/* ════════════════════════════
   Common — 両ページ共通
════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Kiwi+Maru:wght@300;400;500&family=Noto+Serif+JP:wght@300;400&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --cream:  #fffbeb;
  --ink:    #666666;
  --muted:  #aaaaaa;
  --accent: #c8a87a;
  --light:  #ede9e0;
  --paper:  #fdf8f0;
  --hover:  #9e9e9e;
  --font-sans:  'Kiwi Maru', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --header-h: 64px;
  --w-max:  960px;
  --w-text: 680px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--hover); }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; background: none; border: none; }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255,251,235,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--light); }

.site-header-inner {
  max-width: var(--w-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 2.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  transition: opacity 0.2s;
}
.site-logo:hover { opacity: 0.6; }
.site-logo img {
  height: 36px;
  width: auto;
  border-radius: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.site-nav a {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.site-nav a:hover,
.site-nav a.current { color: var(--ink); }
.site-nav .nav-memo svg {
  width: 12px; height: 12px;
  fill: none; stroke: currentColor;
  stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px; height: 1px;
  background: var(--muted);
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 768px) {
  .site-nav { display: none; }
  .hamburger { display: flex; }
}

/* ── Nav Overlay（SP） ── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 2.4rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s;
}
.nav-overlay.open { opacity: 1; pointer-events: all; }

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
  margin-bottom: 3.6rem;
}
.nav-links a {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.24em;
  color: var(--ink);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a .nav-ja {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-top: 0.25rem;
  font-weight: 300;
}

.nav-sns {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  flex-wrap: wrap;
}
.nav-sns a, .nav-memo {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.nav-sns a:hover, .nav-memo:hover { color: var(--ink); }
.nav-memo svg {
  width: 13px; height: 13px;
  fill: none; stroke: currentColor;
  stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round;
}

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--light);
  padding: 1.8rem 0;
}
.site-footer-inner {
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 2.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-menu {
  display: flex;
  gap: 1.6rem;
  align-items: center;
  margin: 0 auto;
}
.footer-menu a, .footer-memo {
  font-size: 0.67rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.footer-menu a:hover, .footer-memo:hover { color: var(--ink); }
.footer-memo svg,
.memo-icon svg {
  width: 12px; height: 12px;
  fill: none; stroke: currentColor;
  stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round;
}
.footer-notice {
  text-align: center;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding: 0.6rem 2.4rem 0;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
}
.footer-copy {
  text-align: center;
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding: 0.3rem 2.4rem 1.2rem;
}

/* ── Placeholder ── */
.placeholder {
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (max-width: 768px) {
  .site-footer-inner { padding: 0 1.4rem; }
}


/* ════════════════════════════
   index only
════════════════════════════ */

#page-index .site-header {
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
#page-index .site-header.scrolled {
  background: rgba(255,251,235,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.index-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  min-height: 100vh;
}

.hero-img-wrap {
  width: 22vw;
  min-width: 160px;
  max-width: 220px;
  height: 22vw;
  min-height: 160px;
  max-height: 220px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 2rem;
  animation: fadeIn 1.4s ease both;
  background: var(--light);
}
.hero-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.hero-name {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  margin-bottom: 0.6rem;
  animation: fadeUp 1.4s cubic-bezier(.22,1,.36,1) 0.2s both;
}
.hero-catch {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  line-height: 2;
  margin-bottom: 3rem;
  animation: fadeUp 1.4s cubic-bezier(.22,1,.36,1) 0.35s both;
}
.hero-rule {
  width: 24px; height: 1px;
  background: var(--accent);
  opacity: 0.5;
  margin: 0 auto 2.6rem;
  animation: fadeIn 1.4s ease 0.5s both;
}

.index-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 3rem;
  animation: fadeUp 1.4s cubic-bezier(.22,1,.36,1) 0.5s both;
}
.index-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 2rem;
  position: relative;
  transition: opacity 0.2s;
}
.index-nav-item:hover { opacity: 0.6; }
.index-nav-item + .index-nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 16px;
  background: var(--light);
}
.nav-en { font-size: 0.78rem; letter-spacing: 0.22em; color: var(--ink); font-weight: 400; }
.nav-ja { font-size: 0.55rem; letter-spacing: 0.12em; color: var(--muted); }

.index-footer-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  animation: fadeIn 1.6s ease 0.7s both;
}
.index-footer-links a {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.index-footer-links a:hover { color: var(--ink); }
.index-footer-links .dot { width: 2px; height: 2px; border-radius: 50%; background: var(--light); }


/* ════════════════════════════
   about only
════════════════════════════ */

.about-main {
  flex: 1;
  padding-top: var(--header-h);
}

.about-hero-wrap {
  display: flex;
  justify-content: center;
  padding: 3rem 2.4rem 0;
}
.about-hero {
  width: 36vw;
  min-width: 180px;
  max-width: 280px;
  height: 36vw;
  min-height: 180px;
  max-height: 280px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  flex-shrink: 0;
}
.about-hero img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }

.about-content {
  max-width: 520px;
  margin: 0 auto;
  padding: 2.8rem 2.4rem 5rem;
  animation: fadeUp 1s cubic-bezier(.22,1,.36,1) 0.1s both;
}

.about-name {
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  margin-bottom: 0.4rem;
  font-family: 'Kiwi Maru', serif;
}
.about-name-sub {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  margin-bottom: 2.4rem;
}

.about-likes { margin-bottom: 2.8rem; }
.about-likes-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-family: 'Noto Sans JP', sans-serif;
  margin-bottom: 0.4rem;
}
.about-likes-text {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  line-height: 1.8;
}

.about-items { margin-bottom: 2.8rem; }
.about-items-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-family: 'Noto Sans JP', sans-serif;
  margin-bottom: 1.2rem;
}
.about-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.9rem 0;
}

.about-item-img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: var(--light);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.48rem;
  letter-spacing: 0.06em;
}
.about-item-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }

.about-item-name {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--ink);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  margin-bottom: 0.25rem;
}
.about-item-text {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  line-height: 1.8;
}

.about-note {
  font-size: 0.82rem;
  line-height: 2.2;
  letter-spacing: 0.07em;
  color: var(--muted);
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
}
