/* eyedoll・YUKI — 藤田医科大学サイト（2025年版）のタイポ・トーンを参考：Inter / Noto Sans JP / Outfit / Shippori Antique、紫系アクセント */
:root {
  --color-primary: #4d438e;
  --color-primary-dark: #3a3268;
  --color-primary-soft: #645da5;
  --color-accent: #c9a227;
  --color-text: #1a1a1a;
  --color-text-muted: #555a60;
  --color-bg: #faf9fc;
  --color-bg-section: #f3f1f8;
  --color-border: #e4e0ec;
  --color-white: #ffffff;
  /* 参考: fujita-hu.ac.jp style-2025.css */
  --font-body: Inter, "Noto Sans JP", "メイリオ", Meiryo, sans-serif;
  --font-ui: Inter, "Noto Sans JP", "メイリオ", Meiryo, sans-serif;
  --font-label: Outfit, system-ui, sans-serif;
  --font-display: "Shippori Antique", "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --radius: 6px;
  --shadow-sm: 0 2px 8px rgba(77, 67, 142, 0.07);
  --shadow-md: 0 12px 40px rgba(77, 67, 142, 0.12);
  --header-h: 72px;
  --maxw: 1200px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --reveal-duration: 1.45s;
  --reveal-ease: cubic-bezier(0.22, 0.82, 0.28, 1);
  --reveal-distance: 40px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: var(--color-primary-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}

a:hover {
  color: var(--color-accent);
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: var(--color-white);
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 249, 252, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s var(--ease-out);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

/* 言語切替 */
.lang-switch {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--color-white);
}

.lang-switch button {
  margin: 0;
  padding: 0.35rem 0.65rem;
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.lang-switch button:hover {
  color: var(--color-primary);
}

.lang-switch button.is-active {
  background: var(--color-primary);
  color: var(--color-white);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-en {
  font-family: var(--font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.brand-ja {
  font-size: 0.95rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  transition: transform 0.25s var(--ease-out), opacity 0.2s;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a.is-active {
  background: rgba(77, 67, 142, 0.08);
  color: var(--color-primary);
}

@media (max-width: 960px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem 1.5rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease-out), opacity 0.3s;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .site-nav a {
    padding: 0.85rem 1rem;
  }
}

/* Hero */
.hero {
  position: relative;
  min-height: min(78vh, 720px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero--sub {
  min-height: min(48vh, 420px);
}

.hero--sub .hero-media img {
  animation: none;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  animation: heroKenburns 18s ease-in-out infinite alternate;
}

@keyframes heroKenburns {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media img {
    animation: none;
  }

  .hero-kicker,
  .hero-title,
  .hero-lead,
  .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .reveal {
    transition-duration: 0.01ms;
    transition-delay: 0s !important;
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(77, 67, 142, 0.9) 0%,
    rgba(77, 67, 142, 0.48) 46%,
    rgba(58, 47, 102, 0.38) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 3rem 1.5rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero .section-label {
  color: rgba(255, 255, 255, 0.88);
}

.hero .section-title {
  color: var(--color-white);
  text-shadow: 0 2px 24px rgba(58, 47, 102, 0.35);
}

.hero-kicker {
  font-family: var(--font-label);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.9;
  margin-bottom: 1rem;
  animation: fadeInUp 1.25s var(--reveal-ease) 0.15s both;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  font-weight: 400;
  line-height: 1.45;
  margin: 0 0 1rem;
  letter-spacing: 0.08em;
  animation: fadeInUp 1.25s var(--reveal-ease) 0.35s both;
}

.hero-lead {
  max-width: 36rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.95;
  margin: 0;
  text-align: center;
  animation: fadeInUp 1.25s var(--reveal-ease) 0.55s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(var(--reveal-distance));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Section shell */
.section {
  padding: 4.5rem 1.5rem;
}

.section.alt {
  background: var(--color-bg-section);
}

.section-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.section-head {
  margin-bottom: 2.5rem;
}

.section-label {
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.85rem);
  font-weight: 400;
  margin: 0;
  letter-spacing: 0.06em;
}

.section-desc {
  margin: 0.75rem 0 0;
  color: var(--color-text-muted);
  max-width: 42rem;
}

/* Cards grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  transition: transform 0.35s var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: none;
}

.card-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bg-section);
  border-radius: var(--radius);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.card:hover .card-media img {
  transform: scale(1.05);
}

.card-body {
  padding: 1.35rem 0 0.25rem;
}

.card-label {
  font-family: var(--font-label);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary-soft);
  margin: 0 0 0.35rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 400;
  margin: 0 0 0.5rem;
  letter-spacing: 0.04em;
}

.card-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1rem;
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
}

.card-link::after {
  content: "→";
  transition: transform 0.25s var(--ease-out);
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* Statement / prose */
.prose-block {
  max-width: 42rem;
}

.prose-block p {
  margin: 0 0 1.25rem;
  color: var(--color-text-muted);
}

.prose-block p:last-child {
  margin-bottom: 0;
}

.signature {
  margin-top: 2rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Notice */
.notice {
  border: none;
  background: transparent;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  max-width: 42rem;
}

.notice h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.04em;
}

.notice p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* Timeline (profile) */
.timeline {
  border-top: 1px solid var(--color-border);
}

.timeline-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .timeline-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

.timeline-year {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  letter-spacing: 0.02em;
}

