@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Zen+Old+Mincho:wght@400;500;600;700&family=Zen+Kaku+Gothic+New:wght@300;400;500;700&display=swap');

:root {
  --sora-deep: #16324a;      /* 深い夜空・海の色 */
  --sora-mid: #3f6b8a;       /* 昼の空 */
  --sora-light: #a9c9d6;     /* 水平線の淡い空 */
  --umi-deep: #0e2433;       /* 深海 */
  --sand: #f3ede1;           /* 砂・和紙色 */
  --gold: #b08d57;           /* 金・アクセント */
  --ink: #1c2126;
  --ink-soft: #4a5158;
  --font-jp: 'Zen Old Mincho', serif;
  --font-jp-sans: 'Zen Kaku Gothic New', sans-serif;
  --font-en: 'Cormorant Garamond', serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp-sans);
  color: var(--ink);
  background: var(--sand);
  -webkit-font-smoothing: antialiased;
}

.jp-serif { font-family: var(--font-jp); }
.en-serif { font-family: var(--font-en); }

a { color: inherit; }
a:hover { color: var(--gold); }

::selection { background: var(--sora-mid); color: #fff; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s cubic-bezier(0.19, 1, 0.22, 1), transform 1s cubic-bezier(0.19, 1, 0.22, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .parallax-layer { transform: none !important; }
}

/* ---------- Navbar ---------- */
.navbar-kamikura {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  padding: 1.4rem 0;
  background: transparent;
  transition: background 0.5s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
.navbar-kamikura.is-scrolled {
  background: rgba(243, 237, 225, 0.92);
  backdrop-filter: blur(8px);
  padding: 0.75rem 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}
.navbar-kamikura .navbar-brand {
  font-family: var(--font-jp);
  font-size: 1.15rem;
  letter-spacing: 0.08em;
  color: #fff;
  transition: color 0.4s ease;
}
.navbar-kamikura.is-scrolled .navbar-brand { color: var(--ink); }

.navbar-kamikura .nav-link {
  font-family: var(--font-en);
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  color: #fff;
  padding: 0.4rem 1rem !important;
  transition: color 0.4s ease, opacity 0.2s ease;
}
.navbar-kamikura.is-scrolled .nav-link { color: var(--ink); }
.navbar-kamikura .nav-link:hover { opacity: 0.7; }

.navbar-kamikura .lang-switch {
  font-family: var(--font-en);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 999px;
  padding: 0.25rem 0.9rem;
  transition: all 0.4s ease;
}
.navbar-kamikura.is-scrolled .lang-switch {
  color: var(--ink);
  border-color: rgba(28, 33, 38, 0.35);
}
.navbar-kamikura .lang-switch:hover {
  background: #fff;
  color: var(--ink) !important;
}

.navbar-kamikura .navbar-toggler {
  border: none;
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  padding: 0.2rem 0.4rem;
}
.navbar-kamikura .navbar-toggler:focus { box-shadow: none; }

/* ---------- Hero (sky -> sea parallax) ---------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-photo-note {
  position: absolute;
  inset: -6% -3%;
  background-size: cover;
  background-position: center 30%;
  will-change: transform;
}

/* 和洋折衷のカラーグレード:琥珀の照明を活かしつつ、深い藍色のトーンを重ねる */
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14, 26, 38, 0.25) 0%, rgba(14, 26, 38, 0.55) 78%, rgba(14, 26, 38, 0.72) 100%),
    linear-gradient(100deg, rgba(22, 50, 74, 0.35), rgba(22, 50, 74, 0) 55%);
  mix-blend-mode: multiply;
}

.hero-veil::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(176, 141, 87, 0.06), rgba(176, 141, 87, 0) 40%);
}

.hero-horizon { display: none; }

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 1.5rem;
}

.hero-content .eyebrow {
  display: block;
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.4em;
  margin-bottom: 1.25rem;
  opacity: 0.9;
}

.hero-content h1 {
  font-family: var(--font-jp);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin: 0 0 1rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

.hero-content .tagline {
  font-family: var(--font-en);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  letter-spacing: 0.08em;
  font-style: italic;
  opacity: 0.95;
}

.scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.3em;
  opacity: 0.85;
}
.scroll-cue .line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.7);
  animation: scrollcue 2s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.001% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Section framing ---------- */
.section { padding: 7rem 0; }
.section-sand { background: var(--sand); }
.section-deep {
  background: var(--sora-deep);
  color: #fff;
}
.section-head {
  text-align: center;
  margin-bottom: 3.5rem;
}
.section-head .eyebrow {
  font-family: var(--font-en);
  font-size: 1rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  display: block;
  margin-bottom: 0.6rem;
}
.section-head h2 {
  font-family: var(--font-jp);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: 0.06em;
  margin: 0;
}
.section-head .rule {
  width: 56px;
  height: 2px;
  background: var(--gold);
  margin: 1.4rem auto 0;
}

/* ---------- Statement (poetic intro) ---------- */
.statement {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-jp);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 2.1;
  letter-spacing: 0.04em;
}

