/* ============================================================
   Lien Dental Clinic — about.css
   当院についてページ(about.html)専用スタイル
   ※ 先に common.css を読み込むこと
   ------------------------------------------------------------
   目次:
     01. Page Hero
     02. Director Message (院長挨拶)
     03. Brand Story (Lien=絆)
     04. Philosophy (診療理念)
     05. Facility (院内設備ギャラリー)
     06. Page CTA
   ============================================================ */


/* ============================================================
   01. Page Hero
   ============================================================ */
.about-hero {
  position: relative;
  padding: clamp(120px, 18vw, 200px) 0 clamp(60px, 9vw, 100px);
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(184, 212, 227, 0.4) 0%, rgba(44, 62, 80, 0.6) 100%),
    url('../images/hero/about-hero.jpg') center/cover;
}

.about-hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.about-hero-eyebrow {
  font-family: var(--font-serif-en);
  font-size: 12px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-weight: 500;
}
.about-hero-eyebrow::before {
  content: "";
  width: 48px;
  height: 1px;
  background: rgba(255, 255, 255, 0.7);
}

.about-hero-title {
  font-family: var(--font-serif-jp);
  font-weight: 500;
  font-size: clamp(28px, 4.6vw, 52px);
  line-height: 1.55;
  letter-spacing: 0.06em;
  color: #fff;
  text-shadow: 0 2px 20px rgba(44, 62, 80, 0.25);
}
.about-hero-title .small-en {
  display: block;
  font-family: var(--font-serif-en);
  font-size: clamp(14px, 1.8vw, 18px);
  letter-spacing: 0.22em;
  font-style: italic;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 20px;
}

.about-hero-sub {
  margin-top: 28px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.92);
  line-height: 2.1;
  max-width: 540px;
  text-shadow: 0 2px 12px rgba(44, 62, 80, 0.18);
}


/* ============================================================
   02. Director Message (院長挨拶)
   ============================================================ */
.director-message {
  padding: var(--space-section) 0;
  background: var(--color-bg-primary);
  overflow: hidden;
}

.director-message-head {
  margin-bottom: 64px;
}

.director-message-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 900px) {
  .director-message-grid {
    grid-template-columns: 1fr 1.5fr;
    gap: 72px;
  }
}

.director-message-visual {
  position: relative;
}
.director-message-img {
  aspect-ratio: 4/5;
  background:
    linear-gradient(135deg, rgba(184, 212, 227, 0.4), rgba(74, 110, 135, 0.25)),
    url('../images/staff/director-portrait.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
}
.director-message-img::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 20px;
  width: calc(100% - 40px);
  height: calc(100% - 40px);
  border: 1px solid rgba(255, 255, 255, 0.45);
  pointer-events: none;
  z-index: 2;
}

.director-cred-badge {
  position: absolute;
  bottom: -24px;
  right: -16px;
  background: #fff;
  padding: 20px 26px;
  max-width: 220px;
  box-shadow: 0 20px 50px rgba(44, 62, 80, 0.1);
  z-index: 3;
}
.director-cred-badge .label {
  font-family: var(--font-serif-en);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--color-primary-main);
  margin-bottom: 8px;
  font-weight: 500;
}
.director-cred-badge .text {
  font-family: var(--font-serif-jp);
  font-size: 13.5px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--color-text-primary);
}

.director-letter {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 2.25;
}
.director-letter p {
  margin-bottom: 1.6em;
}
.director-letter p:last-of-type {
  margin-bottom: 0;
}
.director-letter .first-paragraph::first-letter {
  font-family: var(--font-serif-jp);
  font-size: 3em;
  line-height: 0.95;
  float: left;
  margin: 4px 12px 0 0;
  color: var(--color-primary-dark);
  font-weight: 500;
}

.director-message-sign {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line);
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
}
.director-message-sign .role {
  font-family: var(--font-serif-en);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  font-weight: 500;
}
.director-message-sign .name {
  font-family: var(--font-serif-jp);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
}
.director-message-sign .name-en {
  font-family: var(--font-serif-en);
  font-size: 22px;
  font-style: italic;
  color: var(--color-primary-main);
  font-weight: 500;
}


/* ============================================================
   03. Brand Story (Lien=絆)
   ============================================================ */
.brand-story {
  padding: clamp(100px, 14vw, 160px) 0;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
  text-align: center;
}

/* Decorative giant "Lien" in background */
.brand-story::before {
  content: "Lien";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-serif-en);
  font-size: clamp(180px, 32vw, 380px);
  color: rgba(184, 212, 227, 0.16);
  font-weight: 500;
  font-style: italic;
  pointer-events: none;
  line-height: 1;
  letter-spacing: 0.02em;
  user-select: none;
}

.brand-story-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.brand-story-eyebrow {
  font-family: var(--font-serif-en);
  font-size: 12px;
  letter-spacing: 0.36em;
  color: var(--color-primary-main);
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 32px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
}
.brand-story-eyebrow::before,
.brand-story-eyebrow::after {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--color-primary-main);
}