.timeline-body {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.timeline-body a {
  font-weight: 500;
}

/* Profile layout */
.profile-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 800px) {
  .profile-layout {
    grid-template-columns: 1fr;
  }
}

.profile-photo {
  border-radius: var(--radius);
  overflow: hidden;
  border: none;
  box-shadow: none;
}

.profile-photo img {
  display: block;
  width: 100%;
}

/* Two columns */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .split {
    grid-template-columns: 1fr;
  }
}

/* Access */
.info-table {
  width: 100%;
  border-collapse: collapse;
  background: transparent;
  border-radius: 0;
  overflow: visible;
  border: none;
  box-shadow: none;
}

.info-table th,
.info-table td {
  padding: 1rem 1.25rem 1rem 0;
  text-align: left;
  border-bottom: 1px solid rgba(77, 67, 142, 0.12);
  vertical-align: top;
}

.info-table th {
  width: 28%;
  background: transparent;
  font-family: var(--font-ui);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.875rem;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: none;
}

.gallery-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.gallery-duo img {
  border-radius: var(--radius);
  width: 100%;
  height: auto;
  object-fit: cover;
  border: none;
}

/* Blog list */
.blog-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.blog-item {
  border-bottom: 1px solid rgba(77, 67, 142, 0.12);
  padding: 1.25rem 0;
}

.blog-item:first-child {
  padding-top: 0;
}

.blog-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.blog-item a.title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  color: var(--color-text);
}

.blog-item a.title:hover {
  color: var(--color-primary);
}

/* Footer */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 2rem;
  padding: 3rem 1.5rem 2rem;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
}

@media (max-width: 640px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

.footer-brand {
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-white);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.875rem;
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-copy {
  font-size: 0.8rem;
  opacity: 0.65;
  margin: 1.5rem 0 0;
  grid-column: 1 / -1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  font-family: var(--font-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background: transparent;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, transform 0.2s;
  margin-top: 1.5rem;
}

.btn:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn-dark {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-dark:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  animation: fadeInUp 1.25s var(--reveal-ease) 0.75s both;
}

/* 予約カレンダー */
.reservation-calendar {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
  padding: 0.5rem 0 0;
  max-width: 420px;
  margin: 0 auto;
}

.reservation-calendar__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.reservation-calendar__toolbar-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: none;
  background: var(--color-bg-section);
  color: var(--color-primary);
  cursor: pointer;
  font-size: 1.15rem;
  line-height: 1;
  padding: 0;
  transition: background 0.2s, color 0.2s;
}

.reservation-calendar__toolbar-btn:hover {
  background: rgba(77, 67, 142, 0.12);
  border-color: transparent;
}

.reservation-calendar__month {
  flex: 1;
  text-align: center;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
}

.reservation-calendar__weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.35rem;
  font-family: var(--font-label);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  text-align: center;
}

.reservation-calendar__grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.reservation-calendar__day {
  aspect-ratio: 1;
  max-height: 44px;
  border: none;
  border-radius: var(--radius);
  background: rgba(77, 67, 142, 0.06);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  padding: 0;
}

.reservation-calendar__day:hover:not(:disabled) {
  background: rgba(77, 67, 142, 0.14);
}

.reservation-calendar__day.is-outside {
  opacity: 0.28;
  cursor: default;
}

.reservation-calendar__day.is-weekday-pm {
  background: rgba(77, 67, 142, 0.1);
}

.reservation-calendar__day.is-today {
  box-shadow: inset 0 0 0 1px var(--color-primary-soft);
}

.reservation-calendar__day.is-selected {
  background: rgba(77, 67, 142, 0.22);
  color: var(--color-primary-dark);
}

.reservation-calendar__day:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.reservation-calendar__hint {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.reservation-calendar__selection {
  margin-top: 1rem;
  padding: 1rem 0 0;
  border-radius: 0;
  background: transparent;
  border: none;
  border-top: 1px solid rgba(77, 67, 142, 0.15);
  font-size: 0.9rem;
}

.reservation-calendar__selection strong {
  color: var(--color-primary);
}

.reservation-calendar__call {
  display: inline-flex;
  margin-top: 0.65rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.875rem;
}

.reservation-calendar__call:hover {
  opacity: 0.92;
  color: var(--color-white) !important;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(var(--reveal-distance));
  transition: opacity var(--reveal-duration) var(--reveal-ease),
    transform var(--reveal-duration) var(--reveal-ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.card-grid > .card.reveal:nth-child(1) {
  transition-delay: 0s;
}

.card-grid > .card.reveal:nth-child(2) {
  transition-delay: 0.14s;
}

.card-grid > .card.reveal:nth-child(3) {
  transition-delay: 0.28s;
}

/* Page top */
.page-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.25s;
  box-shadow: var(--shadow-md);
  z-index: 50;
}

.page-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.page-top:hover {
  transform: translateY(-3px);
}

/* 旧 .page-hero は .hero.hero--sub に移行 */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 3.5rem 1.5rem 2.75rem;
}

.page-hero-inner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-hero .section-label {
  color: rgba(255, 255, 255, 0.85);
}

.page-hero .section-title {
  font-family: var(--font-display);
  color: var(--color-white);
  font-size: clamp(1.55rem, 3vw, 2.05rem);
  font-weight: 400;
  letter-spacing: 0.07em;
}

/* Utility */
.mt-lg {
  margin-top: 3rem;
}

.text-center {
  text-align: center;
}