@charset "UTF-8";

/* =========================================
   MARKETING PAGE STYLES
   ========================================= */

/* Common Section Padding */
.mk-sec {
  padding: clamp(100px, 15vw, 160px) 0;
  position: relative;
}

/* ----------------------------------
   1. MV SECTION (Data Visualization Theme)
   ---------------------------------- */
.mk-mv {
  position: relative;
  width: 100%;
  height: 85vh;
  min-height: 550px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f8f8;
  overflow: hidden;
  padding-top: 80px; /* Header offset */
}

/* Background Animation Elements */
.mk-mv-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}
.chart-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(#e5e5e5 1px, transparent 1px),
    linear-gradient(90deg, #e5e5e5 1px, transparent 1px);
  background-size: 100px 100px;
  opacity: 0.5;
}
.chart-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  border-top: 2px solid var(--c-green);
  opacity: 0.3;
}
.chart-line.l-1 {
  bottom: 20%;
  border-color: #ccc;
}
.chart-line.l-2 {
  bottom: 40%;
  border-color: #999;
}
.chart-line.l-3 {
  bottom: 60%;
  border-color: var(--c-green);
  opacity: 0.8;
}

.mv-content {
  width: 100%;
  position: relative;
  z-index: 2;
}

.mv-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  font-family: var(--font-en);
  font-weight: 700;
  color: #666;
  font-size: 13px;
  opacity: 0;
  transform: translateY(20px);
}
.mv-sep {
  color: var(--c-green);
}

.mv-heading {
  display: flex;
  flex-direction: column;
  line-height: 0.9;
  margin-bottom: 50px;
}
.line-mask {
  overflow: hidden;
  padding: 5px 0;
}
.mv-heading span {
  font-family: var(--font-en);
  font-size: clamp(48px, 11vw, 130px);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: #111;
  display: block;
  opacity: 0;
  transform: translateY(100%);
}
.-stroke {
  color: transparent;
  -webkit-text-stroke: 1px #111;
  font-weight: 800;
}

/* Stats Display */
.mv-stat-box {
  display: flex;
  gap: clamp(30px, 5vw, 60px);
  opacity: 0;
  transform: translateY(20px);
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: #888;
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}
.stat-num {
  font-family: var(--font-en);
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 900;
  color: var(--c-green);
  line-height: 1;
}
.stat-unit {
  font-size: 20px;
  font-weight: 700;
  color: #111;
  margin-left: 5px;
}

.mk-scroll {
  position: absolute;
  bottom: 40px;
  right: 40px;
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: #333;
  writing-mode: vertical-rl;
  opacity: 0;
}
.mk-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 60px;
  background-color: #333;
  margin-top: 10px;
}

/* ----------------------------------
   2. INTRO SECTION
   ---------------------------------- */
.intro-layout {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-top: 1px solid #111;
  padding-top: 60px;
  gap: clamp(40px, 5vw, 80px);
}

.intro-left {
  width: 40%;
}
.intro-head {
  font-family: var(--font-en);
  font-size: clamp(36px, 6vw, 80px);
  font-weight: 800;
  line-height: 1;
  color: #111;
  margin-bottom: 30px;
  letter-spacing: -0.02em;
}
.decor-bar {
  width: 80px;
  height: 6px;
  background-color: var(--c-green);
}

.intro-right {
  width: 50%;
  padding-top: 10px;
}
.intro-lead {
  font-size: clamp(20px, 3vw, 24px);
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 40px;
  font-feature-settings: "palt";
}
.intro-desc {
  font-size: 15px;
  line-height: 2;
  color: #555;
  font-weight: 500;
}

/* ----------------------------------
   3. SOLUTIONS SECTION (Grid Cards)
   ---------------------------------- */
.mk-solutions {
  background-color: #111;
  color: #fff;
  overflow: hidden;
}