.brand-quote {
  font-family: var(--font-serif-jp);
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.95;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-primary);
  margin: 0;
}
.brand-quote .accent {
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
}
.brand-quote .accent::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-soft);
}

.brand-story-body {
  margin-top: 44px;
  font-size: 14.5px;
  color: var(--color-text-secondary);
  line-height: 2.2;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.brand-story-body p + p {
  margin-top: 1.5em;
}


/* ============================================================
   04. Philosophy (診療理念)
   ============================================================ */
.philosophy {
  padding: var(--space-section) 0;
  background: var(--color-bg-primary);
}

.philosophy-head {
  margin-bottom: 64px;
  max-width: 760px;
}

.philosophy-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.philosophy-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(24px, 4vw, 56px);
  padding: 36px 0;
  border-bottom: 1px solid var(--color-line-soft);
  align-items: baseline;
}
.philosophy-item:first-child {
  border-top: 1px solid var(--color-line);
}
.philosophy-item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.philosophy-num {
  font-family: var(--font-serif-en);
  font-size: clamp(36px, 4vw, 48px);
  font-style: italic;
  color: var(--color-primary-main);
  font-weight: 500;
  line-height: 1;
  min-width: 60px;
}

.philosophy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 800px) {
  .philosophy-body {
    grid-template-columns: 1fr 1.6fr;
    gap: 56px;
    align-items: baseline;
  }
}

.philosophy-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-primary);
  line-height: 1.55;
}

.philosophy-desc {
  font-size: 13.5px;
  color: var(--color-text-secondary);
  line-height: 2.1;
}


/* ============================================================
   05. Facility (院内設備ギャラリー)
   ============================================================ */
.facility {
  padding: var(--space-section) 0;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;
}
.facility::before {
  content: "FACILITY";
  position: absolute;
  top: clamp(40px, 6vw, 70px);
  right: 0;
  font-family: var(--font-serif-en);
  font-size: clamp(70px, 12vw, 160px);
  letter-spacing: 0.04em;
  color: rgba(184, 212, 227, 0.22);
  font-weight: 500;
  line-height: 1;
  pointer-events: none;
  font-style: italic;
  user-select: none;
}

.facility-head {
  margin-bottom: 56px;
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.facility-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
  z-index: 2;
}
@media (min-width: 700px) {
  .facility-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}
@media (min-width: 1100px) {
  .facility-gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.facility-item {
  background: #fff;
  transition: transform .35s ease, box-shadow .35s ease;
  display: flex;
  flex-direction: column;
}
.facility-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 50px rgba(44, 62, 80, 0.08);
}

.facility-img {
  aspect-ratio: 4/3;
  background-size: cover;
  background-position: center;
  position: relative;
}
.facility-img::after {
  content: attr(data-num);
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-serif-en);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: #fff;
  background: rgba(44, 62, 80, 0.55);
  padding: 5px 10px;
  font-weight: 500;
  backdrop-filter: blur(6px);
  font-style: italic;
}

.facility-body {
  padding: 22px 24px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.facility-tag {
  font-family: var(--font-serif-en);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--color-primary-main);
  font-style: italic;
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.facility-name {
  font-family: var(--font-serif-jp);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.facility-desc {
  font-size: 12.5px;
  color: var(--color-text-secondary);
  line-height: 1.95;
}


/* ============================================================
   06. Page CTA
   ============================================================ */
.page-cta {
  padding: clamp(80px, 12vw, 130px) 0;
  background:
    radial-gradient(ellipse 60% 60% at 20% 80%, rgba(184, 212, 227, 0.35), transparent 70%),
    radial-gradient(ellipse 60% 60% at 85% 20%, rgba(245, 212, 202, 0.25), transparent 70%),
    var(--color-bg-secondary);
  text-align: center;
}

.page-cta-content {
  max-width: 720px;
  margin: 0 auto;
}

.page-cta-eyebrow {
  font-family: var(--font-serif-en);
  font-size: 12px;
  letter-spacing: 0.36em;
  color: var(--color-primary-main);
  margin-bottom: 24px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-transform: uppercase;
}
.page-cta-eyebrow::before,
.page-cta-eyebrow::after {
  content: "";
  width: 40px;
  height: 1px;
  background: var(--color-primary-main);
}

.page-cta-title {
  font-family: var(--font-serif-jp);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.65;
  font-weight: 500;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  color: var(--color-text-primary);
}
.page-cta-title .accent {
  color: var(--color-primary-dark);
  position: relative;
  display: inline-block;
}
.page-cta-title .accent::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent-soft);
}

.page-cta-lead {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 2.1;
  margin-bottom: 40px;
}

.page-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 32px;
}

.page-cta-phone {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 18px 32px;
  background: #fff;
  border: 1px solid var(--color-line);
}
.page-cta-phone .label {
  font-family: var(--font-serif-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
}
.page-cta-phone .num {
  font-family: var(--font-serif-en);
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  font-weight: 500;
}
.page-cta-phone .hours {
  font-size: 11px;
  color: var(--color-text-secondary);
  letter-spacing: 0.04em;
}