
  margin-bottom: 12px;
  text-align: left;
}
#tracks .st-card h4::before {
  content: '';
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--navy);
}
#tracks .st-card p {
  font-weight: 400;
  font-size: 16px;
  line-height: 28px;
  text-align: left;
}

/* ==========================================================================
   適合機種
   ========================================================================== */
#tracks .spec-sec { padding: 76px 0 80px; }
#tracks .spec-table {
  display: flex;
  border: 1px solid var(--navy);
  background: #fff;
}
#tracks .spec-th {
  flex: 0 0 200px;
  background: #fff;
  color: var(--navy);
  font-weight: 600;
  font-size: 30px;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--navy);
}
#tracks .spec-td { padding: 24px 30px; }
#tracks .spec-td p {
  font-weight: 400;
  font-size: 15px;
  line-height: 36px;
  letter-spacing: 0.5px;
  text-align: left;
}
#tracks .spec-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
  color: #000;
  font-weight: 600;
  font-size: 20px;
  text-align: center;
}
#tracks .spec-note .mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--red);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
}

/* ==========================================================================
   PROMOTION MOVIE
   ========================================================================== */
#tracks .movie-sec {
  background: var(--gray-bg) url(/service/agricultural/rubbertracks/images/bg2.png) center / cover no-repeat;
  padding: 80px 0 90px;
  text-align: center;
}
#tracks .movie-ttl {
  font-family: var(--en);
  font-weight: 500;
  font-style: italic;
  font-size: clamp(40px, 6.46vw, 93px);
  letter-spacing: 0;
  color: var(--navy);
  margin-bottom: 18px;
}
#tracks .movie-lead {
  font-weight: 400;
  font-size: 24px;
  line-height: 45px;
  margin-bottom: 40px;
}
#tracks .movie-box { max-width: 800px; }
#tracks .movie-thumb {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid #FFFFFF;
  background: none;
  cursor: pointer;
  overflow: hidden;
  box-shadow: none;
}
#tracks .movie-thumb img { width: 100%; display: block; }
#tracks .movie-thumb .play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 84px; height: 84px;
  border-radius: 50%;
  background: rgba(255,255,255,0.9);
  transition: background 0.3s;
}
#tracks .movie-thumb .play::after {
  content: '';
  position: absolute;
  top: 50%; left: 54%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 15px 0 15px 25px;
  border-color: transparent transparent transparent var(--navy);
}
#tracks .movie-thumb:hover .play { background: #fff; }

/* ==========================================================================
   動画モーダル
   ========================================================================== */
#tracks .movie-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
}
#tracks .movie-modal.is-open {
  display: flex;
  align-items: center;
  justify-content: center;
}
#tracks .movie-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  cursor: pointer;
}
#tracks .movie-modal-body {
  position: relative;
  z-index: 1;
  width: 65dvw;
  max-width: calc(65dvh * 16 / 9);
  margin: auto;
  box-sizing: border-box;
}
#tracks .movie-modal-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
#tracks .movie-modal-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
#tracks .movie-modal-close {
  position: absolute;
  top: -42px;
  right: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: none;
  color: #fff;
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
#tracks .movie-modal-close:hover { opacity: 0.7; }

/* ==========================================================================
   関連製品紹介（フル幅の紺バー）
   ========================================================================== */
#tracks .related-sec { padding: 60px 0 90px; }
#tracks .related-ttl {
  max-width: 1120px;
  margin: 0 auto 40px;
  height: 80px;
  background: var(--navy);
  color: #fff;
  font-weight: 600;
  font-size: 40px;
  letter-spacing: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#tracks .related-ttl span { display: inline-block; }

/* フェード */
#tracks .fade-in-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#tracks .fade-in-on-scroll.show { opacity: 1; transform: translateY(0); font-feature-settings: "palt";}


/* ==========================================================================
   【タブレット対応】（769px 〜 1024px）
   ========================================================================== */
@media screen and (max-width: 1119px) and (min-width: 769px) {
  /* 3つのPOINT：横並び（3カラム）のまま小さく収める */
  #tracks .points { gap: 20px; }
  #tracks .point { flex: 1; max-width: none; }
  #tracks .point-deca h3 { font-size: 24px; margin-bottom: 8px; }
  #tracks .point-deca h3 .sm { font-size: 20px; }
  #tracks .point-desc { font-size: 13px; line-height: 1.5; max-width: 80%; }
  #tracks .point-no b { font-size: 42px; }
  #tracks .point .patent { width: 70px; height: 70px; }
  #tracks .point .patent b { font-size: 20px; }
  #tracks .point .patent span { font-size: 13px; }

  /* 構造ブロック：左右2カラムのまま縮小 */
  #tracks .structure-heading .big { font-size: 56px; }
  #tracks .structure-heading .sm { font-size: 40px; }
  #tracks .st-block { gap: 30px; padding: 32px; }
  #tracks .st-txt h4 { font-size: 28px; padding-left: 16px; margin-bottom: 12px; }
  #tracks .st-txt p { font-size: 16px; line-height: 1.8; }
  #tracks .st-cards { gap: 20px; }
  #tracks .st-card { padding: 24px 20px; }
  #tracks .st-card h4 { font-size: 20px; line-height: 1.5; }
  #tracks .st-card p { font-size: 14px; line-height: 1.7; }
  #tracks .st-block > .patent-round { width: 80px; height: 80px; font-size: 15px; top: -20px; right: -10px; }
  #tracks .st-block > .patent-round .t { font-size: 24px; }

  /* 適合機種 */
  #tracks .spec-th { flex: 0 0 160px; font-size: 24px; }
  #tracks .spec-td p { font-size: 14px; line-height: 2; }
}


