@charset "UTF-8";

/* =========================================
   STRUCTURE PAGE
========================================= */

.structure-content {
  max-width: 900px;
}

/* HERO */
.structure-hero {
  padding: 80px 0 72px;
}

.structure-title {
  max-width: 760px;
  margin: 0;
  font-family:
    "Hiragino Mincho ProN",
    "Yu Mincho",
    "Noto Serif JP",
    serif;
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.08em;
}

.structure-lead {
  max-width: 800px;
  margin: 28px 0 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 2;
}

/* CONTENT SECTION */
.structure-section {
  padding: 64px 0;
}

.structure-section h2 {
  margin: 0 0 24px;
  font-family:
    "Hiragino Mincho ProN",
    "Yu Mincho",
    "Noto Serif JP",
    serif;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.structure-section p {
  margin: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 2;
}

/* BOX */
.structure-box {
  padding: 24px 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(16, 18, 20, 0.9);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

/* BUTTON */
.structure-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 32px;
  padding: 15px 24px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  color: var(--text-main);
  font-size: 13px;
  text-align: center;
  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease;
}

.structure-button:hover {
  border-color: var(--text-main);
  background: var(--text-main);
  color: var(--bg-main);
  text-decoration: none;
  transform: translateY(-2px);
}

/* IMPORTANT */
.structure-description {
  margin-top: 48px !important;
}

.structure-button-no-margin {
  margin-top: 20px;
}

.structure-button-no-margin + p {
  margin-top: 28px;
}

.structure-signature {
  margin-top: 32px !important;
  color: #999 !important;
  font-size: 13px !important;
}

/* TABLET / MOBILE */
@media (max-width: 767px) {
  .structure-hero {
    padding: 56px 0 48px;
  }

  .structure-title {
    font-size: clamp(27px, 8vw, 36px);
    line-height: 1.6;
  }

  .structure-lead,
  .structure-section p {
    font-size: 13px;
  }

  .structure-section {
    padding: 48px 0;
  }

  .structure-box {
    padding: 22px 20px;
  }

  .structure-button {
    width: 100%;
    padding: 15px 18px;
  }
}

@media (max-width: 420px) {
  .structure-title br:first-of-type {
    display: none;
  }
}

#structure-contact {
    scroll-margin-top: calc(var(--header-height, 64px) - 1px);
}