/* ==============================
   about.css
   このサイトについて専用CSS
============================== */

/* ==============================
   ページ見出し
============================== */

.about-page-head {
  padding: 30px 28px;
  text-align: center;
}

.about-page-label,
.about-page-title,
.about-page-subtitle {
  position: relative;
  z-index: 1;
}

.about-page-label {
  display: inline-block;
  margin-bottom: 14px;
  padding: 7px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ffb21f, #ff7a18);
  color: #041722;
  font-size: 0.95rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  box-shadow: 0 0 16px rgba(255, 174, 32, 0.45);
}

.about-page-title {
  margin: 0;
  color: #f4fdff;
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-shadow:
    0 0 10px rgba(0, 220, 255, 0.9),
    0 3px 8px rgba(0, 0, 0, 0.75);
}

.about-page-subtitle {
  margin-top: 8px;
  color: #bff8ff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.92;
}

/* ==============================
   本文パネル
============================== */

.about-panel {
  margin-top: 34px;
  padding: 30px 32px;
}

.about-section-title {
  position: relative;
  z-index: 1;
  margin: 0 0 22px;
  padding-bottom: 10px;
  color: #35f4ff;
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(79, 232, 255, 0.55);
  text-shadow:
    0 0 8px rgba(53, 244, 255, 0.82),
    0 2px 5px rgba(0, 0, 0, 0.7);
}

.about-text {
  position: relative;
  z-index: 1;
}

.about-text p {
  margin: 0 0 1em;
  color: #dffcff;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.95;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-text .en {
  color: #d6f8ff;
  font-size: 0.96rem;
  opacity: 0.96;
}

.about-text strong {
  color: #f4fdff;
  font-weight: 900;
}

.about-text a {
  color: #82f3ff;
  border-bottom: 1px dotted rgba(130, 243, 255, 0.72);
}

.about-text a:hover {
  color: #ffcf62;
  border-bottom-color: rgba(255, 207, 98, 0.9);
}

.about-text hr {
  margin: 26px 0;
  border: none;
  border-top: 1px solid rgba(79, 232, 255, 0.38);
}

/* ==============================
   ボタン
============================== */

.about-button-wrap,
.about-back-home {
  position: relative;
  z-index: 1;
  margin-top: 28px;
  text-align: center;
}

.about-button,
.about-back-home-button {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1px solid rgba(120, 220, 255, 0.72);
  background:
    linear-gradient(135deg, rgba(0, 126, 156, 0.82), rgba(0, 58, 86, 0.92));
  color: #f4fdff;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-shadow:
    0 0 8px rgba(0, 220, 255, 0.7),
    0 2px 5px rgba(0, 0, 0, 0.75);
  box-shadow:
    0 0 16px rgba(0, 220, 255, 0.24),
    inset 0 0 16px rgba(255, 255, 255, 0.08);
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    color 0.22s ease;
}

.about-button:hover,
.about-back-home-button:hover {
  transform: translateY(-2px);
  color: #ffcf62;
  border-color: rgba(255, 184, 35, 0.9);
  box-shadow:
    0 0 20px rgba(255, 184, 35, 0.26),
    0 0 28px rgba(0, 220, 255, 0.22),
    inset 0 0 18px rgba(255, 255, 255, 0.08);
}

/* ==============================
   スマホ表示
============================== */

@media screen and (max-width: 760px) {
  .about-page-head {
    padding: 26px 18px;
  }

  .about-panel {
    margin-top: 28px;
    padding: 24px 18px;
  }

  .about-text p {
    font-size: 0.95rem;
    line-height: 1.85;
  }

  .about-text .en {
    font-size: 0.9rem;
  }

  .about-button,
  .about-back-home-button {
    width: min(100%, 300px);
    text-align: center;
  }
}