:root {
  --smc-blue: #134686;
  --smc-blue-dark: #0b2f5c;
  --smc-blue-pale: #eaf2fb;
  --smc-green: #43a72b;
  --smc-green-dark: #237320;
  --smc-ink: #1d2733;
  --smc-muted: #5a6672;
}

/* 共通レイアウト */
.smc-container {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 0 24px;
}

.smc-section {
  padding: 72px 0;
}

.smc-section-heading {
  margin-bottom: 44px;
  text-align: center;
}

.smc-section-heading > p {
  margin: 0 0 8px;
  color: var(--smc-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.smc-section-heading h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.4;
  color: var(--smc-ink);
}

.smc-section-heading-invert > p,
.smc-section-heading-invert h2 {
  color: #fff;
}

/* ファーストビュー */
.smc-hero {
  color: #fff;
  background:
    radial-gradient(circle at 85% 15%, rgb(103 174 255 / 25%) 0 22%, transparent 45%),
    linear-gradient(120deg, var(--smc-blue-dark), var(--smc-blue) 55%, #1c6a52);
}

.smc-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 48px;
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 72px 24px 80px;
}

.smc-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin: 0 0 28px;
  padding: 18px 30px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 26px rgb(0 20 50 / 30%);
}

.smc-hero-badge img {
  height: 46px;
  width: auto;
}

.smc-hero-badge span {
  color: var(--smc-blue-dark);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.45;
}

.smc-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.smc-nowrap {
  display: inline-block;
  white-space: nowrap;
}

.smc-hero-sub-strong {
  margin: 0 0 18px;
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 800;
  color: #cfe6ff;
}

.smc-hero-sub {
  margin: 0;
  font-size: 15px;
  line-height: 2;
  color: rgb(255 255 255 / 88%);
}

.smc-hero-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.smc-hero-gold-banner {
  display: block;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 16px 34px rgb(0 18 46 / 30%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.smc-hero-gold-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgb(0 18 46 / 38%);
}

/* PC ではバナーのみ右端を固定したまま左方向へ拡大し、やや上へ配置 */
@media (min-width: 1120px) {
  .smc-hero-gold-banner {
    position: relative;
    top: -32px;
    margin-left: -150px;
  }
}

.smc-hero-gold-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.smc-hero-visual {
  margin: 0;
  padding: 14px;
  background: rgb(255 255 255 / 96%);
  border-radius: 12px;
  box-shadow: 0 20px 44px rgb(0 18 46 / 35%);
}

.smc-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.smc-br-sp {
  display: none;
}

/* なぜ今、Supermicroなのか */
.smc-why {
  background: var(--smc-blue-pale);
}

.smc-why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.smc-why-card {
  position: relative;
  padding: 0 26px 30px;
  overflow: hidden;
  text-align: center;
  background: #fff;
  border: 1px solid #d5e2f2;
  border-radius: 14px;
  box-shadow: 0 12px 28px rgb(19 70 134 / 8%);
}

.smc-why-visual {
  position: relative;
  margin: 0 -26px 22px;
}

.smc-why-img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.smc-why-number {
  position: absolute;
  bottom: -20px;
  right: 44px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: #fff;
  background: var(--smc-blue);
  border: 2px solid #fff;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 800;
}

.smc-why-card h3 {
  margin: 0 0 14px;
  font-size: clamp(13px, calc(2.4vw - 6px), 19px);
  white-space: nowrap;
  line-height: 1.5;
  color: var(--smc-ink);
}

.smc-why-card p {
  margin: 0;
  color: var(--smc-muted);
  font-size: 15px;
}

.smc-official-link {
  margin: 36px 0 0;
  text-align: center;
}

.smc-official-link a {
  display: inline-block;
  padding: 18px 56px;
  color: #fff;
  background: var(--smc-blue);
  border: 2px solid var(--smc-blue);
  border-radius: 999px;
  font-size: 19px;
  font-weight: 700;
  box-shadow: 0 8px 20px rgb(19 70 134 / 25%);
  transition: background-color 0.2s, color 0.2s;
}

.smc-official-link a:hover {
  color: var(--smc-blue);
  background: #fff;
}

/* 3つの安心価値 */
.smc-value-list {
  display: grid;
  gap: 22px;
}

.smc-value-item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 26px;
  align-items: center;
  padding: 30px 34px;
  background: #fff;
  border: 1px solid #dde5ee;
  border-left: 6px solid var(--smc-blue);
  border-radius: 12px;
  box-shadow: 0 10px 26px rgb(23 55 90 / 7%);
}

.smc-value-number {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  color: #fff;
  background: linear-gradient(135deg, var(--smc-blue), #1c6a52);
  border-radius: 50%;
  font-size: 24px;
  font-weight: 800;
}

.smc-value-body h3 {
  margin: 0 0 8px;
  font-size: 22px;
  color: var(--smc-ink);
}

.smc-value-body p {
  margin: 0;
  color: var(--smc-muted);
}

/* 製品ラインナップ */
.smc-lineup {
  background: var(--sec-bg);
}

.smc-gold-banner {
  display: block;
  max-width: 1000px;
  margin: 0 auto 28px;
  transition: opacity 0.2s;
}