/* ==========================================================================
   スマホ
   ========================================================================== */
@media screen and (max-width: 768px) {
  .pcShow { display: none; }
  .spShow { display: block; }

	
#tracks .body-inner {
    max-width: 100%;
}
	
	
  #tracks .topic-path { font-size: 12px; padding: 16px 0; margin-top: 50px;}

  /* ヒーロー */
  #tracks .main-top { aspect-ratio: 750 / 780; overflow: visible;}
  #tracks .hero-copy { padding: 0 7%; }
  #tracks .hero-catch .l1,
  #tracks .hero-catch .l2 { font-size: 30px; }
  #tracks .hero-catch em { font-size: 22px; }
  #tracks .hero-catch .l3 { font-size: 46px; }
  #tracks .hero-sub { font-size: 15px; margin-top: 12px; }
  #tracks .hero-en-row { gap: 12px; margin-top: 18px; }
  #tracks .side-contact { top: auto; bottom: 10px; font-size: 15px; padding: 14px 8px; }

	#tracks .main-top picture {
    position: absolute;
    inset: 0;
    width: 100%;
    height: auto;
}
	
	
  /* POINT：横並び（3カラム・スマホ）／説明文は非表示 */
  #tracks .point-sec { padding: 0 0 48px; }
  #tracks .points { flex-direction: row; align-items: flex-start; justify-content: center; gap: 6px; }
  #tracks .point { flex: 1 1 0; max-width: none; width: auto; }
  #tracks .point-inner { /* padding: 0 3% 4%; */ }
  #tracks .point-no { margin-bottom: 0; }
  #tracks .point-no small { font-size: clamp(12px, 2.1vw, 14px); letter-spacing: 0.5px; }
  #tracks .point-no b { font-size: clamp(22px, 7vw, 40px); }
  #tracks .point-deca h3 { font-size: clamp(12px, 3.8vw, 20px); letter-spacing: 0; margin-bottom: 0; line-height: 1.3; }
  #tracks .point-deca h3 .sm { font-size: clamp(10px, 2.8vw, 16px); letter-spacing: 0; }
  #tracks .point-desc { display: none; }
  #tracks .point .patent { width: clamp(40px, 12vw, 70px); height: clamp(40px, 12vw, 70px); top: -8px; right: -12px; }
  #tracks .point .patent b { font-size: clamp(11px, 3vw, 18px); }
  #tracks .point .patent span { font-size: clamp(8px, 2.2vw, 13px); }

  /* 構造：縦積み（1カラム） */
  #tracks .structure-sec { padding: 60px 0; }
  #tracks .structure-heading {
    text-align: center;
    margin-bottom: 44px;
    line-height: 1.35;
  }
  #tracks .structure-heading .big { font-size: 34px; }
  #tracks .structure-heading .sm { font-size: 26px; }
  #tracks .st-block,
  #tracks .st-block.rTxtBox {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 26px;
    padding: 32px 24px 36px;
  }
	
  #tracks .st-block.lTxtBox {
    flex-direction: column-reverse;
}
	
  #tracks .st-img { flex: 0 0 auto; max-width: 84%; margin: 0 auto; }
  #tracks .st-block > .patent-round { width: 64px; height: 64px; font-size: 13px; top: -18px; right: -8px; }
  #tracks .st-block > .patent-round .t { font-size: 20px; }
  #tracks .st-txt h4 { font-size: 24px; }
  #tracks .st-txt p { font-size: 16px; line-height: 1.9; }
  #tracks .st-cards { flex-direction: column; gap: 24px; }
  #tracks .st-card h4 { font-size: 20px; line-height: 1.5; }
  #tracks .st-card p { font-size: 16px; line-height: 28px; }

  /* 適合機種：縦積み */
  #tracks .spec-sec { padding: 50px 0 56px; }
  #tracks .spec-table { flex-direction: column; }
  #tracks .spec-th { flex: 0 0 auto; padding: 12px; font-size: 22px; border-right: none; border-bottom: 1px solid var(--navy); }
  #tracks .spec-td { padding: 18px; }
  #tracks .spec-td p { font-size: 13px; line-height: 2; word-break: break-word; }
  #tracks .spec-note { 
	  font-size: 14px; 
      border: 1px solid var(--navy);
      padding: 18px;
    flex-direction: column;
	}

  /* MOVIE */
  #tracks .movie-sec { padding: 60px 0; }
  #tracks .movie-ttl { font-size: 35px; letter-spacing: 0.5px; }
  #tracks .movie-lead { font-size: 15px; line-height: 1.9; }

  /* 動画モーダル */
  #tracks .movie-modal-body {
    width: 96dvw;
    max-width: calc(80dvh * 16 / 9);
  }

#tracks .movie-thumb .play {
    width: 68px;
    height: 68px;
}

  /* 関連製品 */
  #tracks .related-ttl { height: 60px; font-size: 22px; }

}

/* ==========================================================================
   〜480px
   ========================================================================== */
@media screen and (max-width: 480px) {
  #tracks .body-inner { padding: 0 16px; }

  #tracks .hero-catch .l1,
  #tracks .hero-catch .l2 { font-size: 30px; }
  #tracks .hero-catch em { font-size: 18px; }
  #tracks .hero-catch .l3 { font-size: 38px; }
  #tracks .hero-sub { font-size: 13px; }


  #tracks .structure-heading .big { font-size: 34px; }
  #tracks .structure-heading .sm { font-size: 21px; }
  #tracks .st-img { max-width: 100%; }
  #tracks .st-card { padding: 24px 22px 28px; }

  #tracks .movie-ttl { font-size: 35px; letter-spacing: 0.5px; }
  #tracks .related-ttl { font-size: 18px; letter-spacing: 1px; }
}