/* ---------- Information ---------- */
.info-list { max-width: 760px; margin: 0 auto; }
.info-item {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(28, 33, 38, 0.12);
  transition: opacity 0.2s ease, padding-left 0.3s ease;
}
.info-item:hover { opacity: 0.65; padding-left: 0.4rem; }
.info-date {
  flex: none;
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--ink-soft);
  width: 7rem;
}
.info-title { font-size: 0.98rem; }

/* ---------- Activity cards ---------- */
.activity-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  height: 320px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(160deg, var(--sora-mid), var(--umi-deep));
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.activity-card:hover { transform: translateY(-4px); }
.activity-card .overlay {
  position: relative;
  z-index: 1;
  padding: 1.5rem;
  color: #fff;
  width: 100%;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.55) 0%, rgba(0, 0, 0, 0) 60%);
}
.activity-card .overlay .date { font-family: var(--font-en); font-size: 0.85rem; letter-spacing: 0.1em; opacity: 0.85; }
.activity-card .overlay h3 { font-family: var(--font-jp); font-size: 1.15rem; margin: 0.3rem 0 0; }
.activity-card:hover { box-shadow: 0 18px 40px rgba(22, 50, 74, 0.25); }
.activity-card:hover .overlay { background: linear-gradient(0deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.1) 70%); }

/* ---------- Biography ---------- */
.bio-photo-frame {
  position: relative;
  height: 100%;
  min-height: 420px;
  border-radius: 4px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--sora-light), var(--sora-deep));
  background-size: cover;
  background-position: center 20%;
}
.bio-photo-frame::after {
  content: '';
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  pointer-events: none;
}
.bio-name-jp { font-family: var(--font-jp); font-size: 2.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.bio-name-en { font-family: var(--font-en); font-size: 1.3rem; color: var(--ink-soft); font-style: italic; margin-bottom: 1.5rem; }
.bio-desc { font-size: 0.98rem; line-height: 1.95; }
.btn-kamikura {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-family: var(--font-en);
  letter-spacing: 0.12em;
  border-radius: 999px;
  padding: 0.7rem 1.8rem;
  margin-top: 1.5rem;
  transition: background 0.25s ease, color 0.25s ease;
}
.btn-kamikura:hover { background: var(--gold); color: #fff; }

/* ---------- Gallery (nature placeholder) ---------- */
.gallery-tile {
  aspect-ratio: 4 / 5;
  border-radius: 4px;
  background-color: var(--sora-mid);
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}
.gallery-tile:hover { transform: scale(1.03); }
.gallery-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(14, 26, 38, 0.55) 0%, rgba(14, 26, 38, 0) 55%);
}
.gallery-tile .tag {
  position: absolute;
  left: 0.9rem;
  bottom: 0.9rem;
  z-index: 1;
  color: #fff;
  font-family: var(--font-en);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  opacity: 0.9;
}

/* ---------- Contact ---------- */
.contact-form { max-width: 640px; margin: 0 auto; }
.contact-form .form-label {
  font-family: var(--font-jp-sans);
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.contact-form .form-control {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #fff;
  border-radius: 4px;
  padding: 0.85rem 1rem;
}
.contact-form .form-control::placeholder { color: rgba(255, 255, 255, 0.45); }
.contact-form .form-control:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--gold);
  color: #fff;
  box-shadow: none;
}
.contact-form .btn-submit {
  background: var(--gold);
  border: none;
  color: #fff;
  font-family: var(--font-en);
  letter-spacing: 0.15em;
  padding: 0.9rem 2.4rem;
  border-radius: 999px;
  transition: background 0.25s ease;
}
.contact-form .btn-submit:hover { background: #cda86e; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--umi-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 3.5rem 0 2rem;
}
.site-footer .footer-name { font-family: var(--font-jp); font-size: 1.3rem; color: #fff; }
.site-footer a.social { color: #fff; font-size: 1.3rem; }
.site-footer a.social:hover { color: var(--gold); }
.site-footer .footer-nav a { font-family: var(--font-en); letter-spacing: 0.1em; font-size: 0.95rem; }
.site-footer hr { border-color: rgba(255, 255, 255, 0.15); }
.site-footer .copyright { font-size: 0.8rem; }

/* ---------- Inner page hero (bio etc.) ---------- */
.page-hero {
  padding: 9rem 1.5rem 4rem;
  text-align: center;
  background: linear-gradient(160deg, var(--sora-light), var(--sora-deep));
  color: #fff;
}
.page-hero h1 { font-family: var(--font-jp); font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 0.5rem; }
.page-hero .eyebrow { font-family: var(--font-en); letter-spacing: 0.3em; opacity: 0.85; }

@media (max-width: 991.98px) {
  .section { padding: 5rem 0; }
  .navbar-kamikura .navbar-collapse {
    background: rgba(22, 50, 74, 0.96);
    margin-top: 1rem;
    border-radius: 8px;
    padding: 1rem 1.5rem;
  }
  .navbar-kamikura.is-scrolled .navbar-collapse { background: rgba(22, 50, 74, 0.98); }
  .navbar-kamikura .nav-link { color: #fff !important; }
}