.smc-gold-banner:hover {
  opacity: 0.88;
}

.smc-gold-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 26px rgb(23 55 90 / 10%);
}

.smc-lineup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.smc-lineup-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px 30px;
  background: #fff;
  border: 1px solid #d8e1ec;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgb(23 55 90 / 7%);
  transition: transform 0.2s, box-shadow 0.2s;
}

.smc-lineup-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgb(19 70 134 / 16%);
}

.smc-lineup-tag {
  align-self: flex-start;
  margin: 0;
  padding: 5px 14px;
  color: var(--smc-blue);
  background: var(--smc-blue-pale);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.smc-lineup-card h3 {
  margin: 6px 0 0;
  font-size: 23px;
  color: var(--smc-ink);
}

.smc-lineup-card > p {
  margin: 0;
  color: var(--smc-muted);
  font-size: 14px;
}

.smc-lineup-more {
  margin-top: 10px;
  color: var(--smc-blue);
  font-size: 14px;
  font-weight: 700;
}

.smc-lineup-note {
  margin: 28px 0 0;
  text-align: center;
  color: var(--smc-muted);
  font-size: 14px;
}

/* ご利用シーン */
.smc-usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.smc-usecase-card {
  padding: 28px 26px;
  background: #fff;
  border: 1px solid #dde5ee;
  border-top: 5px solid var(--smc-green);
  border-radius: 12px;
  box-shadow: 0 10px 26px rgb(23 55 90 / 7%);
}

.smc-usecase-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--smc-ink);
}

.smc-usecase-card p {
  margin: 0;
  color: var(--smc-muted);
  font-size: 14px;
}

.smc-usecase-note {
  display: block;
  width: fit-content;
  margin: 36px auto 0;
  padding: 16px 36px;
  text-align: center;
  color: var(--smc-green-dark);
  background: #fff;
  border: 2px solid var(--smc-green);
  border-radius: 999px;
  font-size: 21px;
  font-weight: 800;
}

/* 導入の流れ */
.smc-flow {
  background: var(--smc-blue-pale);
}

.smc-flow-list {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.smc-flow-step {
  position: relative;
  padding: 52px 18px 24px;
  text-align: center;
  background: #fff;
  border: 1px solid #d5e2f2;
  border-radius: 12px;
  box-shadow: 0 10px 26px rgb(19 70 134 / 7%);
}

.smc-flow-num {
  position: absolute;
  top: -18px;
  left: 50%;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: var(--smc-blue);
  border: 4px solid #fff;
  border-radius: 50%;
  font-size: 17px;
  font-weight: 800;
  transform: translateX(-50%);
}

.smc-flow-step h3 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.5;
  color: var(--smc-ink);
}

.smc-flow-step p {
  margin: 0;
  color: var(--smc-muted);
  font-size: 13px;
  text-align: left;
}

/* コンタクト */
.smc-contact {
  color: #fff;
  background: linear-gradient(120deg, var(--smc-blue-dark), var(--smc-blue));
}

.smc-contact-lead {
  margin: 0 0 34px;
  text-align: center;
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 2;
}

.smc-contact-menu {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.smc-contact-btn {
  display: inline-block;
  min-width: 240px;
  padding: 16px 30px;
  color: var(--smc-blue-dark);
  background: #fff;
  border-radius: 999px;
  text-align: center;
  font-size: 15px;
  font-weight: 800;
  transition: opacity 0.2s, transform 0.2s;
}

.smc-contact-btn:hover {
  opacity: 0.88;
  transform: translateY(-3px);
}

/* AIデータセンター構想ページへのバナー */
.smc-aidc-banner {
  display: block;
  max-width: 1000px;
  margin: 40px auto 0;
  transition: opacity 0.2s;
}

.smc-aidc-banner:hover {
  opacity: 0.88;
}

.smc-aidc-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 26px rgb(35 115 32 / 15%);
}

/* レスポンシブ */
@media (max-width: 900px) {
  .smc-hero-inner {
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 48px 20px 56px;
  }

  .smc-hero h1 {
    font-size: clamp(20px, 5.6vw - 2px, 34px);
  }

  .smc-hero-right {
    gap: 18px;
  }

  .smc-flow-list {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .smc-flow-step {
    padding: 42px 22px 22px;
  }
}

@media (max-width: 820px) {
  .smc-section {
    padding: 52px 0;
  }

  .smc-br-sp {
    display: inline;
  }

  .smc-why-card h3 {
    font-size: 19px;
  }

  .smc-why-grid,
  .smc-usecase-grid,
  .smc-lineup-grid {
    grid-template-columns: 1fr;
  }

  .smc-value-item {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 24px 22px;
    text-align: left;
  }

  .smc-value-number {
    width: 56px;
    height: 56px;
    font-size: 19px;
  }

  .smc-contact-menu {
    flex-direction: column;
    align-items: center;
  }

  .smc-contact-btn {
    width: min(320px, 100%);
  }
}