.bg-big-typo {
  position: absolute;
  top: 10%;
  right: -5%;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 20vw;
  color: #232323;
  z-index: 0;
  pointer-events: none;
  line-height: 1;
}

.sol-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 1;
}

.sol-card {
  background-color: #1a1a1a;
  border: 1px solid #333;
  padding: clamp(30px, 5vw, 50px);
  transition: all 0.4s ease;
  opacity: 0;
  transform: translateY(30px);
}
.sol-card:hover {
  background-color: #222;
  border-color: var(--c-green);
  transform: translateY(-10px);
}

.sol-icon-area {
  height: 80px;
  margin-bottom: 30px;
}

/* CSS Icon: Graph */
.icon-graph {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 100%;
  margin: 0 auto;
  width: fit-content;
}
.bar {
  width: 15px;
  background-color: #555;
  transition: 0.4s;
}
.bar.b-1 {
  height: 40%;
}
.bar.b-2 {
  height: 70%;
}
.bar.b-3 {
  height: 100%;
  background-color: #fff;
}
.sol-card:hover .bar.b-3 {
  background-color: var(--c-green);
}

/* CSS Icon: Network */
.icon-network {
  position: relative;
  width: 80px;
  height: 100%;
  margin: 0 auto;
}
.node {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: #fff;
  border-radius: 50%;
  transition: 0.4s;
}
.node::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50px;
  height: 1px;
  background-color: #555;
  z-index: -1;
}
.node.n-1 {
  top: 10px;
  left: 0;
}
.node.n-2 {
  top: 40px;
  right: 0;
}
.node.n-2::after {
  transform: rotate(135deg);
  transform-origin: left;
}
.node.n-3 {
  bottom: 10px;
  left: 20px;
}
.node.n-3::after {
  transform: rotate(-45deg);
  transform-origin: left;
}
.sol-card:hover .node {
  background-color: var(--c-green);
}

.sol-title {
  font-family: var(--font-en);
  font-size: clamp(24px, 4vw, 28px);
  font-weight: 800;
  margin-bottom: 10px;
}
.sol-jp {
  font-size: 14px;
  font-weight: 700;
  color: #999;
  margin-bottom: 25px;
}
.sol-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #ccc;
  margin-bottom: 30px;
}
.sol-list {
  border-top: 1px solid #333;
  padding-top: 20px;
}
.sol-list li {
  font-size: 13px;
  color: #888;
  margin-bottom: 8px;
  position: relative;
  padding-left: 15px;
}
.sol-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--c-green);
}

/* ----------------------------------
   4. SUPPORT (Flow)
   ---------------------------------- */
.support-flow {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 20px;
  margin-top: 40px;
}

.flow-step {
  flex: 1;
  background-color: #f8f8f8;
  padding: 40px 30px;
  border-top: 4px solid #ddd;
  transition: 0.3s;
  opacity: 0;
  transform: translateY(30px);
}
.flow-step:hover {
  border-color: var(--c-green);
  background-color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.flow-phase {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-green);
  display: block;
  margin-bottom: 5px;
}
.flow-title {
  font-family: var(--font-en);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 20px;
}
.flow-body p {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
}
.flow-arrow::after {
  content: "→";
  font-family: var(--font-en);
  font-size: 24px;
  color: #ccc;
}

/* ----------------------------------
   RESPONSIVE MANAGER
   ---------------------------------- */

/* --- 900px --- */
@media (max-width: 900px) {
  .intro-layout {
    flex-direction: column;
    gap: 40px;
  }
  .intro-left,
  .intro-right {
    width: 100%;
  }

  /* Flow Stack */
  .support-flow {
    flex-direction: column;
    gap: 40px;
  }
  .flow-arrow {
    transform: rotate(90deg);
    margin: 0 auto;
  }
}

/* --- 480px --- */
@media (max-width: 480px) {
  .mv-heading span {
    font-size: 13vw;
  }
  .support-flow {
    gap: 15px;
  }
}